ansible-playbook useful but not major command line options.

1. !
知ってると便利なオプション
ansible-playbook useful options
若山史郎 (WAKAYAMA Shirou)
ツキノワ株式会社 / Tsukinowa Inc.

2. おまえだれよ？ / Who are you?
• 若山 史郎(@r_rudi) / ツキノワ株式会社
• golang, python, iOS, Android
Web app, MQTT, Ansible
• Author of 「入門Ansible」
• in the Amazon Japan

3. —verbose (-v)
• Increase verbose level
• -v, -vv, -vvv, -vvvv, -vvvvv(v*5), -vvvvvv(v*6)
• v*6 is only in winrm (currently)
• vvv, vvvv shows ssh connection
• Many ansible trouble is related to ssh.
Try -vvvv first!

4. —list-hosts, —list-tasks, --list-tags
• —list-tasks
!
!
• —list-tags (1.9-)

5. Tips: where can we put tags?
Tag for play
Multiple tags
Name for play
Include
Role

6. Tips: special tags (1.9-)
• always
• always run
• tagged
• untagged
• can be specified with -t

7. --syntax-check
• Very helpful error message
• Useful for CI (like jenkins or CircleCI)

8. --start-at-task
• “Task failed. I wanna restart from HERE!!! “
• —start-at-task=“<taskname>”

9. -e @vars.json
• -e set additional variables from command
line
• -e "version=1.23.45 other_variable=foo"
• @vars.json or @vars.yml
• load variables from specified JSON/YAML