Hi,

I read about ansible-local and ansible, I'm still confused but what I 
understood was:

*ansible-local* - Runs on target machine which is being built by packer 
image, so it needs ansible installed.
*ansible *(remote) - Runs on local machine (where I run packer build) 
targetting the machine which is being built by packer image. Doesn't 
required ansible on target machine.

The second option (remote) seems like the way I'm already working, running 
playbooks on my local workspace targetting machines through ansible hosts.

I'm struggling to understand what I'm doing wrong with packer. I have a 
*packer.json* to configure the resolv.conf for example:

{
  "variables": {
    "service_account_json": "../shared/account.json",
    "repo_path" : "{{env `REPO_PATH`}}",
    "project_id": "{{env `PROJECT_ID`}}"
  },

"builders": [ 
        {
           "type": "googlecompute",
           "project_id": "{{user `project_id`}}",
           "machine_type": "n1-standard-1",
           "source_image": "centos-7-v20180911",
           "region": "us-east1",
           "zone": "us-east1-b",
           "image_description": "Image based on CentOS7 image to have the 
resolv.conf configured, the yum repo configured and yum.conf configured",
           "image_name": "devopsdefault2",
           "disk_size": 10,
           "ssh_username": "fabiosakiyama",
           "account_file": "{{ user `service_account_json`}}"
        }
     ],

"provisioners": [
          {
            "type": "ansible",
            "extra_arguments": [ "-vvvv" ],
            "ansible_env_vars": [ 
                 "ANSIBLE_ROLES_PATH=../ansible/roles/:$ANSIBLE_ROLES_PATH"
                ],
            "playbook_file": 
"../ansible/playbooks/configure-centos-base-image.yml"
          }
     ] 
}


It calls a playbook:

---
- hosts: localhost
  become: yes
  roles:
    - centos-base-conf


that calls a role:

---
# tasks file for centos-base-conf
- name: calls configure-resolv-conf 
  import_tasks: configure-resolv-conf.yaml

- name: calls configure-yum-repo
  import_tasks: configure-yum-repo.yaml

- name: calls configure-yum-conf
  import_tasks:  configure-yum-conf.yaml


and one of the tasks is to config the resolv.conf:

- name: replace resolv.conf
  copy:
    src: resolv.conf
    dest: /etc/resolv.conf
    owner: root
    group: root
    mode: u=rw,g=r,o=r


(the resolv.conf is inside the role file folder).

I expect that the image will be created with my customized resolv.conf, but 
instead, my local workspace is being affected.

What I'm missing here?

Thanks in advance.



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