update

etc/matrix.sh

@@ -0,0 +1,29 @@
+#!/bin/sh
+
+baseurl="https://matrix.br0tkasten.de"
+roomId="!30E9BL9QJp3BJqWp:matrix.br0tkasten.de"
+
+message="${MONIT_HOST} (${MONIT_SERVICE}) ${MONIT_EVENT}: ${MONIT_DESCRIPTION}"
+
+if [ "x$message" = "x" ]
+then
+        exit 1
+fi
+
+# login
+token=$(curl --connect-timeout 5 -m 10 -s $baseurl/_matrix/client/r0/login -H 'Accept: application/json' -X POST -d @/etc/monit/matrix_login.json | jq -r .access_token)
+
+# send message
+msgId=$(date +%s%N)
+#curl --connect-timeout 5 -m 10 -s -XPUT -H "Content-Type: application/json;charset=utf-8"  -d "{ \"msgtype\": \"m.text\", \"body\": \"$message\" }" "$baseurl/_matrix/client/r0/rooms/$roomId/send/m.room.message/$msgId?access_token=$token" >/dev/null
+curl --connect-timeout 5 -m 10 -s -XPUT -H "Content-Type: application/json;charset=utf-8" "$baseurl/_matrix/client/r0/rooms/$roomId/send/m.room.message/$msgId?access_token=$token" --data-binary @- << EOF >/dev/null
+{
+  "msgtype": "m.text",
+  "body": "$message"
+}
+EOF
+
+# logout
+curl --connect-timeout 5 -m 10 -s $baseurl/_matrix/client/r0/logout?access_token=$token -X POST >/dev/null
+
+logger "alert: $message"

etc/monit.d/01_httpd.cfg

@@ -0,0 +1,6 @@
+set httpd 
+  port 2812
+  allow "192.168.178.0/24"
+  allow "10.4.0.1/32"
+  allow "10.3.0.1/32"
+  allow "10.5.0.0/24"

etc/monit.d/02_alert.cfg

@@ -0,0 +1,6 @@
+set alert arne@br0tkasten.de
+set mailserver mail.lxc.br0tkasten.de using hostname monit.br0tkasten.de
+set mail-format {
+      from: Monit Support <monit@br0tkasten.de>
+}
+check system monit.br0tkasten.de

etc/monit.d/1_httpd.cfg

@@ -0,0 +1,7 @@
+# Generated by entrypoint.sh
+# Generated by entrypoint.sh
+set httpd
+    port 2812
+    allow 127.0.0.1
+    allow "::1"
+    allow admin:buhNu0Oewais

etc/monit.d/99_checks.cfg

@@ -0,0 +1,37 @@
+check host br0tkasten.de with address br0tkasten.de
+	if failed ping for 3 cycles then exec "/etc/monit/matrix.sh"
+
+check host git.br0tkasten.de with address git.br0tkasten.de
+	if failed port 443 protocol https for 3 cycles then exec "/etc/monit/matrix.sh"
+	if failed port 4848 protocol ssh for 3 cycles then exec "/etc/monit/matrix.sh"
+
+check host mail.br0tkasten.de with address mail.br0tkasten.de
+	if failed port 25 protocol smtp for 3 cycles then exec "/etc/monit/matrix.sh"
+	if failed port 143 protocol imap for 3 cycles then exec "/etc/monit/matrix.sh"
+	if failed port 443 protocol https for 3 cycles then exec "/etc/monit/matrix.sh"
+
+check host matrix.br0tkasten.de with address matrix.br0tkasten.de
+	if failed port 443 protocol https for 3 cycles then exec "/etc/monit/matrix.sh"
+
+check host motion.br0tkasten.de with address motion.br0tkasten.de
+	if failed port 443 protocol https for 3 cycles then exec "/etc/monit/matrix.sh"
+
+check host mrtg.br0tkasten.de with address mrtg.br0tkasten.de
+	if failed port 443 protocol https status = 401 for 3 cycles then exec "/etc/monit/matrix.sh"
+
+check host www.br0tkasten.de with address www.br0tkasten.de
+	if failed port 443 protocol https for 3 cycles then exec "/etc/monit/matrix.sh"
+
+check host www.br0tcraft.de with address www.br0tcraft.de
+	if failed port 443 protocol https for 3 cycles then exec "/etc/monit/matrix.sh"
+
+check host www.creative-crafter.de with address www.creative-crafter.de
+	if failed port 443 protocol https for 3 cycles then exec "/etc/monit/matrix.sh"
+
+check host www.familienhilfe-baeumler.de with address www.familienhilfe-baeumler.de
+	if failed port 443 protocol https for 3 cycles then exec "/etc/monit/matrix.sh"
+
+check host www.somachtstefaniedas.de with address www.somachtstefaniedas.de
+	if failed port 443 protocol https for 3 cycles then exec "/etc/monit/matrix.sh"
+
+

etc/monitrc

@@ -0,0 +1,26 @@
+set daemon  300
+set pidfile /var/run/monit.pid
+set idfile /var/.monit.id
+set statefile /var/.monit.state
+set limits {
+    programOutput:     512 B,
+    sendExpectBuffer:  256 B,
+    fileContentBuffer: 512 B,
+    httpContentBuffer: 1 MB,
+    networkTimeout:    5 seconds
+    programTimeout:    300 seconds
+    stopTimeout:       30 seconds
+    startTimeout:      30 seconds
+    restartTimeout:    30 seconds
+}
+
+set ssl {
+    verify     : enable,
+    selfsigned : allow
+}
+
+set eventqueue
+    basedir /var/monit
+    slots 100
+
+include /etc/monit/monit.d/*.cfg