automation/ansible/playbooks/snapshot-rootnode.yml

   1 ---
   2 # To run this play: ansible-playbook playbooks/snapshot-rootnode.yml -l node_standalone
   3 - name: Initialize cross play variables
   4   hosts: node_standalone
   5   vars:
   6     - job_wait_to_end: true
   7     - job_abort: false
   8     # Set to false when taking the first snapshot of a new rootnode
   9     - revert_before: true
  10     - snapshot_name: 'base-configuration'
  11     - wait_for_changes: true
  12   tasks:
  13     - ansible.builtin.set_fact:
  14         job_wait_to_end: "{{job_wait_to_end}}"
  15         job_abort: "{{job_abort}}"
  16         revert_before: "{{revert_before}}"
  17         snapshot_name: "{{snapshot_name}}"
  18         target_rootnode: "{{inventory_hostname}}"
  19         wait_for_changes: "{{wait_for_changes}}"
  20
  21 - name: Shutdown and revert
  22   hosts: node_standalone
  23   tasks:
  24     - name: "Find {{target_rootnode}}'s host"
  25       ansible.builtin.command:
  26         argv: "{{command_args|list}}"
  27       register: get_hypervisor
  28       vars:
  29         command_args:
  30           - '../scripts/manage_jenkins_node.py'
  31           - 'get_hypervisor'
  32           - "{{target_rootnode}}"
  33       delegate_to: localhost
  34     - ansible.builtin.set_fact:
  35         rootnode_host: "{{get_hypervisor.stdout|trim}}"
  36     - name: Disable {{target_rootnode}} in Jenkins
  37       ansible.builtin.command:
  38         argv: "{{command_args | reject('equalto', '') | list}}"
  39       vars:
  40         command_args:
  41           - '../scripts/manage_jenkins_node.py'
  42           - 'disable'
  43           - '--wait'
  44           - "{{ 0 if job_wait_to_end else -1}}"
  45           - "{{target_rootnode}}"
  46           - "{{'--force-abort' if job_abort else ''}}"
  47           - '--reason'
  48           - 'Ansible play: snapshot rootnode'
  49       delegate_to: localhost
  50     - name: Revert target rootnode
  51       when: revert_before
  52       ansible.builtin.command:
  53         argv: ['virsh', 'snapshot-revert', "{{target_rootnode}}", '--snapshotname', "{{snapshot_name}}", '--running']
  54       delegate_to: "{{rootnode_host}}"
  55     - name: Wait for target rootnode to come back online
  56       local_action: wait_for host={{ target_rootnode }}
  57                     port=22
  58                     delay=1
  59                     timeout=300
  60                     state=started
  61
  62 # If the playbook isn't run with `-l node_standalone` or `-l ci-rootnode...`, then
  63 # this play errors out trying to find variables for the ci-hosts even if the condition
  64 # `inventory_hostname in groups.node_standalone` is false.
  65 - name: Run site.yml
  66   import_playbook: '../site.yml'
  67   when: inventory_hostname in groups.node_standalone
  68
  69 - name: Cleanup and snapshot
  70   hosts: node_standalone
  71   tasks:
  72     - ansible.builtin.debug:
  73         msg: "Example playbook command: `ansible-playbook site.yml -l {{target_rootnode}}`"
  74       when: wait_for_changes
  75       delegate_to: localhost
  76     - ansible.builtin.pause:
  77         prompt: "Run any playbooks or make other changes against {{target_rootnode}} then hit enter when ready to continue (Ctrl-C to abort)"
  78       when: wait_for_changes
  79       delegate_to: localhost
  80     - name: Remove the jenkins workspace
  81       ansible.builtin.file:
  82         path: "{{item}}"
  83         state: absent
  84       with_items:
  85         - /root/workspace
  86         - /home/jenkins/workspace
  87     - name: Stop the VM
  88       ansible.builtin.command:
  89         argv: ['virsh', 'destroy', "{{target_rootnode}}"]
  90       delegate_to: "{{rootnode_host}}"
  91     - name: Check for existing base snapshot
  92       ansible.builtin.shell:
  93         cmd: "virsh snapshot-list '{{target_rootnode}}' --name | grep -E '^{{snapshot_name}}$'"
  94       ignore_errors: true
  95       register: existing_snapshot
  96       delegate_to: "{{rootnode_host}}"
  97     - name: Remove existing base snapshot
  98       when: existing_snapshot.rc == 0
  99       ansible.builtin.command:
 100         argv: ['virsh', 'snapshot-delete', '--snapshotname', "{{snapshot_name}}", "{{target_rootnode}}"]
 101       delegate_to: "{{rootnode_host}}"
 102     - name: Snapshot
 103       ansible.builtin.command:
 104         argv: ['virsh', 'snapshot-create-as', '--name', "{{snapshot_name}}", "{{target_rootnode}}"]
 105       delegate_to: "{{rootnode_host}}"
 106     - name: Start the vm
 107       ansible.builtin.command:
 108         argv: ['virsh', 'start', "{{target_rootnode}}"]
 109       delegate_to: "{{rootnode_host}}"
 110     - name: Enable {{target_rootnode}} in Jenkins
 111       ansible.builtin.command:
 112         argv: "{{command_args | list}}"
 113       vars:
 114         command_args:
 115           - '../scripts/manage_jenkins_node.py'
 116           - 'enable'
 117           - "{{target_rootnode}}"
 118       delegate_to: localhost