channel

Documentation

Overview

Example (Full)

package main

import (
	"embed"
	"os"

	testlog "knative.dev/reconciler-test/pkg/logging"
	"knative.dev/reconciler-test/pkg/manifest"
)

//go:embed *.yaml
var yaml embed.FS

func main() {
	ctx := testlog.NewContext()
	images := map[string]string{}
	cfg := map[string]interface{}{
		"name":      "foo",
		"namespace": "bar",
		"channelTemplate": map[string]interface{}{
			"apiVersion": "channelimpl/v1",
			"kind":       "mychannel",
			"spec": map[string]string{
				"thing1": "value1",
				"thing2": "value2",
			},
		},
		"delivery": map[string]interface{}{
			"retry":         "42",
			"backoffPolicy": "exponential",
			"backoffDelay":  "2007-03-01T13:00:00Z/P1Y2M10DT2H30M",
			"deadLetterSink": map[string]interface{}{
				"ref": map[string]string{
					"kind":       "deadkind",
					"name":       "deadname",
					"apiVersion": "deadapi",
				},
				"uri": "/extra/path",
			},
		},
	}

	files, err := manifest.ExecuteYAML(ctx, yaml, images, cfg)
	if err != nil {
		panic(err)
	}

	manifest.OutputYAML(os.Stdout, files)
}

Output:

apiVersion: messaging.knative.dev/v1
kind: Channel
metadata:
  name: foo
  namespace: bar
spec:
  channelTemplate:
    apiVersion: channelimpl/v1
    kind: mychannel
    spec:
      thing1: value1
      thing2: value2
  delivery:
    deadLetterSink:
      ref:
        kind: deadkind
        namespace: bar
        name: deadname
        apiVersion: deadapi
      uri: /extra/path
    retry: 42
    backoffPolicy: exponential
    backoffDelay: "2007-03-01T13:00:00Z/P1Y2M10DT2H30M"

Example (Min)

package main

import (
	"embed"
	"os"

	testlog "knative.dev/reconciler-test/pkg/logging"
	"knative.dev/reconciler-test/pkg/manifest"
)

//go:embed *.yaml
var yaml embed.FS

func main() {
	ctx := testlog.NewContext()
	images := map[string]string{}
	cfg := map[string]interface{}{
		"name":      "foo",
		"namespace": "bar",
	}

	files, err := manifest.ExecuteYAML(ctx, yaml, images, cfg)
	if err != nil {
		panic(err)
	}

	manifest.OutputYAML(os.Stdout, files)
}

Output:

apiVersion: messaging.knative.dev/v1
kind: Channel
metadata:
  name: foo
  namespace: bar
spec:

Example (WithTemplate)

package main

import (
	"embed"
	"encoding/json"
	"os"

	"k8s.io/apimachinery/pkg/runtime"
	testlog "knative.dev/reconciler-test/pkg/logging"
	"knative.dev/reconciler-test/pkg/manifest"

	messagingv1 "knative.dev/eventing/pkg/apis/messaging/v1"
	"knative.dev/eventing/test/rekt/resources/channel"
)

//go:embed *.yaml
var yaml embed.FS

func main() {
	ctx := testlog.NewContext()
	spec := map[string]string{
		"thing1": "value1",
		"thing2": "value2",
	}
	bytesSpec, err := json.Marshal(spec)
	if err != nil {
		panic(err)
	}

	re := &runtime.RawExtension{
		Raw: bytesSpec,
	}

	images := map[string]string{}
	cfg := map[string]interface{}{
		"name":      "foo",
		"namespace": "bar",
	}
	withTemplate := channel.WithTemplate(func(spec *messagingv1.ChannelTemplateSpec) error {
		spec.Spec = re
		return nil
	})
	withTemplate(cfg)

	files, err := manifest.ExecuteYAML(ctx, yaml, images, cfg)
	if err != nil {
		panic(err)
	}

	manifest.OutputYAML(os.Stdout, files)
}

Output:

apiVersion: messaging.knative.dev/v1
kind: Channel
metadata:
  name: foo
  namespace: bar
spec:
  channelTemplate:
    apiVersion: messaging.knative.dev/v1
    kind: InMemoryChannel
    spec:
      thing1: value1
      thing2: value2

Index

• func Address(ctx context.Context, name string, timings ...time.Duration) (*duckv1.Addressable, error)
• func AsRef(name string) *duckv1.KReference
• func GVK() schema.GroupVersionKind
• func GVR() schema.GroupVersionResource
• func Install(name string, opts ...manifest.CfgFn) feature.StepFn
• func IsAddressable(name string, timing ...time.Duration) feature.StepFn
• func IsReady(name string, timing ...time.Duration) feature.StepFn
• func WithTemplate(options ...messagingv1.ChannelTemplateSpecOption) manifest.CfgFn

Examples

• Package (Full)
• Package (Min)
• Package (WithTemplate)

Functions

func Address

func Address(ctx context.Context, name string, timings ...time.Duration) (*duckv1.Addressable, error)

Address returns a Channel's address.

func AsRef

func AsRef(name string) *duckv1.KReference

AsRef returns a KRef for a Channel without namespace.

func GVK

func GVK() schema.GroupVersionKind

func GVR

func GVR() schema.GroupVersionResource

func Install

func Install(name string, opts ...manifest.CfgFn) feature.StepFn

Install will create a Channel resource, augmented with the config fn options.

func IsAddressable

func IsAddressable(name string, timing ...time.Duration) feature.StepFn

IsAddressable tests to see if a Channel becomes addressable within the time given.

func IsReady

func IsReady(name string, timing ...time.Duration) feature.StepFn

IsReady tests to see if a Channel becomes ready within the time given.

func WithTemplate

func WithTemplate(options ...messagingv1.ChannelTemplateSpecOption) manifest.CfgFn

WithTemplate adds channelTemplate to the Channel's config after apply the provided options.