Add custom image with all required packages for init containers

[mshaposhnik]

What does this PR do?

Adds custom image with all required packages for init containers to avoid problems with their installation during their execution.

What issues does this PR fix or reference?

#13870

Release Notes

N/A

Docs PR

N/A

[benoitf]

@vparfonov FYI it will require a new setup on build-all-images-nightly CI job

[skabashnyuk]

@monaka can you take a look too

[shaijain]

when we can expect new image to be available ?
eclipse/che-endpoint-watcher:nightly

[benoitf]

@vparfonov ?

[mshaposhnik]

Suddenly everything stopped working. There is a tons of errors. Bash not found in image anymore. Errors in entrypoint script:

 waiting for postgres to be ready...
>{
  "kind": "Status",
  "apiVersion": "v1",
  "metadata": {
    
  },
  "status": "Failure",
  "message": "endpoints \"keycloak\" is forbidden: User \"system:anonymous\" cannot get resource \"endpoints\" in API group \"\" in the namespace \"che\"",
  "reason": "Forbidden",
  "details": {
    "name": "keycloak",
    "kind": "endpoints"
  },
  "code": 403
}<
/entrypoint.sh: line 26: length": command not found
jq: error: syntax error, unexpected $end, expecting QQSTRING_TEXT or QQSTRING_INTERP_START or QQSTRING_END (Unix shell quoting issues?) at <top-level>, line 1:
".subsets[]?.addresses 
jq: 1 compile error 

[benoitf]

is it related to set -e

[mshaposhnik]

I don't know. I have reverted the curl and jq lines to their prevoius state, and it's not working neither.

[mshaposhnik]

Why did it gives me 403 when requesting endpoint? Is something changed recently ?

[mshaposhnik]

Ok the problem seems solved, if K8S doesn't fool me again using cached images instead of new ones.