build: add make targets to dump the database (#13771)

Signed-off-by: Mason Malone <[email protected]>

.gitignore

@@ -40,6 +40,7 @@ git-ask-pass.sh
 sdks/python/client/dist/*
 /v3/
 /cmd/argoexec/commands/test.txt
+/db-dumps/
 
 # Do not commit rendered installation manifests since they are misleading to users.
 manifests/install.yaml

Makefile

@@ -588,11 +588,22 @@ endif
 
 .PHONY: postgres-cli
 postgres-cli:
-	kubectl exec -ti `kubectl get pod -l app=postgres -o name|cut -c 5-` -- psql -U postgres
+	kubectl exec -ti svc/postgres -- psql -U postgres
+
+.PHONY: postgres-dump
+postgres-dump:
+	@mkdir -p db-dumps
+	kubectl exec svc/postgres -- pg_dump --clean -U postgres > "db-dumps/postgres-$(BUILD_DATE).sql"
 
 .PHONY: mysql-cli
 mysql-cli:
-	kubectl exec -ti `kubectl get pod -l app=mysql -o name|cut -c 5-` -- mysql -u mysql -ppassword argo
+	kubectl exec -ti svc/mysql -- mysql -u mysql -ppassword argo
+
+.PHONY: mysql-dump
+mysql-dump:
+	@mkdir -p db-dumps
+	kubectl exec svc/mysql -- mysqldump --no-tablespaces -u mysql -ppassword argo > "db-dumps/mysql-$(BUILD_DATE).sql"
+
 
 test-cli: ./dist/argo
 

docs/running-locally.md

@@ -148,6 +148,20 @@ You'll have, either:
 * Postgres on <http://localhost:5432>, run `make postgres-cli` to access.
 * MySQL on <http://localhost:3306>, run `make mysql-cli` to access.
 
+To back up the database, use `make postgres-dump` or `make mysql-dump`, which will generate a SQL dump in the `db-dumps/` directory.
+
+```console
+make postgres-dump
+```
+
+To restore the backup, use `make postgres-cli` or `make mysql-cli`, piping in the file from the `db-dumps/` directory.
+
+Note that this is destructive and will delete any data you have stored.
+
+```console
+make postgres-cli < db-dumps/2024-10-16T17:11:58Z.sql
+```
+
 To test SSO integration, use `PROFILE=sso`:
 
 ```bash