Merge pull request #173 from maevsi/fix/grafana/postgres-connection

fix(grafana): source postgres datasource secrets from file

Author: dargmuesli

src/production/configurations/grafana/dashboards/postgres.json

@@ -213,7 +213,7 @@
           "editorMode": "code",
           "format": "table",
           "rawQuery": true,
-          "rawSql": "SELECT created as time, row_number() OVER (ORDER BY created) FROM maevsi_private.account",
+          "rawSql": "SELECT created_at as time, row_number() OVER (ORDER BY created_at) FROM maevsi_private.account",
           "refId": "A",
           "sql": {
             "columns": [

src/production/configurations/grafana/provisioning/datasources/postgres.yaml

@@ -8,7 +8,7 @@ datasources:
       sslmode: 'disable'
     name: PostgreSQL
     secureJsonData:
-      password: postgres
+      password: $__file{/run/secrets/postgres_role_grafana_password}
     type: grafana-postgresql-datasource
     url: postgres:5432
-    user: postgres
+    user: $__file{/run/secrets/postgres_role_grafana_username}

src/production/configurations/postgres/docker-entrypoint-initdb.d/additional-databases.sh

@@ -2,7 +2,7 @@
 
 set -eu
 
-username="$(cat /run/secrets/postgres_user)"
+postgres_user="$(cat /run/secrets/postgres_user)"
 
 create_database_and_role() {
     db_name="$1"
@@ -24,7 +24,7 @@ create_database_and_role() {
 
     echo "[INFO] Creating user and database: '$db_name'"
 
-    psql -v ON_ERROR_STOP=1 --username "$username" --dbname "postgres" <<-EOSQL
+    psql -v ON_ERROR_STOP=1 --username "$postgres_user" --dbname "postgres" <<-EOSQL
         CREATE ROLE "$db_username" WITH LOGIN PASSWORD '$db_password';
         CREATE DATABASE "$db_name" OWNER "$db_username";
 EOSQL