builder: add preset for build package

Signed-off-by: BigfootACA <bigfoot@classfun.cn>

README.md

@@ -11,7 +11,7 @@ Currently only support Arch based distros
 Install required packages
 
 ```commandline
-pacman -S rsync pyalpm python-yaml python-libarchive-c
+pacman -S p7zip rsync pyalpm python-yaml python-libarchive-c
 ```
 
 For cross build (UNTESTED)
@@ -28,13 +28,14 @@ python build.py -c target/ayn-odin2-sdcard,locale/zh-cn,desktop/gnome
 
 ## Options
 
-| Option                              | Description               |
-|-------------------------------------|---------------------------|
-| -c CONFIG, --config CONFIG          | Select configs to build   |
-| -o WORKSPACE, --workspace WORKSPACE | Set workspace for builder |
-| -d, --debug                         | Enable debug logging      |
-| -G, --no-gpgcheck                   | Disable GPG check         |
-| -r, --repack                        | Repack rootfs only        |
+| Option                              | Description                      |
+|-------------------------------------|----------------------------------|
+| -p PRESET, --preset PRESET          | Select preset to create package  |
+| -c CONFIG, --config CONFIG          | Select configs to build          |
+| -o WORKSPACE, --workspace WORKSPACE | Set workspace for builder        |
+| -d, --debug                         | Enable debug logging             |
+| -G, --no-gpgcheck                   | Disable GPG check                |
+| -r, --repack                        | Repack rootfs only               |
 
 ## License
 

builder/lib/config.py

@@ -105,3 +105,14 @@ def load_configs(ctx: ArchBuilderContext, configs: list[str]):
 		if ctx.config is None:
 			raise ArchBuilderConfigError("no any config loaded")
 	log.debug(f"loaded {loaded} configs")
+
+
+def load_preset(ctx: ArchBuilderContext, preset: str):
+	file = preset
+	if not preset.startswith("/"):
+		file = "presets/" + preset
+	ctx.preset = True
+	load_configs(ctx, [file])
+	if "package" not in ctx.config:
+		raise ArchBuilderConfigError("bad preset config")
+	log.info(f"loaded preset {preset}")

builder/lib/context.py

@@ -1,5 +1,6 @@
 import os
 from copy import deepcopy
+from datetime import datetime
 from subprocess import Popen, PIPE
 from logging import getLogger
 from builder.lib.cpu import cpu_arch_get
@@ -88,6 +89,16 @@ class ArchBuilderContext:
 	passwd: PasswdFile = PasswdFile()
 	group: GroupFile = GroupFile()
 
+	"""
+	Use a preset to build package
+	"""
+	preset: bool = False
+
+	"""
+	Package version
+	"""
+	version: str = datetime.now().strftime('%Y%m%d%H%M%S')
+
 	def get(self, key: str, default=None):
 		"""
 		Get config value
@@ -101,7 +112,9 @@ class ArchBuilderContext:
 
 	def __init__(self):
 		self.cgroup = CGroup("arch-image-builder")
-		self.cgroup.create()
+		self.config["version"] = self.version
+		try: self.cgroup.create()
+		except: log.warning("failed to create cgroup", exc_info=1)
 
 	def __deinit__(self):
 		self.cleanup()

builder/main.py

@@ -6,6 +6,7 @@ from argparse import ArgumentParser
 from builder.build import bootstrap
 from builder.lib import config, utils
 from builder.lib.context import ArchBuilderContext
+from builder.lib.config import ArchBuilderConfigError
 log = logging.getLogger(__name__)
 
 
@@ -14,7 +15,8 @@ def parse_arguments(ctx: ArchBuilderContext):
 		prog="arch-image-builder",
 		description="Build flashable image for Arch Linux",
 	)
-	parser.add_argument("-c", "--config",      help="Select config to build", required=True, action='append')
+	parser.add_argument("-p", "--preset",      help="Select preset to create package")
+	parser.add_argument("-c", "--config",      help="Select config to build", action='append')
 	parser.add_argument("-o", "--workspace",   help="Set workspace for builder", default=ctx.work)
 	parser.add_argument("-d", "--debug",       help="Enable debug logging", default=False, action='store_true')
 	parser.add_argument("-G", "--no-gpgcheck", help="Disable GPG check", default=False, action='store_true')
@@ -31,8 +33,15 @@ def parse_arguments(ctx: ArchBuilderContext):
 
 	# collect configs path
 	configs = []
-	for conf in args.config:
-		configs.extend(conf.split(","))
+	if args.config:
+		for conf in args.config:
+			configs.extend(conf.split(","))
+
+	# load preset config for build package
+	if args.preset:
+		config.load_preset(ctx, args.preset)
+		pcfgs = ctx.get("package.configs", [])
+		configs.extend(pcfgs)
 
 	# load and populate configs
 	config.load_configs(ctx, configs)
@@ -63,6 +72,20 @@ def check_system():
 		raise FileNotFoundError("pacman not found")
 
 
+def done_package(ctx: ArchBuilderContext):
+	file: str = ctx.get("package.file", "")
+	out = file
+	if not out.startswith("/"):
+		out = os.path.join(ctx.work, file)
+	if not out.endswith(".7z"):
+		raise ArchBuilderConfigError("current only supports 7z")
+	log.info(f"creating package {file}")
+	args = ["7z", "a", "-ms=on", "-mx=9", out, "."]
+	ret = ctx.run_external(args, cwd=ctx.get_output())
+	if ret != 0: raise OSError("create package failed")
+	log.info(f"created package at {out}")
+
+
 def main():
 	logging.basicConfig(stream=stdout, level=logging.INFO)
 	check_system()
@@ -71,7 +94,10 @@ def main():
 	ctx.dir = os.path.realpath(os.path.join(os.path.dirname(__file__), os.path.pardir))
 	ctx.work = os.path.realpath(os.path.join(ctx.dir, "build"))
 	parse_arguments(ctx)
+	log.info(f"package version:    {ctx.version}")
 	log.info(f"source tree folder: {ctx.dir}")
 	log.info(f"workspace folder:   {ctx.work}")
 	log.info(f"build target name:  {ctx.target}")
 	bootstrap.build_rootfs(ctx)
+	if ctx.preset:
+		done_package(ctx)

configs/presets/ayn-odin2-sdcard-gnome-global.yaml

@@ -0,0 +1,5 @@
+package:
+  file: ArchLinuxARM-AYN-Odin2-SDCard-GNOME-Global-${version}.7z
+  configs:
+  - target/ayn-odin2-sdcard
+  - desktop/gnome

configs/presets/ayn-odin2-sdcard-gnome-zh-cn.yaml

@@ -0,0 +1,6 @@
+package:
+  file: ArchLinuxARM-AYN-Odin2-SDCard-GNOME-zh_CN-${version}.7z
+  configs:
+  - target/ayn-odin2-sdcard
+  - locale/zh-cn
+  - desktop/gnome

configs/presets/ayn-odin2-ufs-gnome-global.yaml

@@ -0,0 +1,5 @@
+package:
+  file: ArchLinuxARM-AYN-Odin2-UFS-GNOME-Global-${version}.7z
+  configs:
+  - target/ayn-odin2-ufs
+  - desktop/gnome

configs/presets/ayn-odin2-ufs-gnome-zh-cn.yaml

@@ -0,0 +1,6 @@
+package:
+  file: ArchLinuxARM-AYN-Odin2-UFS-GNOME-zh_CN-${version}.7z
+  configs:
+  - target/ayn-odin2-ufs
+  - locale/zh-cn
+  - desktop/gnome