AWS Template improvements (input prompt for configs, default to Redshift)

[tsotnet]

AWS Template improvements (input prompt for configs, default to Redshift)

Signed-off-by: Tsotne Tabidze [email protected]

What this PR does / why we need it: Currently AWS template uses dynamodb online store and file offline store. We're now changing the offline store to Redshift. However, Redshift needs to be configured by the user to make things work (e.g. cluster_id, database name, etc.). We don't have a mechanism for that. This PR adds python-inquirer library for user prompt during aws template bootstrap, which is used for configuring the feature_store.yaml. Here's the new flow in action:

Which issue(s) this PR fixes:

Fixes #

Does this PR introduce a user-facing change?:

Allow configuring online & offline stores during AWS template, default to Redshift offline store

[codecov-commenter]

Codecov Report

Merging #1731 (d7649db) into master (489a0f8) will decrease coverage by 0.10%.
The diff coverage is 66.66%.

@@            Coverage Diff             @@
##           master    #1731      +/-   ##
==========================================
- Coverage   79.08%   78.97%   -0.11%     
==========================================
  Files          80       80              
  Lines        6855     6878      +23     
==========================================
+ Hits         5421     5432      +11     
- Misses       1434     1446      +12     

Flag	Coverage Δ
integrationtests	78.90% <66.66%> (-0.11%)	⬇️
unittests	61.71% <66.66%> (-0.04%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
sdk/python/feast/client.py	26.23% <ø> (ø)
sdk/python/feast/constants.py	100.00% <ø> (ø)
sdk/python/feast/feature_store.py	93.47% <ø> (-0.03%)	⬇️
sdk/python/feast/infra/offline_stores/file.py	97.08% <ø> (ø)
...k/python/feast/infra/offline_stores/file_source.py	85.91% <ø> (ø)
...thon/feast/infra/offline_stores/redshift_source.py	67.81% <0.00%> (ø)
sdk/python/feast/repo_config.py	92.62% <0.00%> (-1.64%)	⬇️
...gration/offline_store/test_historical_retrieval.py	98.95% <ø> (ø)
...hon/tests/integration/registration/test_cli_aws.py	100.00% <ø> (ø)
sdk/python/feast/driver_test_data.py	100.00% <100.00%> (ø)
... and 8 more

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[woop]

/lgtm

[achals]

/lgtm

[feast-ci-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: achals, tsotnet, woop

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