[jira] [Created] (AIRFLOW-5167) Dependancy conflict with grpc-google-iam-v1

["Sujay Mansingh (JIRA)" <ji...@apache.org>]

Sujay Mansingh created AIRFLOW-5167:
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             Summary: Dependancy conflict with grpc-google-iam-v1
                 Key: AIRFLOW-5167
                 URL: https://issues.apache.org/jira/browse/AIRFLOW-5167
             Project: Apache Airflow
          Issue Type: Bug
          Components: gcp
    Affects Versions: 1.10.4
            Reporter: Sujay Mansingh


If we use a tool that does script requirements checking (e.g. {{pip-compile}}) then an erroe is thrown when handling the dependencies for {{apache-airflow[gcp_api]}}
{code:java}
$ pip-compile --version
pip-compile, version 3.7.0

$ cat requirements.in
apache-airflow[gcp_api]

$ pip-compile -o requirements.txt requirements.in
Could not find a version that matches grpc-google-iam-v1<0.12dev,<0.13dev,>=0.11.4,>=0.12.3
Tried: 0.9.0, 0.10.0, 0.10.1, 0.11.1, 0.11.3, 0.11.4, 0.12.0, 0.12.1, 0.12.2, 0.12.3
There are incompatible versions in the resolved dependencies.
{code}
Looks like a set of inconsistent dependencies in the google libs :/
{code:java}
$ pip-compile -v -o requirements.txt requirements.in | grep -i grpc-google-iam
  google-cloud-container==0.3.0 requires google-api-core[grpc]<2.0.0dev,>=1.14.0, grpc-google-iam-v1<0.13dev,>=0.12.3
  google-cloud-bigtable==0.33.0 requires google-api-core[grpc]<2.0.0dev,>=1.6.0, google-cloud-core<2.0dev,>=1.0.0, grpc-google-iam-v1<0.12dev,>=0.11.4
  google-cloud-spanner==1.9.0 requires google-api-core[grpc,grpcgcp]<2.0.0dev,>=1.4.1, google-cloud-core<2.0dev,>=1.0.0, grpc-google-iam-v1<0.12dev,>=0.11.4
  adding ['grpc-google-iam-v1', '<0.12dev,<0.13dev,>=0.11.4,>=0.12.3', '[]']
  grpc-google-iam-v1<0.12dev,<0.13dev,>=0.11.4,>=0.12.3
Could not find a version that matches grpc-google-iam-v1<0.12dev,<0.13dev,>=0.11.4,>=0.12.3
Tried: 0.9.0, 0.10.0, 0.10.1, 0.11.1, 0.11.3, 0.11.4, 0.12.0, 0.12.1, 0.12.2, 0.12.3
There are incompatible versions in the resolved dependencies.
{code}
So it looks like {{google-cloud-bigtable==0.33.0}} and {{google-cloud-spanner==1.9.0}} require a version that is {{>=0.11.4}} and {{<0.12dev}}

{{google-cloud-container==0.3.0}} upsets everything though by specifying version {{>=0.12.3}} and {{<0.13dev}}

For now, we can work around issue by not checking any conflicts when installing {{apache_airflow[gcp]}}.

That isn't ideal
 - All it means is that the version of {{grpc-google-iam-v1}} that is specified last will be installed
 - I'm assuming that there are no major api changes in {{grpc-google-iam}} between {{<0.12dev}} and {{<0.13dev}}. If there are then I imagine tests would fail, but it still feels a little wrong to allow use of a lib that doesn't match the version required
 - Relaxing the check just means that we could have a conflict elsewhere that isn't reported

I understand this is not an issue with airflow, but more to do with the google python libraries.
 However it does affect us when we try to use airflow and be strict with python requirements.

Any ideas on what to do?



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