a wild bakup script appear

README.md

@@ -1,2 +1,4 @@
 # role-postgresql-backup
 Ansible role to automaticcally backup your postgresql database you created with ansible
+
+WÖRK IN PROGRESS, obviously!

files/postgresql-backup-script.sh

@@ -0,0 +1,54 @@
+#!/usr/bin/env bash
+# this file is managed by ansible!
+
+set -o pipefail
+
+
+BACKUP_DIR_BASE="{{ postgresql_backup.backup_dir | default( '/var/backup/postgresql/' ) }}"
+DATE_FORMAT="{{ postgresql_backup.date_format | default( '%Y-%m-%d_%H-%M' ) }}"
+PG_HOSTNAME
+PG_USERNAME
+PG_PORT
+PG_DATABASE
+
+create_backup_dir() {
+	local backup_dir="${BACKUP_DIR_BASE%/}/$(date "+$DATE_FORMAT")"
+	mkdir -p "$backup_dir"
+	echo "$backup_dir"
+}
+
+
+backup_databases() {
+  local filename="${PG_DATABASE}.psql"
+  if (umask 077 && pg_dump -F c -h "$PG_HOSTNAME" -U "$PG_USERNAME" -p "$PG_PORT" "$PG_DATABASE" -f "${filename}.in_progress"); then
+	  mv "${filename}.in_progress" "$filename"
+  else
+	  return 1
+  fi;
+	done <<< "$databases"
+	return 0
+}
+
+
+
+
+main() {
+	backup_dir="$(create_backup_dir)"
+	echo "Created backup directory \"${backup_dir}\"."
+
+	pushd . >/dev/null
+	cd "$backup_dir"
+
+	echo "Starting databases backup."
+	if backup_databases; then
+		echo "Databases backup is done."
+	else
+		echo "Databases backup failed. Exiting."
+		exit 1;
+	fi;
+
+	popd >/dev/null
+}
+
+
+main

vars/main.yml

@@ -1,6 +1,6 @@
 ---
 # versionscheck
-playbook_version_number: 12 # should be int
+playbook_version_number: 13 # should be int
 playbook_version_path: 'role-postgresql-backup_roles-ansible_github.com.version' # unique string
 
 _postgresql_backup: