GitlabCI Support

[CelianR]

What issues does this PR fix or reference?

This references the GitlabCI Support issue : https://github.com/redhat-developer/yaml-language-server/issues/972

Is it tested? How?

Tested on VsCode (vscode-yaml extension)

Details

Changelog

• Added gitlabci.enabled / gitlabci.codelensEnabled option
• !reference tags are not unknown if gitlabci.enabled option
• Go-to definition for:
  • extends nodes
  • !reference tags (recursive: multiple definitions will be found if a job extends a job extending another job)
  • needs tags
  • include nodes
• Show job hierarchy with mouse hover
• All files within all workspaces are parsed (for cross file references)
• “Show usages” code lens (with gitlabci.codelensEnabled option) which go to references to each job (used within needs and extends)

Screenshots

Go to includes (ctrl click on vscode)

Show / go to definitions for needs / !reference (ctrl hover / ctrl click on vscode)

Show job hierarchy with mouse hover

Show / go to definitions with extends (shows the recursive hierarchy)

Show usages code lens (when clicked)

[amenasria]

This would be suuuuper useful !

[coveralls]

coverage: 81.746% (-2.4%) from 84.174% when pulling 991f483e0edc84b538ca468333250932548f8baf on CelianR:celianr/gitlab-jump-to-definition into 0871dc12bb1d092bd08831dbe1f2179c41f55342 on redhat-developer:main.

[CelianR]

Hi @msivasubramaniaan 👋 Do you have any feedback about this PR ? Tell me how you find this work / if some changes are necessary in order to be merged, this would be a great addition to the LSP in my opinion !