mirror of
https://github.com/BigfootACA/arch-image-builder.git
synced 2024-09-21 19:30:55 +08:00
97 lines
2.5 KiB
Python
97 lines
2.5 KiB
Python
import os
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from logging import getLogger
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from builder.lib.context import ArchBuilderContext
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from builder.lib.config import ArchBuilderConfigError
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from builder.lib.utils import open_config
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log = getLogger(__name__)
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def gen_machine_info(ctx: ArchBuilderContext):
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"""
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Generate /etc/machine-info for systemd
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"""
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root = ctx.get_rootfs()
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file = os.path.join(root, "etc/machine-info")
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cfg = ctx.get("sysconf")
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fields = [
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"chassis", "location", "icon_name",
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"deployment", "pretty_hostname"
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]
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with open_config(file) as f:
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for field in fields:
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if field not in cfg: continue
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f.write("%s=\"%s\"\n" % (field.upper(), cfg[field]))
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log.info(f"generated machine-info {file}")
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def gen_hosts(ctx: ArchBuilderContext):
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"""
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Generate /etc/hosts
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"""
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addrs: list[str] = []
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root = ctx.get_rootfs()
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file = os.path.join(root, "etc/hosts")
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hosts: list[str] = ctx.get("sysconf.hosts", [])
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with open_config(file) as f:
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for addr in hosts:
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s = addr.split()
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if len(s) <= 1: raise ArchBuilderConfigError("bad host entry")
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addrs.append(s[0])
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f.write(addr)
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f.write(os.linesep)
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# 127.0.1.1 not set, add for FQDN
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name = ctx.get("sysconf.hostname")
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if "127.0.1.1" not in addrs and name:
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f.write(f"127.0.1.1 {name}\n")
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log.info(f"generated hosts {file}")
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def gen_hostname(ctx: ArchBuilderContext):
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"""
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Generate /etc/hostname
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"""
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root = ctx.get_rootfs()
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file = os.path.join(root, "etc/hostname")
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name = ctx.get("sysconf.hostname")
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if name is None: return
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with open_config(file) as f:
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f.write(name)
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f.write(os.linesep)
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log.info(f"generated hostname {file}")
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def gen_environments(ctx: ArchBuilderContext):
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"""
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Generate /etc/environments
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"""
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root = ctx.get_rootfs()
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file = os.path.join(root, "etc/environment")
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envs: dict[str] = ctx.get("sysconf.environments", [])
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with open_config(file) as f:
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for key in envs:
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val = envs[key]
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f.write(f"{key}=\"{val}\"\n")
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log.info(f"generated environment {file}")
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folder = os.path.join(root, "etc/systemd/system.conf.d")
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os.makedirs(folder, mode=0o0755, exist_ok=True)
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file = os.path.join(folder, "environment.conf")
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with open(file, "w") as f:
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f.write("# default environments for all processes\n\n")
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f.write("[Manager]\n")
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for key in envs:
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val = envs[key]
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f.write(f"DefaultEnvironment=\"{key}={val}\"\n")
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os.chmod(file, mode=0o0644)
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log.info(f"generated environment {file}")
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def proc_names(ctx: ArchBuilderContext):
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"""
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Apply names for system configs
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"""
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gen_machine_info(ctx)
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gen_environments(ctx)
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gen_hostname(ctx)
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gen_hosts(ctx)
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