X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=accounts.py;h=59ecedb01d8f019dc3321f8f7814cb5de5c3d1b2;hb=6205fde23e05b2a2ba71ead8455bf19c879cc0cd;hp=ffb9d52cf5ea635c7962c1a8a9f12725bcc9a5b3;hpb=33bb6d66fd29039576844c49ceceefe905d68fd3;p=nodemanager.git diff --git a/accounts.py b/accounts.py index ffb9d52..59ecedb 100644 --- a/accounts.py +++ b/accounts.py @@ -3,9 +3,9 @@ """Functionality common to all account classes. -Each subclass of Account must provide five methods: - (*) create() and destroy(), which are static; - (*) configure(), start(), and stop(), which are not. +Each subclass of Account must provide five methods: + (*) create() and destroy(), which are static; + (*) configure(), start(), and stop(), which are not. configure(), which takes a record as its only argument, does things like set up ssh keys. In addition, an Account subclass must @@ -33,8 +33,6 @@ import logger import tools -# When this variable is true, start after any ensure_created -Startingup = False # shell path -> account class association shell_acct_class = {} # account type -> account class association @@ -77,7 +75,6 @@ class Account: logger.verbose('accounts: Initing account %s'%rec['name']) self.name = rec['name'] self.keys = '' - self.initscriptchanged = False self.configure(rec) @staticmethod @@ -131,8 +128,8 @@ class Worker: self.name = name # username self._acct = None # the account object currently associated with this worker - def ensure_created(self, rec, startingup = Startingup): - """Check account type is still valid. If not, recreate sliver. + def ensure_created(self, rec): + """Check account type is still valid. If not, recreate sliver. If still valid, check if running and configure/start if not.""" logger.log_data_in_file(rec,"/var/lib/nodemanager/%s.rec.txt"%rec['name'], 'raw rec captured in ensure_created',logger.LOG_VERBOSE) @@ -144,22 +141,38 @@ If still valid, check if running and configure/start if not.""" try: next_class.create(self.name, rec['vref']) finally: create_sem.release() if not isinstance(self._acct, next_class): self._acct = next_class(rec) - if startingup or \ - not self.is_running() or \ - next_class != curr_class or \ - self._acct.initscriptchanged: - self.start(rec) - else: self._acct.configure(rec) + logger.verbose("accounts.ensure_created: %s, running=%r"%(self.name,self.is_running())) + + # reservation_alive is set on reervable nodes, and its value is a boolean + if 'reservation_alive' in rec: + # reservable nodes + if rec['reservation_alive']: + # this sliver has the lease, it is safe to start it + if not self.is_running(): self.start(rec) + else: self.configure(rec) + else: + # not having the lease, do not start it + self.configure(rec) + # usual nodes - preserve old code + # xxx it's not clear what to do when a sliver changes type/class + # in a reservable node + else: + if not self.is_running() or next_class != curr_class: + self.start(rec) + else: self.configure(rec) def ensure_destroyed(self): self._destroy(self._get_class()) - def start(self, rec, d = 0): + def start(self, rec, d = 0): self._acct.configure(rec) self._acct.start(delay=d) + def configure(self, rec): + self._acct.configure(rec) + def stop(self): self._acct.stop() - def is_running(self): + def is_running(self): if (self._acct != None) and self._acct.is_running(): status = True else: