Single-host testing on OpenShift

[skabashnyuk]

Is your task related to a problem? Please describe.

We should figure out where we are with single-host implementation #12914 on OpenShift.

Describe the solution you'd like

Run as much as possible automated tests.

Describe alternatives you've considered

• add some manual testing

Additional context

Known issues

• Running demo application of 'java-web-spring' doesn't work in CHE 'single-host' on k8s Running demo application of 'java-web-spring' doesn't work in CHE 'single-host' on k8s  #17783 -> Resolved, partially. There was opened the another:
• [che-theia] - open http preview in separate browser tab [che-theia] - open http preview in separate browser tab #18002
• 'Plugins' list is absent in IDE in CHE 'single-host' on k8s 'Plugins' list is absent in IDE in CHE 'single-host' on k8s #17749 -> Resolved, the issue is closed

[skabashnyuk]

How to setup environment #16842 (comment)

[artaleks9]

• On this moment was checked installation CHE 'single-host' on OCP 4.5 by using specific 'che-operator' and 'patch-cr.yaml' provided 'platform-team'.
  CHE 'single-host' was installed and worksapce launched. 'Smoke' tests have found a problem with run demo application which is described in Running demo application of 'java-web-spring' doesn't work in CHE 'single-host' on k8s  #17783
• I'm planning to update script and run E2E tests in specific job for CHE 'single-host' on OCP 4.5 /4.4

[artaleks9]

• There were created two jobs which can launch E2E tests on CHE with 'single-host' strategy:
  -che-single-host-chectl-tls-oauth
  -che-single-host-chectl-tls-no-oauth
• Results of E2E and manual tests don't show blockers issue on this moment.
• There was done several runs on OCP 4.5/4.4/3:
  -Devfile E2E tests (in some runs some of test were fail by flakiness reasons, the similar results are on 'default-nightly' Che)
  -Git SSH flow E2E test (is success)
  -Dashbord Java E2E (some of them were fail, and require rework / update)
  -Happy path E2E test is not still implemented to run on OCP (working in progress)

[artaleks9]

• The 'Happy-path' E2E test was implemented to launch on CHE 'single-host' on OCP. There was done several runs - it is OK. Considering thew known issue Running demo application of 'java-web-spring' doesn't work in CHE 'single-host' on k8s  #17783, in 'Happy-path' E2E test was done a workaround for it.
• Launching 'Happy-path' test is working for CHE with TLS and without oAuth and is not untill working on CHE with both TLS and oAuth. A problem, it seems, is on test side and is in progress work.
• After the last changes in 'che-operator' and 'patch-yaml' (see https://gist.github.com/sparkoo/0b45957eee70a35f05b93ad1796f7948) there is reproduced the bug with 'Plugins' list which is describded in 'Plugins' list is absent in IDE in CHE 'single-host' on k8s #17749

[artaleks9]

• I think, the goal of this issue was reached.
• The issue can be closed.

[rhopp]

Automation is being done in #17789