Add benchmark for containerized KRM function in kustomize

hack/krmFunctionBenchmark/label_namespace/containerfn/containerfn.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: label_namespace
+  annotations:
+    config.kubernetes.io/function: |-
+      container:
+        image: gcr.io/kpt-functions/label-namespace@sha256:4f030738d6d25a207641ca517916431517578bd0eb8d98a8bde04e3bb9315dcd
+data:
+  label_name: my-ns-name
+  label_value: function-test

hack/krmFunctionBenchmark/label_namespace/containerfn/data1.yaml

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+apiVersion: v1
+kind: Namespace
+metadata:
+  name: my-namespace

hack/krmFunctionBenchmark/label_namespace/containerfn/data2.yaml

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+apiVersion: v1
+kind: Namespace
+metadata:
+  name: another-namespace

hack/krmFunctionBenchmark/label_namespace/containerfn/kustomization.yaml

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+resources:
+- data1.yaml
+- data2.yaml
+transformers:
+- containerfn.yaml

hack/krmFunctionBenchmark/label_namespace/execfn/Dockerfile

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+FROM alpine:latest
+
+ENV BUILD_HOME=/usr/local/build
+RUN apk update && apk add --no-cache git nodejs npm
+RUN npm install -g typescript
+
+RUN mkdir -p $BUILD_HOME
+
+WORKDIR $BUILD_HOME
+
+RUN git clone https://github.com/GoogleContainerTools/kpt-functions-sdk.git .
+RUN git checkout tags/release-kpt-functions-v0.14.2
+WORKDIR $BUILD_HOME/ts/hello-world/
+RUN npm install
+RUN npm run build

hack/krmFunctionBenchmark/label_namespace/execfn/build.sh

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+#! /bin/bash
+
+IMAGE_LABEL="label_namespace_build:latest"
+BUILD_HOME=/usr/local/build
+
+docker build -t $IMAGE_LABEL .
+
+docker run --rm -v $(pwd):/out $IMAGE_LABEL cp -r $BUILD_HOME/ts/hello-world/dist $BUILD_HOME/ts/hello-world/node_modules /out

hack/krmFunctionBenchmark/label_namespace/execfn/data1.yaml

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+apiVersion: v1
+kind: Namespace
+metadata:
+  name: my-namespace

hack/krmFunctionBenchmark/label_namespace/execfn/data2.yaml

@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: another-namespace

hack/krmFunctionBenchmark/label_namespace/execfn/execfn.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: label_namespace
+  annotations:
+    config.kubernetes.io/function: |-
+      exec:
+        path: ./fn.sh
+data:
+  label_name: my-ns-name
+  label_value: function-test

hack/krmFunctionBenchmark/label_namespace/execfn/fn.sh

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+#! /bin/bash
+
+node ./dist/label_namespace_run.js

hack/krmFunctionBenchmark/label_namespace/execfn/kustomization.yaml

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+resources:
+- data1.yaml
+- data2.yaml
+transformers:
+- execfn.yaml