Move Jenkins pipeline from Jenkins to repository

Jenkinsfile

@@ -0,0 +1,93 @@
+def pys = [
+    [name: 'Python 3.6', docker:'python:3.6-stretch', tox:'py36,flake8', main: true],
+    [name: 'Python 3.5', docker:'python:3.5-jessie', tox:'py35', main: false],
+    [name: 'Python 2.7', docker:'python:2.7-stretch', tox:'py27', main: false]
+]
+
+properties([
+    durabilityHint('PERFORMANCE_OPTIMIZED'),
+    buildDiscarder(logRotator(numToKeepStr: '5')),
+])
+
+Map tasks = [failFast: true]
+
+pys.each { py ->
+    tasks[py.name] = {
+        node {
+            def image
+
+            stage("Prepare docker $py.name") {
+                dir('dockerbuild') {
+                    deleteDir()
+                    buildDockerfile(py.docker)
+                    image = docker.build("dosage-$py.docker")
+                }
+            }
+
+            stage("Build $py.name") {
+                image.inside {
+                    checkout scm
+                    sh '''
+                        git clean -fdx
+                        git fetch --tags
+                    '''
+
+                    try {
+                        sh "tox -e $py.tox"
+                    } catch (err) {
+                        echo "tox failed: ${err}"
+                        currentBuild.result = 'UNSTABLE'
+                    }
+
+                    if (py.main) {
+                        sh """
+                            python setup.py sdist bdist_wheel
+                        """
+                    }
+                }
+            }
+
+            stage ("Archive $py.name") {
+                archiveArtifacts artifacts: '.tox/dist/*.zip', fingerprint: true
+                if (py.main) {
+                    archiveArtifacts artifacts: 'dist/*', fingerprint: true
+                    def buildVer = findFiles(glob: 'dist/*.tar.gz')[0].name.replaceFirst(/\.tar\.gz$/, '')
+                    currentBuild.description = buildVer
+
+                    cobertura autoUpdateHealth: false,
+                        autoUpdateStability: false,
+                        coberturaReportFile: '.tox/cov-*.xml',
+                        failUnhealthy: false,
+                        failUnstable: false,
+                        maxNumberOfBuilds: 0,
+                        onlyStable: false,
+                        zoomCoverageChart: false
+                    warnings consoleParsers: [[parserName: 'flake8']]
+                }
+                junit '.tox/junit-*.xml'
+            }
+        }
+    }
+}
+
+timestamps {
+    ansiColor('xterm') {
+        parallel(tasks)
+    }
+}
+
+def buildDockerfile(image) {
+    def uid = sh(returnStdout: true, script: 'id -u').trim()
+    def toxInst = 'apt-get update && apt-get -y install tox'
+    if (image.contains('jessie')) {
+        toxInst = 'pip install tox' // Dirty!
+    }
+
+    writeFile file: 'Dockerfile', text: """
+    FROM $image
+    RUN $toxInst
+    RUN useradd -mu $uid dockerjenkins
+    """
+}
+
+// vim: set ft=groovy: