Zabbix: Move DNS checks from Nagios

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

roles/dns/files/zabbix/template.yml

@@ -0,0 +1,55 @@
+zabbix_export:
+  version: '7.0'
+  template_groups:
+    - uuid: a333cbd6a3ad44baaa4eee4b0c0b1bec
+      name: Fedora
+  templates:
+    - uuid: 469d49d18d9f4da28aaf775b50084b08
+      template: 'DNS checks'
+      name: 'DNS checks'
+      groups:
+        - name: Fedora
+      items:
+        - uuid: 681147b6755a453ab5e26e2ad8ad2402
+          name: 'DNS performance for fedoraproject.org'
+          type: ZABBIX_ACTIVE
+          key: 'net.dns.perf[,fedoraproject.org,A]'
+          value_type: FLOAT
+          trends: '0'
+          units: ms
+          preprocessing:
+            - type: MULTIPLIER
+              parameters:
+                - '1000'
+          tags:
+            - tag: component
+              value: dns
+          triggers:
+            - uuid: c5721fb738374074a26810e8e75b260d
+              expression: 'avg(/DNS checks/net.dns.perf[,fedoraproject.org,A],#3)>1000'
+              name: 'DNS performance for fedoraproject.org is more than 1s'
+              priority: AVERAGE
+              tags:
+                - tag: scope
+                  value: performance
+        - uuid: e189ee7aee2c451586573a1d03207a98
+          name: 'DNS query for fedoraproject.org'
+          type: ZABBIX_ACTIVE
+          key: 'net.dns.record[,fedoraproject.org,A]'
+          value_type: CHAR
+          trends: '0'
+          tags:
+            - tag: component
+              value: dns
+          triggers:
+            - uuid: 225808c08f0a480a948d68ef43fe2d10
+              expression: 'find(/DNS checks/net.dns.record[,fedoraproject.org,A],,"like","fedoraproject.org A")=0'
+              name: 'DNS query for fedoraproject.org is incorrect'
+              priority: HIGH
+              description: |
+                https://www.zabbix.com/documentation/7.0/en/manual/appendix/functions/history#find
+                
+                returns 0 if string not found, so we test for 0. look for fedoraproject.org because some are internal (10.x) records and some are external (38.x) records
+              tags:
+                - tag: scope
+                  value: availability

roles/dns/tasks/main.yml

@@ -122,3 +122,30 @@
   service: name=named state=started enabled=yes
   tags:
   - dns
+
+- 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
+    - zabbix_agent
+    - dns
+  block:
+    - name: Import DNS Zabbix template file
+      community.zabbix.zabbix_template:
+        template_yaml: "{{ lookup('file', 'zabbix/template.yml') }}"
+        state: present
+      run_once: true
+
+    - name: Add self to DNS template in Zabbix
+      community.zabbix.zabbix_host:
+        host_name: "{{ inventory_hostname }}"
+        link_templates: DNS checks
+        force: false

roles/nagios_server/files/nagios/services/dns.cfg

@@ -1,6 +0,0 @@
-define service {
-  hostgroup_name        dns
-  service_description   DNS: fp.o
-  check_command         check_dns_fpo
-  use                   criticaltemplate
-}

roles/nagios_server/tasks/main.yml

@@ -221,7 +221,6 @@
   ansible.builtin.copy: src=nagios/services/{{ item }} dest=/etc/nagios/services/{{ item }}
   with_items:
     - copr.cfg
-    - dns.cfg
     - memcached.cfg
     - nagios.cfg
     - pagure_redis.cfg
@@ -243,7 +242,6 @@
 - name: Copy /etc/nagios/services (External)
   ansible.builtin.copy: src=nagios/services/{{ item }} dest=/etc/nagios/services/{{ item }}
   with_items:
-    - dns.cfg
     - smtp-mm.cfg
     - templates.cfg
     - ping-ipv6.cfg