#!/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 " # ----------------------------------------------------------------------------- # 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="@configdir_POST@" [ -z "${NETDATA_STOCK_CONFIG_DIR}" ] && NETDATA_STOCK_CONFIG_DIR="@libconfigdir_POST@" [ -z "${NETDATA_CACHE_DIR}" ] && NETDATA_CACHE_DIR="@cachedir_POST@" [ -z "${NETDATA_REGISTRY_URL}" ] && NETDATA_REGISTRY_URL="https://registry.my-netdata.io" # ----------------------------------------------------------------------------- # parse command line parameters if [ ${1} = "unittest" ]; then unittest=1 # enable unit testing mode roles="${2}" # the role that should be used for unit testing cfgfile="${3}" # the location of the config file to use for unit testing status="${4}" # the current status : REMOVED, UNINITIALIZED, UNDEFINED, CLEAR, WARNING, CRITICAL old_status="${5}" # the previous status: REMOVED, UNINITIALIZED, UNDEFINED, CLEAR, WARNING, CRITICAL else roles="${1}" # the roles that should be notified for this event args_host="${2}" # the host generated this event unique_id="${3}" # the unique id of this event alarm_id="${4}" # the unique id of the alarm that generated this event event_id="${5}" # the incremental id of the event, for this alarm id when="${6}" # the timestamp this event occurred name="${7}" # the name of the alarm, as given in netdata health.d entries chart="${8}" # the name of the chart (type.id) family="${9}" # the family of the chart status="${10}" # the current status : REMOVED, UNINITIALIZED, UNDEFINED, CLEAR, WARNING, CRITICAL old_status="${11}" # the previous status: REMOVED, UNINITIALIZED, UNDEFINED, CLEAR, WARNING, CRITICAL value="${12}" # the current value of the alarm old_value="${13}" # the previous value of the alarm src="${14}" # the line number and file the alarm has been configured duration="${15}" # the duration in seconds of the previous alarm state non_clear_duration="${16}" # the total duration in seconds this is/was non-clear units="${17}" # the units of the value info="${18}" # a short description of the alarm value_string="${19}" # friendly value (with units) # shellcheck disable=SC2034 # variable is unused, but https://github.com/netdata/netdata/pull/5164#discussion_r255572947 old_value_string="${20}" # friendly old value (with units), previously named "old_value_string" calc_expression="${21}" # contains the expression that was evaluated to trigger the alarm calc_param_values="${22}" # the values of the parameters in the expression, at the time of the evaluation total_warnings="${23}" # Total number of alarms in WARNING state total_critical="${24}" # Total number of alarms in CRITICAL state fi # ----------------------------------------------------------------------------- # find a suitable hostname to use, if netdata did not supply a hostname if [ -z ${args_host} ]; then this_host=$(hostname -s 2>/dev/null) host="${this_host}" args_host="${this_host}" else host="${args_host}" fi # ----------------------------------------------------------------------------- # screen statuses we don't need to send a notification # don't do anything if this is not WARNING, CRITICAL or CLEAR if [ "${status}" != "WARNING" ] && [ "${status}" != "CRITICAL" ] && [ "${status}" != "CLEAR" ]; then info "not sending notification for ${status} of '${host}.${chart}.${name}'" exit 1 fi # don't do anything if this is CLEAR, but it was not WARNING or CRITICAL if [ "${clear_alarm_always}" != "YES" ] && [ "${old_status}" != "WARNING" ] && [ "${old_status}" != "CRITICAL" ] && [ "${status}" = "CLEAR" ]; then info "not sending notification for ${status} of '${host}.${chart}.${name}' (last status was ${old_status})" exit 1 fi # ----------------------------------------------------------------------------- # load configuration # By default fetch images from the global public registry. # This is required by default, since all notification methods need to download # images via the Internet, and private registries might not be reachable. # This can be overwritten at the configuration file. images_base_url="https://registry.my-netdata.io" # curl options to use curl_options="" # hostname handling use_fqdn="NO" # needed commands # if empty they will be searched in the system path curl= sendmail= # enable / disable features for method_name in ${method_names^^}; do declare SEND_${method_name}="YES" declare DEFAULT_RECIPIENT_${method_name} done for method_name in ${method_names}; do declare -A role_recipients_${method_name} done # slack configs SLACK_WEBHOOK_URL= # Microsoft Team configs MSTEAM_WEBHOOK_URL= # rocketchat configs ROCKETCHAT_WEBHOOK_URL= # alerta configs ALERTA_WEBHOOK_URL= ALERTA_API_KEY= # flock configs FLOCK_WEBHOOK_URL= # discord configs DISCORD_WEBHOOK_URL= # pushover configs PUSHOVER_APP_TOKEN= # pushbullet configs PUSHBULLET_ACCESS_TOKEN= PUSHBULLET_SOURCE_DEVICE= # twilio configs TWILIO_ACCOUNT_SID= TWILIO_ACCOUNT_TOKEN= TWILIO_NUMBER= # hipchat configs HIPCHAT_SERVER= HIPCHAT_AUTH_TOKEN= # messagebird configs MESSAGEBIRD_ACCESS_KEY= MESSAGEBIRD_NUMBER= # kavenegar configs KAVENEGAR_API_KEY= KAVENEGAR_SENDER= # telegram configs TELEGRAM_BOT_TOKEN= # kafka configs SEND_KAFKA="YES" KAFKA_URL= KAFKA_SENDER_IP= # pagerduty.com configs PD_SERVICE_KEY= # fleep.io configs FLEEP_SENDER="${host}" # Amazon SNS configs AWSSNS_MESSAGE_FORMAT= # syslog configs SYSLOG_FACILITY= # email configs EMAIL_SENDER= EMAIL_CHARSET=$(locale charmap 2>/dev/null) EMAIL_THREADING= # irc configs IRC_NICKNAME= IRC_REALNAME= IRC_NETWORK= # load the stock and user configuration files # these will overwrite the variables above if [ ${unittest} ]; then if source "${cfgfile}"; then error "Failed to load requested config file." exit 1 fi else for CONFIG in "${NETDATA_STOCK_CONFIG_DIR}/health_alarm_notify.conf" "${NETDATA_USER_CONFIG_DIR}/health_alarm_notify.conf"; do if [ -f "${CONFIG}" ]; then debug "Loading config file '${CONFIG}'..." source "${CONFIG}" || error "Failed to load config file '${CONFIG}'." else warning "Cannot find file '${CONFIG}'." fi done fi # If we didn't autodetect the character set for e-mail and it wasn't # set by the user, we need to set it to a reasonable default. UTF-8 # should be correct for almost all modern UNIX systems. if [ -z ${EMAIL_CHARSET} ]; then EMAIL_CHARSET="UTF-8" fi # If we've been asked to use FQDN's for the URL's in the alarm, do so, # unless we're sending an alarm for a slave system which we can't get the # FQDN of easily. if [ "${use_fqdn}" = "YES" ] && [ "${host}" = "$(hostname -s 2>/dev/null)" ]; then host="$(hostname -f 2>/dev/null)" fi # ----------------------------------------------------------------------------- # filter a recipient based on alarm event severity filter_recipient_by_criticality() { local method="${1}" x="${2}" r s shift r="${x/|*/}" # the recipient s="${x/*|/}" # the severity required for notifying this recipient # no severity filtering for this person [ "${r}" = "${s}" ] && return 0 # the severity is invalid s="${s^^}" if [ "${s}" != "CRITICAL" ]; then error "SEVERITY FILTERING for ${x} VIA ${method}: invalid severity '${s,,}', only 'critical' is supported." return 0 fi # create the status tracking directory for this user [ ! -d "${NETDATA_CACHE_DIR}/alarm-notify/${method}/${r}" ] && mkdir -p "${NETDATA_CACHE_DIR}/alarm-notify/${method}/${r}" case "${status}" in CRITICAL) # make sure he will get future notifications for this alarm too touch "${NETDATA_CACHE_DIR}/alarm-notify/${method}/${r}/${alarm_id}" debug "SEVERITY FILTERING for ${x} VIA ${method}: ALLOW: the alarm is CRITICAL (will now receive next status change)" return 0 ;; WARNING) if [ -f "${NETDATA_CACHE_DIR}/alarm-notify/${method}/${r}/${alarm_id}" ]; then # we do not remove the file, so that he will get future notifications of this alarm debug "SEVERITY FILTERING for ${x} VIA ${method}: ALLOW: recipient has been notified for this alarm in the past (will still receive next status change)" return 0 fi ;; *) if [ -f "${NETDATA_CACHE_DIR}/alarm-notify/${method}/${r}/${alarm_id}" ]; then # remove the file, so that he will only receive notifications for CRITICAL states for this alarm rm "${NETDATA_CACHE_DIR}/alarm-notify/${method}/${r}/${alarm_id}" debug "SEVERITY FILTERING for ${x} VIA ${method}: ALLOW: recipient has been notified for this alarm (will only receive CRITICAL notifications from now on)" return 0 fi ;; esac debug "SEVERITY FILTERING for ${x} VIA ${method}: BLOCK: recipient should not receive this notification" return 1 } # ----------------------------------------------------------------------------- # verify the delivery methods supported # check slack [ -z "${SLACK_WEBHOOK_URL}" ] && SEND_SLACK="NO" # check rocketchat [ -z "${ROCKETCHAT_WEBHOOK_URL}" ] && SEND_ROCKETCHAT="NO" # check alerta [ -z "${ALERTA_WEBHOOK_URL}" ] && SEND_ALERTA="NO" # check flock [ -z "${FLOCK_WEBHOOK_URL}" ] && SEND_FLOCK="NO" # check discord [ -z "${DISCORD_WEBHOOK_URL}" ] && SEND_DISCORD="NO" # check pushover [ -z "${PUSHOVER_APP_TOKEN}" ] && SEND_PUSHOVER="NO" # check pushbullet [ -z "${PUSHBULLET_ACCESS_TOKEN}" ] && SEND_PUSHBULLET="NO" # check twilio { [ -z "${TWILIO_ACCOUNT_TOKEN}" ] || [ -z "${TWILIO_ACCOUNT_SID}" ] || [ -z "${TWILIO_NUMBER}" ]; } && SEND_TWILIO="NO" # check hipchat [ -z "${HIPCHAT_AUTH_TOKEN}" ] && SEND_HIPCHAT="NO" # check messagebird { [ -z "${MESSAGEBIRD_ACCESS_KEY}" ] || [ -z "${MESSAGEBIRD_NUMBER}" ]; } && SEND_MESSAGEBIRD="NO" # check kavenegar { [ -z "${KAVENEGAR_API_KEY}" ] || [ -z "${KAVENEGAR_SENDER}" ]; } && SEND_KAVENEGAR="NO" # check telegram [ -z "${TELEGRAM_BOT_TOKEN}" ] && SEND_TELEGRAM="NO" # check kafka { [ -z "${KAFKA_URL}" ] || [ -z "${KAFKA_SENDER_IP}" ]; } && SEND_KAFKA="NO" # check irc [ -z "${IRC_NETWORK}" ] && SEND_IRC="NO" # check fleep #shellcheck disable=SC2153 { [ -z "${FLEEP_SERVER}" ] || [ -z "${FLEEP_SENDER}" ]; } && SEND_FLEEP="NO" if [ "${SEND_PUSHOVER}" = "YES" ] || [ "${SEND_SLACK}" = "YES" ] || [ "${SEND_ROCKETCHAT}" = "YES" ] || [ "${SEND_ALERTA}" = "YES" ] || [ "${SEND_PD}" = "YES" ] || [ "${SEND_FLOCK}" = "YES" ] || [ "${SEND_DISCORD}" = "YES" ] || [ "${SEND_HIPCHAT}" = "YES" ] || [ "${SEND_TWILIO}" = "YES" ] || [ "${SEND_MESSAGEBIRD}" = "YES" ] || [ "${SEND_KAVENEGAR}" = "YES" ] || [ "${SEND_TELEGRAM}" = "YES" ] || [ "${SEND_PUSHBULLET}" = "YES" ] || [ "${SEND_KAFKA}" = "YES" ] || [ "${SEND_FLEEP}" = "YES" ] || [ "${SEND_PROWL}" = "YES" ] || [ "${SEND_CUSTOM}" = "YES" ] || [ "${SEND_MSTEAM}" = "YES" ]; then # if we need curl, check for the curl command if [ -z "${curl}" ]; then curl="$(command -v curl 2>/dev/null)" fi if [ -z "${curl}" ]; then error "Cannot find curl command in the system path. Disabling all curl based notifications." SEND_PUSHOVER="NO" SEND_PUSHBULLET="NO" SEND_TELEGRAM="NO" SEND_SLACK="NO" SEND_MSTEAM="NO" SEND_ROCKETCHAT="NO" SEND_ALERTA="NO" SEND_PD="NO" SEND_FLOCK="NO" SEND_DISCORD="NO" SEND_TWILIO="NO" SEND_HIPCHAT="NO" SEND_MESSAGEBIRD="NO" SEND_KAVENEGAR="NO" SEND_KAFKA="NO" SEND_FLEEP="NO" SEND_PROWL="NO" SEND_CUSTOM="NO" fi fi # if we need sendmail, check for the sendmail command if [ "${SEND_EMAIL}" = "YES" ] && [ -z "${sendmail}" ]; then sendmail="$(command -v sendmail 2>/dev/null)" if [ -z "${sendmail}" ]; then debug "Cannot find sendmail command in the system path. Disabling email notifications." SEND_EMAIL="NO" fi fi # if we need logger, check for the logger command if [ "${SEND_SYSLOG}" = "YES" ] && [ -z "${logger}" ]; then logger="$(command -v logger 2>/dev/null)" if [ -z "${logger}" ]; then debug "Cannot find logger command in the system path. Disabling syslog notifications." SEND_SYSLOG="NO" fi fi # if we need aws, check for the aws command if [ "${SEND_AWSSNS}" = "YES" ] && [ -z "${aws}" ]; then aws="$(command -v aws 2>/dev/null)" if [ -z "${aws}" ]; then debug "Cannot find aws command in the system path. Disabling Amazon SNS notifications." SEND_AWSSNS="NO" fi fi # ----------------------------------------------------------------------------- # find the recipients' addresses per method # netdata may call us with multiple roles, and roles may have multiple but # overlapping recipients - so, here we find the unique recipients. for method_name in ${method_names}; do send_var="SEND_${method_name^^}" if [ "${!send_var}" = "NO" ]; then continue fi declare -A arr_var=() for x in ${roles//,/ }; do # the roles 'silent' and 'disabled' mean: # don't send a notification for this role if [ "${x}" = "silent" ] || [ "${x}" = "disabled" ]; then continue fi role_recipients="role_recipients_${method_name}[$x]" default_recipient_var="DEFAULT_RECIPIENT_${method_name^^}" a="${!role_recipients}" [ -z "${a}" ] && a="${!default_recipient_var}" for r in ${a//,/ }; do [ "${r}" != "disabled" ] && filter_recipient_by_criticality ${method_name} "${r}" && arr_var[${r/|*/}]="1" done done # build the list of recipients to_var="to_${method_name}" declare to_${method_name}="${!arr_var[*]}" [ -z "${!to_var}" ] && declare ${send_var}="NO" done # ----------------------------------------------------------------------------- # handle fixup of the email recipient list. fix_to_email() { to_email= while [ -n "${1}" ]; do [ -n "${to_email}" ] && to_email="${to_email}, " to_email="${to_email}${1}" shift 1 done } # ${to_email} without quotes here fix_to_email ${to_email} # ----------------------------------------------------------------------------- # handle output if we're running in unit test mode if [ ${unittest} ]; then for method_name in ${method_names}; do to_var="to_${method_name}" echo "results: ${method_name}: ${!to_var}" done exit 0 fi # ----------------------------------------------------------------------------- # check that we have at least a method enabled proceed=0 for method in "${SEND_EMAIL}" \ "${SEND_PUSHOVER}" \ "${SEND_TELEGRAM}" \ "${SEND_SLACK}" \ "${SEND_ROCKETCHAT}" \ "${SEND_ALERTA}" \ "${SEND_FLOCK}" \ "${SEND_DISCORD}" \ "${SEND_TWILIO}" \ "${SEND_HIPCHAT}" \ "${SEND_MESSAGEBIRD}" \ "${SEND_KAVENEGAR}" \ "${SEND_PUSHBULLET}" \ "${SEND_KAFKA}" \ "${SEND_PD}" \ "${SEND_FLEEP}" \ "${SEND_CUSTOM}" \ "${SEND_IRC}" \ "${SEND_AWSSNS}" \ "${SEND_SYSLOG}" \ "${SEND_MSTEAM}"; do if [ "${method}" == "YES" ]; then proceed=1 break fi done if [ "$proceed" -eq 0 ]; then fatal "All notification methods are disabled. Not sending notification for host '${host}', chart '${chart}' to '${roles}' for '${name}' = '${value}' for status '${status}'." fi # ----------------------------------------------------------------------------- # get the date the alarm happened date=$(date --date=@${when} "${date_format}" 2>/dev/null) [ -z "${date}" ] && date=$(date "${date_format}" 2>/dev/null) [ -z "${date}" ] && date=$(date --date=@${when} 2>/dev/null) [ -z "${date}" ] && date=$(date 2>/dev/null) # ---------------------------------------------------------------------------- # prepare some extra headers if we've been asked to thread e-mails if [ "${SEND_EMAIL}" == "YES" ] && [ "${EMAIL_THREADING}" != "NO" ]; then email_thread_headers="In-Reply-To: <${chart}-${name}@${host}>\\nReferences: <${chart}-${name}@${host}>" else email_thread_headers= fi # ----------------------------------------------------------------------------- # function to URL encode a string urlencode() { local string="${1}" strlen encoded pos c o strlen=${#string} for ((pos = 0; pos < strlen; pos++)); do c=${string:pos:1} case "${c}" in [-_.~a-zA-Z0-9]) o="${c}" ;; *) printf -v o '%%%02x' "'${c}" ;; esac encoded+="${o}" done REPLY="${encoded}" echo "${REPLY}" } # ----------------------------------------------------------------------------- # function to convert a duration in seconds, to a human readable duration # using DAYS, MINUTES, SECONDS duration4human() { local s="${1}" d=0 h=0 m=0 ds="day" hs="hour" ms="minute" ss="second" ret d=$((s / 86400)) s=$((s - (d * 86400))) h=$((s / 3600)) s=$((s - (h * 3600))) m=$((s / 60)) s=$((s - (m * 60))) if [ ${d} -gt 0 ]; then [ ${m} -ge 30 ] && h=$((h + 1)) [ ${d} -gt 1 ] && ds="days" [ ${h} -gt 1 ] && hs="hours" if [ ${h} -gt 0 ]; then ret="${d} ${ds} and ${h} ${hs}" else ret="${d} ${ds}" fi elif [ ${h} -gt 0 ]; then [ ${s} -ge 30 ] && m=$((m + 1)) [ ${h} -gt 1 ] && hs="hours" [ ${m} -gt 1 ] && ms="minutes" if [ ${m} -gt 0 ]; then ret="${h} ${hs} and ${m} ${ms}" else ret="${h} ${hs}" fi elif [ ${m} -gt 0 ]; then [ ${m} -gt 1 ] && ms="minutes" [ ${s} -gt 1 ] && ss="seconds" if [ ${s} -gt 0 ]; then ret="${m} ${ms} and ${s} ${ss}" else ret="${m} ${ms}" fi else [ ${s} -gt 1 ] && ss="seconds" ret="${s} ${ss}" fi REPLY="${ret}" echo "${REPLY}" } # ----------------------------------------------------------------------------- # email sender send_email() { local ret opts=() sender_email="${EMAIL_SENDER}" sender_name= if [ "${SEND_EMAIL}" = "YES" ]; then if [ -n "${EMAIL_SENDER}" ]; then if [[ ${EMAIL_SENDER} =~ ^\".*\"\ \<.*\>$ ]]; then # the name includes double quotes sender_email="$(echo "${EMAIL_SENDER}" | cut -d '<' -f 2 | cut -d '>' -f 1)" sender_name="$(echo "${EMAIL_SENDER}" | cut -d '"' -f 2)" elif [[ ${EMAIL_SENDER} =~ ^\'.*\'\ \<.*\>$ ]]; then # the name includes single quotes sender_email="$(echo "${EMAIL_SENDER}" | cut -d '<' -f 2 | cut -d '>' -f 1)" sender_name="$(echo "${EMAIL_SENDER}" | cut -d "'" -f 2)" elif [[ ${EMAIL_SENDER} =~ ^.*\ \<.*\>$ ]]; then # the name does not have any quotes sender_email="$(echo "${EMAIL_SENDER}" | cut -d '<' -f 2 | cut -d '>' -f 1)" sender_name="$(echo "${EMAIL_SENDER}" | cut -d '<' -f 1)" fi fi [ -n "${sender_email}" ] && opts+=(-f "${sender_email}") [ -n "${sender_name}" ] && opts+=(-F "${sender_name}") if [ "${debug}" = "1" ]; then echo >&2 "--- BEGIN sendmail command ---" printf >&2 "%q " "${sendmail}" -t "${opts[@]}" echo >&2 echo >&2 "--- END sendmail command ---" fi "${sendmail}" -t "${opts[@]}" ret=$? if [ ${ret} -eq 0 ]; then info "sent email notification for: ${host} ${chart}.${name} is ${status} to '${to_email}'" return 0 else error "failed to send email notification for: ${host} ${chart}.${name} is ${status} to '${to_email}' with error code ${ret}." return 1 fi fi return 1 } # ----------------------------------------------------------------------------- # pushover sender send_pushover() { local apptoken="${1}" usertokens="${2}" when="${3}" url="${4}" status="${5}" title="${6}" message="${7}" httpcode sent=0 user priority if [ "${SEND_PUSHOVER}" = "YES" ] && [ -n "${apptoken}" ] && [ -n "${usertokens}" ] && [ -n "${title}" ] && [ -n "${message}" ]; then # https://pushover.net/api priority=-2 case "${status}" in CLEAR) priority=-1 ;; # low priority: no sound or vibration WARNING) priority=0 ;; # normal priority: respect quiet hours CRITICAL) priority=1 ;; # high priority: bypass quiet hours *) priority=-2 ;; # lowest priority: no notification at all esac for user in ${usertokens}; do httpcode=$(docurl \ --form-string "token=${apptoken}" \ --form-string "user=${user}" \ --form-string "html=1" \ --form-string "title=${title}" \ --form-string "message=${message}" \ --form-string "timestamp=${when}" \ --form-string "url=${url}" \ --form-string "url_title=Open netdata dashboard to view the alarm" \ --form-string "priority=${priority}" \ https://api.pushover.net/1/messages.json) if [ "${httpcode}" = "200" ]; then info "sent pushover notification for: ${host} ${chart}.${name} is ${status} to '${user}'" sent=$((sent + 1)) else error "failed to send pushover notification for: ${host} ${chart}.${name} is ${status} to '${user}' with HTTP error code ${httpcode}." fi done [ ${sent} -gt 0 ] && return 0 fi return 1 } # ----------------------------------------------------------------------------- # pushbullet sender send_pushbullet() { local userapikey="${1}" source_device="${2}" recipients="${3}" url="${4}" title="${5}" message="${6}" httpcode sent=0 user if [ "${SEND_PUSHBULLET}" = "YES" ] && [ -n "${userapikey}" ] && [ -n "${recipients}" ] && [ -n "${message}" ] && [ -n "${title}" ]; then #https://docs.pushbullet.com/#create-push for user in ${recipients}; do httpcode=$(docurl \ --header 'Access-Token: '${userapikey}'' \ --header 'Content-Type: application/json' \ --data-binary @<( cat <<EOF {"title": "${title}", "type": "link", "email": "${user}", "body": "$(echo -n ${message})", "url": "${url}", "source_device_iden": "${source_device}"} EOF ) "https://api.pushbullet.com/v2/pushes" -X POST) if [ "${httpcode}" = "200" ]; then info "sent pushbullet notification for: ${host} ${chart}.${name} is ${status} to '${user}'" sent=$((sent + 1)) else error "failed to send pushbullet notification for: ${host} ${chart}.${name} is ${status} to '${user}' with HTTP error code ${httpcode}." fi done [ ${sent} -gt 0 ] && return 0 fi return 1 } # ----------------------------------------------------------------------------- # kafka sender send_kafka() { local httpcode sent=0 if [ "${SEND_KAFKA}" = "YES" ]; then httpcode=$(docurl -X POST \ --data "{host_ip:\"${KAFKA_SENDER_IP}\",when:${when},name:\"${name}\",chart:\"${chart}\",family:\"${family}\",status:\"${status}\",old_status:\"${old_status}\",value:${value},old_value:${old_value},duration:${duration},non_clear_duration:${non_clear_duration},units:\"${units}\",info:\"${info}\"}" \ "${KAFKA_URL}") if [ "${httpcode}" = "204" ]; then info "sent kafka data for: ${host} ${chart}.${name} is ${status} and ip '${KAFKA_SENDER_IP}'" sent=$((sent + 1)) else error "failed to send kafka data for: ${host} ${chart}.${name} is ${status} and ip '${KAFKA_SENDER_IP}' with HTTP error code ${httpcode}." fi [ ${sent} -gt 0 ] && return 0 fi return 1 } # ----------------------------------------------------------------------------- # pagerduty.com sender send_pd() { local recipients="${1}" sent=0 unset t case ${status} in CLEAR) t='resolve' ;; WARNING) t='trigger' ;; CRITICAL) t='trigger' ;; esac if [ ${SEND_PD} = "YES" ] && [ -n "${t}" ]; then for PD_SERVICE_KEY in ${recipients}; do d="${status} ${name} = ${value_string} - ${host}, ${family}" payload="$( cat <<EOF { "service_key": "${PD_SERVICE_KEY}", "event_type": "${t}", "incident_key" : "${alarm_id}", "description": "${d}", "details": { "value_w_units": "${value_string}", "when": "${when}", "duration" : "${duration}", "roles": "${roles}", "alarm_id" : "${alarm_id}", "name" : "${name}", "chart" : "${chart}", "family" : "${family}", "status" : "${status}", "old_status" : "${old_status}", "value" : "${value}", "old_value" : "${old_value}", "src" : "${src}", "non_clear_duration" : "${non_clear_duration}", "units" : "${units}", "info" : "${info}" } } EOF )" httpcode=$(docurl -X POST --data "${payload}" "https://events.pagerduty.com/generic/2010-04-15/create_event.json") if [ "${httpcode}" = "200" ]; then info "sent pagerduty notification for: ${host} ${chart}.${name} is ${status}'" sent=$((sent + 1)) else error "failed to send pagerduty notification for: ${host} ${chart}.${name} is ${status}, with HTTP error code ${httpcode}." fi done [ ${sent} -gt 0 ] && return 0 fi return 1 } # ----------------------------------------------------------------------------- # twilio sender send_twilio() { local accountsid="${1}" accounttoken="${2}" twilionumber="${3}" recipients="${4}" title="${5}" message="${6}" httpcode sent=0 user if [ "${SEND_TWILIO}" = "YES" ] && [ -n "${accountsid}" ] && [ -n "${accounttoken}" ] && [ -n "${twilionumber}" ] && [ -n "${recipients}" ] && [ -n "${message}" ] && [ -n "${title}" ]; then #https://www.twilio.com/packages/labs/code/bash/twilio-sms for user in ${recipients}; do httpcode=$(docurl -X POST \ --data-urlencode "From=${twilionumber}" \ --data-urlencode "To=${user}" \ --data-urlencode "Body=${title} ${message}" \ -u "${accountsid}:${accounttoken}" \ "https://api.twilio.com/2010-04-01/Accounts/${accountsid}/Messages.json") if [ "${httpcode}" = "201" ]; then info "sent Twilio SMS for: ${host} ${chart}.${name} is ${status} to '${user}'" sent=$((sent + 1)) else error "failed to send Twilio SMS for: ${host} ${chart}.${name} is ${status} to '${user}' with HTTP error code ${httpcode}." fi done [ ${sent} -gt 0 ] && return 0 fi return 1 } # ----------------------------------------------------------------------------- # hipchat sender send_hipchat() { local authtoken="${1}" recipients="${2}" message="${3}" httpcode sent=0 room color msg_format notify # remove <small></small> from the message message="${message//<small>/}" message="${message//<\/small>/}" if [ "${SEND_HIPCHAT}" = "YES" ] && [ -n "${HIPCHAT_SERVER}" ] && [ -n "${authtoken}" ] && [ -n "${recipients}" ] && [ -n "${message}" ]; then # Valid values: html, text. # Defaults to 'html'. msg_format="html" # Background color for message. Valid values: yellow, green, red, purple, gray, random. Defaults to 'yellow'. case "${status}" in WARNING) color="yellow" ;; CRITICAL) color="red" ;; CLEAR) color="green" ;; *) color="gray" ;; esac # Whether this message should trigger a user notification (change the tab color, play a sound, notify mobile phones, etc). # Each recipient's notification preferences are taken into account. # Defaults to false. notify="true" for room in ${recipients}; do httpcode=$(docurl -X POST \ -H "Content-type: application/json" \ -H "Authorization: Bearer ${authtoken}" \ -d "{\"color\": \"${color}\", \"from\": \"${host}\", \"message_format\": \"${msg_format}\", \"message\": \"${message}\", \"notify\": \"${notify}\"}" \ "https://${HIPCHAT_SERVER}/v2/room/${room}/notification") if [ "${httpcode}" = "204" ]; then info "sent HipChat notification for: ${host} ${chart}.${name} is ${status} to '${room}'" sent=$((sent + 1)) else error "failed to send HipChat notification for: ${host} ${chart}.${name} is ${status} to '${room}' with HTTP error code ${httpcode}." fi done [ ${sent} -gt 0 ] && return 0 fi return 1 } # ----------------------------------------------------------------------------- # messagebird sender send_messagebird() { local accesskey="${1}" messagebirdnumber="${2}" recipients="${3}" title="${4}" message="${5}" httpcode sent=0 user if [ "${SEND_MESSAGEBIRD}" = "YES" ] && [ -n "${accesskey}" ] && [ -n "${messagebirdnumber}" ] && [ -n "${recipients}" ] && [ -n "${message}" ] && [ -n "${title}" ]; then #https://developers.messagebird.com/docs/messaging for user in ${recipients}; do httpcode=$(docurl -X POST \ --data-urlencode "originator=${messagebirdnumber}" \ --data-urlencode "recipients=${user}" \ --data-urlencode "body=${title} ${message}" \ --data-urlencode "datacoding=auto" \ -H "Authorization: AccessKey ${accesskey}" \ "https://rest.messagebird.com/messages") if [ "${httpcode}" = "201" ]; then info "sent Messagebird SMS for: ${host} ${chart}.${name} is ${status} to '${user}'" sent=$((sent + 1)) else error "failed to send Messagebird SMS for: ${host} ${chart}.${name} is ${status} to '${user}' with HTTP error code ${httpcode}." fi done [ ${sent} -gt 0 ] && return 0 fi return 1 } # ----------------------------------------------------------------------------- # kavenegar sender send_kavenegar() { local API_KEY="${1}" kavenegarsender="${2}" recipients="${3}" title="${4}" message="${5}" httpcode sent=0 user if [ "${SEND_KAVENEGAR}" = "YES" ] && [ -n "${API_KEY}" ] && [ -n "${kavenegarsender}" ] && [ -n "${recipients}" ] && [ -n "${message}" ] && [ -n "${title}" ]; then # http://api.kavenegar.com/v1/{API-KEY}/sms/send.json for user in ${recipients}; do httpcode=$(docurl -X POST http://api.kavenegar.com/v1/${API_KEY}/sms/send.json \ --data-urlencode "sender=${kavenegarsender}" \ --data-urlencode "receptor=${user}" \ --data-urlencode "message=${title} ${message}") if [ "${httpcode}" = "200" ]; then info "sent Kavenegar SMS for: ${host} ${chart}.${name} is ${status} to '${user}'" sent=$((sent + 1)) else error "failed to send Kavenegar SMS for: ${host} ${chart}.${name} is ${status} to '${user}' with HTTP error code ${httpcode}." fi done [ ${sent} -gt 0 ] && return 0 fi return 1 } # ----------------------------------------------------------------------------- # telegram sender send_telegram() { local bottoken="${1}" chatids="${2}" message="${3}" httpcode sent=0 chatid emoji disableNotification="" if [ "${status}" = "CLEAR" ]; then disableNotification="--data-urlencode disable_notification=true"; fi case "${status}" in WARNING) emoji="⚠️" ;; CRITICAL) emoji="🔴" ;; CLEAR) emoji="✅" ;; *) emoji="⚪️" ;; esac if [ "${SEND_TELEGRAM}" = "YES" ] && [ -n "${bottoken}" ] && [ -n "${chatids}" ] && [ -n "${message}" ]; then for chatid in ${chatids}; do # https://core.telegram.org/bots/api#sendmessage httpcode=$(docurl ${disableNotification} \ --data-urlencode "parse_mode=HTML" \ --data-urlencode "disable_web_page_preview=true" \ --data-urlencode "text=${emoji} ${message}" \ "https://api.telegram.org/bot${bottoken}/sendMessage?chat_id=${chatid}") if [ "${httpcode}" = "200" ]; then info "sent telegram notification for: ${host} ${chart}.${name} is ${status} to '${chatid}'" sent=$((sent + 1)) elif [ "${httpcode}" = "401" ]; then error "failed to send telegram notification for: ${host} ${chart}.${name} is ${status} to '${chatid}': Wrong bot token." else error "failed to send telegram notification for: ${host} ${chart}.${name} is ${status} to '${chatid}' with HTTP error code ${httpcode}." fi done [ ${sent} -gt 0 ] && return 0 fi return 1 } # ----------------------------------------------------------------------------- # Microsoft Team sender send_msteam() { local webhook="${1}" channels="${2}" httpcode sent=0 channel color payload [ "${SEND_MSTEAM}" != "YES" ] && return 1 case "${status}" in WARNING) icon="${MSTEAM_ICON_WARNING}" && color="${MSTEAM_COLOR_WARNING}" ;; CRITICAL) icon="${MSTEAM_ICON_CRITICAL}" && color="${MSTEAM_COLOR_CRITICAL}" ;; CLEAR) icon="${MSTEAM_ICON_CLEAR}" && color="${MSTEAM_COLOR_CLEAR}" ;; *) icon="${MSTEAM_ICON_DEFAULT}" && color="${MSTEAM_COLOR_DEFAULT}" ;; esac for channel in ${channels}; do ## More details are available here regarding the payload syntax options : https://docs.microsoft.com/en-us/outlook/actionable-messages/message-card-reference ## Online designer : https://acdesignerbeta.azurewebsites.net/ payload="$( cat <<EOF { "@context": "http://schema.org/extensions", "@type": "MessageCard", "themeColor": "${color}", "title": "$icon Alert ${status} from netdata for ${host}", "text": "${host} ${status_message}, ${chart} (_${family}_), *${alarm}*", "potentialAction": [ { "@type": "OpenUri", "name": "Netdata", "targets": [ { "os": "default", "uri": "${goto_url}" } ] } ] } EOF )" # Replacing in the webhook CHANNEL string by the MS Teams channel name from conf file. webhook="${webhook//CHANNEL/${channel}}" httpcode=$(docurl -H "Content-Type: application/json" -d "${payload}" "${webhook}") if [ "${httpcode}" = "200" ]; then info "sent Microsoft team notification for: ${host} ${chart}.${name} is ${status} to '${webhook}'" sent=$((sent + 1)) else error "failed to send Microsoft team notification for: ${host} ${chart}.${name} is ${status} to '${webhook}', with HTTP error code ${httpcode}." fi done [ ${sent} -gt 0 ] && return 0 return 1 } # slack sender send_slack() { local webhook="${1}" channels="${2}" httpcode sent=0 channel color payload [ "${SEND_SLACK}" != "YES" ] && return 1 case "${status}" in WARNING) color="warning" ;; CRITICAL) color="danger" ;; CLEAR) color="good" ;; *) color="#777777" ;; esac for channel in ${channels}; do # Default entry in the recipient is without a hash in front (backwards-compatible). Accept specification of channel or user. if [ "${channel::1}" != "#" ] && [ "${channel::1}" != "@" ]; then channel="#$channel"; fi # If channel is equal to "#" then do not send the channel attribute at all. Slack also defines channels and users in webhooks. if [ "${channel}" = "#" ]; then ch="" chstr="without specifying a channel" else ch="\"channel\": \"${channel}\"," chstr="to '${channel}'" fi payload="$( cat <<EOF { $ch "username": "netdata on ${host}", "icon_url": "${images_base_url}/images/banner-icon-144x144.png", "text": "${host} ${status_message}, \`${chart}\` (_${family}_), *${alarm}*", "attachments": [ { "fallback": "${alarm} - ${chart} (${family}) - ${info}", "color": "${color}", "title": "${alarm}", "title_link": "${goto_url}", "text": "${info}", "fields": [ { "title": "${chart}", "short": true }, { "title": "${family}", "short": true } ], "thumb_url": "${image}", "footer": "by <${goto_url}|${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 $? } # ----------------------------------------------------------------------------- # prepare the content of the notification # the url to send the user on click urlencode "${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 "@registrydir_POST@/netdata.public.unique.id" ]; then NETDATA_REGISTRY_UNIQUE_ID="$(cat "@registrydir_POST@/netdata.public.unique.id")" fi fi if [ ! -z "${NETDATA_REGISTRY_UNIQUE_ID}" ]; then GOTOCLOUD=1 fi fi if [ ${GOTOCLOUD} -eq 0 ]; then goto_url="${NETDATA_REGISTRY_URL}/goto-host-from-alarm.html?${redirect_params}" else goto_url="https://netdata.cloud/alarms/redirect?agentID=${NETDATA_REGISTRY_UNIQUE_ID}&${redirect_params}" fi # the severity of the alarm severity="${status}" # the time the alarm was raised duration4human ${duration} >/dev/null duration_txt="${REPLY}" duration4human ${non_clear_duration} >/dev/null non_clear_duration_txt="${REPLY}" raised_for="(was ${old_status,,} for ${duration_txt})" # the key status message status_message="status unknown" # the color of the alarm color="grey" # the alarm value alarm="${name//_/ } = ${value_string}" # the image of the alarm image="${images_base_url}/images/banner-icon-144x144.png" # prepare the title based on status case "${status}" in CRITICAL) image="${images_base_url}/images/alert-128-red.png" status_message="is critical" color="#ca414b" ;; WARNING) image="${images_base_url}/images/alert-128-orange.png" status_message="needs attention" color="#ffc107" ;; CLEAR) image="${images_base_url}/images/check-mark-2-128-green.png" status_message="recovered" color="#77ca6d" ;; esac if [ "${status}" = "CLEAR" ]; then severity="Recovered from ${old_status}" if [ ${non_clear_duration} -gt ${duration} ]; then raised_for="(alarm was raised for ${non_clear_duration_txt})" fi # don't show the value when the status is CLEAR # for certain alarms, this value might not have any meaning alarm="${name//_/ } ${raised_for}" elif { [ "${old_status}" = "WARNING" ] && [ "${status}" = "CRITICAL" ]; }; then severity="Escalated to ${status}" if [ ${non_clear_duration} -gt ${duration} ]; then raised_for="(alarm is raised for ${non_clear_duration_txt})" fi elif { [ "${old_status}" = "CRITICAL" ] && [ "${status}" = "WARNING" ]; }; then severity="Demoted to ${status}" if [ ${non_clear_duration} -gt ${duration} ]; then raised_for="(alarm is raised for ${non_clear_duration_txt})" fi else raised_for= fi # prepare HTML versions of elements info_html= [ -n "${info}" ] && info_html=" <small><br/>${info}</small>" raised_for_html= [ -n "${raised_for}" ] && raised_for_html="<br/><small>${raised_for}</small>" # ----------------------------------------------------------------------------- # send the slack notification # slack aggregates posts from the same username # so we use "${host} ${status}" as the bot username, to make them diff send_slack "${SLACK_WEBHOOK_URL}" "${to_slack}" SENT_SLACK=$? # ----------------------------------------------------------------------------- # send the Microsoft notification # Microsoft team aggregates posts from the same username # so we use "${host} ${status}" as the bot username, to make them diff send_msteam "${MSTEAM_WEBHOOK_URL}" "${to_msteam}" SENT_MSTEAM=$? # ----------------------------------------------------------------------------- # send the rocketchat notification # rocketchat aggregates posts from the same username # so we use "${host} ${status}" as the bot username, to make them diff send_rocketchat "${ROCKETCHAT_WEBHOOK_URL}" "${to_rocketchat}" SENT_ROCKETCHAT=$? # ----------------------------------------------------------------------------- # send the alerta notification # alerta aggregates posts from the same username # so we use "${host} ${status}" as the bot username, to make them diff send_alerta "${ALERTA_WEBHOOK_URL}" "${to_alerta}" SENT_ALERTA=$? # ----------------------------------------------------------------------------- # send the flock notification # flock aggregates posts from the same username # so we use "${host} ${status}" as the bot username, to make them diff send_flock "${FLOCK_WEBHOOK_URL}" "${to_flock}" SENT_FLOCK=$? # ----------------------------------------------------------------------------- # send the discord notification # discord aggregates posts from the same username # so we use "${host} ${status}" as the bot username, to make them diff send_discord "${DISCORD_WEBHOOK_URL}" "${to_discord}" SENT_DISCORD=$? # ----------------------------------------------------------------------------- # send the pushover notification send_pushover "${PUSHOVER_APP_TOKEN}" "${to_pushover}" "${when}" "${goto_url}" "${status}" "${host} ${status_message} - ${name//_/ } - ${chart}" " <font color=\"${color}\"><b>${alarm}</b></font>${info_html}<br/> <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 $(date -d @${when})\\n The source of this alarm is line ${src}" SENT_PUSHBULLET=$? # ----------------------------------------------------------------------------- # send the twilio SMS send_twilio "${TWILIO_ACCOUNT_SID}" "${TWILIO_ACCOUNT_TOKEN}" "${TWILIO_NUMBER}" "${to_twilio}" "${host} ${status_message} - ${name//_/ } - ${chart}" "${alarm} Severity: ${severity} Chart: ${chart} Family: ${family} ${info}" SENT_TWILIO=$? # ----------------------------------------------------------------------------- # send the messagebird SMS send_messagebird "${MESSAGEBIRD_ACCESS_KEY}" "${MESSAGEBIRD_NUMBER}" "${to_messagebird}" "${host} ${status_message} - ${name//_/ } - ${chart}" "${alarm} Severity: ${severity} Chart: ${chart} Family: ${family} ${info}" SENT_MESSAGEBIRD=$? # ----------------------------------------------------------------------------- # send the kavenegar SMS send_kavenegar "${KAVENEGAR_API_KEY}" "${KAVENEGAR_SENDER}" "${to_kavenegar}" "${host} ${status_message} - ${name//_/ } - ${chart}" "${alarm} Severity: ${severity} Chart: ${chart} Family: ${family} ${info}" SENT_KAVENEGAR=$? # ----------------------------------------------------------------------------- # send the telegram.org message # https://core.telegram.org/bots/api#formatting-options send_telegram "${TELEGRAM_BOT_TOKEN}" "${to_telegram}" "${host} ${status_message} - <b>${name//_/ }</b> ${chart} (${family}) <a href=\"${goto_url}\">${alarm}</a> <i>${info}</i>" SENT_TELEGRAM=$? # ----------------------------------------------------------------------------- # send the kafka message send_kafka SENT_KAFKA=$? # ----------------------------------------------------------------------------- # send the pagerduty.com message send_pd "${to_pd}" SENT_PD=$? # ----------------------------------------------------------------------------- # send the fleep message send_fleep "${to_fleep}" SENT_FLEEP=$? # ----------------------------------------------------------------------------- # send the Prowl message send_prowl "${to_prowl}" SENT_PROWL=$? # ----------------------------------------------------------------------------- # send the irc message send_irc "${IRC_NICKNAME}" "${IRC_REALNAME}" "${to_irc}" "${IRC_NETWORK}" "${host}" "${host} ${status_message} - ${name//_/ } - ${chart} ----- ${alarm} Severity: ${severity} Chart: ${chart} Family: ${family} ${info}" SENT_IRC=$? # ----------------------------------------------------------------------------- # send the custom message send_custom() { # is it enabled? [ "${SEND_CUSTOM}" != "YES" ] && return 1 # do we have any sender? [ -z "${1}" ] && return 1 # call the custom_sender function custom_sender "${@}" } send_custom "${to_custom}" SENT_CUSTOM=$? # ----------------------------------------------------------------------------- # send hipchat message send_hipchat "${HIPCHAT_AUTH_TOKEN}" "${to_hipchat}" " \ ${host} ${status_message}<br/> \ <b>${alarm}</b> ${info_html}<br/> \ <b>${chart}</b> (family <b>${family}</b>)<br/> \ <b>${date}${raised_for_html}</b><br/> \ <a href=\\\"${goto_url}\\\">View netdata dashboard</a> \ (source of alarm ${src}) \ " SENT_HIPCHAT=$? # ----------------------------------------------------------------------------- # send the Amazon SNS message send_awssns "${to_awssns}" SENT_AWSSNS=$? # ----------------------------------------------------------------------------- # send the syslog message send_syslog "${to_syslog}" SENT_SYSLOG=$? # ----------------------------------------------------------------------------- # send the email send_email <<EOF To: ${to_email} Subject: ${host} ${status_message} - ${name//_/ } - ${chart} MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="multipart-boundary" ${email_thread_headers} This is a MIME-encoded multipart message --multipart-boundary Content-Type: text/plain; encoding=${EMAIL_CHARSET} Content-Disposition: inline Content-Transfer-Encoding: 8bit ${host} ${status_message} ${alarm} ${info} ${raised_for} Chart : ${chart} Family : ${family} Severity: ${severity} URL : ${goto_url} Source : ${src} Date : ${date} Notification generated on ${host} Evaluated Expression : ${calc_expression} Expression Variables : ${calc_param_values} The host has ${total_warnings} WARNING and ${total_critical} CRITICAL alarm(s) raised. --multipart-boundary Content-Type: text/html; encoding=${EMAIL_CHARSET} Content-Disposition: inline Content-Transfer-Encoding: 8bit <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 14px; margin: 0; padding: 0;"> <body style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 14px; width: 100% !important; min-height: 100%; line-height: 1.6; background: #f6f6f6; margin:0; padding: 0;"> <table> <tbody> <tr> <td style="vertical-align: top;" valign="top"></td> <td width="700" style="vertical-align: top; display: block !important; max-width: 700px !important; clear: both !important; margin: 0 auto; padding: 0;" valign="top"> <div style="max-width: 700px; display: block; margin: 0 auto; padding: 20px;"> <table width="100%" cellpadding="0" cellspacing="0" style="background: #fff; border: 1px solid #e9e9e9;"> <tbody> <tr> <td bgcolor="#eee" style="padding: 5px 20px 5px 20px; background-color: #eee;"> <div style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 20px; color: #777; font-weight: bold;">netdata notification</div> </td> </tr> <tr> <td bgcolor="${color}" style="font-size: 16px; vertical-align: top; font-weight: 400; text-align: center; margin: 0; padding: 10px; color: #ffffff; background: ${color} !important; border: 1px solid ${color}; border-top-color: ${color};" align="center" valign="top"> <h1 style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-weight: 400; margin: 0;">${host} ${status_message}</h1> </td> </tr> <tr> <td style="vertical-align: top;" valign="top"> <div style="margin: 0; padding: 20px; max-width: 700px;"> <table width="100%" cellpadding="0" cellspacing="0" style="max-width:700px"> <tbody> <tr> <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding:0 0 20px;" align="left" valign="top"> <span>${chart}</span> <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Chart</span> </td> </tr> <tr style="margin: 0; padding: 0;"> <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;" align="left" valign="top"> <span><b>${alarm}</b>${info_html}</span> <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Alarm</span> </td> </tr> <tr> <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;" align="left" valign="top"> <span>${family}</span> <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Family</span> </td> </tr> <tr style="margin: 0; padding: 0;"> <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;" align="left" valign="top"> <span>${severity}</span> <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Severity</span> </td> </tr> <tr style="margin: 0; padding: 0;"> <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;" align="left" valign="top"><span>${date}</span> <span>${raised_for_html}</span> <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Time</span> </td> </tr> <tr style="margin: 0; padding: 0;"> <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;" align="left" valign="top"> <span>${calc_expression}</span> <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Evaluated Expression</span> </td> </tr> <tr style="margin: 0; padding: 0;"> <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;" align="left" valign="top"> <span>${calc_param_values}</span> <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Expression Variables</span> </td> </tr> <tr style="margin: 0; padding: 0;"> <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;" align="left" valign="top"> The host has ${total_warnings} WARNING and ${total_critical} CRITICAL alarm(s) raised. </td> </tr> <tr style="margin: 0; padding: 0;"> <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;"> <a href="${goto_url}" style="font-size: 14px; color: #ffffff; text-decoration: none; line-height: 1.5; font-weight: bold; text-align: center; display: inline-block; text-transform: capitalize; background: #35568d; border-width: 1px; border-style: solid; border-color: #2b4c86; margin: 0; padding: 10px 15px;" target="_blank">View Netdata</a> </td> </tr> <tr style="text-align: center; margin: 0; padding: 0;"> <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 11px; vertical-align: top; margin: 0; padding: 10px 0 0 0; color: #666666;" align="center" valign="bottom">The source of this alarm is line <code>${src}</code><br/>(alarms are configurable, edit this file to adapt the alarm to your needs) </td> </tr> <tr style="text-align: center; margin: 0; padding: 0;"> <td style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px; vertical-align: top; margin:0; padding: 20px 0 0 0; color: #666666; border-top: 1px solid #f0f0f0;" align="center" valign="bottom">Sent by <a href="https://mynetdata.io/" target="_blank">netdata</a>, the real-time performance and health monitoring, on <code>${host}</code>. </td> </tr> </tbody> </table> </div> </td> </tr> </tbody> </table> </div> </td> </tr> </tbody> </table> </body> </html> --multipart-boundary-- EOF SENT_EMAIL=$? # ----------------------------------------------------------------------------- # let netdata know for state in "${SENT_EMAIL}" \ "${SENT_PUSHOVER}" \ "${SENT_TELEGRAM}" \ "${SENT_SLACK}" \ "${SENT_ROCKETCHAT}" \ "${SENT_ALERTA}" \ "${SENT_FLOCK}" \ "${SENT_DISCORD}" \ "${SENT_TWILIO}" \ "${SENT_HIPCHAT}" \ "${SENT_MESSAGEBIRD}" \ "${SENT_KAVENEGAR}" \ "${SENT_PUSHBULLET}" \ "${SENT_KAFKA}" \ "${SENT_PD}" \ "${SENT_FLEEP}" \ "${SENT_PROWL}" \ "${SENT_CUSTOM}" \ "${SENT_IRC}" \ "${SENT_AWSSNS}" \ "${SENT_SYSLOG}" \ "${SENT_MSTEAM}"; do if [ "${state}" -eq 0 ]; then # we sent something exit 0 fi done # we did not send anything exit 1