Fix the deprecated parameter in hvac client

[emredjan]

Adds an explicit parameter to fix deprecation warnings in hvac client, as described in hvac/hvac#907

closes: #31347

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[hussein-awala]

The raise_on_deleted_version parameter was introduced in hvac 1.1.0. Using it with an older version will result in an exception because the read_secret_version method does not accept additional kwargs:
https://github.com/briantist/hvac/blob/669ddfc935014f37273655d6b4b9f7e44661ddf0/hvac/api/secrets_engines/kv_v2.py#L104-L110

If we want to provide a value for the raise_on_deleted_version argument, we need to check the hvac version and add it only for versions >= 1.1.0. We can remove this check when we increase the minimum required hvac version to 1.1.0 (here).

[hussein-awala]

Here is an example to how we provide arguments based on the lib version:

airflow/airflow/providers/mongo/hooks/mongo.py

Lines 87 to 94 in 7ebda38

	ifpymongo.__version__>="4.0.0":
	# In pymongo 4.0.0+ `tlsAllowInvalidCertificates=True`
	# replaces `ssl_cert_reqs=CERT_NONE`
	options.update({"tlsAllowInvalidCertificates": True})
	else:
	options.update({"ssl_cert_reqs": CERT_NONE})
	self.client=MongoClient(self.uri, **options)

[emredjan]

Here is an example to how we provide arguments based on the lib version:

Thanks for the guidance, I'm looking at how I can provide the argument based on the library version, unfortunately hvac does not seem to implement the __version__ attribute.

>>>importhvac>>>hvac.__version__Traceback (mostrecentcalllast):
File"<stdin>", line1, in<module>AttributeError: module'hvac'hasnoattribute'__version__'

Would it be acceptable to implement this via the importlib, or would that be unnecessary overhead?

>>>fromimportlib.metadataimportversion>>>version('hvac')
'1.1.0'>>>version(hvac.__name__) # better to check without using the library name as string'1.1.0'

[hussein-awala]

Would it be acceptable to implement this via the importlib, or would that be unnecessary overhead?

If I am not mistaken, this method is not available in Python 3.7 (it was introduced in Python 3.8), and since #30963 has not been merged yet, we cannot use it.

[emredjan]

If I am not mistaken, this method is not available in Python 3.7 (it was introduced in Python 3.8), and since #30963 has not been merged yet, we cannot use it.

Yes, I just saw that. It's available in 3.8+. 3.7 support will end on 2023-06-27, but until then, do you have another suggestion to check the library version?

There's this, but I'm not sure whether it slows things down:

>>>importpkg_resources>>>pkg_resources.get_distribution(hvac.__name__).version'1.1.0'

[hussein-awala]

Can you try this?

importsysifsys.version_info< (3, 8):
fromimportlib_metadataimportversionelse:
fromimportlib.metadataimportversionhvac_version=version("hvac")

[emredjan]

Unfortunately I don't have enough knowledge about how to update the tests to take the new function signatures into account 😞. Can someone else pick that part up?

[potiuk]

Unfortunately I don't have enough knowledge about how to update the tests to take the new function signatures into account 😞. Can someone else pick that part up?

It's a great opportunity to learn.

[emredjan]

@hussein-awala, I updated the tests for hashicorp provider. It should hopefully pass the checks.

Though I now see Python 3.7 support is dropped on the main branch. Should I remove this check from the files:

importsysifsys.version_info< (3, 8):
fromimportlib_metadataimportversionelse:
fromimportlib.metadataimportversion

and directly use from importlib.metadata import version?

[hussein-awala]

Could you add a new test which patch version and test with 2 different versions, one older than 1.1.0 and another >= 1.1.0?

[eladkal]

@emredjan are you still working on this PR?

[emredjan]

@emredjan are you still working on this PR?

Unfortunately no. I don't currently have the time to figure out how to add the tests. But please feel free to pick it up.

Also now that the support for Python 3.7 is dropped, we don't the checks for that in the imports.

[potiuk]

We've not done that before for PRS - but marked it as "good first issue" for someone to pick up

[eladkal]

We have an open issue for this one so added the label there and I guess we can close this one as stale.
hopefully someone will pick it up

[eladkal]

closing as stale.
we have open issue to track this task. If someone is interested in completing this please open a new PR