how to get name tag from ec2_facts

[Brian Schott]

I have a playbook where I'm launching some instances, adding them to a host group, doing package installs, then I want to bundle each instance with a unique image name.  My first thought was to use an instance tag, but can't seem to find how to read tags on a running instance.  Should I use set_fact when I create the instance instead?  Still getting my head around variable scoping.

Thanks!

Brian

roles/ec2_bundle_image/main.yaml:

- name: Fetch the ec2_facts for the server

  action: ec2_facts

- name: Calculate the image name

  action: set_fact ec2_image_name={{ NAME_TAG_GOES_HERE }}_{{ ansible_ec2_profile }}_{{ ansible_date_time[date] }}

- name: Bundle the instance into an image

  local_action: ec2_ami aws_access_key={{ aws_access_key }} aws_secret_key={{ aws_secret_key }}

                instance_id={{ ansible_ec2_instance_id }} wait=yes

                 name={{ ec2_image_name }}

[Michael DeHaan]

Seems like the ec2_facts module should return what you want since it hits the ec2 metadata server.

Shouldn't need to use set_fact here and I don't see how that would possibly help since that sets variables, it doesn't look them up.

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Michael DeHaan <mic...@ansibleworks.com>
CTO, AnsibleWorks, Inc.
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[Brian Schott]

Unfortunately, the ec2 tags are not available inside the instance data.

http://stackoverflow.com/questions/3883315/query-ec2-tags-from-within-instance

I didn't realize I could add arbitrary variables during add_host, so I think I can just set ec2_image_name to what I want in the add_host action when I start the instances.

Otherwise, I don't see a way to list the tags associated with an instance.

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[benno joy]

Hi Brian,

Maybe you can set the user data while instance provisioning

user_data={{ foo }}

and use the ansible fact "ansible_ec2_user_data" for image provisioning.

Regards,

Benno

[Michael DeHaan]

It would be nice if the facts module could be extended to provide tag info so nodes could be self selecting.

In any case, the ec2 dynamic inventory script does return tag info.