Fix the check in IsDeploymentAvailable function.

modules/k8s/deployment.go

@@ -98,11 +98,13 @@ func WaitUntilDeploymentAvailableE(
 
 // IsDeploymentAvailable returns true if all pods within the deployment are ready and started
 func IsDeploymentAvailable(deploy *appsv1.Deployment) bool {
-	availableType := 0
-
-	if deploy.Status.UnavailableReplicas > 0 {
-		return false
+	for _, dc := range deploy.Status.Conditions {
+		if dc.Type == appsv1.DeploymentProgressing &&
+			dc.Status == v1.ConditionTrue &&
+			dc.Reason == "NewReplicaSetAvailable" {
+			return true
+		}
 	}
 
-	return deploy.Status.Conditions[availableType].Status == v1.ConditionTrue
+	return false
 }

modules/k8s/deployment_test.go

@@ -18,7 +18,8 @@ import (
 
 	"github.com/gruntwork-io/terratest/modules/random"
 	"github.com/stretchr/testify/require"
-	v1 "k8s.io/api/apps/v1"
+	appsv1 "k8s.io/api/apps/v1"
+	v1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 )
 
@@ -76,36 +77,38 @@ func TestWaitUntilDeploymentAvailable(t *testing.T) {
 func TestTestIsDeploymentAvailable(t *testing.T) {
 	testCases := []struct {
 		title          string
-		deploy         *v1.Deployment
+		deploy         *appsv1.Deployment
 		expectedResult bool
 	}{
 		{
-			title: "TestIsDeploymentAvailableReadyButWithUnavailableReplicas",
-			deploy: &v1.Deployment{
-				Status: v1.DeploymentStatus{
-					UnavailableReplicas: 1,
-					Conditions: []v1.DeploymentCondition{
+			title: "TestIsDeploymentAvailableWithProgressingNewReplicaSetAvailable",
+			deploy: &appsv1.Deployment{
+				Status: appsv1.DeploymentStatus{
+					Conditions: []appsv1.DeploymentCondition{
 						{
-							Status: "True",
+							Type:   appsv1.DeploymentProgressing,
+							Status: v1.ConditionTrue,
+							Reason: "NewReplicaSetAvailable",
 						},
 					},
 				},
 			},
-			expectedResult: false,
+			expectedResult: true,
 		},
 		{
-			title: "TestIsDeploymentAvailableReadyButWithoutUnavailableReplicas",
-			deploy: &v1.Deployment{
-				Status: v1.DeploymentStatus{
-					UnavailableReplicas: 0,
-					Conditions: []v1.DeploymentCondition{
+			title: "TestIsDeploymentAvailableWithoutProgressingNewReplicaSetAvailable",
+			deploy: &appsv1.Deployment{
+				Status: appsv1.DeploymentStatus{
+					Conditions: []appsv1.DeploymentCondition{
 						{
-							Status: "True",
+							Type:   appsv1.DeploymentProgressing,
+							Status: v1.ConditionTrue,
+							Reason: "ReplicaSetUpdated",
 						},
 					},
 				},
 			},
-			expectedResult: true,
+			expectedResult: false,
 		},
 	}