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config/postgresql/multiple-postgressql-databases.sh

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+#!/bin/bash
+
+set -e
+set -u
+
+function create_user_and_database() {
+	local database=$1
+	echo "  Creating user and database '$database'"
+	psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" <<-EOSQL
+	    CREATE DATABASE "$database";
+	    GRANT ALL PRIVILEGES ON DATABASE "$database" TO $POSTGRES_USER;
+EOSQL
+}
+
+function create_extension() {
+	local database=$(echo $1 | tr ':' ' ' | awk  '{print $1}')
+	local extension=$(echo $1 | tr ':' ' ' | awk  '{print $2}')
+	echo "  Creating database '$database' extension '$extension'"
+	psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" "$database" <<-EOSQL
+	    CREATE EXTENSION "$extension";
+EOSQL
+}
+
+if [ -n "$POSTGRES_MULTIPLE_DATABASES" ]; then
+	echo "Multiple database creation requested: $POSTGRES_MULTIPLE_DATABASES"
+	for db in $(echo $POSTGRES_MULTIPLE_DATABASES | tr ',' ' '); do
+		create_user_and_database $db
+	done
+	echo "Multiple databases created"
+fi
+
+if [ -n "$POSTGRES_EXTENSION" ]; then
+	echo "Extension database creation requested: $POSTGRES_EXTENSION"
+	for db in $(echo $POSTGRES_EXTENSION | tr ',' ' '); do
+		create_extension $db
+	done
+	echo "Extensions created"
+fi