✨ Handle variable definition conflicts for external variables #8107

killianmuldoon · 2023-02-14T15:35:59Z

Add handling for conflicting definitions in variables defined in the ClusterClass and external patches. This change includes:

Comparing variables and signalling which variables conflict in the ClusterClass status
Validation and Defaulting of variables based on the appropriate definiton where conflicts exist
Validating that Cluster's define a DefinitionFrom field when there are conflicting variables

Part of #7985

killianmuldoon

/hold

This PR contains a commit from #8076 which should be reviewed and merged first.

killianmuldoon · 2023-02-16T15:40:49Z

This is ready for a round of review @sbueringer

internal/controllers/clusterclass/clusterclass_controller.go

sbueringer

Next iteration. And now reviewing internal/topology/variables

internal/controllers/clusterclass/clusterclass_controller.go

internal/webhooks/cluster_test.go

internal/topology/variables/cluster_variable_validation.go

internal/topology/variables/cluster_variable_defaulting.go

internal/topology/variables/cluster_variable_validation.go

killianmuldoon · 2023-02-22T19:09:21Z

Should be ready for another round @sbueringer

sbueringer · 2023-02-23T11:58:34Z

/retest

Some new flakes but independent of this PR (I'll probably take a look later)

sbueringer · 2023-02-24T15:10:40Z

Sorry my bad. Have to fix the job config..

internal/topology/variables/utils.go

fabriziopandini

This is outstanding work!
Just few comments from my side

internal/controllers/clusterclass/clusterclass_controller.go

fabriziopandini · 2023-02-28T08:44:46Z

internal/topology/variables/cluster_variable_defaulting.go

-func defaultClusterVariable(clusterVariable *clusterv1.ClusterVariable, clusterClassVariable *clusterv1.ClusterClassVariable, fldPath *field.Path, createVariable bool) (*clusterv1.ClusterVariable, field.ErrorList) {
-	if clusterVariable == nil {
+// defaultValue defaults a clusterVariable based on the default value in the clusterClassVariable.
+func defaultValue(currentValue *clusterv1.ClusterVariable, definition *statusVariableDefinition, fldPath *field.Path, createVariable bool) (*clusterv1.ClusterVariable, field.ErrorList) {


kudos for cleaning up the wording (the distinction between value/definition make code more readable)

Absolutely agree. clusterVariable vs clusterClassVariable was driving me slightly crazy :)
(disclaimer I wrote this code initially)

killianmuldoon · 2023-02-28T12:07:42Z

/hold remove

Underlying PRs all merged

killianmuldoon · 2023-02-28T12:08:08Z

/remove-hold

sbueringer

Last nits from my side

internal/topology/variables/cluster_variable_defaulting_test.go

sbueringer · 2023-02-28T12:40:32Z

Thank you very much!!

Really great work, thank you especially for the extensive test coverage!!!

/lgtm

sbueringer · 2023-02-28T12:40:38Z

/assign @fabriziopandini

k8s-ci-robot · 2023-02-28T12:40:38Z

LGTM label has been added.

Git tree hash: 0265b8c4b59c34b7820460c203e763f106fba2f9

fabriziopandini · 2023-02-28T13:32:39Z

yay!
/lgtm
/approve

k8s-ci-robot · 2023-02-28T13:32:51Z

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External variable discovery #7985

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🌱 Default and Validate Cluster variables based on ClusterClass status #8076

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Consider replacing reflect.DeepEqual #8186

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Add handling for variables with conflicting definitions

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✨ Handle variable definition conflicts for external variables #8107

✨ Handle variable definition conflicts for external variables #8107

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