Dockerfile.Centos8

FROM centos:8.2.2004
ARG ANSIBLE_VERSION=2.9.4
ENV PATH "PATH=$PATH:/root/.local/bin"

# Metadata Params
LABEL maintainer="Adekoya Ade <adekoyadapo@gmail.com>"\
      org.label-schema.url="https://github.com/adekoyadapo/iac-docker-image/blob/master/README.md" \
      org.label-schema.version=${ANSIBLE_VERSION} \
      org.label-schema.vcs-url="https://github.com/adekoyadapo/iac-docker-image.git" \
      org.label-schema.docker.dockerfile="/Dockerfile.Centos8" \
      org.label-schema.description="Ansible in docker image for config management" \
      org.label-schema.schema-version="1.0"

# Environment and pip requirements
ENV container=docker
ENV pip_packages "ansible==${ANSIBLE_VERSION} pyvmomi==7.0 docker==4.2.2 docker-compose==1.26.2 boto3==1.14.16 boto==2.49.0 cryptography==2.9.2 ansible[azure] apache-libcloud==3.1.0"

# Install systemd -- See https://hub.docker.com/_/centos/
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/*;

# Install requirements.
RUN yum -y install rpm centos-release \
 && yum -y update \
 && yum -y install \
      epel-release \
      initscripts \
      sudo \
      which \
      hostname \
      python3 \
      openssl \
      openssh \
      openssh-clients \
      python3-pip \
      git \
 && yum clean all

# Install Ansible via Pip. Disable requiretty & Install Ansible inventory file.

RUN pip3 install --user $pip_packages \
    && sed -i -e 's/^\(Defaults\s*requiretty\)/#--- \1/'  /etc/sudoers \
    && mkdir -p /etc/ansible \
    && echo -e '[local]\nlocalhost ansible_connection=local' > /etc/ansible/hosts

CMD [ "ansible", "--version" ]