stages: add org.osbuild.isolinux
New stage to configure the isolinux boot loader.
This commit is contained in:
Christian Kellner
Tom Gundersen
parent
228323f0dc
commit
0910320e62
1 changed files with 244 additions and 0 deletions
244
stages/org.osbuild.isolinux
Executable file
244
stages/org.osbuild.isolinux
Executable file
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#!/usr/bin/python3
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"""
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Create an isolinux bootloader
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"""
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import os
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import shutil
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import sys
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import string
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import osbuild.api
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SCHEMA_2 = """
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"options": {
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"additionalProperties": false,
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"required": ["product", "kernel"],
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"properties": {
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"product": {
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"type": "object",
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"additionalProperties": false,
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"required": ["name", "version"],
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"properties": {
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"name": {"type": "string"},
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"version": {"type": "string"}
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}
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},
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"kernel": {
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"type": "object",
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"required": ["dir"],
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"properties": {
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"dir": {
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"type": "string"
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},
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"opts": {
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"description": "Array of group names for this user",
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"type": "array",
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"items": {
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"type": "string"
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}
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}
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}
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}
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}
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},
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"inputs": {
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"type": "object",
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"additionalProperties": false,
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"required": ["data"],
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"properties": {
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"data": {
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"type": "object",
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"additionalProperties": true
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}
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}
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}
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"""
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# The isolinux configuration template
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ISOLINUX_CFG_TEMPLATE = """
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default vesamenu.c32
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timeout 600
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display boot.msg
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# Clear the screen when exiting the menu, instead of leaving the menu displayed.
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# For vesamenu, this means the graphical background is still displayed without
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# the menu itself for as long as the screen remains in graphics mode.
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menu clear
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menu background splash.png
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menu title ${product} ${version}
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menu vshift 8
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menu rows 18
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menu margin 8
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#menu hidden
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menu helpmsgrow 15
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menu tabmsgrow 13
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# Border Area
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menu color border * #00000000 #00000000 none
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# Selected item
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menu color sel 0 #ffffffff #00000000 none
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# Title bar
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menu color title 0 #ff7ba3d0 #00000000 none
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# Press [Tab] message
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menu color tabmsg 0 #ff3a6496 #00000000 none
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# Unselected menu item
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menu color unsel 0 #84b8ffff #00000000 none
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# Selected hotkey
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menu color hotsel 0 #84b8ffff #00000000 none
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# Unselected hotkey
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menu color hotkey 0 #ffffffff #00000000 none
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# Help text
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menu color help 0 #ffffffff #00000000 none
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# A scrollbar of some type? Not sure.
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menu color scrollbar 0 #ffffffff #ff355594 none
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# Timeout msg
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menu color timeout 0 #ffffffff #00000000 none
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menu color timeout_msg 0 #ffffffff #00000000 none
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# Command prompt text
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menu color cmdmark 0 #84b8ffff #00000000 none
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menu color cmdline 0 #ffffffff #00000000 none
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# Do not display the actual menu unless the user presses a key. All that is displayed is a timeout message.
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menu tabmsg Press Tab for full configuration options on menu items.
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menu separator # insert an empty line
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menu separator # insert an empty line
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label linux
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menu label ^Install ${product} ${version}
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kernel vmlinuz
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append initrd=initrd.img ${cmdline} quiet
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label check
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menu label Test this ^media & install ${product} ${version}
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menu default
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kernel vmlinuz
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append initrd=initrd.img ${cmdline} rd.live.check quiet
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menu separator # insert an empty line
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# utilities submenu
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menu begin ^Troubleshooting
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menu title Troubleshooting ${product} ${version}
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label basic
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menu indent count 5
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menu label Install using ^basic graphics mode
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text help
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Try this option out if you're having trouble installing
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${product} ${version}.
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endtext
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kernel vmlinuz
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append initrd=initrd.img ${cmdline} nomodeset quiet
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label rescue
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menu indent count 5
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menu label ^Rescue a ${product} system
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text help
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If the system will not boot, this lets you access files
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and edit config files to try to get it booting again.
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endtext
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kernel vmlinuz
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append initrd=initrd.img ${cmdline} inst.rescue quiet
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label memtest
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menu label Run a ^memory test
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text help
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If your system is having issues, a problem with your
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system's memory may be the cause. Use this utility to
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see if the memory is working correctly.
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endtext
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kernel memtest
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menu separator # insert an empty line
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label local
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menu label Boot from ^local drive
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localboot 0xffff
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menu separator # insert an empty line
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menu separator # insert an empty line
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label returntomain
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menu label Return to ^main menu
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menu exit
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"""
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def install(src, dst, mode=None):
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shutil.copyfile(src, dst)
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if mode:
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os.chmod(dst, mode)
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def main(tree, inputs, options):
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name = options["product"]["name"]
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version = options["product"]["version"]
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kdir = options["kernel"]["dir"]
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kopts = options["kernel"].get("opts")
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debug = options.get("debug", False)
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data = inputs["data"]["path"]
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kerneldir = os.path.join(tree, kdir.lstrip("/"))
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isolinux = os.path.join(tree, "isolinux")
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os.makedirs(isolinux)
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src = os.path.join(data, "usr/share/anaconda/boot/syslinux-splash.png")
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dst = os.path.join(isolinux, "splash.png")
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install(src, dst)
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isolinuxfiles = [("isolinux.bin", 0o755),
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("ldlinux.c32", 0o755),
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("libcom32.c32", 0o755),
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("libutil.c32", 0o755),
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("vesamenu.c32", 0o755)]
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for target, mode in isolinuxfiles:
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src = os.path.join(data, "usr/share/syslinux/", target)
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dst = os.path.join(isolinux, target)
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install(src, dst, mode)
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if debug:
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src = os.path.join(data, "usr/share/syslinux/isolinux-debug.bin")
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dst = os.path.join(isolinux, "isolinux.bin")
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install(src, dst, 0o755)
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tplt = string.Template(ISOLINUX_CFG_TEMPLATE)
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data = tplt.safe_substitute({
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"version": version,
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"product": name,
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"cmdline": " ".join(kopts)
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})
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config = os.path.join(isolinux, "isolinux.cfg")
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with open(config, "w") as cfg:
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cfg.write(data)
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# link the kernel
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os.link(os.path.join(kerneldir, "vmlinuz"),
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os.path.join(isolinux, "vmlinuz"))
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os.link(os.path.join(kerneldir, "initrd.img"),
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os.path.join(isolinux, "initrd.img"))
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if __name__ == '__main__':
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args = osbuild.api.arguments()
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ret = main(args["tree"], args["inputs"], args["options"])
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sys.exit(ret)
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