feat: fix postgres persistence

tjorbo · tjorbo · commit fd9daff757f0 · 2024-08-19T14:46:04.000+02:00
BREAKING CHANGE: create db password secret; move values in frond- and
backend; use ImplementationSpecific ingress path on backend
diff --git a/README.md b/README.md
@@ -17,6 +17,13 @@ It's recommended to use a dedicated PostgreSQL instance for production usage.
 1. install and run minikube or other local K8s services https://kubernetes.io/docs/tasks/tools/
 2. use scripts in installation below
 
+### Minikube
+
+```bash
+$ minikube addons enable ingress
+$ minikube tunnel
+```
+
 ## Installation
 
 ### Recommendations
@@ -31,31 +38,17 @@ It's recommended to use a dedicated PostgreSQL instance for production usage.
   CoreDNS.
 * For production usage, may use an own postgres instance. (Recommended, use
   the [Cloud Native PG Operator](https://cloudnative-pg.io) in Kubernetes)
+*
 
-### Installation steps
+### Installation & upgrade steps
 
 1. Prepare the value files.
 2. Install the helm charts with `helm install ...` CLI Command:
 
 ```bash
-# Create a namespace (or use default), where to work in:
-$ kubectl create namespace terminfinder-demo
-
-# First installing the helm chart, to the name
-$ helm install terminfinder-demo terminfinder-chart -n terminfinder-demo
-
-# Verify installation of helm charts:
-$ helm list -n terminfinder-demo
-$ kubectl get deploy -n terminfinder-demo
-```
-
-### Upgrade release
-
-To upgrade the helm chart, use the `helm upgrade ...` command:
-
-```bash
-# Upgrade HelmChart
-$ helm upgrade terminfinder-demo terminfinder-chart -n terminfinder-demo
+$ helm upgrade --install -n tf --create-namespace tf1 terminfinder-chart
+$ helm list -n tf
+$ kubectl get pod,deploy,pvc,svc,ing,ep -n tf
 ```
 
 ### Debug Container
@@ -71,10 +64,9 @@ To delete the helm chart (release), use the `helm uninstall...` command.
 Note that the persistent volume may be available even if the helm release is uninstalled.
 
 ```bash
-# Delete namespace
-$ helm uninstall terminfinder-demo -n terminfinder-demo
-$ kubectl delete pvc --all -n terminfinder-demo
-$ kubectl delete namespace terminfinder-demo
+$ helm uninstall tf1 -n tf
+$ kubectl delete pvc --all -n tf
+$ kubectl delete namespace tf
 ```
 
 ## Using an own PostgreSQL DB instance
diff --git a/terminfinder-chart/charts/terminfinder-backend/templates/NOTES.txt b/terminfinder-chart/charts/terminfinder-backend/templates/NOTES.txt
@@ -17,6 +17,6 @@
 {{- else if contains "ClusterIP" .Values.service.type }}
   export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app.kubernetes.io/name={{ include "terminfinder-backend.name" . }},app.kubernetes.io/instance={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")
   export CONTAINER_PORT=$(kubectl get pod --namespace {{ .Release.Namespace }} $POD_NAME -o jsonpath="{.spec.containers[0].ports[0].containerPort}")
-  echo "Visit http://127.0.0.1:8080 to use your application"
-  kubectl --namespace {{ .Release.Namespace }} port-forward $POD_NAME 8080:$CONTAINER_PORT
-{{- end }}
+  echo "Visit http://127.0.0.1:{{ .Values.application.port}} to use your application"
+  kubectl --namespace {{ .Release.Namespace }} port-forward $POD_NAME {{ .Values.application.port }}:$CONTAINER_PORT
+{{- end }}
diff --git a/terminfinder-chart/charts/terminfinder-backend/templates/deployment.yaml b/terminfinder-chart/charts/terminfinder-backend/templates/deployment.yaml
@@ -1,4 +1,4 @@
-{{- $svc := .Values.global.postgresql.service.name | default (printf "%s-postgresql" .Release.Name) }}
+{{- $svc :=  printf "%s-postgresql" .Release.Name }}
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -45,26 +45,30 @@ spec:
             - name: DB_USERNAME
               value: {{ .Values.global.postgresql.auth.username }}
             - name: ASPNETCORE_URLS
-              value: http://+:8080
-            # Secrets:
+              value: {{printf "http://+:%d" (int .Values.application.port) }}
             - name: DB_PASSWORD
               valueFrom:
                 secretKeyRef:
-                  name: {{ .Values.global.postgresql.auth.existingSecret | default (printf "%s" $svc) }}
-                  key: {{ .Values.global.postgresql.auth.secretKeys.userPasswordKey | default "password" }}
-            # Patches
+                  name: {{ required "Postgres DB secret name not set" .Values.global.postgresql.auth.existingSecret }}
+                  key: {{ required "Postgres DB password secretkey not set" .Values.global.postgresql.auth.secretKeys.userPasswordKey }}
             - name: Terminfinder__UseHttps
               value: "false"
             - name: Terminfinder__UseCors
-              value: "false"
+              value: {{ .Values.application.useCors | quote }}
             - name: Terminfinder__Log4NetConfigFilename
               value: log4net.Console.debug.config
             - name: ConnectionStrings__TerminfinderConnection
               value: "Server=$(DB_ADDRESS),$(DB_PORT);Database=$(DB_DATABASE);User ID=$(DB_USERNAME);password=$(DB_PASSWORD);"
           ports:
             - name: http
-              containerPort: 8080
+              containerPort: {{ int .Values.application.port }}
               protocol: TCP
+          command:
+            - "dotnet"
+            - "Dataport.Terminfinder.WebAPI.dll"
+            {{- if .Values.application.migrateDB }}
+            - "--dbmigrate"
+            {{- end }}
           startupProbe:
             failureThreshold: 3
             periodSeconds: 10
diff --git a/terminfinder-chart/charts/terminfinder-backend/templates/secret-database.yaml b/terminfinder-chart/charts/terminfinder-backend/templates/secret-database.yaml
@@ -0,0 +1,7 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: postgresql-default-auth
+type: kubernetes.io/basic-auth
+stringData:
+  password: {{ randAlphaNum 20 | b64enc | quote }}
diff --git a/terminfinder-chart/charts/terminfinder-backend/values.yaml b/terminfinder-chart/charts/terminfinder-backend/values.yaml
@@ -1,19 +1,14 @@
-# Default values for terminfinder-backend.
-# This is a YAML-formatted file.
-# Declare variables to be passed into your templates.
-
 global:
   postgresql:
     auth:
-      username: terminfinder
       database: terminfinder
-      existingSecret: "" # if not set, default: "{{ Release.Name }}-postgres"
+      username: terminfinder
+      existingSecret: postgresql-default-auth
       secretKeys:
-        userPasswordKey: "" # if not set, default: "password"
+        userPasswordKey: password
     service:
-      name: "" # if not set, default: "{{ Release.Name }}-postgres"
       ports:
-        postgresql: 5432 # Default port
+        postgresql: 5432
 
 replicaCount: 1
 
@@ -22,17 +17,20 @@ image:
   pullPolicy: IfNotPresent
   tag: "0.1.0"
 
+application:
+  port: 8080
+  useCors: true
+  migrateDB: true
+
 imagePullSecrets: [ ]
+
 nameOverride: ""
+
 fullnameOverride: ""
 
 serviceAccount:
-  # Specifies whether a service account should be created
   create: true
-  # Annotations to add to the service account
   annotations: { }
-  # The name of the service account to use.
-  # If not set and create is true, a name is generated using the fullname template
   name: ""
 
 podAnnotations: { }
@@ -51,31 +49,24 @@ securityContext:
 
 service:
   type: ClusterIP
-  port: 80
+  port: 8080
 
 ingress:
-  enabled: false
+  enabled: true
   className: "nginx"
   annotations:
-    { }
-  # kubernetes.io/ingress.class: nginx
-  # nginx.ingress.kubernetes.io/rewrite-target: /
-  # nginx.ingress.kubernetes.io/ssl-redirect: "true"
-  # cert-manager.io/cluster-issuer: letsencrypt-production
+    nginx.ingress.kubernetes.io/use-regex: "true"
+    nginx.ingress.kubernetes.io/rewrite-target: /$2
+    nginx.ingress.kubernetes.io/enable-cors: "true"
   hosts:
-    - host: terminfinder.opencode.de
+    - host: localhost
+      port: 80
       paths:
-        - path: /api
-          pathType: Prefix
+        - path: /api(/|$)(.*)
+          pathType: ImplementationSpecific
   tls: [ ]
-  #  - secretName: cert-terminfinder.opencode.de
-  #    hosts:
-  #      - terminfinder.de
 
 resources:
-  # We recommend to not use limits, since workload spikes can hinder the application or cause crashes
-  # due to OOM errors. Read more about it here:
-  # https://cloud.google.com/blog/products/containers-kubernetes/kubernetes-best-practices-resource-requests-and-limits?hl=en
   limits:
     cpu: 500m
     memory: 256Mi
@@ -99,27 +90,28 @@ affinity: { }
 postgresql:
   enabled: true
 
-  serviceAccount:
-    create: true
+  auth:
+    enablePostgresUser: false
 
-  ## Set permissions for the data volume
-  ## Only needed when volume has not correct permissions
-  volumePermissions:
-    enabled: true
+  primary:
+    persistence:
+      enabled: true
 
-    image:
-      registry: docker.io # Notice, may this is not allowed
-      repository: bitnami/bitnami-shell
-      # tag: 11-debian-11-r77
-      # pullPolicy: Always
-      # pullSecrets: []
+    resources:
+      requests:
+        memory: 256Mi
+        cpu: 250m
+      limits:
+        memory: 256Mi
+        cpu: 250m
 
     initdb:
-      # Enabling the UUID-OSSP
       scripts:
         99-enable-uuid.sql: |
           CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
           ALTER EXTENSION "uuid-ossp" SET SCHEMA public;
 
-  # More variables / parameters can be found here:
-  # https://github.com/bitnami/charts/tree/main/bitnami/postgresql#parameters
+  readReplicas:
+    replicaCount: 0
+    persistence:
+      enabled: false
diff --git a/terminfinder-chart/charts/terminfinder-frontend/templates/NOTES.txt b/terminfinder-chart/charts/terminfinder-frontend/templates/NOTES.txt
@@ -17,7 +17,7 @@
 {{- else if contains "ClusterIP" .Values.service.type }}
   export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app.kubernetes.io/name={{ include "terminfinder-frontend.name" . }},app.kubernetes.io/instance={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")
   export CONTAINER_PORT=$(kubectl get pod --namespace {{ .Release.Namespace }} $POD_NAME -o jsonpath="{.spec.containers[0].ports[0].containerPort}")
-  echo "Visit http://127.0.0.1:8080 to use your application"
-  kubectl --namespace {{ .Release.Namespace }} port-forward $POD_NAME 8080:$CONTAINER_PORT
+  echo "Visit http://127.0.0.1:80 to use your application"
+  kubectl --namespace {{ .Release.Namespace }} port-forward $POD_NAME 80:$CONTAINER_PORT
 {{- end }}
 2. Don't forget to deploy the Backend!
diff --git a/terminfinder-chart/charts/terminfinder-frontend/templates/deployment.yaml b/terminfinder-chart/charts/terminfinder-frontend/templates/deployment.yaml
@@ -35,16 +35,18 @@ spec:
           image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
           imagePullPolicy: {{ .Values.image.pullPolicy }}
           env:
-            - name: ADDRESSING
-              value: {{ .Values.customerConfig.ADDRESSING }}
-            - name: LOCALE
-              value: {{ .Values.customerConfig.LOCALE }}
+            - name: CUSTOMER_ID
+              value: {{ required "no customerId set" .Values.application.customerId }}
+            - name: API_URL
+              value: {{ .Values.application.apiUrl }}
             - name: TITLE
-              value: {{ .Values.customerConfig.TITLE }}
+              value: {{ .Values.application.title }}
+            - name: LOCALE
+              value: {{ required "no locale set" .Values.application.locale }}
+            - name: ADDRESSING
+              value: {{ required "no addressing set" .Values.application.addressing }}
             - name: EMAIL
-              value: {{ .Values.customerConfig.EMAIL }}
-            - name: API_URL
-              value: {{ .Values.app.backend_url }}
+              value: {{ required "no email set" .Values.application.email }}
           ports:
             - name: http
               containerPort: 8080
diff --git a/terminfinder-chart/charts/terminfinder-frontend/values.yaml b/terminfinder-chart/charts/terminfinder-frontend/values.yaml
@@ -1,17 +1,12 @@
-# Default values for terminfinder-frontend.
-# This is a YAML-formatted file.
-# Declare variables to be passed into your templates.
+application:
+  customerId: "80248A42-8FE2-4D4A-89DA-02E683511F76"
+  apiUrl: ""
+  title: ""
+  locale: "de-DE"
+  addressing: "du"
+  email: "demo@demo.demo"
 
-customerConfig:
-  ADDRESSING: "du" # supported: du, sie
-  LOCALE: "de-DE" # supported: DE-de, EN-en
-  TITLE: "Terminfinder Demo"
-  EMAIL: ""
-
-app:
-  backend_url: https://terminfinder.opencode.de/api # Public URL to Backend
-
-replicaCount: 1 # Not HA for now!
+replicaCount: 1
 
 image:
   repository: registry.opencode.de/dataport/terminfinder/terminfinder-frontend
@@ -23,12 +18,8 @@ nameOverride: ""
 fullnameOverride: ""
 
 serviceAccount:
-  # Specifies whether a service account should be created
-  create: true
-  # Annotations to add to the service account
+  create: false
   annotations: { }
-  # The name of the service account to use.
-  # If not set and create is true, a name is generated using the fullname template
   name: ""
 
 podAnnotations: { }
@@ -41,39 +32,26 @@ podSecurityContext:
 
 securityContext:
   capabilities:
-    # add:
-    #   - NET_BIND_SERVICE
     drop:
       - ALL
   readOnlyRootFilesystem: false
-  # runAsUser: 1000
 
 service:
   type: ClusterIP
-  port: 80
+  port: 8080
 
 ingress:
-  enabled: false
+  enabled: true
   className: "nginx"
-  annotations:
-    { }
-  # kubernetes.io/ingress.class: nginx
-  # nginx.ingress.kubernetes.io/ssl-redirect: "true"
-  # cert-manager.io/cluster-issuer: letsencrypt-production
   hosts:
-    - host: terminfinder.opencode.de
+    - host: localhost
+      port: 80
       paths:
         - path: /
           pathType: Prefix
   tls: [ ]
-  #  - secretName: cert-terminfinder.opencode.de
-  #    hosts:
-  #      - terminfinder.de
 
 resources:
-  # We recommend to not use limits, since workload spikes can hinder the application or cause crashes
-  # due to OOM errors. Read more about it here:
-  # https://cloud.google.com/blog/products/containers-kubernetes/kubernetes-best-practices-resource-requests-and-limits?hl=en
   limits:
     cpu: 500m
     memory: 256Mi
@@ -86,7 +64,6 @@ autoscaling:
   minReplicas: 1
   maxReplicas: 20
   targetCPUUtilizationPercentage: 80
-  # targetMemoryUtilizationPercentage: 80
 
 nodeSelector: { }
 
diff --git a/terminfinder-chart/values.yaml b/terminfinder-chart/values.yaml
