new: [edit] posgres-database for zato charm

zato/hooks/init

@@ -21,7 +21,7 @@ DATASTORE_ZATO_DIR="$SERVICE_NAME$ZATO_DIR"
 
 SSH_PASSWORD_FILE="$SERVICE_DATASTORE"/.compose/password/ssh-password
 DASHBOARD_PASSWORD_FILE="$SERVICE_DATASTORE"/.compose/password/dashboard-password
-IDE_PASSWORD_FILE="$SERVICE_DATASTORE"/.compose/password/utils-secret
+IDE_PASSWORD_FILE="$SERVICE_DATASTORE"/.compose/password/ide-password
 
 ssh_password=$(generate_or_get_secret "$SSH_PASSWORD_FILE")
 dashboard_password=$(generate_or_get_secret "$DASHBOARD_PASSWORD_FILE")

zato/hooks/postgres_database-relation-joined

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+set -e
+
+user=$(relation-get user) || exit 1
+password="$(relation-get password)" || exit 1
+dbname="$(relation-get dbname)" || exit 1
+COMPOSE_DIR="$SERVICE_DATASTORE/.compose"
+
+echo "
+user:${user}
+dbname:${dbname}
+password:${password}
+" > $COMPOSE_DIR/psql_id

zato/metadata.yml

@@ -18,6 +18,13 @@ uses:
       proxy: "Public access"
     default-options:
       target: !var-expand ${MASTER_BASE_SERVICE_NAME}:8183
+  postgres-database:
+    #constraint: required | recommended | optional
+    #auto: pair | summon | none ## default: pair
+    constraint: required
+    auto: summon
+    solves:
+      database: "main storage"
   backup:
     constraint: recommended
     auto: pair