Move source to packer, add board spec.

packer/BUILD.bazel

@@ -1,18 +1,18 @@
 load("@io_bazel_rules_go//go:def.bzl", "go_binary", "go_library")
 
 go_library(
-    name = "ubuntu-board-gen_lib",
+    name = "packer_lib",
-    srcs = ["main.go"],
+    srcs = ["ubuntu-board-gen.go"],
-    importpath = "git.wntrmute.dev/kyle/bladerunner/src/cmd/ubuntu-board-gen",
+    importpath = "git.wntrmute.dev/kyle/bladerunner/packer",
     visibility = ["//visibility:private"],
     deps = [
-        "//src/packer",
+        "//packer/packerlib",
         "@ht_sr_git_kisom_goutils//die",
     ],
 )
 
 go_binary(
     name = "ubuntu-board-gen",
-    embed = [":ubuntu-board-gen_lib"],
+    embed = [":packer_lib"],
     visibility = ["//visibility:public"],
 )

packer/boards/cm4-cluster-ubuntu-22.04.2.json

@@ -0,0 +1,54 @@
+{
+    "variables": {},
+    "builders": [
+        {
+            "type": "arm",
+            "file_urls": [
+                "build/ubuntu-22.04.2-preinstalled-server-arm64+raspi.img.xz",
+                "https://cdimage.ubuntu.com/releases/22.04.2/release/ubuntu-22.04.2-preinstalled-server-arm64+raspi.img.xz"
+            ],
+            "file_checksum_url": "http://cdimage.ubuntu.com/releases/22.04.2/release/SHA256SUMS",
+            "file_checksum_type": "sha256",
+            "file_target_extension": "xz",
+            "file_unarchive_cmd": [
+                "xz",
+                "--decompress",
+                "$ARCHIVE_PATH"
+            ],
+            "image_build_method": "reuse",
+            "image_path": "build/cm4-cluster-ubuntu-22.04.2.img",
+            "image_size": "32G",
+            "image_type": "dos",
+            "image_partitions": [
+                {
+                    "name": "boot",
+                    "type": "c",
+                    "start_sector": 2048,
+                    "size": "256M",
+                    "mountpoint": "/boot/firmware"
+                },
+                {
+                    "name": "root",
+                    "type": "83",
+                    "start_sector": 526336,
+                    "size": "31.7G",
+                    "mountpoint": "/"
+                }
+            ],
+            "image_chroot_env": [
+                "PATH=/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin:/bin:/sbin"
+            ],
+            "qemu_binary_source_path": "/usr/bin/qemu-aarch64-static",
+            "qemu_binary_destination_path": "/usr/bin/qemu-aarch64-static"
+        }
+    ],
+    "provisioners": [
+        {
+            "scripts": [
+                "scripts/install-base.sh"
+            ],
+            "type": "shell"
+        }
+    ],
+    "post-processors": null
+}

packer/build-image.sh

@@ -11,7 +11,7 @@ errmsg () {
 
 preflight () {
     case "${IMAGE_TYPE}" in
-        ubuntu) PACKER_BUILD_FILE="boards/pi-cm4-ubuntu-22.04.2.json" ;;
+        ubuntu) PACKER_BUILD_FILE="boards/cm4-cluster-ubuntu-22.04.2.json" ;;
         raspbian) PACKER_BUILD_FILE="boards/raspberry-pi/raspios-lite-arm.json" ;;
         custom)
             if [ -z "${PACKER_BUILD_FILE}" ]

packer/packerlib/BUILD.bazel

@@ -1,7 +1,7 @@
 load("@io_bazel_rules_go//go:def.bzl", "go_library")
 
 go_library(
-    name = "packer",
+    name = "packerlib",
     srcs = [
         "board.go",
         "builder.go",
@@ -9,7 +9,7 @@ go_library(
         "provisioner.go",
         "ubuntu.go",
     ],
-    importpath = "git.wntrmute.dev/kyle/bladerunner/src/packer",
+    importpath = "git.wntrmute.dev/kyle/bladerunner/packer/packerlib",
     visibility = ["//visibility:public"],
     deps = ["@in_gopkg_yaml_v2//:yaml_v2"],
 )

packer/packerlib/board.go

@@ -1,4 +1,4 @@
-package packer
+package packerlib
 
 type Board struct {
 	Variables      map[string]string `json:"variables"`

packer/packerlib/builder.go

@@ -1,4 +1,4 @@
-package packer
+package packerlib
 
 // RootPartitionSizes describes how big a single root partition should
 // be given a standard 256M boot partition. This should cover standard

packer/packerlib/packer.go

@@ -0,0 +1,3 @@
+// Package packerlib contains utilities for interacting with Packer
+// in the context of building images for the computeblade cluster.
+package packerlib

packer/packerlib/provisioner.go

@@ -1,4 +1,4 @@
-package packer
+package packerlib
 
 type Provisioner map[string]interface{}
 

packer/packerlib/ubuntu.go

@@ -1,4 +1,4 @@
-package packer
+package packerlib
 
 import (
 	"bytes"
@@ -96,7 +96,7 @@ func (spec UbuntuBoardSpec) Board() Board {
 }
 
 func LoadUbuntuSpecs(path string) (specFile UbuntuBoardSpecFile, err error) {
-	log.Println("loading from", specFile)
+	log.Println("loading from", path)
 	data, err := ioutil.ReadFile(path)
 	if err != nil {
 		return

packer/scripts/install-base.sh

@@ -3,6 +3,7 @@
 set -euxo pipefail
 
 echo "==> Setting nameserver"
+rm /etc/resolv.conf
 echo 'nameserver 8.8.8.8' > /etc/resolv.conf
 
 echo "==> installing base updates"

packer/ubuntu-board-gen.go

@@ -4,7 +4,7 @@ import (
 	"flag"
 
 	"git.sr.ht/~kisom/goutils/die"
-	"git.wntrmute.dev/kyle/bladerunner/src/packer"
+	packer "git.wntrmute.dev/kyle/bladerunner/packer/packerlib"
 )
 
 func main() {

src/packer/packer.go

@@ -1,3 +0,0 @@
-// Package packer contains utilities for interacting with Packer
-// in the context of building images for the computeblade cluster.
-package packer