X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sliver_libvirt.py;h=753b0c3a297dfb112d38801cec8948f6267750d6;hb=fa19441939777aab18e5d13d688542f145f9b1db;hp=619448fdb76a010eb87ab89586dcac087386ece8;hpb=9810ffaa90bac99bbe7a5b18ae914f649193ef8a;p=nodemanager.git diff --git a/sliver_libvirt.py b/sliver_libvirt.py index 619448f..753b0c3 100644 --- a/sliver_libvirt.py +++ b/sliver_libvirt.py @@ -9,7 +9,7 @@ import libvirt from account import Account import logger -import bwlimit +import plnode.bwlimit as bwlimit import cgroups STATES = { @@ -135,31 +135,82 @@ class Sliver_Libvirt(Account): # Btrfs support quota per volumes - # It will depend on the FS selection - if rec.has_key('disk_max'): - disk_max = rec['disk_max'] - if disk_max == 0: - # unlimited - pass + if rec.has_key("rspec") and rec["rspec"].has_key("tags"): + if cgroups.get_cgroup_path(self.name) == None: + # If configure is called before start, then the cgroups won't exist + # yet. NM will eventually re-run configure on the next iteration. + # TODO: Add a post-start configure, and move this stuff there + logger.log("Configure: postponing tag check on %s as cgroups are not yet populated" % self.name) else: - # limit to certain number - pass - - # Memory allocation - if rec.has_key('memlock_hard'): - mem = rec['memlock_hard'] * 1024 # hard limit in bytes - cgroups.write(self.name, 'memory.limit_in_bytes', mem) - if rec.has_key('memlock_soft'): - mem = rec['memlock_soft'] * 1024 # soft limit in bytes - cgroups.write(self.name, 'memory.soft_limit_in_bytes', mem) - - # CPU allocation - # Only cpu_shares until figure out how to provide limits and guarantees - # (RT_SCHED?) - if rec.has_key('cpu_share'): - cpu_share = rec['cpu_share'] - cgroups.write(self.name, 'cpu.shares', cpu_share) + tags = rec["rspec"]["tags"] + # It will depend on the FS selection + if tags.has_key('disk_max'): + disk_max = tags['disk_max'] + if disk_max == 0: + # unlimited + pass + else: + # limit to certain number + pass + + # Memory allocation + if tags.has_key('memlock_hard'): + mem = str(int(tags['memlock_hard']) * 1024) # hard limit in bytes + cgroups.write(self.name, 'memory.limit_in_bytes', mem, subsystem="memory") + if tags.has_key('memlock_soft'): + mem = str(int(tags['memlock_soft']) * 1024) # soft limit in bytes + cgroups.write(self.name, 'memory.soft_limit_in_bytes', mem, subsystem="memory") + + # CPU allocation + # Only cpu_shares until figure out how to provide limits and guarantees + # (RT_SCHED?) + if tags.has_key('cpu_share'): + cpu_share = tags['cpu_share'] + cgroups.write(self.name, 'cpu.shares', cpu_share) # Call the upper configure method (ssh keys...) Account.configure(self, rec) + # A placeholder until we get true VirtualInterface objects + @staticmethod + def get_interfaces_xml(rec): + xml = """ + + + +""" + try: + tags = rec['rspec']['tags'] + if 'interface' in tags: + interfaces = eval(tags['interface']) + if not isinstance(interfaces, (list, tuple)): + # if interface is not a list, then make it into a singleton list + interfaces = [interfaces] + tag_xml = "" + for interface in interfaces: + if 'vlan' in interface: + vlanxml = "" % interface['vlan'] + else: + vlanxml = "" + if 'bridge' in interface: + tag_xml = tag_xml + """ + + + %s + + + """ % (interface['bridge'], vlanxml) + else: + tag_xml = tag_xml + """ + + + + """ + xml = tag_xml + logger.log('sliver_libvirty.py: interface XML is: %s' % xml) + + except: + logger.log('sliver_libvirt.py: ERROR parsing "interface" tag for slice %s' % rec['name']) + logger.log('sliver_libvirt.py: tag value: %s' % tags['interface']) + + return xml