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Fix ec2_launch_template tagging #53432

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mdaniel commented Mar 7, 2019


If one does not provide network_interfaces: in ec2_launch_template:, then the module will still ask AWS to tag a resource of network-interface when launching the instance. However, that configuration is invalid, causing a 400 response from the AWS API

  • Bugfix Pull Request


  1. specify a launch template without network_interfaces:
  2. specify an ec2_asg: that references that launch template
  3. observe the error below
- ec2_launch_template:
    template_name: sample_lt
    # this is actually the default, but for clarity
    network_interfaces: ~
        # or whatever
        Role: worker
    # and the rest

- ec2_asg:
    name: sample
        launch_template_name: sample_lt
        version: '$Default'
    "msg": "Failed to update autoscaling group: An error occurred (ValidationError) when calling the UpdateAutoScalingGroup operation: You must use a valid fully-formed launch template. 'network-interface' is not a valid taggable resource type for this operation."

mdaniel added some commits Mar 7, 2019

Only tag network-interface if the LT specifies one
Otherwise when one tries to create an ASG it will fail citing "one must use a fully-formed launch template"
Cleanup unused imports
And specify the argument types for `params_to_launch_data`; I didn't fix them _all_ because I didn't touch them all

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ansibot commented Mar 7, 2019


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ansibot commented Mar 7, 2019

@mdaniel, just so you are aware we have a dedicated Working Group for aws.
You can find other people interested in this in #ansible-aws on Freenode IRC
For more information about communities, meetings and agendas see

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