Auto-update dependencies (#166)

Produced via:
  `dep ensure -update knative.dev/test-infra knative.dev/pkg`
/assign n3wscott
/cc n3wscott

Gopkg.lock

@@ -931,7 +931,7 @@
 
 [[projects]]
   branch = "master"
-  digest = "1:2a1f47dba842efe06d9fa10c0323f7b8f39a6b6e86e944a40668679f102f413e"
+  digest = "1:72ffa7ccc391446c34d98ce804c523c164c4979f8bd774e5c826348fb8b59970"
   name = "knative.dev/pkg"
   packages = [
     "apis",
@@ -950,7 +950,7 @@
     "metrics/metricskey",
   ]
   pruneopts = "T"
-  revision = "0094d3a89242cddcd8532df4632fb619b2d7da09"
+  revision = "e73c8084c2670725d3d9aefb2e1479870d5c36d3"
 
 [[projects]]
   branch = "master"
@@ -961,7 +961,7 @@
     "tools/dep-collector",
   ]
   pruneopts = "UT"
-  revision = "9ea943f31f1b149ab3f853f228e6fb7e59ba9a59"
+  revision = "935a8f052a483d4a1b1bebe2c80235d6867a8d91"
 
 [[projects]]
   digest = "1:8730e0150dfb2b7e173890c8b9868e7a273082ef8e39f4940e3506a481cf895c"

vendor/knative.dev/pkg/kmeta/names.go

@@ -54,7 +54,7 @@ func ChildName(parent, suffix string) string {
 			if d := longest - len(ret); d > 0 {
 				ret += suffix[:d]
 			}
-			// If due to trumming above we're terminating the string with a `-`,
+			// If due to trimming above we're terminating the string with a `-`,
 			// remove it.
 			return strings.TrimRight(ret, "-")
 		}

vendor/knative.dev/pkg/test/gke/request.go

@@ -52,6 +52,10 @@ type Request struct {
 
 	// Addons: cluster addons to be added to cluster, such as istio
 	Addons []string
+
+	// EnableWorkloadIdentity: whether to enable Workload Identity -
+	// https://cloud.google.com/kubernetes-engine/docs/how-to/workload-identity or not
+	EnableWorkloadIdentity bool
 }
 
 // DeepCopy will make a deepcopy of the request struct.
@@ -66,6 +70,7 @@ func (r *Request) DeepCopy() *Request {
 		Region:                 r.Region,
 		Zone:                   r.Zone,
 		Addons:                 r.Addons,
+		EnableWorkloadIdentity: r.EnableWorkloadIdentity,
 	}
 }
 
@@ -83,12 +88,15 @@ func NewCreateClusterRequest(request *Request) (*container.CreateClusterRequest,
 	if request.NodeType == "" {
 		return nil, errors.New("node type cannot be empty")
 	}
+	if request.EnableWorkloadIdentity && request.Project == "" {
+		return nil, errors.New("project cannot be empty if you want Workload Identity")
+	}
 
 	if request.GKEVersion == "" {
 		request.GKEVersion = defaultGKEVersion
 	}
 
-	return &container.CreateClusterRequest{
+	ccr := &container.CreateClusterRequest{
 		Cluster: &container.Cluster{
 			NodePools: []*container.NodePool{
 				{
@@ -118,5 +126,14 @@ func NewCreateClusterRequest(request *Request) (*container.CreateClusterRequest,
 			// automatically generated by GKE SDK
 			MasterAuth: &container.MasterAuth{Username: "admin"},
 		},
-	}, nil
+	}
+	if request.EnableWorkloadIdentity {
+		// Equivalent to --identity-namespace=[PROJECT_ID].svc.id.goog, then
+		// we can configure a Kubernetes service account to act as a Google
+		// service account.
+		ccr.Cluster.WorkloadIdentityConfig = &container.WorkloadIdentityConfig{
+			IdentityNamespace: request.Project + ".svc.id.goog",
+		}
+	}
+	return ccr, nil
 }

vendor/knative.dev/pkg/testutils/clustermanager/perf-tests/pkg/cluster.go

@@ -230,11 +230,15 @@ func (gc *gkeClient) createClusterWithRetries(gcpProject, name string, config Cl
 		addons = strings.Split(config.Addons, ",")
 	}
 	req := &gke.Request{
+		Project:     gcpProject,
 		ClusterName: name,
 		MinNodes:    config.NodeCount,
 		MaxNodes:    config.NodeCount,
 		NodeType:    config.NodeType,
 		Addons:      addons,
+		// Enable Workload Identity for performance tests because we need to use a Kubernetes service account to act
+		// as a Google cloud service account, which is then used for authentication to the metrics data storage system.
+		EnableWorkloadIdentity: true,
 	}
 	creq, err := gke.NewCreateClusterRequest(req)
 	if err != nil {