Zabbix/Rsyslogd: New template & hostgroup for rsyslogd processes

Also some minor fixes for the postfix templates

Signed-off-by: Greg Sutcliffe <fedora@emeraldreverie.org>

roles/base/files/postfix/zabbix-template.yml

@@ -26,6 +26,9 @@ zabbix_export:
               event_name: 'Postfix: potential stuck mails in mailq (2 mails in queue)'
               opdata: '{ITEM.LASTVALUE1} mails queued'
               priority: WARNING
+              dependencies:
+                - name: 'Postfix: potential stuck mails in mailq'
+                  expression: 'last(/Postfix Mail Queue/postfix.queue)>=5'
               tags:
                 - tag: postfix
                   value: problem
@@ -35,6 +38,9 @@ zabbix_export:
               event_name: 'Postfix: potential stuck mails in mailq (5 mails in queue)'
               opdata: '{ITEM.LASTVALUE1} mails queued'
               priority: AVERAGE
+              dependencies:
+                - name: 'Postfix: stuck mails in mailq'
+                  expression: 'last(/Postfix Mail Queue/postfix.queue)>=10'
               tags:
                 - tag: postfix
                   value: problem

roles/base/files/rsyslog/zabbix-template.yml

@@ -0,0 +1,32 @@
+zabbix_export:
+  version: '7.0'
+  template_groups:
+    - uuid: 372f19ba622745aaa43b4fa0b5168262
+      name: Fedora
+  templates:
+    - uuid: cb1afd4cd71f49beae04347d027ff07b
+      template: 'Rsyslogd Processes'
+      name: 'Rsyslogd Processes'
+      groups:
+        - name: Fedora
+      items:
+        - uuid: 77b90f572e144092abbd08e29fb65dbb
+          name: 'Rsyslogd processes'
+          type: ZABBIX_ACTIVE
+          key: 'proc.num[,,,.*rsyslogd.*]'
+          triggers:
+            - uuid: 438b237bba7c42bab565b352c5fe26a2
+              expression: 'last(/Rsyslogd Processes/proc.num[,,,.*rsyslogd.*])=0'
+              name: 'Rsyslogd: no processes running'
+              opdata: '{ITEM.LASTVALUE1} processes'
+              priority: HIGH
+              tags:
+                - tag: rsyslogd
+                  value: down
+            - uuid: 375b16d0994d45acb22cb47e97d90fac
+              expression: 'last(/Rsyslogd Processes/proc.num[,,,.*rsyslogd.*])>2'
+              name: 'Rsyslogd: too many processes'
+              opdata: '{ITEM.LASTVALUE1} processes'
+              priority: HIGH
+      tags:
+        - tag: rsyslogd

roles/base/tasks/main.yml

@@ -510,6 +510,12 @@
   - config
   - rsyslog-audit
 
+- name: Configure Rsyslogd monitoring in Zabbix
+  ansible.builtin.include_tasks: rsyslogd-monitoring.yml
+  tags:
+    - rsyslogd
+    - zabbix_api
+
 # Custom selinux policy to allow unix_chkpwd to map PAM database
 - name: Copy over our custom selinux module
   ansible.builtin.copy: src=selinux/mapchkpwd.pp dest=/usr/local/share/mapchkpwd.pp

roles/base/tasks/postfix-monitoring.yml

@@ -59,7 +59,7 @@
     - postfix
     - zabbix_agent
 
-- name: API Block
+- name: Zabbix API Block
   vars:
     ansible_zabbix_auth_key: "{{ zabbix_auth_key }}"
     ansible_network_os: "{{ zabbix_network_os }}"
@@ -73,16 +73,16 @@
     - zabbix_api
     - zabbix_agent
   block:
-    - name: Import template file
+    - name: Import Postfix Zabbix template file
       community.zabbix.zabbix_template:
         template_yaml: "{{ lookup('file', 'postfix/zabbix-template.yml') }}"
         state: present
-    - name: Ensure hostgroup is present
+    - name: Ensure Postfix Zabbix hostgroup is present
       community.zabbix.zabbix_group:
         host_groups:
           - Postfix servers
         state: present
-    - name: Update hostgroup for self in Zabbix
+    - name: Add self to Postfix in Zabbix
       community.zabbix.zabbix_host:
         host_name: "{{ inventory_hostname }}"
         host_groups: Postfix servers

roles/base/tasks/postfix.yml

@@ -115,4 +115,3 @@
     - postfix
     - zabbix_agent
     - zabbix_api
-    - test

roles/base/tasks/rsyslogd-monitoring.yml

@@ -0,0 +1,28 @@
+- name: Zabbix API Block
+  vars:
+    ansible_zabbix_auth_key: "{{ zabbix_auth_key }}"
+    ansible_network_os: "{{ zabbix_network_os }}"
+    ansible_connection: "{{ zabbix_connection }}"
+    ansible_httpapi_port: "{{ zabbix_httpapi_port }}"
+    ansible_httpapi_use_ssl: "{{ zabbix_httpapi_use_ssl }}"
+    ansible_httpapi_validate_certs: "{{ zabbix_httpapi_validate_certs }}"
+    ansible_host: "{{ zabbix_server }}"
+    ansible_zabbix_url_path: "{{ zabbix_url_path }}"
+  tags:
+    - zabbix_api
+  block:
+    - name: Import Rsyslogd template file
+      community.zabbix.zabbix_template:
+        template_yaml: "{{ lookup('file', 'rsyslogd/zabbix-template.yml') }}"
+        state: present
+    - name: Ensure Rsyslogd hostgroup is present
+      community.zabbix.zabbix_group:
+        host_groups:
+          - Rsyslogd servers
+        state: present
+    - name: Add self to Rsyslogd in Zabbix
+      community.zabbix.zabbix_host:
+        host_name: "{{ inventory_hostname }}"
+        host_groups: Rsyslogd servers
+        link_templates: Rsyslogd Processes
+        force: false