Añado PGO para ver si hago funcionar postgres

PGO/creaTodo.sh

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+kubectl create -f pv-local-pg.yaml
+kubectl create -f pvc-pg.yaml
+kubectl create -f postgres-configmap.yaml
+kubectl create -f postgres-deployment.yaml
+kubectl create -f postgres-service.yaml
+watch kubectl get all -n postgres

PGO/entra.sh

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+kubectl exec -ti deployment.apps/postgres -n postgres -- /bin/bash

PGO/paraTodo.sh

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+kubectl delete -f postgres-service.yaml
+kubectl delete -f postgres-deployment.yaml
+kubectl delete -f postgres-configmap.yaml
+kubectl delete -f pvc-pg.yaml
+kubectl delete -f pv-local-pg.yaml
+kubectl delete -f pgadmin-configmap.yaml
+kubectl delete -f pgadmin-secret.yaml
+kubectl delete -f pgadmin-service.yaml
+kubectl delete -f pgadmin-statefulset.yaml
+kubectl delete -f pv-local-pgadmin.yaml

PGO/pgadmin-configmap.yaml

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+apiVersion: v1
+kind: ConfigMap
+metadata:
+ name: pgadmin-config
+ namespace: postgres
+data:
+ servers.json: |
+   {
+       "Servers": {
+         "1": {
+           "Name": "PostgreSQL DB",
+           "Group": "Servers",
+           "Port": 5432,
+           "Username": "postgres",
+           "Host": "postgres",
+           "SSLMode": "prefer",
+           "MaintenanceDB": "postgres"
+         }
+       }
+   }

PGO/pgadmin-secret.yaml

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+apiVersion: v1
+kind: Secret
+type: Opaque
+metadata:
+ name: pgadmin
+ namespace: postgres
+data:
+ pgadmin-password: UmV5LTExNzYK

PGO/pgadmin-service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+ name: pgadmin-service
+ namespace: postgres
+spec:
+ ports:
+ - protocol: TCP
+   port: 80
+   targetPort: http
+ selector:
+   app: pgadmin
+ type: NodePort

PGO/pgadmin-statefulset.yaml

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+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+ name: pgadmin
+ namespace: postgres
+spec:
+ serviceName: pgadmin-service
+ podManagementPolicy: Parallel
+ replicas: 1
+ updateStrategy:
+   type: RollingUpdate
+ selector:
+   matchLabels:
+     app: pgadmin
+ template:
+   metadata:
+     labels:
+       app: pgadmin
+   spec:
+     terminationGracePeriodSeconds: 10
+     containers:
+       - name: pgadmin
+         image: dpage/pgadmin4:5.4
+         imagePullPolicy: Always
+         env:
+         - name: PGADMIN_DEFAULT_EMAIL
+           value: celestino.rey@gmail.com
+         - name: PGADMIN_DEFAULT_PASSWORD
+           valueFrom:
+             secretKeyRef:
+               name: pgadmin
+               key: pgadmin-password
+         ports:
+         - name: http
+           containerPort: 80
+           protocol: TCP
+         volumeMounts:
+         - name: pgadmin-config
+           mountPath: /pgadmin4/servers.json
+           subPath: servers.json
+           readOnly: true
+         - name: pgadmin-data
+           mountPath: /var/lib/pgadmin
+     volumes:
+     - name: pgadmin-config
+       configMap:
+         name: pgadmin-config
+ volumeClaimTemplates:
+ - metadata:
+     name: pgadmin-data
+   spec:
+     accessModes: [ "ReadWriteOnce" ]
+     resources:
+       requests:
+         storage: 3Gi

PGO/postgres-configmap.yaml

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+# Create ConfigMap postgres-secret for the postgres app
+# Define default database name, user, and password
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: postgres-secret
+  namespace: postgres
+  labels:
+    app: postgres
+data:
+  POSTGRES_DB: productos
+  POSTGRES_USER: creylopez
+  POSTGRES_PASSWORD: Rey-1176

PGO/postgres-deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment # Create a deployment
+metadata:
+  name: postgres # Set the name of the deployment
+  namespace: postgres
+spec:
+  replicas: 1 # Set 3 deployment replicas
+  selector:
+    matchLabels:
+      app: postgres
+  template:
+    metadata:
+      labels:
+        app: postgres
+    spec:
+      containers:
+        - name: postgres
+          image: postgres:12.10 # Docker image
+          imagePullPolicy: "IfNotPresent"
+          ports:
+            - containerPort: 5432 # Exposing the container port 5432 for PostgreSQL client connections.
+          envFrom:
+            - configMapRef:
+                name: postgres-secret # Using the ConfigMap postgres-secret
+          volumeMounts:
+            - mountPath: /var/lib/postgresql/data
+              name: postgresdata
+      volumes:
+        - name: postgresdata
+          persistentVolumeClaim:
+            claimName: pg-pv-claim

PGO/postgres-service.yaml

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+apiVersion: v1
+kind: Service # Create service
+metadata:
+  name: postgres # Sets the service name
+  namespace: postgres
+  labels:
+    app: postgres # Defines app to create service for
+spec:
+  type: NodePort # Sets the service type
+  ports:
+    - port: 5432 # Sets the port to run the postgres application
+  selector:
+    app: postgres

PGO/pv-local-pg.yaml

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+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  name: pg-data
+spec:
+  capacity:
+    storage: 20Gi
+  accessModes:
+    - ReadWriteOnce
+  hostPath:
+    path: "/mnt/cluster/postgres/postgres-db"

PGO/pv-local-pgadmin.yaml

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+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  name: pgadmin-data
+spec:
+  capacity:
+    storage: 3Gi
+  accessModes:
+    - ReadWriteOnce
+  hostPath:
+    path: "/mnt/cluster/postgres/pgadmin"

PGO/pvc-pg.yaml

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+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: pg-pv-claim
+  namespace: postgres
+  labels:
+    app: postgres
+spec:
+  accessModes:
+    - ReadWriteOnce
+  storageClassName: ""
+  resources:
+    requests:
+      storage: 10Gi