Ansible : Use Playbook (notify)2024/07/31 |
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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 that [sshd] is restarted after editing [sshd_config]. |
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ubuntu@dlp:~$
vi playbook_sample.yml
- hosts: target_servers
become: yes
become_method: sudo
handlers:
- name: restart sshd
service: name=ssh state=restarted
tasks:
- lineinfile:
path: /etc/ssh/sshd_config
regexp: '^PermitRootLogin'
line: 'PermitRootLogin no'
notify: restart sshd
tags: Edit_sshd_config
ansible-playbook playbook_sample.yml --ask-become-pass BECOME password: PLAY [target_servers] ********************************************************** TASK [Gathering Facts] ********************************************************* ok: [10.0.0.52] ok: [10.0.0.51] TASK [lineinfile] ************************************************************** changed: [10.0.0.52] changed: [10.0.0.51] RUNNING HANDLER [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 skipped=0 rescued=0 ignored=0 10.0.0.52 : ok=3 changed=2 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0 # verify ubuntu@dlp:~$ ansible target_servers -m command -a "grep '^PermitRootLogin' /etc/ssh/sshd_config" -b --ask-become-pass BECOME password: 10.0.0.52 | CHANGED | rc=0 >> PermitRootLogin no 10.0.0.51 | CHANGED | rc=0 >> PermitRootLogin no |
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