feature(wip): Implement basic services and some databases.

kubernetes/databases/README.md

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+# IP map
+* `192.168.2.11` = PostgreSQL
+* `192.168.2.12` = MariaDB/MySQL
+* `192.168.2.13-14` = Reserved (maybe add Redis?)

kubernetes/databases/mariadb/configmap.yml

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+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: mariadb-details
+  labels:
+    app: mariadb
+data:
+  MARIADB_DATABASE: mdb_db

kubernetes/databases/mariadb/mariadb-svc.yml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: mariadb
+  labels:
+    app: mariadb
+  annotations:
+    metallb.universe.tf/loadBalancerIPs: 192.168.2.12
+
+spec:
+  type: LoadBalancer
+  ports:
+    - protocol: TCP
+      port: 3306
+      targetPort: 3306
+  selector:
+    app: mariadb

kubernetes/databases/mariadb/mariadb.yml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: mariadb-deployment
+spec:
+  replicas: 2
+  selector:
+    matchLabels:
+      app: mariadb
+  template:
+    metadata:
+      labels:
+        app: mariadb
+    spec:
+      containers:
+      - name: mariadb
+        image: "mariadb:11.2.4"
+        ports:
+          - containerPort: 3306
+        envFrom:
+          - configMapRef:
+            name: mariadb-details
+        env:
+        - name: MARIADB_ROOT_PASSWORD
+          valueFrom:
+            secretKeyRef:
+              name: db-credentials
+              key: password
+        - name: MARIADB_DATABASE
+          value: mdb_db
+        volumeMounts:
+            - mountPath: /var/lib/postgresql/data
+              name: mariadb_data
+      volumes:
+        - name: mariadb_data
+          persistentVolumeClaim:
+            claimName: mariadb-volume-claim

kubernetes/databases/mariadb/project.ini

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+[meta]
+format_ver = 1
+
+[mariadb_configmap]
+mode = k3s
+depends_on = metallb_ip_config:db_credentials
+
+[#mariadb_configmap/k3s]
+mode = install
+yml_path = ./configmap.yml
+
+[mariadb_pv]
+mode = k3s
+depends_on = mariadb_configmap
+
+[#mariadb_pv/k3s]
+mode = install
+yml_path = ./pv.yml
+
+[mariadb_pv_claim]
+mode = k3s
+depends_on = mariadb_pv
+
+[#mariadb_pv_claim/k3s]
+mode = install
+yml_path = ./pv-claim.yml
+
+[mariadb]
+mode = k3s
+depends_on = mariadb_pv_claim
+
+[#mariadb/k3s]
+mode = install
+yml_path = ./mariadb.yml
+
+[mariadb_svc]
+mode = k3s
+depends_on = mariadb
+
+[#mariadb_svc/k3s]
+mode = install
+yml_path = ./mariadb-svc.yml

kubernetes/databases/mariadb/pv-claim.yml

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+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: mariadb-volume-claim
+  labels:
+    app: mariadb
+spec:
+  storageClassName: manual
+  accessModes:
+    - ReadWriteMany
+  resources:
+    requests:
+      storage: 10Gi

kubernetes/databases/mariadb/pv.yml

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+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  name: mariadb-volume
+  labels:
+    type: local
+    app: mariadb
+spec:
+  storageClassName: manual
+  capacity:
+    storage: 10Gi
+  accessModes:
+    - ReadWriteMany
+  hostPath:
+    path: /var/lib/mysql

kubernetes/databases/pgadmin/pgadmin-svc.yml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: pgadmin
+
+spec:
+  ports:
+    - name: web
+      port: 80
+      targetPort: web
+
+  selector:
+    app: pgadmin
+---
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: pgadmin-ingress
+spec:
+  rules:
+  - host: "pgadmin.hofers.cloud"
+    http:
+      paths:
+      - path: /
+        pathType: Prefix
+        backend:
+          service:
+            name: pgadmin
+            port:
+              name: web

kubernetes/databases/pgadmin/pgadmin.yml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: pgadmin
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: pgadmin
+  template:
+    metadata:
+      labels:
+        app: pgadmin
+    spec:
+      containers:
+        - name: pgadmin
+          image: dpage/pgadmin4
+          ports:
+            - containerPort: 80
+          env:
+            - name: PGADMIN_DEFAULT_EMAIL
+              valueFrom:
+                secretKeyRef:
+                  name: pgadmin-credentials
+                  key: default-email
+            - name: PGADMIN_DEFAULT_PASSWORD
+              valueFrom:
+                secretKeyRef:
+                  name: pgadmin-credentials
+                  key: default-password

kubernetes/databases/pgadmin/project.ini

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+[meta]
+format_ver = 1
+
+[pgadmin_pv]
+mode = k3s
+depends_on = traefik:postgres_svc
+
+[#pgadmin_pv/k3s]
+mode = install
+yml_path = ./pv.yml
+
+[pgadmin_pv_claim]
+mode = k3s
+depends_on = pgadmin_pv
+
+[#pgadmin_pv_claim/k3s]
+mode = install
+yml_path = ./pv-claim.yml
+
+[pgadmin]
+mode = k3s
+depends_on = pgadmin_pv_claim
+
+[#pgadmin/k3s]
+mode = install
+yml_path = ./pgadmin.yml
+
+[pgadmin_svc]
+mode = k3s
+depends_on = pgadmin
+
+[#pgadmin_svc/k3s]
+mode = install
+yml_path = ./pgadmin-svc.yml

kubernetes/databases/pgadmin/pv-claim.yml

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+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: pgadmin-volume-claim
+  labels:
+    app: pgadmin
+spec:
+  storageClassName: manual
+  accessModes:
+    - ReadWriteMany
+  resources:
+    requests:
+      storage: 10Gi

kubernetes/databases/pgadmin/pv.yml

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+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  name: pgadmin-data
+  labels:
+    type: local
+    app: pgadmin
+spec:
+  storageClassName: manual
+  capacity:
+    storage: 10Gi
+  accessModes:
+    - ReadWriteMany
+  hostPath:
+    path: /var/lib/pgadmin

kubernetes/databases/postgresql/configmap.yml

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+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: postgres-db-details
+  labels:
+    app: postgres
+data:
+  POSTGRES_DB: ps_db

kubernetes/databases/postgresql/postgres-svc.yml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: postgres
+  labels:
+    app: postgres
+  annotations:
+    metallb.universe.tf/loadBalancerIPs: 192.168.2.11
+
+spec:
+  type: LoadBalancer
+  ports:
+    - protocol: TCP
+      port: 5432
+      targetPort: 5432
+  selector:
+    app: postgres

kubernetes/databases/postgresql/postgres.yml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: postgres-deployment
+spec:
+  replicas: 2
+  selector:
+    matchLabels:
+      app: postgres
+  template:
+    metadata:
+      labels:
+        app: postgres
+    spec:
+      containers:
+        - name: postgres
+          image: "postgres:16"
+          imagePullPolicy: IfNotPresent
+          ports:
+            - containerPort: 5432
+          envFrom:
+            - configMapRef:
+                name: postgres-db-details
+          env:
+            - name: POSTGRES_USER
+              valueFrom:
+                secretKeyRef:
+                  name: db-credentials
+                  key: username
+            - name: POSTGRES_PASSWORD
+              valueFrom:
+                secretKeyRef:
+                  name: db-credentials
+                  key: password
+          volumeMounts:
+            - mountPath: /var/lib/postgresql/data
+              name: postgresdata
+      volumes:
+        - name: postgresdata
+          persistentVolumeClaim:
+            claimName: postgres-volume-claim

kubernetes/databases/postgresql/project.ini

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+[meta]
+format_ver = 1
+
+[postgres_configmap]
+mode = k3s
+depends_on = metallb_ip_config:db_credentials
+
+[#postgres_configmap/k3s]
+mode = install
+yml_path = ./configmap.yml
+
+[postgres_pv]
+mode = k3s
+depends_on = postgres_configmap
+
+[#postgres_pv/k3s]
+mode = install
+yml_path = ./pv.yml
+
+[postgres_pv_claim]
+mode = k3s
+depends_on = postgres_pv
+
+[#postgres_pv_claim/k3s]
+mode = install
+yml_path = ./pv-claim.yml
+
+[postgres]
+mode = k3s
+depends_on = postgres_pv_claim
+
+[#postgres/k3s]
+mode = install
+yml_path = ./postgres.yml
+
+[postgres_svc]
+mode = k3s
+depends_on = postgres
+
+[#postgres_svc/k3s]
+mode = install
+yml_path = ./postgres-svc.yml

kubernetes/databases/postgresql/pv-claim.yml

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+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: postgres-volume-claim
+  labels:
+    app: postgres
+spec:
+  storageClassName: manual
+  accessModes:
+    - ReadWriteMany
+  resources:
+    requests:
+      storage: 10Gi

kubernetes/databases/postgresql/pv.yml

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+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  name: postgres-volume
+  labels:
+    type: local
+    app: postgres
+spec:
+  storageClassName: manual
+  capacity:
+    storage: 10Gi
+  accessModes:
+    - ReadWriteMany
+  hostPath:
+    path: /data/postgresql

kubernetes/databases/project.ini

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+[meta]
+format_ver = 1
+
+[postgres]
+description = PostgreSQL
+mode = include
+path = ./postgresql/project.ini
+
+[mariadb]
+description = MariaDB
+mode = include
+path = ./mariadb/project.ini
+
+[pgadmin]
+description = pgAdmin
+mode = include
+path = ./pgadmin/project.ini