[WIFI-3150] Add: external databases as optional dependencies for Helm chart

.gitignore

@@ -25,3 +25,6 @@ _deps
 test_scripts/curl/token.json
 .vscode/c_cpp_properties.json
 test_scripts/curl/result.json
+*.swp
+helm/charts/*
+!helm/charts/.gitkeep

helm/Chart.lock

@@ -0,0 +1,12 @@
+dependencies:
+- name: postgresql
+  repository: https://charts.bitnami.com/bitnami
+  version: 10.9.2
+- name: mysql
+  repository: https://charts.bitnami.com/bitnami
+  version: 8.8.3
+- name: mariadb
+  repository: https://charts.bitnami.com/bitnami
+  version: 9.4.2
+digest: sha256:1fdae7cbea906e41dccd8618ff9e2c68d0c684724ae27c79a12bb6089968df5c
+generated: "2021-08-17T12:18:40.341427893+03:00"

helm/Chart.yaml

@@ -1,5 +1,18 @@
-apiVersion: v1
+apiVersion: v2
 appVersion: "1.0"
 description: A Helm chart for Kubernetes
 name: ucentralgw
 version: 0.1.0
+dependencies:
+- name: postgresql
+  repository: https://charts.bitnami.com/bitnami
+  version: 10.9.2
+  condition: postgresql.enabled
+- name: mysql
+  repository: https://charts.bitnami.com/bitnami
+  version: 8.8.3
+  condition: mysql.enabled
+- name: mariadb
+  repository: https://charts.bitnami.com/bitnami
+  version: 9.4.2
+  condition: mariadb.enabled

helm/values.yaml

@@ -428,3 +428,64 @@ certsCAs:
     L+/DtiR5fDVMNdBSGU89UNTi0wHY9+RFuNlIuvZC+x/swF0V9R5mN+ywquTPtDLA
     5IOM7ItsRmen6u3qu+JXros54e4juQ==
     -----END CERTIFICATE-----
+
+# PostgreSQL (https://github.com/bitnami/charts/tree/master/bitnami/postgresql)
+postgresql:
+  enabled: false
+
+  image:
+    registry: docker.io
+    repository: bitnami/postgresql
+    tag: 11.13.0-debian-10-r0
+
+  postgresqlPostgresPassword: ""
+  postgresqlUsername: postgres
+  postgresqlPassword: ""
+  postgresqlDatabase: ""
+
+  persistence:
+    enabled: true
+    storageClass: ""
+    size: 8Gi
+
+# MySQL (https://github.com/bitnami/charts/tree/master/bitnami/mysql)
+mysql:
+  enabled: false
+
+  image:
+    registry: docker.io
+    repository: bitnami/mysql
+    tag: 8.0.26-debian-10-r10
+
+  auth:
+    rootPassword: ""
+    database: my_database
+    username: ""
+    password: ""
+
+  primary:
+    persistence:
+      enabled: true
+      storageClass: ""
+      size: 8Gi
+
+# MariaDB (https://github.com/bitnami/charts/tree/master/bitnami/mariadb)
+mariadb:
+  enabled: false
+
+  image:
+    registry: docker.io
+    repository: bitnami/mariadb
+    tag: 10.5.12-debian-10-r0
+
+  auth:
+    rootPassword: ""
+    database: my_database
+    username: ""
+    password: ""
+
+  primary:
+    persistence:
+      enabled: true
+      storageClass: ""
+      size: 8Gi