major1201/kubemutator repository overview

cd examples/tls
DEPLOYMENT=us-east-1 CLUSTER=PRODUCTION ./new-kubemutator-cert.rb

cat examples/tls/us-east-1/PRODUCTION/ca.crt | base64

kubectl -n kube-system apply -f examples/kubernetes/mutating-webhook-configuration.yaml

kubectl -n kube-system apply -f serviceaccount.yaml
kubectl -n kube-system apply -f clusterrole.yaml
kubectl -n kube-system apply -f clusterrolebinding.yaml
kubectl -n kube-system apply -f configmap.yaml  # !! rewrite configmap with your config file and mutator cert and key
kubectl -n kube-system apply -f deployment.yaml
kubectl -n kube-system apply -f service.yaml

# if you have prometheus operator deployed, you can add service monitor below
kubectl -n kube-system apply -f service-monitor.yaml

cd examples/chart

# generate you custom values
helm inspect values kubemutator > custom.yaml

# make some changes to custom.yaml

# show what would happen next
helm template --name kubemutator --namespace kube-system -f custom.yaml kubemutator

# install to your Kubernetes cluster
helm install --name kubemutator --namespace kube-system -f custom.yaml kubemutator

annotationKey: kubemutator.example.com/requests

strategies:
  - name: filebeat
    patches:
      # add filebeat sidecar
      - isTemplate: true
        data: |
          op: add
          path: /spec/containers/-
          value:
            name: filebeat
            image: myrepo/filebeat
            resources:
              requests:
                cpu: 100m
                memory: 128Mi
              limits:
                cpu: 100m
                memory: 128Mi
            volumeMounts:
              - name: logs
                mountPath: /var/log/{{ .Labels.k8s-app }}

rules:
  - namespace:
      - default
    selector:
      matchLabels:
        k8s-app: myapp
    strategies:
      - filebeat