add binary install tags to monitor

Author: Vonng

roles/monitor/tasks/node_exporter.yml

@@ -6,6 +6,7 @@
   tags: node_exporter
   block:
     - name: Copy node_exporter binary
+      tags: node_exporter_binary
       when: exporter_binary_install
       copy: src=node_exporter dest=/usr/bin/node_exporter
 

roles/monitor/tasks/pg_exporter.yml

@@ -15,6 +15,7 @@
       template: src=pg_exporter.j2 dest=/etc/default/pg_exporter owner=postgres group=postgres mode=0600
 
     - name: Copy pg_exporter binary
+      tags: pg_exporter_binary
       when: exporter_binary_install
       copy: src=pg_exporter dest=/usr/bin/pg_exporter