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git-sync/docs/askpass-url.md

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Using an Http Auth URL with git-sync

Step 1: Create a GIT_ASKPASS HTTP Service

The GIT ASKPASS Service is exposed via HTTP and provide the answer to GIT_ASKPASS.

Example of the service's output, see more at https://git-scm.com/docs/gitcredentials

username=xxx@example.com
password=ya29.mysecret

Step 2: Configure git-sync container

In your git-sync container configuration, specify the GIT_ASKPASS_URL

The credentials will pass in plain text, make sure the connection between git-sync and GIT ASKPASS Service are secure.

The recommended situation are:

  • ASKPASS Service running within the same pod as git-sync.
  • ASKPASS Service rely on GCE metadata to get service account's credential to access Google Cloud Source Repo.

See https://github.com/cydu-cloud/git-askpass-gce-node as a full example.

name: "git-sync"
...
env:
  - name: "GIT_SYNC_REPO",
    value: "https://source.developers.google.com/p/[GCP PROJECT ID]/r/[REPO NAME]"
  - name: "GIT_ASKPASS_URL",
    value: "http://localhost:9102/git_askpass",