import os
import pwd, grp
import threading
+import subprocess
import logger
import tools
def stop(self): pass
def is_running(self): pass
+ ### this used to be a plain method but because it needs to be invoked by destroy
+ # which is a static method, they need to become static as well
+ # needs to be done before sliver starts (checked with vs and lxc)
+ @staticmethod
+ def mount_ssh_dir (slicename): return Account._manage_ssh_dir (slicename, do_mount=True)
+ @staticmethod
+ def umount_ssh_dir (slicename): return Account._manage_ssh_dir (slicename, do_mount=False)
+
+ # bind mount / umount root side dir to sliver side
+ @staticmethod
+ def _manage_ssh_dir (slicename, do_mount):
+ logger.log ("_manage_ssh_dir, requested to "+("mount" if do_mount else "umount")+" ssh dir for "+ slicename)
+ try:
+ root_ssh="/home/%s/.ssh"%slicename
+ sliver_ssh="/vservers/%s/home/%s/.ssh"%(slicename,slicename)
+ def is_mounted (root_ssh):
+ for mount_line in file('/proc/mounts').readlines():
+ if mount_line.find (root_ssh)>=0: return True
+ return False
+ if do_mount:
+ # any of both might not exist yet
+ for path in [root_ssh,sliver_ssh]:
+ if not os.path.exists (path):
+ os.mkdir(path)
+ if not os.path.isdir (path):
+ raise Exception
+ if not is_mounted(root_ssh):
+ # xxx perform mount
+ subprocess.call("mount --bind -o ro %s %s"%(root_ssh,sliver_ssh),shell=True)
+ logger.log("_manage_ssh_dir: mounted %s into slice %s"%(root_ssh,slicename))
+ else:
+ if is_mounted (root_ssh):
+ # xxx perform umount
+ subprocess.call("umount %s"%(root_ssh),shell=True)
+ logger.log("_manage_ssh_dir: umounted %s"%(root_ssh))
+ except:
+ logger.log_exc("_manage_ssh_dir failed",name=slicename)
+
class Worker:
def __init__(self, name):
if not isinstance(self._acct, next_class): self._acct = next_class(rec)
logger.verbose("account.Worker.ensure_created: %s, running=%r"%(self.name,self.is_running()))
- # reservation_alive is set on reervable nodes, and its value is a boolean
+ # reservation_alive is set on reservable nodes, and its value is a boolean
if 'reservation_alive' in rec:
# reservable nodes
if rec['reservation_alive']:
except KeyError: return None
return shell_acct_class[shell]
- # bind mount root side dir to sliver side
- # needs to be done before sliver starts, in the vserver case at least
- def expose_ssh_dir (self):
- try:
- root_ssh="/home/%s/.ssh"%self.name
- sliver_ssh="/vservers/%s/home/%s/.ssh"%(self.name,self.name)
- # any of both might not exist yet
- for path in [root_ssh,sliver_ssh]:
- if not os.path.exists (path):
- os.mkdir(path)
- if not os.path.isdir (path):
- raise Exception
- mounts=file('/proc/mounts').read()
- if mounts.find(sliver_ssh)<0:
- # xxx perform mount
- subprocess.call("mount --bind -o ro %s %s"%(root_ssh,sliver_ssh),shell=True)
- logger.log("expose_ssh_dir: %s mounted into slice %s"%(root_ssh,self.name))
- except:
- logger.log_exc("expose_ssh_dir with slice %s failed"%self.name)
-