[installer]: add jaeger sampling options to the tracing object

[mrsimonemms]

Description

Adds Jaeger sampling options to the new experimental (and unsupported) config section

The config object is now:

observability:
  tracing: # The tracing object is required to activate the tracing option in the experimental
    endpoint: <url-of-endpoint> 
experimental:
  workspace:
    tracing:
      samplerType: const
      samplerParam: 1

This adds the ability to configure the sampler options for the tracing object. This validates the types/params against the Jaeger client

There is validation added to support this:

• if tracing is omitted or samplerType or not configured, no error happens. This retains the same const and 1 default values as now
• if tracing.samplerType is added, it ensures that the samplerType meets one of the options defined by Jaeger. It also requires the tracing.samplerParam, as this value is coupled to the samplerType

Related Issue(s)

Fixes #7698

How to test

Run validate config whilst changing the params to check the validation. Run render to generate a new Installer YAML

Release Notes

[installer]: add jaeger sampling options to the tracing object

Documentation

[mrsimonemms]

/hold

@corneliusludmann I will need your approval for this to be merged. I would also like @aledbf's approval as well as this change has been requested by him

[codecov]

Codecov Report

Merging #7727 (37d5cd2) into main (fb502be) will decrease coverage by 3.73%.
The diff coverage is 0.00%.

@@            Coverage Diff            @@
##             main   #7727      +/-   ##
=========================================
- Coverage   11.46%   7.73%   -3.74%     
=========================================
  Files          20      31      +11     
  Lines        1177    2199    +1022     
=========================================
+ Hits          135     170      +35     
- Misses       1039    2027     +988     
+ Partials        3       2       -1     

Flag	Coverage Δ
components-gitpod-cli-app	10.20% <ø> (ø)
components-local-app-app-darwin-amd64	?
components-local-app-app-darwin-arm64	?
components-local-app-app-linux-amd64	?
components-local-app-app-linux-arm64	?
components-local-app-app-windows-386	?
components-local-app-app-windows-amd64	?
components-local-app-app-windows-arm64	?
installer-raw-app	5.63% <0.00%> (?)

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

Impacted Files	Coverage Δ
installer/pkg/common/common.go	4.45% <0.00%> (ø)
installer/pkg/components/ws-manager/deployment.go	0.00% <0.00%> (ø)
components/local-app/pkg/auth/auth.go
components/local-app/pkg/auth/pkce.go
installer/pkg/components/ws-manager/configmap.go	30.05% <0.00%> (ø)
...components/ws-manager/unpriviledged-rolebinding.go	0.00% <0.00%> (ø)
installer/pkg/common/display.go	0.00% <0.00%> (ø)
installer/pkg/components/ws-manager/rolebinding.go	0.00% <0.00%> (ø)
... and 7 more

---

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[corneliusludmann]

cross-posting a comment I just added to the issue: #7698 (comment)

[corneliusludmann]

/lgtm
/approve

Code looks code.

[roboquat]

LGTM label has been added.

Git tree hash: 562cbb58a1bd4425024bd7417597dc689617b238

[mrsimonemms]

/unhold

[sagor999]

@aledbf is on vacation, so approving on his behalf. LGTM.

[roboquat]

LGTM label has been added.

Git tree hash: 80e1d8e96bce3a7cb2e6d171476f33ebdaf2d674

[mrsimonemms]

/unhold

[JanKoehnlein]

LGTM

[roboquat]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: corneliusludmann, JanKoehnlein, sagor999

Associated issue: #7698

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• installer/OWNERS [corneliusludmann]
• installer/pkg/components/agent-smith/OWNERS [sagor999]
• installer/pkg/components/blobserve/OWNERS [sagor999]
• installer/pkg/components/content-service/OWNERS [sagor999]
• installer/pkg/components/image-builder-mk3/OWNERS [sagor999]
• installer/pkg/components/registry-facade/OWNERS [sagor999]
• installer/pkg/components/server/OWNERS [JanKoehnlein]
• installer/pkg/components/ws-daemon/OWNERS [sagor999]
• installer/pkg/components/ws-manager/OWNERS [sagor999]
• installer/pkg/components/ws-manager-bridge/OWNERS [JanKoehnlein]
• installer/pkg/components/ws-proxy/OWNERS [sagor999]

Approvers can indicate their approval by writing /approve in a comment
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