Copy tags from the AWS service instance to Consul

[remilapeyre]

Since tags in AWS are a pair "key": "value", both parts are concatenated
before being saved in the Consul catalog. When a tag gets updated on AWS
the associated service on Consul gets updated in place with the new
value to false triggers.

This only sync tags from ECS tasks but it should be easy to expand the
scope as needed.

The synchronisation only goes from AWS to Consul as I'm not sure there
is a place to store additional tags to a service instance in Cloud Map.

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[larstobi]

@i0rek I've found consul-aws to be quite useful, but it hasn't been updated for 5 months. Is this project still alive?

[hanshasselberg]

@larstobi Currently I don't have time to work on this project. But this project is not abandoned, I just didn't have time to do anything, but I am trying to find ways so that this project gets the love it deservers :).

[chris-peterson]

would it be possible to implement this using cloudmap APIs exclusively? I don't think cloudmap services/instances initially supported tags, but they do now. bringing in the ECS dependency presents encapsulation issues (e.g. if you're using EC2/K8s, etc) as well as IAM issues (the underlying hosts need additional permissions)