ConfigMap, Secret을 여러 namespace에 복제하기

설치

• https://github.com/mittwald/kubernetes-replicator

helm repo add mittwald https://helm.mittwald.de

helm repo update mittwald \
&& helm search repo mittwald/kubernetes-replicator | head -n 10

helm pull mittwald/kubernetes-replicator --version 2.9.2

helm show values mittwald/kubernetes-replicator --version 2.9.2 > kubernetes-replicator-2.9.2.yaml

helm template replicator kubernetes-replicator-2.9.2.tgz \
  -n replicator \
  -f replicator-values.yaml \
  > replicator.yaml

helm upgrade replicator kubernetes-replicator-2.9.2.tgz \
  --install \
  --history-max 5 \
  -n replicator \
  -f replicator-values.yaml

Push 기반 복제

metadata:
  annotations:
    replicator.v1.mittwald.de/replicate-to: "<namespaceSelector>[,<namespaceSelector>]"
    replicator.v1.mittwald.de/replicate-to-matching: "<labelSelector>[,<labelSelector>]"

namespaceSelector, labelSelector 중 하나 또는 둘 다 사용할 수 있습니다.

• namespaceSelector
  • 매칭되어야할 namespace입니다.
  • 정규표현식을 허용합니다.
• labelSelector
  • 매칭되어야할 label입니다.
  • https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#label-selectors
  • <key>
  • !<key>
  • <key>=<value>
  • <key>!=<value>
  • <key> in (<value>[,<value>])
  • <key> notin (<value>[,<value>])

Pull 기반 복제