[HWORKS-1555] Add Jenkins pipeline for building sklearnserver img (#29)

Jenkinsfile

@@ -0,0 +1,39 @@
+@Library("jenkins-library@main")
+
+import com.logicalclocks.jenkins.k8s.ImageBuilder
+
+properties([
+  parameters([
+    choice(name: 'image', choices: ['all', 'sklearnserver'],  description: 'Which docker image to build'),
+    choice(name: 'branch', choices: ['', 'master', 'release-0.11.2', 'release-0.14.0'],  description: 'Which branch to build'),
+  ])
+])
+
+node("local") {
+    stage('Clone repository') {
+      if (params.branch == '' || params.branch == 'master'){
+        checkout scm
+      } else {
+        sshagent (credentials: ['id_rsa']) {
+          sh """
+            git fetch --all
+            git checkout ${params.branch}
+            git pull
+          """
+        }
+      }
+    }
+
+    stage('Build and push image(s)') {
+        version = readFile "${env.WORKSPACE}/VERSION"
+        withEnv(["VERSION=${version.trim()}"]) {
+
+            if(params.image == 'all' || params.image == 'sklearnserver'){
+
+                def builder = new ImageBuilder(this)
+                m = readFile "${env.WORKSPACE}/python/sklearn-build-manifest.json"
+                builder.run(m)
+            }
+        }
+    }
+}

VERSION

@@ -0,0 +1 @@
+4.1.0

python/sklearn-build-manifest.json

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+[
+  {
+    "name": "hopsworks/sklearnserver",
+    "version": "env:VERSION",
+    "dockerFile": "python/sklearn.Dockerfile"
+  }
+]