fichero YAML del Pelado Nerd

yaml-del-pelado/01-pod.yaml

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+apiVersion: v1
+kind: Pod
+metadata:
+  name: nginx
+spec:
+  containers:
+  - name: nginx
+    image: nginx:alpine

yaml-del-pelado/02-pod.yaml

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+apiVersion: v1
+kind: Pod
+metadata:
+  name: nginx
+spec:
+  containers:
+  - name: nginx
+    image: nginx:alpine
+    env:
+    - name: MI_VARIABLE
+      value: "pelado"
+    - name: MI_OTRA_VARIABLE
+      value: "pelade"
+    - name: DD_AGENT_HOST
+      valueFrom:
+        fieldRef:
+          fieldPath: status.hostIP
+    resources:
+      requests:
+        memory: "64Mi"
+        cpu: "200m"
+      limits:
+        memory: "128Mi"
+        cpu: "500m"
+    readinessProbe:
+      httpGet:
+        path: /
+        port: 80
+      initialDelaySeconds: 5
+      periodSeconds: 10
+    livenessProbe:
+      tcpSocket:
+        port: 80
+      initialDelaySeconds: 15
+      periodSeconds: 20
+    ports:
+    - containerPort: 80

yaml-del-pelado/03-daemonset.yaml

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+apiVersion: apps/v1
+kind: DaemonSet
+metadata:
+  name: nginx-deployment
+spec:
+  selector:
+    matchLabels:
+      app: nginx
+  template:
+    metadata:
+      labels:
+        app: nginx
+    spec:
+      containers:
+      - name: nginx
+        image: nginx:alpine
+        env:
+        - name: MI_VARIABLE
+          value: "pelado"
+        - name: MI_OTRA_VARIABLE
+          value: "pelade"
+        - name: DD_AGENT_HOST
+          valueFrom:
+            fieldRef:
+              fieldPath: status.hostIP
+        resources:
+          requests:
+            memory: "64Mi"
+            cpu: "200m"
+          limits:
+            memory: "128Mi"
+            cpu: "500m"
+        readinessProbe:
+          httpGet:
+            path: /
+            port: 80
+          initialDelaySeconds: 5
+          periodSeconds: 10
+        livenessProbe:
+          tcpSocket:
+            port: 80
+          initialDelaySeconds: 15
+          periodSeconds: 20
+        ports:
+        - containerPort: 80

yaml-del-pelado/04-deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: nginx-deployment
+spec:
+  selector:
+    matchLabels:
+      app: nginx
+  replicas: 2
+  template:
+    metadata:
+      labels:
+        app: nginx
+    spec:
+      containers:
+      - name: nginx
+        image: nginx:alpine
+        env:
+        - name: MI_VARIABLE
+          value: "pelado"
+        - name: MI_OTRA_VARIABLE
+          value: "pelade"
+        - name: DD_AGENT_HOST
+          valueFrom:
+            fieldRef:
+              fieldPath: status.hostIP
+        resources:
+          requests:
+            memory: "64Mi"
+            cpu: "200m"
+          limits:
+            memory: "128Mi"
+            cpu: "500m"
+        readinessProbe:
+          httpGet:
+            path: /
+            port: 80
+          initialDelaySeconds: 5
+          periodSeconds: 10
+        livenessProbe:
+          tcpSocket:
+            port: 80
+          initialDelaySeconds: 15
+          periodSeconds: 20
+        ports:
+        - containerPort: 80

yaml-del-pelado/05-statefulset.yaml

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+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: my-csi-app-set
+spec:
+  selector:
+    matchLabels:
+      app: mypod
+  serviceName: "my-frontend"
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        app: mypod
+    spec:
+      containers:
+      - name: my-frontend
+        image: busybox
+        args:
+        - sleep
+        - infinity
+        volumeMounts:
+        - mountPath: "/data"
+          name: csi-pvc
+  volumeClaimTemplates:
+  - metadata:
+      name: csi-pvc
+    spec:
+      accessModes:
+      - ReadWriteOnce
+      resources:
+        requests:
+          storage: 5Gi
+      storageClassName: do-block-storage

yaml-del-pelado/06-randompod.yaml

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+apiVersion: v1
+kind: Pod
+metadata:
+  name: ubuntu
+spec:
+  containers:
+  - name: ubuntu
+    image: ubuntu
+    args:
+    - sleep
+    - infinity

yaml-del-pelado/07-hello-deployment-svc-clusterIP.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: hello
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      role: hello
+  template:
+    metadata:
+      labels:
+        role: hello
+    spec:
+      containers:
+      - name: hello
+        image: gcr.io/google-samples/hello-app:1.0
+        ports:
+        - containerPort: 8080
+
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: hello
+spec:
+  ports:
+  - port: 8080
+    targetPort: 8080
+  selector:
+    role: hello

yaml-del-pelado/08-hello-deployment-svc-nodePort.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: hello
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      role: hello
+  template:
+    metadata:
+      labels:
+        role: hello
+    spec:
+      containers:
+      - name: hello
+        image: gcr.io/google-samples/hello-app:1.0
+        ports:
+        - containerPort: 8080
+
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: hello
+spec:
+  type: NodePort
+  ports:
+  - port: 8080
+    targetPort: 8080
+    nodePort: 30000
+  selector:
+    role: hello

yaml-del-pelado/09-hello-deployment-svc-loadBalancer.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: hello
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      role: hello
+  template:
+    metadata:
+      labels:
+        role: hello
+    spec:
+      containers:
+      - name: hello
+        image: gcr.io/google-samples/hello-app:1.0
+        ports:
+        - containerPort: 8080
+
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: hello
+spec:
+  type: LoadBalancer
+  ports:
+  - port: 8080
+    targetPort: 8080
+  selector:
+    role: hello

yaml-del-pelado/10-hello-v1-v2-deployment-svc.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: hello-v1
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      role: hello-v1
+  template:
+    metadata:
+      labels:
+        role: hello-v1
+    spec:
+      containers:
+      - name: hello-v1
+        image: gcr.io/google-samples/hello-app:1.0
+        ports:
+        - containerPort: 8080
+
+---
+
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: hello-v2
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      role: hello-v2
+  template:
+    metadata:
+      labels:
+        role: hello-v2
+    spec:
+      containers:
+      - name: hello-v2
+        image: gcr.io/google-samples/hello-app:2.0
+        ports:
+        - containerPort: 8080
+
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: hello-v1
+spec:
+  ports:
+  - port: 8080
+    targetPort: 8080
+  selector:
+    role: hello-v1
+
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: hello-v2
+spec:
+  ports:
+  - port: 8080
+    targetPort: 8080
+  selector:
+    role: hello-v2

yaml-del-pelado/11-hello-ingress.yaml

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+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: hello-app
+spec:
+  rules:
+  - http:
+      paths:
+      - path: /v1
+        pathType: Prefix
+        backend:
+          service:
+            name: hello-v1
+            port:
+              number: 8080
+      - path: /v2
+        pathType: Prefix
+        backend:
+          service:
+            name: hello-v2
+            port:
+              number: 8080

yaml-del-pelado/12-configmap.yaml

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+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: game-demo
+data:
+  # property-like keys; each key maps to a simple value
+  player_initial_lives: "3"
+  ui_properties_file_name: "user-interface.properties"
+  #
+  # file-like keys
+  game.properties: |
+    enemy.types=aliens,monsters
+    player.maximum-lives=5
+  user-interface.properties: |
+    color.good=purple
+    color.bad=yellow
+    allow.textmode=true

yaml-del-pelado/13-pod-configmap.yaml

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+apiVersion: v1
+kind: Pod
+metadata:
+  name: nginx
+spec:
+  containers:
+    - name: nginx
+      image: nginx:alpine
+      env:
+        # Define the environment variable
+        - name: PLAYER_INITIAL_LIVES # Nombre de la variable
+          valueFrom:
+            configMapKeyRef:
+              name: game-demo           # El confimap desde donde vienen los valores
+              key: player_initial_lives # La key que vamos a usar
+        - name: UI_PROPERTIES_FILE_NAME
+          valueFrom:
+            configMapKeyRef:
+              name: game-demo
+              key: ui_properties_file_name
+      volumeMounts:
+      - name: config
+        mountPath: "/config"
+        readOnly: true
+  volumes:
+    - name: config
+      configMap:
+        name: game-demo # el nombre del configmap que queremos montar
+        items: # Un arreglo de keys del configmap para crear como archivos
+        - key: "game.properties"
+          path: "game.properties"
+        - key: "user-interface.properties"
+          path: "user-interface.properties"

yaml-del-pelado/14-secret.yaml

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+apiVersion: v1
+kind: Secret
+metadata:
+  name: db-credentials
+type: Opaque
+data:
+  username: YWRtaW4=
+  password: c3VwM3JwYXNzdzByZAo=
+
+# Esto se puede crear a mano:
+# kubectl create secret generic db-credentials --from-literal=username=admin --from-literal=password=sup3rpassw0rd
+# Docs: https://kubernetes.io/es/docs/concepts/configuration/secret/

yaml-del-pelado/15-pod-secret.yaml

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+apiVersion: v1
+kind: Pod
+metadata:
+  name: nginx
+spec:
+  containers:
+  - name: nginx
+    image: nginx:alpine
+    env:
+    - name: MI_VARIABLE
+      value: "pelado"
+    - name: MYSQL_USER
+      valueFrom:
+        secretKeyRef:
+          name: db-credentials
+          key: username
+    - name: MYSQL_PASSWORD
+      valueFrom:
+        secretKeyRef:
+          name: db-credentials
+          key: password
+    ports:
+    - containerPort: 80

yaml-del-pelado/kustomization.yaml

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+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+commonLabels:
+  app: ejemplo
+
+resources:
+- 15-pod-secret.yaml
+
+secretGenerator:
+- name: db-credentials
+  literals:
+  - username=admin
+  - password=secr3tpassw0rd!
+
+images:
+- name: nginx
+  newTag: latest