新增learn-kubernetes（https://github.com/yyong-brs/learn-kubernetes）相关文件

learn/learn-kubernetes-master/kiamol/ch21/add-todo-to-hosts.ps1

@@ -0,0 +1,9 @@
+
+$controller='ingress-nginx-controller'
+$ns='kiamol-ingress-nginx'
+$ip=$(kubectl get svc $controller -o jsonpath='{.status.loadBalancer.ingress[0].*}' -n $ns)
+if ($ip -eq 'localhost') {
+	$ip='127.0.0.1'
+}
+
+Add-Content -Value "$ip  todo.kiamol.local$([Environment]::NewLine)$ip  api.todo.kiamol.local" -Path C:/windows/system32/drivers/etc/hosts

learn/learn-kubernetes-master/kiamol/ch21/add-todo-to-hosts.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+CONTROLLER='ingress-nginx-controller'
+NS='kiamol-ingress-nginx'
+IP=$(kubectl get svc $CONTROLLER -o jsonpath='{.status.loadBalancer.ingress[0].*}' -n $NS)
+if [ "$IP" = "localhost" ]; then 
+    IP='127.0.0.1'
+fi
+
+echo "\n$IP  todo.kiamol.local\n$IP  api.todo.kiamol.local" | sudo tee -a /etc/hosts

learn/learn-kubernetes-master/kiamol/ch21/docker-images/docker-compose.yml

@@ -0,0 +1,17 @@
+version: "3.7"
+
+services:  
+  ch21-kubeless-cli:
+    image: kiamol/ch21-kubeless-cli
+    build:
+      context: ./kubeless-cli
+
+  ch21-serverless-cli:
+    image: kiamol/ch21-serverless-cli
+    build:
+      context: ./serverless-cli
+
+  ch21-todo-api:
+    image: kiamol/ch21-todo-api
+    build:
+      context: ./todo-api

learn/learn-kubernetes-master/kiamol/ch21/docker-images/kubeless-cli/Dockerfile

@@ -0,0 +1,20 @@
+#using node to match base image for serverless cli
+FROM node:12  
+
+ENV KUBELESS_VERSION="v1.0.7" \
+    KUBERNETES_VERSION="1.18.5" 
+
+RUN curl -LO https://github.com/kubeless/kubeless/releases/download/${KUBELESS_VERSION}/kubeless_linux-amd64.zip && \
+    unzip kubeless_linux-amd64.zip && \
+    rm -f kubeless_linux-amd64.zip && \
+    chmod +x bundles/kubeless_linux-amd64/kubeless && \
+    mv bundles/kubeless_linux-amd64/kubeless /usr/local/bin/
+
+RUN curl -LO https://storage.googleapis.com/kubernetes-release/release/v${KUBERNETES_VERSION}/bin/linux/amd64/kubectl && \
+    chmod +x kubectl && \
+    mv kubectl /usr/local/bin/
+
+COPY start.sh /
+RUN chmod +x /start.sh
+CMD /start.sh
+WORKDIR /kiamol

learn/learn-kubernetes-master/kiamol/ch21/docker-images/kubeless-cli/start.sh

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+# set up access to Kube API
+kubectl config set-cluster default --server=https://kubernetes.default.svc.cluster.local --certificate-authority=/var/run/secrets/kubernetes.io/serviceaccount/ca.crt
+kubectl config set-context default --cluster=default
+kubectl config set-credentials user --token=$(cat /var/run/secrets/kubernetes.io/serviceaccount/token)
+kubectl config set-context default --user=user
+kubectl config use-context default
+
+cd /
+git clone https://github.com/sixeyed/kiamol
+
+while true; do sleep 1000; done

learn/learn-kubernetes-master/kiamol/ch21/docker-images/serverless-cli/Dockerfile

@@ -0,0 +1,15 @@
+FROM node:12
+
+ENV SERVERLESS_VERSION="1.77.1" \
+    KUBERNETES_VERSION="1.18.5" 
+
+RUN npm install -g serverless@${SERVERLESS_VERSION}
+
+RUN curl -LO https://storage.googleapis.com/kubernetes-release/release/v${KUBERNETES_VERSION}/bin/linux/amd64/kubectl && \
+    chmod +x kubectl && \
+    mv kubectl /usr/local/bin/
+
+COPY start.sh /
+RUN chmod +x /start.sh
+CMD /start.sh
+WORKDIR /kiamol

learn/learn-kubernetes-master/kiamol/ch21/docker-images/serverless-cli/start.sh

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+# set up access to Kube API
+kubectl config set-cluster default --server=https://kubernetes.default.svc.cluster.local --certificate-authority=/var/run/secrets/kubernetes.io/serviceaccount/ca.crt
+kubectl config set-context default --cluster=default
+kubectl config set-credentials user --token=$(cat /var/run/secrets/kubernetes.io/serviceaccount/token)
+kubectl config set-context default --user=user
+kubectl config use-context default
+
+cd /
+git clone https://github.com/sixeyed/kiamol
+
+while true; do sleep 1000; done

learn/learn-kubernetes-master/kiamol/ch21/docker-images/todo-api/Dockerfile

@@ -0,0 +1,15 @@
+FROM node:12.17 AS builder
+
+WORKDIR /src
+COPY package.json .
+RUN npm install
+
+FROM node:12.17-alpine3.11
+
+CMD ["node", "/app/server.js"]
+ENV PORT=80
+EXPOSE 80
+
+WORKDIR /app
+COPY --from=builder /src/node_modules/ /app/node_modules/
+COPY *.js ./

learn/learn-kubernetes-master/kiamol/ch21/docker-images/todo-api/handler.js

@@ -0,0 +1,24 @@
+const NATS = require('nats')
+const nc = NATS.connect({url: 'nats://message-queue:4222', json: true})
+const { v4: uuidv4 } = require('uuid');
+
+function post(req, res, next) {
+  console.log('** todo-api handler called');
+
+  var newItemEvent = {
+    Subject: "events.todo.newitem",
+    Item: {
+      Item: Object.keys(req.body)[0],
+      DateAdded: new Date().toISOString()
+    },
+    CorrelationId: uuidv4()
+  }
+
+  nc.publish('events.todo.newitem', newItemEvent)
+  console.log(`** New item published, event ID: ${newItemEvent.CorrelationId}`);
+
+  res.send(201);
+  next();
+}
+
+module.exports = { post }

learn/learn-kubernetes-master/kiamol/ch21/docker-images/todo-api/package.json

@@ -0,0 +1,12 @@
+{
+    "name": "todo-api",
+    "version": "0.1.0",
+    "main": "server.js",
+    "author": "kiamol",
+    "dependencies": {
+      "nats" : "1.4.9",
+      "restify" : "8.5.1",
+      "uuid" : "8.2.0"
+    }
+}
+  

learn/learn-kubernetes-master/kiamol/ch21/docker-images/todo-api/server.js

@@ -0,0 +1,10 @@
+const restify = require("restify");
+const handler = require('./handler');
+
+var server = restify.createServer();
+server.use(restify.plugins.bodyParser());
+server.post("/todos", handler.post);
+
+server.listen(process.env.PORT, function() {
+  console.log(`${server.name} listening at ${server.url}`);
+});

learn/learn-kubernetes-master/kiamol/ch21/functions/hello-kiamol/hello-kiamol.java

@@ -0,0 +1,10 @@
+package io.kubeless;
+
+import io.kubeless.Event;
+import io.kubeless.Context;
+
+public class Kiamol {
+    public String hello(io.kubeless.Event event, io.kubeless.Context context) {
+        return "Hello from chapter 21!";
+    }
+}

learn/learn-kubernetes-master/kiamol/ch21/functions/todo-api/ingress/ingress.yaml

@@ -0,0 +1,20 @@
+apiVersion: networking.k8s.io/v1beta1 
+kind: Ingress
+metadata:
+  name: todo-api
+  labels:
+    kiamol: ch21
+spec:
+  rules:
+  - host: api.todo.kiamol.local
+    http:
+      paths:
+      - path: /todos
+        backend:
+          serviceName: todo-api
+          servicePort: 8080
+
+# this spec is equivalent to running 
+# kubeless trigger http create todo-api --function-name todo-api --path todos --hostname api.todo.kiamol.local
+# but that fails with Kubeless 1.0.7 running on Kubernetes 1.18 - see
+# https://github.com/kubeless/kubeless/issues/1130

learn/learn-kubernetes-master/kiamol/ch21/functions/todo-api/package.json

@@ -0,0 +1,11 @@
+{
+    "name": "todo-api",
+    "version": "0.1.0",
+    "main": "server.js",
+    "author": "kiamol",
+    "dependencies": {
+      "nats" : "1.4.9",
+      "uuid" : "8.2.0"
+    }
+}
+  

learn/learn-kubernetes-master/kiamol/ch21/functions/todo-api/server.js

@@ -0,0 +1,21 @@
+const NATS = require('nats')
+const nc = NATS.connect({url: 'nats://message-queue:4222', json: true})
+const { v4: uuidv4 } = require('uuid');
+
+function handler(event, context) {
+  console.log('** todo-api handler called');
+  
+  var newItemEvent = {
+    Subject: "events.todo.newitem",
+    Item: {
+      Item: event.data,
+      DateAdded: new Date().toISOString()
+    },
+    CorrelationId: uuidv4()
+  }
+
+  nc.publish('events.todo.newitem', newItemEvent)
+  console.log(`** New item published, event ID: ${newItemEvent.CorrelationId}`);
+}
+
+module.exports = { handler }

learn/learn-kubernetes-master/kiamol/ch21/functions/todo-audit/audit.py

@@ -0,0 +1,3 @@
+
+def handler(event, context):    
+    print(f"AUDIT @ {event['data']['Item']['DateAdded']}: {event['data']['Item']['Item']}")

learn/learn-kubernetes-master/kiamol/ch21/functions/todo-mutating-handler/cronjob-trigger.yaml

@@ -0,0 +1,15 @@
+apiVersion: kubeless.io/v1beta1
+kind: CronJobTrigger
+metadata:
+  finalizers:
+  - kubeless.io/cronjobtrigger 
+  labels:
+    created-by: kubeless
+  name: todo-mutating-handler
+  namespace: default
+spec:
+  function-name: todo-mutating-handler
+  schedule: '*/1 * * * *'
+
+# finalizers help with clean-up tasks - see
+# https://kubernetes.io/docs/tasks/extend-kubernetes/custom-resources/custom-resource-definitions/#finalizers

learn/learn-kubernetes-master/kiamol/ch21/functions/todo-mutating-handler/mutating-handler.yaml

@@ -0,0 +1,28 @@
+apiVersion: kubeless.io/v1beta1
+kind: Function
+metadata:
+  name: todo-mutating-handler
+  namespace: default
+  label:
+    created-by: kubeless
+spec:
+  runtime: php7.3
+  timeout: "10"
+  handler: todo-mutating-handler.mutate  
+  deps: ""
+  function-content-type: text
+  function: |
+    <?php
+
+      function mutate($event, $context) {
+        fwrite(STDOUT, '* Mutating handler called.');
+        $conn = pg_connect('host=todo-db dbname=todo user=postgres password=kiamol-2*2*');
+        if (!$conn) {
+          echo 'Connection failed';
+          exit;
+        }
+        $sql = 'UPDATE "public"."ToDos" SET "Item"=\'Leave a nice review for KIAMOL :)\'';
+        $result = pg_query($conn, $sql); 
+        fwrite(STDOUT, '* Mutation complete.');
+        return "* Mutated...";
+      }

learn/learn-kubernetes-master/kiamol/ch21/grep.ps1

@@ -0,0 +1 @@
+Set-Alias -Name grep -Value Select-String

learn/learn-kubernetes-master/kiamol/ch21/ingress-nginx/nginx-ingress-controller.yaml

@@ -0,0 +1,271 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: kiamol-ingress-nginx
+  labels:
+    kiamol: ch21
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: ingress-nginx-controller
+  namespace: kiamol-ingress-nginx
+data:
+  http-snippet: |
+    proxy_cache_path /tmp/nginx-cache levels=1:2 keys_zone=static-cache:2m max_size=100m inactive=7d use_temp_path=off;
+    proxy_cache_key $scheme$proxy_host$request_uri;
+    proxy_cache_lock on;
+    proxy_cache_use_stale updating;
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: ingress-nginx-controller
+  namespace: kiamol-ingress-nginx
+spec:
+  type: LoadBalancer
+  ports:
+    - name: http
+      port: 80
+      targetPort: http
+    - name: https
+      port: 443
+      targetPort: https
+  selector:
+    app.kubernetes.io/name: ingress-nginx
+    app.kubernetes.io/instance: ingress-nginx
+    app.kubernetes.io/component: controller
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: ingress-nginx-controller
+  namespace: kiamol-ingress-nginx
+spec:
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: ingress-nginx
+      app.kubernetes.io/instance: ingress-nginx
+      app.kubernetes.io/component: controller
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: ingress-nginx
+        app.kubernetes.io/instance: ingress-nginx
+        app.kubernetes.io/component: controller
+    spec:
+      containers:
+        - name: controller
+          image: quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.33.0
+          args:
+            - /nginx-ingress-controller
+            - --publish-service=kiamol-ingress-nginx/ingress-nginx-controller
+            - --election-id=ingress-controller-leader
+            - --ingress-class=nginx
+            - --configmap=kiamol-ingress-nginx/ingress-nginx-controller
+          securityContext:
+            runAsUser: 101
+            allowPrivilegeEscalation: true
+          env:
+            - name: POD_NAME
+              valueFrom:
+                fieldRef:
+                  fieldPath: metadata.name
+            - name: POD_NAMESPACE
+              valueFrom:
+                fieldRef:
+                  fieldPath: metadata.namespace
+          ports:
+            - name: http
+              containerPort: 80
+              protocol: TCP
+            - name: https
+              containerPort: 443
+              protocol: TCP
+      serviceAccountName: ingress-nginx
+---
+# RBAC configuration
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: ingress-nginx
+  namespace: kiamol-ingress-nginx
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: ingress-nginx
+  namespace: kiamol-ingress-nginx
+rules:
+  - apiGroups:
+      - ''
+    resources:
+      - configmaps
+      - endpoints
+      - nodes
+      - pods
+      - secrets
+    verbs:
+      - list
+      - watch
+  - apiGroups:
+      - ''
+    resources:
+      - nodes
+    verbs:
+      - get
+  - apiGroups:
+      - ''
+    resources:
+      - services
+    verbs:
+      - get
+      - list
+      - update
+      - watch
+  - apiGroups:
+      - extensions
+      - networking.k8s.io   # k8s 1.14+
+    resources:
+      - ingresses
+    verbs:
+      - get
+      - list
+      - watch
+  - apiGroups:
+      - ''
+    resources:
+      - events
+    verbs:
+      - create
+      - patch
+  - apiGroups:
+      - extensions
+      - networking.k8s.io   # k8s 1.14+
+    resources:
+      - ingresses/status
+    verbs:
+      - update
+  - apiGroups:
+      - networking.k8s.io   # k8s 1.14+
+    resources:
+      - ingressclasses
+    verbs:
+      - get
+      - list
+      - watch
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: ingress-nginx
+  namespace: kiamol-ingress-nginx
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: ingress-nginx
+subjects:
+  - kind: ServiceAccount
+    name: ingress-nginx
+    namespace: kiamol-ingress-nginx
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: Role
+metadata:
+  name: ingress-nginx
+  namespace: kiamol-ingress-nginx
+rules:
+  - apiGroups:
+      - ''
+    resources:
+      - namespaces
+    verbs:
+      - get
+  - apiGroups:
+      - ''
+    resources:
+      - configmaps
+      - pods
+      - secrets
+      - endpoints
+    verbs:
+      - get
+      - list
+      - watch
+  - apiGroups:
+      - ''
+    resources:
+      - services
+    verbs:
+      - get
+      - list
+      - update
+      - watch
+  - apiGroups:
+      - extensions
+      - networking.k8s.io   # k8s 1.14+
+    resources:
+      - ingresses
+    verbs:
+      - get
+      - list
+      - watch
+  - apiGroups:
+      - extensions
+      - networking.k8s.io   # k8s 1.14+
+    resources:
+      - ingresses/status
+    verbs:
+      - update
+  - apiGroups:
+      - networking.k8s.io   # k8s 1.14+
+    resources:
+      - ingressclasses
+    verbs:
+      - get
+      - list
+      - watch
+  - apiGroups:
+      - ''
+    resources:
+      - configmaps
+    resourceNames:
+      - ingress-controller-leader-nginx
+    verbs:
+      - get
+      - update
+  - apiGroups:
+      - ''
+    resources:
+      - configmaps
+    verbs:
+      - create
+  - apiGroups:
+      - ''
+    resources:
+      - endpoints
+    verbs:
+      - create
+      - get
+      - update
+  - apiGroups:
+      - ''
+    resources:
+      - events
+    verbs:
+      - create
+      - patch
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: RoleBinding
+metadata:
+  name: ingress-nginx
+  namespace: kiamol-ingress-nginx
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: Role
+  name: ingress-nginx
+subjects:
+  - kind: ServiceAccount
+    name: ingress-nginx
+    namespace: kiamol-ingress-nginx

learn/learn-kubernetes-master/kiamol/ch21/kubeless-cli.yaml

@@ -0,0 +1,33 @@
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: kubeless-cli
+  labels:
+    kiamol: ch21
+---
+apiVersion: v1
+kind: Pod
+metadata:
+  name: kubeless-cli
+  labels:
+    kiamol: ch21
+spec:
+  serviceAccountName: kubeless-cli
+  containers:
+    - name: kubeless-cli
+      image: kiamol/ch21-kubeless-cli
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: kubeless-cli
+  labels:
+    kiamol: ch21
+subjects:
+- kind: ServiceAccount
+  name: kubeless-cli
+  namespace: default
+roleRef:
+  kind: ClusterRole
+  name: cluster-admin   # tsk
+  apiGroup: rbac.authorization.k8s.io

learn/learn-kubernetes-master/kiamol/ch21/kubeless/kubeless-v1.0.7.yaml

@@ -0,0 +1,381 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: kubeless
+  labels:
+    kiamol: ch21
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRole
+metadata:
+  name: kubeless-controller-deployer
+rules:
+- apiGroups:
+  - ""
+  resources:
+  - services
+  - configmaps
+  verbs:
+  - create
+  - get
+  - delete
+  - list
+  - update
+  - patch
+- apiGroups:
+  - apps
+  - extensions
+  resources:
+  - deployments
+  verbs:
+  - create
+  - get
+  - delete
+  - list
+  - update
+  - patch
+- apiGroups:
+  - ""
+  resources:
+  - pods
+  verbs:
+  - list
+  - delete
+- apiGroups:
+  - ""
+  resourceNames:
+  - kubeless-registry-credentials
+  resources:
+  - secrets
+  verbs:
+  - get
+- apiGroups:
+  - kubeless.io
+  resources:
+  - functions
+  - httptriggers
+  - cronjobtriggers
+  verbs:
+  - get
+  - list
+  - watch
+  - update
+  - delete
+- apiGroups:
+  - batch
+  resources:
+  - cronjobs
+  - jobs
+  verbs:
+  - create
+  - get
+  - delete
+  - deletecollection
+  - list
+  - update
+  - patch
+- apiGroups:
+  - autoscaling
+  resources:
+  - horizontalpodautoscalers
+  verbs:
+  - create
+  - get
+  - delete
+  - list
+  - update
+  - patch
+- apiGroups:
+  - apiextensions.k8s.io
+  resources:
+  - customresourcedefinitions
+  verbs:
+  - get
+  - list
+- apiGroups:
+  - monitoring.coreos.com
+  resources:
+  - alertmanagers
+  - prometheuses
+  - servicemonitors
+  verbs:
+  - '*'
+- apiGroups:
+  - extensions
+  resources:
+  - ingresses
+  verbs:
+  - create
+  - get
+  - list
+  - update
+  - delete
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRoleBinding
+metadata:
+  name: kubeless-controller-deployer
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: kubeless-controller-deployer
+subjects:
+- kind: ServiceAccount
+  name: controller-acct
+  namespace: kubeless
+---
+apiVersion: apiextensions.k8s.io/v1beta1
+kind: CustomResourceDefinition
+metadata:
+  name: functions.kubeless.io
+spec:
+  group: kubeless.io
+  names:
+    kind: Function
+    plural: functions
+    singular: function
+  scope: Namespaced
+  version: v1beta1
+---
+apiVersion: apiextensions.k8s.io/v1beta1
+kind: CustomResourceDefinition
+metadata:
+  name: httptriggers.kubeless.io
+spec:
+  group: kubeless.io
+  names:
+    kind: HTTPTrigger
+    plural: httptriggers
+    singular: httptrigger
+  scope: Namespaced
+  version: v1beta1
+---
+apiVersion: apiextensions.k8s.io/v1beta1
+kind: CustomResourceDefinition
+metadata:
+  name: cronjobtriggers.kubeless.io
+spec:
+  group: kubeless.io
+  names:
+    kind: CronJobTrigger
+    plural: cronjobtriggers
+    singular: cronjobtrigger
+  scope: Namespaced
+  version: v1beta1
+---
+apiVersion: v1
+data:
+  builder-image: kubeless/function-image-builder:v1.0.7
+  builder-image-secret: ""
+  deployment: '{}'
+  enable-build-step: "false"
+  function-registry-tls-verify: "true"
+  ingress-enabled: "false"
+  provision-image: kubeless/unzip@sha256:4863100364496255de9bf8722a220dad7143ab277ac72435876eb8c93936e9d7
+  provision-image-secret: ""
+  runtime-images: '[{"ID": "ballerina", "depName": "", "fileNameSuffix": ".bal", "versions":
+    [{"images": [{"command": "/compile-function.sh $KUBELESS_FUNC_NAME", "image":
+    "ballerina/kubeless-ballerina-init@sha256:a04ca9d289c62397d0b493876f6a9ff4cc425563a47aa7e037c3b850b8ceb3e8",
+    "phase": "compilation"}, {"image": "ballerina/kubeless-ballerina@sha256:a025841010cfdf8136396efef31d4155283770d331ded6a9003e6e55f02db2e5",
+    "phase": "runtime"}], "name": "ballerina0.981.0", "version": "0.981.0"}]}, {"ID":
+    "dotnetcore", "depName": "project.csproj", "fileNameSuffix": ".cs", "versions":
+    [{"images": [{"command": "/app/compile-function.sh $KUBELESS_INSTALL_VOLUME",
+    "image": "allantargino/aspnetcore-build@sha256:0d60f845ff6c9c019362a68b87b3920f3eb2d32f847f2d75e4d190cc0ce1d81c",
+    "phase": "compilation"}, {"env": {"DOTNETCORE_HOME": "$(KUBELESS_INSTALL_VOLUME)/packages"},
+    "image": "allantargino/kubeless-dotnetcore@sha256:1699b07d9fc0276ddfecc2f823f272d96fd58bbab82d7e67f2fd4982a95aeadc",
+    "phase": "runtime"}], "name": "dotnetcore2.0", "version": "2.0"}, {"images": [{"command":
+    "/app/compile-function.sh $KUBELESS_INSTALL_VOLUME", "image": "allantargino/aspnetcore-build@sha256:36123cf0279b87c5d27d69558062678a5353cc6db238af46bd5c0e508109f659",
+    "phase": "compilation"}, {"env": {"DOTNETCORE_HOME": "$(KUBELESS_INSTALL_VOLUME)/packages"},
+    "image": "allantargino/kubeless-dotnetcore@sha256:6d6c659807881e9dac7adde305867163ced5711ef77a3a76e50112bca1ba14cf",
+    "phase": "runtime"}], "name": "dotnetcore2.1", "version": "2.1"}, {"images": [{"command":
+    "/app/compile-function.sh $KUBELESS_INSTALL_VOLUME", "image": "lennartquerter/kubless_compile_dotnetcore22:4761f204190ad59807b9231e096cbcb3901226cd",
+    "phase": "compilation"}, {"env": {"DOTNETCORE_HOME": "$(KUBELESS_INSTALL_VOLUME)/packages"},
+    "image": "lennartquerter/kubless_runtime_dotnetcore22:4761f204190ad59807b9231e096cbcb3901226cd",
+    "phase": "runtime"}], "name": "dotnetcore2.2", "version": "2.2"}, {"images": [{"command":
+    "/app/compile-function.sh $KUBELESS_INSTALL_VOLUME", "image": "lorenzoangelini3/kubeless-compile-dotnetcore31@sha256:4e6adfe873f7c4cd5e0d582bb5122f94c6d6ea73baa03b486dd93b8406deb8ca",
+    "phase": "compilation"}, {"env": {"DOTNETCORE_HOME": "$(KUBELESS_INSTALL_VOLUME)/packages"},
+    "image": "lorenzoangelini3/kubeless-runtime-dotnetcore31@sha256:4a2d94bd6da4aee612a2009d863beb554c43e61199d8d3fc4bf2d28b5673940b",
+    "phase": "runtime"}], "name": "dotnetcore3.1", "version": "3.1"}]}, {"ID": "go",
+    "depName": "go.mod", "fileNameSuffix": ".go", "versions": [{"images": [{"command":
+    "/compile-function.sh", "env": {"GOCACHE": "$(KUBELESS_INSTALL_VOLUME)/.cache"},
+    "image": "kubeless/go-init:1.13@sha256:7cdebecd772639c2238e6414101195cb8634c8eee73a6b473b7e39f3e094eb7c",
+    "phase": "compilation"}, {"image": "kubeless/go@sha256:55759228714d7080b3dd858e56530d4e1f539d071906e88d88b454ee3b3c9b16",
+    "phase": "runtime"}], "name": "go1.13", "version": "1.13"}, {"images": [{"command":
+    "/compile-function.sh", "env": {"GOCACHE": "$(KUBELESS_INSTALL_VOLUME)/.cache"},
+    "image": "kubeless/go-init:1.14@sha256:403164254efabf735e98e73b7f6f65f14333ed792798c7c3d3d9a33ca91acf7a",
+    "phase": "compilation"}, {"image": "kubeless/go@sha256:55759228714d7080b3dd858e56530d4e1f539d071906e88d88b454ee3b3c9b16",
+    "phase": "runtime"}], "name": "go1.14", "version": "1.14"}]}, {"ID": "java", "depName":
+    "pom.xml", "fileNameSuffix": ".java", "versions": [{"images": [{"command": "/compile-function.sh",
+    "image": "kubeless/java-init@sha256:e8e7b55b79240f315f104604ec0685dbb1b584664772e1f0fe78c7b6369159fe",
+    "phase": "compilation"}, {"image": "kubeless/java@sha256:f8f2c72b0c6218f25eef762aa9e8957ea2b8f448bd4b54fbb7acbb0ab64c1b0f",
+    "phase": "runtime"}], "name": "java1.8", "version": "1.8"}, {"images": [{"command":
+    "/compile-function.sh", "image": "kubeless/java-init@sha256:971cb482b47d644e28d3d9ceaa3a20bb0f914f2efaee0348f189840466cce663",
+    "phase": "compilation"}, {"image": "kubeless/java@sha256:b983f701e1796f3d9a3455f8f08c057bae493835364b08b5cdfac582a2b91d70",
+    "phase": "runtime"}], "name": "java11", "version": "11"}]}, {"ID": "nodejs", "depName":
+    "package.json", "fileNameSuffix": ".js", "versions": [{"images": [{"command":
+    "/kubeless-npm-install.sh", "image": "kubeless/nodejs@sha256:d36e13e876d0d92cbf4b9a62e181b27bfdaed5b9ec0b7c46759f9e11fce68c6e",
+    "phase": "installation"}, {"env": {"NODE_PATH": "$(KUBELESS_INSTALL_VOLUME)/node_modules"},
+    "image": "kubeless/nodejs@sha256:d36e13e876d0d92cbf4b9a62e181b27bfdaed5b9ec0b7c46759f9e11fce68c6e",
+    "phase": "runtime"}], "name": "node6", "version": "6"}, {"images": [{"command":
+    "/kubeless-npm-install.sh", "image": "kubeless/nodejs@sha256:40df41562637802e34129f31e66f6e0ab388da6d8a33c9849bb9ea652d44dc3d",
+    "phase": "installation"}, {"env": {"NODE_PATH": "$(KUBELESS_INSTALL_VOLUME)/node_modules"},
+    "image": "kubeless/nodejs@sha256:40df41562637802e34129f31e66f6e0ab388da6d8a33c9849bb9ea652d44dc3d",
+    "phase": "runtime"}], "name": "node8", "version": "8"}, {"images": [{"command":
+    "/kubeless-npm-install.sh", "image": "kubeless/nodejs@sha256:74f8428ba9e98b6849ab34d2d1b5c38381b1de471090f7cc3dc9f72322f8c921",
+    "phase": "installation"}, {"env": {"NODE_PATH": "$(KUBELESS_INSTALL_VOLUME)/node_modules"},
+    "image": "kubeless/nodejs@sha256:74f8428ba9e98b6849ab34d2d1b5c38381b1de471090f7cc3dc9f72322f8c921",
+    "phase": "runtime"}], "name": "node10", "version": "10"}, {"images": [{"command":
+    "/kubeless-npm-install.sh", "image": "kubeless/nodejs@sha256:2a0824cba4486dcc0508b6424b29878ccf57057023c391c1a30ddb09fa9b8503",
+    "phase": "installation"}, {"env": {"NODE_PATH": "$(KUBELESS_INSTALL_VOLUME)/node_modules"},
+    "image": "kubeless/nodejs@sha256:2a0824cba4486dcc0508b6424b29878ccf57057023c391c1a30ddb09fa9b8503",
+    "phase": "runtime"}], "name": "node12", "version": "12"}]}, {"ID": "php", "depName":
+    "composer.json", "fileNameSuffix": ".php", "versions": [{"images": [{"command":
+    "composer install -d $KUBELESS_INSTALL_VOLUME", "image": "composer:1.6", "phase":
+    "installation"}, {"image": "kubeless/php@sha256:a22a88fc7e0f46d185224a0179451187d6ab44b89c070807bf92a305ce416e4a",
+    "phase": "runtime"}], "name": "php72", "version": "7.2"}, {"images": [{"command":
+    "composer install -d $KUBELESS_INSTALL_VOLUME", "image": "composer:1.6", "phase":
+    "installation"}, {"image": "kubeless/php@sha256:eec60c68440ca2e09dbac63718916ffbaa68e2d123a3faaca1bca2d7646f250f",
+    "phase": "runtime"}], "name": "php73", "version": "7.3"}]}, {"ID": "python", "depName":
+    "requirements.txt", "fileNameSuffix": ".py", "versions": [{"images": [{"command":
+    "pip install --prefix=$KUBELESS_INSTALL_VOLUME -r $KUBELESS_DEPS_FILE", "image":
+    "python:2.7", "phase": "installation"}, {"env": {"PYTHONPATH": "$(KUBELESS_INSTALL_VOLUME)/lib/python2.7/site-packages:$(KUBELESS_INSTALL_VOLUME)"},
+    "image": "kubeless/python@sha256:ce8181c88ea093659d79e0f33b2be5dd3b8c75d25c0f465fdedf7dfc3a6a1e5a",
+    "phase": "runtime"}], "name": "python27", "version": "2.7"}, {"images": [{"command":
+    "pip install --prefix=$KUBELESS_INSTALL_VOLUME -r $KUBELESS_DEPS_FILE", "image":
+    "python:3.4", "phase": "installation"}, {"env": {"PYTHONPATH": "$(KUBELESS_INSTALL_VOLUME)/lib/python3.4/site-packages:$(KUBELESS_INSTALL_VOLUME)"},
+    "image": "kubeless/python@sha256:55e1169c69df25960dd4434566c72a4c6da8e43a7abd8e3d3f5638a6c186e9fe",
+    "phase": "runtime"}], "name": "python34", "version": "3.4"}, {"images": [{"command":
+    "pip install --prefix=$KUBELESS_INSTALL_VOLUME -r $KUBELESS_DEPS_FILE", "image":
+    "python:3.6", "phase": "installation"}, {"env": {"PYTHONPATH": "$(KUBELESS_INSTALL_VOLUME)/lib/python3.6/site-packages:$(KUBELESS_INSTALL_VOLUME)"},
+    "image": "kubeless/python@sha256:63dc8e71d6e6f39561121763c23640373ee00eecfa630db1c01edf247c2204d9",
+    "phase": "runtime"}], "name": "python36", "version": "3.6"}, {"images": [{"command":
+    "pip install --prefix=$KUBELESS_INSTALL_VOLUME -r $KUBELESS_DEPS_FILE", "image":
+    "python:3.7", "phase": "installation"}, {"env": {"PYTHONPATH": "$(KUBELESS_INSTALL_VOLUME)/lib/python3.7/site-packages:$(KUBELESS_INSTALL_VOLUME)"},
+    "image": "kubeless/python@sha256:76a32b0f4e11f02cd9e51147f4c3fed870c1ee2c9463167e9ef0e6856de99794",
+    "phase": "runtime"}], "name": "python37", "version": "3.7"}]}, {"ID": "ruby",
+    "depName": "Gemfile", "fileNameSuffix": ".rb", "versions": [{"images": [{"command":
+    "bundle install --gemfile=$KUBELESS_DEPS_FILE --path=$KUBELESS_INSTALL_VOLUME",
+    "image": "bitnami/ruby:2.3", "phase": "installation"}, {"env": {"GEM_HOME": "$(KUBELESS_INSTALL_VOLUME)/ruby/2.3.0"},
+    "image": "kubeless/ruby@sha256:67870b57adebc4dc749a8a19795da801da2d05fc6e8324168ac1b227bb7c77f7",
+    "phase": "runtime"}], "name": "ruby23", "version": "2.3"}, {"images": [{"command":
+    "bundle install --gemfile=$KUBELESS_DEPS_FILE --path=$KUBELESS_INSTALL_VOLUME",
+    "image": "bitnami/ruby:2.4", "phase": "installation"}, {"env": {"GEM_HOME": "$(KUBELESS_INSTALL_VOLUME)/ruby/2.4.0"},
+    "image": "kubeless/ruby@sha256:f56ec50fafee09ae0ced9c8393b6874dc5072e4786c62d52b62b3f395643b423",
+    "phase": "runtime"}], "name": "ruby24", "version": "2.4"}, {"images": [{"command":
+    "bundle install --gemfile=$KUBELESS_DEPS_FILE --path=$KUBELESS_INSTALL_VOLUME",
+    "image": "bitnami/ruby:2.5", "phase": "installation"}, {"env": {"GEM_HOME": "$(KUBELESS_INSTALL_VOLUME)/ruby/2.5.0"},
+    "image": "kubeless/ruby@sha256:9a1b51da87617024ef33fc131fe673d35fe2600f06137e40301d7a4552669c7b",
+    "phase": "runtime"}], "name": "ruby25", "version": "2.5"}, {"images": [{"command":
+    "bundle install --gemfile=$KUBELESS_DEPS_FILE --path=$KUBELESS_INSTALL_VOLUME",
+    "image": "bitnami/ruby:2.6", "phase": "installation"}, {"env": {"GEM_HOME": "$(KUBELESS_INSTALL_VOLUME)/ruby/2.6.0"},
+    "image": "kubeless/ruby@sha256:e93ec41f43392cc1aaf6763f484aa66850b852c4a8d6841afbe8cb72aab7d810",
+    "phase": "runtime"}], "name": "ruby26", "version": "2.6"}]}, {"ID": "jvm", "depName":
+    "", "fileNameSuffix": ".jar", "versions": [{"images": [{"command": "mv /kubeless/*
+    /kubeless/payload.jar && cp /opt/*.jar /kubeless/ > /dev/termination-log 2>&1",
+    "image": "caraboides/jvm-init@sha256:e57dbf3f56570a196d68bce1c0695102b2dbe3ae2ca6d1c704476a7a11542f1d",
+    "phase": "compilation"}, {"image": "caraboides/jvm@sha256:2870c4f48df4feb2ee7478a152b44840d781d4b1380ad3fa44b3c7ff314faded",
+    "phase": "runtime"}], "name": "jvm1.8", "version": "1.8"}]}, {"ID": "nodejs_distroless",
+    "depName": "package.json", "fileNameSuffix": ".js", "versions": [{"images": [{"command":
+    "/kubeless-npm-install.sh", "image": "kubeless/nodejs@sha256:424add88dc2a7fdc45012593159794d59a6ea4aafadfffb632d21ae53b1d262b",
+    "phase": "installation"}, {"env": {"NODE_PATH": "$(KUBELESS_INSTALL_VOLUME)/node_modules"},
+    "image": "kubeless/nodejs-distroless@sha256:1fa0469c5520f4e08d89b1fafd2cacf03f098b96ea04997fa52bb9ef2a180fb3",
+    "phase": "runtime"}], "name": "node8", "version": "8"}]}, {"ID": "nodejsCE", "depName":
+    "package.json", "fileNameSuffix": ".js", "versions": [{"images": [{"command":
+    "/kubeless-npm-install.sh", "image": "kubeless/nodejs@sha256:456d98f6f15588b21f5110facf1cc203065840d4c227afa61d17c6c1fa98b3b6",
+    "phase": "installation"}, {"env": {"NODE_PATH": "$(KUBELESS_INSTALL_VOLUME)/node_modules"},
+    "image": "andresmgot/nodejs-ce@sha256:708c265d22a8a1599e05da844d26bc63e2f66f859ffecd2fcb541ecac9c66780",
+    "phase": "runtime"}], "name": "node8", "version": "8"}]}, {"ID": "vertx", "depName":
+    "pom.xml", "fileNameSuffix": ".java", "versions": [{"images": [{"command": "/compile-function.sh",
+    "image": "oscardovao/vertx-init@sha256:6665629b3239eb1d81654381b02c3dd4b87ddb0a1b0b49acc165f0ff53264e0b",
+    "phase": "compilation"}, {"image": "oscardovao/vertx@sha256:96243e5937a875422d6165e59f1fdb350f1a6d5befbd89f26968abea4345ade1",
+    "phase": "runtime"}], "name": "vertx1.8", "version": "1.8"}]}]'
+  service-type: ClusterIP
+kind: ConfigMap
+metadata:
+  name: kubeless-config
+  namespace: kubeless
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    kubeless: controller
+  name: kubeless-controller-manager
+  namespace: kubeless
+spec:
+  selector:
+    matchLabels:
+      kubeless: controller
+  template:
+    metadata:
+      labels:
+        kubeless: controller
+    spec:
+      containers:
+      - env:
+        - name: KUBELESS_INGRESS_ENABLED
+          valueFrom:
+            configMapKeyRef:
+              key: ingress-enabled
+              name: kubeless-config
+        - name: KUBELESS_SERVICE_TYPE
+          valueFrom:
+            configMapKeyRef:
+              key: service-type
+              name: kubeless-config
+        - name: KUBELESS_NAMESPACE
+          valueFrom:
+            fieldRef:
+              fieldPath: metadata.namespace
+        - name: KUBELESS_CONFIG
+          value: kubeless-config
+        image: kubeless/function-controller:v1.0.7
+        imagePullPolicy: IfNotPresent
+        name: kubeless-function-controller
+      - env:
+        - name: KUBELESS_INGRESS_ENABLED
+          valueFrom:
+            configMapKeyRef:
+              key: ingress-enabled
+              name: kubeless-config
+        - name: KUBELESS_SERVICE_TYPE
+          valueFrom:
+            configMapKeyRef:
+              key: service-type
+              name: kubeless-config
+        - name: KUBELESS_NAMESPACE
+          valueFrom:
+            fieldRef:
+              fieldPath: metadata.namespace
+        - name: KUBELESS_CONFIG
+          value: kubeless-config
+        image: kubeless/http-trigger-controller:v1.0.1
+        imagePullPolicy: IfNotPresent
+        name: http-trigger-controller
+      - env:
+        - name: KUBELESS_INGRESS_ENABLED
+          valueFrom:
+            configMapKeyRef:
+              key: ingress-enabled
+              name: kubeless-config
+        - name: KUBELESS_SERVICE_TYPE
+          valueFrom:
+            configMapKeyRef:
+              key: service-type
+              name: kubeless-config
+        - name: KUBELESS_NAMESPACE
+          valueFrom:
+            fieldRef:
+              fieldPath: metadata.namespace
+        - name: KUBELESS_CONFIG
+          value: kubeless-config
+        image: kubeless/cronjob-trigger-controller:v1.0.1
+        imagePullPolicy: IfNotPresent
+        name: cronjob-trigger-controller
+      serviceAccountName: controller-acct
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: controller-acct
+  namespace: kubeless

learn/learn-kubernetes-master/kiamol/ch21/kubeless/nats-trigger/nats-v1.0.0.yaml

@@ -0,0 +1,82 @@
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    kubeless: nats-trigger-controller
+  name: nats-trigger-controller
+  namespace: kubeless
+spec:
+  selector:
+    matchLabels:
+      kubeless: nats-trigger-controller
+  template:
+    metadata:
+      labels:
+        kubeless: nats-trigger-controller
+    spec:
+      containers:
+      - env:
+        - name: NATS_URL
+          value: nats://message-queue.default.svc.cluster.local:4222
+        - name: KUBELESS_NAMESPACE
+          valueFrom:
+            fieldRef:
+              fieldPath: metadata.namespace
+        - name: KUBELESS_CONFIG
+          value: kubeless-config
+        image: kubeless/nats-trigger-controller:v1.0.0
+        imagePullPolicy: IfNotPresent
+        name: nats-trigger-controller
+      serviceAccountName: controller-acct
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRole
+metadata:
+  name: nats-controller-deployer
+rules:
+- apiGroups:
+  - ""
+  resources:
+  - services
+  - configmaps
+  verbs:
+  - get
+  - list
+- apiGroups:
+  - kubeless.io
+  resources:
+  - functions
+  - natstriggers
+  verbs:
+  - get
+  - list
+  - watch
+  - update
+  - delete
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRoleBinding
+metadata:
+  name: nats-controller-deployer
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: nats-controller-deployer
+subjects:
+- kind: ServiceAccount
+  name: controller-acct
+  namespace: kubeless
+---
+apiVersion: apiextensions.k8s.io/v1beta1
+kind: CustomResourceDefinition
+metadata:
+  name: natstriggers.kubeless.io
+spec:
+  group: kubeless.io
+  names:
+    kind: NATSTrigger
+    plural: natstriggers
+    singular: natstrigger
+  scope: Namespaced
+  version: v1beta1

learn/learn-kubernetes-master/kiamol/ch21/lab/README.md

@@ -0,0 +1,58 @@
+# Ch20 lab
+
+## Setup
+
+Deploy Knative with Contour:
+
+```
+kubectl apply -f lab/knative/
+```
+
+Deploy the to-do app:
+
+```
+kubectl apply -f lab/todo-list/
+```
+
+Get the ingress URL:
+
+```
+kubectl get svc -n contour-external envoy -o jsonpath='http://{.status.loadBalancer.ingress[0].*}:80'
+```
+
+> Map your `hosts` file to use the Contour IP for `todo.kiamol.local` and `api.todo.kiamol.local`
+
+
+## Solution
+
+I've used a [Knative Service custom resource](./solution/todo-api.yaml) which specifies the API container image.
+
+```
+kubectl apply -f lab/solution/todo-api.yaml
+```
+
+Check the Knative Service is running:
+
+```
+kubectl get ksvc -n todo
+```
+
+Invoke the function:
+
+```
+curl --data 'Write KIAMOL ch22' http://api.todo.kiamol.local/todos
+```
+
+Print the function logs - you should see the event being published:
+
+```
+kubectl -n todo logs -l serving.knative.dev/service=api -c user-container
+```
+
+Print the save handler logs - you should see the new item being saved:
+
+```
+kubectl -n todo logs -l component=save-handler
+```
+
+> Browse to http://todo.kiamol.local to see the new item

learn/learn-kubernetes-master/kiamol/ch21/lab/knative/01-serving-crds.yaml

@@ -0,0 +1,652 @@
+# Copyright 2019 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
+#
+#     https://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.
+
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  name: certificates.networking.internal.knative.dev
+  labels:
+    serving.knative.dev/release: "v0.16.0"
+    knative.dev/crd-install: "true"
+spec:
+  group: networking.internal.knative.dev
+  versions:
+  - name: v1alpha1
+    served: true
+    storage: true
+    subresources:
+      status: {}
+    schema:
+      openAPIV3Schema:
+        type: object
+        # this is a work around so we don't need to flush out the
+        # schema for each version at this time
+        #
+        # see issue: https://github.com/knative/serving/issues/912
+        x-kubernetes-preserve-unknown-fields: true
+    additionalPrinterColumns:
+    - name: Ready
+      type: string
+      jsonPath: ".status.conditions[?(@.type==\"Ready\")].status"
+    - name: Reason
+      type: string
+      jsonPath: ".status.conditions[?(@.type==\"Ready\")].reason"
+  names:
+    kind: Certificate
+    plural: certificates
+    singular: certificate
+    categories:
+    - knative-internal
+    - networking
+    shortNames:
+    - kcert
+  scope: Namespaced
+
+---
+# Copyright 2019 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
+#
+#     https://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.
+
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  name: configurations.serving.knative.dev
+  labels:
+    serving.knative.dev/release: "v0.16.0"
+    knative.dev/crd-install: "true"
+    duck.knative.dev/podspecable: "true"
+spec:
+  group: serving.knative.dev
+  versions:
+  - &version
+    name: v1alpha1
+    served: true
+    storage: false
+    subresources:
+      status: {}
+    schema:
+      openAPIV3Schema:
+        type: object
+        # this is a work around so we don't need to flush out the
+        # schema for each version at this time
+        #
+        # see issue: https://github.com/knative/serving/issues/912
+        x-kubernetes-preserve-unknown-fields: true
+    additionalPrinterColumns:
+    - name: LatestCreated
+      type: string
+      jsonPath: .status.latestCreatedRevisionName
+    - name: LatestReady
+      type: string
+      jsonPath: .status.latestReadyRevisionName
+    - name: Ready
+      type: string
+      jsonPath: ".status.conditions[?(@.type=='Ready')].status"
+    - name: Reason
+      type: string
+      jsonPath: ".status.conditions[?(@.type=='Ready')].reason"
+  - !!merge <<: *version
+    name: v1beta1
+  - !!merge <<: *version
+    name: v1
+    storage: true
+  names:
+    kind: Configuration
+    plural: configurations
+    singular: configuration
+    categories:
+    - all
+    - knative
+    - serving
+    shortNames:
+    - config
+    - cfg
+  scope: Namespaced
+  conversion:
+    strategy: Webhook
+    webhook:
+      conversionReviewVersions: ["v1", "v1beta1"]
+      clientConfig:
+        service:
+          name: webhook
+          namespace: knative-serving
+
+---
+# Copyright 2019 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
+#
+#     https://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.
+
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  name: ingresses.networking.internal.knative.dev
+  labels:
+    serving.knative.dev/release: "v0.16.0"
+    knative.dev/crd-install: "true"
+spec:
+  group: networking.internal.knative.dev
+  versions:
+  - name: v1alpha1
+    served: true
+    storage: true
+    subresources:
+      status: {}
+    schema:
+      openAPIV3Schema:
+        type: object
+        # this is a work around so we don't need to flush out the
+        # schema for each version at this time
+        #
+        # see issue: https://github.com/knative/serving/issues/912
+        x-kubernetes-preserve-unknown-fields: true
+    additionalPrinterColumns:
+    - name: Ready
+      type: string
+      jsonPath: ".status.conditions[?(@.type=='Ready')].status"
+    - name: Reason
+      type: string
+      jsonPath: ".status.conditions[?(@.type=='Ready')].reason"
+  names:
+    kind: Ingress
+    plural: ingresses
+    singular: ingress
+    categories:
+    - knative-internal
+    - networking
+    shortNames:
+    - kingress
+    - king
+  scope: Namespaced
+
+---
+# Copyright 2019 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
+#
+#     https://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.
+
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  name: metrics.autoscaling.internal.knative.dev
+  labels:
+    serving.knative.dev/release: "v0.16.0"
+    knative.dev/crd-install: "true"
+spec:
+  group: autoscaling.internal.knative.dev
+  versions:
+  - name: v1alpha1
+    served: true
+    storage: true
+    subresources:
+      status: {}
+    schema:
+      openAPIV3Schema:
+        type: object
+        # this is a work around so we don't need to flush out the
+        # schema for each version at this time
+        #
+        # see issue: https://github.com/knative/serving/issues/912
+        x-kubernetes-preserve-unknown-fields: true
+    additionalPrinterColumns:
+    - name: Ready
+      type: string
+      jsonPath: ".status.conditions[?(@.type=='Ready')].status"
+    - name: Reason
+      type: string
+      jsonPath: ".status.conditions[?(@.type=='Ready')].reason"
+  names:
+    kind: Metric
+    plural: metrics
+    singular: metric
+    categories:
+    - knative-internal
+    - autoscaling
+  scope: Namespaced
+
+---
+# Copyright 2018 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
+#
+#     https://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.
+
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  name: podautoscalers.autoscaling.internal.knative.dev
+  labels:
+    serving.knative.dev/release: "v0.16.0"
+    knative.dev/crd-install: "true"
+spec:
+  group: autoscaling.internal.knative.dev
+  versions:
+  - name: v1alpha1
+    served: true
+    storage: true
+    subresources:
+      status: {}
+    schema:
+      openAPIV3Schema:
+        type: object
+        # this is a work around so we don't need to flush out the
+        # schema for each version at this time
+        #
+        # see issue: https://github.com/knative/serving/issues/912
+        x-kubernetes-preserve-unknown-fields: true
+    additionalPrinterColumns:
+    - name: DesiredScale
+      type: integer
+      jsonPath: ".status.desiredScale"
+    - name: ActualScale
+      type: integer
+      jsonPath: ".status.actualScale"
+    - name: Ready
+      type: string
+      jsonPath: ".status.conditions[?(@.type=='Ready')].status"
+    - name: Reason
+      type: string
+      jsonPath: ".status.conditions[?(@.type=='Ready')].reason"
+  names:
+    kind: PodAutoscaler
+    plural: podautoscalers
+    singular: podautoscaler
+    categories:
+    - knative-internal
+    - autoscaling
+    shortNames:
+    - kpa
+    - pa
+  scope: Namespaced
+
+---
+# Copyright 2019 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
+#
+#     https://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.
+
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  name: revisions.serving.knative.dev
+  labels:
+    serving.knative.dev/release: "v0.16.0"
+    knative.dev/crd-install: "true"
+spec:
+  group: serving.knative.dev
+  versions:
+  - &version
+    name: v1alpha1
+    served: true
+    storage: false
+    subresources:
+      status: {}
+    schema:
+      openAPIV3Schema:
+        type: object
+        # this is a work around so we don't need to flush out the
+        # schema for each version at this time
+        #
+        # see issue: https://github.com/knative/serving/issues/912
+        x-kubernetes-preserve-unknown-fields: true
+    additionalPrinterColumns:
+    - name: Config Name
+      type: string
+      jsonPath: ".metadata.labels['serving\\.knative\\.dev/configuration']"
+    - name: K8s Service Name
+      type: string
+      jsonPath: ".status.serviceName"
+    - name: Generation
+      type: string # int in string form :(
+      jsonPath: ".metadata.labels['serving\\.knative\\.dev/configurationGeneration']"
+    - name: Ready
+      type: string
+      jsonPath: ".status.conditions[?(@.type=='Ready')].status"
+    - name: Reason
+      type: string
+      jsonPath: ".status.conditions[?(@.type=='Ready')].reason"
+  - !!merge <<: *version
+    name: v1beta1
+  - !!merge <<: *version
+    name: v1
+    storage: true
+  names:
+    kind: Revision
+    plural: revisions
+    singular: revision
+    categories:
+    - all
+    - knative
+    - serving
+    shortNames:
+    - rev
+  scope: Namespaced
+  conversion:
+    strategy: Webhook
+    webhook:
+      conversionReviewVersions: ["v1", "v1beta1"]
+      clientConfig:
+        service:
+          name: webhook
+          namespace: knative-serving
+
+---
+# Copyright 2019 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
+#
+#     https://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.
+
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  name: routes.serving.knative.dev
+  labels:
+    serving.knative.dev/release: "v0.16.0"
+    knative.dev/crd-install: "true"
+    duck.knative.dev/addressable: "true"
+spec:
+  group: serving.knative.dev
+  versions:
+  - &version
+    name: v1alpha1
+    served: true
+    storage: false
+    subresources:
+      status: {}
+    schema:
+      openAPIV3Schema:
+        type: object
+        # this is a work around so we don't need to flush out the
+        # schema for each version at this time
+        #
+        # see issue: https://github.com/knative/serving/issues/912
+        x-kubernetes-preserve-unknown-fields: true
+    additionalPrinterColumns:
+    - name: URL
+      type: string
+      jsonPath: .status.url
+    - name: Ready
+      type: string
+      jsonPath: ".status.conditions[?(@.type=='Ready')].status"
+    - name: Reason
+      type: string
+      jsonPath: ".status.conditions[?(@.type=='Ready')].reason"
+  - !!merge <<: *version
+    name: v1beta1
+  - !!merge <<: *version
+    name: v1
+    storage: true
+  names:
+    kind: Route
+    plural: routes
+    singular: route
+    categories:
+    - all
+    - knative
+    - serving
+    shortNames:
+    - rt
+  scope: Namespaced
+  conversion:
+    strategy: Webhook
+    webhook:
+      conversionReviewVersions: ["v1", "v1beta1"]
+      clientConfig:
+        service:
+          name: webhook
+          namespace: knative-serving
+
+---
+# Copyright 2019 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
+#
+#     https://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.
+
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  name: serverlessservices.networking.internal.knative.dev
+  labels:
+    serving.knative.dev/release: "v0.16.0"
+    knative.dev/crd-install: "true"
+spec:
+  group: networking.internal.knative.dev
+  versions:
+  - name: v1alpha1
+    served: true
+    storage: true
+    subresources:
+      status: {}
+    schema:
+      openAPIV3Schema:
+        type: object
+        # this is a work around so we don't need to flush out the
+        # schema for each version at this time
+        #
+        # see issue: https://github.com/knative/serving/issues/912
+        x-kubernetes-preserve-unknown-fields: true
+    additionalPrinterColumns:
+    - name: Mode
+      type: string
+      jsonPath: ".spec.mode"
+    - name: Activators
+      type: integer
+      jsonPath: ".spec.numActivators"
+    - name: ServiceName
+      type: string
+      jsonPath: ".status.serviceName"
+    - name: PrivateServiceName
+      type: string
+      jsonPath: ".status.privateServiceName"
+    - name: Ready
+      type: string
+      jsonPath: ".status.conditions[?(@.type=='Ready')].status"
+    - name: Reason
+      type: string
+      jsonPath: ".status.conditions[?(@.type=='Ready')].reason"
+  names:
+    kind: ServerlessService
+    plural: serverlessservices
+    singular: serverlessservice
+    categories:
+    - knative-internal
+    - networking
+    shortNames:
+    - sks
+  scope: Namespaced
+
+---
+# Copyright 2019 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
+#
+#     https://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.
+
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  name: services.serving.knative.dev
+  labels:
+    serving.knative.dev/release: "v0.16.0"
+    knative.dev/crd-install: "true"
+    duck.knative.dev/addressable: "true"
+    duck.knative.dev/podspecable: "true"
+spec:
+  group: serving.knative.dev
+  versions:
+  - &version
+    name: v1alpha1
+    served: true
+    storage: false
+    subresources:
+      status: {}
+    schema:
+      openAPIV3Schema:
+        type: object
+        # this is a work around so we don't need to flush out the
+        # schema for each version at this time
+        #
+        # see issue: https://github.com/knative/serving/issues/912
+        x-kubernetes-preserve-unknown-fields: true
+    additionalPrinterColumns:
+    - name: URL
+      type: string
+      jsonPath: .status.url
+    - name: LatestCreated
+      type: string
+      jsonPath: .status.latestCreatedRevisionName
+    - name: LatestReady
+      type: string
+      jsonPath: .status.latestReadyRevisionName
+    - name: Ready
+      type: string
+      jsonPath: ".status.conditions[?(@.type=='Ready')].status"
+    - name: Reason
+      type: string
+      jsonPath: ".status.conditions[?(@.type=='Ready')].reason"
+  - !!merge <<: *version
+    name: v1beta1
+  - !!merge <<: *version
+    name: v1
+    storage: true
+  names:
+    kind: Service
+    plural: services
+    singular: service
+    categories:
+    - all
+    - knative
+    - serving
+    shortNames:
+    - kservice
+    - ksvc
+  scope: Namespaced
+  conversion:
+    strategy: Webhook
+    webhook:
+      conversionReviewVersions: ["v1", "v1beta1"]
+      clientConfig:
+        service:
+          name: webhook
+          namespace: knative-serving
+
+---
+# Copyright 2018 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
+#
+#     https://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.
+
+apiVersion: apiextensions.k8s.io/v1beta1
+kind: CustomResourceDefinition
+metadata:
+  name: images.caching.internal.knative.dev
+  labels:
+    knative.dev/crd-install: "true"
+spec:
+  group: caching.internal.knative.dev
+  version: v1alpha1
+  names:
+    kind: Image
+    plural: images
+    singular: image
+    categories:
+    - knative-internal
+    - caching
+    shortNames:
+    - img
+  scope: Namespaced
+  subresources:
+    status: {}
+
+---

learn/learn-kubernetes-master/kiamol/ch21/lab/knative/04-net-contour.yaml

@@ -0,0 +1,124 @@
+# Not used directly, this lets the knative-serving service account reconcile
+# HTTPProxy resources.
+kind: ClusterRole
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: knative-contour-core
+  labels:
+    networking.knative.dev/ingress-provider: contour
+    serving.knative.dev/controller: "true"
+rules:
+- apiGroups: ["projectcontour.io"]
+  resources: ["httpproxies"]
+  verbs: ["get", "list", "create", "update", "delete", "deletecollection", "patch",
+    "watch"]
+
+---
+# Copyright 2019 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
+#
+#     https://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.
+
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: config-contour
+  namespace: knative-serving
+  labels:
+    networking.knative.dev/ingress-provider: contour
+    serving.knative.dev/release: "v0.16.0"
+data:
+  _example: |
+    ################################
+    #                              #
+    #    EXAMPLE CONFIGURATION     #
+    #                              #
+    ################################
+
+    # visibility contains the configuration for how to expose services
+    # of assorted visibilities.  Each entry is keyed by the visibility
+    # and contains two keys:
+    #  1. the "class" value to pass to the Contour class annotations,
+    #  2. the namespace/name of the Contour Envoy service.
+    visibility: |
+      ExternalIP:
+        class: contour-external
+        service: contour-external/envoy
+      ClusterLocal:
+        class: contour-internal
+        service: contour-internal/envoy
+
+---
+# Copyright 2020 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
+#
+#     https://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.
+
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: contour-ingress-controller
+  namespace: knative-serving
+  labels:
+    networking.knative.dev/ingress-provider: contour
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: contour-ingress-controller
+  template:
+    metadata:
+      labels:
+        app: contour-ingress-controller
+    spec:
+      serviceAccountName: controller
+      containers:
+      - name: controller
+        # This is the Go import path for the binary that is containerized
+        # and substituted here.
+        image: gcr.io/knative-releases/knative.dev/net-contour/cmd/controller@sha256:07ddbb34ac2d8412569eff362b3a51ad88fa2ca03b82aec41f655b81530c5226
+        resources:
+          requests:
+            cpu: 40m
+            memory: 40Mi
+          limits:
+            cpu: 400m
+            memory: 400Mi
+        env:
+        - name: SYSTEM_NAMESPACE
+          valueFrom:
+            fieldRef:
+              fieldPath: metadata.namespace
+        - name: CONFIG_LOGGING_NAME
+          value: config-logging
+        - name: CONFIG_OBSERVABILITY_NAME
+          value: config-observability
+        - name: METRICS_DOMAIN
+          value: knative.dev/net-contour
+        ports:
+        - name: metrics
+          containerPort: 9090
+        - name: profiling
+          containerPort: 8008
+        securityContext:
+          allowPrivilegeEscalation: false
+
+---

learn/learn-kubernetes-master/kiamol/ch21/lab/knative/05-config.yaml

@@ -0,0 +1,19 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: config-network
+  namespace: knative-serving
+  labels:
+    serving.knative.dev/release: "v0.16.0"
+  annotations:
+    knative.dev/example-checksum: c7f290c9
+data:
+  ingress.class: "contour.ingress.networking.knative.dev"
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: config-domain
+  namespace: knative-serving
+data:
+  kiamol.local: ""

learn/learn-kubernetes-master/kiamol/ch21/lab/solution/todo-api.yaml

@@ -0,0 +1,12 @@
+apiVersion: serving.knative.dev/v1 
+kind: Service
+metadata:
+  name: api
+  namespace: todo
+  labels:
+    kiamol: ch21-lab
+spec:
+  template:
+    spec:
+      containers:
+        - image: kiamol/ch21-todo-api

learn/learn-kubernetes-master/kiamol/ch21/lab/todo-list/01-namespace.yaml

@@ -0,0 +1,6 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: todo
+  labels:
+    kiamol: ch21-lab

learn/learn-kubernetes-master/kiamol/ch21/lab/todo-list/todo-db-deployment.yaml

@@ -0,0 +1,40 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: todo-db
+  namespace: todo
+  labels:
+    kiamol: ch21-lab
+spec:
+  selector:
+    matchLabels:
+      app: todo-db
+  template:
+    metadata:
+      labels:
+        app: todo-db
+    spec:
+      containers:
+        - name: db
+          image: postgres:11.6-alpine
+          env:
+          - name: POSTGRES_PASSWORD_FILE
+            value: /secrets/postgres_password
+          - name: PGDATA
+            value: /var/lib/postgresql/data/pgdata
+          volumeMounts:
+            - name: secret
+              mountPath: "/secrets"
+            - name: data
+              mountPath: /var/lib/postgresql/data
+      volumes:
+        - name: secret
+          secret:
+            secretName: todo-db-secret
+            defaultMode: 0400
+            items:
+            - key: POSTGRES_PASSWORD
+              path: postgres_password
+        - name: data
+          persistentVolumeClaim:
+            claimName: todo-db-pvc

learn/learn-kubernetes-master/kiamol/ch21/lab/todo-list/todo-db-pvc.yaml

@@ -0,0 +1,13 @@
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: todo-db-pvc
+  namespace: todo
+  labels:
+    kiamol: ch21-lab
+spec:
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 100Mi

learn/learn-kubernetes-master/kiamol/ch21/lab/todo-list/todo-db-secret.yaml

@@ -0,0 +1,10 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: todo-db-secret
+  namespace: todo
+  labels:
+    kiamol: ch21-lab
+type: Opaque
+stringData:
+  POSTGRES_PASSWORD: "kiamol-2*2*"

learn/learn-kubernetes-master/kiamol/ch21/lab/todo-list/todo-db-service.yaml

@@ -0,0 +1,13 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: todo-db
+  namespace: todo
+  labels:
+    kiamol: ch21-lab
+spec:
+  ports:
+    - port: 5432
+      targetPort: 5432
+  selector:
+    app: todo-db

learn/learn-kubernetes-master/kiamol/ch21/lab/todo-list/todo-list-configMap.yaml

@@ -0,0 +1,17 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: todo-list-config
+  namespace: todo
+  labels:
+    kiamol: ch21-lab
+data:
+  config.json: |-
+    {
+      "Database" : {
+        "Provider" : "Postgres"
+      },
+      "MessageQueue": {
+        "Url": "nats://message-queue:4222"
+      }
+    }

learn/learn-kubernetes-master/kiamol/ch21/lab/todo-list/todo-list-secret.yaml

@@ -0,0 +1,16 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: todo-list-secret
+  namespace: todo
+  labels:
+    kiamol: ch21-lab
+type: Opaque
+stringData:
+  secrets.json: |-
+    {
+      "ConnectionStrings": {
+        "ToDoDb": "Server=todo-db;Database=todo;User Id=postgres;Password=kiamol-2*2*;",
+        "ToDoDb-ReadOnly": "Server=todo-db;Database=todo;User Id=postgres;Password=kiamol-2*2*;"
+      }
+    }

learn/learn-kubernetes-master/kiamol/ch21/lab/todo-list/todo-message-queue.yaml

@@ -0,0 +1,141 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: nats-config
+  namespace: todo
+  labels:
+    kiamol: ch21-lab
+data:
+  nats.conf: |
+    pid_file: "/var/run/nats/nats.pid"
+    http: 8222
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: message-queue
+  namespace: todo
+  labels:
+    app: nats
+    kiamol: ch21-lab
+spec:
+  selector:
+    app: nats
+  clusterIP: None
+  ports:
+  - name: client
+    port: 4222
+  - name: cluster
+    port: 6222
+  - name: monitor
+    port: 8222
+  - name: metrics
+    port: 7777
+  - name: leafnodes
+    port: 7422
+  - name: gateways
+    port: 7522
+---
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: nats
+  namespace: todo
+  labels:
+    app: nats
+    kiamol: ch21-lab
+spec:
+  selector:
+    matchLabels:
+      app: nats
+  replicas: 1
+  serviceName: "nats"
+  template:
+    metadata:
+      labels:
+        app: nats
+    spec:
+      # Common volumes for the containers
+      volumes:
+      - name: config-volume
+        configMap:
+          name: nats-config
+      - name: pid
+        emptyDir: {}
+
+      # Required to be able to HUP signal and apply config reload
+      # to the server without restarting the pod.
+      shareProcessNamespace: true
+
+      #################
+      #               #
+      #  NATS Server  #
+      #               #
+      #################
+      terminationGracePeriodSeconds: 60
+      containers:
+      - name: nats
+        image: nats:2.1.0-alpine3.10
+        ports:
+        - containerPort: 4222
+          name: client
+          hostPort: 4222
+        - containerPort: 7422
+          name: leafnodes
+          hostPort: 7422
+        - containerPort: 6222
+          name: cluster
+        - containerPort: 8222
+          name: monitor
+        - containerPort: 7777
+          name: metrics
+        command:
+         - "nats-server"
+         - "--config"
+         - "/etc/nats-config/nats.conf"
+
+        # Required to be able to define an environment variable
+        # that refers to other environment variables.  This env var
+        # is later used as part of the configuration file.
+        env:
+        - name: POD_NAME
+          valueFrom:
+            fieldRef:
+              fieldPath: metadata.name
+        - name: POD_NAMESPACE
+          valueFrom:
+            fieldRef:
+              fieldPath: metadata.namespace
+        - name: CLUSTER_ADVERTISE
+          value: $(POD_NAME).nats.$(POD_NAMESPACE).svc
+        volumeMounts:
+          - name: config-volume
+            mountPath: /etc/nats-config
+          - name: pid
+            mountPath: /var/run/nats
+
+        # Liveness/Readiness probes against the monitoring
+        #
+        livenessProbe:
+          httpGet:
+            path: /
+            port: 8222
+          initialDelaySeconds: 10
+          timeoutSeconds: 5
+        readinessProbe:
+          httpGet:
+            path: /
+            port: 8222
+          initialDelaySeconds: 10
+          timeoutSeconds: 5
+
+        # Gracefully stop NATS Server on pod deletion or image upgrade.
+        #
+        lifecycle:
+          preStop:
+            exec:
+              # Using the alpine based NATS image, we add an extra sleep that is
+              # the same amount as the terminationGracePeriodSeconds to allow
+              # the NATS Server to gracefully terminate the client connections.
+              #
+              command: ["/bin/sh", "-c", "/nats-server -sl=ldm=/var/run/nats/nats.pid && /bin/sleep 60"]

learn/learn-kubernetes-master/kiamol/ch21/lab/todo-list/todo-save-handler.yaml

@@ -0,0 +1,45 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: todo-save-handler
+  namespace: todo
+  labels:
+    kiamol: ch21-lab
+spec:
+  selector:
+    matchLabels:
+      app: todo-list
+      component: save-handler
+  template:
+    metadata:
+      labels:
+        app: todo-list
+        component: save-handler
+    spec:
+      containers:
+        - name: web
+          image: kiamol/ch20-todo-save-handler
+          env:
+            - name: Events__events.todo.itemsaved__Publish
+              value: "true"
+          volumeMounts:
+            - name: config
+              mountPath: "/app/config"
+              readOnly: true
+            - name: secret
+              mountPath: "/app/secrets"
+              readOnly: true
+      volumes:
+        - name: config
+          configMap:
+            name: todo-list-config
+            items:
+            - key: config.json
+              path: config.json
+        - name: secret
+          secret:
+            secretName: todo-list-secret
+            defaultMode: 0400
+            items:
+            - key: secrets.json
+              path: secrets.json

learn/learn-kubernetes-master/kiamol/ch21/lab/todo-list/todo-web-ingress.yaml

@@ -0,0 +1,18 @@
+apiVersion: networking.k8s.io/v1beta1 
+kind: Ingress
+metadata:
+  name: todo-web
+  namespace: todo
+  labels:
+    kiamol: ch21-lab
+  annotations:
+    kubernetes.io/ingress.class: contour-external
+spec:
+  rules:
+  - host: todo.kiamol.local
+    http:
+      paths:
+      - path: /
+        backend:
+          serviceName: todo-web
+          servicePort: 80

learn/learn-kubernetes-master/kiamol/ch21/lab/todo-list/todo-web-service.yaml

@@ -0,0 +1,14 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: todo-web
+  namespace: todo
+  labels:
+    kiamol: ch21-lab
+spec:
+  ports:
+    - port: 80
+      targetPort: 80
+  selector:    
+    app: todo-list
+    component: web

learn/learn-kubernetes-master/kiamol/ch21/lab/todo-list/todo-web.yaml

@@ -0,0 +1,42 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: todo-web
+  namespace: todo
+  labels:
+    kiamol: ch21-lab
+spec:
+  selector:
+    matchLabels:
+      app: todo-list
+      component: web
+  template:
+    metadata:
+      labels:
+        app: todo-list
+        component: web
+    spec:
+      containers:
+        - name: web
+          image: kiamol/ch20-todo-list
+          volumeMounts:
+            - name: config
+              mountPath: "/app/config"
+              readOnly: true
+            - name: secret
+              mountPath: "/app/secrets"
+              readOnly: true
+      volumes:
+        - name: config
+          configMap:
+            name: todo-list-config
+            items:
+            - key: config.json
+              path: config.json
+        - name: secret
+          secret:
+            secretName: todo-list-secret
+            defaultMode: 0400
+            items:
+            - key: secrets.json
+              path: secrets.json

learn/learn-kubernetes-master/kiamol/ch21/serverless-cli.yaml

@@ -0,0 +1,33 @@
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: serverless-cli
+  labels:
+    kiamol: ch21
+---
+apiVersion: v1
+kind: Pod
+metadata:
+  name: serverless-cli
+  labels:
+    kiamol: ch21
+spec:
+  serviceAccountName: serverless-cli
+  containers:
+    - name: serverless-cli
+      image: kiamol/ch21-serverless-cli
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: serverless-cli
+  labels:
+    kiamol: ch21
+subjects:
+- kind: ServiceAccount
+  name: serverless-cli
+  namespace: default
+roleRef:
+  kind: ClusterRole
+  name: cluster-admin   # tsk
+  apiGroup: rbac.authorization.k8s.io

learn/learn-kubernetes-master/kiamol/ch21/serverless/todo-api/package-lock.json

@@ -0,0 +1,936 @@
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+  "name": "todo-api",
+  "version": "0.1.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
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+      "version": "6.12.3",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.3.tgz",
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+      "dev": true,
+      "requires": {
+        "fast-deep-equal": "^3.1.1",
+        "fast-json-stable-stringify": "^2.0.0",
+        "json-schema-traverse": "^0.4.1",
+        "uri-js": "^4.2.2"
+      }
+    },
+    "ansi-styles": {
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
+      "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
+      "dev": true,
+      "requires": {
+        "color-convert": "^1.9.0"
+      }
+    },
+    "argparse": {
+      "version": "1.0.10",
+      "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
+      "integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
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+      "requires": {
+        "sprintf-js": "~1.0.2"
+      }
+    },
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+      "version": "0.2.4",
+      "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
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+}

learn/learn-kubernetes-master/kiamol/ch21/serverless/todo-api/package.json

@@ -0,0 +1,18 @@
+{
+  "name": "todo-api",
+  "description" : "To-do list - API",
+  "repository": {
+    "type" : "git",
+    "url" : "https://github.com/sixeyed/kiamol"
+  },
+  "license": "MIT",
+  "version": "0.1.0",
+  "author": "kiamol",
+  "dependencies": {
+    "nats": "1.4.9",
+    "uuid": "8.2.0"
+  },
+  "devDependencies": {
+    "serverless-kubeless": "0.10.0"
+  }
+}

learn/learn-kubernetes-master/kiamol/ch21/serverless/todo-api/server.js

@@ -0,0 +1,21 @@
+const NATS = require('nats')
+const nc = NATS.connect({url: 'nats://message-queue:4222', json: true})
+const { v4: uuidv4 } = require('uuid');
+
+function handler(event, context) {
+  console.log('** todo-api handler called');
+  
+  var newItemEvent = {
+    Subject: "events.todo.newitem",
+    Item: {
+      Item: event.data,
+      DateAdded: new Date().toISOString()
+    },
+    CorrelationId: uuidv4()
+  }
+
+  nc.publish('events.todo.newitem', newItemEvent)
+  console.log(`** New item published, event ID: ${newItemEvent.CorrelationId}`);
+}
+
+module.exports = { handler }

learn/learn-kubernetes-master/kiamol/ch21/serverless/todo-api/serverless.yml

@@ -0,0 +1,17 @@
+service: todo-api
+
+provider:
+  name: kubeless
+  runtime: nodejs12
+  hostname: api.todo.kiamol.local
+
+plugins:
+  - serverless-kubeless
+
+functions:
+  todo-api:
+    description: 'ToDo list - create item API'
+    handler: server.handler
+    events:
+      - http:
+          path: /todos

learn/learn-kubernetes-master/kiamol/ch21/serverless/todo-audit/audit.py

@@ -0,0 +1,3 @@
+
+def handler(event, context):    
+    print(f"AUDIT @ {event['data']['Item']['DateAdded']}: {event['data']['Item']['Item']}")

learn/learn-kubernetes-master/kiamol/ch21/serverless/todo-audit/package-lock.json

@@ -0,0 +1,778 @@
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+  "name": "todo-audit",
+  "version": "0.1.0",
+  "lockfileVersion": 1,
+  "requires": true,
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+      "requires": {
+        "fast-deep-equal": "^3.1.1",
+        "fast-json-stable-stringify": "^2.0.0",
+        "json-schema-traverse": "^0.4.1",
+        "uri-js": "^4.2.2"
+      }
+    },
+    "ansi-styles": {
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
+      "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
+      "requires": {
+        "color-convert": "^1.9.0"
+      }
+    },
+    "argparse": {
+      "version": "1.0.10",
+      "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
+      "integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
+      "requires": {
+        "sprintf-js": "~1.0.2"
+      }
+    },
+    "asn1": {
+      "version": "0.2.4",
+      "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
+      "integrity": "sha512-jxwzQpLQjSmWXgwaCZE9Nz+glAG01yF1QnWgbhGwHI5A6FRIEY6IVqtHhIepHqI7/kyEyQEagBC5mBEFlIYvdg==",
+      "requires": {
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+      }
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+    "assert-plus": {
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+      "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
+      "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU="
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+      "version": "2.6.3",
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+      "requires": {
+        "buffer": "4.9.2",
+        "events": "1.1.1",
+        "ieee754": "1.1.13",
+        "jmespath": "0.15.0",
+        "querystring": "0.2.0",
+        "sax": "1.2.1",
+        "url": "0.10.3",
+        "uuid": "3.3.2",
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+}

learn/learn-kubernetes-master/kiamol/ch21/serverless/todo-audit/package.json

@@ -0,0 +1,14 @@
+{
+  "name": "todo-audit",
+  "description" : "To-do list - new item audit",
+  "repository": {
+    "type" : "git",
+    "url" : "https://github.com/sixeyed/kiamol"
+  },
+  "license": "MIT",
+  "version": "0.1.0",
+  "author": "kiamol",
+  "dependencies": {
+    "serverless-kubeless": "0.10.0"
+  }
+}

learn/learn-kubernetes-master/kiamol/ch21/serverless/todo-audit/serverless.yml

@@ -0,0 +1,16 @@
+service: todo-audit
+
+provider:
+  name: kubeless
+  runtime: python3.7
+
+plugins:
+  - serverless-kubeless
+
+functions:
+  todo-audit:
+    handler: audit.handler
+    events:
+      - trigger: 
+          queue: nats
+          topic: events.todo.newitem

learn/learn-kubernetes-master/kiamol/ch21/serverless/todo-mutating-handler/mutation.php

@@ -0,0 +1,14 @@
+<?php
+
+function handler($event, $context) {
+  fwrite(STDOUT, '* Mutating handler called.');
+  $conn = pg_connect('host=todo-db dbname=todo user=postgres password=kiamol-2*2*');
+  if (!$conn) {
+    echo 'Connection failed';
+    exit;
+  }
+  $sql = 'UPDATE "public"."ToDos" SET "Item"=\'Leave a nice review for KIAMOL :)\'';
+  $result = pg_query($conn, $sql); 
+  fwrite(STDOUT, '* Mutation complete.');
+  return "* Mutated...";
+}

learn/learn-kubernetes-master/kiamol/ch21/serverless/todo-mutating-handler/package-lock.json

@@ -0,0 +1,778 @@
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+  "name": "todo-mutating-handler",
+  "version": "0.1.0",
+  "lockfileVersion": 1,
+  "requires": true,
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+      "requires": {
+        "fast-deep-equal": "^3.1.1",
+        "fast-json-stable-stringify": "^2.0.0",
+        "json-schema-traverse": "^0.4.1",
+        "uri-js": "^4.2.2"
+      }
+    },
+    "ansi-styles": {
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
+      "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
+      "requires": {
+        "color-convert": "^1.9.0"
+      }
+    },
+    "argparse": {
+      "version": "1.0.10",
+      "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
+      "integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
+      "requires": {
+        "sprintf-js": "~1.0.2"
+      }
+    },
+    "asn1": {
+      "version": "0.2.4",
+      "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
+      "integrity": "sha512-jxwzQpLQjSmWXgwaCZE9Nz+glAG01yF1QnWgbhGwHI5A6FRIEY6IVqtHhIepHqI7/kyEyQEagBC5mBEFlIYvdg==",
+      "requires": {
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+      }
+    },
+    "assert-plus": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
+      "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU="
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+      "version": "2.6.3",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.3.tgz",
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+      "requires": {
+        "lodash": "^4.17.14"
+      }
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learn/learn-kubernetes-master/kiamol/ch21/serverless/todo-mutating-handler/package.json

@@ -0,0 +1,13 @@
+{
+  "name": "todo-mutating-handler",
+  "description" : "To-do list - mutating handler",
+  "repository": {
+    "type" : "git",
+    "url" : "https://github.com/sixeyed/kiamol"
+  },
+  "version": "0.1.0",
+  "author": "kiamol",
+  "dependencies": {
+    "serverless-kubeless": "0.10.0"
+  }
+}

learn/learn-kubernetes-master/kiamol/ch21/serverless/todo-mutating-handler/serverless.yml

@@ -0,0 +1,14 @@
+service: todo-mutating-handler
+
+provider:
+  name: kubeless
+  runtime: php7.3
+
+plugins:
+  - serverless-kubeless
+
+functions:
+  todo-mutating-handler:
+    handler: mutation.handler    
+    events:
+      - schedule: "*/1 * * * *"

learn/learn-kubernetes-master/kiamol/ch21/todo-list/config/todo-list-configMap.yaml

@@ -0,0 +1,16 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: todo-list-config
+  labels:
+    kiamol: ch21
+data:
+  config.json: |-
+    {
+      "Database" : {
+        "Provider" : "Postgres"
+      },
+      "MessageQueue": {
+        "Url": "nats://message-queue:4222"
+      }
+    }

learn/learn-kubernetes-master/kiamol/ch21/todo-list/config/todo-list-secret.yaml

@@ -0,0 +1,15 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: todo-list-secret
+  labels:
+    kiamol: ch21
+type: Opaque
+stringData:
+  secrets.json: |-
+    {
+      "ConnectionStrings": {
+        "ToDoDb": "Server=todo-db;Database=todo;User Id=postgres;Password=kiamol-2*2*;",
+        "ToDoDb-ReadOnly": "Server=todo-db;Database=todo;User Id=postgres;Password=kiamol-2*2*;"
+      }
+    }

learn/learn-kubernetes-master/kiamol/ch21/todo-list/db/todo-db-deployment.yaml

@@ -0,0 +1,39 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: todo-db
+  labels:
+    kiamol: ch21
+spec:
+  selector:
+    matchLabels:
+      app: todo-db
+  template:
+    metadata:
+      labels:
+        app: todo-db
+    spec:
+      containers:
+        - name: db
+          image: postgres:11.6-alpine
+          env:
+          - name: POSTGRES_PASSWORD_FILE
+            value: /secrets/postgres_password
+          - name: PGDATA
+            value: /var/lib/postgresql/data/pgdata
+          volumeMounts:
+            - name: secret
+              mountPath: "/secrets"
+            - name: data
+              mountPath: /var/lib/postgresql/data
+      volumes:
+        - name: secret
+          secret:
+            secretName: todo-db-secret
+            defaultMode: 0400
+            items:
+            - key: POSTGRES_PASSWORD
+              path: postgres_password
+        - name: data
+          persistentVolumeClaim:
+            claimName: todo-db-pvc

learn/learn-kubernetes-master/kiamol/ch21/todo-list/db/todo-db-pvc.yaml

@@ -0,0 +1,12 @@
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: todo-db-pvc
+  labels:
+    kiamol: ch21
+spec:
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 100Mi

learn/learn-kubernetes-master/kiamol/ch21/todo-list/db/todo-db-secret.yaml

@@ -0,0 +1,9 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: todo-db-secret
+  labels:
+    kiamol: ch21
+type: Opaque
+stringData:
+  POSTGRES_PASSWORD: "kiamol-2*2*"

learn/learn-kubernetes-master/kiamol/ch21/todo-list/db/todo-db-service.yaml

@@ -0,0 +1,12 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: todo-db
+  labels:
+    kiamol: ch21
+spec:
+  ports:
+    - port: 5432
+      targetPort: 5432
+  selector:
+    app: todo-db

learn/learn-kubernetes-master/kiamol/ch21/todo-list/msgq/todo-message-queue.yaml

@@ -0,0 +1,138 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: nats-config
+  labels:
+    kiamol: ch21
+data:
+  nats.conf: |
+    pid_file: "/var/run/nats/nats.pid"
+    http: 8222
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: message-queue
+  labels:
+    app: nats
+    kiamol: ch21
+spec:
+  selector:
+    app: nats
+  clusterIP: None
+  ports:
+  - name: client
+    port: 4222
+  - name: cluster
+    port: 6222
+  - name: monitor
+    port: 8222
+  - name: metrics
+    port: 7777
+  - name: leafnodes
+    port: 7422
+  - name: gateways
+    port: 7522
+---
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: nats
+  labels:
+    app: nats
+    kiamol: ch21
+spec:
+  selector:
+    matchLabels:
+      app: nats
+  replicas: 1
+  serviceName: "nats"
+  template:
+    metadata:
+      labels:
+        app: nats
+    spec:
+      # Common volumes for the containers
+      volumes:
+      - name: config-volume
+        configMap:
+          name: nats-config
+      - name: pid
+        emptyDir: {}
+
+      # Required to be able to HUP signal and apply config reload
+      # to the server without restarting the pod.
+      shareProcessNamespace: true
+
+      #################
+      #               #
+      #  NATS Server  #
+      #               #
+      #################
+      terminationGracePeriodSeconds: 60
+      containers:
+      - name: nats
+        image: nats:2.1.0-alpine3.10
+        ports:
+        - containerPort: 4222
+          name: client
+          hostPort: 4222
+        - containerPort: 7422
+          name: leafnodes
+          hostPort: 7422
+        - containerPort: 6222
+          name: cluster
+        - containerPort: 8222
+          name: monitor
+        - containerPort: 7777
+          name: metrics
+        command:
+         - "nats-server"
+         - "--config"
+         - "/etc/nats-config/nats.conf"
+
+        # Required to be able to define an environment variable
+        # that refers to other environment variables.  This env var
+        # is later used as part of the configuration file.
+        env:
+        - name: POD_NAME
+          valueFrom:
+            fieldRef:
+              fieldPath: metadata.name
+        - name: POD_NAMESPACE
+          valueFrom:
+            fieldRef:
+              fieldPath: metadata.namespace
+        - name: CLUSTER_ADVERTISE
+          value: $(POD_NAME).nats.$(POD_NAMESPACE).svc
+        volumeMounts:
+          - name: config-volume
+            mountPath: /etc/nats-config
+          - name: pid
+            mountPath: /var/run/nats
+
+        # Liveness/Readiness probes against the monitoring
+        #
+        livenessProbe:
+          httpGet:
+            path: /
+            port: 8222
+          initialDelaySeconds: 10
+          timeoutSeconds: 5
+        readinessProbe:
+          httpGet:
+            path: /
+            port: 8222
+          initialDelaySeconds: 10
+          timeoutSeconds: 5
+
+        # Gracefully stop NATS Server on pod deletion or image upgrade.
+        #
+        lifecycle:
+          preStop:
+            exec:
+              # Using the alpine based NATS image, we add an extra sleep that is
+              # the same amount as the terminationGracePeriodSeconds to allow
+              # the NATS Server to gracefully terminate the client connections.
+              #
+              command: ["/bin/sh", "-c", "/nats-server -sl=ldm=/var/run/nats/nats.pid && /bin/sleep 60"]

learn/learn-kubernetes-master/kiamol/ch21/todo-list/save-handler/todo-save-handler.yaml

@@ -0,0 +1,44 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: todo-save-handler
+  labels:
+    kiamol: ch21
+spec:
+  selector:
+    matchLabels:
+      app: todo-list
+      component: save-handler
+  template:
+    metadata:
+      labels:
+        app: todo-list
+        component: save-handler
+    spec:
+      containers:
+        - name: web
+          image: kiamol/ch20-todo-save-handler
+          env:
+            - name: Events__events.todo.itemsaved__Publish
+              value: "true"
+          volumeMounts:
+            - name: config
+              mountPath: "/app/config"
+              readOnly: true
+            - name: secret
+              mountPath: "/app/secrets"
+              readOnly: true
+      volumes:
+        - name: config
+          configMap:
+            name: todo-list-config
+            items:
+            - key: config.json
+              path: config.json
+        - name: secret
+          secret:
+            secretName: todo-list-secret
+            defaultMode: 0400
+            items:
+            - key: secrets.json
+              path: secrets.json

learn/learn-kubernetes-master/kiamol/ch21/todo-list/web/ingress/ingress.yaml

@@ -0,0 +1,15 @@
+apiVersion: networking.k8s.io/v1beta1 
+kind: Ingress
+metadata:
+  name: todo-web
+  labels:
+    kiamol: ch21
+spec:
+  rules:
+  - host: todo.kiamol.local
+    http:
+      paths:
+      - path: /
+        backend:
+          serviceName: todo-web
+          servicePort: 80

learn/learn-kubernetes-master/kiamol/ch21/todo-list/web/ingress/todo-web-service.yaml

@@ -0,0 +1,13 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: todo-web
+  labels:
+    kiamol: ch21
+spec:
+  ports:
+    - port: 80
+      targetPort: 80
+  selector:
+    app: todo-list
+    component: web

learn/learn-kubernetes-master/kiamol/ch21/todo-list/web/todo-web-service.yaml

@@ -0,0 +1,14 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: todo-web
+  labels:
+    kiamol: ch21
+spec:
+  ports:
+    - port: 8021
+      targetPort: 80
+  selector:    
+    app: todo-list
+    component: web
+  type: LoadBalancer

learn/learn-kubernetes-master/kiamol/ch21/todo-list/web/todo-web.yaml

@@ -0,0 +1,41 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: todo-web
+  labels:
+    kiamol: ch21
+spec:
+  selector:
+    matchLabels:
+      app: todo-list
+      component: web
+  template:
+    metadata:
+      labels:
+        app: todo-list
+        component: web
+    spec:
+      containers:
+        - name: web
+          image: kiamol/ch20-todo-list
+          volumeMounts:
+            - name: config
+              mountPath: "/app/config"
+              readOnly: true
+            - name: secret
+              mountPath: "/app/secrets"
+              readOnly: true
+      volumes:
+        - name: config
+          configMap:
+            name: todo-list-config
+            items:
+            - key: config.json
+              path: config.json
+        - name: secret
+          secret:
+            secretName: todo-list-secret
+            defaultMode: 0400
+            items:
+            - key: secrets.json
+              path: secrets.json