Zetta Fleet Service

gistfile1.txt

[Unit]
Description=Zetta API
After=docker.service
Requires=docker.service

[Service]
TimeoutStartSec=0
ExecStartPre=-/usr/bin/docker kill zetta
ExecStartPre=-/usr/bin/docker rm zetta
ExecStartPre=/usr/bin/docker pull mdobson/zetta-docker
ExecStart=/usr/bin/docker run -rm --name zetta -p 80:3000 mdobson/zetta-docker 
ExecStop=/usr/bin/docker stop zetta

[X-Fleet]
Conflicts=zetta@*.service

gistfile2.txt

[Unit]
Description=Zetta Sidekick Process

Requires=etcd.service
Requires=zetta@%i.service

After=etcd.service
After=zetta@%i.service
BindsTo=zetta@%i.service

[Service]

EnvironmentFile=/etc/environment

ExecStart=/bin/bash -c '\
  while true; do \
    curl -f ${COREOS_PUBLIC_IPV4}:80; \
    if [ $? -eq 0]; then \
      etcdctl set /services/zetta/${COREOS_PUBLIC_IPV4} \'{"host": "%H", "ipv4_addr":${COREOS_PUBLIC_IPV4}, "port": 80}\' --ttl 30; \
    else \
      etcdctl rm /services/zetta/${COREOS_PUBLIC_IPV4}; \
    fi; \
    sleep 20; \
  done'

ExecStop=/usr/bin/etcdctl rm /services/zetta/${COREOS_PUBLIC_IPV4}

[X-Fleet]
X-ConditionMachineOf=zetta@%i.service