Allow creating v1beta1 resources

- Update examples to use v1beta1 by default.
- Add an explicit v1alpha1 example.
- Use v1beta1 Pipeline types for Params and tests.

Fixes #481

Signed-off-by: Dibyo Mukherjee <dibyo@google.com>

docs/getting-started/ingress-run.yaml

@@ -1,12 +1,11 @@
-apiVersion: tekton.dev/v1alpha1
+apiVersion: tekton.dev/v1beta1
 kind: TaskRun
 metadata:
   name: create-ingress-run
   namespace: getting-started
 spec:
   taskRef:
     name: create-ingress
-  inputs:
     params:
     - name: CreateCertificate
       value: "true"

docs/getting-started/pipeline.yaml

@@ -5,7 +5,7 @@
 # - source is built into an image by img
 # - image output is pushed to ECR
 # - cloudevent emitted
-apiVersion: tekton.dev/v1alpha1
+apiVersion: tekton.dev/v1beta1
 kind: Pipeline
 metadata:
   name: getting-started-pipeline
@@ -50,18 +50,17 @@ spec:
           - name: event-to-sink
             resource: event-to-sink
 ---
-apiVersion: tekton.dev/v1alpha1
+apiVersion: tekton.dev/v1beta1
 kind: Task
 metadata:
   name: deploy-locally
   namespace: getting-started
 spec:
-  inputs:
-    resources:
+  resources:
+    inputs:
       - name: image-source
         type: image
-  outputs:
-    resources:
+    outputs:
     - name: event-to-sink
       type: cloudEvent
   steps:
@@ -72,26 +71,25 @@ spec:
         - "run"
         - "tekton-triggers-built-me"
         - "--image"
-        - "${inputs.resources.image-source.url}"
+        - "${resources.inputs.image-source.url}"
         - "--env=PORT=8080"
 ---
-apiVersion: tekton.dev/v1alpha1
+apiVersion: tekton.dev/v1beta1
 kind: Task
 metadata:
   name: build-docker-image
   namespace: getting-started
 spec:
-  inputs:
-    resources:
+  params:
+  - name: pathToContext
+    description:
+      The build directory used by img
+    default: /workspace/source-repo
+  resources:
+    inputs:
       - name: source-repo
         type: git
-    params:
-      - name: pathToContext
-        description:
-          The build directory used by img
-        default: /workspace/source-repo
-  outputs:
-    resources:
+    outputs:
       - name: builtImage
         type: image
   steps:
@@ -102,9 +100,9 @@ spec:
       args:
         - build
         - -t
-        - "${outputs.resources.builtImage.url}"
+        - "$(resources.outputs.builtImage.url)"
         - --no-cache
-        - "${inputs.params.pathToContext}"
+        - "$(params.pathToContext)"
 ---
 apiVersion: tekton.dev/v1alpha1
 kind: Condition
@@ -118,7 +116,7 @@ spec:
   check:
     image: golang
     command: ["go"]
-    args: ['test', "$(inputs.resources.source-repo.path)/..."]
+    args: ['test', "$(resources.source-repo.path)/..."]
 ---
 # Finally, we need something to receive our cloudevent announcing success!
 # That is this services only purpose

docs/getting-started/webhook-run.yaml

@@ -1,12 +1,11 @@
-apiVersion: tekton.dev/v1alpha1
+apiVersion: tekton.dev/v1beta1
 kind: TaskRun
 metadata:
   name: create-webhook-run
   namespace: getting-started
 spec:
   taskRef:
     name: create-webhook
-  inputs:
     params:
     - name: GitHubOrg
       value: "iancoffey"

docs/triggertemplates.md

@@ -24,7 +24,7 @@ spec:
   - name: contenttype
     description: The Content-Type of the event
   resourcetemplates:
-  - apiVersion: tekton.dev/v1alpha1
+  - apiVersion: tekton.dev/v1beta1
     kind: PipelineRun
     metadata:
       generateName: simple-pipeline-run-

examples/example-pipeline.yaml

@@ -1,51 +1,51 @@
-apiVersion: tekton.dev/v1alpha1
+apiVersion: tekton.dev/v1beta1
 kind: Task
 metadata:
   name: say-hello
 spec:
-  inputs:
-    params:
-    - name: contenttype
-      description: The Content-Type of the event
-      type: string
-    resources:
+  params:
+  - name: contenttype
+    description: The Content-Type of the event
+    type: string
+  resources:
+    inputs:
       - name: git-source
         type: git
   steps:
   - name: say-hi
     image: bash
     command: ["bash", "-c"]
     args:
-      - echo -e 'Hello Triggers!\nContent-Type is $(inputs.params.contenttype)'
+      - echo -e 'Hello Triggers!\nContent-Type is $(params.contenttype)'
 ---
-apiVersion: tekton.dev/v1alpha1
+apiVersion: tekton.dev/v1beta1
 kind: Task
 metadata:
   name: say-message
 spec:
-  inputs:
-    params:
-    - name: message
-      description: The message to print
-      default: This is the default message
-      type: string
-    resources:
+  params:
+  - name: message
+    description: The message to print
+    default: This is the default message
+    type: string
+  resources:
+    inputs:
     - name: git-source
       type: git
   steps:
   - name: say-message
     image: bash
     command: ["bash", "-c"]
     args:
-      - echo '$(inputs.params.message)'
+      - echo '$(params.message)'
 ---
-apiVersion: tekton.dev/v1alpha1
+apiVersion: tekton.dev/v1beta1
 kind: Task
 metadata:
   name: say-bye
 spec:
-  inputs:
-    resources:
+  resources:
+    inputs:
     - name: git-source
       type: git
   steps:
@@ -55,7 +55,7 @@ spec:
     args:
     - echo 'Goodbye Triggers!'
 ---
-apiVersion: tekton.dev/v1alpha1
+apiVersion: tekton.dev/v1beta1
 kind: Pipeline
 metadata:
   name: simple-pipeline
@@ -100,4 +100,4 @@ spec:
     resources:
       inputs:
       - name: git-source
-        resource: git-source
+        resource: git-source

examples/triggertemplates/triggertemplate.yaml

@@ -15,7 +15,7 @@ spec:
   - name: contenttype
     description: The Content-Type of the event
   resourcetemplates:
-  - apiVersion: tekton.dev/v1alpha1
+  - apiVersion: tekton.dev/v1beta1
     kind: PipelineRun
     metadata:
       generateName: simple-pipeline-run-

examples/v1alpha1-task/README.md

@@ -0,0 +1,47 @@
+## v1alpha1 Task EventListener
+
+Creates an EventListener that creates a v1alpha1 TaskRun.
+
+### Try it out locally:
+
+1. Create the service account:
+
+   ```shell script
+   kubectl apply -f examples/role-resources/triggerbinding-roles
+   kubectl apply -f examples/role-resources/
+   ```
+
+1. Create the v1alpha1 EventListener:
+
+   ```shell script
+   kubectl apply -f examples/v1alpha1-task/v1alpha1-task-listener.yaml
+   ```
+
+1. Port forward:
+
+   ```shell script
+   kubectl port-forward \
+    "$(kubectl get pod --selector=eventlistener=v1alpha1-task-listener -oname)" \
+     8080
+   ```
+
+   **Note**: Instead of port forwarding, you can set the
+   [`serviceType`](https://github.com/tektoncd/triggers/blob/master/docs/eventlisteners.md#serviceType)
+   to `LoadBalancer` to expose the EventListener with a public IP.
+
+1. Test by sending the sample payload.
+
+   ```shell script
+   curl -v \
+   -H 'Content-Type: application/json' \
+   --data "{}" \
+   http://localhost:8080
+   ```
+
+   The response status code should be `201 Created`
+
+1. You should see a new TaskRun that got created:
+
+   ```shell script
+   kubectl get taskruns | grep v1alpha1-task-run-
+   ```

examples/v1alpha1-task/v1alpha1-task-listener.yaml

@@ -0,0 +1,29 @@
+---
+apiVersion: tekton.dev/v1alpha1
+kind: TriggerTemplate
+metadata:
+  name: v1alpha1-task-template
+spec:
+  resourcetemplates:
+  - apiVersion: tekton.dev/v1alpha1
+    kind: TaskRun
+    metadata:
+      generateName: v1alpha1-task-run-
+    spec:
+      taskSpec:
+        steps:
+        - name: "hellothere"
+          image: ubuntu
+          script: echo "hello there"
+---
+apiVersion: tekton.dev/v1alpha1
+kind: EventListener
+metadata:
+  name: v1alpha1-task-listener
+spec:
+  # from examples/role-resources/servicaccount.yaml
+  serviceAccountName: tekton-triggers-example-sa
+  triggers:
+    - name: v1alpha1-task-trigger
+      template:
+        name: v1alpha1-task-template

pkg/apis/triggers/v1alpha1/event_listener_types.go

@@ -19,7 +19,7 @@ package v1alpha1
 import (
 	"fmt"
 
-	pipelinev1 "github.com/tektoncd/pipeline/pkg/apis/pipeline/v1alpha1"
+	pipelinev1 "github.com/tektoncd/pipeline/pkg/apis/pipeline/v1beta1"
 	appsv1 "k8s.io/api/apps/v1"
 	corev1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"

pkg/apis/triggers/v1alpha1/event_listener_validation.go

@@ -21,7 +21,7 @@ import (
 	"fmt"
 	"net/http"
 
-	pipelinev1 "github.com/tektoncd/pipeline/pkg/apis/pipeline/v1alpha1"
+	pipelinev1 "github.com/tektoncd/pipeline/pkg/apis/pipeline/v1beta1"
 	"k8s.io/apimachinery/pkg/util/validation"
 	"knative.dev/pkg/apis"
 )

pkg/apis/triggers/v1alpha1/trigger_binding_types.go

@@ -17,7 +17,7 @@ limitations under the License.
 package v1alpha1
 
 import (
-	pipelinev1 "github.com/tektoncd/pipeline/pkg/apis/pipeline/v1alpha1"
+	pipelinev1 "github.com/tektoncd/pipeline/pkg/apis/pipeline/v1beta1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"knative.dev/pkg/apis"
 )

pkg/apis/triggers/v1alpha1/trigger_binding_validation.go

@@ -19,7 +19,7 @@ package v1alpha1
 import (
 	"context"
 
-	"github.com/tektoncd/pipeline/pkg/apis/pipeline/v1alpha1"
+	"github.com/tektoncd/pipeline/pkg/apis/pipeline/v1beta1"
 	"knative.dev/pkg/apis"
 )
 
@@ -36,7 +36,7 @@ func (s *TriggerBindingSpec) Validate(ctx context.Context) *apis.FieldError {
 	return nil
 }
 
-func validateParams(params []v1alpha1.Param) *apis.FieldError {
+func validateParams(params []v1beta1.Param) *apis.FieldError {
 	// Ensure there aren't multiple params with the same name.
 	seen := map[string]struct{}{}
 	for _, param := range params {

pkg/apis/triggers/v1alpha1/trigger_template_types.go

@@ -17,7 +17,8 @@ limitations under the License.
 package v1alpha1
 
 import (
-	pipelinev1 "github.com/tektoncd/pipeline/pkg/apis/pipeline/v1alpha1"
+	pipelinev1alpha1 "github.com/tektoncd/pipeline/pkg/apis/pipeline/v1alpha1"
+	pipelinev1beta1 "github.com/tektoncd/pipeline/pkg/apis/pipeline/v1beta1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/runtime/serializer"
@@ -33,15 +34,19 @@ var Decoder runtime.Decoder
 
 func init() {
 	scheme := runtime.NewScheme()
-	utilruntime.Must(pipelinev1.AddToScheme(scheme))
+	utilruntime.Must(pipelinev1alpha1.AddToScheme(scheme))
+	utilruntime.Must(pipelinev1beta1.AddToScheme(scheme))
 	codec := serializer.NewCodecFactory(scheme)
-	Decoder = codec.UniversalDecoder(pipelinev1.SchemeGroupVersion)
+	Decoder = codec.UniversalDecoder(
+		pipelinev1alpha1.SchemeGroupVersion,
+		pipelinev1beta1.SchemeGroupVersion,
+	)
 }
 
 // TriggerTemplateSpec holds the desired state of TriggerTemplate
 type TriggerTemplateSpec struct {
-	Params            []pipelinev1.ParamSpec    `json:"params,omitempty"`
-	ResourceTemplates []TriggerResourceTemplate `json:"resourcetemplates,omitempty"`
+	Params            []pipelinev1beta1.ParamSpec `json:"params,omitempty"`
+	ResourceTemplates []TriggerResourceTemplate   `json:"resourcetemplates,omitempty"`
 }
 
 // TriggerResourceTemplate describes a resource to create

pkg/apis/triggers/v1alpha1/trigger_template_validation.go

@@ -22,7 +22,7 @@ import (
 	"regexp"
 	"strings"
 
-	pipelinev1 "github.com/tektoncd/pipeline/pkg/apis/pipeline/v1alpha1"
+	pipelinev1 "github.com/tektoncd/pipeline/pkg/apis/pipeline/v1beta1"
 	"github.com/tektoncd/pipeline/pkg/apis/validate"
 	"k8s.io/apimachinery/pkg/api/equality"
 	"k8s.io/apimachinery/pkg/runtime"