Consolidate YAML files [part-12] (#9364)
* Consolidate YAML files [part-12] Relocate YAML files referenced by the accessing application topic and the rest of cluster administration. * Adjust json shortcodes.
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@@ -27,7 +27,7 @@ In this exercise, you create a Pod that runs two Containers. The two containers
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share a Volume that they can use to communicate. Here is the configuration file
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for the Pod:
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{{< code file="two-container-pod.yaml" >}}
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{{< codenew file="pods/two-container-pod.yaml" >}}
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In the configuration file, you can see that the Pod has a Volume named
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`shared-data`.
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@@ -44,7 +44,7 @@ directory of the nginx server.
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Create the Pod and the two Containers:
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kubectl create -f https://k8s.io/docs/tasks/access-application-cluster/two-container-pod.yaml
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kubectl create -f https://k8s.io/examples/pods/two-container-pod.yaml
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View information about the Pod and the Containers:
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@@ -43,12 +43,12 @@ frontend and backend are connected using a Kubernetes Service object.
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The backend is a simple hello greeter microservice. Here is the configuration
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file for the backend Deployment:
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{{< code file="hello.yaml" >}}
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{{< codenew file="service/access/hello.yaml" >}}
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Create the backend Deployment:
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```
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kubectl create -f https://k8s.io/docs/tasks/access-application-cluster/hello.yaml
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kubectl create -f https://k8s.io/examples/service/access/hello.yaml
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```
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View information about the backend Deployment:
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@@ -103,7 +103,7 @@ selector labels to find the Pods that it routes traffic to.
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First, explore the Service configuration file:
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{{< code file="hello-service.yaml" >}}
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{{< codenew file="service/access/hello-service.yaml" >}}
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In the configuration file, you can see that the Service routes traffic to Pods
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that have the labels `app: hello` and `tier: backend`.
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@@ -111,7 +111,7 @@ that have the labels `app: hello` and `tier: backend`.
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Create the `hello` Service:
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```
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kubectl create -f https://k8s.io/docs/tasks/access-application-cluster/hello-service.yaml
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kubectl create -f https://k8s.io/examples/service/access/hello-service.yaml
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```
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At this point, you have a backend Deployment running, and you have a
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@@ -127,18 +127,18 @@ of the `name` field in the preceding Service configuration file.
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The Pods in the frontend Deployment run an nginx image that is configured
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to find the hello backend Service. Here is the nginx configuration file:
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{{< code file="frontend/frontend.conf" >}}
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{{< codenew file="service/access/frontend.conf" >}}
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Similar to the backend, the frontend has a Deployment and a Service. The
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configuration for the Service has `type: LoadBalancer`, which means that
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the Service uses the default load balancer of your cloud provider.
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{{< code file="frontend.yaml" >}}
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{{< codenew file="service/access/frontend.yaml" >}}
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Create the frontend Deployment and Service:
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```
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kubectl create -f https://k8s.io/docs/tasks/access-application-cluster/frontend.yaml
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kubectl create -f https://k8s.io/examples/service/access/frontend.yaml
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```
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The output verifies that both resources were created:
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@@ -149,7 +149,7 @@ service "frontend" created
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```
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**Note**: The nginx configuration is baked into the
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[container image](/docs/tasks/access-application-cluster/frontend/Dockerfile).
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[container image](/examples/service/access/Dockerfile).
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A better way to do this would be to use a
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[ConfigMap](/docs/tasks/configure-pod-container/configure-pod-configmap/), so
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that you can change the configuration more easily.
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@@ -1,39 +0,0 @@
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apiVersion: v1
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kind: Service
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metadata:
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name: frontend
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spec:
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selector:
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app: hello
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tier: frontend
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ports:
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- protocol: "TCP"
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port: 80
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targetPort: 80
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type: LoadBalancer
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---
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: frontend
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spec:
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selector:
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matchLabels:
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app: hello
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tier: frontend
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track: stable
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replicas: 1
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template:
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metadata:
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labels:
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app: hello
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tier: frontend
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track: stable
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spec:
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containers:
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- name: nginx
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image: "gcr.io/google-samples/hello-frontend:1.0"
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lifecycle:
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preStop:
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exec:
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command: ["/usr/sbin/nginx","-s","quit"]
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@@ -1,4 +0,0 @@
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FROM nginx:1.9.14
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RUN rm /etc/nginx/conf.d/default.conf
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COPY frontend.conf /etc/nginx/conf.d
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@@ -1,11 +0,0 @@
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upstream hello {
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server hello;
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}
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server {
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listen 80;
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location / {
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proxy_pass http://hello;
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}
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}
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@@ -1,12 +0,0 @@
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kind: Service
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apiVersion: v1
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metadata:
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name: hello
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spec:
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selector:
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app: hello
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tier: backend
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ports:
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- protocol: TCP
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port: 80
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targetPort: http
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@@ -1,24 +0,0 @@
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: hello
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spec:
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selector:
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matchLabels:
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app: hello
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tier: backend
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track: stable
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replicas: 7
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template:
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metadata:
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labels:
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app: hello
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tier: backend
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track: stable
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spec:
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containers:
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- name: hello
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image: "gcr.io/google-samples/hello-go-gke:1.0"
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ports:
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- name: http
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containerPort: 80
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@@ -1,4 +0,0 @@
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FROM alpine:3.1
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MAINTAINER Carter Morgan <askcarter@google.com>
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COPY hello /usr/bin/
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CMD ["/usr/bin/hello"]
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@@ -1,7 +0,0 @@
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Build hello go binary first
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go build -tags netgo -ldflags "-extldflags '-lm -lstdc++ -static'" .
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Then build docker image
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docker build -t hello .
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@@ -1,74 +0,0 @@
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package main
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import (
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"flag"
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"fmt"
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"log"
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"net/http"
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"os"
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"os/signal"
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"syscall"
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"github.com/braintree/manners"
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"github.com/GoogleCloudPlatform/kubernetes-workshops/bundles/kubernetes-101/workshop/app/handlers"
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"github.com/GoogleCloudPlatform/kubernetes-workshops/bundles/kubernetes-101/workshop/app/health"
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)
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const version = "1.0.0"
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func main() {
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var (
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httpAddr = flag.String("http", "0.0.0.0:80", "HTTP service address.")
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healthAddr = flag.String("health", "0.0.0.0:81", "Health service address.")
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)
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flag.Parse()
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log.Println("Starting server...")
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log.Printf("Health service listening on %s", *healthAddr)
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log.Printf("HTTP service listening on %s", *httpAddr)
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errChan := make(chan error, 10)
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hmux := http.NewServeMux()
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hmux.HandleFunc("/healthz", health.HealthzHandler)
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hmux.HandleFunc("/readiness", health.ReadinessHandler)
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hmux.HandleFunc("/healthz/status", health.HealthzStatusHandler)
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hmux.HandleFunc("/readiness/status", health.ReadinessStatusHandler)
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healthServer := manners.NewServer()
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healthServer.Addr = *healthAddr
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healthServer.Handler = handlers.LoggingHandler(hmux)
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go func() {
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errChan <- healthServer.ListenAndServe()
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}()
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mux := http.NewServeMux()
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mux.HandleFunc("/", handlers.HelloHandler)
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mux.Handle("/secure", handlers.JWTAuthHandler(handlers.HelloHandler))
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mux.Handle("/version", handlers.VersionHandler(version))
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httpServer := manners.NewServer()
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httpServer.Addr = *httpAddr
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httpServer.Handler = handlers.LoggingHandler(mux)
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go func() {
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errChan <- httpServer.ListenAndServe()
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}()
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signalChan := make(chan os.Signal, 1)
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signal.Notify(signalChan, syscall.SIGINT, syscall.SIGTERM)
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for {
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select {
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case err := <-errChan:
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if err != nil {
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log.Fatal(err)
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}
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case s := <-signalChan:
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log.Println(fmt.Sprintf("Captured %v. Exiting...", s))
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health.SetReadinessStatus(http.StatusServiceUnavailable)
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httpServer.BlockingClose()
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os.Exit(0)
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}
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}
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}
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@@ -1,33 +0,0 @@
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apiVersion: v1
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kind: Pod
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metadata:
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labels:
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name: redis
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redis-sentinel: "true"
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role: master
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name: redis-master
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spec:
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containers:
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- name: master
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image: k8s.gcr.io/redis:v1
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env:
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- name: MASTER
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value: "true"
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ports:
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- containerPort: 6379
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resources:
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limits:
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cpu: "0.1"
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volumeMounts:
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- mountPath: /redis-master-data
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name: data
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- name: sentinel
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image: kubernetes/redis:v1
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env:
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- name: SENTINEL
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value: "true"
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ports:
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- containerPort: 26379
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volumes:
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- name: data
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emptyDir: {}
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@@ -1,27 +0,0 @@
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apiVersion: v1
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kind: Pod
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metadata:
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name: two-containers
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spec:
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restartPolicy: Never
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volumes:
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- name: shared-data
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emptyDir: {}
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containers:
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- name: nginx-container
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image: nginx
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volumeMounts:
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- name: shared-data
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mountPath: /usr/share/nginx/html
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- name: debian-container
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image: debian
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volumeMounts:
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- name: shared-data
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mountPath: /pod-data
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command: ["/bin/sh"]
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args: ["-c", "echo Hello from the debian container > /pod-data/index.html"]
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