OPAL cannot clone non-base branch on private repo

reported by Jake on slack: https://opal-access.slack.com/archives/C01RUUYV3TP/p1634067725023100

config:

      - OPAL_POLICY_REPO_MAIN_BRANCH=dev
      - OPAL_POLICY_REPO_MAIN_REMOTE=origin
      - OPAL_POLICY_REPO_SSH_KEY=${OPAL_POLICY_REPO_SSH_KEY}

stack trace:

opal_server_1        | 2021-10-12T19:40:53.555089+0000 |opal_common.git.branch_tracker          |ERROR  | did not find main branch: 'IterableList' object has no attribute 'dev', instead found: [{'name': 'main', 'path': 'refs/heads/main'}]
opal_server_1        | Traceback (most recent call last):
opal_server_1        | 
opal_server_1        |   File "/root/.local/bin/gunicorn", line 8, in <module>
opal_server_1        |     sys.exit(run())
opal_server_1        |     │   │    └ <function run at 0x7f275202b3a0>
opal_server_1        |     │   └ <built-in function exit>
opal_server_1        |     └ <module 'sys' (built-in)>
opal_server_1        |   File "/root/.local/lib/python3.8/site-packages/gunicorn/app/wsgiapp.py", line 67, in run
opal_server_1        |     WSGIApplication("%(prog)s [OPTIONS] [APP_MODULE]").run()
opal_server_1        |     └ <class 'gunicorn.app.wsgiapp.WSGIApplication'>
opal_server_1        |   File "/root/.local/lib/python3.8/site-packages/gunicorn/app/base.py", line 231, in run
opal_server_1        |     super().run()
opal_server_1        |   File "/root/.local/lib/python3.8/site-packages/gunicorn/app/base.py", line 72, in run
opal_server_1        |     Arbiter(self).run()
opal_server_1        |     │       └ <gunicorn.app.wsgiapp.WSGIApplication object at 0x7f27520368b0>
opal_server_1        |     └ <class 'gunicorn.arbiter.Arbiter'>
opal_server_1        |   File "/root/.local/lib/python3.8/site-packages/gunicorn/arbiter.py", line 202, in run
opal_server_1        |     self.manage_workers()
opal_server_1        |     │    └ <function Arbiter.manage_workers at 0x7f2751978ee0>
opal_server_1        |     └ <gunicorn.arbiter.Arbiter object at 0x7f2752036190>
opal_server_1        |   File "/root/.local/lib/python3.8/site-packages/gunicorn/arbiter.py", line 551, in manage_workers
opal_server_1        |     self.spawn_workers()
opal_server_1        |     │    └ <function Arbiter.spawn_workers at 0x7f2751979040>
opal_server_1        |     └ <gunicorn.arbiter.Arbiter object at 0x7f2752036190>
opal_server_1        |   File "/root/.local/lib/python3.8/site-packages/gunicorn/arbiter.py", line 622, in spawn_workers
opal_server_1        |     self.spawn_worker()
opal_server_1        |     │    └ <function Arbiter.spawn_worker at 0x7f2751978f70>
opal_server_1        |     └ <gunicorn.arbiter.Arbiter object at 0x7f2752036190>
opal_server_1        |   File "/root/.local/lib/python3.8/site-packages/gunicorn/arbiter.py", line 589, in spawn_worker
opal_server_1        |     worker.init_process()
opal_server_1        |     │      └ <function UvicornWorker.init_process at 0x7f2750f07940>
opal_server_1        |     └ <uvicorn.workers.UvicornWorker object at 0x7f27511b4a30>
opal_server_1        |   File "/root/.local/lib/python3.8/site-packages/uvicorn/workers.py", line 64, in init_process
opal_server_1        |     super(UvicornWorker, self).init_process()
opal_server_1        |           │              └ <uvicorn.workers.UvicornWorker object at 0x7f27511b4a30>
opal_server_1        |           └ <class 'uvicorn.workers.UvicornWorker'>
opal_server_1        |   File "/root/.local/lib/python3.8/site-packages/gunicorn/workers/base.py", line 142, in init_process
opal_server_1        |     self.run()
opal_server_1        |     │    └ <function UvicornWorker.run at 0x7f2750f07a60>
opal_server_1        |     └ <uvicorn.workers.UvicornWorker object at 0x7f27511b4a30>
opal_server_1        |   File "/root/.local/lib/python3.8/site-packages/uvicorn/workers.py", line 77, in run
opal_server_1        |     loop.run_until_complete(server.serve(sockets=self.sockets))
opal_server_1        |     │    │                  │      │             │    └ [<gunicorn.sock.TCPSocket object at 0x7f275114d340>]
opal_server_1        |     │    │                  │      │             └ <uvicorn.workers.UvicornWorker object at 0x7f27511b4a30>
opal_server_1        |     │    │                  │      └ <function Server.serve at 0x7f275129b940>
opal_server_1        |     │    │                  └ <uvicorn.server.Server object at 0x7f2750f030d0>
opal_server_1        |     │    └ <method 'run_until_complete' of 'uvloop.loop.Loop' objects>
opal_server_1        |     └ <uvloop.Loop running=True closed=False debug=False>
opal_server_1        | 
opal_server_1        |   File "/opal_common/git/repo_watcher.py", line 68, in run
opal_server_1        |     self._tracker = BranchTracker(
opal_server_1        |     │    │          └ <class 'opal_common.git.branch_tracker.BranchTracker'>
opal_server_1        |     │    └ None
opal_server_1        |     └ <opal_common.git.repo_watcher.RepoWatcher object at 0x7f274fe42bb0>
opal_server_1        | 
opal_server_1        |   File "/opal_common/git/branch_tracker.py", line 42, in __init__
opal_server_1        |     self._save_latest_commit_as_prev_commit()
opal_server_1        |     │    └ <function BranchTracker._save_latest_commit_as_prev_commit at 0x7f274fe2b790>
opal_server_1        |     └ <opal_common.git.branch_tracker.BranchTracker object at 0x7f274fbf2400>
opal_server_1        | 
opal_server_1        |   File "/opal_common/git/branch_tracker.py", line 82, in _save_latest_commit_as_prev_commit
opal_server_1        |     self._prev_commit = self.latest_commit
opal_server_1        |     │                   │    └ <property object at 0x7f274fe37360>
opal_server_1        |     │                   └ <opal_common.git.branch_tracker.BranchTracker object at 0x7f274fbf2400>
opal_server_1        |     └ <opal_common.git.branch_tracker.BranchTracker object at 0x7f274fbf2400>
opal_server_1        | 
opal_server_1        |   File "/opal_common/git/branch_tracker.py", line 89, in latest_commit
opal_server_1        |     return self.tracked_branch.commit
opal_server_1        |            │    └ <property object at 0x7f274fe377c0>
opal_server_1        |            └ <opal_common.git.branch_tracker.BranchTracker object at 0x7f274fbf2400>
opal_server_1        | 
opal_server_1        | > File "/opal_common/git/branch_tracker.py", line 105, in tracked_branch
opal_server_1        |     return getattr(self._repo.heads, self._branch_name)
opal_server_1        |                    │    │     │      │    └ 'dev'
opal_server_1        |                    │    │     │      └ <opal_common.git.branch_tracker.BranchTracker object at 0x7f274fbf2400>
opal_server_1        |                    │    │     └ <property object at 0x7f274feae2c0>
opal_server_1        |                    │    └ <git.repo.base.Repo '/regoclone/.git'>
opal_server_1        |                    └ <opal_common.git.branch_tracker.BranchTracker object at 0x7f274fbf2400>
opal_server_1        | 
opal_server_1        |   File "/root/.local/lib/python3.8/site-packages/git/util.py", line 972, in __getattr__
opal_server_1        |     return list.__getattribute__(self, attr)
opal_server_1        |                                  │     └ 'dev'
opal_server_1        |                                  └ [<git.Head "refs/heads/main">]
opal_server_1        | 
opal_server_1        | AttributeError: 'IterableList' object has no attribute 'dev'

[rocioar]

@asafc @orweis upgrading to the latest version 0.1.16 fixed the issue for me.

[rocioar]

I’m having the same issue. I wonder if it’s related to how the repo is cloned. I think you might need to clone using the no_single_branch=True argument, or use fetch to checkout non-default branches.