This commit is contained in:
2025-10-23 07:43:47 +08:00
parent 1b6591384b
commit 7f9e2b56c4
2 changed files with 26 additions and 99 deletions

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@@ -1,101 +1,32 @@
"""
按组挂载 Git 资源(只读) + 自动建用户加组
资源路径 /home/zhangyi/jupyter-collection
控制文件 /home/zhangyi/jupyter-collection/.hub/resource_map.ini
"""
import os, grp, pwd, shutil, subprocess, configparser
import shutil, configparser
from pathlib import Path
from jupyterhub.spawner import Spawner
# ---------- 路径常量 ----------
SHARED_ROOT = Path("/home/zhangyi/jupyter-collection") # Git 资源仓库
USER_HOME = Path("/home/jupyter-{username}") # 用户家目录模板
CTRL_FILE = SHARED_ROOT / ".hub" / "resource_map.ini" # 组-资源-用户映射
# 仓库在host上的地址
SHARED_ROOT = Path("/home/zhangyi/jupyter-collection")
CTRL_FILE = SHARED_ROOT / ".hub" / "resource_map.ini"
# ---------- 工具:读控制表 ----------
def load_ctrl():
"""返回 (组->资源, 组->用户) 两个 dict"""
def load_map():
cfg = configparser.ConfigParser()
cfg.read(CTRL_FILE)
res_map = {g: [r.strip() for r in v.split(",")] for g, v in cfg.items("map")}
usr_map = {g: [u.strip() for u in v.split(",")] for g, v in cfg.items("users")}
return res_map, usr_map
# 用户名 -> [res1, res2, ...]
return {u: [r.strip() for r in v.split(",")]
for u, v in cfg.items("users")}
# ========== 最早钩子:预创建家目录 ==========
def ensure_homedir(spawner):
"""systemd 启动前保证目录存在且属主正确"""
def copy_resources(spawner):
username = spawner.user.name
user_dir = Path(str(USER_HOME).format(username=username))
if not user_dir.exists():
user_dir.mkdir(mode=0o700, parents=True)
shutil.chown(user_dir, user=username, group=username)
shared = Path(spawner.environment.get("HOME", f"/home/jupyter-{username}")) / "shared"
c.Spawner.pre_spawn_hook = ensure_homedir
# ========== 认证后钩子:自动建用户+加组 ==========
def ensure_user_and_groups(authenticator, handler, authentication):
username = authentication['name']
res_map, usr_map = load_ctrl()
wanted_groups = [g for g, users in usr_map.items() if username in users]
if not wanted_groups:
return authentication
for g in wanted_groups: # 确保组存在
subprocess.run(["groupadd", "-f", g], check=False)
if subprocess.run(["id", "-u", username], capture_output=True).returncode != 0:
subprocess.run([
"useradd", "-m", "-s", "/bin/bash",
"-d", str(USER_HOME).format(username=username), username
], check=False)
for g in wanted_groups: # 加组
subprocess.run(["usermod", "-aG", g, username], check=False)
return authentication
c.Authenticator.post_auth_hook = ensure_user_and_groups
# ========== spawn 钩子:清 shared + 只读挂载 ==========
def prepare_user(spawner):
username = spawner.user.name
user_dir = Path(str(USER_HOME).format(username=username))
# ① 确保家目录 700 + 属主正确(首次/后续都适用)
user_dir.mkdir(mode=0o700, parents=True, exist_ok=True)
shutil.chown(user_dir, user=username, group=username)
# ② 只清 shared保留用户其它文件
shared = user_dir / "shared"
# 清空或新建 shared
if shared.exists():
shutil.rmtree(shared)
shared.mkdir(parents=True, exist_ok=True)
shutil.chown(shared, user=username, group=username)
# 读取控制表
res_map, _ = load_ctrl()
# 按 ini 拷贝资源
for res in load_map().get(username, []):
src = SHARED_ROOT / res
dst = shared / res
if src.is_dir():
shutil.copytree(src, dst, dirs_exist_ok=True)
# 获取用户系统组
try:
pwnam = pwd.getpwnam(username)
gid_list = os.getgrouplist(username, pwnam.pw_gid)
except (KeyError, OSError):
return
user_groups = {grp.getgrgid(g).gr_name for g in gid_list}
# 组装 bind_mountsSystemdSpawner 语法)
bind_list = []
for grp_name in user_groups:
for res in res_map.get(grp_name, []):
res_path = SHARED_ROOT / res
if res_path.is_dir():
bind_list.append({
'source': str(res_path),
'target': str(shared / res),
'read-only': True,
})
spawner.bind_mounts = bind_list
c.Spawner.pre_spawn_hook = prepare_user
# ========== 用户容器启动完成后执行 ==========
c.Spawner.post_spawn_hook = copy_resources

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@@ -1,12 +1,8 @@
# 第一个表定义了不同的组别可读取的资源路径名称
# <组名> = <路径名>, <路径名>
[map]
PrincipleOfGeophysics = geophysics_basic
GeophysicalInversion = geophysics_basic, geophysics_advanced
jupyterhub-admins = geophysics_basic, geophysics_advanced
# 第二个表定义了每个组内的用户 用逗号区分
# 个表定义了每个用户的权限 即能拿到哪些文件夹 逗号分隔
[users]
jupyterhub-admins = zhangyi
PrincipleOfGeophysics = student1, student2, student3
GeophysicalInversion = student4, student5
zhangyi = geophysics_basic, geophysics_advanced
student1 = geophysics_basic
student2 = geophysics_basic
student3 = geophysics_basic
student4 = geophysics_basic, geophysics_advanced
student5 = geophysics_basic, geophysics_advanced