add example for skaffold generate-pipeline

examples/generate-pipeline/Dockerfile

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+FROM golang:1.12.9-alpine3.10 as builder
+COPY main.go .
+RUN go build -o /app main.go
+
+FROM alpine:3.10
+CMD ["./app"]
+COPY --from=builder /app .

examples/generate-pipeline/README.adoc

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+=== Example: Getting started with skaffold and CI/CD using Tekton
+:icons: font
+
+This is a simple example to show users how to run the generate-pipeline command
+
+_Please keep in mind that the generate-pipeline command is still a WIP_
+
+Prerequisites:
+
+* Install tekton on your cluster (https://github.com/tektoncd/pipeline/blob/master/docs/install.md)
+* Have kaniko secrets setup (https://github.com/GoogleContainerTools/kaniko)
+* Container registry must be public
+* Give your default service account the cluster-admin role (necessary to have pipeline access secrets)
+----
+kubectl create clusterrolebinding serviceaccounts-cluster-admin \
+--clusterrole=cluster-admin \
+--user=system:serviceaccount:default:default
+----
+
+To generate and run a pipeline:
+
+* Run skaffold generate-pipeline
+* Modify skaffold.yaml to use a valid GCSbucket for kaniko
+* Commit and push updated skaffold.yaml
+* kubectl apply -f pipeline.yaml
+* Create a pipelinerun.yaml
+* kubectl apply -f pipelinerun.yaml

examples/generate-pipeline/k8s-pod.yaml

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+apiVersion: v1
+kind: Pod
+metadata:
+  name: generate-pipeline
+spec:
+  containers:
+  - name: generate-pipeline
+    image: gcr.io/k8s-skaffold/pipeline-example

examples/generate-pipeline/main.go

@@ -0,0 +1,14 @@
+package main
+
+import (
+	"fmt"
+	"time"
+)
+
+func main() {
+	for {
+		fmt.Println("Hello world!")
+
+		time.Sleep(time.Second * 1)
+	}
+}

examples/generate-pipeline/skaffold.yaml

@@ -0,0 +1,9 @@
+apiVersion: skaffold/v1beta14
+kind: Config
+build:
+  artifacts:
+  - image: gcr.io/k8s-skaffold/pipeline-example
+deploy:
+  kubectl:
+    manifests:
+      - k8s-*

integration/examples/generate-pipeline/Dockerfile

@@ -0,0 +1,7 @@
+FROM golang:1.12.9-alpine3.10 as builder
+COPY main.go .
+RUN go build -o /app main.go
+
+FROM alpine:3.10
+CMD ["./app"]
+COPY --from=builder /app .

integration/examples/generate-pipeline/README.adoc

@@ -0,0 +1,27 @@
+=== Example: Getting started with skaffold and CI/CD using Tekton
+:icons: font
+
+This is a simple example to show users how to run the generate-pipeline command
+
+_Please keep in mind that the generate-pipeline command is still a WIP_
+
+Prerequisites:
+
+* Install tekton on your cluster (https://github.com/tektoncd/pipeline/blob/master/docs/install.md)
+* Have kaniko secrets setup (https://github.com/GoogleContainerTools/kaniko)
+* Container registry must be public
+* Give your default service account the cluster-admin role (necessary to have pipeline access secrets)
+----
+kubectl create clusterrolebinding serviceaccounts-cluster-admin \
+--clusterrole=cluster-admin \
+--user=system:serviceaccount:default:default
+----
+
+To generate and run a pipeline:
+
+* Run skaffold generate-pipeline
+* Modify skaffold.yaml to use a valid GCSbucket for kaniko
+* Commit and push updated skaffold.yaml
+* kubectl apply -f pipeline.yaml
+* Create a pipelinerun.yaml
+* kubectl apply -f pipelinerun.yaml

integration/examples/generate-pipeline/k8s-pod.yaml

@@ -0,0 +1,8 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: generate-pipeline
+spec:
+  containers:
+  - name: generate-pipeline
+    image: gcr.io/k8s-skaffold/pipeline-example

integration/examples/generate-pipeline/main.go

@@ -0,0 +1,14 @@
+package main
+
+import (
+	"fmt"
+	"time"
+)
+
+func main() {
+	for {
+		fmt.Println("Hello world!")
+
+		time.Sleep(time.Second * 1)
+	}
+}

integration/examples/generate-pipeline/skaffold.yaml

@@ -0,0 +1,9 @@
+apiVersion: skaffold/v1beta14
+kind: Config
+build:
+  artifacts:
+  - image: gcr.io/k8s-skaffold/pipeline-example
+deploy:
+  kubectl:
+    manifests:
+      - k8s-*