Issue 564: Removing supported versions configmap

[SrishT]

Signed-off-by: SrishT [email protected]

Change log description

Removes the supported versions configmap from the pravege operator.

Purpose of the change

Fixes #564

What the code does

Removes the version validation from the validating webhook at the time of installation or upgrades of the pravega cluster. However the webhook will continue to check the format of the image being provided and will not allow any downgrade, unless while trying to rollback the cluster in case of a failed upgrade.

How to verify it

The pravega operator should allow installation of any pravega version given in the correct format (i.e. MAJOR.MINOR.PATCH-XXXX), and should also allow upgrades to any other pravega version. Downgrades are however not allowed.

The following scenarios have been tested

• Upgrading the pravega operator from version 0.5.4 (which contains the version map) to the latest one (not containing the version map)
• Tested installation and upgrade to any pravega version is allowed
• Tested that the pravega operator does not allow using images which do not follow semantic versioning, and also does not allow the user from downgrading the pravega version

[anishakj]

Remove all the references of version map from documentation.

[codecov-commenter]

Codecov Report

Merging #565 (f2accc4) into master (087b0fb) will increase coverage by 0.03%.
The diff coverage is 66.66%.

@@            Coverage Diff             @@
##           master     #565      +/-   ##
==========================================
+ Coverage   73.25%   73.29%   +0.03%     
==========================================
  Files          15       15              
  Lines        4121     4093      -28     
==========================================
- Hits         3019     3000      -19     
+ Misses        972      967       -5     
+ Partials      130      126       -4     

Impacted Files	Coverage Δ
pkg/apis/pravega/v1beta1/pravegacluster_types.go	26.73% <66.66%> (-1.36%)	⬇️

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[anishakj]

LGTM