plugins.d/alarm-notify.sh

   1 #!/usr/bin/env bash
   2
   3 # netdata
   4 # real-time performance and health monitoring, done right!
   5 # (C) 2016 Costa Tsaousis <costa@tsaousis.gr>
   6 # GPL v3+
   7 #
   8 # Script to send alarm notifications for netdata
   9 #
  10 # Features:
  11 #  - multiple notification methods
  12 #  - multiple roles per alarm
  13 #  - multiple recipients per role
  14 #  - severity filtering per recipient
  15 #
  16 # Supported notification methods:
  17 #  - emails
  18 #  - slack.com notifications
  19 #  - pushover.net notifications
  20 #  - pushbullet.com push notifications by Tiago Peralta @tperalta82 PR #1070
  21 #  - telegram.org notifications by @hashworks PR #1002
  22 #  - twilio.com notifications by Levi Blaney @shadycuz PR #1211
  23 #  - kafka notifications
  24 #  - pagerduty.com notifications by Jim Cooley @jimcooley PR #1373
  25 #  - messagebird.com notifications by @tech_no_logical
  26
  27 # -----------------------------------------------------------------------------
  28 # testing notifications
  29
  30 if [ \( "${1}" = "test" -o "${2}" = "test" \) -a "${#}" -le 2 ]
  31 then
  32     if [ "${2}" = "test" ]
  33     then
  34         recipient="${1}"
  35     else
  36         recipient="${2}"
  37     fi
  38
  39     [ -z "${recipient}" ] && recipient="sysadmin"
  40
  41     id=1
  42     last="CLEAR"
  43     for x in "CRITICAL" "WARNING" "CLEAR"
  44     do
  45         echo >&2
  46         echo >&2 "# SENDING TEST ${x} ALARM TO ROLE: ${recipient}"
  47
  48         "${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"
  49         if [ $? -ne 0 ]
  50         then
  51             echo >&2 "# FAILED"
  52         else
  53             echo >&2 "# OK"
  54         fi
  55
  56         last="${x}"
  57         id=$((id + 1))
  58     done
  59
  60     exit 1
  61 fi
  62
  63 export PATH="${PATH}:/sbin:/usr/sbin:/usr/local/sbin"
  64 export LC_ALL=C
  65
  66 # -----------------------------------------------------------------------------
  67
  68 PROGRAM_NAME="$(basename "${0}")"
  69
  70 logdate() {
  71     date "+%Y-%m-%d %H:%M:%S"
  72 }
  73
  74 log() {
  75     local status="${1}"
  76     shift
  77
  78     echo >&2 "$(logdate): ${PROGRAM_NAME}: ${status}: ${*}"
  79
  80 }
  81
  82 warning() {
  83     log WARNING "${@}"
  84 }
  85
  86 error() {
  87     log ERROR "${@}"
  88 }
  89
  90 info() {
  91     log INFO "${@}"
  92 }
  93
  94 fatal() {
  95     log FATAL "${@}"
  96     exit 1
  97 }
  98
  99 debug=0
 100 debug() {
 101     [ ${debug} -eq 1 ] && log DEBUG "${@}"
 102 }
 103
 104 # -----------------------------------------------------------------------------
 105
 106 # check for BASH v4+ (required for associative arrays)
 107 [ $(( ${BASH_VERSINFO[0]} )) -lt 4 ] && \
 108     fatal "BASH version 4 or later is required (this is ${BASH_VERSION})."
 109
 110 # -----------------------------------------------------------------------------
 111 # defaults to allow running this script by hand
 112
 113 NETDATA_CONFIG_DIR="${NETDATA_CONFIG_DIR-/etc/netdata}"
 114 NETDATA_CACHE_DIR="${NETDATA_CACHE_DIR-/var/cache/netdata}"
 115 [ -z "${NETDATA_REGISTRY_URL}" ] && NETDATA_REGISTRY_URL="https://registry.my-netdata.io"
 116 [ -z "${NETDATA_HOSTNAME}" ] && NETDATA_HOSTNAME="$(hostname)"
 117 [ -z "${NETDATA_REGISTRY_HOSTNAME}" ] && NETDATA_REGISTRY_HOSTNAME="${NETDATA_HOSTNAME}"
 118
 119 # -----------------------------------------------------------------------------
 120 # parse command line parameters
 121
 122 roles="${1}"       # the roles that should be notified for this event
 123 host="${2}"        # the host generated this event
 124 unique_id="${3}"   # the unique id of this event
 125 alarm_id="${4}"    # the unique id of the alarm that generated this event
 126 event_id="${5}"    # the incremental id of the event, for this alarm id
 127 when="${6}"        # the timestamp this event occurred
 128 name="${7}"        # the name of the alarm, as given in netdata health.d entries
 129 chart="${8}"       # the name of the chart (type.id)
 130 family="${9}"      # the family of the chart
 131 status="${10}"     # the current status : REMOVED, UNITIALIZED, UNDEFINED, CLEAR, WARNING, CRITICAL
 132 old_status="${11}" # the previous status: REMOVED, UNITIALIZED, UNDEFINED, CLEAR, WARNING, CRITICAL
 133 value="${12}"      # the current value of the alarm
 134 old_value="${13}"  # the previous value of the alarm
 135 src="${14}"        # the line number and file the alarm has been configured
 136 duration="${15}"   # the duration in seconds of the previous alarm state
 137 non_clear_duration="${16}" # the total duration in seconds this is/was non-clear
 138 units="${17}"      # the units of the value
 139 info="${18}"       # a short description of the alarm
 140
 141 # -----------------------------------------------------------------------------
 142 # screen statuses we don't need to send a notification
 143
 144 # don't do anything if this is not WARNING, CRITICAL or CLEAR
 145 if [ "${status}" != "WARNING" -a "${status}" != "CRITICAL" -a "${status}" != "CLEAR" ]
 146 then
 147     info "not sending notification for ${status} on '${chart}.${name}'"
 148     exit 1
 149 fi
 150
 151 # don't do anything if this is CLEAR, but it was not WARNING or CRITICAL
 152 if [ "${old_status}" != "WARNING" -a "${old_status}" != "CRITICAL" -a "${status}" = "CLEAR" ]
 153 then
 154     info "not sending notification for ${status} on '${chart}.${name}' (last status was ${old_status})"
 155     exit 1
 156 fi
 157
 158 # -----------------------------------------------------------------------------
 159 # load configuration
 160
 161 # By default fetch images from the global public registry.
 162 # This is required by default, since all notification methods need to download
 163 # images via the Internet, and private registries might not be reachable.
 164 # This can be overwritten at the configuration file.
 165 images_base_url="https://registry.my-netdata.io"
 166
 167 # needed commands
 168 # if empty they will be searched in the system path
 169 curl=
 170 sendmail=
 171
 172 # enable / disable features
 173 SEND_SLACK="YES"
 174 SEND_PUSHOVER="YES"
 175 SEND_TWILIO="YES"
 176 SEND_MESSAGEBIRD="YES"
 177 SEND_TELEGRAM="YES"
 178 SEND_EMAIL="YES"
 179 SEND_PUSHBULLET="YES"
 180 SEND_KAFKA="YES"
 181 SEND_PD="YES"
 182
 183 # slack configs
 184 SLACK_WEBHOOK_URL=
 185 DEFAULT_RECIPIENT_SLACK=
 186 declare -A role_recipients_slack=()
 187
 188 # pushover configs
 189 PUSHOVER_APP_TOKEN=
 190 DEFAULT_RECIPIENT_PUSHOVER=
 191 declare -A role_recipients_pushover=()
 192
 193 # pushbullet configs
 194 PUSHBULLET_ACCESS_TOKEN=
 195 DEFAULT_RECIPIENT_PUSHBULLET=
 196 declare -A role_recipients_pushbullet=()
 197
 198 # twilio configs
 199 TWILIO_ACCOUNT_SID=
 200 TWILIO_ACCOUNT_TOKEN=
 201 TWILIO_NUMBER=
 202 DEFAULT_RECIPIENT_TWILIO=
 203 declare -A role_recipients_twilio=()
 204
 205 # messagebird configs
 206 MESSAGEBIRD_ACCESS_KEY=
 207 MESSAGEBIRD_NUMBER=
 208 DEFAULT_RECIPIENT_MESSAGEBIRD=
 209 declare -A role_recipients_messagebird=()
 210
 211 # telegram configs
 212 TELEGRAM_BOT_TOKEN=
 213 DEFAULT_RECIPIENT_TELEGRAM=
 214 declare -A role_recipients_telegram=()
 215
 216 # kafka configs
 217 KAFKA_URL=
 218 KAFKA_SENDER_IP=
 219
 220 # pagerduty.com configs
 221 PD_SERVICE_KEY=
 222 declare -A role_recipients_pd=()
 223
 224 # email configs
 225 DEFAULT_RECIPIENT_EMAIL="root"
 226 declare -A role_recipients_email=()
 227
 228 # load the user configuration
 229 # this will overwrite the variables above
 230 if [ -f "${NETDATA_CONFIG_DIR}/health_alarm_notify.conf" ]
 231     then
 232     source "${NETDATA_CONFIG_DIR}/health_alarm_notify.conf"
 233 fi
 234
 235 # -----------------------------------------------------------------------------
 236 # filter a recipient based on alarm event severity
 237
 238 filter_recipient_by_criticality() {
 239     local method="${1}" x="${2}" r s
 240     shift
 241
 242     r="${x/|*/}" # the recipient
 243     s="${x/*|/}" # the severity required for notifying this recipient
 244
 245     # no severity filtering for this person
 246     [ "${r}" = "${s}" ] && return 0
 247
 248     # the severity is invalid
 249     s="${s^^}"
 250     [ "${s}" != "CRITICAL" ] && return 0
 251
 252     # the new or the old status matches the severity
 253     if [ "${s}" = "${status}" -o "${s}" = "${old_status}" ]
 254         then
 255         [ ! -d "${NETDATA_CACHE_DIR}/alarm-notify/${method}/${r}" ] && \
 256             mkdir -p "${NETDATA_CACHE_DIR}/alarm-notify/${method}/${r}"
 257
 258         # we need to keep track of the notifications we sent
 259         # so that the same user will receive the recovery
 260         # even if old_status does not match the required severity
 261         touch "${NETDATA_CACHE_DIR}/alarm-notify/${method}/${r}/${alarm_id}"
 262         return 0
 263     fi
 264
 265     # it is a cleared alarm we have sent notification for
 266     if [ "${status}" != "WARNING" -a "${status}" != "CRITICAL" -a -f "${NETDATA_CACHE_DIR}/alarm-notify/${method}/${r}/${alarm_id}" ]
 267         then
 268         rm "${NETDATA_CACHE_DIR}/alarm-notify/${method}/${r}/${alarm_id}"
 269         return 0
 270     fi
 271
 272     return 1
 273 }
 274
 275 # -----------------------------------------------------------------------------
 276 # find the recipients' addresses per method
 277
 278 declare -A arr_slack=()
 279 declare -A arr_pushover=()
 280 declare -A arr_pushbullet=()
 281 declare -A arr_twilio=()
 282 declare -A arr_telegram=()
 283 declare -A arr_pd=()
 284 declare -A arr_email=()
 285
 286 # netdata may call us with multiple roles, and roles may have multiple but
 287 # overlapping recipients - so, here we find the unique recipients.
 288 for x in ${roles//,/ }
 289 do
 290     # the roles 'silent' and 'disabled' mean:
 291     # don't send a notification for this role
 292     [ "${x}" = "silent" -o "${x}" = "disabled" ] && continue
 293
 294     # email
 295     a="${role_recipients_email[${x}]}"
 296     [ -z "${a}" ] && a="${DEFAULT_RECIPIENT_EMAIL}"
 297     for r in ${a//,/ }
 298     do
 299         [ "${r}" != "disabled" ] && filter_recipient_by_criticality email "${r}" && arr_email[${r/|*/}]="1"
 300     done
 301
 302     # pushover
 303     a="${role_recipients_pushover[${x}]}"
 304     [ -z "${a}" ] && a="${DEFAULT_RECIPIENT_PUSHOVER}"
 305     for r in ${a//,/ }
 306     do
 307         [ "${r}" != "disabled" ] && filter_recipient_by_criticality pushover "${r}" && arr_pushover[${r/|*/}]="1"
 308     done
 309
 310     # pushbullet
 311     a="${role_recipients_pushbullet[${x}]}"
 312     [ -z "${a}" ] && a="${DEFAULT_RECIPIENT_PUSHBULLET}"
 313     for r in ${a//,/ }
 314     do
 315         [ "${r}" != "disabled" ] && filter_recipient_by_criticality pushbullet "${r}" && arr_pushbullet[${r/|*/}]="1"
 316     done
 317
 318     # twilio
 319     a="${role_recipients_twilio[${x}]}"
 320     [ -z "${a}" ] && a="${DEFAULT_RECIPIENT_TWILIO}"
 321     for r in ${a//,/ }
 322     do
 323         [ "${r}" != "disabled" ] && filter_recipient_by_criticality twilio "${r}" && arr_twilio[${r/|*/}]="1"
 324     done
 325
 326     # messagebird
 327     a="${role_recipients_messagebird[${x}]}"
 328     [ -z "${a}" ] && a="${DEFAULT_RECIPIENT_MESSAGEBIRD}"
 329     for r in ${a//,/ }
 330     do
 331         [ "${r}" != "disabled" ] && filter_recipient_by_criticality messagebird "${r}" && arr_messagebird[${r/|*/}]="1"
 332     done
 333
 334     # telegram
 335     a="${role_recipients_telegram[${x}]}"
 336     [ -z "${a}" ] && a="${DEFAULT_RECIPIENT_TELEGRAM}"
 337     for r in ${a//,/ }
 338     do
 339         [ "${r}" != "disabled" ] && filter_recipient_by_criticality telegram "${r}" && arr_telegram[${r/|*/}]="1"
 340     done
 341
 342     # slack
 343     a="${role_recipients_slack[${x}]}"
 344     [ -z "${a}" ] && a="${DEFAULT_RECIPIENT_SLACK}"
 345     for r in ${a//,/ }
 346     do
 347         [ "${r}" != "disabled" ] && filter_recipient_by_criticality slack "${r}" && arr_slack[${r/|*/}]="1"
 348     done
 349
 350     # pagerduty.com
 351     a="${role_recipients_pd[${x}]}"
 352     [ -z "${a}" ] && a="${DEFAULT_RECIPIENT_PD}"
 353     for r in ${a//,/ }
 354     do
 355         [ "${r}" != "disabled" ] && filter_recipient_by_criticality pd "${r}" && arr_pd[${r/|*/}]="1"
 356     done
 357 done
 358
 359 # build the list of slack recipients (channels)
 360 to_slack="${!arr_slack[*]}"
 361 [ -z "${to_slack}" ] && SEND_SLACK="NO"
 362
 363 # build the list of pushover recipients (user tokens)
 364 to_pushover="${!arr_pushover[*]}"
 365 [ -z "${to_pushover}" ] && SEND_PUSHOVER="NO"
 366
 367 # build the list of pushbulet recipients (user tokens)
 368 to_pushbullet="${!arr_pushbullet[*]}"
 369 [ -z "${to_pushbullet}" ] && SEND_PUSHBULLET="NO"
 370
 371 # build the list of twilio recipients (phone numbers)
 372 to_twilio="${!arr_twilio[*]}"
 373 [ -z "${to_twilio}" ] && SEND_TWILIO="NO"
 374
 375 # build the list of messagebird recipients (phone numbers)
 376 to_messagebird="${!arr_messagebird[*]}"
 377 [ -z "${to_messagebird}" ] && SEND_MESSAGEBIRD="NO"
 378
 379 # check array of telegram recipients (chat ids)
 380 to_telegram="${!arr_telegram[*]}"
 381 [ -z "${to_telegram}" ] && SEND_TELEGRAM="NO"
 382
 383 # build the list of pagerduty recipients (service keys)
 384 to_pd="${!arr_pd[*]}"
 385 [ -z "${to_pd}" ] && SEND_PD="NO"
 386
 387 # build the list of email recipients (email addresses)
 388 to_email=
 389 for x in "${!arr_email[@]}"
 390 do
 391     [ ! -z "${to_email}" ] && to_email="${to_email}, "
 392     to_email="${to_email}${x}"
 393 done
 394 [ -z "${to_email}" ] && SEND_EMAIL="NO"
 395
 396
 397 # -----------------------------------------------------------------------------
 398 # verify the delivery methods supported
 399
 400 # check slack
 401 [ -z "${SLACK_WEBHOOK_URL}" ] && SEND_SLACK="NO"
 402
 403 # check pushover
 404 [ -z "${PUSHOVER_APP_TOKEN}" ] && SEND_PUSHOVER="NO"
 405
 406 # check pushbullet
 407 [ -z "${PUSHBULLET_ACCESS_TOKEN}" ] && SEND_PUSHBULLET="NO"
 408
 409 # check twilio
 410 [ -z "${TWILIO_ACCOUNT_TOKEN}" -o -z "${TWILIO_ACCOUNT_SID}" -o -z "${TWILIO_NUMBER}" ] && SEND_TWILIO="NO"
 411
 412 # check messagebird
 413 [ -z "${MESSAGEBIRD_ACCESS_KEY}" -o -z "${MESSAGEBIRD_NUMBER}" ] && SEND_MESSAGEBIRD="NO"
 414
 415 # check telegram
 416 [ -z "${TELEGRAM_BOT_TOKEN}" ] && SEND_TELEGRAM="NO"
 417
 418 # check kafka
 419 [ -z "${KAFKA_URL}" -o -z "${KAFKA_SENDER_IP}" ] && SEND_KAFKA="NO"
 420
 421 # check pagerduty.com
 422 # if we need pd-send, check for the pd-send command
 423 # https://www.pagerduty.com/docs/guides/agent-install-guide/
 424 if [ "${SEND_PD}" = "YES" ]
 425     then
 426     pd_send="$(which pd-send 2>/dev/null || command -v pd-send 2>/dev/null)"
 427     if [ -z "${pd_send}" ]
 428         then
 429         # no pd-send available
 430         # disable pagerduty.com
 431         SEND_PD="NO"
 432     fi
 433 fi
 434
 435 # if we need curl, check for the curl command
 436 if [ \( "${SEND_PUSHOVER}" = "YES" -o "${SEND_SLACK}" = "YES" -o "${SEND_TWILIO}" = "YES" -o "${SEND_MESSAGEBIRD}" = "YES" -o "${SEND_TELEGRAM}" = "YES" -o "${SEND_PUSHBULLET}" = "YES" -o "${SEND_KAFKA}" = "YES" \) -a -z "${curl}" ]
 437     then
 438     curl="$(which curl 2>/dev/null || command -v curl 2>/dev/null)"
 439     if [ -z "${curl}" ]
 440         then
 441         # no curl available
 442         # disable all curl based methods
 443         SEND_PUSHOVER="NO"
 444         SEND_PUSHBULLET="NO"
 445         SEND_TELEGRAM="NO"
 446         SEND_SLACK="NO"
 447         SEND_TWILIO="NO"
 448         SEND_MESSAGEBIRD="NO"
 449         SEND_KAFKA="NO"
 450     fi
 451 fi
 452
 453 # if we need sendmail, check for the sendmail command
 454 if [ "${SEND_EMAIL}" = "YES" -a -z "${sendmail}" ]
 455     then
 456     sendmail="$(which sendmail 2>/dev/null || command -v sendmail 2>/dev/null)"
 457     [ -z "${sendmail}" ] && SEND_EMAIL="NO"
 458 fi
 459
 460 # check that we have at least a method enabled
 461 if [   "${SEND_EMAIL}"          != "YES" \
 462     -a "${SEND_PUSHOVER}"       != "YES" \
 463     -a "${SEND_TELEGRAM}"       != "YES" \
 464     -a "${SEND_SLACK}"          != "YES" \
 465     -a "${SEND_TWILIO}"         != "YES" \
 466     -a "${SEND_MESSAGEBIRD}"    != "YES" \
 467     -a "${SEND_PUSHBULLET}"     != "YES" \
 468     -a "${SEND_KAFKA}"          != "YES" \
 469     -a "${SEND_PD}"             != "YES" \
 470     ]
 471     then
 472     fatal "All notification methods are disabled. Not sending notification to '${roles}' for '${name}' = '${value}' of chart '${chart}' for status '${status}'."
 473 fi
 474
 475 # -----------------------------------------------------------------------------
 476 # find a suitable hostname to use, if netdata did not supply a hostname
 477
 478 [ -z "${host}" ] && host="${NETDATA_HOSTNAME}"
 479 [ -z "${host}" ] && host="${NETDATA_REGISTRY_HOSTNAME}"
 480 [ -z "${host}" ] && host="$(hostname 2>/dev/null)"
 481
 482 # -----------------------------------------------------------------------------
 483 # get the date the alarm happened
 484
 485 date="$(date --date=@${when} 2>/dev/null)"
 486 [ -z "${date}" ] && date="$(date 2>/dev/null)"
 487
 488 # -----------------------------------------------------------------------------
 489 # function to URL encode a string
 490
 491 urlencode() {
 492     local string="${1}" strlen encoded pos c o
 493
 494     strlen=${#string}
 495     for (( pos=0 ; pos<strlen ; pos++ ))
 496     do
 497         c=${string:${pos}:1}
 498         case "${c}" in
 499             [-_.~a-zA-Z0-9])
 500                 o="${c}"
 501                 ;;
 502
 503             *)
 504                 printf -v o '%%%02x' "'${c}"
 505                 ;;
 506         esac
 507         encoded+="${o}"
 508     done
 509
 510     REPLY="${encoded}"
 511     echo "${REPLY}"
 512 }
 513
 514 # -----------------------------------------------------------------------------
 515 # function to convert a duration in seconds, to a human readable duration
 516 # using DAYS, MINUTES, SECONDS
 517
 518 duration4human() {
 519     local s="${1}" d=0 h=0 m=0 ds="day" hs="hour" ms="minute" ss="second" ret
 520     d=$(( s / 86400 ))
 521     s=$(( s - (d * 86400) ))
 522     h=$(( s / 3600 ))
 523     s=$(( s - (h * 3600) ))
 524     m=$(( s / 60 ))
 525     s=$(( s - (m * 60) ))
 526
 527     if [ ${d} -gt 0 ]
 528     then
 529         [ ${m} -ge 30 ] && h=$(( h + 1 ))
 530         [ ${d} -gt 1 ] && ds="days"
 531         [ ${h} -gt 1 ] && hs="hours"
 532         if [ ${h} -gt 0 ]
 533         then
 534             ret="${d} ${ds} and ${h} ${hs}"
 535         else
 536             ret="${d} ${ds}"
 537         fi
 538     elif [ ${h} -gt 0 ]
 539     then
 540         [ ${s} -ge 30 ] && m=$(( m + 1 ))
 541         [ ${h} -gt 1 ] && hs="hours"
 542         [ ${m} -gt 1 ] && ms="minutes"
 543         if [ ${m} -gt 0 ]
 544         then
 545             ret="${h} ${hs} and ${m} ${ms}"
 546         else
 547             ret="${h} ${hs}"
 548         fi
 549     elif [ ${m} -gt 0 ]
 550     then
 551         [ ${m} -gt 1 ] && ms="minutes"
 552         [ ${s} -gt 1 ] && ss="seconds"
 553         if [ ${s} -gt 0 ]
 554         then
 555             ret="${m} ${ms} and ${s} ${ss}"
 556         else
 557             ret="${m} ${ms}"
 558         fi
 559     else
 560         [ ${s} -gt 1 ] && ss="seconds"
 561         ret="${s} ${ss}"
 562     fi
 563
 564     REPLY="${ret}"
 565     echo "${REPLY}"
 566 }
 567
 568 # -----------------------------------------------------------------------------
 569 # email sender
 570
 571 send_email() {
 572     local ret=
 573     if [ "${SEND_EMAIL}" = "YES" ]
 574         then
 575
 576         "${sendmail}" -t
 577         ret=$?
 578
 579         if [ ${ret} -eq 0 ]
 580         then
 581             info "sent email notification for: ${host} ${chart}.${name} is ${status} to '${to_email}'"
 582             return 0
 583         else
 584             error "failed to send email notification for: ${host} ${chart}.${name} is ${status} to '${to_email}' with error code ${ret}."
 585             return 1
 586         fi
 587     fi
 588
 589     return 1
 590 }
 591
 592 # -----------------------------------------------------------------------------
 593 # pushover sender
 594
 595 send_pushover() {
 596     local apptoken="${1}" usertokens="${2}" when="${3}" url="${4}" status="${5}" title="${6}" message="${7}" httpcode sent=0 user priority
 597
 598     if [ "${SEND_PUSHOVER}" = "YES" -a ! -z "${apptoken}" -a ! -z "${usertokens}" -a ! -z "${title}" -a ! -z "${message}" ]
 599         then
 600
 601         # https://pushover.net/api
 602         priority=-2
 603         case "${status}" in
 604             CLEAR) priority=-1;;   # low priority: no sound or vibration
 605             WARNING) priotity=0;;  # normal priority: respect quiet hours
 606             CRITICAL) priority=1;; # high priority: bypass quiet hours
 607             *) priority=-2;;       # lowest priority: no notification at all
 608         esac
 609
 610         for user in ${usertokens}
 611         do
 612             httpcode=$(${curl} --write-out %{http_code} --silent --output /dev/null \
 613                 --form-string "token=${apptoken}" \
 614                 --form-string "user=${user}" \
 615                 --form-string "html=1" \
 616                 --form-string "title=${title}" \
 617                 --form-string "message=${message}" \
 618                 --form-string "timestamp=${when}" \
 619                 --form-string "url=${url}" \
 620                 --form-string "url_title=Open netdata dashboard to view the alarm" \
 621                 --form-string "priority=${priority}" \
 622                 https://api.pushover.net/1/messages.json)
 623
 624             if [ "${httpcode}" == "200" ]
 625             then
 626                 info "sent pushover notification for: ${host} ${chart}.${name} is ${status} to '${user}'"
 627                 sent=$((sent + 1))
 628             else
 629                 error "failed to send pushover notification for: ${host} ${chart}.${name} is ${status} to '${user}' with HTTP error code ${httpcode}."
 630             fi
 631         done
 632
 633         [ ${sent} -gt 0 ] && return 0
 634     fi
 635
 636     return 1
 637 }
 638
 639 # -----------------------------------------------------------------------------
 640 # pushbullet sender
 641
 642 send_pushbullet() {
 643     local userapikey="${1}" recipients="${2}"  title="${3}" message="${4}" httpcode sent=0 user
 644     if [ "${SEND_PUSHBULLET}" = "YES" -a ! -z "${userapikey}" -a ! -z "${recipients}" -a ! -z "${message}" -a ! -z "${title}" ]
 645         then
 646         #https://docs.pushbullet.com/#create-push
 647         for user in ${recipients}
 648         do
 649             httpcode=$(${curl} --write-out %{http_code} --silent --output /dev/null \
 650               --header 'Access-Token: '${userapikey}'' \
 651               --header 'Content-Type: application/json' \
 652               --data-binary  @<(cat <<EOF
 653                               {"title": "${title}",
 654                               "type": "note",
 655                               "email": "${user}",
 656                               "body": "$( echo -n ${message})"}
 657 EOF
 658                ) "https://api.pushbullet.com/v2/pushes" -X POST)
 659
 660             if [ "${httpcode}" == "200" ]
 661             then
 662                 info "sent pushbullet notification for: ${host} ${chart}.${name} is ${status} to '${user}'"
 663                 sent=$((sent + 1))
 664             else
 665                 error "failed to send pushbullet notification for: ${host} ${chart}.${name} is ${status} to '${user}' with HTTP error code ${httpcode}."
 666             fi
 667         done
 668
 669         [ ${sent} -gt 0 ] && return 0
 670     fi
 671
 672     return 1
 673 }
 674
 675 # -----------------------------------------------------------------------------
 676 # kafka sender
 677
 678 send_kafka() {
 679     local httpcode sent=0
 680     if [ "${SEND_KAFKA}" = "YES" ]
 681         then
 682             httpcode=$(${curl} -X POST --write-out %{http_code} --silent --output /dev/null \
 683                 --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:\"${info}\"}" \
 684                 "${KAFKA_URL}")
 685
 686             if [ "${httpcode}" == "204" ]
 687             then
 688                 info "sent kafka data for: ${host} ${chart}.${name} is ${status} and ip '${KAFKA_SENDER_IP}'"
 689                 sent=$((sent + 1))
 690             else
 691                 error "failed to send kafka data for: ${host} ${chart}.${name} is ${status} and ip '${KAFKA_SENDER_IP}' with HTTP error code ${httpcode}."
 692             fi
 693
 694         [ ${sent} -gt 0 ] && return 0
 695     fi
 696
 697     return 1
 698 }
 699
 700 # -----------------------------------------------------------------------------
 701 # pagerduty.com sender
 702
 703 send_pd() {
 704     local recipients="${1}" sent=0
 705     unset t
 706     case ${status} in
 707         CLEAR)    t='resolve';;
 708         WARNING)  t='trigger';;
 709         CRITICAL) t='trigger';;
 710     esac
 711
 712     if [ ${SEND_PD} = "YES" -a ! -z "${t}" ]
 713         then
 714         for PD_SERVICE_KEY in ${recipients}
 715         do
 716             d="${status} ${name}=${value} ${units} - ${host}, ${family}"
 717             ${pd_send} -k ${PD_SERVICE_KEY} \
 718                        -t ${t} \
 719                        -d "${d}" \
 720                        -i ${alarm_id} \
 721                        -f 'info'="${info}" \
 722                        -f 'value_w_units'="${value} ${units}" \
 723                        -f 'when'="${when}" \
 724                        -f 'duration'="${duration}" \
 725                        -f 'roles'="${roles}" \
 726                        -f 'host'="${host}" \
 727                        -f 'unique_id'="${unique_id}" \
 728                        -f 'alarm_id'="${alarm_id}" \
 729                        -f 'event_id'="${event_id}" \
 730                        -f 'name'="${name}" \
 731                        -f 'chart'="${chart}" \
 732                        -f 'family'="${family}" \
 733                        -f 'status'="${status}" \
 734                        -f 'old_status'="${old_status}" \
 735                        -f 'value'="${value}" \
 736                        -f 'old_value'="${old_value}" \
 737                        -f 'src'="${src}" \
 738                        -f 'non_clear_duration'="${non_clear_duration}" \
 739                        -f 'units'="${units}"
 740             retval=$?
 741             if [ ${retval} -eq 0 ]
 742                 then
 743                     info "sent pagerduty.com notification using service key ${PD_SERVICE_KEY::-26}....: ${d}"
 744                     sent=$((sent + 1))
 745                 else
 746                     error "failed to send pagerduty.com notification using service key ${PD_SERVICE_KEY::-26}.... (error code ${retval}): ${d}"
 747             fi
 748         done
 749
 750         [ ${sent} -gt 0 ] && return 0
 751     fi
 752
 753     return 1
 754 }
 755
 756 # -----------------------------------------------------------------------------
 757 # twilio sender
 758
 759 send_twilio() {
 760     local accountsid="${1}" accounttoken="${2}" twilionumber="${3}" recipients="${4}"  title="${5}" message="${6}" httpcode sent=0 user
 761     if [ "${SEND_TWILIO}" = "YES" -a ! -z "${accountsid}" -a ! -z "${accounttoken}" -a ! -z "${twilionumber}" -a ! -z "${recipients}" -a ! -z "${message}" -a ! -z "${title}" ]
 762         then
 763         #https://www.twilio.com/packages/labs/code/bash/twilio-sms
 764         for user in ${recipients}
 765         do
 766             httpcode=$(${curl} -X POST --write-out %{http_code} --silent --output /dev/null \
 767                 --data-urlencode "From=${twilionumber}" \
 768                 --data-urlencode "To=${user}" \
 769                 --data-urlencode "Body=${title} ${message}" \
 770                 -u "${accountsid}:${accounttoken}" \
 771                 "https://api.twilio.com/2010-04-01/Accounts/${accountsid}/Messages.json")
 772
 773             if [ "${httpcode}" == "201" ]
 774             then
 775                 info "sent Twilio SMS for: ${host} ${chart}.${name} is ${status} to '${user}'"
 776                 sent=$((sent + 1))
 777             else
 778                 error "failed to send Twilio SMS for: ${host} ${chart}.${name} is ${status} to '${user}' with HTTP error code ${httpcode}."
 779             fi
 780         done
 781
 782         [ ${sent} -gt 0 ] && return 0
 783     fi
 784
 785     return 1
 786 }
 787
 788 # -----------------------------------------------------------------------------
 789 # messagebird sender
 790
 791 send_messagebird() {
 792     local accesskey="${1}" messagebirdnumber="${2}" recipients="${3}"  title="${4}" message="${5}" httpcode sent=0 user
 793     if [ "${SEND_MESSAGEBIRD}" = "YES" -a ! -z "${accesskey}" -a ! -z "${messagebirdnumber}" -a ! -z "${recipients}" -a ! -z "${message}" -a ! -z "${title}" ]
 794         then
 795         #https://developers.messagebird.com/docs/messaging
 796         for user in ${recipients}
 797         do
 798             httpcode=$(${curl} -X POST --write-out %{http_code} --silent --output /dev/null \
 799                 --data-urlencode "originator=${messagebirdnumber}" \
 800                 --data-urlencode "recipients=${user}" \
 801                 --data-urlencode "body=${title} ${message}" \
 802                         --data-urlencode "datacoding=auto" \
 803                 -H "Authorization: AccessKey ${accesskey}" \
 804                 "https://rest.messagebird.com/messages")
 805
 806             if [ "${httpcode}" == "201" ]
 807             then
 808                 info "sent Messagebird SMS for: ${host} ${chart}.${name} is ${status} to '${user}'"
 809                 sent=$((sent + 1))
 810             else
 811                 error "failed to send Messagebird SMS for: ${host} ${chart}.${name} is ${status} to '${user}' with HTTP error code ${httpcode}."
 812             fi
 813         done
 814
 815         [ ${sent} -gt 0 ] && return 0
 816     fi
 817
 818     return 1
 819 }
 820
 821 # -----------------------------------------------------------------------------
 822 # telegram sender
 823
 824 send_telegram() {
 825     local bottoken="${1}" chatids="${2}" message="${3}" httpcode sent=0 chatid disableNotification=""
 826
 827     if [ "${status}" = "CLEAR" ]; then disableNotification="--data-urlencode disable_notification=true"; fi
 828
 829     if [ "${SEND_TELEGRAM}" = "YES" -a ! -z "${bottoken}" -a ! -z "${chatids}" -a ! -z "${message}" ];
 830     then
 831         for chatid in ${chatids}
 832         do
 833             # https://core.telegram.org/bots/api#sendmessage
 834             httpcode=$(${curl} --write-out %{http_code} --silent --output /dev/null ${disableNotification} \
 835                 --data-urlencode "parse_mode=HTML" \
 836                 --data-urlencode "disable_web_page_preview=true" \
 837                 --data-urlencode "text=${message}" \
 838                 "https://api.telegram.org/bot${bottoken}/sendMessage?chat_id=${chatid}")
 839
 840             if [ "${httpcode}" == "200" ]
 841             then
 842                 info "sent telegram notification for: ${host} ${chart}.${name} is ${status} to '${chatid}'"
 843                 sent=$((sent + 1))
 844             elif [ "${httpcode}" == "401" ]
 845             then
 846                 error "failed to send telegram notification for: ${host} ${chart}.${name} is ${status} to '${chatid}': Wrong bot token."
 847             else
 848                 error "failed to send telegram notification for: ${host} ${chart}.${name} is ${status} to '${chatid}' with HTTP error code ${httpcode}."
 849             fi
 850         done
 851
 852         [ ${sent} -gt 0 ] && return 0
 853     fi
 854
 855     return 1
 856 }
 857
 858 # -----------------------------------------------------------------------------
 859 # slack sender
 860
 861 send_slack() {
 862     local webhook="${1}" channels="${2}" httpcode sent=0 channel color payload
 863
 864     [ "${SEND_SLACK}" != "YES" ] && return 1
 865
 866     case "${status}" in
 867         WARNING)  color="warning" ;;
 868         CRITICAL) color="danger" ;;
 869         CLEAR)    color="good" ;;
 870         *)        color="#777777" ;;
 871     esac
 872
 873     for channel in ${channels}
 874     do
 875         payload="$(cat <<EOF
 876         {
 877             "channel": "#${channel}",
 878             "username": "netdata on ${host}",
 879             "icon_url": "${images_base_url}/images/seo-performance-128.png",
 880             "text": "${host} ${status_message}, \`${chart}\` (_${family}_), *${alarm}*",
 881             "attachments": [
 882                 {
 883                     "fallback": "${alarm} - ${chart} (${family}) - ${info}",
 884                     "color": "${color}",
 885                     "title": "${alarm}",
 886                     "title_link": "${goto_url}",
 887                     "text": "${info}",
 888                     "fields": [
 889                         {
 890                             "title": "${chart}",
 891                             "short": true
 892                         },
 893                         {
 894                             "title": "${family}",
 895                             "short": true
 896                         }
 897                     ],
 898                     "thumb_url": "${image}",
 899                     "footer": "<${goto_url}|${host}>",
 900                     "ts": ${when}
 901                 }
 902             ]
 903         }
 904 EOF
 905         )"
 906
 907         httpcode=$(${curl} --write-out %{http_code} --silent --output /dev/null -X POST --data-urlencode "payload=${payload}" "${webhook}")
 908         if [ "${httpcode}" == "200" ]
 909         then
 910             info "sent slack notification for: ${host} ${chart}.${name} is ${status} to '${channel}'"
 911             sent=$((sent + 1))
 912         else
 913             error "failed to send slack notification for: ${host} ${chart}.${name} is ${status} to '${channel}', with HTTP error code ${httpcode}."
 914         fi
 915     done
 916
 917     [ ${sent} -gt 0 ] && return 0
 918
 919     return 1
 920 }
 921
 922
 923 # -----------------------------------------------------------------------------
 924 # prepare the content of the notification
 925
 926 # the url to send the user on click
 927 urlencode "${NETDATA_REGISTRY_HOSTNAME}" >/dev/null; url_host="${REPLY}"
 928 urlencode "${chart}" >/dev/null; url_chart="${REPLY}"
 929 urlencode "${family}" >/dev/null; url_family="${REPLY}"
 930 urlencode "${name}" >/dev/null; url_name="${REPLY}"
 931 goto_url="${NETDATA_REGISTRY_URL}/goto-host-from-alarm.html?host=${url_host}&chart=${url_chart}&family=${url_family}&alarm=${url_name}&alarm_unique_id=${unique_id}&alarm_id=${alarm_id}&alarm_event_id=${event_id}"
 932
 933 # the severity of the alarm
 934 severity="${status}"
 935
 936 # the time the alarm was raised
 937 duration4human ${duration} >/dev/null; duration_txt="${REPLY}"
 938 duration4human ${non_clear_duration} >/dev/null; non_clear_duration_txt="${REPLY}"
 939 raised_for="(was ${old_status,,} for ${duration_txt})"
 940
 941 # the key status message
 942 status_message="status unknown"
 943
 944 # the color of the alarm
 945 color="grey"
 946
 947 # the alarm value
 948 alarm="${name//_/ } = ${value} ${units}"
 949
 950 # the image of the alarm
 951 image="${images_base_url}/images/seo-performance-128.png"
 952
 953 # prepare the title based on status
 954 case "${status}" in
 955         CRITICAL)
 956         image="${images_base_url}/images/alert-128-red.png"
 957         status_message="is critical"
 958         color="#ca414b"
 959         ;;
 960
 961     WARNING)
 962         image="${images_base_url}/images/alert-128-orange.png"
 963         status_message="needs attention"
 964         color="#caca4b"
 965                 ;;
 966
 967         CLEAR)
 968         image="${images_base_url}/images/check-mark-2-128-green.png"
 969         status_message="recovered"
 970                 color="#77ca6d"
 971                 ;;
 972 esac
 973
 974 if [ "${status}" = "CLEAR" ]
 975 then
 976     severity="Recovered from ${old_status}"
 977     if [ ${non_clear_duration} -gt ${duration} ]
 978     then
 979         raised_for="(alarm was raised for ${non_clear_duration_txt})"
 980     fi
 981
 982     # don't show the value when the status is CLEAR
 983     # for certain alarms, this value might not have any meaning
 984     alarm="${name//_/ } ${raised_for}"
 985
 986 elif [ "${old_status}" = "WARNING" -a "${status}" = "CRITICAL" ]
 987 then
 988     severity="Escalated to ${status}"
 989     if [ ${non_clear_duration} -gt ${duration} ]
 990     then
 991         raised_for="(alarm is raised for ${non_clear_duration_txt})"
 992     fi
 993
 994 elif [ "${old_status}" = "CRITICAL" -a "${status}" = "WARNING" ]
 995 then
 996     severity="Demoted to ${status}"
 997     if [ ${non_clear_duration} -gt ${duration} ]
 998     then
 999         raised_for="(alarm is raised for ${non_clear_duration_txt})"
1000     fi
1001
1002 else
1003     raised_for=
1004 fi
1005
1006 # prepare HTML versions of elements
1007 info_html=
1008 [ ! -z "${info}" ] && info_html=" <small><br/>${info}</small>"
1009
1010 raised_for_html=
1011 [ ! -z "${raised_for}" ] && raised_for_html="<br/><small>${raised_for}</small>"
1012
1013 # -----------------------------------------------------------------------------
1014 # send the slack notification
1015
1016 # slack aggregates posts from the same username
1017 # so we use "${host} ${status}" as the bot username, to make them diff
1018
1019 send_slack "${SLACK_WEBHOOK_URL}" "${to_slack}"
1020 SENT_SLACK=$?
1021
1022 # -----------------------------------------------------------------------------
1023 # send the pushover notification
1024
1025 send_pushover "${PUSHOVER_APP_TOKEN}" "${to_pushover}" "${when}" "${goto_url}" "${status}" "${host} ${status_message} - ${name//_/ } - ${chart}" "
1026 <font color=\"${color}\"><b>${alarm}</b></font>${info_html}<br/>&nbsp;
1027 <small><b>${chart}</b><br/>Chart<br/>&nbsp;</small>
1028 <small><b>${family}</b><br/>Family<br/>&nbsp;</small>
1029 <small><b>${severity}</b><br/>Severity<br/>&nbsp;</small>
1030 <small><b>${date}${raised_for_html}</b><br/>Time<br/>&nbsp;</small>
1031 <a href=\"${goto_url}\">View Netdata</a><br/>&nbsp;
1032 <small><small>The source of this alarm is line ${src}</small></small>
1033 "
1034
1035 SENT_PUSHOVER=$?
1036
1037 # -----------------------------------------------------------------------------
1038 # send the pushbullet notification
1039
1040 send_pushbullet "${PUSHBULLET_ACCESS_TOKEN}" "${to_pushbullet}" "${host} ${status_message} - ${name//_/ } - ${chart}" "${alarm}\n
1041 Severity: ${severity}\n
1042 Chart: ${chart}\n
1043 Family: ${family}\n
1044 To View Netdata go to: ${goto_url}\n
1045 The source of this alarm is line ${src}"
1046
1047 SENT_PUSHBULLET=$?
1048
1049 # -----------------------------------------------------------------------------
1050 # send the twilio SMS
1051
1052 send_twilio "${TWILIO_ACCOUNT_SID}" "${TWILIO_ACCOUNT_TOKEN}" "${TWILIO_NUMBER}" "${to_twilio}" "${host} ${status_message} - ${name//_/ } - ${chart}" "${alarm}
1053 Severity: ${severity}
1054 Chart: ${chart}
1055 Family: ${family}
1056 ${info}"
1057
1058 SENT_TWILIO=$?
1059
1060 # -----------------------------------------------------------------------------
1061 # send the messagebird SMS
1062
1063 send_messagebird "${MESSAGEBIRD_ACCESS_KEY}" "${MESSAGEBIRD_NUMBER}" "${to_messagebird}" "${host} ${status_message} - ${name//_/ } - ${chart}" "${alarm}
1064 Severity: ${severity}
1065 Chart: ${chart}
1066 Family: ${family}
1067 ${info}"
1068
1069 SENT_MESSAGEBIRD=$?
1070
1071
1072 # -----------------------------------------------------------------------------
1073 # send the telegram.org message
1074
1075 # https://core.telegram.org/bots/api#formatting-options
1076 send_telegram "${TELEGRAM_BOT_TOKEN}" "${to_telegram}" "${host} ${status_message} - <b>${name//_/ }</b>
1077 ${chart} (${family})
1078 <a href=\"${goto_url}\">${alarm}</a>
1079 <i>${info}</i>"
1080
1081 SENT_TELEGRAM=$?
1082
1083
1084 # -----------------------------------------------------------------------------
1085 # send the kafka message
1086
1087 send_kafka
1088 SENT_KAFKA=$?
1089
1090
1091 # -----------------------------------------------------------------------------
1092 # send the pagerduty.com message
1093
1094 send_pd "${to_pd}"
1095 SENT_PD=$?
1096
1097
1098 # -----------------------------------------------------------------------------
1099 # send the email
1100
1101 send_email <<EOF
1102 To: ${to_email}
1103 Subject: ${host} ${status_message} - ${name//_/ } - ${chart}
1104 Content-Type: text/html
1105
1106 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
1107 <html xmlns="http://www.w3.org/1999/xhtml" style="font-family: 'Helvetica Neue', 'Helvetica', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 14px; margin: 0; padding: 0;">
1108 <body style="font-family: 'Helvetica Neue', 'Helvetica', Helvetica, Arial, sans-serif; font-size: 14px; width: 100% !important; min-height: 100%; line-height: 1.6; background: #f6f6f6; margin:0; padding: 0;">
1109 <table>
1110     <tbody>
1111     <tr>
1112         <td style="vertical-align: top;" valign="top"></td>
1113         <td width="700" style="vertical-align: top; display: block !important; max-width: 700px !important; clear: both !important; margin: 0 auto; padding: 0;" valign="top">
1114             <div style="max-width: 700px; display: block; margin: 0 auto; padding: 20px;">
1115                 <table width="100%" cellpadding="0" cellspacing="0" style="background: #fff; border: 1px solid #e9e9e9;">
1116                     <tbody>
1117                     <tr>
1118                         <td bgcolor="#eee" style="padding: 5px 20px 5px 20px; background-color: #eee;">
1119                             <div style="font-family: 'Helvetica Neue', 'Helvetica', Helvetica, Arial, sans-serif; font-size: 20px; color: #777; font-weight: bold;">netdata notification</div>
1120                         </td>
1121                     </tr>
1122                     <tr>
1123                         <td bgcolor="${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: ${color};" align="center" valign="top">
1124                             <h1 style="font-family: 'Helvetica Neue', 'Helvetica', Helvetica, Arial, sans-serif; font-weight: 400; margin: 0;">${host} ${status_message}</h1>
1125                         </td>
1126                     </tr>
1127                     <tr>
1128                         <td style="vertical-align: top;" valign="top">
1129                             <div style="margin: 0; padding: 20px; max-width: 700px;">
1130                                 <table width="100%" cellpadding="0" cellspacing="0" style="max-width:700px">
1131                                     <tbody>
1132                                     <tr>
1133                                         <td style="font-family: 'Helvetica Neue', 'Helvetica', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding:0 0 20px;" align="left" valign="top">
1134                                             <span>${chart}</span>
1135                                             <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Chart</span>
1136                                         </td>
1137                                     </tr>
1138                                     <tr style="margin: 0; padding: 0;">
1139                                         <td style="font-family: 'Helvetica Neue', 'Helvetica', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;" align="left" valign="top">
1140                                             <span><b>${alarm}</b>${info_html}</span>
1141                                             <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Alarm</span>
1142                                         </td>
1143                                     </tr>
1144                                     <tr>
1145                                         <td style="font-family: 'Helvetica Neue', 'Helvetica', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;" align="left" valign="top">
1146                                             <span>${family}</span>
1147                                             <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Family</span>
1148                                         </td>
1149                                     </tr>
1150                                     <tr style="margin: 0; padding: 0;">
1151                                         <td style="font-family: 'Helvetica Neue', 'Helvetica', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;" align="left" valign="top">
1152                                             <span>${severity}</span>
1153                                             <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Severity</span>
1154                                         </td>
1155                                     </tr>
1156                                     <tr style="margin: 0; padding: 0;">
1157                                         <td style="font-family: 'Helvetica Neue', 'Helvetica', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;" align="left" valign="top"><span>${date}</span>
1158                                             <span>${raised_for_html}</span> <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Time</span>
1159                                         </td>
1160                                     </tr>
1161                                     <tr style="margin: 0; padding: 0;">
1162                                         <td style="font-family: 'Helvetica Neue', 'Helvetica', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;">
1163                                             <a href="${goto_url}" style="font-size: 14px; color: #ffffff; text-decoration: none; line-height: 1.5; font-weight: bold; text-align: center; display: inline-block; text-transform: capitalize; background: #35568d; border-width: 1px; border-style: solid; border-color: #2b4c86; margin: 0; padding: 10px 15px;" target="_blank">View Netdata</a>
1164                                         </td>
1165                                     </tr>
1166                                     <tr style="text-align: center; margin: 0; padding: 0;">
1167                                         <td style="font-family: 'Helvetica Neue', 'Helvetica', Helvetica, Arial, sans-serif; font-size: 11px; vertical-align: top; margin: 0; padding: 10px 0 0 0; color: #666666;" align="center" valign="bottom">The source of this alarm is line <code>${src}</code>
1168                                         </td>
1169                                     </tr>
1170                                     <tr style="text-align: center; margin: 0; padding: 0;">
1171                                         <td style="font-family: 'Helvetica Neue', 'Helvetica', 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
1172                                             <a href="https://mynetdata.io/" target="_blank">netdata</a>, the real-time performance monitoring.
1173                                         </td>
1174                                     </tr>
1175                                     </tbody>
1176                                 </table>
1177                             </div>
1178                         </td>
1179                     </tr>
1180                     </tbody>
1181                 </table>
1182             </div>
1183         </td>
1184     </tr>
1185     </tbody>
1186 </table>
1187 </body>
1188 </html>
1189 EOF
1190
1191 SENT_EMAIL=$?
1192
1193 # -----------------------------------------------------------------------------
1194 # let netdata know
1195
1196 if [   ${SENT_EMAIL}        -eq 0 \
1197     -o ${SENT_PUSHOVER}     -eq 0 \
1198     -o ${SENT_TELEGRAM}     -eq 0 \
1199     -o ${SENT_SLACK}        -eq 0 \
1200     -o ${SENT_TWILIO}       -eq 0 \
1201     -o ${SENT_MESSAGEBIRD}  -eq 0 \
1202     -o ${SENT_PUSHBULLET}   -eq 0 \
1203     -o ${SENT_KAFKA}        -eq 0 \
1204     -o ${SENT_PD}           -eq 0 \
1205     ]
1206     then
1207     # we did send something
1208     exit 0
1209 fi
1210
1211 # we did not send anything
1212 exit 1