@cryptotaxi247 / netdata-1 / commits / 512266bf5

added slack notifications support

Costa Tsaousis (ktsaou) committed Sep 10, 2016 at 01:42 UTC 512266bf55bf13f076a73dba2ace264e9f81163a
2 files changed +223 -66
conf.d/health_alarm_notify.conf
+35 -5
@@ -11,10 +11,12 @@
11
12 # The full path to the sendmail command.
13 # If empty, the system $PATH will be searched for it.
14 +# If not found, email notifications will be disabled.
15 sendmail=""
16
17 # The full path of the curl command.
18 # If empty, the system $PATH will be searched for it.
19 +# If not found, pushover and slack notifications will be disabled.
20 curl=""
21
22
@@ -22,13 +24,13 @@ curl=""
24 # sending emails
25
26 # note: multiple recipients can be given like this:
25 -# "admin1@example.com, admin2@example.com, ..."
27 +# "admin1@example.com admin2@example.com ..."
28 # note it needs a comma!
29
30 # enable/disable sending emails
31 SEND_EMAIL="YES"
32
31 -# if a role recipient is not configured, an email will be send to
33 +# if a role recipient is not configured, an email will be send to:
34 DEFAULT_RECIPIENT_EMAIL="root"
35
36
@@ -36,21 +38,40 @@ DEFAULT_RECIPIENT_EMAIL="root"
38 # sending pushover notifications (pushover.net)
39
40 # note: multiple recipients can be given like this:
39 -# "USERTOKEN1 USERTOKEN2 USERTOKEN3 ..."
41 +# "USERTOKEN1 USERTOKEN2 ..."
42
43 # enable/disable sending pushover notifications
44 SEND_PUSHOVER="YES"
45
44 -# Login to pushover.com to get your pushover app token
46 +# Login to pushover.net to get your pushover app token
47 # You need only one for all your netdata servers.
48 # Without it, netdata cannot send pushover notifications.
49 PUSHOVER_APP_TOKEN=""
50
51 # if a role recipient is not configured, a notification will be send to
50 -# this pushover user token
52 +# this pushover user token:
53 DEFAULT_RECIPIENT_PUSHOVER=""
54
55
56 +###############################################################################
57 +# sending slack notifications
58 +
59 +# note: multiple recipients can be given like this:
60 +# "CHANNEL1 CHANNEL2 ..."
61 +
62 +# enable/disable sending pushover notifications
63 +SEND_SLACK="YES"
64 +
65 +# Login to slack.com and create an incoming webhook.
66 +# You need only one for all your netdata servers.
67 +# Without it, netdata cannot send slack notifications.
68 +SLACK_WEBHOOK_URL=""
69 +
70 +# if a role recipient is not configured, a notification will be send to
71 +# this slack channel:
72 +DEFAULT_RECIPIENT_SLACK=""
73 +
74 +
75 ###############################################################################
76 # RECIPIENTS PER ROLE
77
@@ -62,6 +83,8 @@ role_recipients_email[sysadmin]="${DEFAULT_RECIPIENT_EMAIL}"
83
84 role_recipients_pushover[sysadmin]="${DEFAULT_RECIPIENT_PUSHOVER}"
85
86 +role_recipients_slack[sysadmin]="${DEFAULT_RECIPIENT_SLACK}"
87 +
88
89 # -----------------------------------------------------------------------------
90 # DNS related alarms
@@ -70,6 +93,8 @@ role_recipients_email[domainadmin]="${DEFAULT_RECIPIENT_EMAIL}"
93
94 role_recipients_pushover[domainadmin]="${DEFAULT_RECIPIENT_PUSHOVER}"
95
96 +role_recipients_slack[domainadmin]="${DEFAULT_RECIPIENT_SLACK}"
97 +
98
99 # -----------------------------------------------------------------------------
100 # database servers alarms
@@ -79,6 +104,8 @@ role_recipients_email[dba]="${DEFAULT_RECIPIENT_EMAIL}"
104
105 role_recipients_pushover[dba]="${DEFAULT_RECIPIENT_PUSHOVER}"
106
107 +role_recipients_slack[dba]="${DEFAULT_RECIPIENT_SLACK}"
108 +
109
110 # -----------------------------------------------------------------------------
111 # web servers alarms
@@ -88,6 +115,8 @@ role_recipients_email[webmaster]="${DEFAULT_RECIPIENT_EMAIL}"
115
116 role_recipients_pushover[webmaster]="${DEFAULT_RECIPIENT_PUSHOVER}"
117
118 +role_recipients_slack[webmaster]="${DEFAULT_RECIPIENT_SLACK}"
119 +
120
121 # -----------------------------------------------------------------------------
122 # proxy servers alarms
@@ -97,3 +126,4 @@ role_recipients_email[proxyadmin]="${DEFAULT_RECIPIENT_EMAIL}"
126
127 role_recipients_pushover[proxyadmin]="${DEFAULT_RECIPIENT_PUSHOVER}"
128
129 +role_recipients_slack[proxyadmin]="${DEFAULT_RECIPIENT_SLACK}"
plugins.d/alarm-notify.sh
+188 -61
@@ -53,8 +53,14 @@ curl=
53 sendmail=
54
55 # enable / disable features
56 -SEND_EMAIL="YES"
56 +SEND_SLACK="YES"
57 SEND_PUSHOVER="YES"
58 +SEND_EMAIL="YES"
59 +
60 +# slack configs
61 +SLACK_WEBHOOK_URL=
62 +DEFAULT_RECIPIENT_SLACK=
63 +declare -A role_recipients_slack=()
64
65 # pushover configs
66 PUSHOVER_APP_TOKEN=
@@ -65,6 +71,8 @@ declare -A role_recipients_pushover=()
71 DEFAULT_RECIPIENT_EMAIL="root"
72 declare -A role_recipients_email=()
73
74 +# load the user configuration
75 +# this will overwrite the variables above
76 if [ -f "${NETDATA_CONFIG_DIR}/health_alarm_notify.conf" ]
77 then
78 source "${NETDATA_CONFIG_DIR}/health_alarm_notify.conf"
@@ -73,23 +81,65 @@ fi
81 # -----------------------------------------------------------------------------
82 # find the exact recipient per method
83
76 -to_email="${role_recipients_email[${recipient}]}"
77 -[ -z "${to_email}" ] && to_email="${DEFAULT_RECIPIENT_EMAIL}"
84 +declare -A arr_slack=()
85 +declare -A arr_pushover=()
86 +declare -A arr_email=()
87 +
88 +# netdata may call us with multiple recipients
89 +# so, here we find the unique ones
90 +for x in ${recipient}
91 +do
92 + # email
93 + a="${role_recipients_email[${recipient}]}"
94 + [ -z "${a}" ] && a="${DEFAULT_RECIPIENT_EMAIL}"
95 + for r in ${a//,/ }; do arr_email[${r}]="1"; done
96 +
97 + # pushover
98 + a="${role_recipients_pushover[${recipient}]}"
99 + [ -z "${a}" ] && a="${DEFAULT_RECIPIENT_PUSHOVER}"
100 + for r in ${a//,/ }; do arr_pushover[${r}]="1"; done
101 +
102 + # slack
103 + a="${role_recipients_slack[${recipient}]}"
104 + [ -z "${a}" ] && a="${DEFAULT_RECIPIENT_SLACK}"
105 + for r in ${a//,/ }; do arr_slack[${r}]="1"; done
106 +done
107 +
108 +# build the list of slack recipients (channels)
109 +to_slack="${!arr_slack[*]}"
110 +[ -z "${to_slack}" ] && SEND_SLACK="NO"
111 +
112 +# build the list of pushover recipients (user tokens)
113 +to_pushover="${!arr_pushover[*]}"
114 +[ -z "${to_pushover}" ] && SEND_PUSHOVER="NO"
115 +
116 +# build the list of email recipients (email addresses)
117 +to_email=
118 +for x in "${!arr_email[*]}"
119 +do
120 + [ ! -z "${to_email}" ] && to_email="${to_email}, "
121 + to_email="${to_email}${x}"
122 +done
123 [ -z "${to_email}" ] && to_email="root"
124
80 -to_pushover="${role_recipients_pushover[${recipient}]}"
81 -[ -z "${to_pushover}" ] && to_pushover="${DEFAULT_RECIPIENT_EMAIL}"
82 -[ -z "${to_pushover}" ] && SEND_PUSHOVER="NO"
125
126 # -----------------------------------------------------------------------------
127 # verify the delivery methods supported
128
129 +# check slack
130 +[ -z "${SLACK_WEBHOOK_URL}" ] && SEND_SLACK="NO"
131 +
132 +# check pushover
133 [ -z "${PUSHOVER_APP_TOKEN}" ] && SEND_PUSHOVER="NO"
134
89 -if [ "${SEND_PUSHOVER}" = "YES" -a -z "${curl}" ]
135 +if [ \( "${SEND_PUSHOVER}" = "YES" -o "${SEND_SLACK}" = "YES" \) -a -z "${curl}" ]
136 then
137 curl="$(which curl 2>/dev/null || command -v curl 2>/dev/null)"
92 - [ -z "${curl}" ] && SEND_PUSHOVER="NO"
138 + if [ -z "${curl}" ]
139 + then
140 + SEND_PUSHOVER="NO"
141 + SEND_SLACK="NO"
142 + fi
143 fi
144
145 if [ "${SEND_EMAIL}" = "YES" -a -z "${sendmail}" ]
@@ -99,7 +149,7 @@ if [ "${SEND_EMAIL}" = "YES" -a -z "${sendmail}" ]
149 fi
150
151 # check that we have at least a method enabled
102 -if [ "${SEND_EMAIL}" != "YES" -a "${SEND_PUSHOVER}" != "YES" ]
152 +if [ "${SEND_EMAIL}" != "YES" -a "${SEND_PUSHOVER}" != "YES" -a "${SEND_SLACK}" != "YES" ]
153 then
154 echo >&2 "I don't have a means to send a notification. Sorry!"
155 exit 1
@@ -118,6 +168,30 @@ fi
168 date="$(date --date=@${when} 2>/dev/null)"
169 [ -z "${date}" ] && date="$(date 2>/dev/null)"
170
171 +# -----------------------------------------------------------------------------
172 +# URL encode a string
173 +
174 +urlencode() {
175 + local string="${1}" strlen encoded pos c o
176 +
177 + strlen=${#string}
178 + for (( pos=0 ; pos<strlen ; pos++ ))
179 + do
180 + c=${string:$pos:1}
181 + case "$c" in
182 + [-_.~a-zA-Z0-9])
183 + o="${c}"
184 + ;;
185 +
186 + *)
187 + printf -v o '%%%02x' "'$c"
188 + ;;
189 + esac
190 + encoded+="${o}"
191 + done
192 + echo "${encoded}"
193 +}
194 +
195 # -----------------------------------------------------------------------------
196 # convert a duration in seconds, to a human readable duration
197 # using DAYS, MINUTES, SECONDS
@@ -195,15 +269,15 @@ send_email() {
269 # pushover sender
270
271 send_pushover() {
198 - local apptoken="${1}" usertoken="${2}" when="${3}" url="${4}" status="${5}" title="${6}" message="${7}" httpcode sent=0 user priority
272 + local apptoken="${1}" usertokens="${2}" when="${3}" url="${4}" status="${5}" title="${6}" message="${7}" httpcode sent=0 user priority
273
200 - if [ "${SEND_PUSHOVER}" = "YES" -a ! -z "${apptoken}" -a ! -z "${usertoken}" -a ! -z "${title}" -a ! -z "${message}" ]
274 + if [ "${SEND_PUSHOVER}" = "YES" -a ! -z "${apptoken}" -a ! -z "${usertokens}" -a ! -z "${title}" -a ! -z "${message}" ]
275 then
276
277 priority=0
278 [ "${status}" = "CRITICAL" ] && priority=1
279
206 - for user in ${usertoken//,/ }
280 + for user in ${usertokens}
281 do
282 httpcode=$(${curl} --write-out %{http_code} --silent --output /dev/null \
283 --form-string "token=${apptoken}" \
@@ -219,10 +293,47 @@ send_pushover() {
293
294 if [ "${httpcode}" == "200" ]
295 then
222 - echo >&2 "${me}: Sent notification push for ${status} on '${chart}.${name}' to '${user}'"
296 + echo >&2 "${me}: Sent pushover notification for: ${host} ${chart}.${name} is ${status} to '${user}'"
297 + sent=$((sent + 1))
298 + else
299 + echo >&2 "${me}: Failed to send pushover notification for: ${host} ${chart}.${name} is ${status} to '${user}' with HTTP error code ${httpcode}."
300 + fi
301 + done
302 +
303 + [ ${sent} -gt 0 ] && return 0
304 + fi
305 +
306 + return 1
307 +}
308 +
309 +# -----------------------------------------------------------------------------
310 +# slack sender
311 +
312 +send_slack() {
313 + local webhook="${1}" channels="${2}" when="${3}" username="${4}" image="${5}" author="${6}" httpcode sent=0 channel color
314 +
315 + if [ "${SEND_SLACK}" = "YES" -a ! -z "${webhook}" -a ! -z "${channels}" -a ! -z "${username}" -a ! -z "${image}" -a ! -z "${author}" ]
316 + then
317 +
318 + case "${status}" in
319 + WARNING) color="warning" ;;
320 + CRITICAL) color="danger" ;;
321 + CLEAR) color="good" ;;
322 + *) color="#777777" ;;
323 + esac
324 +
325 + for channel in ${channels}
326 + do
327 + httpcode=$(${curl} --write-out %{http_code} --silent --output /dev/null -X POST --data-urlencode \
328 + "payload={\"channel\": \"#${channel}\", \"username\": \"${username}\", \"text\": \"${hostname} ${status_message} about ${author} ${raised_for} - click <${goto_url}|here> to view the netdata dashboard.\", \"icon_url\": \"${image}\", \"attachments\": [{\"fallback\": \"${alarm} - ${info}\", \"color\": \"${color}\", \"title\": \"${alarm}\", \"title_link\": \"${goto_url}\", \"text\": \"${info}\", \"footer\": \"netdata\", \"footer_icon\": \"${NETDATA_REGISTRY_URL}/images/seo-performance-128.png\", \"ts\": ${when}}]}" \
329 + "${webhook}")
330 +
331 + if [ "${httpcode}" == "200" ]
332 + then
333 + echo >&2 "${me}: Sent slack notification for: ${host} ${chart}.${name} is ${status} to '${channel}'"
334 sent=$((sent + 1))
335 else
225 - echo >&2 "${me}: FAILED to send notification push for ${status} on '${chart}.${name}' to '${user}' with HTTP error code ${httpcode}."
336 + echo >&2 "${me}: Failed to send slack notification for: ${host} ${chart}.${name} is ${status} to '${channel}', with HTTP error code ${httpcode}."
337 fi
338 done
339
@@ -236,17 +347,14 @@ send_pushover() {
347 # -----------------------------------------------------------------------------
348 # prepare the content of the notification
349
239 -# description of the alarm
240 -[ ! -z "${info}" ] && info=" <small><br/>${info}</small>"
241 -
350 # the url to send the user on click
243 -goto_url="${NETDATA_REGISTRY_URL}/goto-host-from-alarm.html?machine_guid=${NETDATA_REGISTRY_UNIQUE_ID}&chart=${chart}&family=${family}"
351 +goto_url="${NETDATA_REGISTRY_URL}/goto-host-from-alarm.html?host=$(urlencode "${NETDATA_REGISTRY_HOSTNAME}")&chart=${chart}&family=${family}"
352
353 # the severity of the alarm
354 severity="${status}"
355
356 # the time the alarm was raised
249 -raised_for="<br/><small>(was ${old_status,,} for $(duration4human ${duration}))</small>"
357 +raised_for="(was ${old_status,,} for $(duration4human ${duration}))"
358
359 # the key status message
360 status_message="status unknown"
@@ -257,19 +365,25 @@ color="grey"
365 # the alarm value
366 alarm="${name//_/ } = ${value} ${units}"
367
368 +# the image of the alarm
369 +image="${NETDATA_REGISTRY_URL}/images/seo-performance-128.png"
370 +
371 # prepare the title based on status
372 case "${status}" in
373 CRITICAL)
374 + image="${NETDATA_REGISTRY_URL}/images/alert-128-red.png"
375 status_message="is critical"
376 color="#ca414b"
377 ;;
378
379 WARNING)
380 + image="${NETDATA_REGISTRY_URL}/images/alert-128-orange.png"
381 status_message="needs attention"
382 color="#caca4b"
383 ;;
384
385 CLEAR)
386 + image="${NETDATA_REGISTRY_URL}/images/check-mark-2-128-green.png"
387 status_message="recovered"
388 color="#77ca6d"
389
@@ -284,7 +398,7 @@ then
398 severity="Recovered from ${old_status}"
399 if [ $non_clear_duration -gt $duration ]
400 then
287 - raised_for="<br/><small>(had issues for $(duration4human ${non_clear_duration}))</small>"
401 + raised_for="(had issues for $(duration4human ${non_clear_duration}))"
402 fi
403
404 elif [ "${old_status}" = "WARNING" -a "${status}" = "CRITICAL" ]
@@ -292,7 +406,7 @@ then
406 severity="Escalated to ${status}"
407 if [ $non_clear_duration -gt $duration ]
408 then
295 - raised_for="<br/><small>(has issues for $(duration4human ${non_clear_duration}))</small>"
409 + raised_for="(has issues for $(duration4human ${non_clear_duration}))"
410 fi
411
412 elif [ "${old_status}" = "CRITICAL" -a "${status}" = "WARNING" ]
@@ -300,23 +414,38 @@ then
414 severity="Demoted to ${status}"
415 if [ $non_clear_duration -gt $duration ]
416 then
303 - raised_for="<br/><small>(has issues for $(duration4human ${non_clear_duration}))</small>"
417 + raised_for="(has issues for $(duration4human ${non_clear_duration}))"
418 fi
419
420 else
421 raised_for=
422 fi
423
424 +# prepare HTML versions of elements
425 +info_html=
426 +[ ! -z "${info}" ] && info_html=" <small><br/>${info}</small>"
427 +
428 +raised_for_html=
429 +[ ! -z "${raised_for}" ] && raised_for_html="<br/><small>${raised_for}</small>"
430 +
431 +# -----------------------------------------------------------------------------
432 +# send the slack notification
433 +
434 +# slack aggregates posts from the same username
435 +# so we use "${hostname} ${status}" as the bot username, to make them diff
436 +
437 +send_slack "${SLACK_WEBHOOK_URL}" "${to_slack}" "${when}" "${hostname} ${status}" "${image}" "${chart} (${family})"
438 +SENT_SLACK=$?
439
440 # -----------------------------------------------------------------------------
312 -# send the pushover
441 +# send the pushover notification
442
443 send_pushover "${PUSHOVER_APP_TOKEN}" "${to_pushover}" "${when}" "${goto_url}" "${status}" "${hostname} ${status_message} - ${name//_/ } - ${chart}" "
315 -<font color=\"${color}\"><b>${alarm}</b></font>${info}<br/>&nbsp;
444 +<font color=\"${color}\"><b>${alarm}</b></font>${info_html}<br/>&nbsp;
445 <small><b>${chart}</b><br/>Chart<br/>&nbsp;</small>
446 <small><b>${family}</b><br/>Family<br/>&nbsp;</small>
447 <small><b>${severity}</b><br/>Severity<br/>&nbsp;</small>
319 -<small><b>${date}${raised_for}</b><br/>Time<br/>&nbsp;</small>
448 +<small><b>${date}${raised_for_html}</b><br/>Time<br/>&nbsp;</small>
449 <a href=\"${goto_url}\">View Netdata</a><br/>&nbsp;
450 <small><small>The source of this alarm is line ${src}</small></small>
451 "
@@ -326,79 +455,77 @@ SENT_PUSHOVER=$?
455 # -----------------------------------------------------------------------------
456 # send the email
457
329 -cat <<EOF | send_email
458 +send_email <<EOF
459 To: ${to_email}
460 Subject: ${hostname} ${status_message} - ${name//_/ } - ${chart}
461 Content-Type: text/html
462
463 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
464 <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;">
336 -<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">
465 +<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;">
466 <table>
467 <tbody>
468 <tr>
340 - <td style="vertical-align:top;" valign="top"></td>
341 - <td width="700" style="vertical-align:top;display:block!important;max-width:700px!important;clear:both!important;margin:0 auto;padding:0" valign="top">
342 - <div style="max-width:700px;display:block;margin:0 auto;padding:20px">
343 - <table width="100%" cellpadding="0" cellspacing="0" style="background:#fff;border:1px solid #e9e9e9">
469 + <td style="vertical-align: top;" valign="top"></td>
470 + <td width="700" style="vertical-align: top; display: block !important; max-width: 700px !important; clear: both !important; margin: 0 auto; padding: 0;" valign="top">
471 + <div style="max-width: 700px; display: block; margin: 0 auto; padding: 20px;">
472 + <table width="100%" cellpadding="0" cellspacing="0" style="background: #fff; border: 1px solid #e9e9e9;">
473 <tbody>
474 <tr>
346 - <td bgcolor="#eee" style="padding: 5px 20px 5px 20px;background-color:#eee;">
347 - <div style="font-size:20px;color:#777;font-weight: bold;">netdata notification</div>
475 + <td bgcolor="#eee" style="padding: 5px 20px 5px 20px; background-color: #eee;">
476 + <div style="font-family: 'Helvetica Neue', 'Helvetica', Helvetica, Arial, sans-serif; font-size: 20px; color: #777; font-weight: bold;">netdata notification</div>
477 </td>
478 </tr>
479 <tr>
351 - <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">
352 - <h1 style="font-weight:400;margin:0">${hostname} ${status_message}</h1>
480 + <td bgcolor="${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: ${color};" align="center" valign="top">
481 + <h1 style="font-family: 'Helvetica Neue', 'Helvetica', Helvetica, Arial, sans-serif; font-weight: 400; margin: 0;">${hostname} ${status_message}</h1>
482 </td>
483 </tr>
484 <tr>
356 - <td style="vertical-align:top" valign="top">
357 - <div style="margin:0;padding:20px;max-width:700px">
485 + <td style="vertical-align: top;" valign="top">
486 + <div style="margin: 0; padding: 20px; max-width: 700px;">
487 <table width="100%" cellpadding="0" cellspacing="0" style="max-width:700px">
488 <tbody>
489 <tr>
361 - <td style="font-size:18px;vertical-align:top;margin:0;padding:0 0 20px" align="left" valign="top">
490 + <td style="font-family: 'Helvetica Neue', 'Helvetica', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding:0 0 20px;" align="left" valign="top">
491 <span>${chart}</span>
363 - <span style="display:block;color:#666666;font-size:12px;font-weight:300;line-height:1;text-transform:uppercase">Chart</span>
492 + <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Chart</span>
493 </td>
494 </tr>
366 - <tr style="margin:0;padding:0">
367 - <td style="font-size:18px;vertical-align:top;margin:0;padding:0 0 20px" align="left" valign="top">
368 - <span><b>${alarm}</b>${info}</span>
369 - <span style="display:block;color:#666666;font-size:12px;font-weight:300;line-height:1;text-transform:uppercase">Alarm</span>
495 + <tr style="margin: 0; padding: 0;">
496 + <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">
497 + <span><b>${alarm}</b>${info_html}</span>
498 + <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Alarm</span>
499 </td>
500 </tr>
501 <tr>
373 - <td style="font-size:18px;vertical-align:top;margin:0;padding:0 0 20px" align="left" valign="top">
502 + <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">
503 <span>${family}</span>
375 - <span style="display:block;color:#666666;font-size:12px;font-weight:300;line-height:1;text-transform:uppercase">Family</span>
504 + <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Family</span>
505 </td>
506 </tr>
378 - <tr style="margin:0;padding:0">
379 - <td style="font-size:18px;vertical-align:top;margin:0;padding:0 0 20px" align="left" valign="top">
507 + <tr style="margin: 0; padding: 0;">
508 + <td style="font-family: 'Helvetica Neue', 'Helvetica', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;" align="left" valign="top">
509 <span>${severity}</span>
381 - <span style="display:block;color:#666666;font-size:12px;font-weight:300;line-height:1;text-transform:uppercase">Severity</span>
510 + <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Severity</span>
511 </td>
512 </tr>
384 - <tr style="margin:0;padding:0">
385 - <td style="font-size:18px;vertical-align:top;margin:0;padding:0 0 20px" align="left" valign="top"><span>${date}</span>
386 - <span>${raised_for}</span> <span style="display:block;color:#666666;font-size:12px;font-weight:300;line-height:1;text-transform:uppercase">Time</span>
513 + <tr style="margin: 0; padding: 0;">
514 + <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>${date}</span>
515 + <span>${raised_for_html}</span> <span style="display: block; color: #666666; font-size: 12px; font-weight: 300; line-height: 1; text-transform: uppercase;">Time</span>
516 </td>
517 </tr>
389 - <!--
390 - <tr style="margin:0;padding:0">
391 - <td style="font-size:18px;vertical-align:top;margin:0;padding:0 0 20px">
392 - <a href="${goto_url}" style="font-size:14px;color:#ffffff;text-decoration:none;line-height:1.5;font-weight:bold;text-align:center;display:inline-block;text-transform:capitalize;background:#35568d;border-width:1px;border-style:solid;border-color:#2b4c86;margin:0;padding:10px 15px" target="_blank">View Netdata</a>
518 + <tr style="margin: 0; padding: 0;">
519 + <td style="font-family: 'Helvetica Neue', 'Helvetica', Helvetica, Arial, sans-serif; font-size: 18px; vertical-align: top; margin: 0; padding: 0 0 20px;">
520 + <a href="${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>
521 </td>
522 </tr>
395 - -->
396 - <tr style="text-align:center;margin:0;padding:0">
397 - <td style="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>${src}</code>
523 + <tr style="text-align: center; margin: 0; padding: 0;">
524 + <td style="font-family: 'Helvetica Neue', 'Helvetica', Helvetica, Arial, sans-serif; font-size: 11px; vertical-align: top; margin: 0; padding: 10px 0 0 0; color: #666666;" align="center" valign="bottom">The source of this alarm is line <code>${src}</code>
525 </td>
526 </tr>
400 - <tr style="text-align:center;margin:0;padding:0">
401 - <td style="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
527 + <tr style="text-align: center; margin: 0; padding: 0;">
528 + <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
529 <a href="https://mynetdata.io/" target="_blank">netdata</a>, the real-time performance monitoring.
530 </td>
531 </tr>
@@ -424,7 +551,7 @@ SENT_EMAIL=$?
551 # let netdata know
552
553 # we did send somehting
427 -[ ${SENT_EMAIL} -eq 0 -o ${SENT_PUSHOVER} -eq 0 ] && exit 0
554 +[ ${SENT_EMAIL} -eq 0 -o ${SENT_PUSHOVER} -eq 0 -o ${SENT_SLACK} -eq 0 ] && exit 0
555
556 # we did not send anything
557 exit 1