9 DEFAULT_EXCLUDE = %w[/proc/* /sys/* /dev/mqueue /dev/hugepages /run/* /var/lib/os-prober/mount /swap /dev/shm/* /var/lib/lxcfs/*]
10 attr_accessor :path, :size, :exclude, :size, :srcpath, :fs_features, :device, :fs_uuid
11 def initialize(path: '/', size: 8, exclude: DEFAULT_EXCLUDE, srcpath: nil, fs_features: nil)
14 @exclude = (DEFAULT_EXCLUDE + [*exclude]).uniq
15 @srcpath = srcpath || path
16 @fs_features = fs_features
23 attr_accessor :name, :dirs, :src_host, :img_path_base, :run_cmds
27 def initialize(name, dirs, src_host: nil, run_cmds: nil)
30 @src_host = src_host || name
32 @img_path_base = "#{name}_#{Time.now.strftime '%FT%T%z'}"
36 "#{img_path_base}_#{idx}.img"
40 dirs.each_with_index do |di, idx|
41 _create_disk imgpath(idx), di, idx != 0
45 def _create_disk path, di, use_gpt = false
47 raise "Disk image #{path} is already exists!" if File.exists? path
48 puts "Creating disk image #{path} (#{'%5.2f' % size_gb.to_f} GiB)..."
49 File.open(path, "w") do |f|
50 f.truncate(size_gb * GiB)
52 system("parted", "-s", path, "mklabel", use_gpt ? 'gpt' : 'msdos') or raise "Failed to create partition label"
53 system("parted", "-s", path, "mkpart", "primary", "1MiB", "#{size_gb * 1024 - 1}MiB") or raise "Failed to create partition"
55 system("parted", "-s", path, "set", "1", "boot", "on") or raise "Failed to set bios boot partition"
57 puts "Image partition has been created."
60 def with_loopdev &block
63 dirs.each_with_index do |di, idx|
64 system("kpartx", "-as", imgpath(idx)) or raise "Failed to map loop device"
65 di.device = "/dev/mapper/" + `kpartx -l #{Shellwords.escape imgpath(idx)}`.split("\n").first[/loop\d+p\d+/]
70 dirs.each_with_index do |di, idx|
71 system "kpartx", "-d", imgpath(idx), err: "/dev/null"
78 with_loopdev do |devices|
79 dirs.each_with_index do |di, index|
81 puts "Creating filesystem on #{dev}..."
82 cmd = %w(mkfs.ext4 -q)
85 cmd << '-O' << di.fs_features
88 system(*cmd) or raise "Failed to create file system on #{dev}"
89 system "e2label", dev, di.path == '/' ? 'ROOT' : di.path[1..-1].tr('/', '-')
90 di.fs_uuid = `blkid -o value -s UUID #{di.device}`.chomp("\n")
96 with_loopdev do |devices|
97 devices.each_with_index do |dev, idx|
99 mount_point = "/mnt/ci-#{$$}-#{name}-#{idx}"
100 system("mkdir", "-p", mount_point)
102 system("mount", dev, mount_point) or raise "Failed to mount file system #{dev} on #{mount_point}"
103 puts "Copying #{src_host}:#{di.srcpath} to #{dev}..."
104 unless system("rsync", "-azHSAX", "--numeric-ids", "--info=progress2", "#{src_host}:#{di.srcpath}/", "#{mount_point}/", *((["--exclude"] * di.exclude.size).zip(di.exclude).flatten))
105 warn "rsync exit with error, file transfer may not be completed."
108 system("umount", mount_point)
109 File.directory?(mount_point) and
110 Dir.rmdir mount_point
117 puts "Prepareing AWS cloud boot environment..."
118 with_rootfs do |dir, devices|
119 system({'DEBIAN_FRONTEND' => 'noninteractive'}, "chroot", dir, *%w(sudo dpkg --remove td-agent smartmontools snmpd lm-sensors arrayprobe megacli megacli-check-change megaclisas megaclisas-status fancontrol))
121 pkgs = %w(apt-transport-https locales-all ntp rsync python-apt git subversion less lv cloud-init tmux screen)
122 if File.read("#{dir}/etc/debian_version").to_f >= 9.0
123 pkgs << 'cloud-guest-utils'
126 system("chroot", dir, "apt-get", "-qy", "update")
127 system({'DEBIAN_FRONTEND' => 'noninteractive'}, "chroot", dir, "apt-get", "-y", "--allow-unauthenticated", "install", *pkgs)
129 if File.exists? "#{dir}//var/spool/nullmailer/queue"
130 puts "Remove nullmailer queue"
131 system("chroot", dir, "find", "/var/spool/nullmailer/queue", "-type", "f", "-name", '[0-9]*.[0-9]*', "-delete")
134 unless system("chroot", dir, *%w(grep -rq cdn-aws.deb.debian.org /etc/apt/sources.list /etc/apt/sources.list.d))
135 puts "Rewrite apt sources list for AWS CDN"
136 rel = `chroot #{dir} lsb_release -c -s`.chomp
138 "deb http://cdn-aws.deb.debian.org/debian #{rel} main main contrib non-free",
139 "deb http://cdn-aws.deb.debian.org/debian #{rel}-updates main main contrib non-free",
141 if File.exists? "#{dir}/etc/apt/sources.list"
142 s << File.read("#{dir}/etc/apt/sources.list")
144 File.write "#{dir}/etc/apt/sources.list", s.join("\n")
147 unless File.read("#{dir}/etc/ntp.conf").include? "169.254.169.123"
148 puts "Rewrite ntp.conf"
149 c = File.read("#{dir}/etc/ntp.conf")
150 c.gsub!(/^(pool|server) /) { "##{$1}" }
151 c << "\nserver 169.254.169.123 prefer iburst\n"
152 File.write "#{dir}/etc/ntp.conf", c
158 puts "Fixing boot environments..."
159 with_rootfs do |dir, devices|
160 puts "Override grub with host version..."
161 root_dev = "/dev/#{devices.first[/loop\d+/]}"
162 rootfs_uuid = dirs.find { |d| d.path == '/'}.fs_uuid
163 puts "New rootfs UUID=#{rootfs_uuid}"
165 system "rm", "-f", "#{dir}/etc/systemd/system/udev.service", "#{dir}/etc/systemd/system/systemd-udevd.service", "#{dir}/etc/udev/rules.d/70-persistent-net.rules"
167 puts "Rewrite fstab..."
168 File.open "#{dir}/etc/fstab", "w" do |f|
169 dirs.each_with_index do |di, idx|
170 f << %W(UUID=#{di.fs_uuid} #{di.path} ext4 defaults,noatime 0 #{di.path == '/' ? 1 : 2}).join("\t")
175 system("chroot", dir, "apt-get", "-qy", "update")
176 if File.read("#{dir}/etc/debian_version").to_f >= 9.0
177 # Note: 2019-10-08 時点で Debian9 のカーネルバージョンに対応していないので、エラー回避のために既存のカーネルを全て削除し、強制的に jessie のカーネルをイントールする
178 system("rm", "-f", "#{dir}/var/lib/dpkg/info/linux-image-#{`uname -r`.chomp}.prerm")
179 system({'DEBIAN_FRONTEND' => 'noninteractive'}, "chroot", dir, "apt", "remove", "--purge", "-y", "linux-image-*")
180 system("wget", "-O", "#{dir}/tmp/linux.deb", "http://security-cdn.debian.org/debian-security/pool/updates/main/l/linux/linux-image-3.16.0-10-amd64_3.16.81-1_amd64.deb") or raise "Failed to get jessie kernel"
181 system("chroot", dir, "dpkg", "-i", "/tmp/linux.deb")
182 system({'DEBIAN_FRONTEND' => 'noninteractive'}, "chroot", dir, "apt", "install", "-f", "-y") or raise "Failed to install jessie kernel"
183 system({'DEBIAN_FRONTEND' => 'noninteractive'}, "chroot", dir, "apt", "-y", "install", "isc-dhcp-client")
185 system({'DEBIAN_FRONTEND' => 'noninteractive'}, "chroot", dir, "apt-get", "-y", "--allow-unauthenticated", "install", "linux-image-amd64", "isc-dhcp-client")
188 puts "Update grub..."
189 if File.exists? "#{dir}/var/lib/dpkg/info/grub-efi-amd64.list"
190 system({'DEBIAN_FRONTEND' => 'noninteractive'}, "chroot", dir, "apt", "remove", "--purge", "-y", "grub-efi-amd64") or raise "Failed to purge grub-efi"
192 if !File.exists?("#{dir}/var/lib/dpkg/info/grub-pc.list") || !(File.exists?("#{dir}/usr/sbin/grub-bios-setup") || File.exists?("#{dir}/usr/sbin/grub-setup"))
193 system("chroot", dir, "apt-get", "-qy", "update") or raise "Failed to install grub-pc"
194 system({'DEBIAN_FRONTEND' => 'noninteractive'}, "chroot", dir, "apt-get", "-y", "install", "grub-pc")
196 File.open "#{dir}/boot/grub/device.map", "w" do |f|
197 f.puts "(hd0)\t#{root_dev}"
199 system("chroot", dir, "grub-mkconfig", "-o", "/boot/grub/grub.cfg") or raise "grub-mkconfig fails."
200 system(*%W(grub-install --no-floppy --grub-mkdevicemap=#{dir}/boot/grub/device.map --root-directory=#{dir} #{root_dev})) or raise "grub-install failed."
202 unless Array(run_cmds).empty?
203 Array(run_cmds).each do |cmd|
204 system({'DEBIAN_FRONTEND' => 'noninteractive'}, "chroot", dir, *Array(cmd)) or raise "Failed to execute command (#{cmd}): #{$!}"
208 cfg = File.read "#{dir}/boot/grub/grub.cfg"
209 cfg.gsub! %r{mapper/loop\d+p}, "sda"
210 File.write "#{dir}/boot/grub/grub.cfg", cfg
214 def with_rootfs(&block)
215 Dir.mktmpdir("ci-#{$$}-#{name}") do |dir|
216 with_loopdev do |devices|
218 system("mount", devices.first, dir) or raise "Failed to mount #{devices.first} to #{dir}"
219 system("mount", "--bind", "/dev", "#{dir}/dev") or raise "Failed to mount /dev to #{dir}/dev"
220 system("mount", "--bind", "/proc", "#{dir}/proc") or raise "Failed to mount /proc to #{dir}/proc"
222 dirs[1..-1].each_with_index do |di, idx|
223 system "mkdir", "-p", "#{dir}#{di.path}"
224 system("mount", di.device, "#{dir}#{di.path}") or raise "Failed to mount #{di.device} to #{dir}#{path}"
230 system("umount", "#{dir}/dev")
231 system("umount", "#{dir}/proc")
232 dirs.reverse[0..-2].each do |di, idx|
233 system("umount", "#{dir}#{di.path}")
235 system("umount", dir)
243 dirs.each_with_index do |dir, idx|
245 "Description" => dir.path == '/' ? 'root' : dir.path[1..-1].tr('/', '-'),
248 "S3Bucket" => ENV.fetch("S3_BUCKET", "osdn-base-images"),
249 "S3Key" => "#{ENV.fetch("S3_KEY_PREFIX", "src-disks/")}#{img_path_base}_#{idx}.img"
253 File.write "#{img_path_base}.json", JSON.pretty_generate(jdef)
263 puts "Image creation has been complated (#{name})"
270 opts = ARGV.getopts('l:', 'limit:', 'skip:')
271 limit_pat = opts['limit'] || opts['l']
273 limit_pat = Regexp.new(limit_pat)
275 list = YAML.load_file(ARGV[0] || 'image-list.yml')
276 list.each do |imgdef|
280 if imgdef.kind_of?(Hash)
281 name = imgdef['name']
282 (imgdef['dirs'] || {}).each do |path, opts|
283 opts.kind_of?(Hash) or opts = {size: opts}
284 dirs << SyncDirDef.new({path: path}.merge(opts.keys.map(&:to_sym).zip(opts.values).to_h))
286 imgdef.keys.each do |k|
287 next if %w[dirs name].member?(k)
288 opts[k.to_sym] = imgdef[k]
294 limit_pat.match?(name) or next
296 dirs.empty? and dirs << SyncDirDef.new
297 ImageCreator.new(name, dirs, **opts).run