From 128b3bd982c767b3437a02917bf675eca05c0266 Mon Sep 17 00:00:00 2001
From: Salt <rehashedsalt@cock.li>
Date: Mon, 2 May 2022 15:46:41 -0500
Subject: [PATCH] Add some fancy schmancy unicode to our monitoring alert
 scripts

---
 playbooks/prod_web.yml                  |  4 +-
 roles/nagios/templates/notify-by-matrix | 49 ++++++++++++++++++++++++-
 2 files changed, 50 insertions(+), 3 deletions(-)

diff --git a/playbooks/prod_web.yml b/playbooks/prod_web.yml
index 3d55a90..50a507d 100755
--- a/playbooks/prod_web.yml
+++ b/playbooks/prod_web.yml
@@ -181,9 +181,9 @@
           - name: check_by_ssh
             command: "$USER1$/check_by_ssh -H $HOSTADDRESS$ -F /opt/nagios/etc/ssh_config -t 30 -q -i /opt/nagios/etc/id_ed25519 -l nagios-checker -C \"$ARG1$\""
           - name: notify-host-by-matrix
-            command: "/usr/bin/printf \"%b\" \"$NOTIFICATIONTYPE$ - $HOSTNAME$ is $HOSTSTATE$\\nAddress: $HOSTADDRESS$\\nInfo: $HOSTOUTPUT$\\nDate/Time: $LONGDATETIME$\" | /opt/Custom-Nagios-Plugins/notify-by-matrix"
+            command: "/usr/bin/printf \"%b\" \"$NOTIFICATIONTYPE$\\n$HOSTNAME$ is $HOSTSTATE$\\nAddress: $HOSTADDRESS$\\nInfo: $HOSTOUTPUT$\\nDate/Time: $LONGDATETIME$\" | /opt/Custom-Nagios-Plugins/notify-by-matrix"
           - name: notify-service-by-matrix
-            command: "/usr/bin/printf \"%b\" \"$NOTIFICATIONTYPE$ - Service $HOSTALIAS$ - $SERVICEDESC$ is $SERVICESTATE$\\nInfo: $SERVICEOUTPUT$\\nDate/Time: $LONGDATETIME$\" | /opt/Custom-Nagios-Plugins/notify-by-matrix"
+            command: "/usr/bin/printf \"%b\" \"$NOTIFICATIONTYPE$\\nService $HOSTALIAS$ - $SERVICEDESC$ is $SERVICESTATE$\\nInfo: $SERVICEOUTPUT$\\nDate/Time: $LONGDATETIME$\" | /opt/Custom-Nagios-Plugins/notify-by-matrix"
         nagios_services:
           # Agentless checks
           - name: HTTP
diff --git a/roles/nagios/templates/notify-by-matrix b/roles/nagios/templates/notify-by-matrix
index 86323fa..c501011 100644
--- a/roles/nagios/templates/notify-by-matrix
+++ b/roles/nagios/templates/notify-by-matrix
@@ -16,6 +16,53 @@ MX_ROOM="{{ nagios_matrix_room }}"
 # Get a TXN to prefix this particular message with
 MX_TXN="$(date "+%s")$(( RANDOM % 9999 ))"
 
+# Read the first line from STDIN
+# This is supposed to be the NOTIFICATIONTYPE
+read notiftype
+prefix=""
+# https://assets.nagios.com/downloads/nagioscore/docs/nagioscore/3/en/macrolist.html#notificationtype
+case "$notiftype" in
+	PROBLEM)
+		# Large Red Circle (U+1F534)
+		prefix="🔴"
+		;;
+	RECOVERY)
+		# Large Green Circle (U+1F7E2)
+		prefix="🟢"
+		;;
+	ACKNOWLEDGEMENT)
+		# Symbol For Acknowledge (U+2406)
+		prefix="␆"
+		;;
+	FLAPPINGSTART)
+		# Large Orange Circle (U+1F7E0)
+		prefix="🟠"
+		;;
+	FLAPPINGSTOP)
+		# Large Green Circle (U+1F7E2)
+		prefix="🟢"
+		;;
+	FLAPPINGDISABLED)
+		# Bell with Cancellation Stroke (U+1F515)
+		prefix="🔕"
+		;;
+	DOWNTIMESTART)
+		# Bell with Cancellation Stroke (U+1F515)
+		prefix="🔕"
+		;;
+	DOWNTIMEEND)
+		# Bell (U+1F514)
+		prefix="🔔"
+		;;
+	DOWNTIMECANCELLED)
+		# Bell (U+1F514)
+		prefix="🔔"
+		;;
+	*)
+		prefix="$notiftype - "
+		;;
+esac
+
 # Read a message from STDIN
 # NOTE: This is dangerous and stupid and unsanitized
 read message
@@ -29,6 +76,6 @@ curl -X PUT \
 	--header 'Accept: application/json' \
 	-d "{
 		\"msgtype\": \"m.text\",
-		\"body\": \"$message\"
+		\"body\": \"$prefix $message\"
 	}" \
 	"$MX_SERVER/_matrix/client/unstable/rooms/$MX_ROOM/send/m.room.message/$MX_TXN?access_token=$MX_TOKEN"