Basic AMQP monitoring for fedmsg-hub/mbs

Signed-off-by: Fabian Arrotin <arrfab@centos.org>

defaults/main.yml

@@ -153,3 +153,10 @@ mbs_frontend_krb_keytab: localhost.keytab
 mbs_frontend_krb_host: 'localhost'
 mbs_frontend_ldap_uri: ''
 mbs_frontend_ldap_dn_groups: ''
+
+
+# Zabbix monitoring additional groups and templates specific to mbs
+# Worth knowing that because we import other roles, it has already some attached templates like http server, and also one for tls monitoring, so just adding mbs features in new template
+mbs_zabbix_templates:
+  - Template CentOS MBS
+mbs_zabbix_groups: []  

files/zabbix/zabbix-mbs-amqp-status.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+# Called by Zabbix to check if we have error message in fedmsg-hub about ubm/amqp connection error
+
+PATH=$PATH:/usr/local/bin:/sbin:/usr/sbin/
+
+
+journalctl --no-pager --since="1 hour ago" -u fedmsg-hub |grep -E 'twisted.internet.error.ConnectionLost|twisted.internet.error.ConnectionRefusedError|twisted.internet.error.TimeoutError'
+
+zabbix_sender -c /etc/zabbix/zabbix_agentd.conf -k amqp.connection.status -o "$?" 2>&1 >/dev/null
+

tasks/main.yml

@@ -25,3 +25,8 @@
     - pki
     - tls
     - certs
+
+- include_tasks: monitoring.yml
+  tags:
+    - monitoring
+    

tasks/monitoring.yml

@@ -0,0 +1,33 @@
+- block:
+    - name: Configuring agent in Zabbix server
+      include_role:
+        name: zabbix-server
+        tasks_from: agent_config
+      vars:
+        zabbix_templates: "{{ mbs_zabbix_templates }}"
+        zabbix_groups: "{{ mbs_zabbix_groups }}"
+  delegate_to: "{{ zabbix_api_srv }}"  
+  tags:
+    - monitoring
+  when: zabbix_api_srv is defined
+
+- block:
+    - name: Importing MBS zabbix scripts
+      copy:
+        src: "zabbix/{{ item }}"
+        dest: "/usr/lib/zabbix/{{ item }}"
+        owner: root
+        mode: '0755'
+      with_items:
+        - zabbix-mbs-amqp-status.sh
+    - name: Zabbix cron jobs for mbs
+      cron:
+        name: "MBS zabbix job {{ item }}"
+        job: "/usr/lib/zabbix/{{ item }}"
+        hour: '*'
+        minute: '0'
+      with_items:
+        - zabbix-mbs-amqp-status.sh
+
+  tags:
+    - monitoring