Add kvm role

kvm/files/munin-plugins

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+[kvm_io]
+user root

kvm/handlers/main.yml

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+---
+- name: restart munin-node
+  service:
+    name: munin-node
+    state: restarted

kvm/tasks/main.yml

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+---
+- include: packages.yml
+
+- name: Mount /usr in rw
+  command: mount -o remount,rw /usr warn=no
+  changed_when: False
+
+- include: munin.yml

kvm/tasks/munin.yml

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+---
+- file:
+    path: '/usr/local/share/munin/plugins/'
+    state: directory
+    mode: 02755
+
+- name: Get Munin plugins
+  get_url:
+    url: "https://raw.githubusercontent.com/munin-monitoring/contrib/master/plugins/virtualization/{{ item }}"
+    dest: '/usr/local/share/munin/plugins/'
+    mode: 0755
+  with_items:
+    - 'kvm_cpu'
+    - 'kvm_io'
+    - 'kvm_mem'
+  notify: restart munin-node
+
+- name: Activate Munin plugins
+  file: 
+    src: "/usr/local/share/munin/plugins/{{ item }}"
+    dest: "/etc/munin/plugins/{{ item }}"
+    state: link
+  with_items:
+    - 'kvm_cpu'
+    - 'kvm_io'
+    - 'kvm_mem'
+  notify: restart munin-node
+
+- name: Copy Munin plugins conf
+  copy:
+    src: files/munin-plugins
+    dest: '/etc/munin/plugin-conf.d/kvm'
+  notify: restart munin-node

kvm/tasks/packages.yml

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+---
+- name: Install dependency
+  apt:
+    name: "{{ item }}"
+  with_items:
+    - libvirt-bin
+    - qemu-kvm
+    - netcat-openbsd
+    - bridge-utils
+    - qemu-utils
+    - virtinst
+    - lvm2