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FROM ubuntu:latest ENV DEBIAN_FRONTEND noninteractive ENV NAGIOSADMIN_USER nagiosadmin ENV NAGIOSADMIN_PASS nagios ENV NAGIOS_USER_CONF_DIR /opt/nagios/userconf # Use closest ubuntu mirrors (prepend necessary lines to sources.list) ADD ubuntu-mirrors /tmp/ubuntu-mirrors RUN cat /tmp/ubuntu-mirrors /etc/apt/sources.list > /tmp/sources.list && mv /tmp/sources.list /etc/apt/sources.list # Install reqd deps RUN apt-get update RUN apt-get install -y \ nagios3 \ nagios-plugins \ nagios-nrpe-plugin \ supervisor \ curl # Configure apache and the nagios daemon to start on boot COPY supervisord.conf /etc/supervisor/conf.d/supervisord.conf # Set the username/password RUN mkdir -p /etc/my_init.d ADD /etc/my_init.d/ RUN chmod u+x /etc/my_init.d/ # Enable external commands RUN sed -i "s,check_external_commands=0,check_external_commands=1," /etc/nagios3/nagios.cfg # Allow www-data to write to the command file. RUN usermod -a -G nagios www-data # Hack around weird things that were meaning no permission. RUN rm -rf /var/lib/nagios3/rw RUN mkdir /var/lib/nagios3/rw && chown nagios:www-data /var/lib/nagios3/rw && chmod 750 /var/lib/nagios3/rw RUN mkfifo /var/lib/nagios3/rw/nagios.cmd && chown nagios:nagios /var/lib/nagios3/rw/nagios.cmd && chmod 660 /var/lib/nagios3/rw/nagios.cmd # Create user config dir in case nothing is mounted there RUN mkdir -p $NAGIOS_USER_CONF_DIR # Enable user config to be mounted into /opt/nagios/userconf RUN echo "cfg_dir=${NAGIOS_USER_CONF_DIR}" >> /etc/nagios3/nagios.cfg # Clean up RUN apt-get clean RUN rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* EXPOSE 80 CMD ["/usr/bin/supervisord"]
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