fetch module - hostname instead of ip in the filesystem tree?

[Michael Warkentin]

Hello, I was wondering if there's any way to use the hostname of a server rather than it's IP to generate the file system tree when using the fetch module?

Our ansible inventories are set up like so:

aqua-notif-wrkr-01 ansible_ssh_host=12.34.56.789

This ends up generating a tree like this: https://s3.amazonaws.com/snaps.michaelwarkentin.com/generate_server_list.py__waveapps_2014-10-21_16-17-17.png

Would setting up /etc/hosts to map hostnames to IPs work, or are we stuck with this?

[James Cammarata]

Hi Michael,

One way you can get around this is to use the inventory_hostname variable in the dest= along with flat=yes, as follows:

- hosts: all

  gather_facts: no

  tasks:

  - fetch: src=/etc/hosts dest="/tmp/{{inventory_hostname}}/" flat=yes

As long as the inventory_hostname is actually a hostname and not an IP, this should do what you need. Beyond that, you can open a feature request PR on ansible-modules-core to allow using the inventory hostname instead of the connection address, when available.

Hope that helps!

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[Michael Warkentin]

Thanks James, I'll give that a try!

Sorry about the double-post as well - I didn't realize that the forum was moderated, so I thought there was a glitch when I submitted my first message.

[Michael DeHaan]

"if there's any way to use the hostname of a server rather than it's IP to generate the file system tree when using the fetch module?"

Yeah, It should use the inventory name anyway.

I'd file a bug on this one at github.com/ansible/ansible -- it's a small bug, and the workaround above will do, but it shouldn't be using conn.host as the host path, but rather "inventory_hostname".

To view this discussion on the web visit https://groups.google.com/d/msgid/ansible-project/0bd13c3d-0def-4528-afe4-ed97e74fcc81%40googlegroups.com.

[Michael Warkentin]

Hey Michael, thanks for the reply. I've opened ansible#9415 to track this.