Authentication Issue Argo CD with Azure DevOps Server 2020 - Git Repo

Question

Environment:

I have the following scenario, I'm using Argo CD (v2.0.1+33eaf11) for deploying my kustomize config to a OKD Cluster, the config is hosted in a Git-Repo on the AzureDevOps 2020 (On premise). SSL Certs are present on all sides. (Successful tried out to do a git connect from the argo CD Instance to the AzureDevOps GitRepo).

The error I'm getting is:

git did not exit cleanly (exit code 128) see https://stackoverflow.com/a/9980445/11473934

I've tried the following:

Creating a PAT in AzureDevops with read rights on the repo, also tried full access.

On Argo CD, in the connect git-repo dialog i tried the following without success: (image from argocd homepage)
1. Try:
  - Repository URL: https://theServer/<project>/_git/<repository>
  - Username: <username of PAT>
  - Password: <The PAT>
2. Try:
  - Repository URL: https://theServer/<account>/<project>/_git/<repository>
  - Username: something - couldn't leave it blank
  - Password: <The PAT>
3. Try:
  - Generating a SSH Key using it own booth sides, using SSH
  - Resulting in FATA[0000] unknown error: remote: Command git-upload-pack '******' is not in expected format.

Is there anyone how got a similar scenario up and running? What I'm looking for is some mechanism like Access Tokens. But I'm happy with every other working solution.

Created a issue on the argoCD github.

kirkpabk · Accepted Answer · 2024-05-10 11:52:42Z

0

Not a solution. Just insight that might help with what might be happening underneath.

Had a similar issue in the past with GIT repositories. Depending on the host configurations and perhaps hardening, inline PATs (in the url) no longer work. Must pass a base64 authentication header such as:

Authorization: Basic Om9uNWt0bGVkcXlvbjJiaTZsaXFpYzJhNjJteXZsbm5zcGJuaHFtcnlvdWo3bmEzMnNu9GE=

In GIT, for instance, we can get around the inline PAT by passing an http.extraheader= to the --config-env parameter.

Not sure, but I don't think that ArgoCD is implementing this... would be great if they'd provide an option to include extraheader values for folks with hardened platforms.

answered May 10, 2024 at 11:52

kirkpabk

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Authentication Issue Argo CD with Azure DevOps Server 2020 - Git Repo

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