skydns.service

# Copyright 2015 HP Software
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
[Unit]
Description=SkyDNS
Documentation=https://github.com/skynetservices/skydns

After=docker.service
Requires=docker.service

[Service]
# Large start timeout is to allow for pulling down Docker images from quay.io
TimeoutStartSec=12min
TimeoutStopSec=15

Restart=on-failure
RestartSec=5

EnvironmentFile=/etc/environment

Environment="SKYDNS_RELEASE=2.5.3a"
Environment="SKYDNS_DOMAIN=skydns.local"
Environment="SKYDNS_ENVIRONMENT=dev"
Environment="SKYDNS_ADDR=0.0.0.0:53"

ExecStartPre=-/usr/bin/docker kill skydns
ExecStartPre=-/usr/bin/docker rm skydns

ExecStart=/bin/bash -a -c \
'SKYDNS_NAMESERVERS=$(/bin/awk \'/^nameserver/ && !/127.0.0.1/ {print $2":53"}\' /etc/resolv.conf | head -n1) && \
exec /usr/bin/docker run \
--name skydns \
-p 53:53/udp \
-p 53:53/tcp \
-e ETCD_MACHINES=http://${COREOS_PRIVATE_IPV4}:4001 \
-e SKYDNS_NAMESERVERS=$SKYDNS_NAMESERVERS \
-e SKYDNS_DOMAIN=${SKYDNS_DOMAIN} \
-e SKYDNS_ADDR=${SKYDNS_ADDR} \
-h local.dns.${SKYDNS_ENVIRONMENT}.${SKYDNS_DOMAIN} \
skynetservices/skydns:${SKYDNS_RELEASE}'

ExecStop=/usr/bin/docker kill skydns

[Install]
WantedBy=multi-user.target

[X-Fleet]
Global=true