[aduffeck]

The service registry can only be configured through the MICRO_REGISTRY* env vars, and OC_EVENTS_ENDPOINT doesn't affect it. When services run on a different host than NATS without MICRO_REGISTRY_ADDRESS, they fall back to 127.0.0.1:9233 and exit with nats: no servers available for connection, without saying which address they tried (#3623).

Changes

• New service_registry section in opencloud.yaml. The MICRO_REGISTRY* env vars still work and override it.

  service_registry:
    addresses:
      - nats.example.svc:9233
    auth_username: ...
    auth_password: ...

• activitylog, auth-guest, invitations and webfinger now get the same registry addresses and credentials when MICRO_REGISTRY is set. go-micro swaps out the registry in their service.Init(), so they used to read only env.
• The fatal registration error now logs the registry addresses, with passwords redacted.
• opencloud version reads the config before listing services.
• The unused registry field is gone, so an old registry: key in opencloud.yaml is still ignored.

I tested with NATS, storage-users and webfinger in separate containers, with and without NATS auth.

/cc @micbar

Fixes #3623

[codacy-production]

Up to standards ✅

🟢 Issues 0 issues

Results:
0 new issues

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🟢 Metrics 26 complexity

Metric	Results
Complexity	26

View in Codacy

🟢 Coverage 74.68% diff coverage · +0.12% coverage variation

Metric	Results
Coverage variation	✅ +0.12% coverage variation (-1.00%)
Diff coverage	✅ 74.68% diff coverage

View coverage diff in Codacy

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (12d8edb)	93317	26496	28.39%
Head commit (687f663)	93386 (+69)	26625 (+129)	28.51% (+0.12%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#3875)	79	59	74.68%

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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