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Diffstat (limited to '')
| -rw-r--r-- | health/notifications/alarm-notify.sh | 2298 |
1 files changed, 2298 insertions, 0 deletions
diff --git a/health/notifications/alarm-notify.sh b/health/notifications/alarm-notify.sh new file mode 100644 index 00000000..745a5257 --- /dev/null +++ b/health/notifications/alarm-notify.sh @@ -0,0 +1,2298 @@ +#!/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 "${NETDATA_REGISTRY_URL}" ] && NETDATA_REGISTRY_URL="https://registry.my-netdata.io" +[ -z "${NETDATA_REGISTRY_CLOUD_BASE_URL}" ] && NETDATA_REGISTRY_CLOUD_BASE_URL="https://netdata.cloud" + +# ----------------------------------------------------------------------------- +# parse command line parameters + +if [ ${1} = "unittest" ]; then + unittest=1 # enable unit testing mode + roles="${2}" # the role that should be used for unit testing + cfgfile="${3}" # the location of the config file to use for unit testing + status="${4}" # the current status : REMOVED, UNINITIALIZED, UNDEFINED, CLEAR, WARNING, CRITICAL + old_status="${5}" # the previous status: REMOVED, UNINITIALIZED, UNDEFINED, CLEAR, WARNING, CRITICAL +else + roles="${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= +EMAIL_PLAINTEXT_ONLY= + +# 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_PROWL}" \ + "${SEND_CUSTOM}" \ + "${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}>\\r\\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="$(cat "/var/lib/netdata/registry/netdata.public.unique.id")" + fi + fi + if [ -n "${NETDATA_REGISTRY_UNIQUE_ID}" ]; then + GOTOCLOUD=1 + fi +fi + +if [ ${GOTOCLOUD} -eq 0 ]; then + goto_url="${NETDATA_REGISTRY_URL}/goto-host-from-alarm.html?${redirect_params}" +else + goto_url="${NETDATA_REGISTRY_CLOUD_BASE_URL}/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/> +<small><b>${chart}</b><br/>Chart<br/> </small> +<small><b>${family}</b><br/>Family<br/> </small> +<small><b>${severity}</b><br/>Severity<br/> </small> +<small><b>${date}${raised_for_html}</b><br/>Time<br/> </small> +<a href=\"${goto_url}\">View Netdata</a><br/> +<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}\\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 + +IFS='' read -r -d '' email_plaintext_part <<EOF +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 ${total_critical} CRITICAL alarm(s) raised. +EOF + +if [[ "${EMAIL_PLAINTEXT_ONLY}" == "YES" ]]; then + +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 +${email_plaintext_part} +--multipart-boundary-- +EOF + +else + +IFS='' read -r -d '' email_html_part <<EOF +Content-Type: text/html; encoding=${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> +EOF + +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 +${email_plaintext_part} +--multipart-boundary +${email_html_part} +--multipart-boundary-- +EOF + +fi + +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 |