Private Repos are not listed in Projects Combobox in Multibranch Config

[cyberjaws]

Create a private repo in GitLab named "Test1" for User X. Create a GitLab access token for User X. Create a new multibranch Pipeline in Jenkins. Source is of type GitLab Project. Add the credentials for X:Access Token. Add the Owner (X) in the owner field. The form ponders the input and intead of -None- in the field nothing is displayed. Hit Save.

Log from the subsequent Scan: Cannot deserialize instance of `org.gitlab4j.api.models.Project` out of START_ARRAY token.

If a public repo is added in GitLab and the process is repeated, the public repo is listed in the Projects selection combobox, but still not the private repo.

Plugin Version: 1.5.1 GitLab CE Version: 13.3.6 Jenkins Version: 2.235.5

[aleksa2808]

Have the same problem. Added the credentials of the user that does have access to the project, but nothing apart from public or internal projects is visible in the combobox.

[amin224]

@aleksa2808 Hello,

Did you manage to solve this issue? I cannot see my private gitlab Repositories in the projects tab.

[aleksa2808]

@amin224 no, the "hotfix" of making all projects using this plugin "internal" is still in effect.

[firatkucuk]

Gitlab personal access tokens start with the prefix glpat- and the general format of personal access tokens is: glpat-abc..... The actual significant section is 20 characters long. That's why gitlab-branch-source-plugin enforces 20 characters without prefix but we have checked the incoming HTTP request to GitLab server contains a private-token header with the actual value coming from credentials and without glpat- prefix. It causes 401 error.

As a workaround, we will try to bypass form validation using Jenkins Configuration as Code.

For the actual fix, we can either add a prefix to the HTTP header value or we can increase the token maximum length criteria to 26 characters.

[TobiX]

FWIW, I cannot reproduce this issue with current software versions:

• GitLab CE 15.10.1
• Jenkins 2.397
• GitLab Branch Source ~~1703.vd5a_2b_29c6cdc~~ 647.vdee7766b_cfa_e

1. Created a PAT with read_api & read_repository permission.
2. Configured a GitLab connection with this PAT
3. Create a multibranch pipeline job
4. Select GitLab Project
5. Enter Username into "Owner"
6. Projects dropdown is filled with private, internal and public repositories

[xaviou]

Hey @TobiX, I tried to reproduce your non reproduction but GitLab Branch Source plugin does not exist in version 1703.vd5a_2b_29c6cdc

[TobiX]

@xaviou Sorry, copy & paste error. Ment to write 647.vdee7766b_cfa_e, which was released ~2 weeks ago (https://github.com/jenkinsci/gitlab-branch-source-plugin/releases)