use ubi instead of centos (#157)

* use ubi instead of centos

* change base image registry

* avoid httpd php install

Author: mcanoy

images/openshift-applier/Dockerfile

@@ -1,21 +1,26 @@
-FROM centos:centos7
+FROM registry.access.redhat.com/ubi8/ubi
+
+ENV pip_packages "ansible"
 
 ENV OC_CLIENT_MIRROR https://mirror.openshift.com/pub/openshift-v3/clients/3.11.115/linux/oc.tar.gz
-ENV ANSIBLE_RPM https://releases.ansible.com/ansible/rpm/release/epel-7-x86_64/ansible-2.8.0-1.el7.ans.noarch.rpm
-ENV INSTALL_PKGS "git"
+ENV INSTALL_PKGS "git python3"
 ENV WORK_DIR /openshift-applier
 ENV HOME ${WORK_DIR}
 ENV USER_UID 1001
 
 USER root
 
-# Install Ansible and the 'oc' client
-RUN yum install -y $INSTALL_PKGS ;\
-    yum install -y $ANSIBLE_RPM ;\
+RUN yum -y install --disableplugin=subscription-manager $INSTALL_PKGS ;\
     curl $OC_CLIENT_MIRROR | tar -C /usr/local/bin/ -xzf - ;\
-    yum clean all ;\
+    yum --disableplugin=subscription-manager clean all ;\
     rm -rf /var/cache/yum
 
+# Install Ansible via Pip.
+RUN pip3 install ansible
+
+RUN mkdir -p /etc/ansible
+RUN echo -e '[local]\nlocalhost ansible_connection=local' > /etc/ansible/hosts
+
 COPY . ${WORK_DIR}
 COPY images/openshift-applier/root /
 RUN /usr/local/bin/user_setup_casl

images/openshift-applier/root/usr/local/bin/run

@@ -1,7 +1,8 @@
 #!/bin/bash
-DEFAULT_INV=$HOME/test/inventory
+DEFAULT_INV=/etc/ansible
 DEFAULT_PLAYBOOK=$HOME/playbooks/openshift-cluster-seed.yml
 
-cmd="/usr/bin/ansible-playbook -i ${INVENTORY_PATH:-$DEFAULT_INV} ${PLAYBOOK:-$DEFAULT_PLAYBOOK}"
+cmd="/usr/local/bin/ansible-playbook -i ${INVENTORY_PATH:-$DEFAULT_INV} ${PLAYBOOK:-$DEFAULT_PLAYBOOK}"
+echo "command: $cmd"
 
 exec ${cmd}