From 7a230d53268b106dce2cadb1f1cbbcdb85242fa2 Mon Sep 17 00:00:00 2001
From: "Dustin C. Hatch" <dustin@hatch.name>
Date: Tue, 15 Mar 2022 15:42:46 -0500
Subject: [PATCH] ci: Begin CI pipeline

---
 Makefile              | 30 +++++++++++++++++
 ci/Dockerfile         | 19 +++++++++++
 ci/Jenkinsfile        | 75 +++++++++++++++++++++++++++++++++++++++++++
 ci/build-initramfs.sh |  3 ++
 ci/build-rootfs.sh    |  3 ++
 ci/prepare.sh         |  1 +
 ci/publish.sh         |  3 ++
 7 files changed, 134 insertions(+)
 create mode 100644 Makefile
 create mode 100644 ci/Dockerfile
 create mode 100644 ci/Jenkinsfile
 create mode 100644 ci/build-initramfs.sh
 create mode 100644 ci/build-rootfs.sh
 create mode 100644 ci/prepare.sh
 create mode 100644 ci/publish.sh

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..179a115
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,30 @@
+BUILDROOT_SRC ?= ~/src/buildroot
+
+.PHONY: all
+all: initramfs rootfs
+
+.PHONY: rootfs
+rootfs: _build/rootfs/.config
+	$(MAKE) -C _build/rootfs -j $(shell nproc)
+
+.PHONY: initramfs
+initramfs: _build/initramfs/.config
+	$(MAKE) -C _build/initramfs -j $(shell nproc)
+
+.PHONY: publish
+publish:
+	rsync -rtliO \
+		_build/rootfs/images/rpi-firmware/ \
+		_build/rootfs/images/Image \
+		_build/rootfs/images/*.dtb \
+		_build/initramfs/images/rootfs.cpio.lz4 \
+		pxe0.pyrocufflink.blue:/var/lib/tftpboot/jenkinsagent-aarch64/
+	rsync -P --no-W \
+		_build/rootfs/images/rootfs.squashfs \
+		pxe0.pyrocufflink.blue:/var/lib/nbd/jenkinsagent-aarch64.squashfs
+
+_build/rootfs/.config:
+	$(MAKE) -C $(BUILDROOT_SRC) O=${PWD}/_build/rootfs BR2_EXTERNAL=${PWD} jenkinsagent_defconfig
+
+_build/initramfs/.config:
+	$(MAKE) -C $(BUILDROOT_SRC) O=${PWD}/_build/initramfs BR2_EXTERNAL=${PWD} jenkinsagent_initramfs_defconfig
diff --git a/ci/Dockerfile b/ci/Dockerfile
new file mode 100644
index 0000000..e4e1144
--- /dev/null
+++ b/ci/Dockerfile
@@ -0,0 +1,19 @@
+FROM registry.fedoraproject.org/fedora:30
+
+RUN dnf install -y \
+    bc \
+    bzip2 \
+    cpio \
+    diffutils \
+    g++ \
+    gcc \
+    make \
+    ncurses-devel \
+    openssh-clients \
+    patch \
+    perl-ExtUtils-MakeMaker \
+    perl-Thread-Queue \
+    rsync \
+    wget \
+    which \
+    && dnf clean all
diff --git a/ci/Jenkinsfile b/ci/Jenkinsfile
new file mode 100644
index 0000000..0fc275d
--- /dev/null
+++ b/ci/Jenkinsfile
@@ -0,0 +1,75 @@
+pipeline {
+    agent {
+        dockerfile {
+            dir 'ci'
+            args '-v /etc/ssh/ssh_known_hosts:/etc/ssh/ssh_known_hosts'
+        }
+    }
+
+    options {
+        disableConcurrentBuilds()
+    }
+
+    triggers {
+        pollSCM ''
+    }
+
+    parameters {
+        booleanParam \
+            name: 'Clean',
+            description: 'Clean the workspace and perform a full rebuild'
+    }
+
+    environment {
+        BUILDROOT_SRC = "${env.WORKSPACE}/buildroot"
+    }
+
+    stages {
+        stage('Prepare') {
+            steps {
+                script {
+                    if (params.Clean) {
+                        sh 'rm -rf _build'
+                    }
+                }
+                checkout poll: false, scm: [
+                    $class: 'GitSCM',
+                    branches: [[name: '2022.02.x']],
+                    doGenerateSubmoduleConfigurations: false,
+                    userRemoteConfigs: [[url: 'git://git.buildroot.net/buildroot']],
+                    extensions: [
+                        [
+                            $class: 'RelativeTargetDirectory',
+                            relativeTargetDir: 'buildroot',
+                        ],
+                    ],
+                ]
+                sh '. ci/prepare.sh'
+            }
+        }
+
+        stage('Build') {
+            parallel {
+                stage('Build Initramfs') {
+                    steps {
+                        sh '. ci/build-initramfs.sh'
+                    }
+                }
+
+                stage('Build Rootfs') {
+                    steps {
+                        sh '. ci/build-rootfs.sh'
+                    }
+                }
+            }
+        }
+
+        stage('Publish') {
+            steps {
+                sshagent(['jenkins-pxe']) {
+                    sh '. ci/publish.sh'
+                }
+            }
+        }
+    }
+}
diff --git a/ci/build-initramfs.sh b/ci/build-initramfs.sh
new file mode 100644
index 0000000..ab33f07
--- /dev/null
+++ b/ci/build-initramfs.sh
@@ -0,0 +1,3 @@
+#!/bin/sh
+
+make initramfs
diff --git a/ci/build-rootfs.sh b/ci/build-rootfs.sh
new file mode 100644
index 0000000..b05793f
--- /dev/null
+++ b/ci/build-rootfs.sh
@@ -0,0 +1,3 @@
+#!/bin/sh
+
+make rootfs
diff --git a/ci/prepare.sh b/ci/prepare.sh
new file mode 100644
index 0000000..1a24852
--- /dev/null
+++ b/ci/prepare.sh
@@ -0,0 +1 @@
+#!/bin/sh
diff --git a/ci/publish.sh b/ci/publish.sh
new file mode 100644
index 0000000..4294369
--- /dev/null
+++ b/ci/publish.sh
@@ -0,0 +1,3 @@
+#!/bin/sh
+
+make publish