mirror of
https://github.com/BigfootACA/arch-image-builder.git
synced 2024-11-11 07:57:53 +08:00
100 lines
2.4 KiB
Python
100 lines
2.4 KiB
Python
from logging import getLogger
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from builder.build.filesystem import chroot_run
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from builder.lib.config import ArchBuilderConfigError
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from builder.lib.context import ArchBuilderContext
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log = getLogger(__name__)
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def proc_user(ctx: ArchBuilderContext, cfg: dict):
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"""
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Create a new user and set password
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"""
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if "name" not in cfg: raise ArchBuilderConfigError("username not set")
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name = cfg["name"]
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cmds = []
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if ctx.passwd.lookup_name(name) is None:
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# user is not exists, create it
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cmds.append("useradd")
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cmds.append("-m") # create home
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action = "created"
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else:
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# user is already exists, modify it
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cmds.append("usermod")
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action = "modified"
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# add all options
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if "uid" in cfg: cmds.extend(["-u", str(cfg["uid"])])
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if "gid" in cfg: cmds.extend(["-g", str(cfg["gid"])])
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if "home" in cfg: cmds.extend(["-d", cfg["home"]])
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if "shell" in cfg: cmds.extend(["-s", cfg["shell"]])
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if "groups" in cfg: cmds.extend(["-G", str(cfg["groups"])])
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cmds.append(name)
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# run useradd or usermod
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ret = chroot_run(ctx, cmds)
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if ret != 0: raise OSError(f"{cmds[0]} failed")
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# we want to set a password for user
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if "password" in cfg:
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cmds = ["chpasswd"]
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text = f"{name}:{cfg['password']}\n"
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ret = chroot_run(ctx, cmds, stdin=text)
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if ret != 0: raise OSError("chpasswd failed")
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# reload user database
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ctx.reload_passwd()
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log.info(f"{action} user {name}")
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def proc_group(ctx: ArchBuilderContext, cfg: dict):
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"""
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Create a new group
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"""
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if "name" not in cfg: raise ArchBuilderConfigError("groupname not set")
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name = cfg["name"]
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cmds = []
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if ctx.passwd.lookup_name(name) is None:
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# group is not exists, create it
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cmds.append("groupadd")
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action = "created"
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else:
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# group is already exists, modify it
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cmds.append("groupmod")
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action = "modified"
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# add all options
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if "gid" in cfg: cmds.extend(["-g", str(cfg["gid"])])
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cmds.append(name)
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# run groupadd or groupmod
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ret = chroot_run(ctx, cmds)
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if ret != 0: raise OSError(f"{name} failed")
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# reload user database
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ctx.reload_passwd()
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log.info(f"{action} group {name}")
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def proc_users(ctx: ArchBuilderContext):
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"""
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Create all users
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"""
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for user in ctx.get("sysconf.user", []):
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proc_user(ctx, user)
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def proc_groups(ctx: ArchBuilderContext):
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"""
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Create all groups
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"""
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for group in ctx.get("sysconf.group", []):
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proc_group(ctx, group)
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def proc_usergroup(ctx: ArchBuilderContext):
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"""
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Create all users and groups
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"""
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proc_groups(ctx) # create groups before users
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proc_users(ctx)
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