Named Server and unique Workdirectories

JupyterHub
5

Super. You’ve put me on the right track.

Instead of --ServerApp.root_dir I had to use --ContentsManager.root_dir, but now it works.
Thanks a lot.

#
# https://raw.githubusercontent.com/ideonate/cdsdashboards/master/cdsdashboards/hubextension/spawners/variableusercreating.py
# https://raw.githubusercontent.com/ideonate/cdsdashboards/master/cdsdashboards/hubextension/spawners/variablesystemd.py
# https://raw.githubusercontent.com/jupyterhub/systemdspawner/main/systemdspawner/systemdspawner.py
#
import pwd
import os
from cdsdashboards.hubextension.spawners.variableusercreating import VariableUserCreatingSpawner

class myVariableUserCreatingSpawner(VariableUserCreatingSpawner):
 def get_args(self):
        try:
                unix_username = self._expand_user_vars(self.username_template)
                pwnam = pwd.getpwnam(unix_username)
        except KeyError:
                self.log.exception(f"No user named {unix_username} found in the system")
                raise
        pwnam.pw_name
        wd = pwnam.pw_dir
        # If Named Server, use a subdirectory within the home directory
        if self.name: 
            subdir = "".join(ch for ch in self.name if (ch.isalnum() or ch in " _-#"))
            wd = os.path.join(wd, subdir) + "/"
            self.log.error("Using " + wd)
            if os.path.exists(wd):
                 pass    
            else:
                os.mkdir(wd)                       
                uid = pwd.getpwnam(pwnam.pw_name).pw_uid
                gid = grp.getgrnam(pwnam.pw_name).gr_gid
                os.chown(wd, uid, gid)            
        self.log.error(f"XXX User-Dir {pwnam.pw_dir} Named Server: {self.name} Direcotry {wd} User: { pwnam.pw_name } ")
        args = list(super().get_args())
        #args.append("--ServerApp.root_dir=" + wd)
        args.append("--ContentsManager.root_dir=" + wd)
        return args



c.JupyterHub.spawner_class = myVariableUserCreatingSpawner
c.SystemdSpawner.unit_name_template = 'jupyter-{USERNAME}{DASHSERVERNAME}'
c.JupyterHub.allow_named_servers = True
c.CDSDashboardsConfig.builder_class = 'cdsdashboards.builder.processbuilder.ProcessBuilder'

from cdsdashboards.app import CDS_TEMPLATE_PATHS
from cdsdashboards.hubextension import cds_extra_handlers

c.JupyterHub.template_paths = CDS_TEMPLATE_PATHS
c.JupyterHub.extra_handlers = cds_extra_handlers
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