TLS unit tests fail if we have opensearch snap installed in our local machine

[phvalguima]

The TLS unit tests will fail with "permission denied" if we have the opensearch snap installed in our machine.

One example of trace:

Traceback (most recent call last):
  File "/usr/lib/python3.12/unittest/case.py", line 58, in testPartExecutor
    yield
  File "/usr/lib/python3.12/unittest/case.py", line 634, in run
    self._callTestMethod(testMethod)
  File "/usr/lib/python3.12/unittest/case.py", line 589, in _callTestMethod
    if method() is not None:
       ^^^^^^^^
  File "/home/pguimaraes/Documents/Canonical/Engineering/DPE-4196-improve-plugin-manager/opensearch-operator/.tox/unit/lib/python3.12/site-packages/parameterized/parameterized.py", line 620, in standalone_func
    return func(*(a + p.args), **p.kwargs, **kw)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.12/unittest/mock.py", line 1390, in patched
    return func(*newargs, **newkeywargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/pguimaraes/Documents/Canonical/Engineering/DPE-4196-improve-plugin-manager/opensearch-operator/.tox/unit/lib/python3.12/site-packages/parameterized/parameterized.py", line 93, in dummy_func
    return orgfunc(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.12/unittest/mock.py", line 1390, in patched
    return func(*newargs, **newkeywargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/pguimaraes/Documents/Canonical/Engineering/DPE-4196-improve-plugin-manager/opensearch-operator/tests/unit/lib/test_opensearch_tls.py", line 1638, in test_on_certificate_available_rotation_ongoing_on_this_unit
    self.charm.tls._on_certificate_available(self.charm.on.certificate_available)
  File "/home/pguimaraes/Documents/Canonical/Engineering/DPE-4196-improve-plugin-manager/opensearch-operator/lib/charms/opensearch/v0/opensearch_tls.py", line 240, in _on_certificate_available
    if not self.store_new_ca(self.charm.secrets.get_object(scope, cert_type.val)):
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/pguimaraes/Documents/Canonical/Engineering/DPE-4196-improve-plugin-manager/opensearch-operator/lib/charms/opensearch/v0/opensearch_tls.py", line 574, in store_new_ca
    self._add_ca_to_request_bundle(secrets.get("chain"))
  File "/home/pguimaraes/Documents/Canonical/Engineering/DPE-4196-improve-plugin-manager/opensearch-operator/lib/charms/opensearch/v0/opensearch_tls.py", line 964, in _add_ca_to_request_bundle
    if not bundle_path.exists():
           ^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.12/pathlib.py", line 862, in exists
    self.stat(follow_symlinks=follow_symlinks)
  File "/usr/lib/python3.12/pathlib.py", line 842, in stat
    return os.stat(self, follow_symlinks=follow_symlinks)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
PermissionError: [Errno 13] Permission denied: '/var/snap/opensearch/current/etc/opensearch/certificates/chain.pem'

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Thank you for reporting us your feedback!

The internal ticket has been created: https://warthogs.atlassian.net/browse/DPE-6164.

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[syncronize-issues-to-jira]

Thank you for reporting us your feedback!

The internal ticket has been created: https://warthogs.atlassian.net/browse/DPE-6165.

This message was autogenerated