Add set of supported plugins (#523)

* Add kn-plugin-source-kafka

* Add kn-plugin-event

* Add kn-plugin-func

hack/build.sh.d/func.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+# There no midstream image currently, fallback to upstream one.
+readonly func_util_image="${KN_PLUGIN_FUNC_UTIL_IMAGE:-ghcr.io/knative/func-utils:latest}"
+readonly default_node_builder_image="${DEFAULT_NODE_BUILDER_IMAGE:-registry.access.redhat.com/ubi8/nodejs-20-minimal}"
+readonly default_quarkus_builder_image="${DEFAULT_QUARKUS_BUILDER_IMAGE:-registry.access.redhat.com/ubi8/openjdk-21}"
+readonly default_python_builder_image="${DEFAULT_PYTHON_BUILDER_IMAGE:-registry.access.redhat.com/ubi8/python-39}"
+
+export EXTERNAL_LD_FLAGS="${EXTERNAL_LD_FLAGS:-} \
+-X knative.dev/func/pkg/k8s.SocatImage=${func_util_image} \
+-X knative.dev/func/pkg/k8s.TarImage=${func_util_image} \
+-X knative.dev/func/pkg/pipelines/tekton.FuncUtilImage=${func_util_image}
+-X knative.dev/func/pkg/builders/s2i.DefaultNodeBuilder=${default_node_builder_image} \
+-X knative.dev/func/pkg/builders/s2i.DefaultQuarkusBuilder=${default_quarkus_builder_image} \
+-X knative.dev/func/pkg/builders/s2i.DefaultPythonBuilder=${default_python_builder_image}"

hack/build.sh.d/kn-plugin-event.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+knEventVersion="$(grep 'knative.dev/kn-plugin-event ' "$(basedir)/go.mod" \
+  | head -n 1 \
+  | sed -sE 's/.* (v[0-9]+\.[0-9]+\.[0-9]+.*)/\1/')"
+knEventRelease="${knEventVersion%.*}"
+knEventRelease="${knEventRelease#v}"
+readonly upstream_sender_image="registry.ci.openshift.org/knative/release-${knEventRelease}:client-plugin-event-sender"
+readonly sender_image="${KN_PLUGIN_EVENT_SENDER_IMAGE:-${upstream_sender_image}}"
+export EXTERNAL_LD_FLAGS="${EXTERNAL_LD_FLAGS:-} \
+-X knative.dev/kn-plugin-event/pkg/metadata.Image=${sender_image} \
+-X knative.dev/kn-plugin-event/pkg/metadata.Version=${knEventVersion}"

openshift/release/kn.yaml

@@ -0,0 +1,21 @@
+plugins:
+  - name: kn-plugin-source-kafka
+    module: knative.dev/kn-plugin-source-kafka
+    pluginImportPath: knative.dev/kn-plugin-source-kafka/plugin
+    version: knative-v1.15.0
+  - name: kn-plugin-event
+    module: knative.dev/kn-plugin-event
+    pluginImportPath: knative.dev/kn-plugin-event/pkg/plugin
+    version: v1.15.0
+    replace:
+      - module: knative.dev/kn-plugin-event
+        moduleSource: github.com/openshift-knative/kn-plugin-event
+        version: release-1.15
+  - name: kn-plugin-func
+    module: knative.dev/func
+    pluginImportPath: knative.dev/func/plugin
+    version: v1.15.2
+    replace:
+      - module: knative.dev/func
+        moduleSource: github.com/openshift-knative/kn-plugin-func
+        version: release-v1.15

pkg/kn/root/plugin_register.go

@@ -0,0 +1,28 @@
+/*
+Copyright 2021 The Knative Authors
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package root
+
+import (
+	// Add #plugins# import here. Don't remove this line, it triggers an automatic replacement.
+	_ "knative.dev/func/plugin"
+	_ "knative.dev/kn-plugin-event/pkg/plugin"
+	_ "knative.dev/kn-plugin-source-kafka/plugin"
+)
+
+// RegisterInlinePlugins is an empty function which however forces the
+// compiler to run all init() methods of the registered imports
+func RegisterInlinePlugins() {}