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[WIP] feat: add constructor for full event lineage graph #7921

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Fixes #7694

Proposed Changes

  • Get resources from cluster and construct a graph

Signed-off-by: Calum Murray <cmurray@redhat.com>
@knative-prow knative-prow bot added do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. size/L Denotes a PR that changes 100-499 lines, ignoring generated files. labels May 13, 2024
@Cali0707
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/cc @pierDipi

@knative-prow knative-prow bot requested a review from pierDipi May 13, 2024 18:41
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knative-prow bot commented May 13, 2024

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Cali0707

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@knative-prow knative-prow bot requested review from aslom and matzew May 13, 2024 18:41
@knative-prow knative-prow bot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label May 13, 2024
Comment on lines +59 to +121
apiServerSources, err := eventingClient.SourcesV1().ApiServerSources("").List(ctx, metav1.ListOptions{})
if err != nil {
return nil, err
}

for _, apiServerSource := range apiServerSources.Items {
if filterFunc(apiServerSource) {
g.AddSource(duckv1.Source{
ObjectMeta: apiServerSource.ObjectMeta,
TypeMeta: apiServerSource.TypeMeta,
Spec: apiServerSource.Spec.SourceSpec,
Status: apiServerSource.Status.SourceStatus,
})
}
}

containerSources, err := eventingClient.SourcesV1().ContainerSources("").List(ctx, metav1.ListOptions{})
if err != nil {
return nil, err
}

for _, containerSource := range containerSources.Items {
if filterFunc(containerSource) {
g.AddSource(duckv1.Source{
ObjectMeta: containerSource.ObjectMeta,
TypeMeta: containerSource.TypeMeta,
Spec: containerSource.Spec.SourceSpec,
Status: containerSource.Status.SourceStatus,
})
}
}

pingSources, err := eventingClient.SourcesV1().PingSources("").List(ctx, metav1.ListOptions{})
if err != nil {
return nil, err
}

for _, pingSource := range pingSources.Items {
if filterFunc(pingSource) {
g.AddSource(duckv1.Source{
ObjectMeta: pingSource.ObjectMeta,
TypeMeta: pingSource.TypeMeta,
Spec: pingSource.Spec.SourceSpec,
Status: pingSource.Status.SourceStatus,
})
}
}

sinkBindings, err := eventingClient.SourcesV1().SinkBindings("").List(ctx, metav1.ListOptions{})
if err != nil {
return nil, err
}

for _, sinkBinding := range sinkBindings.Items {
if filterFunc(sinkBinding) {
g.AddSource(duckv1.Source{
ObjectMeta: sinkBinding.ObjectMeta,
TypeMeta: sinkBinding.TypeMeta,
Spec: sinkBinding.Spec.SourceSpec,
Status: sinkBinding.Status.SourceStatus,
})
}
}
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@pierDipi do you have any ideas how we could get the sources (& in the duckv1.Source struct) more easily? This process is rather manual, and would not detect any sources not in eventing core :(

@Cali0707
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This is WIP because I want feedback on the approach before adding unit tests

Signed-off-by: Calum Murray <cmurray@redhat.com>
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codecov bot commented May 13, 2024

Codecov Report

Attention: Patch coverage is 2.29885% with 85 lines in your changes are missing coverage. Please review.

Project coverage is 69.08%. Comparing base (7e1c082) to head (582ca21).
Report is 42 commits behind head on main.

Files Patch % Lines
pkg/graph/constructor.go 2.29% 85 Missing ⚠️
Additional details and impacted files
@@            Coverage Diff             @@
##             main    #7921      +/-   ##
==========================================
- Coverage   69.22%   69.08%   -0.14%     
==========================================
  Files         339      344       +5     
  Lines       19494    16069    -3425     
==========================================
- Hits        13494    11101    -2393     
+ Misses       5337     4286    -1051     
- Partials      663      682      +19     

☔ View full report in Codecov by Sentry.
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Event Lineage: Create Graph from Cluster Resources
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