update monitor systemd services template

Author: Vonng

roles/monitor/tasks/install.yml

@@ -37,8 +37,8 @@
   when: exporter_install == 'binary'
   block:
     - name: Copy node_exporter binary
-      copy: src=node_exporter dest=/usr/bin/node_exporter
+      copy: src=node_exporter dest=/usr/bin/node_exporter owner=root mode=0755
 
     - name: Copy pg_exporter binary
-      copy: src=pg_exporter dest=/usr/bin/pg_exporter
+      copy: src=pg_exporter dest=/usr/bin/pg_exporter owner=root mode=0755
 ...

roles/monitor/templates/node_exporter.service.j2

@@ -12,7 +12,7 @@ Restart=on-failure
 RestartSec=5s
 
 CPUQuota=30%
-#MemoryMax=200M
+MemoryLimit=200M
 
 [Install]
 WantedBy=multi-user.target

roles/monitor/templates/pg_exporter.service.j2

@@ -12,7 +12,7 @@ Restart=on-failure
 RestartSec=5s
 
 CPUQuota=10%
-MemoryMax=200M
+MemoryLimit=200M
 
 [Install]
 WantedBy=multi-user.target

roles/monitor/templates/pgbouncer_exporter.service.j2

@@ -12,7 +12,7 @@ Restart=on-failure
 RestartSec=5s
 
 CPUQuota=10%
-MemoryMax=100M
+MemoryLimit=100M
 
 [Install]
 WantedBy=multi-user.target

roles/monitor/templates/svc-node-exporter.json.j2

@@ -11,8 +11,8 @@
       "type": "exporter",
       "role": "{{ pg_role }}",
       "seq": "{{ pg_seq }}",
-      "instance": "{{ pg_instance }}",
-      "service": "{{ pg_service }}",
+      "instance": "{{ pg_cluster }}-{{ pg_seq }}",
+      "service": "{{ pg_cluster }}-{{ pg_role }}",
       "cluster": "{{ pg_cluster }}"
     },
     "check": {

roles/monitor/templates/svc-pg-exporter.json.j2

@@ -11,8 +11,8 @@
       "type": "exporter",
       "role": "{{ pg_role }}",
       "seq": "{{ pg_seq }}",
-      "instance": "{{ pg_instance }}",
-      "service": "{{ pg_service }}",
+      "instance": "{{ pg_cluster }}-{{ pg_seq }}",
+      "service": "{{ pg_cluster }}-{{ pg_role }}",
       "cluster": "{{ pg_cluster }}"
     },
     "check": {

roles/monitor/templates/svc-pgbouncer-exporter.json.j2

@@ -11,8 +11,8 @@
       "type": "exporter",
       "role": "{{ pg_role }}",
       "seq": "{{ pg_seq }}",
-      "instance": "{{ pg_instance }}",
-      "service": "{{ pg_service }}",
+      "instance": "{{ pg_cluster }}-{{ pg_seq }}",
+      "service": "{{ pg_cluster }}-{{ pg_role }}",
       "cluster": "{{ pg_cluster }}"
     },
     "check": {