add backup database task

README.md

@@ -11,6 +11,7 @@ See Deployer OXID recipe project for further instructions.
 ## available tasks
 
 - dep `shop:getVersion` [stage] - show version of current OXID installation
+- dep `shop:backupDatabase` [stage] - rotate old database backups and create a new one
 - dep `shop:cloneDatabase` [stage] - dump contents from source to destination database
 - dep `shop:runMigration` [stage] - run all database migrations
-- dep `setup:createDbConfig` [stage] - generate database configuration file
+- dep `setup:createDbConfig` [stage] - generate database configuration file

recipe/shopTasks.php

@@ -82,3 +82,23 @@ task('shop:cloneDatabase', function () {
         warning('missing config, task skipped');
     }
 });
+
+desc('rotate old database backups and create a new one');
+task('shop:backupDatabase', function () {
+    if (get('mysql_configured') && get('mysqldump_configured')) {
+        if (!test("[ -f {{deploy_path}}/database/rotatemap.conf ]")) {
+            run('printf "{{deploy_path}}/database/backup/backup.sql {\n    rotate 5\n}" > {{deploy_path}}/database/rotatemap.conf');
+        }
+        if (!test("[ -d {{deploy_path}}/database/backup ]")) {
+            run("mkdir -p {{deploy_path}}/database/backup");
+        }
+        $source_name = parse_ini_file(get('db_conf_path'))['database'];
+        if (test("[ -f {{deploy_path}}/database/backup/backup.sql ]")) {
+            run("logrotate -f -s {{deploy_path}}/database/rotatemap.state {{deploy_path}}/database/rotatemap.conf");
+        }
+        run("{{bin/mysqldump}} --defaults-extra-file={{db_conf_path}} --opt --no-create-db -f ".$source_name." $({{bin/mysql}} --defaults-extra-file={{db_conf_path}} -ANe\"SET group_concat_max_len = 10485760; SELECT GROUP_CONCAT(table_name SEPARATOR ' ') FROM information_schema.tables WHERE table_schema='".$source_name."' AND engine IS NOT NULL;\") > {{deploy_path}}/database/backup/backup.sql");
+        info('successfully dumped to {{deploy_path}}/database/backup/backup.sql');
+    } else {
+        warning('missing config, task skipped');
+    }
+});