[secrets] ManyLinux wheels require LD_LIBRARY_PATH to be defined

[t1m0thyj]

When the Secrets SDK is installed from PyPI in a Linux environment that uses manylinux wheels, it fails to find libsecret shared libraries. Even if the libsecret-1-0 package is installed, it will look for them in a hardcoded path.

>>> from zowe.secrets_for_zowe_sdk import keyring
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/local/lib/python3.8/dist-packages/zowe/secrets_for_zowe_sdk/__init__.py", line 5, in <module>
    from . import keyring
ImportError: libsecret-1-e4398220.so.0: cannot open shared object file: No such file or directory

The shared libraries do exist in the path "zowe.libs" (one level above "zowe/secrets_for_zowe_sdk") but the import fails at runtime. A work around is to set the LD_LIBRARY_PATH environment variable to point to the "zowe.libs" folder.

[github-actions]

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