dkron inside docker

dkron setup

export HOST=xxxxx

# run this on every node

sudo docker run -p 8946:8946 -p 8946:8946/udp -p 6868:6868 \
  --label "traefik.port=8080" \
  --label "traefik.frontend.rule=PathPrefixStrip: /dkron" \
  -v /usr/local/bin/docker:/usr/local/bin/docker \
  -v /var/run/docker.sock:/var/run/docker.sock \
  dkron/dkron \
  agent -server \
  -backend=etcd \
  -backend-machine=$(hostname -i):2379 \
  -tag role=executor \
  -advertise=$(hostname -i) \
  -join=${HOST}:8946


curl -X POST -d '{"name": "date-test", "schedule": "*/5 * * * * *", "command": "docker run centos date", "tags":{"role":"executor:1"}, "concurrenty": "disallow"}' http://${HOST}/dkron/v1/jobs

etcd setup

export ETCD_DISCOVERY=$(curl https://discovery.etcd.io/new?size=2)
echo $ETCD_DISCOVERY

#export ETCD_DISCOVERY=

# run this on every node with the same discovery environment variable

sudo docker run -d -p 2380:2380 -p 2379:2379 --name etcd \
  -v /etc/ssl/certs/:/etc/ssl/certs \
  quay.io/coreos/etcd \
  etcd --name $(hostname) \
  --listen-client-urls http://0.0.0.0:2379 \
  --advertise-client-urls http://$(hostname -i):2379 \
  --listen-peer-urls https://0.0.0.0:2380 \
  --initial-advertise-peer-urls https://$(hostname -i):2380 \
  --peer-auto-tls