X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sm.py;h=c5384c31a19bf1b0248c60f2cc471c23c95d7cd2;hb=refs%2Fheads%2F1.7;hp=d747e71b3091a46c7cfc2fb5e2a265274c3863ba;hpb=08e0ab4eaad11bea5f69bb2f5f324cd8566ac4a9;p=nodemanager.git diff --git a/sm.py b/sm.py index d747e71..c5384c3 100644 --- a/sm.py +++ b/sm.py @@ -7,12 +7,15 @@ 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 @@ -20,10 +23,9 @@ import string,re DEFAULT_ALLOCATION = { 'enabled': 1, - 'whitelist': 1, # CPU parameters - 'cpu_min': 0, # ms/s - 'cpu_share': 32, # proportional share + '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 @@ -38,71 +40,19 @@ DEFAULT_ALLOCATION = { 'net_i2_thresh_kbyte': 13757316, # disk space limit 'disk_max': 5000000, # bytes - - # VSERVER specific limits - # resident set size (memory) limits - 'rss_min': sliver_vs.KEEP_LIMIT, - 'rss_soft': sliver_vs.KEEP_LIMIT, - 'rss_hard': sliver_vs.KEEP_LIMIT, - # address space limits - 'as_min': sliver_vs.KEEP_LIMIT, - 'as_soft': sliver_vs.KEEP_LIMIT, - 'as_hard': sliver_vs.KEEP_LIMIT, - # number of process limit - 'nproc_min': sliver_vs.KEEP_LIMIT, - 'nproc_soft': sliver_vs.KEEP_LIMIT, - 'nproc_hard': sliver_vs.KEEP_LIMIT, - # number of file descriptor limit - 'openfd_min': sliver_vs.KEEP_LIMIT, - 'openfd_soft': sliver_vs.KEEP_LIMIT, - 'openfd_hard': sliver_vs.KEEP_LIMIT, + # capabilities + 'capabilities': '', + # IP addresses + 'ip_addresses': '0.0.0.0', + + # 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 - -def whitelistfilter(): - """creates a regex (re) object based on the slice definitions - in /etc/planetlab/whitelist""" - - whitelist = [] - whitelist_re = re.compile("([a-zA-Z0-9\*]+)_([a-zA-Z0-9\*]+)") - linecount = 0 - try: - f = open('/etc/planetlab/whitelist') - for line in f.readlines(): - linecount = linecount+1 - line = line.strip() - # skip comments - if len(line)>0 and line[0]=='#': - continue - m = whitelist_re.search(line) - if m == None: - logger.log("skipping line #%d in /etc/planetlab/whitelist" % linecount) - continue - else: - whitelist.append(m.group()) - f.close() - except IOError,e: - logger.log("IOError -> %s" % e) - logger.log("No whitelist file found; setting slice white list to *_*") - whitelist = ["*_*"] - - white_re_list = None - for w in whitelist: - w = string.replace(w,'*','([a-zA-Z0-9]+)') - if white_re_list == None: - white_re_list = w - else: - white_re_list = "(%s)|(%s)" % (white_re_list,w) - - if white_re_list == None: - white_re_list = "([a-zA-Z0-9]+)_([a-zA-Z0-9]+)" - - logger.log("whitelist regex = %s" % white_re_list) - whitelist_re = re.compile(white_re_list) - return whitelist_re - @database.synchronized def GetSlivers(data, fullupdate=True): """This function has two purposes. One, convert GetSlivers() data @@ -110,6 +60,10 @@ def GetSlivers(data, fullupdate=True): 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') @@ -124,27 +78,14 @@ def GetSlivers(data, fullupdate=True): if network['is_primary'] and network['bwlimit'] is not None: DEFAULT_ALLOCATION['net_max_rate'] = network['bwlimit'] / 1000 -### Emulab-specific hack begins here - emulabdelegate = { - 'instantiation': 'plc-instantiated', - 'keys': '''ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEA5Rimz6osRvlAUcaxe0YNfGsLL4XYBN6H30V3l/0alZOSXbGOgWNdEEdohwbh9E8oYgnpdEs41215UFHpj7EiRudu8Nm9mBI51ARHA6qF6RN+hQxMCB/Pxy08jDDBOGPefINq3VI2DRzxL1QyiTX0jESovrJzHGLxFTB3Zs+Y6CgmXcnI9i9t/zVq6XUAeUWeeXA9ADrKJdav0SxcWSg+B6F1uUcfUd5AHg7RoaccTldy146iF8xvnZw0CfGRCq2+95AU9rbMYS6Vid8Sm+NS+VLaAyJaslzfW+CAVBcywCOlQNbLuvNmL82exzgtl6fVzutRFYLlFDwEM2D2yvg4BQ== root@boss.emulab.net''', - 'name': 'utah_elab_delegate', - 'timestamp': data['timestamp'], - 'type': 'delegate', - 'vref': None - } - database.db.deliver_record(emulabdelegate) -### Emulab-specific hack ends here - - - initscripts_by_id = {} + # Take intscripts (global) returned by API, make dict + initscripts = {} for is_rec in data['initscripts']: - initscripts_by_id[str(is_rec['initscript_id'])] = is_rec['script'] + logger.verbose("initscript: %s" % is_rec['name']) + initscripts[str(is_rec['name'])] = is_rec['script'] - # remove slivers not on the whitelist - whitelist_regex = whitelistfilter() - for sliver in data['slivers']: + logger.verbose("sm:GetSlivers in slivers loop") rec = sliver.copy() rec.setdefault('timestamp', data['timestamp']) @@ -156,50 +97,58 @@ def GetSlivers(data, fullupdate=True): keys = rec.pop('keys') rec.setdefault('keys', '\n'.join([key_struct['key'] for key_struct in keys])) - rec.setdefault('type', attr_dict.get('type', 'sliver.VServer')) + ## 'Type' isn't returned by GetSlivers() for whatever reason. We're overloading + ## instantiation here, but i suppose its the ssame 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')) - is_id = attr_dict.get('plc_initscript_id') - if is_id is not None and is_id in initscripts_by_id: - rec['initscript'] = initscripts_by_id[is_id] + + # 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'] = '' - rec.setdefault('delegations', []) # XXX - delegation not yet supported + + # 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: amt = int(attr_dict[resname]) + try: + t = type(default_amt) + amt = t.__new__(t, attr_dict[resname]) except (KeyError, ValueError): amt = default_amt rspec[resname] = amt - # disable sliver - m = whitelist_regex.search(sliver['name']) - if m == None: - rspec['whitelist'] = 0 - rspec['enabled'] = 0 + # 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() - - # 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 + accounts.Startingup = False def deliver_ticket(data): return GetSlivers(data, fullupdate=False) 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.deliver_ticket = deliver_ticket + api_calls.deliver_ticket = deliver_ticket api.start()