feat: embed tkn tasks in func binary (knative#2396)

* feat: embed tkn tasks in func binary

Embed Tekton tasks for direct on cluster build.

Signed-off-by: Matej Vašek <[email protected]>

* feat: embed tkn tasks in func binary

Embed Tekton tasks for PaC build.

Signed-off-by: Matej Vašek <[email protected]>

* feat: added tkn-tasks sub-command

This new command prints tektons tasks in form of multi-document yaml,
these tekton tasks may requird to be installed for some advanced
functionality.

Signed-off-by: Matej Vašek <[email protected]>

* chore: remove unused files

Signed-off-by: Matej Vašek <[email protected]>

* feat: make deployer image settable via linker

Signed-off-by: Matej Vašek <[email protected]>

---------

Signed-off-by: Matej Vašek <[email protected]>

cmd/environment.go

@@ -16,7 +16,6 @@ import (
 	"knative.dev/func/pkg/config"
 	"knative.dev/func/pkg/functions"
 	"knative.dev/func/pkg/k8s"
-	"knative.dev/func/pkg/pipelines/tekton"
 )
 
 var format string = "json"
@@ -67,7 +66,6 @@ type Environment struct {
 	Templates            map[string][]string
 	Environment          []string
 	Cluster              string
-	TektonTasks          map[string]string
 	Defaults             config.Global
 	Function             *functions.Function `json:",omitempty" yaml:",omitempty"`
 	Instance             *functions.Instance `json:",omitempty" yaml:",omitempty"`
@@ -137,11 +135,6 @@ func runEnvironment(cmd *cobra.Command, newClient ClientFactory, v *Version) (er
 		Environment:          envs,
 		Cluster:              host,
 		Defaults:             defaults,
-		TektonTasks: map[string]string{
-			"func-buildpack": tekton.BuildpackTaskURL,
-			"func-s2i":       tekton.S2ITaskURL,
-			"func-deploy":    tekton.DeployTaskURL,
-		},
 	}
 
 	function, instance := describeFuncInformation(cmd.Context(), newClient, cfg)

cmd/root.go

@@ -107,6 +107,7 @@ Learn more about Knative at: https://knative.dev`, cfg.Name),
 			Commands: []*cobra.Command{
 				NewCompletionCmd(),
 				NewVersionCmd(cfg.Version),
+				NewTektonClusterTasksCmd(),
 			},
 		},
 	}

cmd/tkn_tasks.go

@@ -0,0 +1,27 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+
+	"knative.dev/func/pkg/pipelines/tekton"
+)
+
+func NewTektonClusterTasksCmd() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "tkn-tasks",
+		Short: "List tekton cluster tasks as multi-document yaml",
+		Long: `This command prints tekton tekton task embed in the func binary.
+Some advanced functionality like OpenShift's Web Console build my require installation of these tasks.
+Installation: func tkn-tasks | kubectl apply -f -
+`,
+		Hidden: true,
+		RunE: func(cmd *cobra.Command, args []string) error {
+			_, err := fmt.Fprintln(cmd.OutOrStdout(), tekton.GetClusterTasks())
+			return err
+		},
+	}
+
+	return cmd
+}

docs/generator/main.go

@@ -96,6 +96,9 @@ func ignoreConfigEnv() (done func()) {
 // string to the file name, and recursively calls itself for each subcommand.
 func processSubCommands(c *cobra.Command, parent string, opts TemplateOptions) error {
 	for _, cc := range c.Commands() {
+		if cc.Hidden {
+			continue
+		}
 		name := cc.Name()
 		if name == "help" {
 			continue