Ansible : Use Playbook#42015/07/15 |
To use "notify", "handlers", it's possible to execute a task which is defined in "handlers" after a task completed which has "notify" method.
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[1] | For example, create a Playbook which sshd is restarted after editing sshd_config. |
[cent@dlp ~]$
vi playbook_sample.yml - hosts: target_servers become: yes become_method: sudo handlers: - name: restart sshd service: name=sshd state=restarted tasks: - name: edit sshd_config lineinfile: > dest=/etc/ssh/sshd_config regexp="{{ item.regexp }}" line="{{ item.line }}" with_items: - { regexp: '^#PermitRootLogin', line: 'PermitRootLogin no' } notify: restart sshd tags: Edit_sshd_config ansible-playbook playbook_sample.yml --ask-become-pass SUDO password: PLAY [target_servers] * ** ** ** ** ** ** ** ** ** ** ** ** ** GATHERING FACTS * ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ok: [10.0.0.51] ok: [10.0.0.52] TASK: [edit sshd_config] * ** ** ** ** ** ** ** ** ** ** ** ** changed: [10.0.0.52] => (item={'regexp': '^#PermitRootLogin', 'line': 'PermitRootLogin no'}) changed: [10.0.0.51] => (item={'regexp': '^#PermitRootLogin', 'line': 'PermitRootLogin no'}) NOTIFIED: [restart sshd] * ** ** ** ** ** ** ** ** ** ** ** ** changed: [10.0.0.51] changed: [10.0.0.52] PLAY RECAP * ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** 10.0.0.51 : ok=3 changed=2 unreachable=0 failed=0 10.0.0.52 : ok=3 changed=2 unreachable=0 failed=0 # confirm [cent@dlp ~]$ ansible target_servers -m command -a "grep '^PermitRootLogin' /etc/ssh/sshd_config" -b --ask-become-pass SUDO password: 10.0.0.51 | success | rc=0 >> PermitRootLogin no 10.0.0.52 | success | rc=0 >> PermitRootLogin no |
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