feat: add OAuth2 password grant support for event generator log-cache access#1265
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bonzofenix wants to merge 3 commits into
Open
feat: add OAuth2 password grant support for event generator log-cache access#1265bonzofenix wants to merge 3 commits into
bonzofenix wants to merge 3 commits into
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… access - Add password grant support to CF client configuration - New cf_oauth2_client for event generator to authenticate via resource owner password grant - Prevent thundering herd in token refresh with sync.Once pattern - Update fetcher factory to support password grant credentials - Add UaaCreds model for password grant configuration
This was referenced Jun 17, 2026
- Inline validateAPI() into Validate() — single call site, no reuse benefit - Precompute tokenURL and basicAuthHeader in CFOauth2HTTPClient constructor - Use models.GrantTypePassword constant instead of hardcoded "password" string - Add missing tests: UAACreds.IsPasswordGrant and introspect Basic auth header
- Remove extra blank line at cf/cfclient_wrapper_test.go:281 that caused gofmt formatting violation
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Summary
Adds OAuth2 resource owner password grant support to the CF client and event generator, enabling log-cache access via user credentials instead of client credentials.
Changes
cf/config.go: Add password grant fields to CF client configurationcf/cfclient_wrapper.go: Support password grant in CF client wrappermodels/uaa_creds.go: New UaaCreds model for password grant configeventgenerator/metric/cf_oauth2_client.go: New OAuth2 token client with thundering-herd prevention (sync.Once)eventgenerator/metric/fetcher_factory.go: Wire password grant into fetcher factoryTesting
Part 1 of 4 — Split from #1149 for easier review.