Dockerfile

FROM debian:jessie

MAINTAINER Datadog <package@datadoghq.com>

ENV DOCKER_DD_AGENT=yes \
    AGENT_VERSION=1:5.13.2-1

# Install the Agent
RUN echo "deb http://apt.datadoghq.com/ stable main" > /etc/apt/sources.list.d/datadog.list \
 && apt-key adv --keyserver keyserver.ubuntu.com --recv-keys C7A7DA52 \
 && apt-get update \
 && apt-get install --no-install-recommends -y datadog-agent="${AGENT_VERSION}" \
 && apt-get install --no-install-recommends -y ca-certificates \
 && apt-get clean \
 && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*

# Configure the Agent
# 1. Listen to statsd (8125) and traces (8126) from other containers
# 2. Turn syslog off
# 3. Remove dd-agent user from supervisor configuration
# 4. Remove dd-agent user from init.d configuration
# 5. Fix permission on /etc/init.d/datadog-agent
RUN mv /etc/dd-agent/datadog.conf.example /etc/dd-agent/datadog.conf \
 && sed -i -e"s/^.*non_local_traffic:.*$/non_local_traffic: yes/" /etc/dd-agent/datadog.conf \
 && sed -i -e"s/^.*log_to_syslog:.*$/log_to_syslog: no/" /etc/dd-agent/datadog.conf \
 && sed -i "/user=dd-agent/d" /etc/dd-agent/supervisor.conf \
 && sed -i 's/AGENTUSER="dd-agent"/AGENTUSER="root"/g' /etc/init.d/datadog-agent \
 && rm /etc/dd-agent/conf.d/network.yaml.default \
 || chmod +x /etc/init.d/datadog-agent

# Add Docker check
COPY conf.d/docker_daemon.yaml /etc/dd-agent/conf.d/docker_daemon.yaml

COPY entrypoint.sh /entrypoint.sh

# Extra conf.d and checks.d
VOLUME ["/conf.d", "/checks.d"]

# Expose DogStatsD, supervisord and trace-agent ports
EXPOSE 8125/udp 9001/tcp 8126/tcp

# Healthcheck
HEALTHCHECK --interval=5m --timeout=3s --retries=1 \
  CMD test $(/opt/datadog-agent/embedded/bin/python /opt/datadog-agent/bin/supervisorctl \
      -c /etc/dd-agent/supervisor.conf status | awk '{print $2}' | egrep -v 'RUNNING|EXITED' | wc -l) \
      -eq 0 || exit 1

ENTRYPOINT ["/entrypoint.sh"]
CMD ["supervisord", "-n", "-c", "/etc/dd-agent/supervisor.conf"]