Backport of Service Health Status in Endpoints Controller Logs into release/1.7.x

[hc-github-team-consul-core]

Backport

This PR is auto-generated from #4616 to be assessed for backporting due to the inclusion of the label backport/1.7.x.

🚨

Warning automatic cherry-pick of commits failed. If the first commit failed,
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The person who merged in the original PR is:
@kswap
This person should manually cherry-pick the original PR into a new backport PR,
and close this one when the manual backport PR is merged in.

merge conflict error: unable to process merge commit: "dbd7d8c9dab1ffa8dcf0302c61ce8396f764b35b", automatic backport requires rebase workflow

The below text is copied from the body of the original PR.

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Changes proposed in this PR

This PR includes the health status of the service being registered/updated by the endpoints controller.

This helps identify the service health state transitions, which are currently impossible and impact the ability to troubleshoot issues.

How I've tested this PR

• Created a custom binary and used it in a Kubernetes cluster. Updates the logging to look like the below. Notice the health field in the logging.

INFO    controller.endpoints    retrieved       {"name": "nginx", "ns": "default"}
INFO    controller.endpoints    registering service with Consul {"name": "nginx", "id": "nginx-nginx", "health": "critical"}
INFO    controller.endpoints    adding manual ip to virtual ip table in Consul  {"name": "nginx", "id": ""}
INFO    controller.endpoints    registering proxy service with Consul   {"name": "nginx-sidecar-proxy", "id": "nginx-nginx-sidecar-proxy", "health": "critical"}
INFO    controller.endpoints    retrieved       {"name": "nginx", "ns": "default"}
INFO    controller.endpoints    registering service with Consul {"name": "nginx", "id": "nginx-nginx", "health": "passing"}
INFO    controller.endpoints    adding manual ip to virtual ip table in Consul  {"name": "nginx", "id": ""}
INFO    controller.endpoints    registering proxy service with Consul   {"name": "nginx-sidecar-proxy", "id": "nginx-nginx-sidecar-proxy", "health": "passing"}

Checklist

• Tests added
• CHANGELOG entry added

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Overview of commits

• 3fa21a7 - a3b616f - dbd7d8c