For editing /etc/network/interfaces I use replace module with some patches.

- name: setup docker0 bridge
  replace:
    dest: /etc/network/interfaces
    regexp: '^(# role docker.*[\n\r]+)?iface\s+docker0\s+.*[\n\r]+([ 
\t]+.*[\n\r]?)*(# role docker.*[\n\r]?)?'
    replace: |
      # role docker script config BEGIN
      iface docker0 inet static
        bridge_ports    none
        bridge_stp      off
        bridge_maxwait  0
        bridge_fd       0
        address         {{ docker_net_prefix }}.255.254
        netmask         255.255.0.0
      # role docker script config END
    append: yes
  register: redocker


I have only trouble with missing trailing newline.


Dne středa, 9. dubna 2014 16:49:03 UTC+2 Michael Baydoun napsal(a):
>
> I need to insert many lines of configuration and must use lineinfile or 
> something similar.
> The particular application in question also writes changes over time to 
> other parts of the same file.
>
> What is the best, cleanest way to accomplish this?
> Is there a solution other than to string a bunch of lineinfile modules 
> together?
>

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