X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=plugins%2Fvsys.py;h=8d4f34cccc05782189583e6c56e029c02e0e2055;hb=854fdfe526baa82adf31f14cac8a62223b310050;hp=5c9b753c952f346f36b155896bd76e9b33dbb1d4;hpb=8a73c41fa38f330fd125d85d693d1390ea2477a4;p=nodemanager.git diff --git a/plugins/vsys.py b/plugins/vsys.py index 5c9b753..8d4f34c 100644 --- a/plugins/vsys.py +++ b/plugins/vsys.py @@ -1,16 +1,12 @@ -# $Id$ -# $URL$ - """vsys configurator. Maintains ACLs and script pipes inside vservers based on slice attributes.""" import logger import os -from sets import Set VSYSCONF="/etc/vsys.conf" VSYSBKEND="/vsys" -def start(options, conf): +def start(): logger.log("vsys: plugin starting up...") def GetSlivers(data, config=None, plc=None): @@ -39,7 +35,7 @@ def GetSlivers(data, config=None, plc=None): _restart = createVsysDir(sliver['name']) or _restart if attribute['value'] in scripts.keys(): scripts[attribute['value']].append(sliver['name']) - + # Write the conf _restart = writeConf(slices, parseConf()) or _restart # Write out the ACLs @@ -50,15 +46,15 @@ def GetSlivers(data, config=None, plc=None): def createVsysDir(sliver): '''Create /vsys directory in slice. Update vsys conf file.''' - try: + try: os.mkdir("/vservers/%s/vsys" % sliver) return True - except OSError: + except OSError: return False def touchAcls(): - '''Creates empty acl files for scripts. + '''Creates empty acl files for scripts. To be ran in case of new scripts that appear in the backend. Returns list of available scripts.''' acls = [] @@ -71,12 +67,12 @@ def touchAcls(): acls.append(file.replace(".acl", "")) else: scripts.append(file) - for new in (Set(scripts) - Set(acls)): + for new in (set(scripts) - set(acls)): logger.log("vsys: Found new script %s. Writing empty acl." % new) f = open("%s/%s.acl" %(VSYSBKEND, new), "w") f.write("\n") f.close() - + return scripts @@ -89,13 +85,16 @@ def writeAcls(currentscripts, oldscripts): # 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(currentscripts[acl])) != 0): - _restartvsys = True - 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() + try: + if (len(oldslivers) != len(currentscripts[acl])) or \ + (len(set(oldslivers) - set(currentscripts[acl])) != 0): + _restartvsys = True + 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() + except KeyError: + logger.log("vsys: #:)# Warning,Not a valid Vsys script,%s"%acl) # Trigger a restart return _restartvsys @@ -110,7 +109,7 @@ def parseAcls(): f = open(root+"/"+file,"r+") scriptname = file.replace(".acl", "") scriptacls[scriptname] = [] - for slice in f.readlines(): + for slice in f.readlines(): scriptacls[scriptname].append(slice.rstrip()) f.close() # return what scripts are configured for which slices. @@ -123,7 +122,7 @@ def writeConf(slivers, oldslivers): # 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: @@ -139,7 +138,7 @@ def parseConf(): '''Parse the vsys conf and return list of slices in conf.''' scriptacls = {} slicesinconf = [] - try: + try: f = open(VSYSCONF) for line in f.readlines(): (path, slice) = line.split()