Add postgres support for grafana

Author: akash4sh

charts/client/Chart.yaml

@@ -15,7 +15,7 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 1.1.7
+version: 1.1.8
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to
@@ -31,7 +31,12 @@ dependencies:
     condition: clickhouse.enabled
     version: 1.0.2
     repository: https://intelops.github.io/kubviz/
+  - name: postgresql
+    condition: postgresql.enabled
+    version: 1.0.0
+    repository: https://kube-tarian.github.io/helmrepo-supporting-tools/
   - name: grafana
     condition: grafana.enabled
     version: 1.0.3
     repository: https://kube-tarian.github.io/helmrepo-supporting-tools/
+    

charts/client/values.yaml

@@ -98,12 +98,54 @@ clickhouse:
   clickhouse:
     replicas: "1"
 
+postgresql:
+  enabled: false
+  auth:
+    ## @param auth.enablePostgresUser Assign a password to the "postgres" admin user. Otherwise, remote access will be blocked for this user
+    ##
+    enablePostgresUser: true
+    ## @param auth.postgresPassword Password for the "postgres" admin user. Ignored if `auth.existingSecret` is provided
+    ##
+    postgresPassword: ""
+    ## @param auth.username Name for a custom user to create
+    ##
+    username: ""
+    ## @param auth.password Password for the custom user to create. Ignored if `auth.existingSecret` is provided
+    ##
+    password: ""
+    ## @param auth.database Name for a custom database to create
+    ##
+    database: ""
+    ## @param auth.existingSecret Name of existing secret to use for PostgreSQL credentials. `auth.postgresPassword`, `auth.password`, and `auth.replicationPassword` will be ignored and picked up from this secret. The secret might also contains the key `ldap-password` if LDAP is enabled. `ldap.bind_password` will be ignored and picked from this secret in this case.
+    ##
+    existingSecret: ""
+  metrics:
+    enabled: false 
+
 grafana:
   enabled: false
   plugins:
   - vertamedia-clickhouse-datasource
   - grafana-clickhouse-datasource
   - volkovlabs-echarts-panel
+  sidecar:
+    dashboards:
+      provider:
+        allowUiUpdates: true
+  # grafana.ini:
+  #   database:
+  #     enabled: true
+  #     type: postgres
+  #     host: kubviz-client-postgresql:5432
+  #     name: postgres
+  #     ssl_mode: disable
+  #     user: postgres
+  #     password: $__file{/etc/secrets/postgresql/postgres-password}
+  # extraSecretMounts: 
+  # - name: my-postgresql-mount 
+  #   mountPath: /etc/secrets/postgresql
+  #   secretName: kubviz-client-postgresql
+  #   readOnly: true
 
 dashboards:
   enabled: true