Add mysql and redis monitoring

[perso/Immae/Config/Nix.git] / modules / private / monitoring / plugins / check_mysql_replication

diff --git a/modules/private/monitoring/plugins/check_mysql_replication b/modules/private/monitoring/plugins/check_mysql_replication
new file mode 100755 (executable)
index 0000000..8923928
--- /dev/null
+++ b/modules/private/monitoring/plugins/check_mysql_replication
@@ -0,0 +1,35 @@
+#!/bin/bash
+
+STATE_OK=0
+STATE_WARNING=1
+STATE_CRITICAL=2
+STATE_UNKNOWN=3
+
+socket=$1
+config_file=$2
+info=$(mysql --defaults-file=${config_file} -S $socket -e "show slave status" --vertical)
+exit_code=$?
+
+lag=$(echo "$info" | grep Seconds_Behind_Master | cut -d':' -f2 | sed -e "s/\s//g")
+
+if [[ $exit_code -ne 0 ]]; then
+  echo "UNKNOWN - Impossible to run mysql command"
+  exit $STATE_UNKNOWN
+elif [[ -z "$lag" ]]; then
+  echo "UNKNOWN - No replication found for mysql"
+  exit $STATE_UNKNOWN
+else
+  output="Replication lag for mysql is ${lag}s"
+  LC_ALL=C lag=$(printf "%.*f" 0 $lag)
+
+  if [[ $lag -lt 5 ]]; then
+    echo "OK - $output"
+    exit $STATE_OK
+  elif [[ $lag -lt 10 ]]; then
+    echo "WARNING - $output"
+    exit $STATE_WARNING
+  else
+    echo "CRITICAL - $output"
+    exit $STATE_CRITICAL
+  fi
+fi