Fix: Bitbucket Git Clone Fails In DevLake

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Fix: Bitbucket Git Clone Fails in DevLake

Hey guys! We've got a bit of a situation here with Bitbucket and DevLake, specifically with Git clones. It seems like some of you are running into issues where the connection works for API calls but then throws a fit when it's time to clone a Git repository. Let's break down what's happening and how we can get this sorted out.

Issue Description: The Bitbucket Connection Conundrum

So, the main problem is that the Bitbucket connection authentication isn't playing nicely between API calls and Git clone operations. It's like they're speaking different languages or something. You might be able to connect and fetch data via the API just fine, but then the Git clone decides to throw an error. This inconsistency is a real headache, but don't worry, we'll get to the bottom of it.

Digging into the Details: Why Git Clone Fails

The Root Cause: The main culprit seems to be how DevLake is handling authentication for Git clones. When you set up a Bitbucket connection using your email address and API token (which, by the way, has all the right permissions), DevLake sometimes tries to use that email address for the Git clone. Now, Bitbucket is a bit picky and wants a username for Git operations, not an email. It's like trying to pay for groceries with Monopoly money – it just doesn't work. This username versus email mismatch is where the trouble begins. To ensure a smooth Git clone process, DevLake needs to use the correct credentials.

The Workaround That Works... Briefly: Some of you clever folks have tried a workaround by diving into the _devlake_blueprints table and switching to 'ADVANCED' mode. Then, you manually tweaked the blueprint JSON to swap out the email for your Bitbucket username in the Git URL. This actually works... for a little while. You might get one successful clone, but then, bam! On subsequent syncs, it's back to the email address, and the clone fails again. It's like the settings are reverting or something. This inconsistency highlights the need for a more robust solution in DevLake to handle Bitbucket authentication correctly.

The SSH Saga: A Private Key Predicament: Then there's the SSH route. You've configured the privateKey in advanced blueprint mode, using the SSH URL format, and it seems promising. The initial clone goes off without a hitch, which is great! But then, disaster strikes on the next run. You get hit with an error message: Identity file /tmp/gitext-pk* not accessible: No such file or directory. It turns out the temporary SSH key file is being created, but then it's becoming inaccessible, leading to those dreaded permission denied errors. This issue points to a problem with how DevLake is managing temporary SSH keys, especially their persistence across multiple runs. Proper handling of SSH keys is crucial for secure and automated Git operations.

Steps to Reproduce: Recreating the Bitbucket Blues

If you're scratching your head and thinking, "How do I make this happen myself?" here's the recipe for disaster (so you can test the fix, of course):

  1. Create a Bitbucket Connection: Set up a new connection in DevLake using your email address and API token. Make sure your token has all the necessary scopes, as the UI demands.
  2. Add a Bitbucket Repository to a Blueprint: Now, create or modify a blueprint and include a Bitbucket repository in it.
  3. Run the Blueprint: Fire up that blueprint and watch the fireworks (or, more accurately, the error messages).

By following these steps, you should be able to reproduce the issue and see the Git clone failing.

Expected Behavior: A Smooth Git Clone Experience

What we really want, guys, is for the connection to just work. We're talking about a seamless experience where both API calls and Git clone operations play nice together, using the same credentials. No more jumping through hoops or editing JSON files manually. It should be smooth sailing from connection to clone. The ideal scenario is that DevLake handle Bitbucket authentication in a way that's consistent and reliable, so you can focus on analyzing your data, not wrestling with connection errors.

Proposed Solutions: Let's Fix This Thing!

To get things working as they should, DevLake needs a bit of a tweak. Here are a few ways we could tackle this Bitbucket bug:

  1. Dual Authentication: Email for API, Username for Git: The most straightforward approach might be to allow users to specify both their email (for API calls) and username (for Git operations) in the Bitbucket connection settings. This would give DevLake the specific credentials it needs for each type of interaction. This explicit configuration would eliminate the ambiguity and ensure that the correct credentials are used for each operation.
  2. Automatic Username Resolution: The API Assist: Another option is to have DevLake automatically figure out the username from the email address using the Bitbucket API. When you provide your email, DevLake could make a quick API call to Bitbucket to fetch the associated username. This would be a more seamless solution for the user, as they wouldn't have to manually enter both email and username. However, it would add a bit of complexity to the DevLake codebase, as it would need to handle the API call and username retrieval.
  3. SSH Key Persistence: Keep Those Keys Alive: If we're going the SSH route, DevLake needs to do a better job of managing those temporary SSH key files. The keys should persist properly across multiple runs, so they don't disappear and cause permission denied errors. This could involve storing the keys in a more persistent location or implementing a mechanism to ensure they are available for subsequent runs. Reliable SSH key handling is crucial for secure and automated Git operations.

Any of these solutions would be a major step forward in making Bitbucket connections in DevLake more robust and user-friendly.

Version Information

This issue was reported on DevLake version v1.0.3-beta7.

Contributing: Let's Make DevLake Even Better!

Are you willing to jump in and submit a PR to fix this? Awesome! Your contributions are what make open-source projects like DevLake thrive. If you're up for the challenge, dive into the codebase and let's get this bug squashed.

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