Add check_memory

playbooks/icinga2.yml

@@ -14,6 +14,7 @@
           - monitoring-plugins-common
           - monitoring-plugins-standard
           - monitoring-plugins-systemd
+          - monitoring-plugins-contrib
         state: present
 
 - name: Setup Icinga2 master

roles/icinga2_master/templates/zones.d/global-templates/commands.conf.j2

@@ -10,3 +10,48 @@ object CheckCommand "check_systemd" {
     import "systemd"
     command = [ PluginDir + "/check_systemd" ]
 }
+
+object CheckCommand "memory" {
+    command = [ PluginDir + "/check_memory" ]
+    arguments = {
+        "-a" = {
+            set_if = "$memory_available$"
+            description = "Display the free/available memory"
+        }
+        "-b" = {
+            set_if = "$memory_output_b$"
+            description = "Show output in bytes"
+        }
+        "-k" = {
+            set_if = "$memory_output_k$"
+            description = "Show output in KB (the default)"
+        }
+        "-m" = {
+            set_if = "$memory_output_m$"
+            description = "Show output in MB"
+        }
+        "-g" = {
+            set_if = "$memory_output_g$"
+            description = "Show output in GB"
+        }
+        "-s" = {
+            set_if = "$memory_vmstats$"
+            description = "Display the virtual memory perfdata"
+        }
+        "-w" = {
+            value = "$memory_warn$"
+            description = "Warning threshold"
+        }
+        "-c" = {
+            value = "$memory_crit$"
+            description = "Critical threshold"
+        }
+    }
+
+    vars.memory_available = false
+    vars.memory_output_b = false
+    vars.memory_output_k = true
+    vars.memory_output_m = false
+    vars.memory_output_g = false
+    vars.memory_vmstats = false
+}

roles/icinga2_master/templates/zones.d/master/services/common.conf.j2

@@ -52,6 +52,15 @@ apply Service "load" {
     assign where true
 }
 
+apply Service "memory" {
+    import "generic-service"
+    check_command = "memory"
+    vars.memory_warn = "80%"
+    vars.memory_crit = "90%"
+    command_endpoint = host.name
+    assign where true
+}
+
 apply Service "procs" {
     import "generic-service"
     check_command = "procs"