This is an example Kubernetes Operator implemented with Metacontroller to run a MongoDB migration.

before you begin

Make these commands available.

• docker
• kubectl

edit a migration

1. cd operation
2. Edit spec.url in migration.yaml.
   The content of url will be executed in MongoDB.

to run a migration

1. cd db
   1. make apply-service
2. cd metacontroller
   1. make install
3. cd custom
   1. make apply-crd
   2. make apply-controller
4. cd webhook
   1. make image-build
   2. make create-namespace
   3. make apply-service
5. cd operation
   1. make apply-migration

to confirm

1. cd db
   1. make exec-mongo

to clean up

1. cd operation
   1. make delete-migration
2. cd webhook
   1. make delete-service
   2. make delete-namespace
   3. make image-rm
3. cd custom
   1. make delete-controller
   2. make delete-crd
4. cd metacontroller
   1. make uninstall
   2. make image-rm
5. cd db
   1. make delete-service
   2. make image-rm