How to structure variables to distinguish different environments

[Xinhuan Zheng]

Hello,

I want to define a variable for playbook in group_vars/server_genre file. However, I don't know if Ansible can support something like server_genre@environment syntax notation. Here is the detail:

In inventory/environment:

---

[server_genre]

myserver1.example.com

In group_vars/server_genre:

---

nfs_server: mynfsserver1.example.com

In server_genre.yml playbook:

---

- name: Playbook for server_genre

  hosts: server_genre

  gather_facts: yes

  tasks:

  - name: Install Nfs client

    package:

      name: nfs-utils

      state: present

  - name: mount nfs

    mount:

      path: /mymount

      src: "{{ nfs_server }}"

      fstype: nfs

      opts: ro

      state: mounted

In a different environment, the variable {{ nfs_server }} will have different value, however, I can't separate the different values using one single group_var/server_genre file, unless Ansible supports something like group_vars/server_genre@enviornment.

How do I accomplish the variable value distinction in my case?

Thanks,

- Xinhuan

[Srinivas Naram]

There could be some distinction between both the environments. Can you use gather_facts and get the differentiating value ?

if you are able to get it using gather_facts, you can use set_facts

Example

set_facts:

   nfs_server: xyx

when: ansible_distribution= 'CentOS'

set_fact:

   nfs_server: abc

when: ansible_distribution ='Ubuntu'

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[Xinhuan Zheng]

Hello,

That construct actually makes sense to me. The fact of Development vs. Production is controlled by their network. We can just create custom fact based on each host IP address, and return customer fact variable. Then we can set nfs_server per that custom fact.

Thanks for showing this tip.

- Xinhuan

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