emreodabas / image-decorator-controller

Kubernetes Controller for importing external images to own/local repository and redeploy workload

image-decorator-controller

Firstly this project structure is created with kubebuilder

Kubernetes Controller for importing external images to own/local repository and redeploy workload

• Docker account -> https://hub.docker.com/u/kubermatico
• Demo run on the latest Kind cluster (kind v0.10.0 go1.15.7 linux/amd64)

Run Demo

• git clone https://github.com/emreodabas/image-decorator-controller
• cd /image-decorator-controller && go get && /hack/runDemo.sh
• removing sample data
• hack/resetWorkloads.sh
• check sample data states
• hack/checkStates.sh

Installation

localhost

• git clone https://github.com/emreodabas/image-decorator-controller
• cd image-decorator-controller && make run ENV=dev

Kubernetes

!! kustomize required

• git clone https://github.com/emreodabas/image-decorator-controller
• cd image-decorator-controller && go get && make deploy

Docker publish

• git clone https://github.com/emreodabas/image-decorator-controller
• cd image-decorator-controller && make docker-publish

Configurations

for development usage add environment variable ENV=dev

Variable Name	Description	Sample
BACKUP_REGISTRY_ADDRESS	(required) backup registry address	"kubermatico" "gcr.io/kubermatico"
REQUEUE_DURATION	ms based requeue duration	"5000"
IGNORED_NS	comma seperated namespaces for ignored namespaces	"kube-system,kube-builder-system"
USERNAME	(required) registry username	kubermatico
PASSWORD	required if access token is null	-
ACCESS_TOKEN	required if password is null	-
KUBE_CONFIG_PATH	local path of kubeconfig	/home/emreo/.kube/config
LEADER_ELECTION	boolean default false	true - false

Known issues

• Controller throw exception if resource updated while process
  • This reconciles are requeueing and processed after requeue duration
• Configuration file committed for development usage