[번역] 미리 알았으면 좋을 Ansible 테크닉들

PLAY [Your play name] **************************************************************************************** Perform task: TASK: Your task name (N)o/(y)es/(c)ontinue:

# playbook 파일에 다음의 play를 추가합니다. - name: dump all hosts: all tasks: - name: Print some debug information vars: msg: | Module Variables ("vars"): -------------------------------- {{ vars | to_nice_json }} ================================ Environment Variables ("environment"): -------------------------------- {{ environment | to_nice_json }} ================================ Group Variables ("groups"): -------------------------------- {{ groups | to_nice_json }} ================================ Host Variables ("hostvars"): -------------------------------- {{ hostvars | to_nice_json }} ================================ debug: msg: "{{ msg.split('\n') }}"tags: debug_info

roles/rolename/tasks/main.yml:8: risky-file-permissions File permissions unset or incorrect

$ ansible-console -i hosts.yml Welcome to the ansible console. Type help or ? to list commands. imiell@all (1)[f:5]$

Documented commands (type help <topic>): ======================================== EOF dpkg_selections include_vars setup add_host exit iptables shell apt expect known_hosts slurp apt_key fail lineinfile stat apt_repository fetch list subversion assemble file meta systemd assert find package sysvinit async_status forks package_facts tempfile async_wrapper gather_facts pause template become get_url ping timeout become_method getent pip unarchive become_user git raw uri blockinfile group reboot user cd group_by remote_user validate_argument_spec check help replace verbosity command hostname rpm_key wait_for copy import_playbook script wait_for_connection cron import_role serial yum debconf import_tasks service yum_repository debug include service_facts diff include_role set_fact dnf include_tasks set_stats

imiell@all (1)[f:5]$ help become_user Given a username, set the user that plays are run by when using become

imiell@all (1)[f:5]$ help shell Execute shell commands on targets Parameters: creates A filename, when it already exists, this step will B(not) be run. executable Change the shell used to execute the command. chdir Change into this directory before running the command. cmd The command to run followed by optional arguments. removes A filename, when it does not exist, this step will B(not) be run. warn Whether to enable task warnings. free_form The shell module takes a free form command to run, as a string. stdin_add_newline Whether to append a newline to stdin data. stdin Set the stdin of the command directly to the specified value.

imiell@basquiat (1)[f:5]$ shell touch /tmp/asd creates=/tmp/asd basquiat | CHANGED | rc=0 >> imiell@basquiat (1)[f:5]$ shell touch /tmp/asd creates=/tmp/asd basquiat | SUCCESS | rc=0 >> skipped, since /tmp/asd exists

# basquiat이라는 호스트에만 실행하도록 변경 imiell@all (4)[f:5]$ cd basquiat imiell@basquiat (1)[f:5]$ command hostname basquiat | CHANGED | rc=0 >> basquiat

# echo는 ansible-console의 help에서 조회된 명령어가 아니라서 호스트에서 echo 명령어를 실행한다고 인식 imiell@basquiat (1)[f:5]$ echo blah basquiat | CHANGED | rc=0 >> blah

imiell@basquiat (1)[f:5]$ expect <TAB><TAB> chdir= command= creates= echo= removes= responses= timeout= imiell@basquiat (1)[f:5]$ expect

- hosts: all debugger: on_failed gather_facts: no tasks: # 테스트를 위해서 강제로 실패하는 fail 태스크 사용 - fail:

# ansible-playbook을 실행하여 디버그 모드로 진입 $ ansible-playbook playbook.yml PLAY [all] *************************** TASK [fail] ************************** Friday 27 August 2021 12:16:24 +0100 (0:00:00.282) 0:00:00.282 ********* fatal: [Ians-Air.home]: FAILED! => {"changed": false, "msg": "Failed as requested from task"} [Ians-Air.home] help EOF c continue h help p pprint q quit r redo u update_task

[Ians-Air.home] TASK: wrong variable (debug)> dir() ['host', 'play_context', 'result', 'task', 'task_vars']

[Ians-Air.home] TASK: wrong variable (debug)> p dir(task) ['DEPRECATED_ATTRIBUTES', '__class__', '__delattr__', '__dict__', '__doc__', [...] 'tags', 'throttle', 'untagged', 'until', 'validate', 'vars', 'when']