Set remote environment per task or play - Ansible environment statement
How to set an EXAMPLE environmental variable at play and task Ansible Playbook code level and verify with echo Linux command.
February 21, 2022
How to set remote environment per Ansible task or play?
I’m going to show you a live demo with some simple Ansible code. I’m Luca Berton and welcome to today’s episode of Ansible Pilot.
Set remote environment per Ansible task or play
environmentstatement
You could set the remote environment with the Ansible statement environment.
The environment statement could be applied at the task level or play level.
It’s very useful to set for example proxy in a corporate environment.
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demo
Set environment per Ansible Playbook task or play level.
code
---
- name: remote environment demo
hosts: all
gather_facts: false
environment:
EXAMPLE: test1
tasks:
- name: diplay EXAMPLE
ansible.builtin.command: "echo $EXAMPLE"
- name: diplay EXAMPLE
ansible.builtin.command: "echo $EXAMPLE"
environment:
EXAMPLE: test2
execution
You need to run the playbook with the verbose option (-v) in order to see the standard output on the console.
ansible-pilot $ ansible-playbook -i virtualmachines/demo/inventory ansible\ statements/environment-remote.yml
PLAY [remote environment demo] ********************************************************************
TASK [diplay EXAMPLE] *****************************************************************************
changed: [demo.example.com]
TASK [diplay EXAMPLE] *****************************************************************************
changed: [demo.example.com]
PLAY RECAP ****************************************************************************************
demo.example.com : ok=2 changed=2 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0
ansible-pilot $ ansible-playbook -i virtualmachines/demo/inventory ansible\ statements/environment-remote.yml -v
No config file found; using defaults
PLAY [remote environment demo] ********************************************************************
TASK [diplay EXAMPLE] *****************************************************************************
changed: [demo.example.com] => {"ansible_facts": {"discovered_interpreter_python": "/usr/libexec/platform-python"}, "changed": true, "cmd": ["echo", "$EXAMPLE"], "delta": "0:00:00.002864", "end": "2022-02-21 09:05:33.059864", "msg": "", "rc": 0, "start": "2022-02-21 09:05:33.057000", "stderr": "", "stderr_lines": [], "stdout": "test1", "stdout_lines": ["test1"]}
TASK [diplay EXAMPLE] *****************************************************************************
changed: [demo.example.com] => {"changed": true, "cmd": ["echo", "$EXAMPLE"], "delta": "0:00:00.002800", "end": "2022-02-21 09:05:33.416884", "msg": "", "rc": 0, "start": "2022-02-21 09:05:33.414084", "stderr": "", "stderr_lines": [], "stdout": "test2", "stdout_lines": ["test2"]}
PLAY RECAP ****************************************************************************************
demo.example.com : ok=2 changed=2 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0
ansible-pilot $
idempotency
ansible-pilot $ ansible-playbook -i virtualmachines/demo/inventory ansible\ statements/environment-remote.yml -v
No config file found; using defaults
PLAY [remote environment demo] ********************************************************************
TASK [diplay EXAMPLE] *****************************************************************************
changed: [demo.example.com] => {"ansible_facts": {"discovered_interpreter_python": "/usr/libexec/platform-python"}, "changed": true, "cmd": ["echo", "$EXAMPLE"], "delta": "0:00:00.002864", "end": "2022-02-21 09:05:33.059864", "msg": "", "rc": 0, "start": "2022-02-21 09:05:33.057000", "stderr": "", "stderr_lines": [], "stdout": "test1", "stdout_lines": ["test1"]}
TASK [diplay EXAMPLE] *****************************************************************************
changed: [demo.example.com] => {"changed": true, "cmd": ["echo", "$EXAMPLE"], "delta": "0:00:00.002800", "end": "2022-02-21 09:05:33.416884", "msg": "", "rc": 0, "start": "2022-02-21 09:05:33.414084", "stderr": "", "stderr_lines": [], "stdout": "test2", "stdout_lines": ["test2"]}
PLAY RECAP ****************************************************************************************
demo.example.com : ok=2 changed=2 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0
ansible-pilot $
before execution
ansible-pilot $ ssh [email protected]
Last login: Fri Feb 18 16:07:48 2022 from 192.168.0.59
[devops@demo ~]$ echo $EXAMPLE
[devops@demo ~]$
after execution
ansible-pilot $ ssh [email protected]
Last login: Mon Feb 21 07:05:33 2022 from 192.168.251.111
[devops@demo ~]$ echo $EXAMPLE
Recap
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