import delegate
import logger
import sliver_vs
+import string,re
DEFAULT_ALLOCATION = {
'enabled': 1,
+ 'whitelist': 1,
# CPU parameters
'cpu_min': 0, # ms/s
'cpu_share': 32, # proportional share
'net_thresh_kbyte': 4529848, #Kbyte
'net_i2_max_kbyte': 17196646,
'net_i2_thresh_kbyte': 13757316,
- 'disk_max': 5000000 # bytes
+ # 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,
}
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
for is_rec in data['initscripts']:
initscripts_by_id[str(is_rec['initscript_id'])] = is_rec['script']
+ # remove slivers not on the whitelist
+ whitelist_regex = whitelistfilter()
+
for sliver in data['slivers']:
rec = sliver.copy()
rec.setdefault('timestamp', data['timestamp'])
try: amt = int(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
+
database.db.deliver_record(rec)
if fullupdate: database.db.set_min_timestamp(data['timestamp'])
database.db.sync()