from sets import Set
VSYSCONF="/etc/vsys.conf"
-VSYSBKEND="/tmp/vsys"
+VSYSBKEND="/vsys"
def start(options, config):
pass
def GetSlivers(data):
"""For each sliver with the vsys attribute, set the script ACL, create the vsys directory in the slice, and restart vsys."""
# Touch ACLs and create dict of available
- scripts = dict.fromkeys(touchAcls(),[])
+ scripts = {}
+ for script in touchAcls(): scripts[script] = []
# slices that need to be written to the conf
slices = []
# Parse attributes and update dict of scripts
for sliver in data['slivers']:
for attribute in sliver['attributes']:
- if attribute['name'] == 'vsys':
- # add to conf
- slices.append(sliver['name'])
- # As the name implies, when we find an attribute, we
- createVsysDir(sliver['name'])
+ if attribute['tagname'] == 'vsys':
+ if sliver['name'] not in slices:
+ # add to conf
+ slices.append(sliver['name'])
+ # As the name implies, when we find an attribute, we
+ createVsysDir(sliver['name'])
# add it to our list of slivers that need vsys
if attribute['value'] in scripts.keys():
- scripts[attribute['value']].append(slice['name'])
+ scripts[attribute['value']].append(sliver['name'])
# Write the conf
writeConf(slices, parseConf())
# Write out the ACLs
- if writeAcls(scripts, parseAcls()):
+ if writeAcls(scripts, parseAcls()):
logger.log("vsys: restarting vsys service")
os.system("/etc/init.d/vsys restart")
+
def createVsysDir(sliver):
'''Create /vsys directory in slice. Update vsys conf file.'''
- try: os.makedirs("/vservers/%s/vsys" % sliver['name'])
+ try: os.makedirs("/vservers/%s/vsys" % sliver)
except OSError: pass
-def touchAcls()
+def touchAcls():
'''Creates empty acl files for scripts.
To be ran in case of new scripts that appear in the backend.
Returns list of available scripts.'''
for (root, dirs, files) in os.walk(VSYSBKEND):
for file in files:
if file.endswith(".acl"):
- acls.append(file.rstrip(".acl")
+ acls.append(file.rstrip(".acl"))
else:
scripts.append(file)
-
for new in (Set(scripts) - Set(acls)):
- logger.log("vsys: Found new script %s. Writing empty acl.")
+ logger.log("vsys: Found new script %s. Writing empty acl." % new)
f = open("%s/%s.acl" %(VSYSBKEND, new), "w")
f.write("\n")
f.close()
'''Creates .acl files for script in the script repo.'''
# Check each oldscript entry to see if we need to modify
_restartvsys = False
+ # for iteritems along dict(oldscripts), if length of values
+ # not the same as length of values of new scripts,
+ # and length of non intersection along new scripts is not 0,
+ # then dicts are different.
for (acl, oldslivers) in oldscripts.iteritems():
if (len(oldslivers) != len(currentscripts[acl])) or \
- (len(Set(oldslivers) - Set(currentscript[acl])) != 0:
+ (len(Set(oldslivers) - Set(currentscripts[acl])) != 0):
_restartvsys = True
- logger.log("vsys: Updating %s.acl w/ slices %s" % (acl, currentscripts[acl])
+ logger.log("vsys: Updating %s.acl w/ slices %s" % (acl, currentscripts[acl]))
f = open("%s/%s.acl" % (VSYSBKEND, acl), "w")
for slice in currentscripts[acl]: f.write("%s\n" % slice)
f.close()
def parseAcls():
'''Parse the frontend script acls. Return {script: [slices]} in conf.'''
# make a dict of what slices are in what acls.
+ scriptacls = {}
for (root, dirs, files) in os.walk(VSYSBKEND):
for file in files:
if file.endswith(".acl"):
def writeConf(slivers, oldslivers):
# Check if this is needed
+ # The assumption here is if lengths are the same,
+ # and the non intersection of both arrays has length 0,
+ # then the arrays are identical.
if (len(slivers) != len(oldslivers)) or \
- (len(Set(oldslivers) - Set(slivers)) ! = 0):
+ (len(Set(oldslivers) - Set(slivers)) != 0):
logger.log("vsys: Updating %s" % VSYSCONF)
f = open(VSYSCONF,"w")
for sliver in slivers:
f.truncate()
f.close()
-def parseConf();
+
+def parseConf():
'''Parse the vsys conf and return list of slices in conf.'''
scriptacls = {}
slicesinconf = []
- f = open(VSYSCONF)
- for line in f.readlines():
- (slice, path) = line.split()
- slicesinconf.append(slice)
- f.close()
+ try:
+ f = open(VSYSCONF)
+ for line in f.readlines():
+ (path, slice) = line.split()
+ slicesinconf.append(slice)
+ f.close()
+ except: logger.log_exc()
return slicesinconf
-
-