Merging upstream version 1.29.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1515 insertions, 1186 deletions

diff --git a/health/notifications/alarm-notify.sh.in b/health/notifications/alarm-notify.sh.in
index 0f435083..456e20cc 100755
--- a/health/notifications/alarm-notify.sh.in
+++ b/health/notifications/alarm-notify.sh.in
@@ -35,40 +35,43 @@
 #  - Microsoft Team notification by @tioumen
 #  - RocketChat notifications by @Hermsi1337 #3777
 #  - Google Hangouts Chat notifications by @EnzoAkira and @hendrikhofstadt
+#  - Dynatrace Event by @illumine
+#  - Stackpulse Event by @thiagoftsm
+#  - Opsgenie by @thiaoftsm #9858
 
 # -----------------------------------------------------------------------------
 # testing notifications
 
 if { [ "${1}" = "test" ] || [ "${2}" = "test" ]; } && [ "${#}" -le 2 ]; then
-	if [ "${2}" = "test" ]; then
-		recipient="${1}"
-	else
-		recipient="${2}"
-	fi
-
-	[ -z "${recipient}" ] && recipient="sysadmin"
-
-	id=1
-	last="CLEAR"
-	test_res=0
-	for x in "WARNING" "CRITICAL" "CLEAR"; do
-		echo >&2
-		echo >&2 "# SENDING TEST ${x} ALARM TO ROLE: ${recipient}"
-
-		"${0}" "${recipient}" "$(hostname)" 1 1 "${id}" "$(date +%s)" "test_alarm" "test.chart" "test.family" "${x}" "${last}" 100 90 "${0}" 1 $((0 + id)) "units" "this is a test alarm to verify notifications work" "new value" "old value" "evaluated expression" "expression variable values" 0 0
-		#shellcheck disable=SC2181
-		if [ $? -ne 0 ]; then
-			echo >&2 "# FAILED"
-			test_res=1
-		else
-			echo >&2 "# OK"
-		fi
-
-		last="${x}"
-		id=$((id + 1))
-	done
-
-	exit $test_res
+  if [ "${2}" = "test" ]; then
+    recipient="${1}"
+  else
+    recipient="${2}"
+  fi
+
+  [ -z "${recipient}" ] && recipient="sysadmin"
+
+  id=1
+  last="CLEAR"
+  test_res=0
+  for x in "WARNING" "CRITICAL" "CLEAR"; do
+    echo >&2
+    echo >&2 "# SENDING TEST ${x} ALARM TO ROLE: ${recipient}"
+
+    "${0}" "${recipient}" "$(hostname)" 1 1 "${id}" "$(date +%s)" "test_alarm" "test.chart" "test.family" "${x}" "${last}" 100 90 "${0}" 1 $((0 + id)) "units" "this is a test alarm to verify notifications work" "new value" "old value" "evaluated expression" "expression variable values" 0 0
+    #shellcheck disable=SC2181
+    if [ $? -ne 0 ]; then
+      echo >&2 "# FAILED"
+      test_res=1
+    else
+      echo >&2 "# OK"
+    fi
+
+    last="${x}"
+    id=$((id + 1))
+  done
+
+  exit $test_res
 fi
 
 export PATH="${PATH}:/sbin:/usr/sbin:/usr/local/sbin"
@@ -79,67 +82,67 @@ export LC_ALL=C
 PROGRAM_NAME="$(basename "${0}")"
 
 logdate() {
-	date "+%Y-%m-%d %H:%M:%S"
+  date "+%Y-%m-%d %H:%M:%S"
 }
 
 log() {
-	local status="${1}"
-	shift
+  local status="${1}"
+  shift
 
-	echo >&2 "$(logdate): ${PROGRAM_NAME}: ${status}: ${*}"
+  echo >&2 "$(logdate): ${PROGRAM_NAME}: ${status}: ${*}"
 
 }
 
 warning() {
-	log WARNING "${@}"
+  log WARNING "${@}"
 }
 
 error() {
-	log ERROR "${@}"
+  log ERROR "${@}"
 }
 
 info() {
-	log INFO "${@}"
+  log INFO "${@}"
 }
 
 fatal() {
-	log FATAL "${@}"
-	exit 1
+  log FATAL "${@}"
+  exit 1
 }
 
 debug=${NETDATA_ALARM_NOTIFY_DEBUG-0}
 debug() {
-	[ "${debug}" = "1" ] && log DEBUG "${@}"
+  [ "${debug}" = "1" ] && log DEBUG "${@}"
 }
 
 docurl() {
-	if [ -z "${curl}" ]; then
-		error "${curl} is unset."
-		return 1
-	fi
-
-	if [ "${debug}" = "1" ]; then
-		echo >&2 "--- BEGIN curl command ---"
-		printf >&2 "%q " ${curl} "${@}"
-		echo >&2
-		echo >&2 "--- END curl command ---"
-
-		local out code ret
-		out=$(mktemp /tmp/netdata-health-alarm-notify-XXXXXXXX)
-		code=$(${curl} ${curl_options} --write-out "%{http_code}" --output "${out}" --silent --show-error "${@}")
-		ret=$?
-		echo >&2 "--- BEGIN received response ---"
-		cat >&2 "${out}"
-		echo >&2
-		echo >&2 "--- END received response ---"
-		echo >&2 "RECEIVED HTTP RESPONSE CODE: ${code}"
-		rm "${out}"
-		echo "${code}"
-		return ${ret}
-	fi
-
-	${curl} ${curl_options} --write-out "%{http_code}" --output /dev/null --silent --show-error "${@}"
-	return $?
+  if [ -z "${curl}" ]; then
+    error "${curl} is unset."
+    return 1
+  fi
+
+  if [ "${debug}" = "1" ]; then
+    echo >&2 "--- BEGIN curl command ---"
+    printf >&2 "%q " ${curl} "${@}"
+    echo >&2
+    echo >&2 "--- END curl command ---"
+
+    local out code ret
+    out=$(mktemp /tmp/netdata-health-alarm-notify-XXXXXXXX)
+    code=$(${curl} ${curl_options} --write-out "%{http_code}" --output "${out}" --silent --show-error "${@}")
+    ret=$?
+    echo >&2 "--- BEGIN received response ---"
+    cat >&2 "${out}"
+    echo >&2
+    echo >&2 "--- END received response ---"
+    echo >&2 "RECEIVED HTTP RESPONSE CODE: ${code}"
+    rm "${out}"
+    echo "${code}"
+    return ${ret}
+  fi
+
+  ${curl} ${curl_options} --write-out "%{http_code}" --output /dev/null --silent --show-error "${@}"
+  return $?
 }
 
 # -----------------------------------------------------------------------------
@@ -170,20 +173,22 @@ awssns
 rocketchat
 sms
 hangouts
+dynatrace
+matrix
 "
 
 # -----------------------------------------------------------------------------
 # this is to be overwritten by the config file
 
 custom_sender() {
-	info "not sending custom notification for ${status} of '${host}.${chart}.${name}'"
+  info "not sending custom notification for ${status} of '${host}.${chart}.${name}'"
 }
 
 # -----------------------------------------------------------------------------
 
 # check for BASH v4+ (required for associative arrays)
 if [ ${BASH_VERSINFO[0]} -lt 4 ]; then
-	fatal "BASH version 4 or later is required (this is ${BASH_VERSION})."
+  fatal "BASH version 4 or later is required (this is ${BASH_VERSION})."
 fi
 
 # -----------------------------------------------------------------------------
@@ -193,55 +198,55 @@ fi
 [ -z "${NETDATA_STOCK_CONFIG_DIR}" ] && NETDATA_STOCK_CONFIG_DIR="@libconfigdir_POST@"
 [ -z "${NETDATA_CACHE_DIR}" ] && NETDATA_CACHE_DIR="@cachedir_POST@"
 [ -z "${NETDATA_REGISTRY_URL}" ] && NETDATA_REGISTRY_URL="https://registry.my-netdata.io"
-[ -z "${NETDATA_REGISTRY_CLOUD_BASE_URL}" ] && NETDATA_REGISTRY_CLOUD_BASE_URL="https://netdata.cloud"
+[ -z "${NETDATA_REGISTRY_CLOUD_BASE_URL}" ] && NETDATA_REGISTRY_CLOUD_BASE_URL="https://app.netdata.cloud"
 
 # -----------------------------------------------------------------------------
 # parse command line parameters
 
 if [[ ${1} = "unittest" ]]; then
-	unittest=1        # enable unit testing mode
-	roles="${2}"      # the role that should be used for unit testing
-	cfgfile="${3}"    # the location of the config file to use for unit testing
-	status="${4}"     # the current status : REMOVED, UNINITIALIZED, UNDEFINED, CLEAR, WARNING, CRITICAL
-	old_status="${5}" # the previous status: REMOVED, UNINITIALIZED, UNDEFINED, CLEAR, WARNING, CRITICAL
+  unittest=1        # enable unit testing mode
+  roles="${2}"      # the role that should be used for unit testing
+  cfgfile="${3}"    # the location of the config file to use for unit testing
+  status="${4}"     # the current status : REMOVED, UNINITIALIZED, UNDEFINED, CLEAR, WARNING, CRITICAL
+  old_status="${5}" # the previous status: REMOVED, UNINITIALIZED, UNDEFINED, CLEAR, WARNING, CRITICAL
 else
-	roles="${1}"               # the roles that should be notified for this event
-	args_host="${2}"           # the host generated this event
-	unique_id="${3}"           # the unique id of this event
-	alarm_id="${4}"            # the unique id of the alarm that generated this event
-	event_id="${5}"            # the incremental id of the event, for this alarm id
-	when="${6}"                # the timestamp this event occurred
-	name="${7}"                # the name of the alarm, as given in netdata health.d entries
-	chart="${8}"               # the name of the chart (type.id)
-	family="${9}"              # the family of the chart
-	status="${10}"             # the current status : REMOVED, UNINITIALIZED, UNDEFINED, CLEAR, WARNING, CRITICAL
-	old_status="${11}"         # the previous status: REMOVED, UNINITIALIZED, UNDEFINED, CLEAR, WARNING, CRITICAL
-	value="${12}"              # the current value of the alarm
-	old_value="${13}"          # the previous value of the alarm
-	src="${14}"                # the line number and file the alarm has been configured
-	duration="${15}"           # the duration in seconds of the previous alarm state
-	non_clear_duration="${16}" # the total duration in seconds this is/was non-clear
-	units="${17}"              # the units of the value
-	info="${18}"               # a short description of the alarm
-	value_string="${19}"       # friendly value (with units)
-	# shellcheck disable=SC2034
-	# variable is unused, but https://github.com/netdata/netdata/pull/5164#discussion_r255572947
-	old_value_string="${20}"   # friendly old value (with units), previously named "old_value_string"
-	calc_expression="${21}"    # contains the expression that was evaluated to trigger the alarm
-	calc_param_values="${22}"  # the values of the parameters in the expression, at the time of the evaluation
-	total_warnings="${23}"     # Total number of alarms in WARNING state
-	total_critical="${24}"     # Total number of alarms in CRITICAL state
+  roles="${1}"               # the roles that should be notified for this event
+  args_host="${2}"           # the host generated this event
+  unique_id="${3}"           # the unique id of this event
+  alarm_id="${4}"            # the unique id of the alarm that generated this event
+  event_id="${5}"            # the incremental id of the event, for this alarm id
+  when="${6}"                # the timestamp this event occurred
+  name="${7}"                # the name of the alarm, as given in netdata health.d entries
+  chart="${8}"               # the name of the chart (type.id)
+  family="${9}"              # the family of the chart
+  status="${10}"             # the current status : REMOVED, UNINITIALIZED, UNDEFINED, CLEAR, WARNING, CRITICAL
+  old_status="${11}"         # the previous status: REMOVED, UNINITIALIZED, UNDEFINED, CLEAR, WARNING, CRITICAL
+  value="${12}"              # the current value of the alarm
+  old_value="${13}"          # the previous value of the alarm
+  src="${14}"                # the line number and file the alarm has been configured
+  duration="${15}"           # the duration in seconds of the previous alarm state
+  non_clear_duration="${16}" # the total duration in seconds this is/was non-clear
+  units="${17}"              # the units of the value
+  info="${18}"               # a short description of the alarm
+  value_string="${19}"       # friendly value (with units)
+  # shellcheck disable=SC2034
+  # variable is unused, but https://github.com/netdata/netdata/pull/5164#discussion_r255572947
+  old_value_string="${20}"   # friendly old value (with units), previously named "old_value_string"
+  calc_expression="${21}"    # contains the expression that was evaluated to trigger the alarm
+  calc_param_values="${22}"  # the values of the parameters in the expression, at the time of the evaluation
+  total_warnings="${23}"     # Total number of alarms in WARNING state
+  total_critical="${24}"     # Total number of alarms in CRITICAL state
 fi
 
 # -----------------------------------------------------------------------------
 # find a suitable hostname to use, if netdata did not supply a hostname
 
 if [ -z ${args_host} ]; then
-	this_host=$(hostname -s 2>/dev/null)
-	host="${this_host}"
-	args_host="${this_host}"
+  this_host=$(hostname -s 2>/dev/null)
+  host="${this_host}"
+  args_host="${this_host}"
 else
-	host="${args_host}"
+  host="${args_host}"
 fi
 
 # -----------------------------------------------------------------------------
@@ -249,14 +254,14 @@ fi
 
 # don't do anything if this is not WARNING, CRITICAL or CLEAR
 if [ "${status}" != "WARNING" ] && [ "${status}" != "CRITICAL" ] && [ "${status}" != "CLEAR" ]; then
-	info "not sending notification for ${status} of '${host}.${chart}.${name}'"
-	exit 1
+  info "not sending notification for ${status} of '${host}.${chart}.${name}'"
+  exit 1
 fi
 
 # don't do anything if this is CLEAR, but it was not WARNING or CRITICAL
 if [ "${clear_alarm_always}" != "YES" ] && [ "${old_status}" != "WARNING" ] && [ "${old_status}" != "CRITICAL" ] && [ "${status}" = "CLEAR" ]; then
-	info "not sending notification for ${status} of '${host}.${chart}.${name}' (last status was ${old_status})"
-	exit 1
+  info "not sending notification for ${status} of '${host}.${chart}.${name}' (last status was ${old_status})"
+  exit 1
 fi
 
 # -----------------------------------------------------------------------------
@@ -281,12 +286,12 @@ sendmail=
 
 # enable / disable features
 for method_name in ${method_names^^}; do
-	declare SEND_${method_name}="YES"
-	declare DEFAULT_RECIPIENT_${method_name}
+  declare SEND_${method_name}="YES"
+  declare DEFAULT_RECIPIENT_${method_name}
 done
 
 for method_name in ${method_names}; do
-	declare -A role_recipients_${method_name}
+  declare -A role_recipients_${method_name}
 done
 
 # slack configs
@@ -342,6 +347,7 @@ KAFKA_SENDER_IP=
 
 # pagerduty.com configs
 PD_SERVICE_KEY=
+USE_PD_VERSION=
 
 # fleep.io configs
 FLEEP_SENDER="${host}"
@@ -349,6 +355,10 @@ FLEEP_SENDER="${host}"
 # Amazon SNS configs
 AWSSNS_MESSAGE_FORMAT=
 
+# Matrix configs
+MATRIX_HOMESERVER=
+MATRIX_ACCESSTOKEN=
+
 # syslog configs
 SYSLOG_FACILITY=
 
@@ -365,92 +375,108 @@ IRC_NETWORK=
 
 # hangouts configs
 declare -A HANGOUTS_WEBHOOK_URI
+declare -A HANGOUTS_WEBHOOK_THREAD
+
+# dynatrace configs
+DYNATRACE_SPACE=
+DYNATRACE_SERVER=
+DYNATRACE_TOKEN=
+DYNATRACE_TAG_VALUE=
+DYNATRACE_ANNOTATION_TYPE=
+DYNATRACE_EVENT=
+SEND_DYNATRACE=
+
+# stackpulse configs
+STACKPULSE_WEBHOOK=
+
+# opsgenie configs
+OPSGENIE_API_KEY=
 
 # load the stock and user configuration files
 # these will overwrite the variables above
 
 if [ ${unittest} ]; then
-	if source "${cfgfile}"; then
-		error "Failed to load requested config file."
-		exit 1
-	fi
+  if source "${cfgfile}"; then
+    error "Failed to load requested config file."
+    exit 1
+  fi
 else
-	for CONFIG in "${NETDATA_STOCK_CONFIG_DIR}/health_alarm_notify.conf" "${NETDATA_USER_CONFIG_DIR}/health_alarm_notify.conf"; do
-		if [ -f "${CONFIG}" ]; then
-			debug "Loading config file '${CONFIG}'..."
-			source "${CONFIG}" || error "Failed to load config file '${CONFIG}'."
-		else
-			warning "Cannot find file '${CONFIG}'."
-		fi
-	done
+  for CONFIG in "${NETDATA_STOCK_CONFIG_DIR}/health_alarm_notify.conf" "${NETDATA_USER_CONFIG_DIR}/health_alarm_notify.conf"; do
+    if [ -f "${CONFIG}" ]; then
+      debug "Loading config file '${CONFIG}'..."
+      source "${CONFIG}" || error "Failed to load config file '${CONFIG}'."
+    else
+      warning "Cannot find file '${CONFIG}'."
+    fi
+  done
 fi
 
 # If we didn't autodetect the character set for e-mail and it wasn't
 # set by the user, we need to set it to a reasonable default.  UTF-8
 # should be correct for almost all modern UNIX systems.
 if [ -z ${EMAIL_CHARSET} ]; then
-	EMAIL_CHARSET="UTF-8"
+  EMAIL_CHARSET="UTF-8"
 fi
 
 # If we've been asked to use FQDN's for the URL's in the alarm, do so,
-# unless we're sending an alarm for a slave system which we can't get the
+# unless we're sending an alarm for a child system which we can't get the
 # FQDN of easily.
 if [ "${use_fqdn}" = "YES" ] && [ "${host}" = "$(hostname -s 2>/dev/null)" ]; then
-	host="$(hostname -f 2>/dev/null)"
+  host="$(hostname -f 2>/dev/null)"
 fi
 
 # -----------------------------------------------------------------------------
 # filter a recipient based on alarm event severity
 
 filter_recipient_by_criticality() {
-	local method="${1}" x="${2}" r s
-	shift
-
-	r="${x/|*/}" # the recipient
-	s="${x/*|/}" # the severity required for notifying this recipient
-
-	# no severity filtering for this person
-	[ "${r}" = "${s}" ] && return 0
-
-	# the severity is invalid
-	s="${s^^}"
-	if [ "${s}" != "CRITICAL" ]; then
-		error "SEVERITY FILTERING for ${x} VIA ${method}: invalid severity '${s,,}', only 'critical' is supported."
-		return 0
-	fi
-
-	# create the status tracking directory for this user
-	[ ! -d "${NETDATA_CACHE_DIR}/alarm-notify/${method}/${r}" ] &&
-		mkdir -p "${NETDATA_CACHE_DIR}/alarm-notify/${method}/${r}"
-
-	case "${status}" in
-	CRITICAL)
-		# make sure he will get future notifications for this alarm too
-		touch "${NETDATA_CACHE_DIR}/alarm-notify/${method}/${r}/${alarm_id}"
-		debug "SEVERITY FILTERING for ${x} VIA ${method}: ALLOW: the alarm is CRITICAL (will now receive next status change)"
-		return 0
-		;;
-
-	WARNING)
-		if [ -f "${NETDATA_CACHE_DIR}/alarm-notify/${method}/${r}/${alarm_id}" ]; then
-			# we do not remove the file, so that he will get future notifications of this alarm
-			debug "SEVERITY FILTERING for ${x} VIA ${method}: ALLOW: recipient has been notified for this alarm in the past (will still receive next status change)"
-			return 0
-		fi
-		;;
-
-	*)
-		if [ -f "${NETDATA_CACHE_DIR}/alarm-notify/${method}/${r}/${alarm_id}" ]; then
-			# remove the file, so that he will only receive notifications for CRITICAL states for this alarm
-			rm "${NETDATA_CACHE_DIR}/alarm-notify/${method}/${r}/${alarm_id}"
-			debug "SEVERITY FILTERING for ${x} VIA ${method}: ALLOW: recipient has been notified for this alarm (will only receive CRITICAL notifications from now on)"
-			return 0
-		fi
-		;;
-	esac
-
-	debug "SEVERITY FILTERING for ${x} VIA ${method}: BLOCK: recipient should not receive this notification"
-	return 1
+  local method="${1}" x="${2}" r s
+  shift
+
+  r="${x/|*/}" # the recipient
+  s="${x/*|/}" # the severity required for notifying this recipient
+
+  # no severity filtering for this person
+  [ "${r}" = "${s}" ] && return 0
+
+  # the severity is invalid
+  s="${s^^}"
+  if [ "${s}" != "CRITICAL" ]; then
+    error "SEVERITY FILTERING for ${x} VIA ${method}: invalid severity '${s,,}', only 'critical' is supported."
+    return 0
+  fi
+
+  # create the status tracking directory for this user
+  [ ! -d "${NETDATA_CACHE_DIR}/alarm-notify/${method}/${r}" ] &&
+    mkdir -p "${NETDATA_CACHE_DIR}/alarm-notify/${method}/${r}"
+
+  case "${status}" in
+  CRITICAL)
+    # make sure he will get future notifications for this alarm too
+    touch "${NETDATA_CACHE_DIR}/alarm-notify/${method}/${r}/${alarm_id}"
+    debug "SEVERITY FILTERING for ${x} VIA ${method}: ALLOW: the alarm is CRITICAL (will now receive next status change)"
+    return 0
+    ;;
+
+  WARNING)
+    if [ -f "${NETDATA_CACHE_DIR}/alarm-notify/${method}/${r}/${alarm_id}" ]; then
+      # we do not remove the file, so that he will get future notifications of this alarm
+      debug "SEVERITY FILTERING for ${x} VIA ${method}: ALLOW: recipient has been notified for this alarm in the past (will still receive next status change)"
+      return 0
+    fi
+    ;;
+
+  *)
+    if [ -f "${NETDATA_CACHE_DIR}/alarm-notify/${method}/${r}/${alarm_id}" ]; then
+      # remove the file, so that he will only receive notifications for CRITICAL states for this alarm
+      rm "${NETDATA_CACHE_DIR}/alarm-notify/${method}/${r}/${alarm_id}"
+      debug "SEVERITY FILTERING for ${x} VIA ${method}: ALLOW: recipient has been notified for this alarm (will only receive CRITICAL notifications from now on)"
+      return 0
+    fi
+    ;;
+  esac
+
+  debug "SEVERITY FILTERING for ${x} VIA ${method}: BLOCK: recipient should not receive this notification"
+  return 1
 }
 
 # -----------------------------------------------------------------------------
@@ -505,86 +531,110 @@ filter_recipient_by_criticality() {
 #shellcheck disable=SC2153
 { [ -z "${FLEEP_SERVER}" ] || [ -z "${FLEEP_SENDER}" ]; } && SEND_FLEEP="NO"
 
+# check dynatrace
+{ [ -z "${DYNATRACE_SPACE}" ] ||
+  [ -z "${DYNATRACE_SERVER}" ] ||
+  [ -z "${DYNATRACE_TOKEN}" ] ||
+  [ -z "${DYNATRACE_TAG_VALUE}" ] ||
+  [ -z "${DYNATRACE_EVENT}" ]; } && SEND_DYNATRACE="NO"
+
+# check opsgenie
+[ -z "${OPSGENIE_API_KEY}" ] && SEND_OPSGENIE="NO"
+
+# check matrix
+{ [ -z "${MATRIX_HOMESERVER}" ] || [ -z "${MATRIX_ACCESSTOKEN}" ]; } && SEND_MATRIX="NO"
+
+# check stackpulse
+[ -z "${STACKPULSE_WEBHOOK}" ] && SEND_STACKPULSE="NO"
+
 if [ "${SEND_PUSHOVER}" = "YES" ] ||
-	[ "${SEND_SLACK}" = "YES" ] ||
-	[ "${SEND_ROCKETCHAT}" = "YES" ] ||
-	[ "${SEND_ALERTA}" = "YES" ] ||
-	[ "${SEND_PD}" = "YES" ] ||
-	[ "${SEND_FLOCK}" = "YES" ] ||
-	[ "${SEND_DISCORD}" = "YES" ] ||
-	[ "${SEND_HIPCHAT}" = "YES" ] ||
-	[ "${SEND_TWILIO}" = "YES" ] ||
-	[ "${SEND_MESSAGEBIRD}" = "YES" ] ||
-	[ "${SEND_KAVENEGAR}" = "YES" ] ||
-	[ "${SEND_TELEGRAM}" = "YES" ] ||
-	[ "${SEND_PUSHBULLET}" = "YES" ] ||
-	[ "${SEND_KAFKA}" = "YES" ] ||
-	[ "${SEND_FLEEP}" = "YES" ] ||
-	[ "${SEND_PROWL}" = "YES" ] ||
-	[ "${SEND_HANGOUTS}" = "YES" ] ||
-	[ "${SEND_CUSTOM}" = "YES" ] ||
-	[ "${SEND_MSTEAM}" = "YES" ]; then
-	# if we need curl, check for the curl command
-	if [ -z "${curl}" ]; then
-		curl="$(command -v curl 2>/dev/null)"
-	fi
-	if [ -z "${curl}" ]; then
-		error "Cannot find curl command in the system path. Disabling all curl based notifications."
-		SEND_PUSHOVER="NO"
-		SEND_PUSHBULLET="NO"
-		SEND_TELEGRAM="NO"
-		SEND_SLACK="NO"
-		SEND_MSTEAM="NO"
-		SEND_ROCKETCHAT="NO"
-		SEND_ALERTA="NO"
-		SEND_PD="NO"
-		SEND_FLOCK="NO"
-		SEND_DISCORD="NO"
-		SEND_TWILIO="NO"
-		SEND_HIPCHAT="NO"
-		SEND_MESSAGEBIRD="NO"
-		SEND_KAVENEGAR="NO"
-		SEND_KAFKA="NO"
-		SEND_FLEEP="NO"
-		SEND_PROWL="NO"
-		SEND_HANGOUTS="NO"
-		SEND_CUSTOM="NO"
-	fi
+  [ "${SEND_SLACK}" = "YES" ] ||
+  [ "${SEND_ROCKETCHAT}" = "YES" ] ||
+  [ "${SEND_ALERTA}" = "YES" ] ||
+  [ "${SEND_PD}" = "YES" ] ||
+  [ "${SEND_FLOCK}" = "YES" ] ||
+  [ "${SEND_DISCORD}" = "YES" ] ||
+  [ "${SEND_HIPCHAT}" = "YES" ] ||
+  [ "${SEND_TWILIO}" = "YES" ] ||
+  [ "${SEND_MESSAGEBIRD}" = "YES" ] ||
+  [ "${SEND_KAVENEGAR}" = "YES" ] ||
+  [ "${SEND_TELEGRAM}" = "YES" ] ||
+  [ "${SEND_PUSHBULLET}" = "YES" ] ||
+  [ "${SEND_KAFKA}" = "YES" ] ||
+  [ "${SEND_FLEEP}" = "YES" ] ||
+  [ "${SEND_PROWL}" = "YES" ] ||
+  [ "${SEND_HANGOUTS}" = "YES" ] ||
+  [ "${SEND_MATRIX}" = "YES" ] ||
+  [ "${SEND_CUSTOM}" = "YES" ] ||
+  [ "${SEND_MSTEAM}" = "YES" ] ||
+  [ "${SEND_DYNATRACE}" = "YES" ] ||
+  [ "${SEND_STACKPULSE}" = "YES" ] ||
+  [ "${SEND_OPSGENIE}" = "YES" ]; then
+  # if we need curl, check for the curl command
+  if [ -z "${curl}" ]; then
+    curl="$(command -v curl 2>/dev/null)"
+  fi
+  if [ -z "${curl}" ]; then
+    error "Cannot find curl command in the system path. Disabling all curl based notifications."
+    SEND_PUSHOVER="NO"
+    SEND_PUSHBULLET="NO"
+    SEND_TELEGRAM="NO"
+    SEND_SLACK="NO"
+    SEND_MSTEAM="NO"
+    SEND_ROCKETCHAT="NO"
+    SEND_ALERTA="NO"
+    SEND_PD="NO"
+    SEND_FLOCK="NO"
+    SEND_DISCORD="NO"
+    SEND_TWILIO="NO"
+    SEND_HIPCHAT="NO"
+    SEND_MESSAGEBIRD="NO"
+    SEND_KAVENEGAR="NO"
+    SEND_KAFKA="NO"
+    SEND_FLEEP="NO"
+    SEND_PROWL="NO"
+    SEND_HANGOUTS="NO"
+    SEND_MATRIX="NO"
+    SEND_CUSTOM="NO"
+    SEND_DYNATRACE="NO"
+    SEND_STACKPULSE="NO"
+    SEND_OPSGENIE="NO"
+  fi
 fi
 
 if [ "${SEND_SMS}" = "YES" ]; then
-	if [ -z "${sendsms}" ]; then
-		sendsms="$(command -v sendsms 2>/dev/null)"
-	fi
-	if [ -z "${sendsms}" ]; then
-		SEND_SMS="NO"
-	fi
+  if [ -z "${sendsms}" ]; then
+    sendsms="$(command -v sendsms 2>/dev/null)"
+  fi
+  if [ -z "${sendsms}" ]; then
+    SEND_SMS="NO"
+  fi
 fi
 # if we need sendmail, check for the sendmail command
 if [ "${SEND_EMAIL}" = "YES" ] && [ -z "${sendmail}" ]; then
-	sendmail="$(command -v sendmail 2>/dev/null)"
-	if [ -z "${sendmail}" ]; then
-		debug "Cannot find sendmail command in the system path. Disabling email notifications."
-		SEND_EMAIL="NO"
-	fi
+  sendmail="$(command -v sendmail 2>/dev/null)"
+  if [ -z "${sendmail}" ]; then
+    debug "Cannot find sendmail command in the system path. Disabling email notifications."
+    SEND_EMAIL="NO"
+  fi
 fi
 
 # if we need logger, check for the logger command
 if [ "${SEND_SYSLOG}" = "YES" ] && [ -z "${logger}" ]; then
-	logger="$(command -v logger 2>/dev/null)"
-	if [ -z "${logger}" ]; then
-		debug "Cannot find logger command in the system path. Disabling syslog notifications."
-		SEND_SYSLOG="NO"
-	fi
+  logger="$(command -v logger 2>/dev/null)"
+  if [ -z "${logger}" ]; then
+    debug "Cannot find logger command in the system path. Disabling syslog notifications."
+    SEND_SYSLOG="NO"
+  fi
 fi
 
 # if we need aws, check for the aws command
 if [ "${SEND_AWSSNS}" = "YES" ] && [ -z "${aws}" ]; then
-	aws="$(command -v aws 2>/dev/null)"
-	if [ -z "${aws}" ]; then
-		debug "Cannot find aws command in the system path.  Disabling Amazon SNS notifications."
-		SEND_AWSSNS="NO"
-	fi
+  aws="$(command -v aws 2>/dev/null)"
+  if [ -z "${aws}" ]; then
+    debug "Cannot find aws command in the system path.  Disabling Amazon SNS notifications."
+    SEND_AWSSNS="NO"
+  fi
 fi
 
 # -----------------------------------------------------------------------------
@@ -593,47 +643,47 @@ fi
 # netdata may call us with multiple roles, and roles may have multiple but
 # overlapping recipients - so, here we find the unique recipients.
 for method_name in ${method_names}; do
-	send_var="SEND_${method_name^^}"
-	if [ "${!send_var}" = "NO" ]; then
-		continue
-	fi
-
-	declare -A arr_var=()
-
-	for x in ${roles//,/ }; do
-		# the roles 'silent' and 'disabled' mean:
-		# don't send a notification for this role
-		if [ "${x}" = "silent" ] || [ "${x}" = "disabled" ]; then
-			continue
-		fi
-
-		role_recipients="role_recipients_${method_name}[$x]"
-		default_recipient_var="DEFAULT_RECIPIENT_${method_name^^}"
-
-		a="${!role_recipients}"
-		[ -z "${a}" ] && a="${!default_recipient_var}"
-		for r in ${a//,/ }; do
-			[ "${r}" != "disabled" ] && filter_recipient_by_criticality ${method_name} "${r}" && arr_var[${r/|*/}]="1"
-		done
-	done
-
-	# build the list of recipients
-	to_var="to_${method_name}"
-	declare to_${method_name}="${!arr_var[*]}"
-
-	[ -z "${!to_var}" ] && declare ${send_var}="NO"
+  send_var="SEND_${method_name^^}"
+  if [ "${!send_var}" = "NO" ]; then
+    continue
+  fi
+
+  declare -A arr_var=()
+
+  for x in ${roles//,/ }; do
+    # the roles 'silent' and 'disabled' mean:
+    # don't send a notification for this role
+    if [ "${x}" = "silent" ] || [ "${x}" = "disabled" ]; then
+      continue
+    fi
+
+    role_recipients="role_recipients_${method_name}[$x]"
+    default_recipient_var="DEFAULT_RECIPIENT_${method_name^^}"
+
+    a="${!role_recipients}"
+    [ -z "${a}" ] && a="${!default_recipient_var}"
+    for r in ${a//,/ }; do
+      [ "${r}" != "disabled" ] && filter_recipient_by_criticality ${method_name} "${r}" && arr_var[${r/|*/}]="1"
+    done
+  done
+
+  # build the list of recipients
+  to_var="to_${method_name}"
+  declare to_${method_name}="${!arr_var[*]}"
+
+  [ -z "${!to_var}" ] && declare ${send_var}="NO"
 done
 
 # -----------------------------------------------------------------------------
 # handle fixup of the email recipient list.
 
 fix_to_email() {
-	to_email=
-	while [ -n "${1}" ]; do
-		[ -n "${to_email}" ] && to_email="${to_email}, "
-		to_email="${to_email}${1}"
-		shift 1
-	done
+  to_email=
+  while [ -n "${1}" ]; do
+    [ -n "${to_email}" ] && to_email="${to_email}, "
+    to_email="${to_email}${1}"
+    shift 1
+  done
 }
 
 # ${to_email} without quotes here
@@ -642,47 +692,52 @@ fix_to_email ${to_email}
 # -----------------------------------------------------------------------------
 # handle output if we're running in unit test mode
 if [ ${unittest} ]; then
-	for method_name in ${method_names}; do
-		to_var="to_${method_name}"
-		echo "results: ${method_name}: ${!to_var}"
-	done
-	exit 0
+  for method_name in ${method_names}; do
+    to_var="to_${method_name}"
+    echo "results: ${method_name}: ${!to_var}"
+  done
+  exit 0
 fi
 
 # -----------------------------------------------------------------------------
 # check that we have at least a method enabled
 proceed=0
 for method in "${SEND_EMAIL}" \
-	"${SEND_PUSHOVER}" \
-	"${SEND_TELEGRAM}" \
-	"${SEND_SLACK}" \
-	"${SEND_ROCKETCHAT}" \
-	"${SEND_ALERTA}" \
-	"${SEND_FLOCK}" \
-	"${SEND_DISCORD}" \
-	"${SEND_TWILIO}" \
-	"${SEND_HIPCHAT}" \
-	"${SEND_MESSAGEBIRD}" \
-	"${SEND_KAVENEGAR}" \
-	"${SEND_PUSHBULLET}" \
-	"${SEND_KAFKA}" \
-	"${SEND_PD}" \
-	"${SEND_FLEEP}" \
-	"${SEND_PROWL}" \
-	"${SEND_CUSTOM}" \
-	"${SEND_IRC}" \
-	"${SEND_HANGOUTS}" \
-	"${SEND_AWSSNS}" \
-	"${SEND_SYSLOG}" \
-	"${SEND_SMS}" \
-	"${SEND_MSTEAM}"; do
-	if [ "${method}" == "YES" ]; then
-		proceed=1
-		break
-	fi
+  "${SEND_PUSHOVER}" \
+  "${SEND_TELEGRAM}" \
+  "${SEND_SLACK}" \
+  "${SEND_ROCKETCHAT}" \
+  "${SEND_ALERTA}" \
+  "${SEND_FLOCK}" \
+  "${SEND_DISCORD}" \
+  "${SEND_TWILIO}" \
+  "${SEND_HIPCHAT}" \
+  "${SEND_MESSAGEBIRD}" \
+  "${SEND_KAVENEGAR}" \
+  "${SEND_PUSHBULLET}" \
+  "${SEND_KAFKA}" \
+  "${SEND_PD}" \
+  "${SEND_FLEEP}" \
+  "${SEND_PROWL}" \
+  "${SEND_MATRIX}" \
+  "${SEND_CUSTOM}" \
+  "${SEND_IRC}" \
+  "${SEND_HANGOUTS}" \
+  "${SEND_AWSSNS}" \
+  "${SEND_SYSLOG}" \
+  "${SEND_SMS}" \
+  "${SEND_MSTEAM}" \
+  "${SEND_DYNATRACE}" \
+  "${SEND_STACKPULSE}" \
+  "${SEND_OPSGENIE}" ; do
+
+  if [ "${method}" == "YES" ]; then
+    proceed=1
+    break
+  fi
 done
 if [ "$proceed" -eq 0 ]; then
-	fatal "All notification methods are disabled. Not sending notification for host '${host}', chart '${chart}' to '${roles}' for '${name}' = '${value}' for status '${status}'."
+  fatal "All notification methods are disabled. Not sending notification for host '${host}', chart '${chart}' to '${roles}' for '${name}' = '${value}' for status '${status}'."
 fi
 
 # -----------------------------------------------------------------------------
@@ -696,34 +751,34 @@ date=$(date --date=@${when} "${date_format}" 2>/dev/null)
 # ----------------------------------------------------------------------------
 # prepare some extra headers if we've been asked to thread e-mails
 if [ "${SEND_EMAIL}" == "YES" ] && [ "${EMAIL_THREADING}" != "NO" ]; then
-	email_thread_headers="In-Reply-To: <${chart}-${name}@${host}>\\r\\nReferences: <${chart}-${name}@${host}>"
+  email_thread_headers="In-Reply-To: <${chart}-${name}@${host}>\\r\\nReferences: <${chart}-${name}@${host}>"
 else
-	email_thread_headers=
+  email_thread_headers=
 fi
 
 # -----------------------------------------------------------------------------
 # function to URL encode a string
 
 urlencode() {
-	local string="${1}" strlen encoded pos c o
-
-	strlen=${#string}
-	for ((pos = 0; pos < strlen; pos++)); do
-		c=${string:pos:1}
-		case "${c}" in
-		[-_.~a-zA-Z0-9])
-			o="${c}"
-			;;
-
-		*)
-			printf -v o '%%%02x' "'${c}"
-			;;
-		esac
-		encoded+="${o}"
-	done
-
-	REPLY="${encoded}"
-	echo "${REPLY}"
+  local string="${1}" strlen encoded pos c o
+
+  strlen=${#string}
+  for ((pos = 0; pos < strlen; pos++)); do
+    c=${string:pos:1}
+    case "${c}" in
+    [-_.~a-zA-Z0-9])
+      o="${c}"
+      ;;
+
+    *)
+      printf -v o '%%%02x' "'${c}"
+      ;;
+    esac
+    encoded+="${o}"
+  done
+
+  REPLY="${encoded}"
+  echo "${REPLY}"
 }
 
 # -----------------------------------------------------------------------------
@@ -731,154 +786,154 @@ urlencode() {
 # using DAYS, MINUTES, SECONDS
 
 duration4human() {
-	local s="${1}" d=0 h=0 m=0 ds="day" hs="hour" ms="minute" ss="second" ret
-	d=$((s / 86400))
-	s=$((s - (d * 86400)))
-	h=$((s / 3600))
-	s=$((s - (h * 3600)))
-	m=$((s / 60))
-	s=$((s - (m * 60)))
-
-	if [ ${d} -gt 0 ]; then
-		[ ${m} -ge 30 ] && h=$((h + 1))
-		[ ${d} -gt 1 ] && ds="days"
-		[ ${h} -gt 1 ] && hs="hours"
-		if [ ${h} -gt 0 ]; then
-			ret="${d} ${ds} and ${h} ${hs}"
-		else
-			ret="${d} ${ds}"
-		fi
-	elif [ ${h} -gt 0 ]; then
-		[ ${s} -ge 30 ] && m=$((m + 1))
-		[ ${h} -gt 1 ] && hs="hours"
-		[ ${m} -gt 1 ] && ms="minutes"
-		if [ ${m} -gt 0 ]; then
-			ret="${h} ${hs} and ${m} ${ms}"
-		else
-			ret="${h} ${hs}"
-		fi
-	elif [ ${m} -gt 0 ]; then
-		[ ${m} -gt 1 ] && ms="minutes"
-		[ ${s} -gt 1 ] && ss="seconds"
-		if [ ${s} -gt 0 ]; then
-			ret="${m} ${ms} and ${s} ${ss}"
-		else
-			ret="${m} ${ms}"
-		fi
-	else
-		[ ${s} -gt 1 ] && ss="seconds"
-		ret="${s} ${ss}"
-	fi
-
-	REPLY="${ret}"
-	echo "${REPLY}"
+  local s="${1}" d=0 h=0 m=0 ds="day" hs="hour" ms="minute" ss="second" ret
+  d=$((s / 86400))
+  s=$((s - (d * 86400)))
+  h=$((s / 3600))
+  s=$((s - (h * 3600)))
+  m=$((s / 60))
+  s=$((s - (m * 60)))
+
+  if [ ${d} -gt 0 ]; then
+    [ ${m} -ge 30 ] && h=$((h + 1))
+    [ ${d} -gt 1 ] && ds="days"
+    [ ${h} -gt 1 ] && hs="hours"
+    if [ ${h} -gt 0 ]; then
+      ret="${d} ${ds} and ${h} ${hs}"
+    else
+      ret="${d} ${ds}"
+    fi
+  elif [ ${h} -gt 0 ]; then
+    [ ${s} -ge 30 ] && m=$((m + 1))
+    [ ${h} -gt 1 ] && hs="hours"
+    [ ${m} -gt 1 ] && ms="minutes"
+    if [ ${m} -gt 0 ]; then
+      ret="${h} ${hs} and ${m} ${ms}"
+    else
+      ret="${h} ${hs}"
+    fi
+  elif [ ${m} -gt 0 ]; then
+    [ ${m} -gt 1 ] && ms="minutes"
+    [ ${s} -gt 1 ] && ss="seconds"
+    if [ ${s} -gt 0 ]; then
+      ret="${m} ${ms} and ${s} ${ss}"
+    else
+      ret="${m} ${ms}"
+    fi
+  else
+    [ ${s} -gt 1 ] && ss="seconds"
+    ret="${s} ${ss}"
+  fi
+
+  REPLY="${ret}"
+  echo "${REPLY}"
 }
 
 # -----------------------------------------------------------------------------
 # email sender
 
 send_email() {
-	local ret opts=() sender_email="${EMAIL_SENDER}" sender_name=
-	if [ "${SEND_EMAIL}" = "YES" ]; then
-
-		if [ -n "${EMAIL_SENDER}" ]; then
-			if [[ ${EMAIL_SENDER} =~ ^\".*\"\ \<.*\>$ ]]; then
-				# the name includes double quotes
-				sender_email="$(echo "${EMAIL_SENDER}" | cut -d '<' -f 2 | cut -d '>' -f 1)"
-				sender_name="$(echo "${EMAIL_SENDER}" | cut -d '"' -f 2)"
-			elif [[ ${EMAIL_SENDER} =~ ^\'.*\'\ \<.*\>$ ]]; then
-				# the name includes single quotes
-				sender_email="$(echo "${EMAIL_SENDER}" | cut -d '<' -f 2 | cut -d '>' -f 1)"
-				sender_name="$(echo "${EMAIL_SENDER}" | cut -d "'" -f 2)"
-			elif [[ ${EMAIL_SENDER} =~ ^.*\ \<.*\>$ ]]; then
-				# the name does not have any quotes
-				sender_email="$(echo "${EMAIL_SENDER}" | cut -d '<' -f 2 | cut -d '>' -f 1)"
-				sender_name="$(echo "${EMAIL_SENDER}" | cut -d '<' -f 1)"
-			fi
-		fi
-
-		[ -n "${sender_email}" ] && opts+=(-f "${sender_email}")
-		[ -n "${sender_name}" ] && opts+=(-F "${sender_name}")
-
-		if [ "${debug}" = "1" ]; then
-			echo >&2 "--- BEGIN sendmail command ---"
-			printf >&2 "%q " "${sendmail}" -t "${opts[@]}"
-			echo >&2
-			echo >&2 "--- END sendmail command ---"
-		fi
-
-		"${sendmail}" -t "${opts[@]}"
-		ret=$?
-
-		if [ ${ret} -eq 0 ]; then
-			info "sent email notification for: ${host} ${chart}.${name} is ${status} to '${to_email}'"
-			return 0
-		else
-			error "failed to send email notification for: ${host} ${chart}.${name} is ${status} to '${to_email}' with error code ${ret}."
-			return 1
-		fi
-	fi
-
-	return 1
+  local ret opts=() sender_email="${EMAIL_SENDER}" sender_name=
+  if [ "${SEND_EMAIL}" = "YES" ]; then
+
+    if [ -n "${EMAIL_SENDER}" ]; then
+      if [[ ${EMAIL_SENDER} =~ ^\".*\"\ \<.*\>$ ]]; then
+        # the name includes double quotes
+        sender_email="$(echo "${EMAIL_SENDER}" | cut -d '<' -f 2 | cut -d '>' -f 1)"
+        sender_name="$(echo "${EMAIL_SENDER}" | cut -d '"' -f 2)"
+      elif [[ ${EMAIL_SENDER} =~ ^\'.*\'\ \<.*\>$ ]]; then
+        # the name includes single quotes
+        sender_email="$(echo "${EMAIL_SENDER}" | cut -d '<' -f 2 | cut -d '>' -f 1)"
+        sender_name="$(echo "${EMAIL_SENDER}" | cut -d "'" -f 2)"
+      elif [[ ${EMAIL_SENDER} =~ ^.*\ \<.*\>$ ]]; then
+        # the name does not have any quotes
+        sender_email="$(echo "${EMAIL_SENDER}" | cut -d '<' -f 2 | cut -d '>' -f 1)"
+        sender_name="$(echo "${EMAIL_SENDER}" | cut -d '<' -f 1)"
+      fi
+    fi
+
+    [ -n "${sender_email}" ] && opts+=(-f "${sender_email}")
+    [ -n "${sender_name}" ] && opts+=(-F "${sender_name}")
+
+    if [ "${debug}" = "1" ]; then
+      echo >&2 "--- BEGIN sendmail command ---"
+      printf >&2 "%q " "${sendmail}" -t "${opts[@]}"
+      echo >&2
+      echo >&2 "--- END sendmail command ---"
+    fi
+
+    "${sendmail}" -t "${opts[@]}"
+    ret=$?
+
+    if [ ${ret} -eq 0 ]; then
+      info "sent email notification for: ${host} ${chart}.${name} is ${status} to '${to_email}'"
+      return 0
+    else
+      error "failed to send email notification for: ${host} ${chart}.${name} is ${status} to '${to_email}' with error code ${ret}."
+      return 1
+    fi
+  fi
+
+  return 1
 }
 
 # -----------------------------------------------------------------------------
 # pushover sender
 
 send_pushover() {
-	local apptoken="${1}" usertokens="${2}" when="${3}" url="${4}" status="${5}" title="${6}" message="${7}" httpcode sent=0 user priority
-
-	if [ "${SEND_PUSHOVER}" = "YES" ] && [ -n "${apptoken}" ] && [ -n "${usertokens}" ] && [ -n "${title}" ] && [ -n "${message}" ]; then
-
-		# https://pushover.net/api
-		priority=-2
-		case "${status}" in
-		CLEAR) priority=-1 ;; # low priority: no sound or vibration
-		WARNING) priority=0 ;; # normal priority: respect quiet hours
-		CRITICAL) priority=1 ;; # high priority: bypass quiet hours
-		*) priority=-2 ;; # lowest priority: no notification at all
-		esac
-
-		for user in ${usertokens}; do
-			httpcode=$(docurl \
-				--form-string "token=${apptoken}" \
-				--form-string "user=${user}" \
-				--form-string "html=1" \
-				--form-string "title=${title}" \
-				--form-string "message=${message}" \
-				--form-string "timestamp=${when}" \
-				--form-string "url=${url}" \
-				--form-string "url_title=Open netdata dashboard to view the alarm" \
-				--form-string "priority=${priority}" \
-				https://api.pushover.net/1/messages.json)
-
-			if [ "${httpcode}" = "200" ]; then
-				info "sent pushover notification for: ${host} ${chart}.${name} is ${status} to '${user}'"
-				sent=$((sent + 1))
-			else
-				error "failed to send pushover notification for: ${host} ${chart}.${name} is ${status} to '${user}' with HTTP error code ${httpcode}."
-			fi
-		done
-
-		[ ${sent} -gt 0 ] && return 0
-	fi
-
-	return 1
+  local apptoken="${1}" usertokens="${2}" when="${3}" url="${4}" status="${5}" title="${6}" message="${7}" httpcode sent=0 user priority
+
+  if [ "${SEND_PUSHOVER}" = "YES" ] && [ -n "${apptoken}" ] && [ -n "${usertokens}" ] && [ -n "${title}" ] && [ -n "${message}" ]; then
+
+    # https://pushover.net/api
+    priority=-2
+    case "${status}" in
+    CLEAR) priority=-1 ;; # low priority: no sound or vibration
+    WARNING) priority=0 ;; # normal priority: respect quiet hours
+    CRITICAL) priority=1 ;; # high priority: bypass quiet hours
+    *) priority=-2 ;; # lowest priority: no notification at all
+    esac
+
+    for user in ${usertokens}; do
+      httpcode=$(docurl \
+        --form-string "token=${apptoken}" \
+        --form-string "user=${user}" \
+        --form-string "html=1" \
+        --form-string "title=${title}" \
+        --form-string "message=${message}" \
+        --form-string "timestamp=${when}" \
+        --form-string "url=${url}" \
+        --form-string "url_title=Open netdata dashboard to view the alarm" \
+        --form-string "priority=${priority}" \
+        https://api.pushover.net/1/messages.json)
+
+      if [ "${httpcode}" = "200" ]; then
+        info "sent pushover notification for: ${host} ${chart}.${name} is ${status} to '${user}'"
+        sent=$((sent + 1))
+      else
+        error "failed to send pushover notification for: ${host} ${chart}.${name} is ${status} to '${user}' with HTTP response status code ${httpcode}."
+      fi
+    done
+
+    [ ${sent} -gt 0 ] && return 0
+  fi
+
+  return 1
 }
 
 # -----------------------------------------------------------------------------
 # pushbullet sender
 
 send_pushbullet() {
-	local userapikey="${1}" source_device="${2}" recipients="${3}" url="${4}" title="${5}" message="${6}" httpcode sent=0 user
-	if [ "${SEND_PUSHBULLET}" = "YES" ] && [ -n "${userapikey}" ] && [ -n "${recipients}" ] && [ -n "${message}" ] && [ -n "${title}" ]; then
-		#https://docs.pushbullet.com/#create-push
-		for user in ${recipients}; do
-			httpcode=$(docurl \
-				--header 'Access-Token: '${userapikey}'' \
-				--header 'Content-Type: application/json' \
-				--data-binary @<(
-					cat <<EOF
+  local userapikey="${1}" source_device="${2}" recipients="${3}" url="${4}" title="${5}" message="${6}" httpcode sent=0 user
+  if [ "${SEND_PUSHBULLET}" = "YES" ] && [ -n "${userapikey}" ] && [ -n "${recipients}" ] && [ -n "${message}" ] && [ -n "${title}" ]; then
+    #https://docs.pushbullet.com/#create-push
+    for user in ${recipients}; do
+      httpcode=$(docurl \
+        --header 'Access-Token: '${userapikey}'' \
+        --header 'Content-Type: application/json' \
+        --data-binary @<(
+          cat <<EOF
                               {"title": "${title}",
                               "type": "link",
                               "email": "${user}",
@@ -886,62 +941,106 @@ send_pushbullet() {
                               "url": "${url}",
                               "source_device_iden": "${source_device}"}
 EOF
-				) "https://api.pushbullet.com/v2/pushes" -X POST)
+        ) "https://api.pushbullet.com/v2/pushes" -X POST)
 
-			if [ "${httpcode}" = "200" ]; then
-				info "sent pushbullet notification for: ${host} ${chart}.${name} is ${status} to '${user}'"
-				sent=$((sent + 1))
-			else
-				error "failed to send pushbullet notification for: ${host} ${chart}.${name} is ${status} to '${user}' with HTTP error code ${httpcode}."
-			fi
-		done
+      if [ "${httpcode}" = "200" ]; then
+        info "sent pushbullet notification for: ${host} ${chart}.${name} is ${status} to '${user}'"
+        sent=$((sent + 1))
+      else
+        error "failed to send pushbullet notification for: ${host} ${chart}.${name} is ${status} to '${user}' with HTTP response status code ${httpcode}."
+      fi
+    done
 
-		[ ${sent} -gt 0 ] && return 0
-	fi
+    [ ${sent} -gt 0 ] && return 0
+  fi
 
-	return 1
+  return 1
 }
 
 # -----------------------------------------------------------------------------
 # kafka sender
 
 send_kafka() {
-	local httpcode sent=0
-	if [ "${SEND_KAFKA}" = "YES" ]; then
-		httpcode=$(docurl -X POST \
-			--data "{host_ip:\"${KAFKA_SENDER_IP}\",when:${when},name:\"${name}\",chart:\"${chart}\",family:\"${family}\",status:\"${status}\",old_status:\"${old_status}\",value:${value},old_value:${old_value},duration:${duration},non_clear_duration:${non_clear_duration},units:\"${units}\",info:\"${info}\"}" \
-			"${KAFKA_URL}")
-
-		if [ "${httpcode}" = "204" ]; then
-			info "sent kafka data for: ${host} ${chart}.${name} is ${status} and ip '${KAFKA_SENDER_IP}'"
-			sent=$((sent + 1))
-		else
-			error "failed to send kafka data for: ${host} ${chart}.${name} is ${status} and ip '${KAFKA_SENDER_IP}' with HTTP error code ${httpcode}."
-		fi
-
-		[ ${sent} -gt 0 ] && return 0
-	fi
-
-	return 1
+  local httpcode sent=0
+  if [ "${SEND_KAFKA}" = "YES" ]; then
+    httpcode=$(docurl -X POST \
+      --data "{host_ip:\"${KAFKA_SENDER_IP}\",when:${when},name:\"${name}\",chart:\"${chart}\",family:\"${family}\",status:\"${status}\",old_status:\"${old_status}\",value:${value},old_value:${old_value},duration:${duration},non_clear_duration:${non_clear_duration},units:\"${units}\",info:\"${info}\"}" \
+      "${KAFKA_URL}")
+
+    if [ "${httpcode}" = "204" ]; then
+      info "sent kafka data for: ${host} ${chart}.${name} is ${status} and ip '${KAFKA_SENDER_IP}'"
+      sent=$((sent + 1))
+    else
+      error "failed to send kafka data for: ${host} ${chart}.${name} is ${status} and ip '${KAFKA_SENDER_IP}' with HTTP response status code ${httpcode}."
+    fi
+
+    [ ${sent} -gt 0 ] && return 0
+  fi
+
+  return 1
 }
 
 # -----------------------------------------------------------------------------
 # pagerduty.com sender
 
 send_pd() {
-	local recipients="${1}" sent=0
-	unset t
-	case ${status} in
-	CLEAR) t='resolve' ;;
-	WARNING) t='trigger' ;;
-	CRITICAL) t='trigger' ;;
-	esac
-
-	if [ ${SEND_PD} = "YES" ] && [ -n "${t}" ]; then
-		for PD_SERVICE_KEY in ${recipients}; do
-			d="${status} ${name} = ${value_string} - ${host}, ${family}"
-			payload="$(
-				cat <<EOF
+  local recipients="${1}" sent=0 severity current_time payload url response_code
+  unset t
+  case ${status} in
+  CLEAR) t='resolve' ; severity='info' ;;
+  WARNING) t='trigger' ; severity='warning' ;;
+  CRITICAL) t='trigger' ; severity='critical' ;;
+  esac
+
+  if [ ${SEND_PD} = "YES" ] && [ -n "${t}" ]; then
+    if [ "$(uname)" == "Linux" ]; then
+      current_time=$(date -d @${when} +'%Y-%m-%dT%H:%M:%S.000')
+    else
+      current_time=$(date -r ${when} +'%Y-%m-%dT%H:%M:%S.000')
+    fi
+    for PD_SERVICE_KEY in ${recipients}; do
+      d="${status} ${name} = ${value_string} - ${host}, ${family}"
+      if [ ${USE_PD_VERSION} = "2" ]; then
+        payload="$(
+          cat <<EOF
+              {
+                "payload" : {
+                  "summary": "${info:0:1024}",
+                  "source" : "${args_host}",
+                  "severity" : "${severity}",
+                  "timestamp" : "${current_time}",
+                  "group" : "${family}",
+                  "class" : "${chart}",
+                  "custom_details": {
+                    "value_w_units": "${value_string}",
+                    "when": "${when}",
+                    "duration" : "${duration}",
+                    "roles": "${roles}",
+                    "alarm_id" : "${alarm_id}",
+                    "name" : "${name}",
+                    "chart" : "${chart}",
+                    "family" : "${family}",
+                    "status" : "${status}",
+                    "old_status" : "${old_status}",
+                    "value" : "${value}",
+                    "old_value" : "${old_value}",
+                    "src" : "${src}",
+                    "non_clear_duration" : "${non_clear_duration}",
+                    "units" : "${units}",
+                    "info" : "${info}"
+                  }
+                },
+                "routing_key": "${PD_SERVICE_KEY}",
+                "event_action": "${t}",
+                "dedup_key": "${unique_id}"
+              }
+EOF
+        )"
+        url="https://events.pagerduty.com/v2/enqueue"
+        response_code="202"
+      else
+        payload="$(
+          cat <<EOF
             {
               "service_key": "${PD_SERVICE_KEY}",
               "event_type": "${t}",
@@ -967,195 +1066,198 @@ send_pd() {
               }
             }
 EOF
-			)"
-			httpcode=$(docurl -X POST --data "${payload}" "https://events.pagerduty.com/generic/2010-04-15/create_event.json")
-			if [ "${httpcode}" = "200" ]; then
-				info "sent pagerduty notification for: ${host} ${chart}.${name} is ${status}'"
-				sent=$((sent + 1))
-			else
-				error "failed to send pagerduty notification for: ${host} ${chart}.${name} is ${status}, with HTTP error code ${httpcode}."
-			fi
-		done
-
-		[ ${sent} -gt 0 ] && return 0
-	fi
-
-	return 1
+        )"
+        url="https://events.pagerduty.com/generic/2010-04-15/create_event.json"
+        response_code="200"
+      fi
+      httpcode=$(docurl -X POST --data "${payload}" ${url})
+      if [ "${httpcode}" = "${response_code}" ]; then
+        info "sent pagerduty notification for: ${host} ${chart}.${name} is ${status}'"
+        sent=$((sent + 1))
+      else
+        error "failed to send pagerduty notification for: ${host} ${chart}.${name} is ${status}, with HTTP response status code ${httpcode}."
+      fi
+    done
+
+    [ ${sent} -gt 0 ] && return 0
+  fi
+
+  return 1
 }
 
 # -----------------------------------------------------------------------------
 # twilio sender
 
 send_twilio() {
-	local accountsid="${1}" accounttoken="${2}" twilionumber="${3}" recipients="${4}" title="${5}" message="${6}" httpcode sent=0 user
-	if [ "${SEND_TWILIO}" = "YES" ] && [ -n "${accountsid}" ] && [ -n "${accounttoken}" ] && [ -n "${twilionumber}" ] && [ -n "${recipients}" ] && [ -n "${message}" ] && [ -n "${title}" ]; then
-		#https://www.twilio.com/packages/labs/code/bash/twilio-sms
-		for user in ${recipients}; do
-			httpcode=$(docurl -X POST \
-				--data-urlencode "From=${twilionumber}" \
-				--data-urlencode "To=${user}" \
-				--data-urlencode "Body=${title} ${message}" \
-				-u "${accountsid}:${accounttoken}" \
-				"https://api.twilio.com/2010-04-01/Accounts/${accountsid}/Messages.json")
-
-			if [ "${httpcode}" = "201" ]; then
-				info "sent Twilio SMS for: ${host} ${chart}.${name} is ${status} to '${user}'"
-				sent=$((sent + 1))
-			else
-				error "failed to send Twilio SMS for: ${host} ${chart}.${name} is ${status} to '${user}' with HTTP error code ${httpcode}."
-			fi
-		done
-
-		[ ${sent} -gt 0 ] && return 0
-	fi
-
-	return 1
+  local accountsid="${1}" accounttoken="${2}" twilionumber="${3}" recipients="${4}" title="${5}" message="${6}" httpcode sent=0 user
+  if [ "${SEND_TWILIO}" = "YES" ] && [ -n "${accountsid}" ] && [ -n "${accounttoken}" ] && [ -n "${twilionumber}" ] && [ -n "${recipients}" ] && [ -n "${message}" ] && [ -n "${title}" ]; then
+    #https://www.twilio.com/packages/labs/code/bash/twilio-sms
+    for user in ${recipients}; do
+      httpcode=$(docurl -X POST \
+        --data-urlencode "From=${twilionumber}" \
+        --data-urlencode "To=${user}" \
+        --data-urlencode "Body=${title} ${message}" \
+        -u "${accountsid}:${accounttoken}" \
+        "https://api.twilio.com/2010-04-01/Accounts/${accountsid}/Messages.json")
+
+      if [ "${httpcode}" = "201" ]; then
+        info "sent Twilio SMS for: ${host} ${chart}.${name} is ${status} to '${user}'"
+        sent=$((sent + 1))
+      else
+        error "failed to send Twilio SMS for: ${host} ${chart}.${name} is ${status} to '${user}' with HTTP response status code ${httpcode}."
+      fi
+    done
+
+    [ ${sent} -gt 0 ] && return 0
+  fi
+
+  return 1
 }
 
 # -----------------------------------------------------------------------------
 # hipchat sender
 
 send_hipchat() {
-	local authtoken="${1}" recipients="${2}" message="${3}" httpcode sent=0 room color msg_format notify
-
-	# remove <small></small> from the message
-	message="${message//<small>/}"
-	message="${message//<\/small>/}"
-
-	if [ "${SEND_HIPCHAT}" = "YES" ] && [ -n "${HIPCHAT_SERVER}" ] && [ -n "${authtoken}" ] && [ -n "${recipients}" ] && [ -n "${message}" ]; then
-		# Valid values: html, text.
-		# Defaults to 'html'.
-		msg_format="html"
-
-		# Background color for message. Valid values: yellow, green, red, purple, gray, random. Defaults to 'yellow'.
-		case "${status}" in
-		WARNING) color="yellow" ;;
-		CRITICAL) color="red" ;;
-		CLEAR) color="green" ;;
-		*) color="gray" ;;
-		esac
-
-		# Whether this message should trigger a user notification (change the tab color, play a sound, notify mobile phones, etc).
-		# Each recipient's notification preferences are taken into account.
-		# Defaults to false.
-		notify="true"
-
-		for room in ${recipients}; do
-			httpcode=$(docurl -X POST \
-				-H "Content-type: application/json" \
-				-H "Authorization: Bearer ${authtoken}" \
-				-d "{\"color\": \"${color}\", \"from\": \"${host}\", \"message_format\": \"${msg_format}\", \"message\": \"${message}\", \"notify\": \"${notify}\"}" \
-				"https://${HIPCHAT_SERVER}/v2/room/${room}/notification")
-
-			if [ "${httpcode}" = "204" ]; then
-				info "sent HipChat notification for: ${host} ${chart}.${name} is ${status} to '${room}'"
-				sent=$((sent + 1))
-			else
-				error "failed to send HipChat notification for: ${host} ${chart}.${name} is ${status} to '${room}' with HTTP error code ${httpcode}."
-			fi
-		done
-
-		[ ${sent} -gt 0 ] && return 0
-	fi
-
-	return 1
+  local authtoken="${1}" recipients="${2}" message="${3}" httpcode sent=0 room color msg_format notify
+
+  # remove <small></small> from the message
+  message="${message//<small>/}"
+  message="${message//<\/small>/}"
+
+  if [ "${SEND_HIPCHAT}" = "YES" ] && [ -n "${HIPCHAT_SERVER}" ] && [ -n "${authtoken}" ] && [ -n "${recipients}" ] && [ -n "${message}" ]; then
+    # Valid values: html, text.
+    # Defaults to 'html'.
+    msg_format="html"
+
+    # Background color for message. Valid values: yellow, green, red, purple, gray, random. Defaults to 'yellow'.
+    case "${status}" in
+    WARNING) color="yellow" ;;
+    CRITICAL) color="red" ;;
+    CLEAR) color="green" ;;
+    *) color="gray" ;;
+    esac
+
+    # Whether this message should trigger a user notification (change the tab color, play a sound, notify mobile phones, etc).
+    # Each recipient's notification preferences are taken into account.
+    # Defaults to false.
+    notify="true"
+
+    for room in ${recipients}; do
+      httpcode=$(docurl -X POST \
+        -H "Content-type: application/json" \
+        -H "Authorization: Bearer ${authtoken}" \
+        -d "{\"color\": \"${color}\", \"from\": \"${host}\", \"message_format\": \"${msg_format}\", \"message\": \"${message}\", \"notify\": \"${notify}\"}" \
+        "https://${HIPCHAT_SERVER}/v2/room/${room}/notification")
+
+      if [ "${httpcode}" = "204" ]; then
+        info "sent HipChat notification for: ${host} ${chart}.${name} is ${status} to '${room}'"
+        sent=$((sent + 1))
+      else
+        error "failed to send HipChat notification for: ${host} ${chart}.${name} is ${status} to '${room}' with HTTP response status code ${httpcode}."
+      fi
+    done
+
+    [ ${sent} -gt 0 ] && return 0
+  fi
+
+  return 1
 }
 
 # -----------------------------------------------------------------------------
 # messagebird sender
 
 send_messagebird() {
-	local accesskey="${1}" messagebirdnumber="${2}" recipients="${3}" title="${4}" message="${5}" httpcode sent=0 user
-	if [ "${SEND_MESSAGEBIRD}" = "YES" ] && [ -n "${accesskey}" ] && [ -n "${messagebirdnumber}" ] && [ -n "${recipients}" ] && [ -n "${message}" ] && [ -n "${title}" ]; then
-		#https://developers.messagebird.com/docs/messaging
-		for user in ${recipients}; do
-			httpcode=$(docurl -X POST \
-				--data-urlencode "originator=${messagebirdnumber}" \
-				--data-urlencode "recipients=${user}" \
-				--data-urlencode "body=${title} ${message}" \
-				--data-urlencode "datacoding=auto" \
-				-H "Authorization: AccessKey ${accesskey}" \
-				"https://rest.messagebird.com/messages")
-
-			if [ "${httpcode}" = "201" ]; then
-				info "sent Messagebird SMS for: ${host} ${chart}.${name} is ${status} to '${user}'"
-				sent=$((sent + 1))
-			else
-				error "failed to send Messagebird SMS for: ${host} ${chart}.${name} is ${status} to '${user}' with HTTP error code ${httpcode}."
-			fi
-		done
-
-		[ ${sent} -gt 0 ] && return 0
-	fi
-
-	return 1
+  local accesskey="${1}" messagebirdnumber="${2}" recipients="${3}" title="${4}" message="${5}" httpcode sent=0 user
+  if [ "${SEND_MESSAGEBIRD}" = "YES" ] && [ -n "${accesskey}" ] && [ -n "${messagebirdnumber}" ] && [ -n "${recipients}" ] && [ -n "${message}" ] && [ -n "${title}" ]; then
+    #https://developers.messagebird.com/docs/messaging
+    for user in ${recipients}; do
+      httpcode=$(docurl -X POST \
+        --data-urlencode "originator=${messagebirdnumber}" \
+        --data-urlencode "recipients=${user}" \
+        --data-urlencode "body=${title} ${message}" \
+        --data-urlencode "datacoding=auto" \
+        -H "Authorization: AccessKey ${accesskey}" \
+        "https://rest.messagebird.com/messages")
+
+      if [ "${httpcode}" = "201" ]; then
+        info "sent Messagebird SMS for: ${host} ${chart}.${name} is ${status} to '${user}'"
+        sent=$((sent + 1))
+      else
+        error "failed to send Messagebird SMS for: ${host} ${chart}.${name} is ${status} to '${user}' with HTTP response status code ${httpcode}."
+      fi
+    done
+
+    [ ${sent} -gt 0 ] && return 0
+  fi
+
+  return 1
 }
 
 # -----------------------------------------------------------------------------
 # kavenegar sender
 
 send_kavenegar() {
-	local API_KEY="${1}" kavenegarsender="${2}" recipients="${3}" title="${4}" message="${5}" httpcode sent=0 user
-	if [ "${SEND_KAVENEGAR}" = "YES" ] && [ -n "${API_KEY}" ] && [ -n "${kavenegarsender}" ] && [ -n "${recipients}" ] && [ -n "${message}" ] && [ -n "${title}" ]; then
-		# http://api.kavenegar.com/v1/{API-KEY}/sms/send.json
-		for user in ${recipients}; do
-			httpcode=$(docurl -X POST http://api.kavenegar.com/v1/${API_KEY}/sms/send.json \
-				--data-urlencode "sender=${kavenegarsender}" \
-				--data-urlencode "receptor=${user}" \
-				--data-urlencode "message=${title} ${message}")
-
-			if [ "${httpcode}" = "200" ]; then
-				info "sent Kavenegar SMS for: ${host} ${chart}.${name} is ${status} to '${user}'"
-				sent=$((sent + 1))
-			else
-				error "failed to send Kavenegar SMS for: ${host} ${chart}.${name} is ${status} to '${user}' with HTTP error code ${httpcode}."
-			fi
-		done
-
-		[ ${sent} -gt 0 ] && return 0
-	fi
-
-	return 1
+  local API_KEY="${1}" kavenegarsender="${2}" recipients="${3}" title="${4}" message="${5}" httpcode sent=0 user
+  if [ "${SEND_KAVENEGAR}" = "YES" ] && [ -n "${API_KEY}" ] && [ -n "${kavenegarsender}" ] && [ -n "${recipients}" ] && [ -n "${message}" ] && [ -n "${title}" ]; then
+    # http://api.kavenegar.com/v1/{API-KEY}/sms/send.json
+    for user in ${recipients}; do
+      httpcode=$(docurl -X POST http://api.kavenegar.com/v1/${API_KEY}/sms/send.json \
+        --data-urlencode "sender=${kavenegarsender}" \
+        --data-urlencode "receptor=${user}" \
+        --data-urlencode "message=${title} ${message}")
+
+      if [ "${httpcode}" = "200" ]; then
+        info "sent Kavenegar SMS for: ${host} ${chart}.${name} is ${status} to '${user}'"
+        sent=$((sent + 1))
+      else
+        error "failed to send Kavenegar SMS for: ${host} ${chart}.${name} is ${status} to '${user}' with HTTP response status code ${httpcode}."
+      fi
+    done
+
+    [ ${sent} -gt 0 ] && return 0
+  fi
+
+  return 1
 }
 
 # -----------------------------------------------------------------------------
 # telegram sender
 
 send_telegram() {
-	local bottoken="${1}" chatids="${2}" message="${3}" httpcode sent=0 chatid emoji disableNotification=""
-
-	if [ "${status}" = "CLEAR" ]; then disableNotification="--data-urlencode disable_notification=true"; fi
-
-	case "${status}" in
-	WARNING) emoji="⚠️" ;;
-	CRITICAL) emoji="🔴" ;;
-	CLEAR) emoji="✅" ;;
-	*) emoji="⚪️" ;;
-	esac
-
-	if [ "${SEND_TELEGRAM}" = "YES" ] && [ -n "${bottoken}" ] && [ -n "${chatids}" ] && [ -n "${message}" ]; then
-		for chatid in ${chatids}; do
-			# https://core.telegram.org/bots/api#sendmessage
-			httpcode=$(docurl ${disableNotification} \
-				--data-urlencode "parse_mode=HTML" \
-				--data-urlencode "disable_web_page_preview=true" \
-				--data-urlencode "text=${emoji} ${message}" \
-				"https://api.telegram.org/bot${bottoken}/sendMessage?chat_id=${chatid}")
-
-			if [ "${httpcode}" = "200" ]; then
-				info "sent telegram notification for: ${host} ${chart}.${name} is ${status} to '${chatid}'"
-				sent=$((sent + 1))
-			elif [ "${httpcode}" = "401" ]; then
-				error "failed to send telegram notification for: ${host} ${chart}.${name} is ${status} to '${chatid}': Wrong bot token."
-			else
-				error "failed to send telegram notification for: ${host} ${chart}.${name} is ${status} to '${chatid}' with HTTP error code ${httpcode}."
-			fi
-		done
-
-		[ ${sent} -gt 0 ] && return 0
-	fi
-
-	return 1
+  local bottoken="${1}" chatids="${2}" message="${3}" httpcode sent=0 chatid emoji disableNotification=""
+
+  if [ "${status}" = "CLEAR" ]; then disableNotification="--data-urlencode disable_notification=true"; fi
+
+  case "${status}" in
+  WARNING) emoji="⚠️" ;;
+  CRITICAL) emoji="🔴" ;;
+  CLEAR) emoji="✅" ;;
+  *) emoji="⚪️" ;;
+  esac
+
+  if [ "${SEND_TELEGRAM}" = "YES" ] && [ -n "${bottoken}" ] && [ -n "${chatids}" ] && [ -n "${message}" ]; then
+    for chatid in ${chatids}; do
+      # https://core.telegram.org/bots/api#sendmessage
+      httpcode=$(docurl ${disableNotification} \
+        --data-urlencode "parse_mode=HTML" \
+        --data-urlencode "disable_web_page_preview=true" \
+        --data-urlencode "text=${emoji} ${message}" \
+        "https://api.telegram.org/bot${bottoken}/sendMessage?chat_id=${chatid}")
+
+      if [ "${httpcode}" = "200" ]; then
+        info "sent telegram notification for: ${host} ${chart}.${name} is ${status} to '${chatid}'"
+        sent=$((sent + 1))
+      elif [ "${httpcode}" = "401" ]; then
+        error "failed to send telegram notification for: ${host} ${chart}.${name} is ${status} to '${chatid}': Wrong bot token."
+      else
+        error "failed to send telegram notification for: ${host} ${chart}.${name} is ${status} to '${chatid}' with HTTP response status code ${httpcode}."
+      fi
+    done
+
+    [ ${sent} -gt 0 ] && return 0
+  fi
+
+  return 1
 }
 
 # -----------------------------------------------------------------------------
@@ -1163,22 +1265,22 @@ send_telegram() {
 
 send_msteam() {
 
-	local webhook="${1}" channels="${2}" httpcode sent=0 channel color payload
+  local webhook="${1}" channels="${2}" httpcode sent=0 channel color payload
 
-	[ "${SEND_MSTEAM}" != "YES" ] && return 1
+  [ "${SEND_MSTEAM}" != "YES" ] && return 1
 
-	case "${status}" in
-	WARNING) icon="${MSTEAM_ICON_WARNING}" && color="${MSTEAM_COLOR_WARNING}" ;;
-	CRITICAL) icon="${MSTEAM_ICON_CRITICAL}" && color="${MSTEAM_COLOR_CRITICAL}" ;;
-	CLEAR) icon="${MSTEAM_ICON_CLEAR}" && color="${MSTEAM_COLOR_CLEAR}" ;;
-	*) icon="${MSTEAM_ICON_DEFAULT}" && color="${MSTEAM_COLOR_DEFAULT}" ;;
-	esac
+  case "${status}" in
+  WARNING) icon="${MSTEAM_ICON_WARNING}" && color="${MSTEAM_COLOR_WARNING}" ;;
+  CRITICAL) icon="${MSTEAM_ICON_CRITICAL}" && color="${MSTEAM_COLOR_CRITICAL}" ;;
+  CLEAR) icon="${MSTEAM_ICON_CLEAR}" && color="${MSTEAM_COLOR_CLEAR}" ;;
+  *) icon="${MSTEAM_ICON_DEFAULT}" && color="${MSTEAM_COLOR_DEFAULT}" ;;
+  esac
 
-	for channel in ${channels}; do
-		## More details are available here regarding the payload syntax options : https://docs.microsoft.com/en-us/outlook/actionable-messages/message-card-reference
-		## Online designer : https://acdesignerbeta.azurewebsites.net/
-		payload="$(
-			cat <<EOF
+  for channel in ${channels}; do
+    ## More details are available here regarding the payload syntax options : https://docs.microsoft.com/en-us/outlook/actionable-messages/message-card-reference
+    ## Online designer : https://acdesignerbeta.azurewebsites.net/
+    payload="$(
+      cat <<EOF
         {
             "@context": "http://schema.org/extensions",
             "@type": "MessageCard",
@@ -1196,55 +1298,55 @@ send_msteam() {
             ]
         }
 EOF
-		)"
+    )"
 
-		# Replacing in the webhook CHANNEL string by the MS Teams channel name from conf file.
-		webhook="${webhook//CHANNEL/${channel}}"
+    # Replacing in the webhook CHANNEL string by the MS Teams channel name from conf file.
+    webhook="${webhook//CHANNEL/${channel}}"
 
-		httpcode=$(docurl -H "Content-Type: application/json" -d "${payload}" "${webhook}")
+    httpcode=$(docurl -H "Content-Type: application/json" -d "${payload}" "${webhook}")
 
-		if [ "${httpcode}" = "200" ]; then
-			info "sent Microsoft team notification for: ${host} ${chart}.${name} is ${status} to '${webhook}'"
-			sent=$((sent + 1))
-		else
-			error "failed to send Microsoft team notification for: ${host} ${chart}.${name} is ${status} to '${webhook}', with HTTP error code ${httpcode}."
-		fi
-	done
+    if [ "${httpcode}" = "200" ]; then
+      info "sent Microsoft team notification for: ${host} ${chart}.${name} is ${status} to '${webhook}'"
+      sent=$((sent + 1))
+    else
+      error "failed to send Microsoft team notification for: ${host} ${chart}.${name} is ${status} to '${webhook}', with HTTP response status code ${httpcode}."
+    fi
+  done
 
-	[ ${sent} -gt 0 ] && return 0
+  [ ${sent} -gt 0 ] && return 0
 
-	return 1
+  return 1
 }
 
 # slack sender
 
 send_slack() {
-	local webhook="${1}" channels="${2}" httpcode sent=0 channel color payload
-
-	[ "${SEND_SLACK}" != "YES" ] && return 1
-
-	case "${status}" in
-	WARNING) color="warning" ;;
-	CRITICAL) color="danger" ;;
-	CLEAR) color="good" ;;
-	*) color="#777777" ;;
-	esac
-
-	for channel in ${channels}; do
-		# Default entry in the recipient is without a hash in front (backwards-compatible). Accept specification of channel or user.
-		if [ "${channel::1}" != "#" ] && [ "${channel::1}" != "@" ]; then channel="#$channel"; fi
-
-		# If channel is equal to "#" then do not send the channel attribute at all. Slack also defines channels and users in webhooks.
-		if [ "${channel}" = "#" ]; then
-			ch=""
-			chstr="without specifying a channel"
-		else
-			ch="\"channel\": \"${channel}\","
-			chstr="to '${channel}'"
-		fi
-
-		payload="$(
-			cat <<EOF
+  local webhook="${1}" channels="${2}" httpcode sent=0 channel color payload
+
+  [ "${SEND_SLACK}" != "YES" ] && return 1
+
+  case "${status}" in
+  WARNING) color="warning" ;;
+  CRITICAL) color="danger" ;;
+  CLEAR) color="good" ;;
+  *) color="#777777" ;;
+  esac
+
+  for channel in ${channels}; do
+    # Default entry in the recipient is without a hash in front (backwards-compatible). Accept specification of channel or user.
+    if [ "${channel::1}" != "#" ] && [ "${channel::1}" != "@" ]; then channel="#$channel"; fi
+
+    # If channel is equal to "#" then do not send the channel attribute at all. Slack also defines channels and users in webhooks.
+    if [ "${channel}" = "#" ]; then
+      ch=""
+      chstr="without specifying a channel"
+    else
+      ch="\"channel\": \"${channel}\","
+      chstr="to '${channel}'"
+    fi
+
+    payload="$(
+      cat <<EOF
         {
             $ch
             "username": "netdata on ${host}",
@@ -1274,40 +1376,40 @@ send_slack() {
             ]
         }
 EOF
-		)"
+    )"
 
-		httpcode=$(docurl -X POST --data-urlencode "payload=${payload}" "${webhook}")
-		if [ "${httpcode}" = "200" ]; then
-			info "sent slack notification for: ${host} ${chart}.${name} is ${status} ${chstr}"
-			sent=$((sent + 1))
-		else
-			error "failed to send slack notification for: ${host} ${chart}.${name} is ${status} ${chstr}, with HTTP error code ${httpcode}."
-		fi
-	done
+    httpcode=$(docurl -X POST --data-urlencode "payload=${payload}" "${webhook}")
+    if [ "${httpcode}" = "200" ]; then
+      info "sent slack notification for: ${host} ${chart}.${name} is ${status} ${chstr}"
+      sent=$((sent + 1))
+    else
+      error "failed to send slack notification for: ${host} ${chart}.${name} is ${status} ${chstr}, with HTTP response status code ${httpcode}."
+    fi
+  done
 
-	[ ${sent} -gt 0 ] && return 0
+  [ ${sent} -gt 0 ] && return 0
 
-	return 1
+  return 1
 }
 
 # -----------------------------------------------------------------------------
 # rocketchat sender
 
 send_rocketchat() {
-	local webhook="${1}" channels="${2}" httpcode sent=0 channel color payload
+  local webhook="${1}" channels="${2}" httpcode sent=0 channel color payload
 
-	[ "${SEND_ROCKETCHAT}" != "YES" ] && return 1
+  [ "${SEND_ROCKETCHAT}" != "YES" ] && return 1
 
-	case "${status}" in
-	WARNING) color="warning" ;;
-	CRITICAL) color="danger" ;;
-	CLEAR) color="good" ;;
-	*) color="#777777" ;;
-	esac
+  case "${status}" in
+  WARNING) color="warning" ;;
+  CRITICAL) color="danger" ;;
+  CLEAR) color="good" ;;
+  *) color="#777777" ;;
+  esac
 
-	for channel in ${channels}; do
-		payload="$(
-			cat <<EOF
+  for channel in ${channels}; do
+    payload="$(
+      cat <<EOF
         {
             "channel": "#${channel}",
             "alias": "netdata on ${host}",
@@ -1337,48 +1439,48 @@ send_rocketchat() {
             ]
         }
 EOF
-		)"
+    )"
 
-		httpcode=$(docurl -X POST --data-urlencode "payload=${payload}" "${webhook}")
-		if [ "${httpcode}" = "200" ]; then
-			info "sent rocketchat notification for: ${host} ${chart}.${name} is ${status} to '${channel}'"
-			sent=$((sent + 1))
-		else
-			error "failed to send rocketchat notification for: ${host} ${chart}.${name} is ${status} to '${channel}', with HTTP error code ${httpcode}."
-		fi
-	done
+    httpcode=$(docurl -X POST --data-urlencode "payload=${payload}" "${webhook}")
+    if [ "${httpcode}" = "200" ]; then
+      info "sent rocketchat notification for: ${host} ${chart}.${name} is ${status} to '${channel}'"
+      sent=$((sent + 1))
+    else
+      error "failed to send rocketchat notification for: ${host} ${chart}.${name} is ${status} to '${channel}', with HTTP response status code ${httpcode}."
+    fi
+  done
 
-	[ ${sent} -gt 0 ] && return 0
+  [ ${sent} -gt 0 ] && return 0
 
-	return 1
+  return 1
 }
 
 # -----------------------------------------------------------------------------
 # alerta sender
 
 send_alerta() {
-	local webhook="${1}" channels="${2}" httpcode sent=0 channel severity resource event payload auth
-
-	[ "${SEND_ALERTA}" != "YES" ] && return 1
-
-	case "${status}" in
-	CRITICAL) severity="critical" ;;
-	WARNING) severity="warning" ;;
-	CLEAR) severity="cleared" ;;
-	*) severity="indeterminate" ;;
-	esac
-
-	if [[ ${chart} == httpcheck* ]]; then
-		resource=$chart
-		event=$name
-	else
-		resource="${host}:${family}"
-		event="${chart}.${name}"
-	fi
-
-	for channel in ${channels}; do
-		payload="$(
-			cat <<EOF
+  local webhook="${1}" channels="${2}" httpcode sent=0 channel severity resource event payload auth
+
+  [ "${SEND_ALERTA}" != "YES" ] && return 1
+
+  case "${status}" in
+  CRITICAL) severity="critical" ;;
+  WARNING) severity="warning" ;;
+  CLEAR) severity="cleared" ;;
+  *) severity="indeterminate" ;;
+  esac
+
+  if [[ ${chart} == httpcheck* ]]; then
+    resource=$chart
+    event=$name
+  else
+    resource="${host}:${family}"
+    event="${chart}.${name}"
+  fi
+
+  for channel in ${channels}; do
+    payload="$(
+      cat <<EOF
         {
             "resource": "${resource}",
             "event": "${event}",
@@ -1402,46 +1504,46 @@ send_alerta() {
             "rawData": "${BASH_ARGV[@]}"
         }
 EOF
-		)"
+    )"
 
-		if [ -n "${ALERTA_API_KEY}" ]; then
-			auth="Key ${ALERTA_API_KEY}"
-		fi
+    if [ -n "${ALERTA_API_KEY}" ]; then
+      auth="Key ${ALERTA_API_KEY}"
+    fi
 
-		httpcode=$(docurl -X POST "${webhook}/alert" -H "Content-Type: application/json" -H "Authorization: $auth" --data "${payload}")
+    httpcode=$(docurl -X POST "${webhook}/alert" -H "Content-Type: application/json" -H "Authorization: $auth" --data "${payload}")
 
-		if [ "${httpcode}" = "200" ] || [ "${httpcode}" = "201" ]; then
-			info "sent alerta notification for: ${host} ${chart}.${name} is ${status} to '${channel}'"
-			sent=$((sent + 1))
-		elif [ "${httpcode}" = "202" ]; then
-			info "suppressed alerta notification for: ${host} ${chart}.${name} is ${status} to '${channel}'"
-		else
-			error "failed to send alerta notification for: ${host} ${chart}.${name} is ${status} to '${channel}', with HTTP error code ${httpcode}."
-		fi
-	done
+    if [ "${httpcode}" = "200" ] || [ "${httpcode}" = "201" ]; then
+      info "sent alerta notification for: ${host} ${chart}.${name} is ${status} to '${channel}'"
+      sent=$((sent + 1))
+    elif [ "${httpcode}" = "202" ]; then
+      info "suppressed alerta notification for: ${host} ${chart}.${name} is ${status} to '${channel}'"
+    else
+      error "failed to send alerta notification for: ${host} ${chart}.${name} is ${status} to '${channel}', with HTTP response status code ${httpcode}."
+    fi
+  done
 
-	[ ${sent} -gt 0 ] && return 0
+  [ ${sent} -gt 0 ] && return 0
 
-	return 1
+  return 1
 }
 
 # -----------------------------------------------------------------------------
 # flock sender
 
 send_flock() {
-	local webhook="${1}" channels="${2}" httpcode sent=0 channel color payload
+  local webhook="${1}" channels="${2}" httpcode sent=0 channel color payload
 
-	[ "${SEND_FLOCK}" != "YES" ] && return 1
+  [ "${SEND_FLOCK}" != "YES" ] && return 1
 
-	case "${status}" in
-	WARNING) color="warning" ;;
-	CRITICAL) color="danger" ;;
-	CLEAR) color="good" ;;
-	*) color="#777777" ;;
-	esac
+  case "${status}" in
+  WARNING) color="warning" ;;
+  CRITICAL) color="danger" ;;
+  CLEAR) color="good" ;;
+  *) color="#777777" ;;
+  esac
 
-	for channel in ${channels}; do
-		httpcode=$(docurl -X POST "${webhook}" -H "Content-Type: application/json" -d "{
+  for channel in ${channels}; do
+    httpcode=$(docurl -X POST "${webhook}" -H "Content-Type: application/json" -d "{
             \"sendAs\": {
                 \"name\" : \"netdata on ${host}\",
                 \"profileImage\" : \"${images_base_url}/images/banner-icon-144x144.png\"
@@ -1465,40 +1567,40 @@ send_flock() {
                 }
             ]
         }")
-		if [ "${httpcode}" = "200" ]; then
-			info "sent flock notification for: ${host} ${chart}.${name} is ${status} to '${channel}'"
-			sent=$((sent + 1))
-		else
-			error "failed to send flock notification for: ${host} ${chart}.${name} is ${status} to '${channel}', with HTTP error code ${httpcode}."
-		fi
-	done
+    if [ "${httpcode}" = "200" ]; then
+      info "sent flock notification for: ${host} ${chart}.${name} is ${status} to '${channel}'"
+      sent=$((sent + 1))
+    else
+      error "failed to send flock notification for: ${host} ${chart}.${name} is ${status} to '${channel}', with HTTP response status code ${httpcode}."
+    fi
+  done
 
-	[ ${sent} -gt 0 ] && return 0
+  [ ${sent} -gt 0 ] && return 0
 
-	return 1
+  return 1
 }
 
 # -----------------------------------------------------------------------------
 # discord sender
 
 send_discord() {
-	local webhook="${1}/slack" channels="${2}" httpcode sent=0 channel color payload username
+  local webhook="${1}/slack" channels="${2}" httpcode sent=0 channel color payload username
 
-	[ "${SEND_DISCORD}" != "YES" ] && return 1
+  [ "${SEND_DISCORD}" != "YES" ] && return 1
 
-	case "${status}" in
-	WARNING) color="warning" ;;
-	CRITICAL) color="danger" ;;
-	CLEAR) color="good" ;;
-	*) color="#777777" ;;
-	esac
+  case "${status}" in
+  WARNING) color="warning" ;;
+  CRITICAL) color="danger" ;;
+  CLEAR) color="good" ;;
+  *) color="#777777" ;;
+  esac
 
-	for channel in ${channels}; do
-		username="netdata on ${host}"
-		[ ${#username} -gt 32 ] && username="${username:0:29}..."
+  for channel in ${channels}; do
+    username="netdata on ${host}"
+    [ ${#username} -gt 32 ] && username="${username:0:29}..."
 
-		payload="$(
-			cat <<EOF
+    payload="$(
+      cat <<EOF
         {
             "channel": "#${channel}",
             "username": "${username}",
@@ -1524,240 +1626,285 @@ send_discord() {
             ]
         }
 EOF
-		)"
+    )"
 
-		httpcode=$(docurl -X POST --data-urlencode "payload=${payload}" "${webhook}")
-		if [ "${httpcode}" = "200" ]; then
-			info "sent discord notification for: ${host} ${chart}.${name} is ${status} to '${channel}'"
-			sent=$((sent + 1))
-		else
-			error "failed to send discord notification for: ${host} ${chart}.${name} is ${status} to '${channel}', with HTTP error code ${httpcode}."
-		fi
-	done
+    httpcode=$(docurl -X POST --data-urlencode "payload=${payload}" "${webhook}")
+    if [ "${httpcode}" = "200" ]; then
+      info "sent discord notification for: ${host} ${chart}.${name} is ${status} to '${channel}'"
+      sent=$((sent + 1))
+    else
+      error "failed to send discord notification for: ${host} ${chart}.${name} is ${status} to '${channel}', with HTTP response status code ${httpcode}."
+    fi
+  done
 
-	[ ${sent} -gt 0 ] && return 0
+  [ ${sent} -gt 0 ] && return 0
 
-	return 1
+  return 1
 }
 
 # -----------------------------------------------------------------------------
 # fleep sender
 
 send_fleep() {
-	local httpcode sent=0 webhooks="${1}" data message
-	if [ "${SEND_FLEEP}" = "YES" ]; then
-		message="${host} ${status_message}, \`${chart}\` (${family}), *${alarm}*\\n${info}"
-
-		for hook in ${webhooks}; do
-			data="{ "
-			data="${data} 'message': '${message}', "
-			data="${data} 'user': '${FLEEP_SENDER}' "
-			data="${data} }"
-
-			httpcode=$(docurl -X POST --data "${data}" "https://fleep.io/hook/${hook}")
-
-			if [ "${httpcode}" = "200" ]; then
-				info "sent fleep data for: ${host} ${chart}.${name} is ${status} and user '${FLEEP_SENDER}'"
-				sent=$((sent + 1))
-			else
-				error "failed to send fleep data for: ${host} ${chart}.${name} is ${status} and user '${FLEEP_SENDER}' with HTTP error code ${httpcode}."
-			fi
-		done
-
-		[ ${sent} -gt 0 ] && return 0
-	fi
-
-	return 1
+  local httpcode sent=0 webhooks="${1}" data message
+  if [ "${SEND_FLEEP}" = "YES" ]; then
+    message="${host} ${status_message}, \`${chart}\` (${family}), *${alarm}*\\n${info}"
+
+    for hook in ${webhooks}; do
+      data="{ "
+      data="${data} 'message': '${message}', "
+      data="${data} 'user': '${FLEEP_SENDER}' "
+      data="${data} }"
+
+      httpcode=$(docurl -X POST --data "${data}" "https://fleep.io/hook/${hook}")
+
+      if [ "${httpcode}" = "200" ]; then
+        info "sent fleep data for: ${host} ${chart}.${name} is ${status} and user '${FLEEP_SENDER}'"
+        sent=$((sent + 1))
+      else
+        error "failed to send fleep data for: ${host} ${chart}.${name} is ${status} and user '${FLEEP_SENDER}' with HTTP response status code ${httpcode}."
+      fi
+    done
+
+    [ ${sent} -gt 0 ] && return 0
+  fi
+
+  return 1
 }
 
 # -----------------------------------------------------------------------------
 # Prowl sender
 
 send_prowl() {
-	local httpcode sent=0 data message keys prio=0 alarm_url event
-	if [ "${SEND_PROWL}" = "YES" ]; then
-		message="$(urlencode "${host} ${status_message}, \`${chart}\` (${family}), *${alarm}*\\n${info}")"
-		message="description=${message}"
-		keys="$(urlencode "$(echo "${1}" | tr ' ' ,)")"
-		keys="apikey=${keys}"
-		app="application=Netdata"
-
-		case "${status}" in
-		CRITICAL)
-			prio=2
-			;;
-		WARNING)
-			prio=1
-			;;
-		esac
-		prio="priority=${prio}"
-
-		alarm_url="$(urlencode ${goto_url})"
-		alarm_url="url=${alarm_url}"
-		event="$(urlencode "${host} ${status_message}")"
-		event="event=${event}"
-
-		data="${keys}&${prio}&${alarm_url}&${app}&${event}&${message}"
-
-		httpcode=$(docurl -X POST --data "${data}" "https://api.prowlapp.com/publicapi/add")
-
-		if [ "${httpcode}" = "200" ]; then
-			info "sent prowl data for: ${host} ${chart}.${name} is ${status}"
-			sent=1
-		else
-			error "failed to send prowl data for: ${host} ${chart}.${name} is ${status} with with error code ${httpcode}."
-		fi
-
-		[ ${sent} -gt 0 ] && return 0
-	fi
-
-	return 1
+  local httpcode sent=0 data message keys prio=0 alarm_url event
+  if [ "${SEND_PROWL}" = "YES" ]; then
+    message="$(urlencode "${host} ${status_message}, \`${chart}\` (${family}), *${alarm}*\\n${info}")"
+    message="description=${message}"
+    keys="$(urlencode "$(echo "${1}" | tr ' ' ,)")"
+    keys="apikey=${keys}"
+    app="application=Netdata"
+
+    case "${status}" in
+    CRITICAL)
+      prio=2
+      ;;
+    WARNING)
+      prio=1
+      ;;
+    esac
+    prio="priority=${prio}"
+
+    alarm_url="$(urlencode ${goto_url})"
+    alarm_url="url=${alarm_url}"
+    event="$(urlencode "${host} ${status_message}")"
+    event="event=${event}"
+
+    data="${keys}&${prio}&${alarm_url}&${app}&${event}&${message}"
+
+    httpcode=$(docurl -X POST --data "${data}" "https://api.prowlapp.com/publicapi/add")
+
+    if [ "${httpcode}" = "200" ]; then
+      info "sent prowl data for: ${host} ${chart}.${name} is ${status}"
+      sent=1
+    else
+      error "failed to send prowl data for: ${host} ${chart}.${name} is ${status} with with error code ${httpcode}."
+    fi
+
+    [ ${sent} -gt 0 ] && return 0
+  fi
+
+  return 1
 }
 
 # -----------------------------------------------------------------------------
 # irc sender
 
 send_irc() {
-	local NICKNAME="${1}" REALNAME="${2}" CHANNELS="${3}" NETWORK="${4}" SERVERNAME="${5}" MESSAGE="${6}" sent=0 channel color send_alarm reply_codes error
-
-	if [ "${SEND_IRC}" = "YES" ] && [ -n "${NICKNAME}" ] && [ -n "${REALNAME}" ] && [ -n "${CHANNELS}" ] && [ -n "${NETWORK}" ] && [ -n "${SERVERNAME}" ]; then
-		case "${status}" in
-		WARNING) color="warning" ;;
-		CRITICAL) color="danger" ;;
-		CLEAR) color="good" ;;
-		*) color="#777777" ;;
-		esac
-
-		SNDMESSAGE="${MESSAGE//$'\n'/", "}"
-		for CHANNEL in ${CHANNELS}; do
-			error=0
-			send_alarm=$(echo -e "USER ${NICKNAME} guest ${REALNAME} ${SERVERNAME}\\nNICK ${NICKNAME}\\nJOIN ${CHANNEL}\\nPRIVMSG ${CHANNEL} :${SNDMESSAGE}\\nQUIT\\n" \  | nc "${NETWORK}" 6667)
-			reply_codes=$(echo "${send_alarm}" | cut -d ' ' -f 2 | grep -o '[0-9]*')
-			for code in ${reply_codes}; do
-				if [ "${code}" -ge 400 ] && [ "${code}" -le 599 ]; then
-					error=1
-					break
-				fi
-			done
-
-			if [ "${error}" -eq 0 ]; then
-				info "sent irc notification for: ${host} ${chart}.${name} is ${status} to '${CHANNEL}'"
-				sent=$((sent + 1))
-			else
-				error "failed to send irc notification for: ${host} ${chart}.${name} is ${status} to '${CHANNEL}', with error code ${code}."
-			fi
-		done
-	fi
-
-	[ ${sent} -gt 0 ] && return 0
-
-	return 1
+  local NICKNAME="${1}" REALNAME="${2}" CHANNELS="${3}" NETWORK="${4}" SERVERNAME="${5}" MESSAGE="${6}" sent=0 channel color send_alarm reply_codes error
+
+  if [ "${SEND_IRC}" = "YES" ] && [ -n "${NICKNAME}" ] && [ -n "${REALNAME}" ] && [ -n "${CHANNELS}" ] && [ -n "${NETWORK}" ] && [ -n "${SERVERNAME}" ]; then
+    case "${status}" in
+    WARNING) color="warning" ;;
+    CRITICAL) color="danger" ;;
+    CLEAR) color="good" ;;
+    *) color="#777777" ;;
+    esac
+
+    SNDMESSAGE="${MESSAGE//$'\n'/", "}"
+    for CHANNEL in ${CHANNELS}; do
+      error=0
+      send_alarm=$(echo -e "USER ${NICKNAME} guest ${REALNAME} ${SERVERNAME}\\nNICK ${NICKNAME}\\nJOIN ${CHANNEL}\\nPRIVMSG ${CHANNEL} :${SNDMESSAGE}\\nQUIT\\n" \  | nc "${NETWORK}" 6667)
+      reply_codes=$(echo "${send_alarm}" | cut -d ' ' -f 2 | grep -o '[0-9]*')
+      for code in ${reply_codes}; do
+        if [ "${code}" -ge 400 ] && [ "${code}" -le 599 ]; then
+          error=1
+          break
+        fi
+      done
+
+      if [ "${error}" -eq 0 ]; then
+        info "sent irc notification for: ${host} ${chart}.${name} is ${status} to '${CHANNEL}'"
+        sent=$((sent + 1))
+      else
+        error "failed to send irc notification for: ${host} ${chart}.${name} is ${status} to '${CHANNEL}', with error code ${code}."
+      fi
+    done
+  fi
+
+  [ ${sent} -gt 0 ] && return 0
+
+  return 1
 }
 
 # -----------------------------------------------------------------------------
 # Amazon SNS sender
 
 send_awssns() {
-	local targets="${1}" message='' sent=0 region=''
-	local default_format="${status} on ${host} at ${date}: ${chart} ${value_string}"
+  local targets="${1}" message='' sent=0 region=''
+  local default_format="${status} on ${host} at ${date}: ${chart} ${value_string}"
 
-	[ "${SEND_AWSSNS}" = "YES" ] || return 1
+  [ "${SEND_AWSSNS}" = "YES" ] || return 1
 
-	message=${AWSSNS_MESSAGE_FORMAT:-${default_format}}
+  message=${AWSSNS_MESSAGE_FORMAT:-${default_format}}
 
-	for target in ${targets}; do
-		# Extract the region from the target ARN.  We need to explicitly specify the region so that it matches up correctly.
-		region="$(echo ${target} | cut -f 4 -d ':')"
-		if ${aws} sns publish --region "${region}" --subject "${host} ${status_message} - ${name//_/ } - ${chart}" --message "${message}" --target-arn ${target} &>/dev/null; then
-			info "sent Amazon SNS notification for: ${host} ${chart}.${name} is ${status} to '${target}'"
-			sent=$((sent + 1))
-		else
-			error "failed to send Amazon SNS notification for: ${host} ${chart}.${name} is ${status} to '${target}'"
-		fi
-	done
+  for target in ${targets}; do
+    # Extract the region from the target ARN.  We need to explicitly specify the region so that it matches up correctly.
+    region="$(echo ${target} | cut -f 4 -d ':')"
+    if ${aws} sns publish --region "${region}" --subject "${host} ${status_message} - ${name//_/ } - ${chart}" --message "${message}" --target-arn ${target} &>/dev/null; then
+      info "sent Amazon SNS notification for: ${host} ${chart}.${name} is ${status} to '${target}'"
+      sent=$((sent + 1))
+    else
+      error "failed to send Amazon SNS notification for: ${host} ${chart}.${name} is ${status} to '${target}'"
+    fi
+  done
 
-	[ ${sent} -gt 0 ] && return 0
+  [ ${sent} -gt 0 ] && return 0
 
-	return 1
+  return 1
+}
+
+# -----------------------------------------------------------------------------
+# Matrix sender
+
+send_matrix() {
+  local homeserver="${1}" webhook accesstoken rooms="${2}" httpcode sent=0 payload
+
+  [ "${SEND_MATRIX}" != "YES" ] && return 1
+  [ -z "${MATRIX_ACCESSTOKEN}" ] && return 1
+
+  accesstoken="${MATRIX_ACCESSTOKEN}"
+
+  case "${status}" in
+  WARNING) emoji="⚠️" ;;
+  CRITICAL) emoji="🔴" ;;
+  CLEAR) emoji="✅" ;;
+  *) emoji="⚪️" ;;
+  esac
+
+  for room in ${rooms}; do
+    webhook="$homeserver/_matrix/client/r0/rooms/$(urlencode $room)/send/m.room.message?access_token=$accesstoken"
+    payload="$(
+  cat <<EOF
+  {
+    "msgtype": "m.notice",
+    "format": "org.matrix.custom.html",
+      "formatted_body": "${emoji} ${host} ${status_message} - <b>${name//_/ }</b><br>${chart} (${family})<br><a href=\"${goto_url}\">${alarm}</a><br><i>${info}</i>",
+      "body": "${emoji} ${host} ${status_message} - ${name//_/ } ${chart} (${family}) ${goto_url} ${alarm} ${info}"
+  }
+EOF
+    )"
+
+    httpcode=$(docurl -X POST --data "${payload}" "${webhook}")
+    if [ "${httpcode}" == "200" ]; then
+      info "sent Matrix notification for: ${host} ${chart}.${name} is ${status} to '${room}'"
+      sent=$((sent + 1))
+    else
+      error "failed to send Matrix notification for: ${host} ${chart}.${name} is ${status} to '${room}', with HTTP response status code ${httpcode}."
+    fi
+  done
+
+  [ ${sent} -gt 0 ] && return 0
+
+  return 1
 }
 
 # -----------------------------------------------------------------------------
 # syslog sender
 
 send_syslog() {
-	local facility=${SYSLOG_FACILITY:-"local6"} level='info' targets="${1}"
-	local priority='' message='' host='' port='' prefix=''
-	local temp1='' temp2=''
-
-	[ "${SEND_SYSLOG}" = "YES" ] || return 1
-
-	if [ "${status}" = "CRITICAL" ]; then
-		level='crit'
-	elif [ "${status}" = "WARNING" ]; then
-		level='warning'
-	fi
-
-	for target in ${targets}; do
-		priority="${facility}.${level}"
-		message=''
-		host=''
-		port=''
-		prefix=''
-		temp1=''
-		temp2=''
-
-		prefix=$(echo ${target} | cut -d '/' -f 2)
-		temp1=$(echo ${target} | cut -d '/' -f 1)
-
-		if [ ${prefix} != ${temp1} ]; then
-			if (echo ${temp1} | grep -q '@'); then
-				temp2=$(echo ${temp1} | cut -d '@' -f 1)
-				host=$(echo ${temp1} | cut -d '@' -f 2)
-
-				if [ ${temp2} != ${host} ]; then
-					priority=${temp2}
-				fi
-
-				port=$(echo ${host} | rev | cut -d ':' -f 1 | rev)
-
-				if (echo ${host} | grep -E -q '\[.*\]'); then
-					if (echo ${port} | grep -q ']'); then
-						port=''
-					else
-						host=$(echo ${host} | rev | cut -d ':' -f 2- | rev)
-					fi
-				else
-					if [ ${port} = ${host} ]; then
-						port=''
-					else
-						host=$(echo ${host} | cut -d ':' -f 1)
-					fi
-				fi
-			else
-				priority=${temp1}
-			fi
-		fi
-
-		message="${prefix} ${status} on ${host} at ${date}: ${chart} ${value_string}"
-
-		if [ ${host} ]; then
-			logger_options="${logger_options} -n ${host}"
-			if [ ${port} ]; then
-				logger_options="${logger_options} -P ${port}"
-			fi
-		fi
-
-		${logger} -p ${priority} ${logger_options} "${message}"
-	done
-
-	return $?
+  local facility=${SYSLOG_FACILITY:-"local6"} level='info' targets="${1}"
+  local priority='' message='' server='' port='' prefix=''
+  local temp1='' temp2=''
+
+  [ "${SEND_SYSLOG}" = "YES" ] || return 1
+
+  if [ "${status}" = "CRITICAL" ]; then
+    level='crit'
+  elif [ "${status}" = "WARNING" ]; then
+    level='warning'
+  fi
+
+  for target in ${targets}; do
+    priority="${facility}.${level}"
+    message=''
+    server=''
+    port=''
+    prefix=''
+    temp1=''
+    temp2=''
+
+    prefix=$(echo ${target} | cut -d '/' -f 2)
+    temp1=$(echo ${target} | cut -d '/' -f 1)
+
+    if [ ${prefix} != ${temp1} ]; then
+      if (echo ${temp1} | grep -q '@'); then
+        temp2=$(echo ${temp1} | cut -d '@' -f 1)
+        server=$(echo ${temp1} | cut -d '@' -f 2)
+
+        if [ ${temp2} != ${server} ]; then
+          priority=${temp2}
+        fi
+
+        port=$(echo ${server} | rev | cut -d ':' -f 1 | rev)
+
+        if (echo ${server} | grep -E -q '\[.*\]'); then
+          if (echo ${port} | grep -q ']'); then
+            port=''
+          else
+            server=$(echo ${server} | rev | cut -d ':' -f 2- | rev)
+          fi
+        else
+          if [ ${port} = ${server} ]; then
+            port=''
+          else
+            server=$(echo ${server} | cut -d ':' -f 1)
+          fi
+        fi
+      else
+        priority=${temp1}
+      fi
+    fi
+
+    message="${prefix} ${status} on ${host} at ${date}: ${chart} ${value_string}"
+
+    if [ ${server} ]; then
+      logger_options="${logger_options} -n ${server}"
+      if [ ${port} ]; then
+        logger_options="${logger_options} -P ${port}"
+      fi
+    fi
+
+    ${logger} -p ${priority} ${logger_options} "${message}"
+  done
+
+  return $?
 }
 
 # -----------------------------------------------------------------------------
 # SMS sender
 
 send_sms() {
-	local recipients="${1}" errcode errmessage sent=0
+  local recipients="${1}" errcode errmessage sent=0
 
     # Human readable SMS
     local msg="${host} ${status_message}: ${chart} (${family}), ${alarm}"
@@ -1765,129 +1912,283 @@ send_sms() {
     # limit it to 160 characters
     msg="${msg:0:160}"
 
-	if [ "${SEND_SMS}" = "YES" ] && [ -n "${sendsms}" ] && [ -n "${recipients}" ] && [ -n "${msg}" ]; then
-		# http://api.kavenegar.com/v1/{API-KEY}/sms/send.json
-		for phone in ${recipients}; do
-			errmessage=$($sendsms $phone "$msg" 2>&1)
-			errcode=$?
-			if [ ${errcode} -eq 0 ]; then
-				info "sent smstools3 SMS for: ${host} ${chart}.${name} is ${status} to '${user}'"
-				sent=$((sent + 1))
-			else
-				error "failed to send smstools3 SMS for: ${host} ${chart}.${name} is ${status} to '${user}' with error code ${errcode}: ${errmessage}."
-			fi
-		done
-
-		[ ${sent} -gt 0 ] && return 0
-	fi
-
-	return 1
+  if [ "${SEND_SMS}" = "YES" ] && [ -n "${sendsms}" ] && [ -n "${recipients}" ] && [ -n "${msg}" ]; then
+    # http://api.kavenegar.com/v1/{API-KEY}/sms/send.json
+    for phone in ${recipients}; do
+      errmessage=$($sendsms $phone "$msg" 2>&1)
+      errcode=$?
+      if [ ${errcode} -eq 0 ]; then
+        info "sent smstools3 SMS for: ${host} ${chart}.${name} is ${status} to '${user}'"
+        sent=$((sent + 1))
+      else
+        error "failed to send smstools3 SMS for: ${host} ${chart}.${name} is ${status} to '${user}' with error code ${errcode}: ${errmessage}."
+      fi
+    done
+
+    [ ${sent} -gt 0 ] && return 0
+  fi
+
+  return 1
 }
 
 # -----------------------------------------------------------------------------
 # hangouts sender
 
 send_hangouts() {
-	local rooms="${1}" httpcode sent=0 room color payload webhook
-
-	[ "${SEND_HANGOUTS}" != "YES" ] && return 1
-
-	case "${status}" in
-	WARNING) color="#ffa700" ;;
-	CRITICAL) color="#d62d20" ;;
-	CLEAR) color="#008744" ;;
-	*) color="#777777" ;;
-	esac
-
-	for room in ${rooms}; do
-		if [ -z "${HANGOUTS_WEBHOOK_URI[$room]}" ] ; then
-			info "Can't send Hangouts notification for: ${host} ${chart}.${name} to room ${room}. HANGOUTS_WEBHOOK_URI[$room] not defined"
-		else
-			webhook="${HANGOUTS_WEBHOOK_URI[$room]}"
-			payload="$(
-				cat <<EOF
-				{
-					"cards": [
-						{
-							"header": {
-								"title": "Netdata on ${host}",
-								"imageUrl": "${images_base_url}/images/banner-icon-144x144.png",
-								"imageStyle": "IMAGE"
-							},
-							"sections": [
-								{
-									"header": "<b>${host}</b>",
-									"widgets": [
-										{
-											"keyValue": {
-												"topLabel": "Status Message",
-												"content": "<b>${status_message}</b>",
-												"contentMultiline": "true",
-												"iconUrl": "${image}",
-												"onClick": {
-													"openLink": {
-														"url": "${goto_url}"
-													}
-												}
-											}
-										},
-										{
-											"keyValue": {
-												"topLabel": "${chart} | ${family}",
-												"content": "<font color=${color}>${alarm}</font>",
-												"contentMultiline": "true"
-											}
-										}
-									]
-								},
-								{
-									"widgets": [
-										{
-											"textParagraph": {
-											"text": "<font color=\"#0057e7\">@ ${date}\n<b>${info}</b></font>"
-											}
-										}
-									]
-								},
-								{
-									"widgets": [
-										{
-											"buttons": [
-												{
-													"textButton": {
-														"text": "Go to ${host}",
-														"onClick": {
-															"openLink": {
-																"url": "${goto_url}"
-															}
-														}
-													}
-												}
-											]
-										}
-									]
-								}
-							]
-						}
-					]
-				}
+  local rooms="${1}" httpcode sent=0 room color payload webhook thread
+
+  [ "${SEND_HANGOUTS}" != "YES" ] && return 1
+
+  case "${status}" in
+  WARNING) color="#ffa700" ;;
+  CRITICAL) color="#d62d20" ;;
+  CLEAR) color="#008744" ;;
+  *) color="#777777" ;;
+  esac
+
+  for room in ${rooms}; do
+    if [ -z "${HANGOUTS_WEBHOOK_URI[$room]}" ] ; then
+      info "Can't send Hangouts notification for: ${host} ${chart}.${name} to room ${room}. HANGOUTS_WEBHOOK_URI[$room] not defined"
+    else
+      if [ -n "${HANGOUTS_WEBHOOK_THREAD[$room]}" ]; then
+        thread="\"name\" : \"${HANGOUTS_WEBHOOK_THREAD[$room]}\""
+      fi
+      webhook="${HANGOUTS_WEBHOOK_URI[$room]}"
+      payload="$(
+        cat <<EOF
+        {
+          "cards": [
+            {
+              "header": {
+                "title": "Netdata on ${host}",
+                "imageUrl": "${images_base_url}/images/banner-icon-144x144.png",
+                "imageStyle": "IMAGE"
+              },
+              "sections": [
+                {
+                  "header": "<b>${host}</b>",
+                  "widgets": [
+                    {
+                      "keyValue": {
+                        "topLabel": "Status Message",
+                        "content": "<b>${status_message}</b>",
+                        "contentMultiline": "true",
+                        "iconUrl": "${image}",
+                        "onClick": {
+                          "openLink": {
+                            "url": "${goto_url}"
+                          }
+                        }
+                      }
+                    },
+                    {
+                      "keyValue": {
+                        "topLabel": "${chart} | ${family}",
+                        "content": "<font color=${color}>${alarm}</font>",
+                        "contentMultiline": "true"
+                      }
+                    }
+                  ]
+                },
+                {
+                  "widgets": [
+                    {
+                      "textParagraph": {
+                      "text": "<font color=\"#0057e7\">@ ${date}\n<b>${info}</b></font>"
+                      }
+                    }
+                  ]
+                },
+                {
+                  "widgets": [
+                    {
+                      "buttons": [
+                        {
+                          "textButton": {
+                            "text": "Go to ${host}",
+                            "onClick": {
+                              "openLink": {
+                                "url": "${goto_url}"
+                              }
+                            }
+                          }
+                        }
+                      ]
+                    }
+                  ]
+                }
+              ]
+            }
+          ],
+          "thread": {
+            $thread
+          }
+        }
 EOF
-				)"
+        )"
 
-			httpcode=$(docurl -H "Content-Type: application/json" -X POST -d "${payload}" "${webhook}")
+      httpcode=$(docurl -H "Content-Type: application/json" -X POST -d "${payload}" "${webhook}")
 
-			if [ "${httpcode}" = "200" ]; then
-				info "sent hangouts notification for: ${host} ${chart}.${name} is ${status} to '${room}'"
-				sent=$((sent + 1))
-			else
-				error "failed to send hangouts notification for: ${host} ${chart}.${name} is ${status} to '${room}', with HTTP error code ${httpcode}."
-			fi
-		fi
-	done
+      if [ "${httpcode}" = "200" ]; then
+        info "sent hangouts notification for: ${host} ${chart}.${name} is ${status} to '${room}'"
+        sent=$((sent + 1))
+      else
+        error "failed to send hangouts notification for: ${host} ${chart}.${name} is ${status} to '${room}', with HTTP response status code ${httpcode}."
+      fi
+    fi
+  done
 
-	[ ${sent} -gt 0 ] && return 0
+  [ ${sent} -gt 0 ] && return 0
+
+  return 1
+}
 
-	return 1
+# -----------------------------------------------------------------------------
+# Dynatrace sender
+
+send_dynatrace() {
+  [ "${SEND_DYNATRACE}" != "YES" ] && return 1
+
+  local dynatrace_url="${DYNATRACE_SERVER}/e/${DYNATRACE_SPACE}/api/v1/events"
+  local description="NetData Notification for: ${host} ${chart}.${name} is ${status}"
+  local payload=""
+  
+  payload=$(cat <<EOF
+{
+  "title": "NetData Alarm from ${host}",
+  "source" : "${DYNATRACE_ANNOTATION_TYPE}",
+  "description" : "${description}",
+  "eventType": "${DYNATRACE_EVENT}",
+   "attachRules":{
+     "tagRule":[{
+        "meTypes":["HOST"],
+        "tags":["${DYNATRACE_TAG_VALUE}"]
+     }]
+  },
+  "customProperties":{
+    "description": "${description}"
+  }
+}
+EOF
+)
+
+  # echo ${payload}
+
+  httpcode=$(docurl -X POST  -H "Authorization: Api-token ${DYNATRACE_TOKEN}"  -H "Content-Type: application/json" -d "${payload}"    ${dynatrace_url})
+  ret=$?
+
+
+  if [ ${ret} -eq 0 ]; then
+     if [ "${httpcode}" = "200" ]; then
+        info "sent ${DYNATRACE_EVENT} to ${DYNATRACE_SERVER}"
+        return 0
+     else
+        warning "Dynatrace ${DYNATRACE_SERVER} responded ${httpcode} notification for: ${host} ${chart}.${name} is ${status} was not sent!"
+        return 1
+     fi
+  else
+     error  "failed to sent ${DYNATRACE_EVENT} notification for: ${host} ${chart}.${name} is ${status} to  ${DYNATRACE_SERVER} with error code ${ret}."
+     return 1
+  fi
+}
+
+
+# -----------------------------------------------------------------------------
+# Stackpulse sender
+
+send_stackpulse() {
+  local payload httpcode oldv currv
+  [ "${SEND_STACKPULSE}" != "YES" ] && return 1
+
+  # We are sending null when values are nan to avoid errors while JSON message is parsed
+  [ "${old_value}" != "nan" ] && oldv="${old_value}" ||  oldv="null"
+  [ "${value}" != "nan" ] && currv="${value}" || currv="null"
+
+  payload=$(cat <<EOF
+  {
+    "Node" : "${host}",
+    "Chart" : "${chart}",
+    "OldValue" : ${oldv},
+    "Value" : ${currv},
+    "Units" : "${units}",
+    "OldStatus" : "${old_status}",
+    "Status" : "${status}",
+    "Alarm" : "${name}",
+    "Date": ${when},
+    "Duration": ${duration},
+    "NonClearDuration": ${non_clear_duration},
+    "Description" : "${status_message}, ${info}",
+    "CalcExpression" : "${calc_expression}",
+    "CalcParamValues" : "${calc_param_values}",
+    "TotalWarnings" : "${total_warnings}",
+    "TotalCritical" : "${total_critical}",
+    "ID" : ${alarm_id}
+  }
+EOF
+)
+
+  httpcode=$(docurl -X POST -H "Content-Type: application/json" -d "${payload}" ${STACKPULSE_WEBHOOK})
+  if [ "${httpcode}" = "200" ]; then
+    info "sent stackpulse notification for: ${host} ${chart}.${name} is ${status}"
+  else
+    error "failed to send stackpulse notification for: ${host} ${chart}.${name} is ${status}, with HTTP response status code ${httpcode}."
+    return 1
+  fi
+
+  return 0
+}
+# -----------------------------------------------------------------------------
+# Opsgenie sender
+
+send_opsgenie() {
+  local payload httpcode oldv currv
+  [ "${SEND_OPSGENIE}" != "YES" ] && return 1
+
+  if [ -z "${OPSGENIE_API_KEY}" ] ; then
+    info "Can't send Opsgenie notification, because OPSGENIE_API_KEY is not defined"
+    return 1
+  fi
+
+  # We are sending null when values are nan to avoid errors while JSON message is parsed
+  [ "${old_value}" != "nan" ] && oldv="${old_value}" ||  oldv="null"
+  [ "${value}" != "nan" ] && currv="${value}" || currv="null"
+
+  payload=$(cat <<EOF
+  {
+    "host" : "${host}",
+    "unique_id" : "${unique_id}",
+    "alarmId" : ${alarm_id},
+    "eventId" : ${event_id},
+    "chart" : "${chart}",
+    "when": ${when},
+    "name" : "${name}",
+    "family" : "${family}",
+    "status" : "${status}",
+    "old_status" : "${old_status}",
+    "value" : ${currv},
+    "old_value" : ${oldv},
+    "duration": ${duration},
+    "non_clear_duration": ${non_clear_duration},
+    "units" : "${units}",
+    "info" : "${status_message}, ${info}",
+    "calc_expression" : "${calc_expression}",
+    "total_warnings" : "${total_warnings}",
+    "total_critical" : "${total_critical}",
+    "src" : "${src}"
+  }
+EOF
+)
+
+  httpcode=$(docurl -X POST -H "Content-Type: application/json" -d "${payload}" "https://api.opsgenie.com/v1/json/integrations/webhooks/netdata?apiKey=${OPSGENIE_API_KEY}")
+  # https://docs.opsgenie.com/docs/alert-api#create-alert
+  if [ "${httpcode}" = "200" ]; then
+    info "sent opsgenie notification for: ${host} ${chart}.${name} is ${status}"
+  else
+    error "failed to send opsgenie notification for: ${host} ${chart}.${name} is ${status}, with HTTP error code ${httpcode}."
+    return 1
+  fi
+
+  return 0
 }
 
 # -----------------------------------------------------------------------------
@@ -1907,20 +2208,22 @@ redirect_params="host=${url_host}&chart=${url_chart}&family=${url_family}&alarm=
 GOTOCLOUD=0
 
 if [ "${NETDATA_REGISTRY_URL}" == "https://registry.my-netdata.io" ]; then
-	if [ -z "${NETDATA_REGISTRY_UNIQUE_ID}" ]; then
-		if [ -f "@registrydir_POST@/netdata.public.unique.id" ]; then
-			NETDATA_REGISTRY_UNIQUE_ID="$(cat "@registrydir_POST@/netdata.public.unique.id")"
-		fi
-	fi
-	if [ -n "${NETDATA_REGISTRY_UNIQUE_ID}" ]; then
-		GOTOCLOUD=1
-	fi
+  if [ -z "${NETDATA_REGISTRY_UNIQUE_ID}" ]; then
+    if [ -f "@registrydir_POST@/netdata.public.unique.id" ]; then
+      NETDATA_REGISTRY_UNIQUE_ID="$(cat "@registrydir_POST@/netdata.public.unique.id")"
+    fi
+  fi
+  if [ -n "${NETDATA_REGISTRY_UNIQUE_ID}" ]; then
+    GOTOCLOUD=1
+  fi
 fi
 
 if [ ${GOTOCLOUD} -eq 0 ]; then
-	goto_url="${NETDATA_REGISTRY_URL}/goto-host-from-alarm.html?${redirect_params}"
+  goto_url="${NETDATA_REGISTRY_URL}/goto-host-from-alarm.html?${redirect_params}"
 else
-	goto_url="${NETDATA_REGISTRY_CLOUD_BASE_URL}/alarms/redirect?agentID=${NETDATA_REGISTRY_UNIQUE_ID}&${redirect_params}"
+  # Temporarily disable alarm redirection, as the cloud endpoint no longer exists. This functionality will be restored after discussion on #9487. For now, just lead to netdata.cloud
+  #goto_url="${NETDATA_REGISTRY_CLOUD_BASE_URL}/alarms/redirect?agentID=${NETDATA_REGISTRY_UNIQUE_ID}&${redirect_params}"
+  goto_url="${NETDATA_REGISTRY_CLOUD_BASE_URL}"
 fi
 
 # the severity of the alarm
@@ -1948,48 +2251,48 @@ image="${images_base_url}/images/banner-icon-144x144.png"
 # prepare the title based on status
 case "${status}" in
 CRITICAL)
-	image="${images_base_url}/images/alert-128-red.png"
-	status_message="is critical"
-	color="#ca414b"
-	;;
+  image="${images_base_url}/images/alert-128-red.png"
+  status_message="is critical"
+  color="#ca414b"
+  ;;
 
 WARNING)
-	image="${images_base_url}/images/alert-128-orange.png"
-	status_message="needs attention"
-	color="#ffc107"
-	;;
+  image="${images_base_url}/images/alert-128-orange.png"
+  status_message="needs attention"
+  color="#ffc107"
+  ;;
 
 CLEAR)
-	image="${images_base_url}/images/check-mark-2-128-green.png"
-	status_message="recovered"
-	color="#77ca6d"
-	;;
+  image="${images_base_url}/images/check-mark-2-128-green.png"
+  status_message="recovered"
+  color="#77ca6d"
+  ;;
 esac
 
 if [ "${status}" = "CLEAR" ]; then
-	severity="Recovered from ${old_status}"
-	if [ ${non_clear_duration} -gt ${duration} ]; then
-		raised_for="(alarm was raised for ${non_clear_duration_txt})"
-	fi
+  severity="Recovered from ${old_status}"
+  if [ ${non_clear_duration} -gt ${duration} ]; then
+    raised_for="(alarm was raised for ${non_clear_duration_txt})"
+  fi
 
-	# don't show the value when the status is CLEAR
-	# for certain alarms, this value might not have any meaning
-	alarm="${name//_/ } ${raised_for}"
+  # don't show the value when the status is CLEAR
+  # for certain alarms, this value might not have any meaning
+  alarm="${name//_/ } ${raised_for}"
 
 elif { [ "${old_status}" = "WARNING" ] && [ "${status}" = "CRITICAL" ]; }; then
-	severity="Escalated to ${status}"
-	if [ ${non_clear_duration} -gt ${duration} ]; then
-		raised_for="(alarm is raised for ${non_clear_duration_txt})"
-	fi
+  severity="Escalated to ${status}"
+  if [ ${non_clear_duration} -gt ${duration} ]; then
+    raised_for="(alarm is raised for ${non_clear_duration_txt})"
+  fi
 
 elif { [ "${old_status}" = "CRITICAL" ] && [ "${status}" = "WARNING" ]; }; then
-	severity="Demoted to ${status}"
-	if [ ${non_clear_duration} -gt ${duration} ]; then
-		raised_for="(alarm is raised for ${non_clear_duration_txt})"
-	fi
+  severity="Demoted to ${status}"
+  if [ ${non_clear_duration} -gt ${duration} ]; then
+    raised_for="(alarm is raised for ${non_clear_duration_txt})"
+  fi
 
 else
-	raised_for=
+  raised_for=
 fi
 
 # prepare HTML versions of elements
@@ -2179,14 +2482,14 @@ SENT_SMS=$?
 # send the custom message
 
 send_custom() {
-	# is it enabled?
-	[ "${SEND_CUSTOM}" != "YES" ] && return 1
+  # is it enabled?
+  [ "${SEND_CUSTOM}" != "YES" ] && return 1
 
-	# do we have any sender?
-	[ -z "${1}" ] && return 1
+  # do we have any sender?
+  [ -z "${1}" ] && return 1
 
-	# call the custom_sender function
-	custom_sender "${@}"
+  # call the custom_sender function
+  custom_sender "${@}"
 }
 
 send_custom "${to_custom}"
@@ -2214,6 +2517,13 @@ send_awssns "${to_awssns}"
 SENT_AWSSNS=$?
 
 # -----------------------------------------------------------------------------
+#  send the Matrix message
+send_matrix "${MATRIX_HOMESERVER}" "${to_matrix}"
+
+SENT_MATRIX=$?
+
+
+# -----------------------------------------------------------------------------
 # send the syslog message
 
 send_syslog "${to_syslog}"
@@ -2394,35 +2704,54 @@ fi
 SENT_EMAIL=$?
 
 # -----------------------------------------------------------------------------
+# send the EVENT to Dynatrace
+send_dynatrace "${host}" "${chart}" "${name}"  "${status}"
+SENT_DYNATRACE=$?
+
+# -----------------------------------------------------------------------------
+# send the EVENT to Stackpulse
+send_stackpulse
+SENT_STACKPULSE=$?
+
+# -----------------------------------------------------------------------------
+# send messages to Opsgenie
+send_opsgenie
+SENT_OPSGENIE=$?
+
+# -----------------------------------------------------------------------------
 # let netdata know
 for state in "${SENT_EMAIL}" \
-	"${SENT_PUSHOVER}" \
-	"${SENT_TELEGRAM}" \
-	"${SENT_SLACK}" \
-	"${SENT_HANGOUTS}" \
-	"${SENT_ROCKETCHAT}" \
-	"${SENT_ALERTA}" \
-	"${SENT_FLOCK}" \
-	"${SENT_DISCORD}" \
-	"${SENT_TWILIO}" \
-	"${SENT_HIPCHAT}" \
-	"${SENT_MESSAGEBIRD}" \
-	"${SENT_KAVENEGAR}" \
-	"${SENT_PUSHBULLET}" \
-	"${SENT_KAFKA}" \
-	"${SENT_PD}" \
-	"${SENT_FLEEP}" \
-	"${SENT_PROWL}" \
-	"${SENT_CUSTOM}" \
-	"${SENT_IRC}" \
-	"${SENT_AWSSNS}" \
-	"${SENT_SYSLOG}" \
-	"${SENT_SMS}" \
-	"${SENT_MSTEAM}"; do
-	if [ "${state}" -eq 0 ]; then
-		# we sent something
-		exit 0
-	fi
+  "${SENT_PUSHOVER}" \
+  "${SENT_TELEGRAM}" \
+  "${SENT_SLACK}" \
+  "${SENT_HANGOUTS}" \
+  "${SENT_ROCKETCHAT}" \
+  "${SENT_ALERTA}" \
+  "${SENT_FLOCK}" \
+  "${SENT_DISCORD}" \
+  "${SENT_TWILIO}" \
+  "${SENT_HIPCHAT}" \
+  "${SENT_MESSAGEBIRD}" \
+  "${SENT_KAVENEGAR}" \
+  "${SENT_PUSHBULLET}" \
+  "${SENT_KAFKA}" \
+  "${SENT_PD}" \
+  "${SENT_FLEEP}" \
+  "${SENT_PROWL}" \
+  "${SENT_CUSTOM}" \
+  "${SENT_IRC}" \
+  "${SENT_AWSSNS}" \
+  "${SENT_MATRIX}" \
+  "${SENT_SYSLOG}" \
+  "${SENT_SMS}" \
+  "${SENT_MSTEAM}" \
+  "${SENT_DYNATRACE}" \
+  "${SENT_STACKPULSE}" \
+  "${SENT_OPSGENIE}"; do
+  if [ "${state}" -eq 0 ]; then
+    # we sent something
+    exit 0
+  fi
 done
 # we did not send anything
 exit 1