Fixes #1198 : Fix CI setup of fabric8 maven plugin

Add nsenter dependency

.travis.yml

@@ -1,13 +1,38 @@
 # We use Travis for the following tasks:
+# - Download and install `kubectl`, `oc` CLI client tools
+# - Configure docker daemon to run insecure registry for OpenShift cluster
+# - Execute `oc cluster up` with different environments (metrics profile) : v3.6.0, v3.6.1, v3.7.0
 # - Updating the Sonarqube stats when not on a PR
 # - Update Codecov (codecov.io) stats for every build
 # - Regenerate the docs when commit on master (but not for a PR)
+
+matrix:
+  include:
+    - env: OC_VERSION="v3.6.1" COMMIT_ID="008f2d5"
+    - env: OC_VERSION="v3.7.2" COMMIT_ID="282e43f"
+
+sudo: required
+dist: trusty
+group: deprecated-2017Q4
+
 language: java
 jdk:
   - oraclejdk8
+
+services:
+  - docker
+
+cache:
+  directories:
+    - $HOME/.m2
+
+install: ./rt/src/main/resources/scripts/prepare-test-environment.sh
+
+before_script: mvn clean install -DskipTests
+
 script:
-  # Profile jacoco switches on jacoco coverages
-  - mvn test -B -Pjacoco
+  # Profile jacoco switches on jacoco coverages, regession-test for running regreesion tests on fabric8/OpenShift.io quickstart projects
+  - mvn -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn -B install -pl rt -P regression-test
    # Only build docs when commited on master and not a pull request.
    # See https://docs.travis-ci.com/user/environment-variables/#Default-Environment-Variables
    # for more details about Travis default vars

README.md

@@ -1,7 +1,6 @@
 ## fabric8-maven-plugin
 
 [![Travis](https://secure.travis-ci.org/fabric8io/fabric8-maven-plugin.png)](http://travis-ci.org/fabric8io/fabric8-maven-plugin)
-[![Circle CI](https://circleci.com/gh/fabric8io/fabric8-maven-plugin/tree/master.svg?style=shield)](https://circleci.com/gh/fabric8io/fabric8-maven-plugin/tree/master)
 [![Coverage](https://sonarcloud.io/api/project_badges/measure?project=io.fabric8%3Afabric8-maven-plugin-build&metric=coverage)](https://sonarcloud.io/dashboard?id=io.fabric8%3Afabric8-maven-plugin-build)
 [![Technical Debt](https://sonarcloud.io/api/project_badges/measure?project=io.fabric8%3Afabric8-maven-plugin-build&metric=sqale_index)](https://sonarcloud.io/dashboard?id=io.fabric8%3Afabric8-maven-plugin-build)
 [![Dependency Status](https://dependencyci.com/github/fabric8io/fabric8-maven-plugin/badge)](https://dependencyci.com/github/fabric8io/fabric8-maven-plugin)

rt/src/main/resources/scripts/prepare-test-environment.sh

@@ -0,0 +1,60 @@
+#!/bin/sh
+
+#install kubernetes and openshift CLI tools
+kube_version=$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)
+curl -LO https://storage.googleapis.com/kubernetes-release/release/${kube_version}/bin/linux/amd64/kubectl && \
+    chmod +x kubectl && sudo mv kubectl /usr/local/bin/
+echo "Installed kubectl CLI tool"
+
+
+echo "Installing nsenter"
+if ! which nsenter > /dev/null; then
+  echo "Did not find nsenter. Installing it."
+  NSENTER_BUILD_DIR=$(mktemp -d /tmp/nsenter-build-XXXXXX)
+  pushd ${NSENTER_BUILD_DIR}
+  curl https://www.kernel.org/pub/linux/utils/util-linux/v2.31/util-linux-2.31.tar.gz | tar -zxf-
+  cd util-linux-2.31
+  ./configure --without-ncurses
+  make nsenter
+  sudo cp nsenter /usr/local/bin
+  rm -rf "${NSENTER_BUILD_DIR}"
+  popd
+fi
+if ! which systemd-run > /dev/null; then
+  echo "Did not find systemd-run. Hacking it to work around Kubernetes calling it."
+  echo '#!/bin/bash
+  echo "all arguments: "$@
+  while [[ $# -gt 0 ]]
+  do
+    key="$1"
+    if [[ "${key}" != "--" ]]; then
+      shift
+      continue
+    fi
+    shift
+    break
+  done
+  echo "remaining args: "$@
+  exec $@' | sudo tee /usr/bin/systemd-run >/dev/null
+  sudo chmod +x /usr/bin/systemd-run
+fi
+
+oc_tool_version="openshift-origin-client-tools-${OC_VERSION}-${COMMIT_ID}-linux-64bit"
+curl -LO https://github.com/openshift/origin/releases/download/${OC_VERSION}/${oc_tool_version}.tar.gz && \
+    tar -xvzf ${oc_tool_version}.tar.gz && chmod +x $PWD/${oc_tool_version}/oc && sudo mv $PWD/${oc_tool_version}/oc /usr/local/bin/ && \
+    rm -rf ${oc_tool_version}.tar.gz
+echo "Installed OC CLI tool"
+
+#add insecure docker registry
+tmp=`mktemp`
+echo 'DOCKER_OPTS="$DOCKER_OPTS --insecure-registry 172.30.0.0/16"' > ${tmp}
+sudo mv ${tmp} /etc/default/docker
+sudo mount --make-shared /
+sudo service docker restart
+echo "Configured Docker daemon with insecure-registry"
+
+#make OpenShift up & running
+oc cluster up --version=${OC_VERSION}
+sleep 10
+oc login -u developer -p developer
+echo "Configured OpenShift cluster : ${OC_VERSION}"