# Dockerfile to build nagios4.4.6
FROM oraclelinux:7

# https://hub.docker.com/_/centos/
# Need to remove some services which might cause issues.
RUN (cd /lib/systemd/system/sysinit.target.wants/; \
for i in *; do [ $i == systemd-tmpfiles-setup.service ] || rm -f $i; done); \
rm -f /lib/systemd/system/multi-user.target.wants/*;\
rm -f /etc/systemd/system/*.wants/*;\
rm -f /lib/systemd/system/local-fs.target.wants/*; \
rm -f /lib/systemd/system/sockets.target.wants/*udev*; \
rm -f /lib/systemd/system/sockets.target.wants/*initctl*; \
rm -f /lib/systemd/system/basic.target.wants/*;\
rm -f /lib/systemd/system/anaconda.target.wants/*;

# Volime needed to run container with systemd
VOLUME [ "/sys/fs/cgroup" ]

# install Nagios, apache, sudo (need for nagios user)
# here we need web proxy
RUN export http_proxy=http://your-proxy:80 && \
    export https_proxy=http://your-proxy:80 && \
    rpm -Uvh https://repo.nagios.com/nagios/7/nagios-repo-7-4.el7.noarch.rpm && \
    yum install yum-utils -y && \
    yum-config-manager --enable ol7_optional_latest && \
    yum -y install \
    nagiosxi httpd sed sudo
# Nagios configuration
COPY *.cfg /usr/local/nagios/etc/
COPY htpasswd.users /usr/local/nagiosxi/etc/htpasswd.users
RUN echo "nagios  ALL=(ALL)       NOPASSWD: ALL" >> /etc/sudoers && \
    systemctl enable httpd && systemctl enable nagios

EXPOSE 80
CMD ["/usr/sbin/init"]