X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sm.py;h=ca21d481ae3cbb6262fc4b421a5fc4eb38d791ab;hb=refs%2Fheads%2F1.8;hp=79403ca0505918ff4e8434309de4aa7d7c8d56ea;hpb=2bea6afe154924341f57f7b8633b9ca87b53b82f;p=nodemanager.git diff --git a/sm.py b/sm.py index 79403ca..ca21d48 100644 --- a/sm.py +++ b/sm.py @@ -7,65 +7,149 @@ also to make inter-sliver resource loans. The sliver manager is also responsible for handling delegation accounts. """ +# $Id$ + try: from bwlimit import bwmin, bwmax except ImportError: bwmin, bwmax = 8, 1000*1000*1000 import accounts import api +import api_calls import database -import delegate +import controller +import logger import sliver_vs +import string,re -DEFAULT_ALLOCATION = {'enabled': 1, 'cpu_min': 0, 'cpu_share': 32, 'net_min': bwmin, 'net_max': bwmax, 'net2_min': bwmin, 'net2_max': bwmax, 'net_share': 1, 'disk_max': 5000000} +DEFAULT_ALLOCATION = { + 'enabled': 1, + # CPU parameters + 'cpu_pct': 0, # percent CPU reserved + 'cpu_share': 1, # proportional share + # bandwidth parameters + 'net_min_rate': bwmin / 1000, # kbps + 'net_max_rate': bwmax / 1000, # kbps + 'net_share': 1, # proportional share + # bandwidth parameters over routes exempt from node bandwidth limits + 'net_i2_min_rate': bwmin / 1000, # kbps + 'net_i2_max_rate': bwmax / 1000, # kbps + 'net_i2_share': 1, # proportional share + 'net_max_kbyte' : 10546875, #Kbyte + 'net_thresh_kbyte': 9492187, #Kbyte + 'net_i2_max_kbyte': 31640625, + 'net_i2_thresh_kbyte': 28476562, + # disk space limit + 'disk_max': 10000000, # bytes + # capabilities + 'capabilities': '', + # IP addresses + 'ip_addresses': '0.0.0.0', -start_requested = False # set to True in order to request that all slivers be started + # NOTE: this table is further populated with resource names and + # default amounts via the start() function below. This probably + # should be changeg and these values should be obtained via the + # API to myplc. + } +start_requested = False # set to True in order to request that all slivers be started @database.synchronized -def GetSlivers_callback(data): - """This function has two purposes. One, convert GetSlivers() data into a more convenient format. Two, even if no updates are coming in, use the GetSlivers() heartbeat as a cue to scan for expired slivers.""" - for d in data: - for sliver in d['slivers']: - rec = sliver.copy() - rec.setdefault('timestamp', d['timestamp']) - rec.setdefault('type', 'sliver.VServer') - - # convert attributes field to a proper dict - attr_dict = {} - for attr in rec.pop('attributes'): attr_dict[attr['name']] = attr['value'] - - # squash keys - keys = rec.pop('keys') - rec.setdefault('keys', '\n'.join([key_struct['key'] for key_struct in keys])) - - rec.setdefault('initscript', attr_dict.get('initscript', '')) - rec.setdefault('delegations', []) # XXX - delegation not yet supported - - # extract the implied rspec - rspec = {} - rec['rspec'] = rspec - for resname, default_amt in DEFAULT_ALLOCATION.iteritems(): - try: amt = int(attr_dict[resname]) - except (KeyError, ValueError): amt = default_amt - rspec[resname] = amt - database.db.deliver_record(rec) - database.db.set_min_timestamp(d['timestamp']) +def GetSlivers(data, config = None, plc=None, fullupdate=True): + """This function has two purposes. One, convert GetSlivers() data + into a more convenient format. Two, even if no updates are coming + in, use the GetSlivers() heartbeat as a cue to scan for expired + slivers.""" + + logger.verbose("Entering sm:GetSlivers with fullupdate=%r"%fullupdate) + for key in data.keys(): + logger.verbose('GetSlivers key : ' + key) + + node_id = None + try: + f = open('/etc/planetlab/node_id') + try: node_id = int(f.read()) + finally: f.close() + except: logger.log_exc() + + if data.has_key('node_id') and data['node_id'] != node_id: return + + if data.has_key('networks'): + for network in data['networks']: + if network['is_primary'] and network['bwlimit'] is not None: + DEFAULT_ALLOCATION['net_max_rate'] = network['bwlimit'] / 1000 + + # Take intscripts (global) returned by API, make dict + initscripts = {} + for is_rec in data['initscripts']: + logger.verbose("initscript: %s" % is_rec['name']) + initscripts[str(is_rec['name'])] = is_rec['script'] + + for sliver in data['slivers']: + logger.verbose("sm:GetSlivers in slivers loop") + rec = sliver.copy() + rec.setdefault('timestamp', data['timestamp']) + + # convert attributes field to a proper dict + attr_dict = {} + for attr in rec.pop('attributes'): attr_dict[attr['tagname']] = attr['value'] + rec.setdefault("attributes", attr_dict) + + # squash keys + keys = rec.pop('keys') + rec.setdefault('keys', '\n'.join([key_struct['key'] for key_struct in keys])) + + ## 'Type' isn't returned by GetSlivers() for whatever reason. We're overloading + ## instantiation here, but i suppose its the same thing when you think about it. -FA + # Handle nm controller here + if rec['instantiation'].lower() == 'nm-controller': + rec.setdefault('type', attr_dict.get('type', 'controller.Controller')) + else: + rec.setdefault('type', attr_dict.get('type', 'sliver.VServer')) + + # set the vserver reference. If none, set to default. + rec.setdefault('vref', attr_dict.get('vref', 'default')) + + # set initscripts. first check if exists, if not, leave empty. + is_name = attr_dict.get('initscript') + if is_name is not None and is_name in initscripts: + rec['initscript'] = initscripts[is_name] + else: + rec['initscript'] = '' + + # set delegations, if none, set empty + rec.setdefault('delegations', attr_dict.get("delegations", [])) + + # extract the implied rspec + rspec = {} + rec['rspec'] = rspec + for resname, default_amt in DEFAULT_ALLOCATION.iteritems(): + try: + t = type(default_amt) + amt = t.__new__(t, attr_dict[resname]) + except (KeyError, ValueError): amt = default_amt + rspec[resname] = amt + + # add in sysctl attributes into the rspec + for key in attr_dict.keys(): + if key.find("sysctl.") == 0: + rspec[key] = attr_dict[key] + + database.db.deliver_record(rec) + if fullupdate: database.db.set_min_timestamp(data['timestamp']) + # slivers are created here. database.db.sync() + accounts.Startingup = False - # handle requested startup - global start_requested - if start_requested: - start_requested = False - cumulative_delay = 0 - for name in database.db.iterkeys(): - accounts.get(name).start(delay=cumulative_delay) - cumulative_delay += 3 +def deliver_ticket(data): return GetSlivers(data, fullupdate=False) -def start(options): +def start(options, config): + for resname, default_amt in sliver_vs.DEFAULT_ALLOCATION.iteritems(): + DEFAULT_ALLOCATION[resname]=default_amt + accounts.register_class(sliver_vs.Sliver_VS) - accounts.register_class(delegate.Delegate) - global start_requested - start_requested = options.startup + accounts.register_class(controller.Controller) + accounts.Startingup = options.startup database.start() + api_calls.deliver_ticket = deliver_ticket api.start()