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authorDaniel Baumann <daniel.baumann@progress-linux.org>2019-04-26 16:22:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2019-04-26 16:22:55 +0000
commitcaf1a5281f9e974ba73ceded3a782db3d0142c5f (patch)
treea09197b1fd2e984a0e8598e7007deb2a8e1969d7 /health/notifications/alarm-notify.sh
parentReleasing debian version 1.14.0~rc0-1. (diff)
downloadnetdata-caf1a5281f9e974ba73ceded3a782db3d0142c5f.tar.xz
netdata-caf1a5281f9e974ba73ceded3a782db3d0142c5f.zip
Merging upstream version 1.14.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'health/notifications/alarm-notify.sh')
-rw-r--r--health/notifications/alarm-notify.sh2268
1 files changed, 2268 insertions, 0 deletions
diff --git a/health/notifications/alarm-notify.sh b/health/notifications/alarm-notify.sh
new file mode 100644
index 000000000..5a0e1f96e
--- /dev/null
+++ b/health/notifications/alarm-notify.sh
@@ -0,0 +1,2268 @@
+#!/usr/bin/env bash
+#shellcheck source=/dev/null disable=SC2086,SC2154
+
+# netdata
+# real-time performance and health monitoring, done right!
+# (C) 2017 Costa Tsaousis <costa@tsaousis.gr>
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
+# Script to send alarm notifications for netdata
+#
+# Features:
+# - multiple notification methods
+# - multiple roles per alarm
+# - multiple recipients per role
+# - severity filtering per recipient
+#
+# Supported notification methods:
+# - emails by @ktsaou
+# - slack.com notifications by @ktsaou
+# - alerta.io notifications by @kattunga
+# - discordapp.com notifications by @lowfive
+# - pushover.net notifications by @ktsaou
+# - pushbullet.com push notifications by Tiago Peralta @tperalta82 #1070
+# - telegram.org notifications by @hashworks #1002
+# - twilio.com notifications by Levi Blaney @shadycuz #1211
+# - kafka notifications by @ktsaou #1342
+# - pagerduty.com notifications by Jim Cooley @jimcooley #1373
+# - messagebird.com notifications by @tech_no_logical #1453
+# - hipchat notifications by @ktsaou #1561
+# - fleep notifications by @Ferroin
+# - prowlapp.com notifications by @Ferroin
+# - custom notifications by @ktsaou
+# - syslog messages by @Ferroin
+# - Microsoft Team notification by @tioumen
+# - RocketChat notifications by @Hermsi1337 #3777
+
+# -----------------------------------------------------------------------------
+# 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 $test_res
+fi
+
+export PATH="${PATH}:/sbin:/usr/sbin:/usr/local/sbin"
+export LC_ALL=C
+
+# -----------------------------------------------------------------------------
+
+PROGRAM_NAME="$(basename "${0}")"
+
+logdate() {
+ date "+%Y-%m-%d %H:%M:%S"
+}
+
+log() {
+ local status="${1}"
+ shift
+
+ echo >&2 "$(logdate): ${PROGRAM_NAME}: ${status}: ${*}"
+
+}
+
+warning() {
+ log WARNING "${@}"
+}
+
+error() {
+ log ERROR "${@}"
+}
+
+info() {
+ log INFO "${@}"
+}
+
+fatal() {
+ log FATAL "${@}"
+ exit 1
+}
+
+debug=${NETDATA_ALARM_NOTIFY_DEBUG-0}
+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 $?
+}
+
+# -----------------------------------------------------------------------------
+# List of all the notification mechanisms we support.
+# Used in a couple of places to write more compact code.
+
+method_names="
+email
+pushover
+pushbullet
+telegram
+slack
+alerta
+flock
+discord
+hipchat
+twilio
+messagebird
+pd
+fleep
+syslog
+custom
+msteam
+kavenegar
+prowl
+awssns
+rocketchat
+sms
+"
+
+# -----------------------------------------------------------------------------
+# this is to be overwritten by the config file
+
+custom_sender() {
+ 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 ${BASH_VERSION})."
+fi
+
+# -----------------------------------------------------------------------------
+# defaults to allow running this script by hand
+
+[ -z "${NETDATA_USER_CONFIG_DIR}" ] && NETDATA_USER_CONFIG_DIR="/etc/netdata"
+[ -z "${NETDATA_STOCK_CONFIG_DIR}" ] && NETDATA_STOCK_CONFIG_DIR="/usr/lib/netdata/conf.d"
+[ -z "${NETDATA_CACHE_DIR}" ] && NETDATA_CACHE_DIR="/var/cache/netdata"
+[ -z "${NETDATA_REGISTRY_URL}" ] && NETDATA_REGISTRY_URL="https://registry.my-netdata.io"
+
+# -----------------------------------------------------------------------------
+# 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="${5}" # the previous status: REMOVED, UNINITIALIZED, UNDEFINED, CLEAR, WARNING, CRITICAL
+else
+ roles="${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
+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}"
+else
+ host="${args_host}"
+fi
+
+# -----------------------------------------------------------------------------
+# screen statuses we don't need to send a notification
+
+# don't do anything if this is not WARNING, CRITICAL or CLEAR
+if [ "${status}" != "WARNING" ] && [ "${status}" != "CRITICAL" ] && [ "${status}" != "CLEAR" ]; then
+ info "not sending notification for ${status} of '${host}.${chart}.${name}'"
+ exit 1
+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
+fi
+
+# -----------------------------------------------------------------------------
+# load configuration
+
+# By default fetch images from the global public registry.
+# This is required by default, since all notification methods need to download
+# images via the Internet, and private registries might not be reachable.
+# This can be overwritten at the configuration file.
+images_base_url="https://registry.my-netdata.io"
+
+# curl options to use
+curl_options=""
+
+# hostname handling
+use_fqdn="NO"
+
+# needed commands
+# if empty they will be searched in the system path
+curl=
+sendmail=
+
+# enable / disable features
+for method_name in ${method_names^^}; do
+ declare SEND_${method_name}="YES"
+ declare DEFAULT_RECIPIENT_${method_name}
+done
+
+for method_name in ${method_names}; do
+ declare -A role_recipients_${method_name}
+done
+
+# slack configs
+SLACK_WEBHOOK_URL=
+
+# Microsoft Team configs
+MSTEAM_WEBHOOK_URL=
+
+# rocketchat configs
+ROCKETCHAT_WEBHOOK_URL=
+
+# alerta configs
+ALERTA_WEBHOOK_URL=
+ALERTA_API_KEY=
+
+# flock configs
+FLOCK_WEBHOOK_URL=
+
+# discord configs
+DISCORD_WEBHOOK_URL=
+
+# pushover configs
+PUSHOVER_APP_TOKEN=
+
+# pushbullet configs
+PUSHBULLET_ACCESS_TOKEN=
+PUSHBULLET_SOURCE_DEVICE=
+
+# twilio configs
+TWILIO_ACCOUNT_SID=
+TWILIO_ACCOUNT_TOKEN=
+TWILIO_NUMBER=
+
+# hipchat configs
+HIPCHAT_SERVER=
+HIPCHAT_AUTH_TOKEN=
+
+# messagebird configs
+MESSAGEBIRD_ACCESS_KEY=
+MESSAGEBIRD_NUMBER=
+
+# kavenegar configs
+KAVENEGAR_API_KEY=
+KAVENEGAR_SENDER=
+
+# telegram configs
+TELEGRAM_BOT_TOKEN=
+
+# kafka configs
+SEND_KAFKA="YES"
+KAFKA_URL=
+KAFKA_SENDER_IP=
+
+# pagerduty.com configs
+PD_SERVICE_KEY=
+
+# fleep.io configs
+FLEEP_SENDER="${host}"
+
+# Amazon SNS configs
+AWSSNS_MESSAGE_FORMAT=
+
+# syslog configs
+SYSLOG_FACILITY=
+
+# email configs
+EMAIL_SENDER=
+EMAIL_CHARSET=$(locale charmap 2>/dev/null)
+EMAIL_THREADING=
+
+# irc configs
+IRC_NICKNAME=
+IRC_REALNAME=
+IRC_NETWORK=
+
+# 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
+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
+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 ${EMAIL_CHARSET} ]; then
+ EMAIL_CHARSET="UTF-8"
+fi
+
+# If we've been asked to use FQDN's for the URL's in the alarm, do so,
+# unless we're sending an alarm for a slave system which we can't get the
+# FQDN of easily.
+if [ "${use_fqdn}" = "YES" ] && [ "${host}" = "$(hostname -s 2>/dev/null)" ]; then
+ 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 ${method}: BLOCK: recipient should not receive this notification"
+ return 1
+}
+
+# -----------------------------------------------------------------------------
+# verify the delivery methods supported
+
+# check slack
+[ -z "${SLACK_WEBHOOK_URL}" ] && SEND_SLACK="NO"
+
+# check rocketchat
+[ -z "${ROCKETCHAT_WEBHOOK_URL}" ] && SEND_ROCKETCHAT="NO"
+
+# check alerta
+[ -z "${ALERTA_WEBHOOK_URL}" ] && SEND_ALERTA="NO"
+
+# check flock
+[ -z "${FLOCK_WEBHOOK_URL}" ] && SEND_FLOCK="NO"
+
+# check discord
+[ -z "${DISCORD_WEBHOOK_URL}" ] && SEND_DISCORD="NO"
+
+# check pushover
+[ -z "${PUSHOVER_APP_TOKEN}" ] && SEND_PUSHOVER="NO"
+
+# check pushbullet
+[ -z "${PUSHBULLET_ACCESS_TOKEN}" ] && SEND_PUSHBULLET="NO"
+
+# check twilio
+{ [ -z "${TWILIO_ACCOUNT_TOKEN}" ] || [ -z "${TWILIO_ACCOUNT_SID}" ] || [ -z "${TWILIO_NUMBER}" ]; } && SEND_TWILIO="NO"
+
+# check hipchat
+[ -z "${HIPCHAT_AUTH_TOKEN}" ] && SEND_HIPCHAT="NO"
+
+# check messagebird
+{ [ -z "${MESSAGEBIRD_ACCESS_KEY}" ] || [ -z "${MESSAGEBIRD_NUMBER}" ]; } && SEND_MESSAGEBIRD="NO"
+
+# check kavenegar
+{ [ -z "${KAVENEGAR_API_KEY}" ] || [ -z "${KAVENEGAR_SENDER}" ]; } && SEND_KAVENEGAR="NO"
+
+# check telegram
+[ -z "${TELEGRAM_BOT_TOKEN}" ] && SEND_TELEGRAM="NO"
+
+# check kafka
+{ [ -z "${KAFKA_URL}" ] || [ -z "${KAFKA_SENDER_IP}" ]; } && SEND_KAFKA="NO"
+
+# check irc
+[ -z "${IRC_NETWORK}" ] && SEND_IRC="NO"
+
+# check fleep
+#shellcheck disable=SC2153
+{ [ -z "${FLEEP_SERVER}" ] || [ -z "${FLEEP_SENDER}" ]; } && SEND_FLEEP="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" ] ||
+ [ "${SEND_CUSTOM}" = "YES" ] ||
+ [ "${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 "${curl}" ]; then
+ error "Cannot find curl command in the system path. Disabling all curl based notifications."
+ SEND_PUSHOVER="NO"
+ SEND_PUSHBULLET="NO"
+ SEND_TELEGRAM="NO"
+ SEND_SLACK="NO"
+ SEND_MSTEAM="NO"
+ SEND_ROCKETCHAT="NO"
+ SEND_ALERTA="NO"
+ SEND_PD="NO"
+ SEND_FLOCK="NO"
+ SEND_DISCORD="NO"
+ SEND_TWILIO="NO"
+ SEND_HIPCHAT="NO"
+ SEND_MESSAGEBIRD="NO"
+ SEND_KAVENEGAR="NO"
+ SEND_KAFKA="NO"
+ SEND_FLEEP="NO"
+ SEND_PROWL="NO"
+ SEND_CUSTOM="NO"
+ fi
+fi
+
+if [ "${SEND_SMS}" = "YES" ]; then
+ if [ -z "${sendsms}" ]; then
+ sendsms="$(command -v sendsms 2>/dev/null)"
+ fi
+ if [ -z "${sendsms}" ]; then
+ SEND_SMS="NO"
+ fi
+fi
+# if we need sendmail, check for the sendmail command
+if [ "${SEND_EMAIL}" = "YES" ] && [ -z "${sendmail}" ]; then
+ sendmail="$(command -v sendmail 2>/dev/null)"
+ if [ -z "${sendmail}" ]; then
+ debug "Cannot find sendmail command in the system path. Disabling email notifications."
+ SEND_EMAIL="NO"
+ fi
+fi
+
+# if we need logger, check for the logger command
+if [ "${SEND_SYSLOG}" = "YES" ] && [ -z "${logger}" ]; then
+ logger="$(command -v logger 2>/dev/null)"
+ if [ -z "${logger}" ]; then
+ debug "Cannot find logger command in the system path. Disabling syslog notifications."
+ SEND_SYSLOG="NO"
+ fi
+fi
+
+# if we need aws, check for the aws command
+if [ "${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
+fi
+
+# -----------------------------------------------------------------------------
+# find the recipients' addresses per method
+
+# 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 ${send_var}="NO"
+done
+
+# -----------------------------------------------------------------------------
+# handle fixup of the email recipient list.
+
+fix_to_email() {
+ to_email=
+ while [ -n "${1}" ]; do
+ [ -n "${to_email}" ] && to_email="${to_email}, "
+ to_email="${to_email}${1}"
+ shift 1
+ done
+}
+
+# ${to_email} without quotes here
+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}: ${!to_var}"
+ done
+ exit 0
+fi
+
+# -----------------------------------------------------------------------------
+# check that we have at least a method enabled
+proceed=0
+for method in "${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_CUSTOM}" \
+ "${SEND_IRC}" \
+ "${SEND_AWSSNS}" \
+ "${SEND_SYSLOG}" \
+ "${SEND_SMS}" \
+ "${SEND_MSTEAM}"; do
+ if [ "${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 '${status}'."
+fi
+
+# -----------------------------------------------------------------------------
+# get the date the alarm happened
+
+date=$(date --date=@${when} "${date_format}" 2>/dev/null)
+[ -z "${date}" ] && date=$(date "${date_format}" 2>/dev/null)
+[ -z "${date}" ] && date=$(date --date=@${when} 2>/dev/null)
+[ -z "${date}" ] && date=$(date 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}@${host}>\\nReferences: <${chart}-${name}@${host}>"
+else
+ 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 "${REPLY}"
+}
+
+# -----------------------------------------------------------------------------
+# function to convert a duration in seconds, to a human readable duration
+# using DAYS, MINUTES, SECONDS
+
+duration4human() {
+ local s="${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 "${REPLY}"
+}
+
+# -----------------------------------------------------------------------------
+# email sender
+
+send_email() {
+ local ret opts=() sender_email="${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 ${ret}."
+ return 1
+ fi
+ fi
+
+ return 1
+}
+
+# -----------------------------------------------------------------------------
+# pushover sender
+
+send_pushover() {
+ local apptoken="${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
+
+ [ ${sent} -gt 0 ] && return 0
+ fi
+
+ return 1
+}
+
+# -----------------------------------------------------------------------------
+# pushbullet sender
+
+send_pushbullet() {
+ local userapikey="${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: '${userapikey}'' \
+ --header 'Content-Type: application/json' \
+ --data-binary @<(
+ cat <<EOF
+ {"title": "${title}",
+ "type": "link",
+ "email": "${user}",
+ "body": "$(echo -n ${message})",
+ "url": "${url}",
+ "source_device_iden": "${source_device}"}
+EOF
+ ) "https://api.pushbullet.com/v2/pushes" -X POST)
+
+ if [ "${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
+
+ [ ${sent} -gt 0 ] && return 0
+ fi
+
+ return 1
+}
+
+# -----------------------------------------------------------------------------
+# kafka sender
+
+send_kafka() {
+ local httpcode sent=0
+ if [ "${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
+
+ [ ${sent} -gt 0 ] && return 0
+ fi
+
+ return 1
+}
+
+# -----------------------------------------------------------------------------
+# pagerduty.com sender
+
+send_pd() {
+ local recipients="${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
+ {
+ "service_key": "${PD_SERVICE_KEY}",
+ "event_type": "${t}",
+ "incident_key" : "${alarm_id}",
+ "description": "${d}",
+ "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}"
+ }
+ }
+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
+
+ [ ${sent} -gt 0 ] && return 0
+ fi
+
+ return 1
+}
+
+# -----------------------------------------------------------------------------
+# twilio sender
+
+send_twilio() {
+ local accountsid="${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
+
+ [ ${sent} -gt 0 ] && return 0
+ fi
+
+ return 1
+}
+
+# -----------------------------------------------------------------------------
+# hipchat sender
+
+send_hipchat() {
+ local authtoken="${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
+
+ [ ${sent} -gt 0 ] && return 0
+ fi
+
+ return 1
+}
+
+# -----------------------------------------------------------------------------
+# messagebird sender
+
+send_messagebird() {
+ local accesskey="${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
+
+ [ ${sent} -gt 0 ] && return 0
+ fi
+
+ return 1
+}
+
+# -----------------------------------------------------------------------------
+# kavenegar sender
+
+send_kavenegar() {
+ local API_KEY="${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
+
+ [ ${sent} -gt 0 ] && return 0
+ fi
+
+ return 1
+}
+
+# -----------------------------------------------------------------------------
+# telegram sender
+
+send_telegram() {
+ local bottoken="${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
+
+ [ ${sent} -gt 0 ] && return 0
+ fi
+
+ return 1
+}
+
+# -----------------------------------------------------------------------------
+# Microsoft Team sender
+
+send_msteam() {
+
+ local webhook="${1}" channels="${2}" httpcode sent=0 channel color payload
+
+ [ "${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
+
+ 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",
+ "themeColor": "${color}",
+ "title": "$icon Alert ${status} from netdata for ${host}",
+ "text": "${host} ${status_message}, ${chart} (_${family}_), *${alarm}*",
+ "potentialAction": [
+ {
+ "@type": "OpenUri",
+ "name": "Netdata",
+ "targets": [
+ { "os": "default", "uri": "${goto_url}" }
+ ]
+ }
+ ]
+ }
+EOF
+ )"
+
+ # 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}" "${webhook}")
+
+ if [ "${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
+
+ [ ${sent} -gt 0 ] && return 0
+
+ return 1
+}
+
+# slack sender
+
+send_slack() {
+ local webhook="${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
+ {
+ $ch
+ "username": "netdata on ${host}",
+ "icon_url": "${images_base_url}/images/banner-icon-144x144.png",
+ "text": "${host} ${status_message}, \`${chart}\` (_${family}_), *${alarm}*",
+ "attachments": [
+ {
+ "fallback": "${alarm} - ${chart} (${family}) - ${info}",
+ "color": "${color}",
+ "title": "${alarm}",
+ "title_link": "${goto_url}",
+ "text": "${info}",
+ "fields": [
+ {
+ "title": "${chart}",
+ "short": true
+ },
+ {
+ "title": "${family}",
+ "short": true
+ }
+ ],
+ "thumb_url": "${image}",
+ "footer": "by ${host}",
+ "ts": ${when}
+ }
+ ]
+ }
+EOF
+ )"
+
+ httpcode=$(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
+
+ [ ${sent} -gt 0 ] && return 0
+
+ return 1
+}
+
+# -----------------------------------------------------------------------------
+# rocketchat sender
+
+send_rocketchat() {
+ local webhook="${1}" channels="${2}" httpcode sent=0 channel color payload
+
+ [ "${SEND_ROCKETCHAT}" != "YES" ] && return 1
+
+ case "${status}" in
+ WARNING) color="warning" ;;
+ CRITICAL) color="danger" ;;
+ CLEAR) color="good" ;;
+ *) color="#777777" ;;
+ esac
+
+ for channel in ${channels}; do
+ payload="$(
+ cat <<EOF
+ {
+ "channel": "#${channel}",
+ "alias": "netdata on ${host}",
+ "avatar": "${images_base_url}/images/banner-icon-144x144.png",
+ "text": "${host} ${status_message}, \`${chart}\` (_${family}_), *${alarm}*",
+ "attachments": [
+ {
+ "color": "${color}",
+ "title": "${alarm}",
+ "title_link": "${goto_url}",
+ "text": "${info}",
+ "fields": [
+ {
+ "title": "${chart}",
+ "short": true,
+ "value": "chart"
+ },
+ {
+ "title": "${family}",
+ "short": true,
+ "value": "family"
+ }
+ ],
+ "thumb_url": "${image}",
+ "ts": "${when}"
+ }
+ ]
+ }
+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
+
+ [ ${sent} -gt 0 ] && return 0
+
+ return 1
+}
+
+# -----------------------------------------------------------------------------
+# alerta sender
+
+send_alerta() {
+ local webhook="${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
+ {
+ "resource": "${resource}",
+ "event": "${event}",
+ "environment": "${channel}",
+ "severity": "${severity}",
+ "service": ["Netdata"],
+ "group": "Performance",
+ "value": "${value_string}",
+ "text": "${info}",
+ "tags": ["alarm_id:${alarm_id}"],
+ "attributes": {
+ "roles": "${roles}",
+ "name": "${name}",
+ "chart": "${chart}",
+ "family": "${family}",
+ "source": "${src}",
+ "moreInfo": "<a href=\"${goto_url}\">View Netdata</a>"
+ },
+ "origin": "netdata/${host}",
+ "type": "netdataAlarm",
+ "rawData": "${BASH_ARGV[@]}"
+ }
+EOF
+ )"
+
+ if [ -n "${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}")
+
+ 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
+
+ [ ${sent} -gt 0 ] && return 0
+
+ return 1
+}
+
+# -----------------------------------------------------------------------------
+# flock sender
+
+send_flock() {
+ local webhook="${1}" channels="${2}" httpcode sent=0 channel color payload
+
+ [ "${SEND_FLOCK}" != "YES" ] && return 1
+
+ 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 "{
+ \"sendAs\": {
+ \"name\" : \"netdata on ${host}\",
+ \"profileImage\" : \"${images_base_url}/images/banner-icon-144x144.png\"
+ },
+ \"text\": \"${host} *${status_message}*\",
+ \"timestamp\": \"${when}\",
+ \"attachments\": [
+ {
+ \"description\": \"${chart} (${family}) - ${info}\",
+ \"color\": \"${color}\",
+ \"title\": \"${alarm}\",
+ \"url\": \"${goto_url}\",
+ \"text\": \"${info}\",
+ \"views\": {
+ \"image\": {
+ \"original\": { \"src\": \"${image}\", \"width\": 400, \"height\": 400 },
+ \"thumbnail\": { \"src\": \"${image}\", \"width\": 50, \"height\": 50 },
+ \"filename\": \"${image}\"
+ }
+ }
+ }
+ ]
+ }")
+ 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
+
+ [ ${sent} -gt 0 ] && return 0
+
+ return 1
+}
+
+# -----------------------------------------------------------------------------
+# discord sender
+
+send_discord() {
+ local webhook="${1}/slack" channels="${2}" httpcode sent=0 channel color payload username
+
+ [ "${SEND_DISCORD}" != "YES" ] && return 1
+
+ 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}..."
+
+ payload="$(
+ cat <<EOF
+ {
+ "channel": "#${channel}",
+ "username": "${username}",
+ "text": "${host} ${status_message}, \`${chart}\` (_${family}_), *${alarm}*",
+ "icon_url": "${images_base_url}/images/banner-icon-144x144.png",
+ "attachments": [
+ {
+ "color": "${color}",
+ "title": "${alarm}",
+ "title_link": "${goto_url}",
+ "text": "${info}",
+ "fields": [
+ {
+ "title": "${chart}",
+ "value": "${family}"
+ }
+ ],
+ "thumb_url": "${image}",
+ "footer_icon": "${images_base_url}/images/banner-icon-144x144.png",
+ "footer": "${host}",
+ "ts": ${when}
+ }
+ ]
+ }
+EOF
+ )"
+
+ httpcode=$(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
+
+ [ ${sent} -gt 0 ] && return 0
+
+ return 1
+}
+
+# -----------------------------------------------------------------------------
+# fleep sender
+
+send_fleep() {
+ local httpcode sent=0 webhooks="${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
+
+ [ ${sent} -gt 0 ] && return 0
+ fi
+
+ return 1
+}
+
+# -----------------------------------------------------------------------------
+# Prowl sender
+
+send_prowl() {
+ local httpcode sent=0 data message keys prio=0 alarm_url event
+ if [ "${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
+
+ [ ${sent} -gt 0 ] && return 0
+ fi
+
+ return 1
+}
+
+# -----------------------------------------------------------------------------
+# irc sender
+
+send_irc() {
+ local NICKNAME="${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
+
+ for CHANNEL in ${CHANNELS}; do
+ error=0
+ send_alarm=$(echo -e "USER ${NICKNAME} guest ${REALNAME} ${SERVERNAME}\\nNICK ${NICKNAME}\\nJOIN ${CHANNEL}\\nPRIVMSG ${CHANNEL} :${MESSAGE}\\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} ${value_string}"
+
+ [ "${SEND_AWSSNS}" = "YES" ] || return 1
+
+ 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
+
+ [ ${sent} -gt 0 ] && return 0
+
+ return 1
+}
+
+# -----------------------------------------------------------------------------
+# syslog sender
+
+send_syslog() {
+ local facility=${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 $?
+}
+
+# -----------------------------------------------------------------------------
+# SMS sender
+
+send_sms() {
+ local recipients="${1}" errcode errmessage sent=0
+
+ # Human readable SMS
+ local msg="${host} ${status_message}: ${chart} (${family}), ${alarm}"
+
+ # limit it to 160 characters
+ msg="${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
+
+ [ ${sent} -gt 0 ] && return 0
+ fi
+
+ return 1
+}
+
+# -----------------------------------------------------------------------------
+# prepare the content of the notification
+
+# the url to send the user on click
+urlencode "${args_host}" >/dev/null
+url_host="${REPLY}"
+urlencode "${chart}" >/dev/null
+url_chart="${REPLY}"
+urlencode "${family}" >/dev/null
+url_family="${REPLY}"
+urlencode "${name}" >/dev/null
+url_name="${REPLY}"
+
+redirect_params="host=${url_host}&chart=${url_chart}&family=${url_family}&alarm=${url_name}&alarm_unique_id=${unique_id}&alarm_id=${alarm_id}&alarm_event_id=${event_id}"
+GOTOCLOUD=0
+
+if [ "${NETDATA_REGISTRY_URL}" == "https://registry.my-netdata.io" ]; then
+ if [ -z "${NETDATA_REGISTRY_UNIQUE_ID}" ]; then
+ if [ -f "/var/lib/netdata/registry/netdata.public.unique.id" ]; then
+ NETDATA_REGISTRY_UNIQUE_ID="$(cat "/var/lib/netdata/registry/netdata.public.unique.id")"
+ fi
+ fi
+ if [ ! -z "${NETDATA_REGISTRY_UNIQUE_ID}" ]; then
+ GOTOCLOUD=1
+ fi
+fi
+
+if [ ${GOTOCLOUD} -eq 0 ]; then
+ goto_url="${NETDATA_REGISTRY_URL}/goto-host-from-alarm.html?${redirect_params}"
+else
+ goto_url="https://netdata.cloud/alarms/redirect?agentID=${NETDATA_REGISTRY_UNIQUE_ID}&${redirect_params}"
+fi
+
+# the severity of the alarm
+severity="${status}"
+
+# the time the alarm was raised
+duration4human ${duration} >/dev/null
+duration_txt="${REPLY}"
+duration4human ${non_clear_duration} >/dev/null
+non_clear_duration_txt="${REPLY}"
+raised_for="(was ${old_status,,} for ${duration_txt})"
+
+# the key status message
+status_message="status unknown"
+
+# the color of the alarm
+color="grey"
+
+# the alarm value
+alarm="${name//_/ } = ${value_string}"
+
+# the image of the alarm
+image="${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"
+ ;;
+
+WARNING)
+ 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"
+ ;;
+esac
+
+if [ "${status}" = "CLEAR" ]; then
+ severity="Recovered from ${old_status}"
+ if [ ${non_clear_duration} -gt ${duration} ]; then
+ raised_for="(alarm was raised for ${non_clear_duration_txt})"
+ fi
+
+ # don't show the value when the status is CLEAR
+ # for certain alarms, this value might not have any meaning
+ alarm="${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 ${non_clear_duration_txt})"
+ fi
+
+elif { [ "${old_status}" = "CRITICAL" ] && [ "${status}" = "WARNING" ]; }; then
+ severity="Demoted to ${status}"
+ if [ ${non_clear_duration} -gt ${duration} ]; then
+ raised_for="(alarm is raised for ${non_clear_duration_txt})"
+ fi
+
+else
+ raised_for=
+fi
+
+# prepare HTML versions of elements
+info_html=
+[ -n "${info}" ] && info_html=" <small><br/>${info}</small>"
+
+raised_for_html=
+[ -n "${raised_for}" ] && raised_for_html="<br/><small>${raised_for}</small>"
+
+# -----------------------------------------------------------------------------
+# send the slack notification
+
+# slack aggregates posts from the same username
+# so we use "${host} ${status}" as the bot username, to make them diff
+
+send_slack "${SLACK_WEBHOOK_URL}" "${to_slack}"
+SENT_SLACK=$?
+
+# -----------------------------------------------------------------------------
+# send the Microsoft notification
+
+# Microsoft team aggregates posts from the same username
+# so we use "${host} ${status}" as the bot username, to make them diff
+
+send_msteam "${MSTEAM_WEBHOOK_URL}" "${to_msteam}"
+SENT_MSTEAM=$?
+
+# -----------------------------------------------------------------------------
+# send the rocketchat notification
+
+# rocketchat aggregates posts from the same username
+# so we use "${host} ${status}" as the bot username, to make them diff
+
+send_rocketchat "${ROCKETCHAT_WEBHOOK_URL}" "${to_rocketchat}"
+SENT_ROCKETCHAT=$?
+
+# -----------------------------------------------------------------------------
+# send the alerta notification
+
+# alerta aggregates posts from the same username
+# so we use "${host} ${status}" as the bot username, to make them diff
+
+send_alerta "${ALERTA_WEBHOOK_URL}" "${to_alerta}"
+SENT_ALERTA=$?
+
+# -----------------------------------------------------------------------------
+# send the flock notification
+
+# flock aggregates posts from the same username
+# so we use "${host} ${status}" as the bot username, to make them diff
+
+send_flock "${FLOCK_WEBHOOK_URL}" "${to_flock}"
+SENT_FLOCK=$?
+
+# -----------------------------------------------------------------------------
+# send the discord notification
+
+# discord aggregates posts from the same username
+# so we use "${host} ${status}" as the bot username, to make them diff
+
+send_discord "${DISCORD_WEBHOOK_URL}" "${to_discord}"
+SENT_DISCORD=$?
+
+# -----------------------------------------------------------------------------
+# send the pushover notification
+
+send_pushover "${PUSHOVER_APP_TOKEN}" "${to_pushover}" "${when}" "${goto_url}" "${status}" "${host} ${status_message} - ${name//_/ } - ${chart}" "
+<font color=\"${color}\"><b>${alarm}</b></font>${info_html}<br/>&nbsp;
+<small><b>${chart}</b><br/>Chart<br/>&nbsp;</small>
+<small><b>${family}</b><br/>Family<br/>&nbsp;</small>
+<small><b>${severity}</b><br/>Severity<br/>&nbsp;</small>
+<small><b>${date}${raised_for_html}</b><br/>Time<br/>&nbsp;</small>
+<a href=\"${goto_url}\">View Netdata</a><br/>&nbsp;
+<small><small>The source of this alarm is line ${src}</small></small>
+"
+
+SENT_PUSHOVER=$?
+
+# -----------------------------------------------------------------------------
+# send the pushbullet notification
+
+send_pushbullet "${PUSHBULLET_ACCESS_TOKEN}" "${PUSHBULLET_SOURCE_DEVICE}" "${to_pushbullet}" "${goto_url}" "${host} ${status_message} - ${name//_/ } - ${chart}" "${alarm}\\n
+Severity: ${severity}\\n
+Chart: ${chart}\\n
+Family: ${family}\\n
+$(date -d @${when})\\n
+The source of this alarm is line ${src}"
+
+SENT_PUSHBULLET=$?
+
+# -----------------------------------------------------------------------------
+# send the twilio SMS
+
+send_twilio "${TWILIO_ACCOUNT_SID}" "${TWILIO_ACCOUNT_TOKEN}" "${TWILIO_NUMBER}" "${to_twilio}" "${host} ${status_message} - ${name//_/ } - ${chart}" "${alarm}
+Severity: ${severity}
+Chart: ${chart}
+Family: ${family}
+${info}"
+
+SENT_TWILIO=$?
+
+# -----------------------------------------------------------------------------
+# send the messagebird SMS
+
+send_messagebird "${MESSAGEBIRD_ACCESS_KEY}" "${MESSAGEBIRD_NUMBER}" "${to_messagebird}" "${host} ${status_message} - ${name//_/ } - ${chart}" "${alarm}
+Severity: ${severity}
+Chart: ${chart}
+Family: ${family}
+${info}"
+
+SENT_MESSAGEBIRD=$?
+
+# -----------------------------------------------------------------------------
+# send the kavenegar SMS
+
+send_kavenegar "${KAVENEGAR_API_KEY}" "${KAVENEGAR_SENDER}" "${to_kavenegar}" "${host} ${status_message} - ${name//_/ } - ${chart}" "${alarm}
+Severity: ${severity}
+Chart: ${chart}
+Family: ${family}
+${info}"
+
+SENT_KAVENEGAR=$?
+
+# -----------------------------------------------------------------------------
+# send the telegram.org message
+
+# https://core.telegram.org/bots/api#formatting-options
+send_telegram "${TELEGRAM_BOT_TOKEN}" "${to_telegram}" "${host} ${status_message} - <b>${name//_/ }</b>
+${chart} (${family})
+<a href=\"${goto_url}\">${alarm}</a>
+<i>${info}</i>"
+
+SENT_TELEGRAM=$?
+
+# -----------------------------------------------------------------------------
+# send the kafka message
+
+send_kafka
+SENT_KAFKA=$?
+
+# -----------------------------------------------------------------------------
+# send the pagerduty.com message
+
+send_pd "${to_pd}"
+SENT_PD=$?
+
+# -----------------------------------------------------------------------------
+# send the fleep message
+
+send_fleep "${to_fleep}"
+SENT_FLEEP=$?
+
+# -----------------------------------------------------------------------------
+# send the Prowl message
+
+send_prowl "${to_prowl}"
+SENT_PROWL=$?
+
+# -----------------------------------------------------------------------------
+# send the irc message
+
+send_irc "${IRC_NICKNAME}" "${IRC_REALNAME}" "${to_irc}" "${IRC_NETWORK}" "${host}" "${host} ${status_message} - ${name//_/ } - ${chart} ----- ${alarm}
+Severity: ${severity}
+Chart: ${chart}
+Family: ${family}
+${info}"
+
+SENT_IRC=$?
+
+# -----------------------------------------------------------------------------
+# send the SMS message with smstools3
+
+send_sms "${to_sms}"
+
+SENT_SMS=$?
+
+# -----------------------------------------------------------------------------
+# send the custom message
+
+send_custom() {
+ # is it enabled?
+ [ "${SEND_CUSTOM}" != "YES" ] && return 1
+
+ # do we have any sender?
+ [ -z "${1}" ] && return 1
+
+ # call the custom_sender function
+ custom_sender "${@}"
+}
+
+send_custom "${to_custom}"
+SENT_CUSTOM=$?
+
+# -----------------------------------------------------------------------------
+# send hipchat message
+
+send_hipchat "${HIPCHAT_AUTH_TOKEN}" "${to_hipchat}" " \
+${host} ${status_message}<br/> \
+<b>${alarm}</b> ${info_html}<br/> \
+<b>${chart}</b> (family <b>${family}</b>)<br/> \
+<b>${date}${raised_for_html}</b><br/> \
+<a href=\\\"${goto_url}\\\">View netdata dashboard</a> \
+(source of alarm ${src}) \
+"
+
+SENT_HIPCHAT=$?
+
+# -----------------------------------------------------------------------------
+# send the Amazon SNS message
+
+send_awssns "${to_awssns}"
+
+SENT_AWSSNS=$?
+
+# -----------------------------------------------------------------------------
+# send the syslog message
+
+send_syslog "${to_syslog}"
+
+SENT_SYSLOG=$?
+
+# -----------------------------------------------------------------------------
+# send the email
+
+send_email <<EOF
+To: ${to_email}
+Subject: ${host} ${status_message} - ${name//_/ } - ${chart}
+MIME-Version: 1.0
+Content-Type: multipart/alternative; boundary="multipart-boundary"
+${email_thread_headers}
+
+This is a MIME-encoded multipart message
+
+--multipart-boundary
+Content-Type: text/plain; encoding=${EMAIL_CHARSET}
+Content-Disposition: inline
+Content-Transfer-Encoding: 8bit
+
+${host} ${status_message}
+
+${alarm} ${info}
+${raised_for}
+
+Chart : ${chart}
+Family : ${family}
+Severity: ${severity}
+URL : ${goto_url}
+Source : ${src}
+Date : ${date}
+Notification generated on ${host}
+
+Evaluated Expression : ${calc_expression}
+Expression Variables : ${calc_param_values}
+
+The host has ${total_warnings} WARNING and ${total_critical} CRITICAL alarm(s) raised.
+
+--multipart-boundary
+Content-Type: text/html; encoding=${EMAIL_CHARSET}
+Content-Disposition: inline
+Content-Transfer-Encoding: 8bit
+
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 14px; margin: 0; padding: 0;">
+<body style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 14px; width: 100% !important; min-height: 100%; line-height: 1.6; background: #f6f6f6; margin:0; padding: 0;">
+<table>
+ <tbody>
+ <tr>
+ <td style="vertical-align: top;" valign="top"></td>
+ <td width="700" style="vertical-align: top; display: block !important; max-width: 700px !important; clear: both !important; margin: 0 auto; padding: 0;" valign="top">
+ <div style="max-width: 700px; display: block; margin: 0 auto; padding: 20px;">
+ <table width="100%" cellpadding="0" cellspacing="0" style="background: #fff; border: 1px solid #e9e9e9;">
+ <tbody>
+ <tr>
+ <td bgcolor="#eee" style="padding: 5px 20px 5px 20px; background-color: #eee;">
+ <div style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 20px; color: #777; font-weight: bold;">netdata notification</div>
+ </td>
+ </tr>
+ <tr>
+ <td bgcolor="${color}" style="font-size: 16px; vertical-align: top; font-weight: 400; text-align: center; margin: 0; padding: 10px; color: #ffffff; background: ${color} !important; border: 1px solid ${color}; border-top-color: ${color};" align="center" valign="top">
+ <h1 style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-weight: 400; margin: 0;">${host} ${status_message}</h1>
+ </td>
+ </tr>
+ <tr>
+ <td style="vertical-align: top;" valign="top">
+ <div style="margin: 0; padding: 20px; max-width: 700px;">
+ <table width="100%" cellpadding="0" cellspacing="0" style="max-width:700px">
+ <tbody>
+ <tr>
+ <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding:0 0 20px;" align="left" valign="top">
+ <span>${chart}</span>
+ <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Chart</span>
+ </td>
+ </tr>
+ <tr style="margin: 0; padding: 0;">
+ <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;" align="left" valign="top">
+ <span><b>${alarm}</b>${info_html}</span>
+ <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Alarm</span>
+ </td>
+ </tr>
+ <tr>
+ <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;" align="left" valign="top">
+ <span>${family}</span>
+ <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Family</span>
+ </td>
+ </tr>
+ <tr style="margin: 0; padding: 0;">
+ <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;" align="left" valign="top">
+ <span>${severity}</span>
+ <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Severity</span>
+ </td>
+ </tr>
+ <tr style="margin: 0; padding: 0;">
+ <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;" align="left" valign="top"><span>${date}</span>
+ <span>${raised_for_html}</span> <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Time</span>
+ </td>
+ </tr>
+ <tr style="margin: 0; padding: 0;">
+ <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;" align="left" valign="top">
+ <span>${calc_expression}</span>
+ <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Evaluated Expression</span>
+ </td>
+ </tr>
+ <tr style="margin: 0; padding: 0;">
+ <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;" align="left" valign="top">
+ <span>${calc_param_values}</span>
+ <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Expression Variables</span>
+ </td>
+ </tr>
+ <tr style="margin: 0; padding: 0;">
+ <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;" align="left" valign="top">
+ The host has ${total_warnings} WARNING and ${total_critical} CRITICAL alarm(s) raised.
+ </td>
+ </tr>
+
+ <tr style="margin: 0; padding: 0;">
+ <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;">
+ <a href="${goto_url}" style="font-size: 14px; color: #ffffff; text-decoration: none; line-height: 1.5; font-weight: bold; text-align: center; display: inline-block; text-transform: capitalize; background: #35568d; border-width: 1px; border-style: solid; border-color: #2b4c86; margin: 0; padding: 10px 15px;" target="_blank">View Netdata</a>
+ </td>
+ </tr>
+ <tr style="text-align: center; margin: 0; padding: 0;">
+ <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 11px; vertical-align: top; margin: 0; padding: 10px 0 0 0; color: #666666;" align="center" valign="bottom">The source of this alarm is line <code>${src}</code><br/>(alarms are configurable, edit this file to adapt the alarm to your needs)
+ </td>
+ </tr>
+ <tr style="text-align: center; margin: 0; padding: 0;">
+ <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px; vertical-align: top; margin:0; padding: 20px 0 0 0; color: #666666; border-top: 1px solid #f0f0f0;" align="center" valign="bottom">Sent by
+ <a href="https://mynetdata.io/" target="_blank">netdata</a>, the real-time performance and health monitoring, on <code>${host}</code>.
+ </td>
+ </tr>
+ </tbody>
+ </table>
+ </div>
+ </td>
+ </tr>
+ </tbody>
+ </table>
+ </div>
+ </td>
+ </tr>
+ </tbody>
+</table>
+</body>
+</html>
+--multipart-boundary--
+EOF
+
+SENT_EMAIL=$?
+
+# -----------------------------------------------------------------------------
+# let netdata know
+for state in "${SENT_EMAIL}" \
+ "${SENT_PUSHOVER}" \
+ "${SENT_TELEGRAM}" \
+ "${SENT_SLACK}" \
+ "${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
+done
+# we did not send anything
+exit 1