4 # real-time performance and health monitoring, done right!
5 # (C) 2016 Costa Tsaousis <costa@tsaousis.gr>
8 # Script the send alarm notifications for netdata
11 # - multiple notification methods
12 # - multiple roles per alarm
13 # - multiple recipients per role
14 # - severity filtering per recipient
16 # Supported notification methods:
18 # - pushover.net notifications
19 # - pushbullet.com push notifications
20 # - slack.com notifications
21 # - telegram.org notifications
26 # check for BASH v4+ (required for associative arrays)
27 [ $(( ${BASH_VERSINFO[0]} )) -lt 4 ] && \
28 echo >&2 "${me}: BASH version 4 or later is required (this is ${BASH_VERSION})." && \
31 # defaults to allow running this script by hand
32 NETDATA_CONFIG_DIR="${NETDATA_CONFIG_DIR-/etc/netdata}"
33 NETDATA_CACHE_DIR="${NETDATA_CACHE_DIR-/var/cache/netdata}"
34 [ -z "${NETDATA_REGISTRY_URL}" ] && NETDATA_REGISTRY_URL="https://registry.my-netdata.io"
35 [ -z "${NETDATA_HOSTNAME}" ] && NETDATA_HOSTNAME="$(hostname)"
36 [ -z "${NETDATA_REGISTRY_HOSTNAME}" ] && NETDATA_REGISTRY_HOSTNAME="${NETDATA_HOSTNAME}"
38 # -----------------------------------------------------------------------------
39 # parse command line parameters
41 roles="${1}" # the roles that should be notified for this event
42 host="${2}" # the host generated this event
43 unique_id="${3}" # the unique id of this event
44 alarm_id="${4}" # the unique id of the alarm that generated this event
45 event_id="${5}" # the incremental id of the event, for this alarm id
46 when="${6}" # the timestamp this event occurred
47 name="${7}" # the name of the alarm, as given in netdata health.d entries
48 chart="${8}" # the name of the chart (type.id)
49 family="${9}" # the family of the chart
50 status="${10}" # the current status : REMOVED, UNITIALIZED, UNDEFINED, CLEAR, WARNING, CRITICAL
51 old_status="${11}" # the previous status: REMOVED, UNITIALIZED, UNDEFINED, CLEAR, WARNING, CRITICAL
52 value="${12}" # the current value of the alarm
53 old_value="${13}" # the previous value of the alarm
54 src="${14}" # the line number and file the alarm has been configured
55 duration="${15}" # the duration in seconds of the previous alarm state
56 non_clear_duration="${16}" # the total duration in seconds this is/was non-clear
57 units="${17}" # the units of the value
58 info="${18}" # a short description of the alarm
60 # -----------------------------------------------------------------------------
61 # screen statuses we don't need to send a notification
63 # don't do anything if this is not WARNING, CRITICAL or CLEAR
64 if [ "${status}" != "WARNING" -a "${status}" != "CRITICAL" -a "${status}" != "CLEAR" ]
66 echo >&2 "${me}: not sending notification for ${status} on '${chart}.${name}'"
70 # don't do anything if this is CLEAR, but it was not WARNING or CRITICAL
71 if [ "${old_status}" != "WARNING" -a "${old_status}" != "CRITICAL" -a "${status}" = "CLEAR" ]
73 echo >&2 "${me}: not sending notification for ${status} on '${chart}.${name}' (last status was ${old_status})"
77 # -----------------------------------------------------------------------------
80 # By default fetch images from the global public registry.
81 # This is required by default, since all notification methods need to download
82 # images via the Internet, and private registries might not be reachable.
83 # This can be overwritten at the configuration file.
84 images_base_url="https://registry.my-netdata.io"
87 # if empty they will be searched in the system path
91 # enable / disable features
100 DEFAULT_RECIPIENT_SLACK=
101 declare -A role_recipients_slack=()
105 DEFAULT_RECIPIENT_PUSHOVER=
106 declare -A role_recipients_pushover=()
109 PUSHBULLET_ACCESS_TOKEN=
110 DEFAULT_RECIPIENT_PUSHBULLET=
111 declare -A role_recipients_pushbullet=()
115 DEFAULT_RECIPIENT_TELEGRAM=
116 declare -A role_recipients_telegram=()
119 DEFAULT_RECIPIENT_EMAIL="root"
120 declare -A role_recipients_email=()
122 # load the user configuration
123 # this will overwrite the variables above
124 if [ -f "${NETDATA_CONFIG_DIR}/health_alarm_notify.conf" ]
126 source "${NETDATA_CONFIG_DIR}/health_alarm_notify.conf"
129 # -----------------------------------------------------------------------------
130 # filter a recipient based on alarm event severity
132 filter_recipient_by_criticality() {
133 local method="${1}" x="${2}" r s
136 r="${x/|*/}" # the recipient
137 s="${x/*|/}" # the severity required for notifying this recipient
139 # no severity filtering for this person
140 [ "${r}" = "${s}" ] && return 0
142 # the severity is invalid
144 [ "${s}" != "CRITICAL" ] && return 0
146 # the new or the old status matches the severity
147 if [ "${s}" = "${status}" -o "${s}" = "${old_status}" ]
149 [ ! -d "${NETDATA_CACHE_DIR}/alarm-notify/${method}/${r}" ] && \
150 mkdir -p "${NETDATA_CACHE_DIR}/alarm-notify/${method}/${r}"
152 # we need to keep track of the notifications we sent
153 # so that the same user will receive the recovery
154 # even if old_status does not match the required severity
155 touch "${NETDATA_CACHE_DIR}/alarm-notify/${method}/${r}/${alarm_id}"
159 # it is a cleared alarm we have sent notification for
160 if [ "${status}" != "WARNING" -a "${status}" != "CRITICAL" -a -f "${NETDATA_CACHE_DIR}/alarm-notify/${method}/${r}/${alarm_id}" ]
162 rm "${NETDATA_CACHE_DIR}/alarm-notify/${method}/${r}/${alarm_id}"
169 # -----------------------------------------------------------------------------
170 # find the recipients' addresses per method
172 declare -A arr_slack=()
173 declare -A arr_pushover=()
174 declare -A arr_pushbullet=()
175 declare -A arr_telegram=()
176 declare -A arr_email=()
178 # netdata may call us with multiple roles, and roles may have multiple but
179 # overlapping recipients - so, here we find the unique recipients.
180 for x in ${roles//,/ }
182 # the roles 'silent' and 'disabled' mean:
183 # don't send a notification for this role
184 [ "${x}" = "silent" -o "${x}" = "disabled" ] && continue
187 a="${role_recipients_email[${x}]}"
188 [ -z "${a}" ] && a="${DEFAULT_RECIPIENT_EMAIL}"
191 [ "${r}" != "disabled" ] && filter_recipient_by_criticality email "${r}" && arr_email[${r/|*/}]="1"
195 a="${role_recipients_pushover[${x}]}"
196 [ -z "${a}" ] && a="${DEFAULT_RECIPIENT_PUSHOVER}"
199 [ "${r}" != "disabled" ] && filter_recipient_by_criticality pushover "${r}" && arr_pushover[${r/|*/}]="1"
203 a="${role_recipients_pushbullet[${x}]}"
204 [ -z "${a}" ] && a="${DEFAULT_RECIPIENT_PUSHBULLET}"
207 [ "${r}" != "disabled" ] && filter_recipient_by_criticality pushbullet "${r}" && arr_pushbullet[${r/|*/}]="1"
211 a="${role_recipients_telegram[${x}]}"
212 [ -z "${a}" ] && a="${DEFAULT_RECIPIENT_TELEGRAM}"
215 [ "${r}" != "disabled" ] && filter_recipient_by_criticality telegram "${r}" && arr_telegram[${r/|*/}]="1"
219 a="${role_recipients_slack[${x}]}"
220 [ -z "${a}" ] && a="${DEFAULT_RECIPIENT_SLACK}"
223 [ "${r}" != "disabled" ] && filter_recipient_by_criticality slack "${r}" && arr_slack[${r/|*/}]="1"
227 # build the list of slack recipients (channels)
228 to_slack="${!arr_slack[*]}"
229 [ -z "${to_slack}" ] && SEND_SLACK="NO"
231 # build the list of pushover recipients (user tokens)
232 to_pushover="${!arr_pushover[*]}"
233 [ -z "${to_pushover}" ] && SEND_PUSHOVER="NO"
235 # build the list of pushbulet recipients (user tokens)
236 to_pushbullet="${!arr_pushbullet[*]}"
237 [ -z "${to_pushbullet}" ] && SEND_PUSHBULLET="NO"
239 # check array of telegram recipients (chat ids)
240 to_telegram="${!arr_telegram[*]}"
241 [ -z "${to_telegram}" ] && SEND_TELEGRAM="NO"
243 # build the list of email recipients (email addresses)
245 for x in "${!arr_email[@]}"
247 [ ! -z "${to_email}" ] && to_email="${to_email}, "
248 to_email="${to_email}${x}"
250 [ -z "${to_email}" ] && SEND_EMAIL="NO"
253 # -----------------------------------------------------------------------------
254 # verify the delivery methods supported
257 [ -z "${SLACK_WEBHOOK_URL}" ] && SEND_SLACK="NO"
260 [ -z "${PUSHOVER_APP_TOKEN}" ] && SEND_PUSHOVER="NO"
263 [ -z "${DEFAULT_RECIPIENT_PUSHBULLET}" ] && SEND_PUSHBULLET="NO"
266 [ -z "${TELEGRAM_BOT_TOKEN}" ] && SEND_TELEGRAM="NO"
268 if [ \( "${SEND_PUSHOVER}" = "YES" -o "${SEND_SLACK}" = "YES" -o "${SEND_TELEGRAM}" = "YES" -o "${SEND_PUSHBULLET}" = "YES" \) -a -z "${curl}" ]
270 curl="$(which curl 2>/dev/null || command -v curl 2>/dev/null)"
280 if [ "${SEND_EMAIL}" = "YES" -a -z "${sendmail}" ]
282 sendmail="$(which sendmail 2>/dev/null || command -v sendmail 2>/dev/null)"
283 [ -z "${sendmail}" ] && SEND_EMAIL="NO"
286 # check that we have at least a method enabled
287 if [ "${SEND_EMAIL}" != "YES" -a "${SEND_PUSHOVER}" != "YES" -a "${SEND_TELEGRAM}" != "YES" -a "${SEND_SLACK}" != "YES" -a "${SEND_PUSHBULLET}" != "YES" ]
289 echo >&2 "All notification methods are disabled. Not sending a notification."
293 # -----------------------------------------------------------------------------
294 # get the system hostname
296 [ -z "${host}" ] && host="${NETDATA_HOSTNAME}"
297 [ -z "${host}" ] && host="${NETDATA_REGISTRY_HOSTNAME}"
298 [ -z "${host}" ] && host="$(hostname 2>/dev/null)"
300 # -----------------------------------------------------------------------------
301 # get the date the alarm happened
303 date="$(date --date=@${when} 2>/dev/null)"
304 [ -z "${date}" ] && date="$(date 2>/dev/null)"
306 # -----------------------------------------------------------------------------
307 # URL encode a string
310 local string="${1}" strlen encoded pos c o
313 for (( pos=0 ; pos<strlen ; pos++ ))
322 printf -v o '%%%02x' "'$c"
332 # -----------------------------------------------------------------------------
333 # convert a duration in seconds, to a human readable duration
334 # using DAYS, MINUTES, SECONDS
337 local s="${1}" d=0 h=0 m=0 ds="day" hs="hour" ms="minute" ss="second" ret
339 s=$(( s - (d * 86400) ))
341 s=$(( s - (h * 3600) ))
343 s=$(( s - (m * 60) ))
347 [ ${m} -ge 30 ] && h=$(( h + 1 ))
348 [ ${d} -gt 1 ] && ds="days"
349 [ ${h} -gt 1 ] && hs="hours"
352 ret="${d} ${ds} and ${h} ${hs}"
358 [ ${s} -ge 30 ] && m=$(( m + 1 ))
359 [ ${h} -gt 1 ] && hs="hours"
360 [ ${m} -gt 1 ] && ms="minutes"
363 ret="${h} ${hs} and ${m} ${ms}"
369 [ ${m} -gt 1 ] && ms="minutes"
370 [ ${s} -gt 1 ] && ss="seconds"
373 ret="${m} ${ms} and ${s} ${ss}"
378 [ ${s} -gt 1 ] && ss="seconds"
386 # -----------------------------------------------------------------------------
391 if [ "${SEND_EMAIL}" = "YES" ]
399 echo >&2 "${me}: Sent email notification for: ${host} ${chart}.${name} is ${status} to '${to_email}'"
402 echo >&2 "${me}: Failed to send email notification for: ${host} ${chart}.${name} is ${status} to '${to_email}' with error code ${ret}."
410 # -----------------------------------------------------------------------------
414 local apptoken="${1}" usertokens="${2}" when="${3}" url="${4}" status="${5}" title="${6}" message="${7}" httpcode sent=0 user priority
416 if [ "${SEND_PUSHOVER}" = "YES" -a ! -z "${apptoken}" -a ! -z "${usertokens}" -a ! -z "${title}" -a ! -z "${message}" ]
419 # https://pushover.net/api
422 CLEAR) priority=-1;; # low priority: no sound or vibration
423 WARNING) priotity=0;; # normal priority: respect quiet hours
424 CRITICAL) priority=1;; # high priority: bypass quiet hours
425 *) priority=-2;; # lowest priority: no notification at all
428 for user in ${usertokens}
430 httpcode=$(${curl} --write-out %{http_code} --silent --output /dev/null \
431 --form-string "token=${apptoken}" \
432 --form-string "user=${user}" \
433 --form-string "html=1" \
434 --form-string "title=${title}" \
435 --form-string "message=${message}" \
436 --form-string "timestamp=${when}" \
437 --form-string "url=${url}" \
438 --form-string "url_title=Open netdata dashboard to view the alarm" \
439 --form-string "priority=${priority}" \
440 https://api.pushover.net/1/messages.json)
442 if [ "${httpcode}" == "200" ]
444 echo >&2 "${me}: Sent pushover notification for: ${host} ${chart}.${name} is ${status} to '${user}'"
447 echo >&2 "${me}: Failed to send pushover notification for: ${host} ${chart}.${name} is ${status} to '${user}' with HTTP error code ${httpcode}."
451 [ ${sent} -gt 0 ] && return 0
457 # -----------------------------------------------------------------------------
461 local userapikey="${1}" recipients="${2}" message="${3}" title="${4}" httpcode sent=0 user priority
463 if [ "${SEND_PUSHBULLET}" = "YES" -a ! -z "${userapikey}" -a ! -z "${recipients}" -a ! -z "${message}" -a ! -z "${title}" ]
465 #https://docs.pushbullet.com/#create-push
466 for user in ${recipients}
468 httpcode=$(${curl} --write-out %{http_code} --silent --output /dev/null \
471 --data-urlencode email="${user}" \
472 --data-urlencode body="${message}" \
473 --data-urlencode title="${title}" \
474 "https://api.pushbullet.com/v2/pushes"
477 if [ "${httpcode}" == "200" ]
479 echo >&2 "${me}: Sent pushbullet notification for: ${host} ${chart}.${name} is ${status} to '${user}'"
482 echo >&2 "${me}: Failed to send pushbullet notification for: ${host} ${chart}.${name} is ${status} to '${user}' with HTTP error code ${httpcode}."
486 [ ${sent} -gt 0 ] && return 0
494 # -----------------------------------------------------------------------------
498 local bottoken="${1}" chatids="${2}" message="${3}" httpcode sent=0 chatid disableNotification=""
500 if [ "${status}" = "CLEAR" ]; then disableNotification="--data-urlencode disable_notification=true"; fi
502 if [ "${SEND_TELEGRAM}" = "YES" -a ! -z "${bottoken}" -a ! -z "${chatids}" -a ! -z "${message}" ];
504 for chatid in ${chatids}
506 # https://core.telegram.org/bots/api#sendmessage
507 httpcode=$(${curl} --write-out %{http_code} --silent --output /dev/null ${disableNotification} \
508 --data-urlencode "parse_mode=HTML" \
509 --data-urlencode "disable_web_page_preview=true" \
510 --data-urlencode "text=$message" \
511 "https://api.telegram.org/bot${bottoken}/sendMessage?chat_id=$chatid")
513 if [ "${httpcode}" == "200" ]
515 echo >&2 "${me}: Sent telegram notification for: ${host} ${chart}.${name} is ${status} to '${chatid}'"
517 elif [ "${httpcode}" == "401" ]
519 echo >&2 "${me}: Failed to send telegram notification for: ${host} ${chart}.${name} is ${status} to '${chatid}': Wrong bot token."
521 echo >&2 "${me}: Failed to send telegram notification for: ${host} ${chart}.${name} is ${status} to '${chatid}' with HTTP error code ${httpcode}."
525 [ ${sent} -gt 0 ] && return 0
531 # -----------------------------------------------------------------------------
535 local webhook="${1}" channels="${2}" httpcode sent=0 channel color payload
537 [ "${SEND_SLACK}" != "YES" ] && return 1
540 WARNING) color="warning" ;;
541 CRITICAL) color="danger" ;;
542 CLEAR) color="good" ;;
543 *) color="#777777" ;;
546 for channel in ${channels}
550 "channel": "#${channel}",
551 "username": "netdata on ${host}",
552 "icon_url": "${images_base_url}/images/seo-performance-128.png",
553 "text": "${host} ${status_message}, \`${chart}\` (_${family}_), *${alarm}*",
556 "fallback": "${alarm} - ${chart} (${family}) - ${info}",
559 "title_link": "${goto_url}",
567 "title": "${family}",
571 "thumb_url": "${image}",
572 "footer": "<${goto_url}|${host}>",
580 httpcode=$(${curl} --write-out %{http_code} --silent --output /dev/null -X POST --data-urlencode "payload=${payload}" "${webhook}")
581 if [ "${httpcode}" == "200" ]
583 echo >&2 "${me}: Sent slack notification for: ${host} ${chart}.${name} is ${status} to '${channel}'"
586 echo >&2 "${me}: Failed to send slack notification for: ${host} ${chart}.${name} is ${status} to '${channel}', with HTTP error code ${httpcode}."
590 [ ${sent} -gt 0 ] && return 0
596 # -----------------------------------------------------------------------------
597 # prepare the content of the notification
599 # the url to send the user on click
600 urlencode "${NETDATA_REGISTRY_HOSTNAME}" >/dev/null; url_host="${REPLY}"
601 urlencode "${chart}" >/dev/null; url_chart="${REPLY}"
602 urlencode "${family}" >/dev/null; url_family="${REPLY}"
603 urlencode "${name}" >/dev/null; url_name="${REPLY}"
604 goto_url="${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}"
606 # the severity of the alarm
609 # the time the alarm was raised
610 duration4human ${duration} >/dev/null; duration_txt="${REPLY}"
611 duration4human ${non_clear_duration} >/dev/null; non_clear_duration_txt="${REPLY}"
612 raised_for="(was ${old_status,,} for ${duration_txt})"
614 # the key status message
615 status_message="status unknown"
617 # the color of the alarm
621 alarm="${name//_/ } = ${value} ${units}"
623 # the image of the alarm
624 image="${images_base_url}/images/seo-performance-128.png"
626 # prepare the title based on status
629 image="${images_base_url}/images/alert-128-red.png"
630 status_message="is critical"
635 image="${images_base_url}/images/alert-128-orange.png"
636 status_message="needs attention"
641 image="${images_base_url}/images/check-mark-2-128-green.png"
642 status_message="recovered"
645 # don't show the value when the status is CLEAR
646 # for certain alarms, this value might not have any meaning
647 alarm="${name//_/ } ${raised_for}"
651 if [ "${status}" = "CLEAR" ]
653 severity="Recovered from ${old_status}"
654 if [ $non_clear_duration -gt $duration ]
656 raised_for="(alarm was raised for ${non_clear_duration_txt})"
659 elif [ "${old_status}" = "WARNING" -a "${status}" = "CRITICAL" ]
661 severity="Escalated to ${status}"
662 if [ $non_clear_duration -gt $duration ]
664 raised_for="(alarm is raised for ${non_clear_duration_txt})"
667 elif [ "${old_status}" = "CRITICAL" -a "${status}" = "WARNING" ]
669 severity="Demoted to ${status}"
670 if [ $non_clear_duration -gt $duration ]
672 raised_for="(alarm is raised for ${non_clear_duration_txt})"
679 # prepare HTML versions of elements
681 [ ! -z "${info}" ] && info_html=" <small><br/>${info}</small>"
684 [ ! -z "${raised_for}" ] && raised_for_html="<br/><small>${raised_for}</small>"
686 # -----------------------------------------------------------------------------
687 # send the slack notification
689 # slack aggregates posts from the same username
690 # so we use "${host} ${status}" as the bot username, to make them diff
692 send_slack "${SLACK_WEBHOOK_URL}" "${to_slack}"
695 # -----------------------------------------------------------------------------
696 # send the pushover notification
698 send_pushover "${PUSHOVER_APP_TOKEN}" "${to_pushover}" "${when}" "${goto_url}" "${status}" "${host} ${status_message} - ${name//_/ } - ${chart}" "
699 <font color=\"${color}\"><b>${alarm}</b></font>${info_html}<br/>
700 <small><b>${chart}</b><br/>Chart<br/> </small>
701 <small><b>${family}</b><br/>Family<br/> </small>
702 <small><b>${severity}</b><br/>Severity<br/> </small>
703 <small><b>${date}${raised_for_html}</b><br/>Time<br/> </small>
704 <a href=\"${goto_url}\">View Netdata</a><br/>
705 <small><small>The source of this alarm is line ${src}</small></small>
710 # -----------------------------------------------------------------------------
711 # send the pushbullet notification
715 Severity: ${severity}
718 To View Netdata go to: ${goto_url}
719 The source of this alarm is line ${src}"
720 pushbullet_title="${status} at ${host} ${status_message} - ${name//_/ } - ${chart}}"
721 send_pushbullet "${PUSHBULLET_ACCESS_TOKEN}" "${to_pushbullet}" "$pushbullet_message" "$pushbullet_title"
725 # -----------------------------------------------------------------------------
726 # send the telegram.org message
728 # https://core.telegram.org/bots/api#formatting-options
729 telegram_message="<b>${severity}"
730 [ "${status_message}" != "recovered" ] && telegram_message="${telegram_message}, ${status_message}"
731 telegram_message="${telegram_message}
732 ${chart} (${family})</b>
733 <a href=\"${goto_url}\">${alarm}</a>
736 send_telegram "${TELEGRAM_BOT_TOKEN}" "${to_telegram}" "${telegram_message}"
740 # -----------------------------------------------------------------------------
745 Subject: ${host} ${status_message} - ${name//_/ } - ${chart}
746 Content-Type: text/html
748 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
749 <html xmlns="http://www.w3.org/1999/xhtml" style="font-family: 'Helvetica Neue', 'Helvetica', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 14px; margin: 0; padding: 0;">
750 <body style="font-family: 'Helvetica Neue', 'Helvetica', Helvetica, Arial, sans-serif; font-size: 14px; width: 100% !important; min-height: 100%; line-height: 1.6; background: #f6f6f6; margin:0; padding: 0;">
754 <td style="vertical-align: top;" valign="top"></td>
755 <td width="700" style="vertical-align: top; display: block !important; max-width: 700px !important; clear: both !important; margin: 0 auto; padding: 0;" valign="top">
756 <div style="max-width: 700px; display: block; margin: 0 auto; padding: 20px;">
757 <table width="100%" cellpadding="0" cellspacing="0" style="background: #fff; border: 1px solid #e9e9e9;">
760 <td bgcolor="#eee" style="padding: 5px 20px 5px 20px; background-color: #eee;">
761 <div style="font-family: 'Helvetica Neue', 'Helvetica', Helvetica, Arial, sans-serif; font-size: 20px; color: #777; font-weight: bold;">netdata notification</div>
765 <td bgcolor="${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: ${color};" align="center" valign="top">
766 <h1 style="font-family: 'Helvetica Neue', 'Helvetica', Helvetica, Arial, sans-serif; font-weight: 400; margin: 0;">${host} ${status_message}</h1>
770 <td style="vertical-align: top;" valign="top">
771 <div style="margin: 0; padding: 20px; max-width: 700px;">
772 <table width="100%" cellpadding="0" cellspacing="0" style="max-width:700px">
775 <td style="font-family: 'Helvetica Neue', 'Helvetica', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding:0 0 20px;" align="left" valign="top">
776 <span>${chart}</span>
777 <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Chart</span>
780 <tr style="margin: 0; padding: 0;">
781 <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">
782 <span><b>${alarm}</b>${info_html}</span>
783 <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Alarm</span>
787 <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">
788 <span>${family}</span>
789 <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Family</span>
792 <tr style="margin: 0; padding: 0;">
793 <td style="font-family: 'Helvetica Neue', 'Helvetica', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;" align="left" valign="top">
794 <span>${severity}</span>
795 <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Severity</span>
798 <tr style="margin: 0; padding: 0;">
799 <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>${date}</span>
800 <span>${raised_for_html}</span> <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Time</span>
803 <tr style="margin: 0; padding: 0;">
804 <td style="font-family: 'Helvetica Neue', 'Helvetica', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;">
805 <a href="${goto_url}" style="font-size: 14px; color: #ffffff; text-decoration: none; line-height: 1.5; font-weight: bold; text-align: center; display: inline-block; text-transform: capitalize; background: #35568d; border-width: 1px; border-style: solid; border-color: #2b4c86; margin: 0; padding: 10px 15px;" target="_blank">View Netdata</a>
808 <tr style="text-align: center; margin: 0; padding: 0;">
809 <td style="font-family: 'Helvetica Neue', 'Helvetica', Helvetica, Arial, sans-serif; font-size: 11px; vertical-align: top; margin: 0; padding: 10px 0 0 0; color: #666666;" align="center" valign="bottom">The source of this alarm is line <code>${src}</code>
812 <tr style="text-align: center; margin: 0; padding: 0;">
813 <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
814 <a href="https://mynetdata.io/" target="_blank">netdata</a>, the real-time performance monitoring.
835 # -----------------------------------------------------------------------------
838 # we did send something
839 [ ${SENT_EMAIL} -eq 0 -o ${SENT_PUSHOVER} -eq 0 -o ${SENT_TELEGRAM} -eq 0 -o ${SENT_SLACK} -eq 0 -o ${SENT_PUSHBULLET} -eq 0 ] && exit 0
841 # we did not send anything