Added somewhat generic nod-exporter and cadvisor playbooks.

cadvisor.yml

@@ -0,0 +1,5 @@
+---
+- hosts: all
+  become: True
+  roles:
+     - cadvisor

node-exporter.yml

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+---
+- hosts: all
+  become: True
+  roles:
+     - cadvisor

roles/cadvisor/tasks/main.yml

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+---
+- name: Install service files.
+  template:
+    src: templates/cadvisor.service
+    dest: /etc/systemd/system/cadvisor.service
+    mode: 644
+    owner: root
+    group: root
+  tags:
+      - service-files
+
+- name: install service files
+  command: systemctl daemon-reload
+
+- name: enable service at boot
+  systemd:
+    name: cadvisor
+    enabled: yes
+
+- name: make sure servcies are started.
+  systemd:
+    name: cadvisor.service
+    state: restarted
+  tags:
+      - start-service

roles/cadvisor/templates/cadvisor.service

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+[Unit]
+Description=Prometheus container monitoring.
+After=docker.service
+Requires=docker.service
+
+[Service]
+TimeoutStartSec=0
+Restart=always
+ExecStartPre=-/usr/bin/docker kill %n
+ExecStartPre=-/usr/bin/docker rm %n
+ExecStart=/usr/bin/docker run --name %n \
+    --volume=/:/rootfs:ro \
+    --volume=/var/run:/var/run:rw \
+    --volume=/sys:/sys:ro \
+    --volume=/var/lib/docker/:/var/lib/docker:ro \
+    --volume=/dev/disk/:/dev/disk:ro \
+    --publish=8181:8080 \
+    google/cadvisor:latest
+
+
+[Install]
+WantedBy=multi-user.target