def run(self, node):
# here you can relocate your VM in rocks DB
# node is of type rocks.db.mappings.base.Node
if not node.vm_defs.physNode or len(node.vm_defs.disks) <= 0:
raise rocks.util.CommandError("Unable to allocate " + \
"storage for " + node.name)
disk = node.vm_defs.disks[0]
phys = node.vm_defs.physNode.name
sync = self.owner.str2bool(self.db.getHostAttr(phys, 'img_sync'))
sync_virt = self.db.getHostAttr(node.name, 'img_sync')
if (sync_virt is not None):
sync = sync and self.owner.str2bool(sync_virt)
remotepool = self.db.getHostAttr(phys, 'vm_container_zpool')
size = str(disk.size)
volume = node.name + '-vol'
if not (disk.img_nas_server and disk.img_nas_server.server_name):
# the node does not use img-storage system
return
nas_name = disk.img_nas_server.server_name
zpool_name = disk.img_nas_server.zpool_name
# nas, zpool, volume, remotehost, remotepool, size, sync,
launcher = CommandLauncher()
initiator = launcher.callListInitiator(phys)
device = launcher.callAddHostStoragemap(nas_name, zpool_name, volume,
phys, remotepool, size, sync,
initiator)
disk.vbd_type = "phy"
disk.prefix = os.path.dirname(device)
disk.name = os.path.basename(device)
print nas_name + ":" + volume + " mapped to " + phys + ":" + device
return
def run(self, params, args):
(args, nas, zpool, volume, remotehost, size) = self.fillPositionalArgs(
('nas', 'zpool', 'volume', 'remotehost', 'size'))
sync,remotepool, = self.fillParams( [('img_sync', None),('remotepool',None)] )
if not nas or not zpool or not volume or not remotehost or not size:
self.abort("you must pass 5 arguments nas_name zpool volume remotehost size")
if sync is None:
sync = self.db.getHostAttr(remotehost,'img_sync')
sync = False if sync is None else self.str2bool(sync)
if sync and remotepool is None:
self.abort("img_sync was true but not remotepool was specified")
# debugging output
print "mapping ", nas, ":", zpool, "/", volume, " on ", remotehost
launcher = CommandLauncher()
initiator = launcher.callListInitiator(remotehost)
device = launcher.callAddHostStoragemap(nas, zpool, volume, remotehost, remotepool, size, sync,initiator)
self.beginOutput()
self.addOutput(nas, device)
self.endOutput(padChar='')
def run(self, params, args):
if len(args) == 0:
self.abort('Must supply at least one host name')
self.beginOutput()
for host in self.newdb.getNodesfromNames(args, preload=['membership']):
attrs = CommandLauncher().callListAttrs(host.name)
for k in attrs.keys():
self.addOutput(host.name, (k,attrs[k]))
headers=['nas','attr','value']
self.endOutput(headers)
def run(self, params, args):
if len(args) == 0:
self.abort('Must supply at least one host name')
self.beginOutput()
for host in self.newdb.getNodesfromNames(args, preload=['membership']):
attrs = CommandLauncher().callListAttrs(host.name)
for k in attrs.keys():
self.addOutput(host.name, (k,attrs[k]))
headers=['nas','attr','value']
self.endOutput(headers)
def run(self, params, args):
(args, nas) = self.fillPositionalArgs(('nas'))
if not nas:
self.abort("you must enter the nas name")
# debugging output
list = CommandLauncher().callListHostStoragemap(nas)
self.beginOutput()
for d in list:
state = 'mapped'
if (d['remotehost'] == None):
state = 'unmapped'
elif (d['is_sending'] == 1):
state = 'NAS->VM'
elif (d['is_sending'] == 0):
state = 'NAS<-VM'
if (d['is_delete_remote'] == 0):
state += ' sched'
self.addOutput(
nas, (d['zvol'], d['zpool'], d['remotehost'], d['remotepool'],
d['iscsi_target'], state,
str(
datetime.timedelta(seconds=(int(time.time() -
d.get('time')))))
if d.get('time') else None,
time.strftime("%a %H:%M.%S",
time.localtime(int(d.get('nextsync'))))
if d.get('nextsync') and state == "mapped" else None,
True if d['locked'] else None))
headers = [
'nas', 'zvol', 'zpool', 'remotehost', 'remotepool', 'target',
'state', 'time', 'nextsync', 'locked'
]
self.endOutput(headers)
def run(self, params, args):
(args, host) = self.fillPositionalArgs(('host'))
if not host:
self.abort("you must enter the host name")
response = CommandLauncher().callListHostStoragedev(host)
map = response['body']
self.beginOutput()
for volume in map.keys():
self.addOutput(
host,
(volume, map[volume].get('sync'), map[volume].get('target'),
map[volume].get('device'), map[volume].get('status'),
map[volume].get('size'), map[volume].get('bdev'),
map[volume].get('started'), map[volume].get('synced'),
str(
datetime.timedelta(
seconds=(int(time.time() - map[volume].get('time')))))
if map[volume].get('time') else None))
headers = [
'host', 'volume', 'sync', 'target', 'device', 'status',
'size (GB)', 'block dev', 'is started', 'synced', 'time'
]
self.endOutput(headers)
def run(self, params, args):
if len(args) != 3:
self.abort('Must supply at (nas,attr,value) tuple')
(args,nas,attr,value) = self.fillPositionalArgs(('nas','attr','value'))
if value.lower() == "none":
value = None
setDict = {attr:value}
CommandLauncher().callSetAttrs(nas,setDict)
def run(self, params, args):
(args, nas, volume) = self.fillPositionalArgs(('nas', 'volume'))
# debugging output
if not (nas and volume):
self.abort("2 arguments are required for this command nas volume")
# debugging output
print "unmapping ", nas, ":", volume
CommandLauncher().callDelHostStoragemap(nas, volume)
self.beginOutput()
self.addOutput(nas, "Success")
self.endOutput(padChar='')
def run(self, params, args):
(args, nas, zpool, volume) = self.fillPositionalArgs(
('nas', 'zpool', 'volume'))
# debugging output
if not (nas and zpool and volume):
self.abort("3 arguments are required for this command nas zpool volume")
print "removing ", nas, ":", zpool, "/", volume
CommandLauncher().callDelHostStorageimg(nas, zpool, volume)
self.beginOutput()
self.addOutput(nas, "Success")
self.endOutput(padChar='')
def run(self, node):
# here you can disallocate the resource used by your VM
# in rocks DB
# node is of type rocks.db.mappings.base.Node
if not node.vm_defs.physNode or len(node.vm_defs.disks) <= 0:
raise rocks.util.CommandError("Unable to release " + \
"storage for " + node.name)
disk = node.vm_defs.disks[0]
volume = node.name + '-vol'
if not (disk.img_nas_server and disk.img_nas_server.server_name):
# the node does not use img-storage system
return
nas_name = disk.img_nas_server.server_name
CommandLauncher().callDelHostStoragemap(nas_name, volume)
return
def run(self, params, args):
(args, nas, zvol) = self.fillPositionalArgs(('nas', 'zvol'))
if not zvol:
self.abort("you must enter the zvol name")
self.beginOutput()
attrs = CommandLauncher().callListZvolAttrs(nas, zvol)
fields = [
'zvol', 'frequency', 'nextsync', 'uploadspeed', 'downloadspeed'
]
line = []
for f in fields:
line.extend([attrs[f]])
self.addOutput(nas, line)
headers = ['nas']
headers.extend(fields)
self.endOutput(headers)
def run(self, params, args):
(args, nas, volume) = self.fillPositionalArgs(('nas', 'volume'))
(nodetype, ) = self.fillParams([('nodetype', '')])
if not (nas and volume):
self.abort("2 arguments are required for this " + \
"command nas and volume")
if nodetype:
# ok we have to clear either a vmc or a nas
if nodetype == 'vmc' and \
os.path.exists('/etc/init.d/img-storage-vm'):
print " -- clearing VM Container --"
self.clean_vm(nas, volume)
elif nodetype == 'vmc':
self.abort("/etc/init.d/img-storage-vm is missing, "
"are you sure this is a virtual machine "
"container")
elif nodetype == 'nas' and \
os.path.exists('/etc/init.d/img-storage-nas'):
print " -- clearing NAS --"
self.clean_nas(nas, volume)
elif nodetype == 'nas':
self.abort("/etc/init.d/img-storage-nas is missing, "
"are you sure this is a nas enabled for "
"serving VM disk images?")
else:
self.abort("nodetype can be only nas or vmc (%s)" % nodetype)
else:
#no nodetype specified so we need to query the nas
list = CommandLauncher().callListHostStoragemap(nas)
entry = [d for d in list if d['zvol'] == volume]
if len(entry) == 0:
self.abort('Unable to find volume %s on nas %s' %
(volume, nas))
elif len(entry) > 1:
self.abort('Major failure: found %d volumes with '
'the same %s name' % (len(entry), volume))
entry = entry[0]
if entry['remotehost'] == None:
self.abort('Volume %s is unmapped' % volume)
if entry['is_sending'] == 1 or (entry['is_sending'] == 0
and d['is_delete_remote'] != 0):
self.abort(
'Volume %s is currently getting transfered, please wait' %
volume)
# ok we are good to go, we can destroy the mapping
# all possible error situation have been cleared
# clear the remote host first
cmdline = 'rocks clean host storagemap %s %s nodetype=' % (nas,
volume)
print "cleaning ", d['remotehost']
self.command('run.host', [str(d['remotehost']), cmdline + 'vmc'])
# then clean the nas
print "cleaning ", nas
self.command('run.host', [nas, cmdline + 'nas'])
