Use --prefix-name option for tkn clustertask start

docs/cmd/tkn_clustertask_start.md

@@ -38,6 +38,7 @@ like cat,foo,bar
   -o, --outputresource strings   pass the output resource name and ref as name=ref
   -p, --param stringArray        pass the param as key=value for string type, or key=value1,value2,... for array type
       --pod-template string      local or remote file containing a PodTemplate definition
+      --prefix-name string       specify a prefix for the TaskRun name (must be lowercase alphanumeric characters)
   -s, --serviceaccount string    pass the serviceaccount name
       --showlog                  show logs right after starting the ClusterTask
       --timeout string           timeout for TaskRun

docs/man/man1/tkn-clustertask-start.1

@@ -55,6 +55,10 @@ Start ClusterTasks
 \fB\-\-pod\-template\fP=""
     local or remote file containing a PodTemplate definition
 
+.PP
+\fB\-\-prefix\-name\fP=""
+    specify a prefix for the TaskRun name (must be lowercase alphanumeric characters)
+
 .PP
 \fB\-s\fP, \fB\-\-serviceaccount\fP=""
     pass the serviceaccount name

pkg/cmd/clustertask/start.go

@@ -66,6 +66,7 @@ type startOptions struct {
 	TimeOut            string
 	DryRun             bool
 	Output             string
+	PrefixName         string
 	Workspaces         []string
 	UseParamDefaults   bool
 	clustertask        *v1beta1.ClusterTask
@@ -169,6 +170,7 @@ like cat,foo,bar
 	c.Flags().StringVar(&opt.TimeOut, "timeout", "", "timeout for TaskRun")
 	c.Flags().BoolVarP(&opt.DryRun, "dry-run", "", false, "preview TaskRun without running it")
 	c.Flags().StringVarP(&opt.Output, "output", "", "", "format of TaskRun dry-run (yaml or json)")
+	c.Flags().StringVarP(&opt.PrefixName, "prefix-name", "", "", "specify a prefix for the TaskRun name (must be lowercase alphanumeric characters)")
 	c.Flags().StringVar(&opt.PodTemplate, "pod-template", "", "local or remote file containing a PodTemplate definition")
 	c.Flags().BoolVar(&opt.UseParamDefaults, "use-param-defaults", false, "use default parameter values without prompting for input")
 
@@ -211,7 +213,11 @@ func startClusterTask(opt startOptions, args []string) error {
 		tr.Spec.Timeout = &metav1.Duration{Duration: timeoutDuration}
 	}
 
-	tr.ObjectMeta.GenerateName = ctname + "-run-"
+	if opt.PrefixName == "" {
+		tr.ObjectMeta.GenerateName = ctname + "-run-"
+	} else {
+		tr.ObjectMeta.GenerateName = opt.PrefixName + "-"
+	}
 
 	// TaskRuns are namespaced so using same LastRun method as Task
 	if opt.Last {

pkg/cmd/clustertask/start_test.go

@@ -791,6 +791,41 @@ func Test_ClusterTask_Start(t *testing.T) {
 			wantError:   true,
 			want:        "cannot use --last with --use-param-defaults option",
 		},
+		{
+			name: "Dry Run with --prefix-name",
+			command: []string{"start", "clustertask-3",
+				"-i", "my-repo=git",
+				"-i", "my-image=image",
+				"-p", "myarg=value1",
+				"-p", "print=boom,boom",
+				"-l", "key=value",
+				"-o", "code-image=output-image",
+				"-w", "name=test,emptyDir=",
+				"-s=svc1",
+				"--dry-run",
+				"--prefix-name", "customname"},
+			dynamic:     seeds[6].dynamicClient,
+			input:       seeds[6].pipelineClient,
+			inputStream: nil,
+			wantError:   false,
+			goldenFile:  true,
+		},
+		{
+			name: "Dry Run with --prefix-name and --last",
+			command: []string{"start", "clustertask-1",
+				"-i", "my-repo=git",
+				"-o", "code-image=output-image",
+				"-l", "key=value",
+				"-s=svc1",
+				"--dry-run",
+				"--last",
+				"--prefix-name", "customname"},
+			dynamic:     seeds[1].dynamicClient,
+			input:       seeds[1].pipelineClient,
+			inputStream: nil,
+			wantError:   false,
+			goldenFile:  true,
+		},
 	}
 
 	for _, tp := range testParams {
@@ -1456,6 +1491,41 @@ func Test_ClusterTask_Start_v1beta1(t *testing.T) {
 			wantError:   true,
 			want:        "cannot use --last with --use-param-defaults option",
 		},
+		{
+			name: "Dry Run with --prefix-name v1beta1",
+			command: []string{"start", "clustertask-3",
+				"-i", "my-repo=git",
+				"-i", "my-image=image",
+				"-p", "myarg=value1",
+				"-p", "print=boom",
+				"-l", "key=value",
+				"-o", "code-image=output-image",
+				"-w", "name=test,emptyDir=",
+				"-s=svc1",
+				"--dry-run",
+				"--prefix-name", "customname"},
+			dynamic:     seeds[5].dynamicClient,
+			input:       seeds[5].pipelineClient,
+			inputStream: nil,
+			wantError:   false,
+			goldenFile:  true,
+		},
+		{
+			name: "Dry Run with --prefix-name and --last v1beta1",
+			command: []string{"start", "clustertask-1",
+				"-i", "my-repo=git",
+				"-o", "code-image=output-image",
+				"-l", "key=value",
+				"-s=svc1",
+				"--dry-run",
+				"--last",
+				"--prefix-name", "customname"},
+			dynamic:     seeds[1].dynamicClient,
+			input:       seeds[1].pipelineClient,
+			inputStream: nil,
+			wantError:   false,
+			goldenFile:  true,
+		},
 	}
 
 	for _, tp := range testParams {

pkg/cmd/clustertask/testdata/Test_ClusterTask_Start-Dry_Run_with_--prefix-name.golden

@@ -0,0 +1,37 @@
+apiVersion: tekton.dev/v1alpha1
+kind: TaskRun
+metadata:
+  creationTimestamp: null
+  generateName: customname-
+  labels:
+    key: value
+spec:
+  inputs:
+    params:
+    - name: myarg
+      value: value1
+    - name: print
+      value:
+      - boom
+      - boom
+    resources:
+    - name: my-image
+      resourceRef:
+        name: image
+    - name: my-repo
+      resourceRef:
+        name: git
+  outputs:
+    resources:
+    - name: code-image
+      resourceRef:
+        name: output-image
+  serviceAccountName: svc1
+  taskRef:
+    kind: ClusterTask
+    name: clustertask-3
+  workspaces:
+  - emptyDir: {}
+    name: test
+status:
+  podName: ""

pkg/cmd/clustertask/testdata/Test_ClusterTask_Start-Dry_Run_with_--prefix-name_and_--last.golden

@@ -0,0 +1,39 @@
+apiVersion: tekton.dev/v1alpha1
+kind: TaskRun
+metadata:
+  creationTimestamp: null
+  generateName: customname-
+  labels:
+    key: value
+spec:
+  inputs:
+    params:
+    - name: myarg
+      value: value
+    - name: print
+      value:
+      - booms
+      - booms
+      - booms
+    resources:
+    - name: my-repo
+      resourceRef:
+        name: git
+  outputs:
+    resources:
+    - name: code-image
+      resourceRef:
+        name: output-image
+    - name: my-image
+      resourceRef:
+        name: image
+  serviceAccountName: svc1
+  taskRef:
+    kind: ClusterTask
+    name: clustertask-1
+  timeout: 1h0m0s
+  workspaces:
+  - emptyDir: {}
+    name: test
+status:
+  podName: ""

pkg/cmd/clustertask/testdata/Test_ClusterTask_Start_v1beta1-Dry_Run_with_--prefix-name_and_--last_v1beta1.golden

@@ -0,0 +1,34 @@
+apiVersion: tekton.dev/v1beta1
+kind: TaskRun
+metadata:
+  creationTimestamp: null
+  generateName: customname-
+  labels:
+    key: value
+spec:
+  params:
+  - name: myarg
+    value: value
+  - name: print
+    value:
+    - booms
+    - booms
+    - booms
+  resources:
+    inputs:
+    - name: my-repo
+      resourceRef:
+        name: git
+    outputs:
+    - name: code-image
+      resourceRef:
+        name: output-image
+  serviceAccountName: svc1
+  taskRef:
+    kind: ClusterTask
+    name: clustertask-1
+  workspaces:
+  - emptyDir: {}
+    name: test
+status:
+  podName: ""

pkg/cmd/clustertask/testdata/Test_ClusterTask_Start_v1beta1-Dry_Run_with_--prefix-name_v1beta1.golden

@@ -0,0 +1,35 @@
+apiVersion: tekton.dev/v1beta1
+kind: TaskRun
+metadata:
+  creationTimestamp: null
+  generateName: customname-
+  labels:
+    key: value
+spec:
+  params:
+  - name: myarg
+    value: value1
+  - name: print
+    value:
+    - boom
+  resources:
+    inputs:
+    - name: my-image
+      resourceRef:
+        name: image
+    - name: my-repo
+      resourceRef:
+        name: git
+    outputs:
+    - name: code-image
+      resourceRef:
+        name: output-image
+  serviceAccountName: svc1
+  taskRef:
+    kind: ClusterTask
+    name: clustertask-3
+  workspaces:
+  - emptyDir: {}
+    name: test
+status:
+  podName: ""