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David Ostrovsky edited this page Jan 6, 2018 · 14 revisions

Q. What is the difference between authentication type OAUTH and OpenID?

A. When you start from scratch then you probably want OAUTH. When you've used non-SSO OpenID and need Google OAuth provider support after OpenID service shutdown, then you need Hybrid OpenID+OAuth authentication method. This is supported with auth.type = 'OpenID'.

Q. Why I am getting identity is untrusted error with Hybrid OpenID+OAuth method?

A. You need to set trustedOpenID:

  [auth]
    type = OPENID
    trustedOpenID=^.*$

Q. How to configure the proxy with this plugin?

A. Check this Proxy support request.

Q. Why Gerrit doesn't start after setting the auth.type = OAUTH?

A. You havn't installed the plugin or havn't configured any of the providers. Also verify that you have replaced the plugin name in the documentation:

[plugin "@PLUGIN@-google-oauth"]
    client-id = "<client-id>"
    client-secret = "<client-secret>"
    link-to-existing-openid-accounts = true

The correct plugin name + suffix, e.g.:

  [plugin "gerrit-oauth-provider-google-oauth"]
  [...]

Q. I tried hard and double-checked all the configuration options from the previous answer, but gerrit still refuses to start?

A. You tried hard? Try harder next time ;-) Since Gerrit 2.14 you must in addition set oauth. gitBasicAuthPolicy to HTTP: .

[auth]
    type = OAUTH
    gitBasicAuthPolicy = HTTP

See discussion in https://github.com/davido/gerrit-oauth-provider/issues/84 for more details.

Q. After upgrade to version (2.14.6) new users are created after login.

A. As explained in this announcemenet, https://groups.google.com/d/topic/repo-discuss/zOUaxTvbmLE/discussion, external-id form was migrated in this plugin version from "4711" to "github-oauth:4711". New external ids are linked to the exsisting users and the whole migration is done seamlessly. The prerequisite for it is to set this option:

  fix-legacy-user-id = true

for every provider configuration. See https://github.com/davido/gerrit-oauth-provider/issues/99 for glory details.

Q. Why does the Gerrit page hang while trying to "Sign In"?

A. Slow RNG, on provider side. See https://github.com/davido/gerrit-oauth-provider/issues/40 for more detail how to increase the entropy.

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