allanlei

kind: DaemonSet
apiVersion: apps/v1
metadata:
  namespace: kube-system
  name: kernel-tuner
  labels:
    app: kernel-tuner
spec:
  selector:
    matchLabels:

allanlei

apiVersion: rbac.authorization.k8s.io/v1beta1
kind: ClusterRole
metadata:
  name: node-labeler
rules:
  - apiGroups: [""]
    resources: ["node"]
    verbs: ["list", "update"]
---
apiVersion: rbac.authorization.k8s.io/v1beta1

allanlei

apiVersion: apps/v1
kind: Deployment
metadata:
  name: redis
spec:
  replicas: 1
  selector:
    matchLabels:
      app: redis
  template:

allanlei

apiVersion: apps/v1
kind: DaemonSet
metadata:
  namespace: kube-system
  name: sysctl
spec:
  selector:
    matchLabels:
      app: sysctl
  template:

allanlei

apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: redis
spec:
  replicas: 1
  selector:
    matchLabels:
      app: redis
  template:

allanlei

FROM        debian

ARG         VERSION=v4.12.0

RUN         apt-get update
RUN         apt-get install -y \
                git-core \
                libtool \
                build-essential \
                gettext \

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kind: DaemonSet
apiVersion: extensions/v1beta1
metadata:
  name: startup-script
  namespace: kube-system
  labels:
    app: startup-script
spec:
  template:
    metadata:

allanlei

FROM        alpine

COPY        entrypoint.sh /
RUN         chmod +x /entrypoint.sh
ENTRYPOINT  ["/entrypoint.sh"]

# run: docker run -it --rm IMAGE "* * * * * echo hello"

allanlei

docker run -it --rm -v tasks.cron:/tasks.cron alpine:3.5 sh -c "crontab /tasks.cron && crond -f -L /dev/stdout"

allanlei

docker run -it --rm alpine sh -c "echo \"* * * * * echo hello\" | crontab - && crond -f -L /dev/stdout"