add cico script and rhel dockerfile

Dockerfile.rhel

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+FROM quay.io/openshiftio/rhel-base-httpd:latest
+COPY /plugins /var/www/html/plugins

cico_build.sh

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+#!/bin/bash
+
+# Output command before executing
+set -x
+
+# Exit on error
+set -e
+
+# Source environment variables of the jenkins slave
+# that might interest this worker.
+function load_jenkins_vars() {
+  if [ -e "jenkins-env.json" ]; then
+    eval "$(./env-toolkit load -f jenkins-env.json \
+            DEVSHIFT_TAG_LEN \
+            QUAY_USERNAME \
+            QUAY_PASSWORD \
+            JENKINS_URL \
+            GIT_BRANCH \
+            GIT_COMMIT \
+            BUILD_NUMBER \
+            ghprbSourceBranch \
+            ghprbActualCommit \
+            BUILD_URL \
+            ghprbPullId)"
+  fi
+}
+
+function install_deps() {
+  # We need to disable selinux for now, XXX
+  /usr/sbin/setenforce 0  || true
+
+  # Get all the deps in
+  yum -y install \
+    docker \
+    git
+
+  service docker start
+
+  echo 'CICO: Dependencies installed'
+}
+
+function tag_push() {
+  local TARGET=$1
+  docker tag che-plugin-registry $TARGET
+  docker push $TARGET
+}
+
+function deploy() {
+  TARGET=${TARGET:-"centos"}
+  REGISTRY="quay.io"
+
+  if [ $TARGET == "rhel" ]; then
+    DOCKERFILE="Dockerfile.rhel"
+    IMAGE="rhel-che-plugin-registry"
+  else
+    DOCKERFILE="Dockerfile"
+    IMAGE="che-plugin-registry"
+  fi
+
+  if [ -n "${QUAY_USERNAME}" -a -n "${QUAY_PASSWORD}" ]; then
+    docker login -u ${QUAY_USERNAME} -p ${QUAY_PASSWORD} ${REGISTRY}
+  else
+    echo "Could not login, missing credentials for the registry"
+  fi
+
+  # Let's deploy
+  docker build -t ${IMAGE} -f ${DOCKERFILE} .
+
+  TAG=$(echo $GIT_COMMIT | cut -c1-${DEVSHIFT_TAG_LEN})
+
+  tag_push ${REGISTRY}/openshiftio/$IMAGE:$TAG
+  tag_push ${REGISTRY}/openshiftio/$IMAGE:latest
+  echo 'CICO: Image pushed, ready to update deployed app'
+}
+
+function cico_setup() {
+  load_jenkins_vars;
+  install_deps;
+}
+cico_setup
+deploy