Add docker instances for sl6 and sl7

Author: dabercro

.gitignore

@@ -2,6 +2,7 @@
 *~
 build/*
 test/*/*
+!test/sl?/Dockerfile
 test/*.cache.json
 dist/*
 cmstoolbox.egg-info/*

Jenkinsfile

@@ -1,22 +1,32 @@
-pipeline {
-  agent {
-    docker {
-      image 'python:2.7-slim'
-      args '-u root:root'
-    }
-  }
+def run(os) {
+  return {
+
+    docker.build("opsspace-${os}:${env.BUILD_ID}", "test/${os}").inside('-u root:root') {
 
-  stages {
-    stage ('Installation') {
-      steps {
-        sh 'python setup.py install'
+      stage("${os}: Copy Source") {
+        sh """
+           test ! -d ${os} || rm -rf ${os}
+           mkdir ${os}
+           cp --parents `git ls-files` ${os}
+           """
+      }
+
+      stage("${os}: Installation") {
+        sh "cd ${os}; python setup.py install"
       }
-    }
 
-    stage ('Unit Tests') {
-      steps {
-        sh 'opsspace-test'
+      stage("${os}: Unit Tests") {
+        sh "cd ${os}; opsspace-test"
       }
     }
   }
 }
+
+def osList = ['sl6', 'sl7']
+
+node {
+  checkout scm
+  parallel osList.collectEntries{
+    ["${it}": run(it)]
+  }
+}

test/requirements26.txt

@@ -1,3 +1,4 @@
 astroid<1.3
 pylint<1.4
 testfixtures<6
+setuptools==36.8.0

test/sl6/Dockerfile

@@ -0,0 +1,10 @@
+FROM sl:6
+
+RUN yum -y install https://dl.fedoraproject.org/pub/epel/epel-release-latest-6.noarch.rpm
+
+RUN yum -y install \
+    python-pip \
+    python-devel \
+    git perl
+
+RUN pip install -U 'pip==9.0.1'

test/sl7/Dockerfile

@@ -0,0 +1,10 @@
+FROM sl:7
+
+RUN yum -y install https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
+
+RUN yum -y install \
+    python-pip \
+    python-devel \
+    git perl
+
+RUN pip install -U 'pip==18.0'