Added postgres deployment

src/main/cljc/dda/k8s_keycloak/core.cljc

@@ -40,6 +40,9 @@
    (assoc-in [:data :config.edn] (str my-config))
    (assoc-in [:data :credentials.edn] (str my-auth))))
 
+(defn generate-postgres-config []
+   (yaml/from-string (yaml/load-resource "postgres/postgres-config.yaml")))
+
 (defn generate-deployment [my-auth]
   (let [{:keys [user-name user-password]} my-auth]
     (->
@@ -47,6 +50,14 @@
      (assoc-in [:spec :template :spec :containers 0 :env 0 :value] user-name)
      (assoc-in [:spec :template :spec :containers 0 :env 1 :value] user-password))))
 
+(defn generate-postgres-deployment [my-auth]
+  (let [{:keys [postgres-user postgres-password postgres-db]} my-auth]
+    (->
+     (yaml/from-string (yaml/load-resource "postgres/postgres-deployment.yaml"))
+     (assoc-in [:spec :template :spec :containers 0 :env 0 :value] postgres-user)
+     (assoc-in [:spec :template :spec :containers 0 :env 1 :value] postgres-db)
+     (assoc-in [:spec :template :spec :containers 0 :env 2 :value] postgres-password))))
+
 (defn generate-certificate [config]
   (let [{:keys [fqdn issuer]
          :or {issuer :staging}} config
@@ -69,11 +80,20 @@
 (defn generate-service []
   (yaml/from-string (yaml/load-resource "service.yaml")))
 
+(defn generate-postgres-service []
+  (yaml/from-string (yaml/load-resource "postgres/postgres-service.yaml")))
+
 (defn-spec generate any?
   [my-config config?
    my-auth auth?]
   (cs/join "\n"
-           [(yaml/to-string (generate-config my-config my-auth))
+           [(yaml/to-string (generate-postgres-config))
+            "---"
+            (yaml/to-string (generate-postgres-service))
+            "---"
+            (yaml/to-string (generate-postgres-deployment my-auth))
+            "---"
+            (yaml/to-string (generate-config my-config my-auth))
             "---"
             (yaml/to-string (generate-certificate my-config))
             "---"

src/main/resources/postgres/postgres-config.yaml

@@ -0,0 +1,10 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: postgres-config
+  labels:
+    app: postgres
+data:
+  postgresql.conf: |
+    max_connections = 1000
+    shared_buffers = 512MB

src/main/resources/postgres/postgres-deployment.yaml

@@ -0,0 +1,38 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: postgresql
+spec:
+  selector:
+    matchLabels:
+      app: postgresql
+  strategy:
+    type: Recreate
+  template:
+    metadata:
+      labels:
+        app: postgresql
+    spec:
+      containers:
+        - image: postgres
+          name: postgresql
+          env:
+            - name: POSTGRES_USER
+              value: "psql-user"
+            - name: POSTGRES_DB
+              value: "psql-db"
+            - name: POSTGRES_PASSWORD
+              value: "psql-pw"
+          ports:
+            - containerPort: 5432
+              name: postgresql
+          cmd:
+          volumeMounts:
+            - name: postgres-config-volume
+              mountPath: /etc/postgresql/postgresql.conf
+              subPath: postgresql.conf
+              readOnly: true
+      volumes:
+        - name: postgres-config-volume
+          configMap:
+            name: postgres-config

src/main/resources/postgres/postgres-service.yaml

@@ -0,0 +1,9 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: postgresql-service
+spec:
+  selector:
+    app: postgresql
+  ports:
+    - port: 5432

src/test/cljc/dda/k8s_keycloak/core_test.cljc

@@ -83,3 +83,30 @@
                :ports [{:name "http", :containerPort 8080}]
                :readinessProbe {:httpGet {:path "/auth/realms/master", :port 8080}}}]}}}}
          (cut/generate-deployment {:user-name "testuser" :user-password "test1234"}))))
+
+(deftest should-generate-postgres-deployment
+  (is (= {:apiVersion "apps/v1"
+          :kind "Deployment"
+          :metadata {:name "postgresql"}
+          :spec
+          {:selector {:matchLabels {:app "postgresql"}}
+           :strategy {:type "Recreate"}
+           :template
+           {:metadata {:labels {:app "postgresql"}}
+            :spec
+            {:containers
+             [{:image "postgres"
+               :name "postgresql"
+               :env
+               [{:name "POSTGRES_USER", :value "psqluser"}
+                {:name "POSTGRES_DB", :value "keycloak"}
+                {:name "POSTGRES_PASSWORD", :value "test1234"}]
+               :ports [{:containerPort 5432, :name "postgresql"}]
+               :cmd nil
+               :volumeMounts
+               [{:name "postgres-config-volume"
+                 :mountPath "/etc/postgresql/postgresql.conf"
+                 :subPath "postgresql.conf"
+                 :readOnly true}]}]
+             :volumes [{:name "postgres-config-volume", :configMap {:name "postgres-config"}}]}}}}
+    (cut/generate-postgres-deployment {:postgres-user "psqluser" :postgres-db "keycloak" :postgres-password "test1234"}))))