add scrip check release

monitoring/check_tootsuite_mastodon_release.sh

@@ -0,0 +1,33 @@
+#!/bin/bash 
+#
+# Nagios plugin to check mastodon version
+#
+
+# program return value 
+#       0 : OK
+#       1 : CRITICAL
+#       2 : WARNING new version available
+#       3 : UNKNOWN github or local repo not probable
+
+LAST_VERSION=$(curl --silent https://api.github.com/repos/tootsuite/mastodon/releases | jq -r '.[0].name')
+
+INSTALLED_VERSION=$(git -C /home/mastodon/live/ branch | grep ^* | sed -e 's/.*live-//')
+
+if [ -z "$LAST_VERSION" ]; then
+        echo "UNKNOWN : cannot get version from github."
+            exit 3
+fi
+
+if [ -z "$INSTALLED_VERSION" ]; then
+        echo "UNKNOWN : cannot get version from /home/mastodon/live"
+            exit 3
+fi
+
+if [ "$LAST_VERSION" = "$INSTALLED_VERSION" ]; then
+        echo "OK : Installed version is $INSTALLED_VERSION, last version is $LAST_VERSION"
+            exit 0
+        else
+                echo "WARNING : new version available, installed is $INSTALLED_VERSION, last is $LAST_VERSION."
+                    exit 2
+fi
+