tc000242_bad_health_checks_test.go

package controllers

import (
	"context"
	"testing"
	"time"

	sourcev1 "github.com/fluxcd/source-controller/api/v1beta1"
	. "github.com/onsi/gomega"
	infrav1 "github.com/weaveworks/tf-controller/api/v1alpha1"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/apimachinery/pkg/types"
)

// +kubebuilder:docs-gen:collapse=Imports

func Test_000242_bad_healt_checks_test(t *testing.T) {
	Spec("This spec describes behaviour when health checks are specified")

	const (
		sourceName    = "health-check-bad"
		terraformName = "tf-health-check-bad"
	)

	g := NewWithT(t)
	ctx := context.Background()
	updatedTime := time.Now()

	It("should do health checks")
	By("creating a new Git repository object")
	testRepo := sourcev1.GitRepository{
		ObjectMeta: metav1.ObjectMeta{
			Name:      sourceName,
			Namespace: "flux-system",
		},
		Spec: sourcev1.GitRepositorySpec{
			URL: "https://github.com/openshift-fluxv2-poc/podinfo",
			Reference: &sourcev1.GitRepositoryRef{
				Branch: "master",
			},
			Interval:          metav1.Duration{Duration: time.Second * 30},
			GitImplementation: "go-git",
		},
	}
	g.Expect(k8sClient.Create(ctx, &testRepo)).Should(Succeed())

	By("setting the git repo status object, the URL, and the correct checksum")
	testRepo.Status = sourcev1.GitRepositoryStatus{
		ObservedGeneration: int64(1),
		Conditions: []metav1.Condition{
			{
				Type:               "Ready",
				Status:             metav1.ConditionTrue,
				LastTransitionTime: metav1.Time{Time: updatedTime},
				Reason:             "GitOperationSucceed",
				Message:            "Fetched revision: master/b8e362c206e3d0cbb7ed22ced771a0056455a2fb",
			},
		},
		URL: server.URL() + "/tf-health-check.tar.gz",
		Artifact: &sourcev1.Artifact{
			Path:           "gitrepository/flux-system/test-tf-controller/b8e362c206e3d0cbb7ed22ced771a0056455a2fb.tar.gz",
			URL:            server.URL() + "/tf-health-check.tar.gz",
			Revision:       "master/b8e362c206e3d0cbb7ed22ced771a0056455a2fb",
			Checksum:       "84b1410341b0e87d811bb1b812741e84a74ea00db851f88fd0855589b5093d14", // must be the real checksum value
			LastUpdateTime: metav1.Time{Time: updatedTime},
		},
	}
	g.Expect(k8sClient.Status().Update(ctx, &testRepo)).Should(Succeed())

	By("checking that the status and its URL gets reconciled")
	gitRepoKey := types.NamespacedName{Namespace: "flux-system", Name: sourceName}
	createdRepo := sourcev1.GitRepository{}
	g.Expect(k8sClient.Get(ctx, gitRepoKey, &createdRepo)).Should(Succeed())

	By("creating a new TF and attaching to the repo, with approve plan set to auto and health checks defined")
	testEnvKubeConfigPath, err := findKubeConfig(testEnv)
	g.Expect(err).Should(BeNil())

	inClusterConfig := false
	healthCheckTF := infrav1.Terraform{
		ObjectMeta: metav1.ObjectMeta{
			Name:      terraformName,
			Namespace: "flux-system",
		},
		Spec: infrav1.TerraformSpec{
			Interval:    metav1.Duration{Duration: time.Second * 5},
			ApprovePlan: "auto",
			Path:        "./tf-health-check-example",
			BackendConfig: &infrav1.BackendConfigSpec{
				SecretSuffix:    terraformName,
				InClusterConfig: &inClusterConfig,
				ConfigPath:      testEnvKubeConfigPath,
			},
			SourceRef: infrav1.CrossNamespaceSourceReference{
				Kind:      "GitRepository",
				Name:      sourceName,
				Namespace: "flux-system",
			},
			HealthChecks: []infrav1.HealthCheck{
				{
					Name:    "tcpTestBadPort",
					Address: "{{.foo}}:81",
					Type:    "tcp",
				},
			},
			WriteOutputsToSecret: &infrav1.WriteOutputsToSecretSpec{
				Name: "tf-output-" + terraformName,
			},
		},
	}
	g.Expect(k8sClient.Create(ctx, &healthCheckTF)).Should(Succeed())

	By("checking that the health check example TF gets created")
	healthCheckTFKey := types.NamespacedName{Namespace: "flux-system", Name: terraformName}
	createdhealthCheckTF := infrav1.Terraform{}
	g.Eventually(func() bool {
		err := k8sClient.Get(ctx, healthCheckTFKey, &createdhealthCheckTF)
		if err != nil {
			return false
		}
		return true
	}, timeout, interval).Should(BeTrue())

	By("checking that the health checks should fail")
	g.Eventually(func() map[string]interface{} {
		err := k8sClient.Get(ctx, healthCheckTFKey, &createdhealthCheckTF)
		if err != nil {
			return nil
		}
		for _, c := range createdhealthCheckTF.Status.Conditions {
			if c.Type == "HealthCheck" {
				return map[string]interface{}{
					"Type":   c.Type,
					"Reason": c.Reason,
				}
			}
		}
		return nil
	}, timeout, interval).Should(Equal(map[string]interface{}{
		"Type":   "HealthCheck",
		"Reason": "HealthChecksFailed",
	}))

	healthCheckTF2 := infrav1.Terraform{
		ObjectMeta: metav1.ObjectMeta{
			Name:      terraformName + "2",
			Namespace: "flux-system",
		},
		Spec: infrav1.TerraformSpec{
			Interval:    metav1.Duration{Duration: time.Second * 5},
			ApprovePlan: "auto",
			Path:        "./tf-health-check-example",
			BackendConfig: &infrav1.BackendConfigSpec{
				SecretSuffix:    terraformName + "2",
				InClusterConfig: &inClusterConfig,
				ConfigPath:      testEnvKubeConfigPath,
			},
			SourceRef: infrav1.CrossNamespaceSourceReference{
				Kind:      "GitRepository",
				Name:      sourceName,
				Namespace: "flux-system",
			},
			HealthChecks: []infrav1.HealthCheck{
				{
					Name:    "httpTestBadUrl",
					URL:     server.URL() + "/something-else",
					Type:    "http",
					Timeout: &metav1.Duration{Duration: time.Second * 5},
				},
			},
			WriteOutputsToSecret: &infrav1.WriteOutputsToSecretSpec{
				Name: "tf-output-" + terraformName,
			},
		},
	}
	g.Expect(k8sClient.Create(ctx, &healthCheckTF2)).Should(Succeed())

	By("checking that the health check example TF 2 gets created")
	healthCheckTFKey2 := types.NamespacedName{Namespace: "flux-system", Name: terraformName}
	createdhealthCheckTF2 := infrav1.Terraform{}
	g.Eventually(func() bool {
		err := k8sClient.Get(ctx, healthCheckTFKey2, &createdhealthCheckTF2)
		if err != nil {
			return false
		}
		return true
	}, timeout, interval).Should(BeTrue())

	By("checking that the health checks example 2 should fail")
	g.Eventually(func() map[string]interface{} {
		err := k8sClient.Get(ctx, healthCheckTFKey2, &createdhealthCheckTF2)
		if err != nil {
			return nil
		}
		for _, c := range createdhealthCheckTF2.Status.Conditions {
			if c.Type == "HealthCheck" {
				return map[string]interface{}{
					"Type":   c.Type,
					"Reason": c.Reason,
				}
			}
		}
		return nil
	}, timeout, interval).Should(Equal(map[string]interface{}{
		"Type":   "HealthCheck",
		"Reason": "HealthChecksFailed",
	}))
}