added triggers for disk space

roles/os_zabbix/vars/template_os_linux.yml

@@ -156,3 +156,20 @@ g_template_os_linux:
     applications:
     - Disk
     value_type: float
+
+  ztriggers:
+  - description: 'Filesystem: / has less than 10% free on {HOST.NAME}'
+    expression: '{Template OS Linux:filesys.full.xvda2.last()}>90'
+    priority: warn
+
+  - description: 'Filesystem: / has less than 5% free on {HOST.NAME}'
+    expression: '{Template OS Linux:filesys.full.xvda2.last()}>95'
+    priority: high
+
+  - description: 'Filesystem: /var has less than 10% free on {HOST.NAME}'
+    expression: '{Template OS Linux:filesys.full.xvda3.last()}>90'
+    priority: warn
+
+  - description: 'Filesystem: /var has less than 5% free on {HOST.NAME}'
+    expression: '{Template OS Linux:filesys.full.xvda3.last()}>95'
+    priority: high