Add eventV2.BuildCancelled (#6365)

* Add eventV2.BuildCancelled

* conditionally send canceled events

* add output for canceled build

* use errors.Is()

Co-authored-by: Marlon Gamez <marlongamez98@gmail.com>

pkg/skaffold/build/scheduler.go

@@ -18,6 +18,7 @@ package build
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"io"
 	"strconv"
@@ -86,6 +87,7 @@ func (s *scheduler) build(ctx context.Context, tags tag.ImageTags, i int) error
 	if err != nil {
 		// `waitForDependencies` only returns `context.Canceled` error
 		event.BuildCanceled(a.ImageName)
+		eventV2.BuildCanceled(a.ImageName, err)
 		return err
 	}
 	release := s.concurrencySem.acquire()
@@ -112,7 +114,12 @@ func (s *scheduler) build(ctx context.Context, tags tag.ImageTags, i int) error
 	finalTag, err := performBuild(ctx, w, tags, a, s.artifactBuilder)
 	if err != nil {
 		event.BuildFailed(a.ImageName, err)
-		eventV2.BuildFailed(a.ImageName, err)
+		if errors.Is(ctx.Err(), context.Canceled) {
+			output.Yellow.Fprintf(w, "Canceled build for %s\n", a.ImageName)
+			eventV2.BuildCanceled(a.ImageName, err)
+		} else {
+			eventV2.BuildFailed(a.ImageName, err)
+		}
 		endTrace(instrumentation.TraceEndError(err))
 		return err
 	}

pkg/skaffold/event/v2/build.go

@@ -53,6 +53,10 @@ func BuildSucceeded(artifact string) {
 	buildSubtaskEvent(artifact, Build, Succeeded, nil)
 }
 
+func BuildCanceled(artifact string, err error) {
+	buildSubtaskEvent(artifact, Build, Canceled, err)
+}
+
 func buildSubtaskEvent(artifact, step, status string, err error) {
 	var aErr *proto.ActionableErr
 	if err != nil {