Merging upstream version 1.11.0+dfsg.

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

1 files changed, 0 insertions, 1919 deletions

diff --git a/plugins.d/alarm-notify.sh b/plugins.d/alarm-notify.sh
deleted file mode 100755
index 3e23a164f..000000000
--- a/plugins.d/alarm-notify.sh
+++ /dev/null
@@ -1,1919 +0,0 @@
-#!/usr/bin/env bash
-
-# netdata
-# real-time performance and health monitoring, done right!
-# (C) 2017 Costa Tsaousis <costa@tsaousis.gr>
-# GPL v3+
-#
-# 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
-#  - custom notifications by @ktsaou
-
-# -----------------------------------------------------------------------------
-# testing notifications
-
-if [ \( "${1}" = "test" -o "${2}" = "test" \) -a "${#}" -le 2 ]
-then
-    if [ "${2}" = "test" ]
-    then
-        recipient="${1}"
-    else
-        recipient="${2}"
-    fi
-
-    [ -z "${recipient}" ] && recipient="sysadmin"
-
-    id=1
-    last="CLEAR"
-    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"
-        if [ $? -ne 0 ]
-        then
-            echo >&2 "# FAILED"
-        else
-            echo >&2 "# OK"
-        fi
-
-        last="${x}"
-        id=$((id + 1))
-    done
-
-    exit 1
-fi
-
-export PATH="${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=$(mktemp /tmp/netdata-health-alarm-notify-XXXXXXXX)
-        local code=$(${curl} ${curl_options} --write-out %{http_code} --output "${out}" --silent --show-error "${@}")
-        local ret=$?
-        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 $?
-}
-
-# -----------------------------------------------------------------------------
-# 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)
-[ $(( ${BASH_VERSINFO[0]} )) -lt 4 ] && \
-    fatal "BASH version 4 or later is required (this is ${BASH_VERSION})."
-
-# -----------------------------------------------------------------------------
-# defaults to allow running this script by hand
-
-[ -z "${NETDATA_CONFIG_DIR}"   ] && NETDATA_CONFIG_DIR="$(dirname "${0}")/../../../../etc/netdata"
-[ -z "${NETDATA_CACHE_DIR}"    ] && NETDATA_CACHE_DIR="$(dirname "${0}")/../../../../var/cache/netdata"
-[ -z "${NETDATA_REGISTRY_URL}" ] && NETDATA_REGISTRY_URL="https://registry.my-netdata.io"
-
-# -----------------------------------------------------------------------------
-# parse command line parameters
-
-roles="${1}"               # the roles that should be notified for this event
-host="${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="${19}"       # friendly value (with units)
-old_value_string="${20}"   # friendly old value (with units)
-
-# -----------------------------------------------------------------------------
-# find a suitable hostname to use, if netdata did not supply a hostname
-
-this_host=$(hostname -s 2>/dev/null)
-[ -z "${host}" ] && host="${this_host}"
-
-# -----------------------------------------------------------------------------
-# screen statuses we don't need to send a notification
-
-# don't do anything if this is not WARNING, CRITICAL or CLEAR
-if [ "${status}" != "WARNING" -a "${status}" != "CRITICAL" -a "${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 [ "${old_status}" != "WARNING" -a "${old_status}" != "CRITICAL" -a "${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=
-
-# needed commands
-# if empty they will be searched in the system path
-curl=
-sendmail=
-
-# enable / disable features
-SEND_SLACK="YES"
-SEND_ALERTA="YES"
-SEND_FLOCK="YES"
-SEND_DISCORD="YES"
-SEND_PUSHOVER="YES"
-SEND_TWILIO="YES"
-SEND_HIPCHAT="YES"
-SEND_MESSAGEBIRD="YES"
-SEND_KAVENEGAR="YES"
-SEND_TELEGRAM="YES"
-SEND_EMAIL="YES"
-SEND_PUSHBULLET="YES"
-SEND_KAFKA="YES"
-SEND_PD="YES"
-SEND_IRC="YES"
-SEND_CUSTOM="YES"
-
-# slack configs
-SLACK_WEBHOOK_URL=
-DEFAULT_RECIPIENT_SLACK=
-declare -A role_recipients_slack=()
-
-# alerta configs
-ALERTA_WEBHOOK_URL=
-ALERTA_API_KEY=
-DEFAULT_RECIPIENT_ALERTA=
-declare -A role_recipients_alerta=()
-
-# flock configs
-FLOCK_WEBHOOK_URL=
-DEFAULT_RECIPIENT_FLOCK=
-declare -A role_recipients_flock=()
-
-# discord configs
-DISCORD_WEBHOOK_URL=
-DEFAULT_RECIPIENT_DISCORD=
-declare -A role_recipients_discord=()
-
-# pushover configs
-PUSHOVER_APP_TOKEN=
-DEFAULT_RECIPIENT_PUSHOVER=
-declare -A role_recipients_pushover=()
-
-# pushbullet configs
-PUSHBULLET_ACCESS_TOKEN=
-PUSHBULLET_SOURCE_DEVICE=
-DEFAULT_RECIPIENT_PUSHBULLET=
-declare -A role_recipients_pushbullet=()
-
-# twilio configs
-TWILIO_ACCOUNT_SID=
-TWILIO_ACCOUNT_TOKEN=
-TWILIO_NUMBER=
-DEFAULT_RECIPIENT_TWILIO=
-declare -A role_recipients_twilio=()
-
-# hipchat configs
-HIPCHAT_SERVER=
-HIPCHAT_AUTH_TOKEN=
-DEFAULT_RECIPIENT_HIPCHAT=
-declare -A role_recipients_hipchat=()
-
-# messagebird configs
-MESSAGEBIRD_ACCESS_KEY=
-MESSAGEBIRD_NUMBER=
-DEFAULT_RECIPIENT_MESSAGEBIRD=
-declare -A role_recipients_messagebird=()
-
-# kavenegar configs
-KAVENEGAR_API_KEY=""
-KAVENEGAR_SENDER=""
-DEFAULT_RECIPIENT_KAVENEGAR=()
-declare -A role_recipients_kavenegar=""
-
-# telegram configs
-TELEGRAM_BOT_TOKEN=
-DEFAULT_RECIPIENT_TELEGRAM=
-declare -A role_recipients_telegram=()
-
-# kafka configs
-KAFKA_URL=
-KAFKA_SENDER_IP=
-
-# pagerduty.com configs
-PD_SERVICE_KEY=
-DEFAULT_RECIPIENT_PD=
-declare -A role_recipients_pd=()
-
-# custom configs
-DEFAULT_RECIPIENT_CUSTOM=
-declare -A role_recipients_custom=()
-
-# email configs
-EMAIL_SENDER=
-DEFAULT_RECIPIENT_EMAIL="root"
-EMAIL_CHARSET=$(locale charmap 2>/dev/null)
-declare -A role_recipients_email=()
-
-# irc configs
-IRC_NICKNAME=
-IRC_REALNAME=
-DEFAULT_RECIPIENT_IRC=
-IRC_NETWORK=
-declare -A role_recipients_irc=()
-
-# load the user configuration
-# this will overwrite the variables above
-if [ -f "${NETDATA_CONFIG_DIR}/health_alarm_notify.conf" ]
-    then
-    source "${NETDATA_CONFIG_DIR}/health_alarm_notify.conf"
-else
-    error "Cannot find file ${NETDATA_CONFIG_DIR}/health_alarm_notify.conf. Using internal defaults."
-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 ${EMAIL_CHARSET} ]
-    then
-    EMAIL_CHARSET="UTF-8"
-fi
-
-# -----------------------------------------------------------------------------
-# filter a recipient based on alarm event severity
-
-filter_recipient_by_criticality() {
-    local method="${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
-}
-
-# -----------------------------------------------------------------------------
-# find the recipients' addresses per method
-
-declare -A arr_slack=()
-declare -A arr_alerta=()
-declare -A arr_flock=()
-declare -A arr_discord=()
-declare -A arr_pushover=()
-declare -A arr_pushbullet=()
-declare -A arr_twilio=()
-declare -A arr_hipchat=()
-declare -A arr_telegram=()
-declare -A arr_pd=()
-declare -A arr_email=()
-declare -A arr_custom=()
-declare -A arr_messagebird=()
-declare -A arr_kavenegar=()
-declare -A arr_irc=()
-
-# netdata may call us with multiple roles, and roles may have multiple but
-# overlapping recipients - so, here we find the unique recipients.
-for x in ${roles//,/ }
-do
-    # the roles 'silent' and 'disabled' mean:
-    # don't send a notification for this role
-    [ "${x}" = "silent" -o "${x}" = "disabled" ] && continue
-
-    # email
-    a="${role_recipients_email[${x}]}"
-    [ -z "${a}" ] && a="${DEFAULT_RECIPIENT_EMAIL}"
-    for r in ${a//,/ }
-    do
-        [ "${r}" != "disabled" ] && filter_recipient_by_criticality email "${r}" && arr_email[${r/|*/}]="1"
-    done
-
-    # pushover
-    a="${role_recipients_pushover[${x}]}"
-    [ -z "${a}" ] && a="${DEFAULT_RECIPIENT_PUSHOVER}"
-    for r in ${a//,/ }
-    do
-        [ "${r}" != "disabled" ] && filter_recipient_by_criticality pushover "${r}" && arr_pushover[${r/|*/}]="1"
-    done
-
-    # pushbullet
-    a="${role_recipients_pushbullet[${x}]}"
-    [ -z "${a}" ] && a="${DEFAULT_RECIPIENT_PUSHBULLET}"
-    for r in ${a//,/ }
-    do
-        [ "${r}" != "disabled" ] && filter_recipient_by_criticality pushbullet "${r}" && arr_pushbullet[${r/|*/}]="1"
-    done
-
-    # twilio
-    a="${role_recipients_twilio[${x}]}"
-    [ -z "${a}" ] && a="${DEFAULT_RECIPIENT_TWILIO}"
-    for r in ${a//,/ }
-    do
-        [ "${r}" != "disabled" ] && filter_recipient_by_criticality twilio "${r}" && arr_twilio[${r/|*/}]="1"
-    done
-
-    # hipchat
-    a="${role_recipients_hipchat[${x}]}"
-    [ -z "${a}" ] && a="${DEFAULT_RECIPIENT_HIPCHAT}"
-    for r in ${a//,/ }
-    do
-        [ "${r}" != "disabled" ] && filter_recipient_by_criticality hipchat "${r}" && arr_hipchat[${r/|*/}]="1"
-    done
-
-    # messagebird
-    a="${role_recipients_messagebird[${x}]}"
-    [ -z "${a}" ] && a="${DEFAULT_RECIPIENT_MESSAGEBIRD}"
-    for r in ${a//,/ }
-    do
-        [ "${r}" != "disabled" ] && filter_recipient_by_criticality messagebird "${r}" && arr_messagebird[${r/|*/}]="1"
-    done
-
-    # kavenegar
-    a="${role_recipients_kavenegar[${x}]}"
-    [ -z "${a}" ] && a="${DEFAULT_RECIPIENT_KAVENEGAR}"
-    for r in ${a//,/ }
-    do
-        [ "${r}" != "disabled" ] && filter_recipient_by_criticality kavenegar "${r}" && arr_kavenegar[${r/|*/}]="1"
-    done
-
-    # telegram
-    a="${role_recipients_telegram[${x}]}"
-    [ -z "${a}" ] && a="${DEFAULT_RECIPIENT_TELEGRAM}"
-    for r in ${a//,/ }
-    do
-        [ "${r}" != "disabled" ] && filter_recipient_by_criticality telegram "${r}" && arr_telegram[${r/|*/}]="1"
-    done
-
-    # slack
-    a="${role_recipients_slack[${x}]}"
-    [ -z "${a}" ] && a="${DEFAULT_RECIPIENT_SLACK}"
-    for r in ${a//,/ }
-    do
-        [ "${r}" != "disabled" ] && filter_recipient_by_criticality slack "${r}" && arr_slack[${r/|*/}]="1"
-    done
-
-    # alerta
-    a="${role_recipients_alerta[${x}]}"
-    [ -z "${a}" ] && a="${DEFAULT_RECIPIENT_ALERTA}"
-    for r in ${a//,/ }
-    do
-        [ "${r}" != "disabled" ] && filter_recipient_by_criticality alerta "${r}" && arr_alerta[${r/|*/}]="1"
-    done
-
-    # flock
-    a="${role_recipients_flock[${x}]}"
-    [ -z "${a}" ] && a="${DEFAULT_RECIPIENT_FLOCK}"
-    for r in ${a//,/ }
-    do
-        [ "${r}" != "disabled" ] && filter_recipient_by_criticality flock "${r}" && arr_flock[${r/|*/}]="1"
-    done
-
-    # discord
-    a="${role_recipients_discord[${x}]}"
-    [ -z "${a}" ] && a="${DEFAULT_RECIPIENT_DISCORD}"
-    for r in ${a//,/ }
-    do
-        [ "${r}" != "disabled" ] && filter_recipient_by_criticality discord "${r}" && arr_discord[${r/|*/}]="1"
-    done
-
-    # pagerduty.com
-    a="${role_recipients_pd[${x}]}"
-    [ -z "${a}" ] && a="${DEFAULT_RECIPIENT_PD}"
-    for r in ${a//,/ }
-    do
-        [ "${r}" != "disabled" ] && filter_recipient_by_criticality pd "${r}" && arr_pd[${r/|*/}]="1"
-    done
-    
-    # irc
-    a="${role_recipients_irc[${x}]}"
-    [ -z "${a}" ] && a="${DEFAULT_RECIPIENT_IRC}"
-    for r in ${a//,/ }
-    do
-        [ "${r}" != "disabled" ] && filter_recipient_by_criticality irc "${r}" && arr_irc[${r/|*/}]="1"
-    done
-
-    # custom
-    a="${role_recipients_custom[${x}]}"
-    [ -z "${a}" ] && a="${DEFAULT_RECIPIENT_CUSTOM}"
-    for r in ${a//,/ }
-    do
-        [ "${r}" != "disabled" ] && filter_recipient_by_criticality custom "${r}" && arr_custom[${r/|*/}]="1"
-    done
-
-done
-
-# build the list of slack recipients (channels)
-to_slack="${!arr_slack[*]}"
-[ -z "${to_slack}" ] && SEND_SLACK="NO"
-
-# build the list of alerta recipients (channels)
-to_alerta="${!arr_alerta[*]}"
-[ -z "${to_alerta}" ] && SEND_ALERTA="NO"
-
-# build the list of flock recipients (channels)
-to_flock="${!arr_flock[*]}"
-[ -z "${to_flock}" ] && SEND_FLOCK="NO"
-
-# build the list of discord recipients (channels)
-to_discord="${!arr_discord[*]}"
-[ -z "${to_discord}" ] && SEND_DISCORD="NO"
-
-# build the list of pushover recipients (user tokens)
-to_pushover="${!arr_pushover[*]}"
-[ -z "${to_pushover}" ] && SEND_PUSHOVER="NO"
-
-# build the list of pushbulet recipients (user tokens)
-to_pushbullet="${!arr_pushbullet[*]}"
-[ -z "${to_pushbullet}" ] && SEND_PUSHBULLET="NO"
-
-# build the list of twilio recipients (phone numbers)
-to_twilio="${!arr_twilio[*]}"
-[ -z "${to_twilio}" ] && SEND_TWILIO="NO"
-
-# build the list of hipchat recipients (rooms)
-to_hipchat="${!arr_hipchat[*]}"
-[ -z "${to_hipchat}" ] && SEND_HIPCHAT="NO"
-
-# build the list of messagebird recipients (phone numbers)
-to_messagebird="${!arr_messagebird[*]}"
-[ -z "${to_messagebird}" ] && SEND_MESSAGEBIRD="NO"
-
-# build the list of kavenegar recipients (phone numbers)
-to_kavenegar="${!arr_kavenegar[*]}"
-[ -z "${to_kavenegar}" ] && SEND_KAVENEGAR="NO"
-
-# check array of telegram recipients (chat ids)
-to_telegram="${!arr_telegram[*]}"
-[ -z "${to_telegram}" ] && SEND_TELEGRAM="NO"
-
-# build the list of pagerduty recipients (service keys)
-to_pd="${!arr_pd[*]}"
-[ -z "${to_pd}" ] && SEND_PD="NO"
-
-# build the list of custom recipients
-to_custom="${!arr_custom[*]}"
-[ -z "${to_custom}" ] && SEND_CUSTOM="NO"
-
-# build the list of email recipients (email addresses)
-to_email=
-for x in "${!arr_email[@]}"
-do
-    [ ! -z "${to_email}" ] && to_email="${to_email}, "
-    to_email="${to_email}${x}"
-done
-[ -z "${to_email}" ] && SEND_EMAIL="NO"
-
-# build the list of irc recipients (channels)
-to_irc="${!arr_irc[*]}"
-[ -z "${to_irc}" ] && SEND_IRC="NO"
-
-# -----------------------------------------------------------------------------
-# verify the delivery methods supported
-
-# check slack
-[ -z "${SLACK_WEBHOOK_URL}" ] && SEND_SLACK="NO"
-
-# check alerta
-[ -z "${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 "${TWILIO_ACCOUNT_TOKEN}" -o -z "${TWILIO_ACCOUNT_SID}" -o -z "${TWILIO_NUMBER}" ] && SEND_TWILIO="NO"
-
-# check hipchat
-[ -z "${HIPCHAT_AUTH_TOKEN}" ] && SEND_HIPCHAT="NO"
-
-# check messagebird
-[ -z "${MESSAGEBIRD_ACCESS_KEY}" -o -z "${MESSAGEBIRD_NUMBER}" ] && SEND_MESSAGEBIRD="NO"
-
-# check kavenegar
-[ -z "${KAVENEGAR_API_KEY}" -o -z "${KAVENEGAR_SENDER}" ] && SEND_KAVENEGAR="NO"
-
-# check telegram
-[ -z "${TELEGRAM_BOT_TOKEN}" ] && SEND_TELEGRAM="NO"
-
-# check kafka
-[ -z "${KAFKA_URL}" -o -z "${KAFKA_SENDER_IP}" ] && SEND_KAFKA="NO"
-
-# check irc
-[ -z "${IRC_NETWORK}" ] && SEND_IRC="NO"
-
-# check pagerduty.com
-# if we need pd-send, check for the pd-send command
-# https://www.pagerduty.com/docs/guides/agent-install-guide/
-if [ "${SEND_PD}" = "YES" ]
-    then
-    pd_send="$(which pd-send 2>/dev/null || command -v pd-send 2>/dev/null)"
-    if [ -z "${pd_send}" ]
-        then
-        error "Cannot find pd-send command in the system path. Disabling pagerduty.com notifications."
-        SEND_PD="NO"
-    fi
-fi
-
-# if we need curl, check for the curl command
-if [ \( \
-           "${SEND_PUSHOVER}"    = "YES" \
-        -o "${SEND_SLACK}"       = "YES" \
-        -o "${SEND_ALERTA}"      = "YES" \
-        -o "${SEND_FLOCK}"       = "YES" \
-        -o "${SEND_DISCORD}"     = "YES" \
-        -o "${SEND_HIPCHAT}"     = "YES" \
-        -o "${SEND_TWILIO}"      = "YES" \
-        -o "${SEND_MESSAGEBIRD}" = "YES" \
-        -o "${SEND_KAVENEGAR}"   = "YES" \
-        -o "${SEND_TELEGRAM}"    = "YES" \
-        -o "${SEND_PUSHBULLET}"  = "YES" \
-        -o "${SEND_KAFKA}"       = "YES" \
-        -o "${SEND_CUSTOM}"      = "YES" \
-    \) -a -z "${curl}" ]
-    then
-    curl="$(which curl 2>/dev/null || command -v curl 2>/dev/null)"
-    if [ -z "${curl}" ]
-        then
-        error "Cannot find curl command in the system path. Disabling all curl based notifications."
-        SEND_PUSHOVER="NO"
-        SEND_PUSHBULLET="NO"
-        SEND_TELEGRAM="NO"
-        SEND_SLACK="NO"
-        SEND_ALERTA="NO"
-        SEND_FLOCK="NO"
-        SEND_DISCORD="NO"
-        SEND_TWILIO="NO"
-        SEND_HIPCHAT="NO"
-        SEND_MESSAGEBIRD="NO"
-        SEND_KAVENEGAR="NO"
-        SEND_KAFKA="NO"
-        SEND_CUSTOM="NO"
-    fi
-fi
-
-# if we need sendmail, check for the sendmail command
-if [ "${SEND_EMAIL}" = "YES" -a -z "${sendmail}" ]
-    then
-    sendmail="$(which sendmail 2>/dev/null || command -v sendmail 2>/dev/null)"
-    if [ -z "${sendmail}" ]
-        then
-        debug "Cannot find sendmail command in the system path. Disabling email notifications."
-        SEND_EMAIL="NO"
-    fi
-fi
-
-# check that we have at least a method enabled
-if [   "${SEND_EMAIL}"          != "YES" \
-    -a "${SEND_PUSHOVER}"       != "YES" \
-    -a "${SEND_TELEGRAM}"       != "YES" \
-    -a "${SEND_SLACK}"          != "YES" \
-    -a "${SEND_ALERTA}"         != "YES" \
-    -a "${SEND_FLOCK}"          != "YES" \
-    -a "${SEND_DISCORD}"        != "YES" \
-    -a "${SEND_TWILIO}"         != "YES" \
-    -a "${SEND_HIPCHAT}"        != "YES" \
-    -a "${SEND_MESSAGEBIRD}"    != "YES" \
-    -a "${SEND_KAVENEGAR}"      != "YES" \
-    -a "${SEND_PUSHBULLET}"     != "YES" \
-    -a "${SEND_KAFKA}"          != "YES" \
-    -a "${SEND_PD}"             != "YES" \
-    -a "${SEND_CUSTOM}"         != "YES" \
-    -a "${SEND_IRC}"            != "YES" \
-    ]
-    then
-    fatal "All notification methods are disabled. Not sending notification for host '${host}', chart '${chart}' to '${roles}' for '${name}' = '${value}' for status '${status}'."
-fi
-
-# -----------------------------------------------------------------------------
-# get the date the alarm happened
-
-date="$(date --date=@${when} 2>/dev/null)"
-[ -z "${date}" ] && date="$(date 2>/dev/null)"
-
-# -----------------------------------------------------------------------------
-# function to URL encode a string
-
-urlencode() {
-    local string="${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 "${REPLY}"
-}
-
-# -----------------------------------------------------------------------------
-# email sender
-
-send_email() {
-    local ret= opts=
-    if [ "${SEND_EMAIL}" = "YES" ]
-        then
-
-        if [ ! -z "${EMAIL_SENDER}" ]
-            then
-            if [[ "${EMAIL_SENDER}" =~ \".*\"\ \<.*\> ]]
-                then
-                # the name includes single quotes
-                opts=" -f $(echo "${EMAIL_SENDER}" | cut -d '<' -f 2 | cut -d '>' -f 1) -F $(echo "${EMAIL_SENDER}" | cut -d '<' -f 1)"
-            elif [[ "${EMAIL_SENDER}" =~ \'.*\'\ \<.*\> ]]
-                then
-                # the name includes double quotes
-                opts=" -f $(echo "${EMAIL_SENDER}" | cut -d '<' -f 2 | cut -d '>' -f 1) -F $(echo "${EMAIL_SENDER}" | cut -d '<' -f 1)"
-            elif [[ "${EMAIL_SENDER}" =~ .*\ \<.*\> ]]
-                then
-                # the name does not have any quotes
-                opts=" -f $(echo "${EMAIL_SENDER}" | cut -d '<' -f 2 | cut -d '>' -f 1) -F '$(echo "${EMAIL_SENDER}" | cut -d '<' -f 1)'"
-            else
-                # no name at all
-                opts=" -f ${EMAIL_SENDER}"
-            fi
-        fi
-
-        if [ "${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 [ "${SEND_PUSHOVER}" = "YES" -a ! -z "${apptoken}" -a ! -z "${usertokens}" -a ! -z "${title}" -a ! -z "${message}" ]
-        then
-
-        # https://pushover.net/api
-        priority=-2
-        case "${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" -a ! -z "${userapikey}" -a ! -z "${recipients}" -a ! -z "${message}" -a ! -z "${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 [ ${SEND_PD} = "YES" -a ! -z "${t}" ]
-        then
-        for PD_SERVICE_KEY in ${recipients}
-        do
-            d="${status} ${name} = ${value_string} - ${host}, ${family}"
-            ${pd_send} -k ${PD_SERVICE_KEY} \
-                       -t ${t} \
-                       -d "${d}" \
-                       -i ${host}:${chart}:${name} \
-                       -f 'info'="${info}" \
-                       -f 'value_w_units'="${value_string}" \
-                       -f 'when'="${when}" \
-                       -f 'duration'="${duration}" \
-                       -f 'roles'="${roles}" \
-                       -f 'host'="${host}" \
-                       -f 'unique_id'="${unique_id}" \
-                       -f 'alarm_id'="${alarm_id}" \
-                       -f 'event_id'="${event_id}" \
-                       -f 'name'="${name}" \
-                       -f 'chart'="${chart}" \
-                       -f 'family'="${family}" \
-                       -f 'status'="${status}" \
-                       -f 'old_status'="${old_status}" \
-                       -f 'value'="${value}" \
-                       -f 'old_value'="${old_value}" \
-                       -f 'src'="${src}" \
-                       -f 'non_clear_duration'="${non_clear_duration}" \
-                       -f 'units'="${units}"
-            retval=$?
-            if [ ${retval} -eq 0 ]
-                then
-                    info "sent pagerduty.com notification for host ${host} ${chart}.${name} using service key ${PD_SERVICE_KEY::-26}....: ${d}"
-                    sent=$((sent + 1))
-                else
-                    error "failed to send pagerduty.com notification for ${host} ${chart}.${name} using service key ${PD_SERVICE_KEY::-26}.... (error code ${retval}): ${d}"
-            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" -a ! -z "${accountsid}" -a ! -z "${accounttoken}" -a ! -z "${twilionumber}" -a ! -z "${recipients}" -a ! -z "${message}" -a ! -z "${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 sender msg_format notify
-
-    # remove <small></small> from the message
-    message="${message//<small>/}"
-    message="${message//<\/small>/}"
-
-    if [ "${SEND_HIPCHAT}" = "YES" -a ! -z "${HIPCHAT_SERVER}" -a ! -z "${authtoken}" -a ! -z "${recipients}" -a ! -z "${message}" ]
-    then
-        # A label to be shown in addition to the sender's name
-        # Valid length range: 0 - 64. 
-        sender="netdata"
-
-        # Valid values: html, text.
-        # Defaults to 'html'.
-        msg_format="html"
-
-        # Background color for message. Valid values: yellow, green, red, purple, gray, random. Defaults to 'yellow'.
-        case "${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 [ "${SEND_MESSAGEBIRD}" = "YES" -a ! -z "${accesskey}" -a ! -z "${messagebirdnumber}" -a ! -z "${recipients}" -a ! -z "${message}" -a ! -z "${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 [ "${SEND_KAVENEGAR}" = "YES" -a ! -z "${API_KEY}" -a ! -z "${kavenegarsender}" -a ! -z "${recipients}" -a ! -z "${message}" -a ! -z "${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}" = "201" ]
-            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 [ "${SEND_TELEGRAM}" = "YES" -a ! -z "${bottoken}" -a ! -z "${chatids}" -a ! -z "${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
-
-        [ ${sent} -gt 0 ] && return 0
-    fi
-
-    return 1
-}
-
-# -----------------------------------------------------------------------------
-# slack sender
-
-send_slack() {
-    local webhook="${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 ${channels}
-    do
-        payload="$(cat <<EOF
-        {
-            "channel": "#${channel}",
-            "username": "netdata on ${host}",
-            "icon_url": "${images_base_url}/images/seo-performance-128.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 <${goto_url}|${this_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 ${status} to '${channel}'"
-            sent=$((sent + 1))
-        else
-            error "failed to send slack 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="${2}" httpcode sent=0 channel severity content
-
-    [ "${SEND_ALERTA}" != "YES" ] && return 1
-
-    case "${status}" in
-        WARNING)  severity="warning" ;;
-        CRITICAL) severity="critical" ;;
-        CLEAR)    severity="cleared" ;;
-        *)        severity="unknown" ;;
-    esac
-
-    info=$( echo -n ${info})
-
-    # the "event" property must be unique and repetible between states to let alerta do automatic correlation using severity value
-    for channel in ${channels}
-    do
-        content="{"
-        content="$content \"environment\": \"${channel}\","
-        content="$content \"service\": [\"${host}\"],"
-        content="$content \"resource\": \"${host}\","
-        content="$content \"event\": \"${name}.${chart} (${family})\","
-        content="$content \"severity\": \"${severity}\","
-        content="$content \"value\": \"${alarm}\","
-        content="$content \"text\": \"${info}\""
-        content="$content }"
-
-
-        httpcode=$(docurl -X POST "${webhook}/alert" -H "Content-Type: application/json" -H "Authorization: Key $ALERTA_API_KEY" -d "$content" )
-
-        if [[ "${httpcode}" = "200" || "${httpcode}" = "201" ]]
-        then
-            info "sent alerta notification for: ${host} ${chart}.${name} is ${status} to '${channel}'"
-            sent=$((sent + 1))
-        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/seo-performance-128.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": "${images_base_url}/images/seo-performance-128.png",
-            "attachments": [
-                {
-                    "color": "${color}",
-                    "title": "${alarm}",
-                    "title_link": "${goto_url}",
-                    "text": "${info}",
-                    "fields": [
-                        {
-                            "title": "${chart}",
-                            "value": "${family}"
-                        }
-                    ],
-                    "thumb_url": "${image}",
-                    "footer_icon": "${images_base_url}/images/seo-performance-128.png",
-                    "footer": "${this_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
-
-    [ ${sent} -gt 0 ] && return 0
-
-    return 1
-}
-
-# -----------------------------------------------------------------------------
-# irc sender
-
-send_irc() {
-    local NICKNAME="${1}" REALNAME="${2}" CHANNELS="${3}" NETWORK="${4}" SERVERNAME="${5}" MESSAGE="${6}" sent=0 channel color send_alarm reply_codes error
-    
-    if [ "${SEND_IRC}" = "YES" -a ! -z "${NICKNAME}" -a ! -z "${REALNAME}" -a ! -z "${CHANNELS}" -a ! -z "${NETWORK}" -a ! -z "${SERVERNAME}" ]
-    then
-        case "${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 ${reply_codes}
-            do
-                [ "${code}" -ge 400 -a "${code}" -le 599 ] && error=1 && break
-            done
-
-            if [ "${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
-    
-    [ ${sent} -gt 0 ] && return 0
-    
-    return 1
-}
-
-
-# -----------------------------------------------------------------------------
-# prepare the content of the notification
-
-# the url to send the user on click
-urlencode "${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="${REPLY}"
-goto_url="${NETDATA_REGISTRY_URL}/goto-host-from-alarm.html?host=${url_host}&chart=${url_chart}&family=${url_family}&alarm=${url_name}&alarm_unique_id=${unique_id}&alarm_id=${alarm_id}&alarm_event_id=${event_id}"
-
-# the severity of the alarm
-severity="${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/seo-performance-128.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" -a "${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" -a "${status}" = "WARNING" ]
-then
-    severity="Demoted to ${status}"
-    if [ ${non_clear_duration} -gt ${duration} ]
-    then
-        raised_for="(alarm is raised for ${non_clear_duration_txt})"
-    fi
-
-else
-    raised_for=
-fi
-
-# prepare HTML versions of elements
-info_html=
-[ ! -z "${info}" ] && info_html=" <small><br/>${info}</small>"
-
-raised_for_html=
-[ ! -z "${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 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=$?
-
-# -----------------------------------------------------------------------------
-# send the irc message
-
-send_irc "${IRC_NICKNAME}" "${IRC_REALNAME}" "${to_irc}" "${IRC_NETWORK}" "${host}" "${host} ${status_message} - ${name//_/ } - ${chart} ----- ${alarm} 
-Severity: ${severity}
-Chart: ${chart}
-Family: ${family}
-${info}"
-
-SENT_IRC=$?
-
-# -----------------------------------------------------------------------------
-# send the custom message
-
-send_custom() {
-    # is it enabled?
-    [ "${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 email
-
-send_email <<EOF
-To: ${to_email}
-Subject: ${host} ${status_message} - ${name//_/ } - ${chart}
-MIME-Version: 1.0
-Content-Type: multipart/alternative; boundary="multipart-boundary"
-
-This is a MIME-encoded multipart message
-
---multipart-boundary
-Content-Type: text/plain; encoding=${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 ${this_host}
-
---multipart-boundary
-Content-Type: text/html; encoding=${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;">
-                                            <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>${this_host}</code>.
-                                        </td>
-                                    </tr>
-                                    </tbody>
-                                </table>
-                            </div>
-                        </td>
-                    </tr>
-                    </tbody>
-                </table>
-            </div>
-        </td>
-    </tr>
-    </tbody>
-</table>
-</body>
-</html>
---multipart-boundary--
-EOF
-
-SENT_EMAIL=$?
-
-# -----------------------------------------------------------------------------
-# let netdata know
-
-if [   ${SENT_EMAIL}        -eq 0 \
-    -o ${SENT_PUSHOVER}     -eq 0 \
-    -o ${SENT_TELEGRAM}     -eq 0 \
-    -o ${SENT_SLACK}        -eq 0 \
-    -o ${SENT_ALERTA}       -eq 0 \
-    -o ${SENT_FLOCK}        -eq 0 \
-    -o ${SENT_DISCORD}      -eq 0 \
-    -o ${SENT_TWILIO}       -eq 0 \
-    -o ${SENT_HIPCHAT}      -eq 0 \
-    -o ${SENT_MESSAGEBIRD}  -eq 0 \
-    -o ${SENT_KAVENEGAR}    -eq 0 \
-    -o ${SENT_PUSHBULLET}   -eq 0 \
-    -o ${SENT_KAFKA}        -eq 0 \
-    -o ${SENT_PD}           -eq 0 \
-    -o ${SENT_IRC}          -eq 0 \
-    -o ${SENT_CUSTOM}       -eq 0 \
-    ]
-    then
-    # we did send something
-    exit 0
-fi
-
-# we did not send anything
-exit 1