ci: Begin CI Pipeline

For now, we're only building aarch64 binaries.  The screens I intend to
deploy this on are both Raspberry Pis, and I don't yet have a way to
produce multi-arch container images to provide the build environment.

ci/Jenkinsfile

@@ -0,0 +1,59 @@
+// vim: set sw=4 ts=4 sts=4 et :
+pipeline {
+    agent none
+
+    stages {
+        stage('Build') {
+            parallel {
+/*
+                stage('Build x86_64') {
+                    agent {
+                        kubernetes {
+                            containerTemplate {
+                                name 'build'
+                                image 'git.pyrocufflink.net/containerimages/build/browserhud'
+                                command 'cat'
+                                ttyEnabled true
+                            }
+                            nodeSelector 'kubernetes.io/arch=amd64'
+                            defaultContainer 'build'
+                        }
+                    }
+                    steps {
+                        sh '. ci/build.sh'
+                    }
+                    post {
+                        success {
+                            archiveArtifacts 'x86_64/mqttmarionette'
+                        }
+                    }
+                }
+*/
+
+                stage('Build aarch64') {
+                    agent {
+                        kubernetes {
+                            containerTemplate {
+                                name 'build'
+                                image 'git.pyrocufflink.net/containerimages/build/browserhud'
+                                command 'cat'
+                                ttyEnabled true
+                            }
+                            nodeSelector 'kubernetes.io/arch=arm64'
+                            defaultContainer 'build'
+                        }
+                    }
+                    steps {
+                        sh '. ci/build.sh'
+                    }
+                    post {
+                        success {
+                            archiveArtifacts 'aarch64/mqttmarionette'
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+}

ci/build.sh

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+#!/bin/sh
+
+cargo build --release
+
+ln -sr target/release $(uname -m)