fix(ctrl): use builtin command kill

The builder Pods may not have a /bin/kill command, but do have a builtin shell kill command available.

Closes apache#4241

e2e/commonwithcustominstall/builder_test.go

@@ -25,9 +25,11 @@ package commonwithcustominstall
 import (
 	"fmt"
 	"testing"
+	"time"
 
 	. "github.com/onsi/gomega"
 	corev1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 
 	. "github.com/apache/camel-k/v2/e2e/support"
 	v1 "github.com/apache/camel-k/v2/pkg/apis/camel/v1"
@@ -52,3 +54,43 @@ func TestBuilderPodFallback(t *testing.T) {
 		})
 	})
 }
+
+func TestBuilderTimeout(t *testing.T) {
+	WithNewTestNamespace(t, func(ns string) {
+		operatorID := fmt.Sprintf("camel-k-%s", ns)
+		Expect(KamelInstallWithID(operatorID, ns).Execute()).To(Succeed())
+		Eventually(OperatorPod(ns)).ShouldNot(BeNil())
+		Eventually(Platform(ns)).ShouldNot(BeNil())
+		Eventually(PlatformConditionStatus(ns, v1.IntegrationPlatformConditionReady), TestTimeoutShort).
+			Should(Equal(corev1.ConditionTrue))
+
+		pl := Platform(ns)()
+		// set a short timeout to simulate the build timeout
+		pl.Spec.Build.Timeout = &metav1.Duration{
+			Duration: 10 * time.Second,
+		}
+		TestClient().Update(TestContext, pl)
+		Eventually(Platform(ns)).ShouldNot(BeNil())
+		Eventually(PlatformTimeout(ns)).Should(Equal(
+			&metav1.Duration{
+				Duration: 10 * time.Second,
+			},
+		))
+
+		t.Run("run yaml", func(t *testing.T) {
+			name := "yaml"
+			Expect(KamelRunWithID(operatorID, ns, "files/yaml.yaml").Execute()).To(Succeed())
+			// As the build hits timeout, it keeps trying building
+			Eventually(IntegrationPhase(ns, name)).Should(Equal(v1.IntegrationPhaseBuildingKit))
+			integrationKitName := IntegrationKit(ns, name)()
+			builderKitName := fmt.Sprintf("camel-k-%s-builder", integrationKitName)
+			Eventually(BuilderPodPhase(ns, builderKitName)).Should(Equal(corev1.PodPending))
+			Eventually(BuildPhase(ns, integrationKitName)).Should(Equal(v1.BuildPhaseRunning))
+			// After a few minutes (5 max retries), this has to be in error state
+			Eventually(BuildPhase(ns, integrationKitName), TestTimeoutMedium).Should(Equal(v1.BuildPhaseError))
+			Eventually(IntegrationPhase(ns, name), TestTimeoutMedium).Should(Equal(v1.IntegrationPhaseError))
+			Eventually(BuildFailureRecovery(ns, integrationKitName), TestTimeoutMedium).Should(Equal(5))
+			Eventually(BuilderPodPhase(ns, builderKitName), TestTimeoutMedium).Should(Equal(corev1.PodFailed))
+		})
+	})
+}

e2e/support/test_support.go

@@ -1374,6 +1374,16 @@ func BuilderPod(ns string, name string) func() *corev1.Pod {
 	}
 }
 
+func BuilderPodPhase(ns string, name string) func() corev1.PodPhase {
+	return func() corev1.PodPhase {
+		pod := BuilderPod(ns, name)()
+		if pod == nil {
+			return ""
+		}
+		return pod.Status.Phase
+	}
+}
+
 func BuilderPodsCount(ns string) func() int {
 	return func() int {
 		lst := corev1.PodList{
@@ -1590,6 +1600,16 @@ func BuildPhase(ns, name string) func() v1.BuildPhase {
 	}
 }
 
+func BuildFailureRecovery(ns, name string) func() int {
+	return func() int {
+		build := Build(ns, name)()
+		if build != nil {
+			return build.Status.Failure.Recovery.Attempt
+		}
+		return 0
+	}
+}
+
 func HasPlatform(ns string) func() bool {
 	return func() bool {
 		lst := v1.NewIntegrationPlatformList()
@@ -1789,6 +1809,16 @@ func PlatformBuildCatalogToolTimeout(ns string) func() *metav1.Duration {
 	}
 }
 
+func PlatformTimeout(ns string) func() *metav1.Duration {
+	return func() *metav1.Duration {
+		p := Platform(ns)()
+		if p == nil {
+			return &metav1.Duration{}
+		}
+		return p.Status.Build.Timeout
+	}
+}
+
 func AssignPlatformToOperator(ns, operator string) error {
 	pl := Platform(ns)()
 	if pl == nil {

pkg/controller/build/monitor_pod.go

@@ -216,7 +216,7 @@ func (action *monitorPodAction) sigterm(pod *corev1.Pod) error {
 
 		r.VersionedParams(&corev1.PodExecOptions{
 			Container: container.Name,
-			Command:   []string{"kill", "-SIGTERM", "1"},
+			Command:   []string{"/bin/bash", "-c", "kill -SIGTERM 1"},
 			Stdout:    true,
 			Stderr:    true,
 			TTY:       false,