refact

Makefile

@@ -1,28 +1,55 @@
+BACKUP_BASE      ?= /srv/backup
+BACKUP_KEEP_DAYS ?= 7
+
+DATABASE_BACKUP_BASE    ?= $(BACKUP_BASE)/database
+REPOSITORY_BACKUP_BASE  ?= $(BACKUP_BASE)/repositories
+
+REDMINE_STACK    ?= /srv/stacks/redmine
+WIKI_STACK       ?= /srv/stacks/wiki
+CATALOG_STACK    ?= /srv/stacks/teletype-games
+
+GITEA_SERVER     ?= https://git.teletype.hu
+GITEA_API        ?= $(GITEA_SERVER)/api/v1/repos/search?limit=10000&private=true
 
 db_redmine:
 	echo "==> Dump Redmine database"
-	cd /srv/stacks/redmine && docker compose exec database sh /db_backup/mariadb_backup.sh
+	cd $(REDMINE_STACK) && docker compose exec database sh /db_backup/mariadb_backup.sh
 
 db_wiki:
 	echo "==> Dump Wiki database"
-	cd /srv/stacks/wiki && docker compose exec wiki_db sh /db_backup/pg_backup.sh
+	cd $(WIKI_STACK) && docker compose exec wiki_db sh /db_backup/pg_backup.sh
 
 db_catalog:
 	echo "==> Dump Catalog database"
-	cd /srv/stacks/teletype-games && docker compose exec mysql sh /db_backup/mysql_backup.sh
+	cd $(CATALOG_STACK) && docker compose exec mysql sh /db_backup/mysql_backup.sh
+
+db_cleanup:
+	echo "==> Cleanup database dumps older than $(BACKUP_KEEP_DAYS) days"
+	@prefixes=$$(find $(DATABASE_BACKUP_BASE) -maxdepth 1 -type f -name "*.sql" \
+		| xargs -I{} basename {} \
+		| sed 's/-[0-9].*$$//' \
+		| sort -u); \
+	for prefix in $$prefixes; do \
+		total=$$(find $(DATABASE_BACKUP_BASE) -maxdepth 1 -type f -name "$$prefix-*.sql" | wc -l); \
+		old=$$(find $(DATABASE_BACKUP_BASE) -maxdepth 1 -type f -name "$$prefix-*.sql" -mtime +$(BACKUP_KEEP_DAYS) | wc -l); \
+		keep=$$((total - old)); \
+		if [ "$$keep" -ge 1 ]; then \
+			echo "===> Cleaning $$prefix dumps ($$old old, $$keep remaining)"; \
+			find $(DATABASE_BACKUP_BASE) -maxdepth 1 -type f -name "$$prefix-*.sql" -mtime +$(BACKUP_KEEP_DAYS) -delete; \
+		else \
+			echo "===> Skipping $$prefix (would leave no backups)"; \
+		fi; \
+	done
 
 repos:
 	echo "==> Get GIT repositories"
-	@BASE="/srv/backup/repositories/"; \
-	SRC="https://git.teletype.hu"; \
-	@TOKEN=$$GITEA_TOKEN; \
-  mkdir -p $$BASE; \
-  curl -s -H "Authorization: token $$TOKEN" "$$SRC/api/v1/repos/search?limit=10000&private=true" \
+	@mkdir -p "$(REPOSITORY_BACKUP_BASE)"; \
+	curl -s -H "Authorization: token $(GITEA_TOKEN)" "$(GITEA_API)" \
 	| jq -r '.data[] | "\(.clone_url) \(.full_name)"' \
 	| while read repo fullname; do \
 		repo=$$(echo $$repo | sed 's|^http://|https://|'); \
 		name=$$(basename $$fullname); \
-		dir="$$BASE/$$name"; \
+		dir="$(REPOSITORY_BACKUP_BASE)/$$name"; \
 		echo "===> Get $$repo name=$$name"; \
 		if [ -d "$$dir/.git" ]; then \
 			git -C "$$dir" fetch --all --prune; \
@@ -32,4 +59,4 @@ repos:
 		fi; \
 	done
 
-backup: db_redmine db_wiki db_catalog repos
+backup: db_redmine db_wiki db_catalog repos db_cleanup