Merge tag 'upstream/1.3.0+dfsg'

Upstream version 1.3.0+dfsg

1 files changed, 264 insertions, 0 deletions

diff --git a/plugins.d/alarm-email.sh b/plugins.d/alarm-email.sh
new file mode 100755
index 000000000..78c79ccdb
--- /dev/null
+++ b/plugins.d/alarm-email.sh
@@ -0,0 +1,264 @@
+#!/usr/bin/env bash
+
+me="${0}"
+
+sendmail="$(which sendmail 2>/dev/null || command -v sendmail 2>/dev/null)"
+if [ -z "${sendmail}" ]
+then
+    echo >&2 "I cannot send emails - there is no sendmail command available."
+fi
+
+sendmail_from_pipe() {
+    "${sendmail}" -t
+
+    if [ $? -eq 0 ]
+    then
+        echo >&2 "${me}: Sent notification email for ${status} on '${chart}.${name}'"
+        return 0
+    else
+        echo >&2 "${me}: FAILED to send notification email for ${status} on '${chart}.${name}'"
+        return 1
+    fi
+}
+
+name="${1}"       # the name of the alarm, as given in netdata health.d entries
+chart="${2}"      # the name of the chart (type.id)
+family="${3}"     # the family of the chart
+status="${4}"     # the current status : UNITIALIZED, UNDEFINED, CLEAR, WARNING, CRITICAL
+old_status="${5}" # the previous status: UNITIALIZED, UNDEFINED, CLEAR, WARNING, CRITICAL
+value="${6}"      # the current value
+old_value="${7}"  # the previous value
+src="${8}"        # the line number and file the alarm has been configured
+duration="${9}"   # the duration in seconds the previous state took
+non_clear_duration="${10}" # the total duration in seconds this is non-clear
+units="${11}"     # the units of the value
+info="${12}"      # a short description of the alarm
+
+[ ! -z "${info}" ] && info=" <small><br/>${info}</small>"
+
+# get the system hostname
+hostname="${NETDATA_HOSTNAME}"
+[ -z "${hostname}" ] && hostname="${NETDATA_REGISTRY_HOSTNAME}"
+[ -z "${hostname}" ] && hostname="$(hostname)"
+
+goto_url="${NETDATA_REGISTRY_URL}/goto-host-from-alarm.html?machine_guid=${NETDATA_REGISTRY_UNIQUE_ID}&chart=${chart}&family=${family}"
+
+# get the current date
+date="$(date)"
+
+duration4human() {
+    local s="${1}" d=0 h=0 m=0 ds="day" hs="hour" ms="minute" ss="second"
+    d=$(( s / 86400 ))
+    s=$(( s - (d * 86400) ))
+    h=$(( s / 3600 ))
+    s=$(( s - (h * 3600) ))
+    m=$(( s / 60 ))
+    s=$(( s - (m * 60) ))
+
+    if [ ${d} -gt 0 ]
+    then
+        [ ${m} -ge 30 ] && h=$(( h + 1 ))
+        [ ${d} -gt 1 ] && ds="days"
+        [ ${h} -gt 1 ] && hs="hours"
+        if [ ${h} -gt 0 ]
+        then
+            echo "${d} ${ds} and ${h} ${hs}"
+        else
+            echo "${d} ${ds}"
+        fi
+    elif [ ${h} -gt 0 ]
+    then
+        [ ${s} -ge 30 ] && m=$(( m + 1 ))
+        [ ${h} -gt 1 ] && hs="hours"
+        [ ${m} -gt 1 ] && ms="minutes"
+        if [ ${m} -gt 0 ]
+        then
+            echo "${h} ${hs} and ${m} ${ms}"
+        else
+            echo "${h} ${hs}"
+        fi
+    elif [ ${m} -gt 0 ]
+    then
+        [ ${m} -gt 1 ] && ms="minutes"
+        [ ${s} -gt 1 ] && ss="seconds"
+        if [ ${s} -gt 0 ]
+        then
+            echo "${m} ${ms} and ${s} ${ss}"
+        else
+            echo "${m} ${ms}"
+        fi
+    else
+        [ ${s} -gt 1 ] && ss="seconds"
+        echo "${s} ${ss}"
+    fi
+}
+
+severity="${status}"
+raised_for="<br/>(was ${old_status,,} for $(duration4human ${duration}))"
+status_message="status unknown"
+color="grey"
+alarm="${name} = ${value} ${units}"
+
+# prepare the title based on status
+case "${status}" in
+	CRITICAL)
+        status_message="is critical"
+        color="#ca414b"
+        ;;
+
+    WARNING)
+        status_message="needs attention"
+        color="#caca4b"
+		;;
+
+	CLEAR)
+    	status_message="recovered"
+		color="#77ca6d"
+
+		# don't show the value when the status is CLEAR
+		# for certain alarms, this value might not have any meaning
+		alarm="${name}"
+		;;
+esac
+
+if [ "${status}" != "WARNING" -a "${status}" != "CRITICAL" -a "${status}" != "CLEAR" ]
+then
+    # don't do anything if this is not WARNING, CRITICAL or CLEAR
+    echo >&2 "${me}: not sending notification email for ${status} on '${chart}.${name}'"
+    exit 0
+elif [ "${old_status}" != "WARNING" -a "${old_status}" != "CRITICAL" -a "${status}" = "CLEAR" ]
+then
+    # don't do anything if this is CLEAR, but it was not WARNING or CRITICAL
+    echo >&2 "${me}: not sending notification email for ${status} on '${chart}.${name}' (last status was ${old_status})"
+    exit 0
+elif [ "${status}" = "CLEAR" ]
+then
+    severity="Recovered from ${old_status}"
+    if [ $non_clear_duration -gt $duration ]
+    then
+        raised_for="<br/>(had issues for $(duration4human ${non_clear_duration}))"
+    fi
+
+elif [ "${old_status}" = "WARNING" -a "${status}" = "CRITICAL" ]
+then
+    severity="Escalated to ${status}"
+    if [ $non_clear_duration -gt $duration ]
+    then
+        raised_for="<br/>(has issues for $(duration4human ${non_clear_duration}))"
+    fi
+
+elif [ "${old_status}" = "CRITICAL" -a "${status}" = "WARNING" ]
+then
+    severity="Demoted to ${status}"
+    if [ $non_clear_duration -gt $duration ]
+    then
+        raised_for="<br/>(has issues for $(duration4human ${non_clear_duration}))"
+    fi
+
+else
+    raised_for=
+fi
+
+# send the email
+cat <<EOF | sendmail_from_pipe
+To: root
+Subject: ${hostname} ${status_message} - ${chart}.${name}
+Content-Type: text/html
+
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" style="font-family: 'Helvetica Neue', 'Helvetica', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 14px; margin: 0; padding: 0;">
+<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">
+<table>
+    <tbody>
+    <tr>
+        <td style="vertical-align:top;" valign="top"></td>
+        <td width="700" style="vertical-align:top;display:block!important;max-width:700px!important;clear:both!important;margin:0 auto;padding:0" valign="top">
+            <div style="max-width:700px;display:block;margin:0 auto;padding:20px">
+                <table width="100%" cellpadding="0" cellspacing="0"
+                       style="background:#fff;border:1px solid #e9e9e9">
+                    <tbody>
+                    <tr>
+                        <td bgcolor="#eee"
+                            style="padding: 5px 20px 5px 20px;background-color:#eee;">
+                            <div style="font-size:20px;color:#777;font-weight: bold;">netdata notification</div>
+                        </td>
+                    </tr>
+                    <tr>
+                        <td bgcolor="${color}"
+                            style="font-size:16px;vertical-align:top;font-weight:400;text-align:center;margin:0;padding:10px;color:#ffffff;background:${color}!important;border:1px solid ${color};border-top-color:${color}" align="center" valign="top">
+                            <h1 style="font-weight:400;margin:0">${hostname} ${status_message}</h1>
+                        </td>
+                    </tr>
+                    <tr>
+                        <td style="vertical-align:top" valign="top">
+                            <div style="margin:0;padding:20px;max-width:700px">
+                                <table width="100%" cellpadding="0" cellspacing="0" style="max-width:700px">
+                                    <tbody>
+                                    <tr>
+                                        <td style="font-size:18px;vertical-align:top;margin:0;padding:0 0 20px"
+                                            align="left" valign="top">
+                                            <span>${chart}</span>
+                                            <span style="display:block;color:#666666;font-size:12px;font-weight:300;line-height:1;text-transform:uppercase">Chart</span>
+                                        </td>
+                                    </tr>
+                                    <tr style="margin:0;padding:0">
+                                        <td style="font-size:18px;vertical-align:top;margin:0;padding:0 0 20px"
+                                            align="left" valign="top">
+                                            <span><b>${alarm}</b>${info}</span>
+                                            <span style="display:block;color:#666666;font-size:12px;font-weight:300;line-height:1;text-transform:uppercase">Alarm</span>
+                                        </td>
+                                    </tr>
+                                    <tr>
+                                        <td style="font-size:18px;vertical-align:top;margin:0;padding:0 0 20px"
+                                            align="left" valign="top">
+                                            <span>${family}</span>
+                                            <span style="display:block;color:#666666;font-size:12px;font-weight:300;line-height:1;text-transform:uppercase">Family</span>
+                                        </td>
+                                    </tr>
+                                    <tr style="margin:0;padding:0">
+                                        <td style="font-size:18px;vertical-align:top;margin:0;padding:0 0 20px"
+                                            align="left" valign="top">
+                                            <span>${severity}</span>
+                                            <span style="display:block;color:#666666;font-size:12px;font-weight:300;line-height:1;text-transform:uppercase">Severity</span>
+                                        </td>
+                                    </tr>
+                                    <tr style="margin:0;padding:0">
+                                        <td style="font-size:18px;vertical-align:top;margin:0;padding:0 0 20px"
+                                            align="left" valign="top"><span>${date}</span>
+                                            <span>${raised_for}</span> <span
+                                                    style="display:block;color:#666666;font-size:12px;font-weight:300;line-height:1;text-transform:uppercase">Time</span>
+                                        </td>
+                                    </tr>
+                                    <!--
+                                    <tr style="margin:0;padding:0">
+                                        <td style="font-size:18px;vertical-align:top;margin:0;padding:0 0 20px">
+                                            <a href="${goto_url}" style="font-size:14px;color:#ffffff;text-decoration:none;line-height:1.5;font-weight:bold;text-align:center;display:inline-block;text-transform:capitalize;background:#35568d;border-width:1px;border-style:solid;border-color:#2b4c86;margin:0;padding:10px 15px" target="_blank">View Netdata</a>
+                                        </td>
+                                    </tr>
+                                    -->
+                                    <tr style="text-align:center;margin:0;padding:0">
+                                        <td style="font-size:11px;vertical-align:top;margin:0;padding:10px 0 0 0;color:#666666"
+                                            align="center" valign="bottom">The source of this alarm is line <code>${src}</code>
+                                        </td>
+                                    </tr>
+                                    <tr style="text-align:center;margin:0;padding:0">
+                                        <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
+                                            <a href="https://mynetdata.io/" target="_blank">netdata</a>, the real-time performance monitoring.
+                                        </td>
+                                    </tr>
+                                    </tbody>
+                                </table>
+                            </div>
+                        </td>
+                    </tr>
+                    </tbody>
+                </table>
+            </div>
+        </td>
+    </tr>
+    </tbody>
+</table>
+</body>
+</html>
+EOF