FROM docker.io/library/centos:7 as base

RUN yum install -y epel-release && \
	yum install -y slurm && \
	yum clean all && rm -rf /var/cache/yum

RUN	yum install -y less iproute bind-utils nmap-ncat net-tools && \
	yum clean all && rm -rf /var/cache/yum

COPY entrypoint.sh /usr/local/sbin/entrypoint.sh

RUN chown root:root /usr/local/sbin/entrypoint.sh && \
	chmod 755 /usr/local/sbin/entrypoint.sh

ENTRYPOINT [ "/usr/local/sbin/entrypoint.sh" ]

ARG slurmuser=slurm
ENV slurmuser=${slurmuser}

RUN useradd -d /var/lib/slurm -m --no-log-init --system $slurmuser &&\
	slurm-setuser -u $slurmuser -g $slurmuser -y

RUN	yum install -y slurm-slurmctld && \
	yum clean all && rm -rf /var/cache/yum

ENV SLURMCTLD_LOG_PATH="/var/log/slurm/slurmctld.log"
ENV SLURMD_LOG_PATH="/var/log/slurm/slurmd.log"
ENV SLURM_SCHED_LOG_PATH="/var/log/slurm/slurmsched.log"

CMD bash -c 'cat <({ su -s /bin/sh -c "munged -F" munge & \
	su -s /bin/sh -c "slurmctld -D" ${slurmuser} 2>/dev/null 1>/dev/null & \
	tail --retry --pid $! -f ${SLURMCTLD_LOG_PATH} ${SLURM_SCHED_LOG_PATH} & })'