add redis-exporter for maat-redis.

roles/adc_exporter_proxy/templates/nginx.conf.j2

@@ -140,5 +140,9 @@ http {
 	    location /metrics/blade/mcn3/mrapm_stream {
                     proxy_pass   http://192.168.100.4:8902/metrics;
             }
+
+            location /metrics/blade/mcn0/maat_redis {
+                    proxy_pass   http://192.168.100.1:9121/metrics;
+            }
     }
 }

roles/maat-redis/files/maat-redis-exporter.service

@@ -0,0 +1,11 @@
+[Unit]
+Description=Redis Exporter for MAAT-REDIS
+After=network.target
+
+[Service]
+ExecStart=/usr/bin/redis_exporter -redis.addr=redis://localhost:7002 -redis-only-metrics
+Type=simple
+
+[Install]
+WantedBy=multi-user.target
+

roles/maat-redis/tasks/main.yml

@@ -4,6 +4,12 @@
     dest: "/usr/lib/systemd/system"
     mode: 0644
 
+- name: "copy maat-redis exporter file to dest"
+  copy:
+    src: "{{ role_path }}/files/maat-redis-exporter.service"
+    dest: "/usr/lib/systemd/system"
+    mode: 0644
+
 - name: "Template the maat-redis.conf"
   template:
     src: "{{ role_path }}/templates/maat-redis.conf.j2"
@@ -16,3 +22,10 @@
     state: started
     daemon_reload: yes
     enabled: yes
+
+- name: "start maat-redis exporter"
+  systemd:
+    name: maat-redis-exporter.service
+    state: started
+    daemon_reload: yes
+    enabled: yes

roles/redis/tasks/main.yml

@@ -10,3 +10,9 @@
       - "/tmp/ansible_deploy/jemalloc-3.6.0-1.el7.x86_64.rpm"
       - "/tmp/ansible_deploy/redis40u-4.0.14-1.ius.centos7.x86_64.rpm"
     state: present
+
+- name: "redis exporter"
+  copy:
+    src: '{{ role_path }}/files/'
+    dest: /usr/bin/
+    mode: 0755