[duchess@cody:tmp] cat /etc/ansible/hosts
[juniper]
localhost
[duchess@cody:tmp] cat playbook.yml
---
- name: Execute a show command on a junos device.
hosts: juniper
gather_facts: no
connection: local
tasks:
- name: Define the provider.
set_fact:
hostinfo:
host: "{{ inventory_hostname }}"
password: "{{ password }}"
username: "{{ username }}"
- name: Output the hostname.
debug:
var: hostvars[inventory_hostname]
# I don't have a junos device handy so I can't test this, but. . .
#- name: show command
# junos_command:
# provider: "{{ hostinfo }}"
# commands:
# - show version
# register: version
#- name: Output the version.
# debug:
# var: version
- name: Output the username and password from group_vars/juniper.
debug:
msg: "The username is {{ username }}. The password is '{{ password
}}'."
...
[duchess@cody:tmp] cat group_vars/juniper
---
username: admin
password: This is not a good password.
...
# vim: ft=ansible:
[duchess@cody:tmp] ansible-playbook playbook.yml
PLAY [Execute a show command on a junos device.]
*******************************
TASK [Define the provider.]
****************************************************
ok: [localhost]
TASK [Output the hostname.]
****************************************************
ok: [localhost] => {
"hostvars[inventory_hostname]": {
"ansible_check_mode": false,
"ansible_version": {
"full": "2.1.2.0",
"major": 2,
"minor": 1,
"revision": 2,
"string": "2.1.2.0"
},
"group_names": [
"juniper"
],
"groups": {
"all": [
"localhost"
],
"juniper": [
"localhost"
],
"ungrouped": []
},
"hostinfo": {
"host": "localhost",
"password": "This is not a good password.",
"username": "admin"
},
"inventory_dir": "/etc/ansible",
"inventory_file": "/etc/ansible/hosts",
"inventory_hostname": "localhost",
"inventory_hostname_short": "localhost",
"omit":
"__omit_place_holder__fe3ea0370d6ef7ffad66e4a8a81c05821adcfe79",
"password": "This is not a good password.",
"playbook_dir": "/private/tmp",
"username": "admin"
}
}
TASK [Output the username and password from group_vars/juniper.]
***************
ok: [localhost] => {
"msg": "The username is admin. The password is 'This is not a good
password.'."
}
PLAY RECAP
*********************************************************************
localhost : ok=3 changed=0 unreachable=0 failed=0
I should like to suggest you review the documentation on best practices
<http://docs.ansible.com/ansible/playbooks_best_practices.html>.
You might also consider reviewing the documentation on inventory
<http://docs.ansible.com/ansible/intro_inventory.html> and variables
<http://docs.ansible.com/ansible/playbooks_variables.html#>.
Finally, please give the community guidelines
<http://docs.ansible.com/ansible/community.html> a thorough going over.
I believe you'll find all the answers you're looking for in the resources
provided.
Best of luck!
Alex
On Wednesday, October 19, 2016 at 8:07:24 AM UTC-7, RK wrote:
>
> I have a pretty easy playbook to connect to a Juniper switch and provide
> me the show version output. All works when I place the username and
> password into the playbook no problem. What I would prefer to do is set the
> username and password in group_vars/all and have the username and password
> read from there. Any tips? I can't seem to get this going. I think I may
> need to pass along a hostvars but can't seem to figure it out.
>
> playbook:
>
> - hosts: juniper
> gather_facts: no
> connection: local
>
> tasks:
> - name: DEFINE PROVIDER
> set_fact:
> hostinfo:
> host: "{{ inventory_hostname }}"
> password: xxxxx
> username: admin
> - debug: var=hostvars[inventory_hostname]
> - name: show command
> junos_command:
> provider: "{{ hostinfo }}"
> commands:
> - show version
> register: version
> - debug: msg="{{ version.stdout }}"
>
> group_vars/all
> username=admin
> password=xxxxxx
>
>
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