FROM centos:7

RUN yum install -y openssh-server openssh-clients java-11-openjdk-devel sudo wget python3-requests && \
    yum groupinstall -y "Development Tools" && \
    yum install -y ansible python36 && \
    yum clean all

RUN useradd -m buildslave \
 && mkdir /home/buildslave/.ssh \
 && chown buildslave:buildslave /home/buildslave/.ssh \
 && chmod 700 /home/buildslave/.ssh \
 && echo 'buildslave ALL = NOPASSWD: ALL' > /etc/sudoers.d/jenkins \
 && chmod 0440 /etc/sudoers.d/jenkins \
 && /usr/bin/ssh-keygen -A \
 && rm -rf /run/nologin

EXPOSE 22
CMD ["/usr/sbin/sshd", "-D"]