One way is to create a new file with the host name and the ip address, then
use this to update the hosts file as opposed to updating it in place. You
can use the post_tasks: to run the update at the end of the playbook.
You can do this with sed by creating a sed script file with lines of --
s/hostname/hostname ansible_ssh_host=ipaddress/g. You can use lineinfile -
which will add to the EOF. call it hosts.update
Then you would have a task that would update the hosts file
post_tasks:
- name: update hosts file with ip address
shell: sed -i -f hosts.update hosts
I'm sure there is probably a better way to do this
On Friday, July 24, 2015 at 10:20:14 AM UTC-5, Edgardo Vega wrote:
>
> I have a playbook with is creating vms and then i want to add the ip
> address to the inventory file to when it comes time to provision i can just
> call the updated inventory file. lineinfile will only add to the found
> lines at the end of the file. replace will update all the matches. What is
> the recommended way to do this?
>
>
> ===playbook===
> ---
> - name: create instances
> hosts: all
> gather_facts: no
> connection: local
> sudo: no
> tasks:
> - name: "create instance and assign floating-ip (if available)"
> os_server:
> state: present
> auth:
> auth_url: http://10.10.81.227:5000/v2.0
> username: "{{openstack_username | mandatory }}"
> password: "{{openstack_password | mandatory }}"
> project_name: cups
> name: "{{ inventory_hostname | mandatory }}"
> image: "{{ openstack_image | mandatory }}"
> key_name: "{{ openstack_key_name | mandatory }}"
> flavor: "{{ openstack_flavor | mandatory }}"
> register: result
>
> - debug: var=result
>
> - debug: var=inventory_hostname
>
>
> - lineinfile: backrefs=yes state=present
> dest="{{inventory_dir}}/test" regexp='{{inventory_hostname}}\s'
> line='{{inventory_hostname}}
> ansible_ssh_host={{result.openstack.accessIPv4}}'
>
> ===inventory file====
> [tomcat]
> tomcat
>
> [jenkins]
> jenkins
>
> [downloads]
> downloads
>
> [project:children]
> tomcat
> jenkins
> downloads
>
> [cups:vars]
> ansible_ssh_user=centos
>
>
>
>
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