dd-agent.service

# Copyright 2016 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=custom dd-agent for Gaia
Documentation=https://github.com/gaia-adm/dd-agent.git

After=docker.service
Requires=docker.service

[Service]
# Let processes take awhile to start up (for first run Docker containers)
# Large start timeout is to allow for pulling down Docker images from Registry
TimeoutStartSec=20min
TimeoutStopSec=15

# Restart policy
Restart=on-failure
RestartSec=5

# Change killmode from "control-group" to "none" to let Docker remove
# work correctly.
KillMode=none

# Get CoreOS environmental variables
EnvironmentFile=/etc/environment

# Pre-start and Start
## Directives with "=-" are allowed to fail without consequence
ExecStartPre=-/usr/bin/docker kill dd-agent
ExecStartPre=-/usr/bin/docker rm dd-agent

# DATADOG_API_KEY is systemd env var, we are set it when provisioning new CoreOS machine
ExecStart=/usr/bin/docker run --name dd-agent -h %H \
					-v /var/run/docker.sock:/var/run/docker.sock -v /proc/:/host/proc/:ro \
					-v /sys/fs/cgroup/:/host/sys/fs/cgroup:ro -v /opt/dd-agent-conf.d:/conf.d:ro \
					-e COREOS_PRIVATE_IPV4=${COREOS_PRIVATE_IPV4} \
				    -e API_KEY=${DATADOG_API_KEY} gaiaadm/dd-agent:21-master

# Stop
ExecStop=/usr/bin/docker stop dd-agent

[Install]
WantedBy=multi-user.target

# deploy and run on all the nodes in the coreos cluster
[X-Fleet]
Global=true