Bugfix: Fix multiple configuration environment variables for the storage-users extension

[wkloucek]

Description

We've fixed multiple environment variable configuration options for the storage-users extension:

• STORAGE_USERS_GRPC_ADDR was used to configure both the address of the http and grpc server.
  This resulted in a failing startup of the storage-users extension if this config option is set,
  because the service tries to double-bind the configured port (one time for each of the http and grpc server). You can now configure the grpc server's address with the environment variable STORAGE_USERS_GRPC_ADDR and the http server's address with the environment variable STORAGE_USERS_HTTP_ADDR
• STORAGE_USERS_S3NG_USERS_PROVIDER_ENDPOINT was used to configure the permissions service endpoint for the S3NG driver and was therefore renamed to STORAGE_USERS_S3NG_PERMISSIONS_ENDPOINT
• It's now possible to configure the permissions service endpoint for all storage drivers with the environment variable STORAGE_USERS_PERMISSION_ENDPOINT, which was previously only used by the S3NG driver.

WARNING: this could be considered a breaking change

Related Issue

• Needed for start rework for oCIS 2.0.0 beta ocis-charts#43 to start the storage-users http and grpc servers listening on all interfaces

Motivation and Context

fix the config

How Has This Been Tested?

• locally

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Technical debt
• Tests only (no source changes)

Checklist:

• Code changes
• Unit tests added
• Acceptance tests added
• Documentation ticket raised:

[wkloucek]

@micbar is this considered a breaking change? For the STORAGE_USERS_S3NG_USERS_PROVIDER_ENDPOINT change, we could remain backwards compatible. All others are not breaking (STORAGE_USERS_GRPC_ADDR can not be configured by anyone currently because the service refuses to start)

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

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0.0% Duplication

[mmattel]

I guess that this will change the yaml/env file output - therefore docs relevant. Just hooking in so we can trigger a docs build.

[micbar]

IMO all could be seen as bugfixes