Adding side modules

config/config_maps.sh

@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+
+mkdir -p configure-pod-container/configmap/
+
+wget https://kubernetes.io/examples/configmap/game.properties -O configure-pod-container/configmap/game.properties
+wget https://kubernetes.io/examples/configmap/ui.properties -O configure-pod-container/configmap/ui.properties
+
+kubectl create configmap game-config --from-file=configure-pod-container/configmap/
+
+kubectl describe configmaps game-config
+
+kubectl get configmaps game-config -o yaml
+
+kubectl create configmap game-config-2 --from-file=configure-pod-container/configmap/game.properties
+
+kubectl create configmap game-config-2 --from-file=configure-pod-container/configmap/game.properties --from-file=configure-pod-container/configmap/ui.properties
+
+kubectl create configmap game-config-env-file \
+       --from-env-file=configure-pod-container/configmap/game-env-file.properties
+
+kubectl get configmap config-multi-env-files -o yaml
+
+kubectl apply -k .

config/configure-pod-container/configmap/game-env-file.properties

@@ -0,0 +1,5 @@
+enemies=aliens
+lives=3
+allowed="true"
+
+# This comment and the empty line above it are ignored

config/configure-pod-container/configmap/game.properties

@@ -0,0 +1,7 @@
+enemies=aliens
+lives=3
+enemies.cheat=true
+enemies.cheat.level=noGoodRotten
+secret.code.passphrase=UUDDLRLRBABAS
+secret.code.allowed=true
+secret.code.lives=30

config/configure-pod-container/configmap/ui-env-file.properties

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+color=purple
+textmode=true
+how=fairlyNice

config/configure-pod-container/configmap/ui.properties

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+color.good=purple
+color.bad=yellow
+allow.textmode=true
+how.nice.to.look=fairlyNice

config/kustomization.yaml

@@ -0,0 +1,7 @@
+configMapGenerator:
+- name: game-config-4
+  options:
+    labels:
+      game-config: config-4
+  files:
+  - configure-pod-container/configmap/game.properties

config/secret.sh

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+kubectl create secret generic empty-secret
+kubectl get secret empty-secret

config/secret/dockercfg-secret.yaml

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+apiVersion: v1
+kind: Secret
+metadata:
+  name: secret-dockercfg
+type: kubernetes.io/dockercfg
+data:
+  .dockercfg: |
+    eyJhdXRocyI6eyJodHRwczovL2V4YW1wbGUvdjEvIjp7ImF1dGgiOiJvcGVuc2VzYW1lIn19fQo=    

config/secret/dotfile-secret.yaml

@@ -0,0 +1,27 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: dotfile-secret
+data:
+  .secret-file: dmFsdWUtMg0KDQo=
+---
+apiVersion: v1
+kind: Pod
+metadata:
+  name: secret-dotfiles-pod
+spec:
+  volumes:
+    - name: secret-volume
+      secret:
+        secretName: dotfile-secret
+  containers:
+    - name: dotfile-test-container
+      image: registry.k8s.io/busybox
+      command:
+        - ls
+        - "-l"
+        - "/etc/secret-volume"
+      volumeMounts:
+        - name: secret-volume
+          readOnly: true
+          mountPath: "/etc/secret-volume"

config/secret/optional-secret.yaml

@@ -0,0 +1,17 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: mypod
+spec:
+  containers:
+  - name: mypod
+    image: redis
+    volumeMounts:
+    - name: foo
+      mountPath: "/etc/foo"
+      readOnly: true
+  volumes:
+  - name: foo
+    secret:
+      secretName: mysecret
+      optional: true

config/secret/serviceaccount-token-secret.yaml

@@ -0,0 +1,9 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: secret-sa-sample
+  annotations:
+    kubernetes.io/service-account.name: "sa-name"
+type: kubernetes.io/service-account-token
+data:
+  extra: YmFyCg==

external_ip/init_app.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+
+kubectl apply -f service/load-balancer-example.yaml
+
+kubectl get deployments hello-world
+kubectl describe deployments hello-world
+
+kubectl get replicasets
+kubectl describe replicasets
+
+kubectl expose deployment hello-world --type=LoadBalancer --name=my-service
+
+kubectl get services my-service
+
+kubectl describe services my-service
+
+kubectl get pods --output=wide

external_ip/service/load-balancer-example.yaml

@@ -0,0 +1,21 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    app.kubernetes.io/name: load-balancer-example
+  name: hello-world
+spec:
+  replicas: 5
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: load-balancer-example
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: load-balancer-example
+    spec:
+      containers:
+      - image: gcr.io/google-samples/node-hello:1.0
+        name: hello-world
+        ports:
+        - containerPort: 8080

php_redis/application/guestbook/frontend-deployment.yaml

@@ -0,0 +1,29 @@
+# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: frontend
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+        app: guestbook
+        tier: frontend
+  template:
+    metadata:
+      labels:
+        app: guestbook
+        tier: frontend
+    spec:
+      containers:
+      - name: php-redis
+        image: gcr.io/google_samples/gb-frontend:v5
+        env:
+        - name: GET_HOSTS_FROM
+          value: "dns"
+        resources:
+          requests:
+            cpu: 100m
+            memory: 100Mi
+        ports:
+        - containerPort: 80

php_redis/application/guestbook/frontend-service.yaml

@@ -0,0 +1,19 @@
+# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
+apiVersion: v1
+kind: Service
+metadata:
+  name: frontend
+  labels:
+    app: guestbook
+    tier: frontend
+spec:
+  # if your cluster supports it, uncomment the following to automatically create
+  # an external load-balanced IP for the frontend service.
+  # type: LoadBalancer
+  #type: LoadBalancer
+  ports:
+    # the port that this service should serve on
+  - port: 80
+  selector:
+    app: guestbook
+    tier: frontend

php_redis/application/guestbook/redis-follower-deployment.yaml

@@ -0,0 +1,30 @@
+# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: redis-follower
+  labels:
+    app: redis
+    role: follower
+    tier: backend
+spec:
+  replicas: 2
+  selector:
+    matchLabels:
+      app: redis
+  template:
+    metadata:
+      labels:
+        app: redis
+        role: follower
+        tier: backend
+    spec:
+      containers:
+      - name: follower
+        image: gcr.io/google_samples/gb-redis-follower:v2
+        resources:
+          requests:
+            cpu: 100m
+            memory: 100Mi
+        ports:
+        - containerPort: 6379

php_redis/application/guestbook/redis-follower-service.yaml

@@ -0,0 +1,17 @@
+# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
+apiVersion: v1
+kind: Service
+metadata:
+  name: redis-follower
+  labels:
+    app: redis
+    role: follower
+    tier: backend
+spec:
+  ports:
+    # the port that this service should serve on
+  - port: 6379
+  selector:
+    app: redis
+    role: follower
+    tier: backend

php_redis/application/guestbook/redis-leader-deployment.yaml

@@ -0,0 +1,30 @@
+# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: redis-leader
+  labels:
+    app: redis
+    role: leader
+    tier: backend
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: redis
+  template:
+    metadata:
+      labels:
+        app: redis
+        role: leader
+        tier: backend
+    spec:
+      containers:
+      - name: leader
+        image: "docker.io/redis:6.0.5"
+        resources:
+          requests:
+            cpu: 100m
+            memory: 100Mi
+        ports:
+        - containerPort: 6379

php_redis/application/guestbook/redis-leader-service.yaml

@@ -0,0 +1,17 @@
+# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
+apiVersion: v1
+kind: Service
+metadata:
+  name: redis-leader
+  labels:
+    app: redis
+    role: leader
+    tier: backend
+spec:
+  ports:
+  - port: 6379
+    targetPort: 6379
+  selector:
+    app: redis
+    role: leader
+    tier: backend

php_redis/init_app.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+
+kubectl apply -f application/guestbook/redis-leader-deployment.yaml
+
+kubectl apply -f application/guestbook/redis-leader-service.yaml
+
+kubectl apply -f application/guestbook/redis-follower-deployment.yaml
+
+kubectl apply -f application/guestbook/redis-follower-service.yaml
+
+kubectl apply -f application/guestbook/frontend-deployment.yaml
+
+kubectl apply -f application/guestbook/frontend-service.yaml
+
+kubectl get pods -l app=guestbook -l tier=frontend
+
+kubectl get pods
+
+# kubectl logs -f deployment/redis-leader
+
+kubectl port-forward svc/frontend 8080:80
+
+kubectl get service
+
+kubectl get service frontend

php_redis/scale_app.sh

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+#!/usr/bin/env bash
+
+kubectl scale deployment frontend --replicas=5

redis/init_redis.sh

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+kubectl apply -f example-redis-config.yaml
+
+kubectl apply -f https://raw.githubusercontent.com/kubernetes/website/main/content/en/examples/pods/config/redis-pod.yaml

redis/kubectl_clean.sh

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+kubectl delete pod/redis configmap/example-redis-config
+
+kubectl delete pod redis
+
+kubectl delete pod/redis configmap/example-redis-config

redis/kubectl_get.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+
+kubectl get pod/redis configmap/example-redis-config 
+
+kubectl describe configmap/example-redis-config
+
+kubectl exec -it redis -- redis-cli
+
+# CONFIG GET maxmemory
+
+kubectl apply -f pods/config/example-redis-config.yaml

redis/pods/config/example-redis-config.yaml

@@ -0,0 +1,8 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: example-redis-config
+data:
+  redis-config: |
+    maxmemory 2mb
+    maxmemory-policy allkeys-lru