def walk(self, oid):
"""
Perform an SNMP walk
Params
-----
oid : string
The starting OID
"""
version = '-v1'
if self.version == 2:
version = '-v2'
args = [
snmpwalk_cmd, '-t', '120', version, '-c', self.readCommunity,
self.host, oid
]
Log.debug(100, ' '.join(args))
(output, exitcode) = Command.run(args)
values = None
if exitcode == 0 and output:
values = []
for line in output:
line.rstrip('\n')
if len(line) > 0:
values.append(self.parseSNMPLine(line))
return values
def clone(self, params):
if params is None:
raise ValueError('zfs clone function received no parameters')
command = ['clone']
snapshot = params.get('src', None)
properties = params.get('properties', None)
dest = params.get('dst', None)
createParent = params.get('createParent', None)
if not snapshot:
raise ValueError('zfs clone function needs a snapshot parameter')
if not dest:
raise ValueError('zfs clone function needs a dest parameter')
if createParent:
command.append('-p')
if not properties is None:
for property, value in properties.iteritems():
command.append('-o')
command.append('%s=%s' % (property, value))
command.append(snapshot)
command.append(dest)
if self.all.has_key(snapshot):
if self.all.has_key(dest):
Log.info('%s already exists. Not creating clone' % dest)
else:
self.run(command)
else:
raise ValueError('Snapshot %s does not exist, clone %s cannot be created' % (snapshot, dest))
def create_tpg(self, target, tag):
tpg_list = self.target[target.wwn]['tpg']
tpg_list_tag = tpg_list.get(tag, None)
if tpg_list_tag is None:
Log.info('creating tpg (%s, %s)' % (target, tag))
# Create and configure the target portal group
tpg = TPG(target, tag)
tpg.set_attribute("authentication", 0)
tpg.enable = 1
# Set up the list of TPGs for this target
tpg_list[tag] = {
'tpg': tpg,
'acl': {'mapped_lun': {}},
'lun': {},
'portal': {}
}
else:
Log.info('tpg (%s, %s) already exists, not creating' %
(target, tag))
tpg = tpg_list[tag]['tpg']
return tpg
def parseSNMPLine(self, line):
"""
Private member, parses a line of output from snmpwalk
Returns
-------
A tuple (oid, value)
"""
oid = None
value = None
# Split the line on the first '=' character
parts = line.split('=', 1)
if len(parts) == 2:
oid = parts[0].rstrip().lstrip()
value = parts[1].rstrip().lstrip()
valueParts = value.split(':', 1)
if len(valueParts) == 2:
type = valueParts[0].rstrip().lstrip()
value = valueParts[1].rstrip().lstrip()
if type == 'STRING':
value = value.rstrip('"').lstrip('"')
else:
Log.error('Cannot parse SNMP value: "%s"' % (valueType))
else:
Log.error('Cannot parse SNMP key/value pair: "%s"' % (line))
return (oid, value)
def parseSNMPLine(self, line):
"""
Private member, parses a line of output from snmpwalk
Returns
-------
A tuple (oid, value)
"""
oid = None
value = None
# Split the line on the first '=' character
parts = line.split('=', 1)
if len(parts) == 2:
oid = parts[0].rstrip().lstrip()
value = parts[1].rstrip().lstrip()
valueParts = value.split(':', 1)
if len(valueParts) == 2:
type = valueParts[0].rstrip().lstrip()
value = valueParts[1].rstrip().lstrip()
if type == 'STRING':
value = value.rstrip('"').lstrip('"')
else:
Log.error('Cannot parse SNMP value: "%s"' % (valueType))
else:
Log.error('Cannot parse SNMP key/value pair: "%s"' % (line))
return (oid, value)
def walk(self, oid):
"""
Perform an SNMP walk
Params
-----
oid : string
The starting OID
"""
version = '-v1'
if self.version == 2:
version = '-v2'
args = [snmpwalk_cmd, '-t', '120', version, '-c', self.readCommunity, self.host, oid]
Log.debug(100, ' '.join(args))
(output, exitcode) = Command.run(args)
values = None
if exitcode == 0 and output:
values = []
for line in output:
line.rstrip('\n')
if len(line) > 0:
values.append(self.parseSNMPLine(line))
return values
def putDocument(self, docId, params):
"""
PUT a document on the CouchDB server. If the document
already exists, you will need to pass in a _rev param
with the revision you would like to update. The
saveDocument() method handles this for you, if all
you want to do is save a document, regardless of whether
or not it already exists.
Params
------
docId : string
The unique ID of the document
params : dictionary
A dictionary of parameters that define the document
"""
path = '/%s/%s' % (self.db, docId.replace(' ', '+'))
Log.debug(100, 'Putting %s' % path)
connection = httplib.HTTPConnection(self.host, self.port)
connection.connect()
params['updatedAt'] = CouchDB.now()
connection.request('PUT', path,
json.dumps(params),
{
'Content-Type': 'application/json'
})
result = json.loads(connection.getresponse().read())
if result.has_key(u'error'):
Log.error('PUT %s: %s' % (path, result))
return result
def __init__(self, params):
Log.info('params: %s' % params)
required = ['target_ip', 'target_wwn', 'target_lun', 'target_part', 'console_port', 'console_speed', 'console_params', 'ctrl_iface', 'ctrl_mac', 'initiator_fqdn', 'initiator_wwn']
missing = []
for arg in required:
if params.get(arg, None) is None:
missing.append(arg)
Log.info(params)
if len(missing) == 1:
raise ValueError('Missing parameter: %s' % missing[0])
elif len(missing) > 1:
raise ValueError('Missing parameters: %s' % ', '.join(missing))
params['device'] = self.iscsi_device(params)
params['chroot'] = self.chroot_dir(params)
# Something outside this library lowercase the wwn, so
# we lowercase the input to stay consistent
params['target_wwn'] = params['target_wwn'].lower()
self.prep(params)
def powerState(self):
"""
Get the power state for all slots
"""
walkAttr = 'remoteControlBladePowerState'
oid = 'BLADE-MIB::%s' % walkAttr
# Start async snmpwalk. This call returns immediately
# and spawns a background thread to perform the SNMPWalk
snmpWalk = SNMPWalk.withConfigFile(self.host, oid)
state = []
# While the snmpwalk is running
while not snmpWalk.eof:
# Get snmp oid/value pairs off the queue
while not snmpWalk.queue.empty():
(oid, value) = snmpWalk.queue.get()
(mibName, attr, lastOctet) = snmpWalk.extractOidParts(oid)
if attr == walkAttr:
if value == 'on(1)':
state.append(1)
else:
state.append(0)
snmpWalk.join()
Log.debug(100, 'ch %03d power state: %s' % (self.num, state))
return state
def powerState(self):
"""
Get the power state for all slots
"""
walkAttr = 'remoteControlBladePowerState'
oid = 'BLADE-MIB::%s' % walkAttr
# Start async snmpwalk. This call returns immediately
# and spawns a background thread to perform the SNMPWalk
snmpWalk = SNMPWalk.withConfigFile(self.host, oid)
state = []
# While the snmpwalk is running
while not snmpWalk.eof:
# Get snmp oid/value pairs off the queue
while not snmpWalk.queue.empty():
(oid, value) = snmpWalk.queue.get()
(mibName, attr, lastOctet) = snmpWalk.extractOidParts(oid)
if attr == walkAttr:
if value == 'on(1)':
state.append(1)
else:
state.append(0)
snmpWalk.join()
Log.debug(100, 'ch %03d power state: %s' % (self.num, state))
return state
def retrieveWithMac(cls, couch, mac):
"""
Find a slot that matches the specified mac address
Params
------
couch: object
couch database connection
mac: string
The mac address for which to search
Returns
-------
Dictionary of key/value pairs for the slot that matches the specified mac address
"""
if mac == 'not available' or mac == 'not installed':
return None
output = couch.getView('slot', 'mac_to_slot', mac)
Log.debug(200, output)
if output and len(output) > 0:
key, value = output.popitem()
if value:
return value
return None
def create_tpg(self, target, tag):
tpg_list = self.target[target.wwn]['tpg']
tpg_list_tag = tpg_list.get(tag, None)
if tpg_list_tag is None:
Log.info('creating tpg (%s, %s)' % (target, tag))
# Create and configure the target portal group
tpg = TPG(target, tag)
tpg.set_attribute("authentication", 0)
tpg.enable = 1
# Set up the list of TPGs for this target
tpg_list[tag] = {
'tpg': tpg,
'acl': {
'mapped_lun': {}
},
'lun': {},
'portal': {}
}
else:
Log.info('tpg (%s, %s) already exists, not creating' %
(target, tag))
tpg = tpg_list[tag]['tpg']
return tpg
def getViewDict(self, design, view, params = {}):
"""
Get a view, return the results as a dictionary of key => values.
If the particular key occurs multiple times, then the value will
be an array of values for that key
Params
------
design: string
The design document name
view: string
The view name
params: dictv
Dictionary of parameters:
key: The key to which results will be limited
start: The starting key for the range to which results will be
limited
end: The ending key for the range to which results will be limited
includeDocs: Set this to anything, and the entire document will
be returned as the value
Returns
-------
A dictionary of view key/value pairs. If no results were returned, then
None is returned
"""
path = self.getViewPath(design, view, params)
Log.debug(10, 'Getting view path %s' % path)
output = self.getDocument(path)
results = {}
if output.has_key(u'total_rows'):
Log.debug(10, '%s returned %s rows' % (path, output[u'total_rows']))
if output.has_key(u'rows'):
for row in output[u'rows']:
key = row[u'key']
value = row.get(u'value', None)
if params.has_key('includeDocs'):
value = row.get(u'doc', None)
# If this key is already in the results, then append this value
# to the list
if results.has_key(key):
storedValue = results[key]
# If the stored value is a dict, change to an array of dicts
if isinstance(storedValue, (frozenset, list, set, tuple)):
storedValue.append(value)
value = storedValue
else:
value = [storedValue, value]
results[key] = value
# If no results, then return a None object
if len(results) <= 0:
results = {}
return results
def discoverIncorrectBIOSSettings(cls, expectedFilename, dumpCmd):
"""
Discover incorrect BIOS settings
Params
------
expectedFilename: string
A filename of expected bios settings
dumpCmd: array
Command to dump bios settings
Returns
A dictionary of key value pairs of incorrect bios settings
"""
try:
# Read expected bios settings
expectedFile = Blade.openFile(expectedFilename)
expected = Blade.parseBios(expectedFile)
# Read actual bios settings
(actualFile, exitcode) = Command.run(dumpCmd)
actual = Blade.parseBios(actualFile)
return Blade.compareBiosSettings(expected, actual)
except (OSError, IOError) as e:
Log.error(str(e))
sys.exit(1)
return None
def retrieveWithMac(cls, couch, mac):
"""
Find a slot that matches the specified mac address
Params
------
couch: object
couch database connection
mac: string
The mac address for which to search
Returns
-------
Dictionary of key/value pairs for the slot that matches the specified mac address
"""
if mac == 'not available' or mac == 'not installed':
return None
output = couch.getView('slot', 'mac_to_slot', mac)
Log.debug(200, output)
if output and len(output) > 0:
key, value = output.popitem()
if value:
return value
return None
def discoverIncorrectBIOSSettings(cls, expectedFilename, dumpCmd):
"""
Discover incorrect BIOS settings
Params
------
expectedFilename: string
A filename of expected bios settings
dumpCmd: array
Command to dump bios settings
Returns
A dictionary of key value pairs of incorrect bios settings
"""
try:
# Read expected bios settings
expectedFile = Blade.openFile(expectedFilename)
expected = Blade.parseBios(expectedFile)
# Read actual bios settings
(actualFile, exitcode) = Command.run(dumpCmd)
actual = Blade.parseBios(actualFile)
return Blade.compareBiosSettings(expected, actual)
except (OSError, IOError) as e:
Log.error(str(e))
sys.exit(1)
return None
def powerCycle(self):
"""
Power cycle all slots
"""
if self.ping():
for slot in range(1, 15):
self.powerCycleSlot(slot)
else:
Log.info('%s not pingable, cannot power cycle all blades' % self.host)
def collectChassisInfo(self, snmp):
"""
Retrieve chassis information
"""
for (attr, oid) in self.chassisOidDict.items():
values = snmp.walk(oid)
if values:
Log.debug(10, '%s: %s' % (attr, values[0][1]))
setattr(self, attr, values[0][1])
def collectChassisInfo(self, snmp):
"""
Retrieve chassis information
"""
for (attr, oid) in self.chassisOidDict.items():
values = snmp.walk(oid)
if values:
Log.debug(10, '%s: %s' % (attr, values[0][1]))
setattr(self, attr, values[0][1])
def create(self, params):
'''zfs create
params -- { name: name,
properties: {property: value, p2: v2, ...},
volume: {size: size, sparse: true|false}
createParent: true or false} }
'''
# If no arguments provided, return immediately
if params is None:
raise ValueError('zfs create function received no parameters')
command = ['create']
name = params.get('name', None)
properties = params.get('properties', None)
volume = params.get('volume', None)
createParent = params.get('createParent', None)
if not name:
raise ValueError('zfs create function needs a name parameter')
if createParent:
command.append('-p')
if not properties is None:
for property, value in properties.iteritems():
command.append('-o')
command.append('%s=%s' % (property, value))
if not volume is None:
size = volume.get('size', None)
sparse = volume.get('sparse', None)
if not size:
raise ValueError('Volumes must have a size attribute')
command.append('-V')
command.append(size)
if sparse and sparse != False:
command.append('-s')
command.append(name)
# Flag is set if the dataset is created
created = None
if self.all.has_key(name):
if volume:
Log.info('%s already exists. Not creating volume' % name)
else:
Log.info('%s already exists. Not creating filesystem' % name)
else:
self.run(command)
created = True
return created
def create_mapped_lun(self, acl, num, lun):
mapped_lun = None
if not list(acl.mapped_luns):
Log.info('creating mapped lun (%s, %s, %s)' % (acl, num, lun))
mapped_lun = MappedLUN(acl, num, lun)
else:
Log.info('mapped lun (%s, %s, %s) already exists' %
(acl, num, lun))
return mapped_lun
def create_mapped_lun(self, acl, num, lun):
mapped_lun = None
if not list(acl.mapped_luns):
Log.info('creating mapped lun (%s, %s, %s)' % (acl, num, lun))
mapped_lun = MappedLUN(acl, num, lun)
else:
Log.info('mapped lun (%s, %s, %s) already exists' %
(acl, num, lun))
return mapped_lun
def run(self, args):
'''Run a zfs command'''
cmd = args
cmd.insert(0, self.zfs)
output = ''
try:
Log.info(' '.join(cmd))
output = subprocess.check_output(cmd, stderr=subprocess.STDOUT).split('\n')
except subprocess.CalledProcessError, e:
raise ValueError(str(e.output))
def powerCycle(self):
"""
Power cycle all slots
"""
if self.ping():
for slot in range(1, 15):
self.powerCycleSlot(slot)
else:
Log.info('%s not pingable, cannot power cycle all blades' %
self.host)
def create_task(self, job_type_name):
try:
args = self.array_parser.parse_args()
details = LUNCloneJob.with_args(args, job_type_name)
Log.info('%s job %s added to queue' % (job_type_name, details.id))
return {'status': 'ok', 'job_id': details.id}, 201
except (Exception), e:
Log.error('%s:\n%s' % (str(e), traceback.format_exc()))
return {'status': str(e),
'stacktrace': traceback.format_exc()}, 501
def collectAndClearEventLog(self, couch):
log = {}
# OIDs to retrieve
oids = ['BLADE-MIB::readEnhancedEventLogAttribute', 'BLADE-MIB::readEnhancedEventLogMessage']
# Get the mapping of blade serial numbers to blade document ids
serialNumberToDocId = Blade.serialNumberToDocId(couch)
for oid in oids:
# Start async snmpwalk. This call returns immediately
# and spawns a background thread to perform the SNMPWalk
snmpWalk = SNMPWalk.withConfigFile(self.host, oid)
# While the snmpwalk is running
while not snmpWalk.eof:
# Get snmp oid/value pairs off the queue
while not snmpWalk.queue.empty():
(oid, value) = snmpWalk.queue.get()
(mibName, oidBase, lastOctet) = snmpWalk.extractOidParts(oid)
if oidBase != 'readEnhancedEventLogNumber':
# Start with an empty dictionary
dict = {}
# Get the existing log entry, if it exists
if log.has_key(lastOctet):
dict = log[lastOctet]
# Update the dictionary with this line from the snmpwalk
if oidBase == 'readEnhancedEventLogAttribute':
dict.update(self.parseEventLogAttribute(value, serialNumberToDocId))
else:
match = re.search('^Text:(.*)$', value)
if match:
value = match.group(1)
dict.update({'message': value})
# Update the log entry list
log[lastOctet] = dict
# On the final snmp walk command, create CouchDB objects
if dict and oidBase == 'readEnhancedEventLogMessage':
logEntry = LogEntry(dict)
logEntry.persist(couch)
# Join snmpwalk background thread
snmpWalk.join()
snmp = SNMP.withConfigFile(self.host)
snmp.set('BLADE-MIB::clearEventLog.0', 'i', '1')
Log.info('%s system log entries collected from %s' % (len(log), self.name))
def run(self, args):
'''Run a command, capture stderr and report the exception, if an exception happens'''
Log.info('%s' % ' '.join(args))
pipes = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
stdout, stderr = pipes.communicate()
if pipes.returncode != 0:
# an error happened!
err_msg = "%s. Code: %s" % (stderr.strip(), pipes.returncode)
raise Exception(err_msg)
def run(cls, args):
output = None
exitCode = 0
try:
Log.debug(100, ' '.join(args))
proc = Popen(args, stdout=PIPE)
output = proc.communicate()[0].split('\n')
exitCode = proc.returncode
except (OSError) as e:
Log.error(str(e))
return (output, exitCode)
def powerOnOff(self, func):
"""
Power on / off all slots in the chassis
func: int
0 = off, 1 = on, 2 = soft off
"""
if self.ping():
for slot in range(1, 15):
self.powerOnOffSlot(slot, func)
else:
Log.info('%s is not pingable, cannot apply power func %d all slots' % (self.host, func))
def run(cls, args):
output = None
exitCode = 0
try:
Log.debug(100, " ".join(args))
proc = Popen(args, stdout=PIPE)
output = proc.communicate()[0].split("\n")
exitCode = proc.returncode
except (OSError) as e:
Log.error(str(e))
return (output, exitCode)
def delete_block_store(self, name):
store = self.block_store.get(name)
# If blockstore doesn't exist, do not proceed
if store is None:
Log.info('No block store %s. Not deleting' % name)
return
Log.info('deleting block store %s' % (name))
# Delete the block store. The backing device, file, etc, still exists
store.delete()
del self.block_store[name]
def delete_block_store(self, name):
store = self.block_store.get(name)
# If blockstore doesn't exist, do not proceed
if store is None:
Log.info('No block store %s. Not deleting' % name)
return
Log.info('deleting block store %s' % (name))
# Delete the block store. The backing device, file, etc, still exists
store.delete()
del self.block_store[name]
def getView(self, design, view, key = None):
"""
Get a view
Params
------
design: string
The design document name
view: string
The view name
key: string (optional)
a key to select
Returns
-------
A dictionary of view key/value pairs. If no results were returned, then
None is returned
"""
path = '_design/%s/_view/%s' % (design, view)
if key:
path = '%s?key="%s"' % (path, key)
output = self.getDocument(path)
results = {}
if output.has_key(u'total_rows'):
Log.debug(10, '%s returned %s rows' % (path, output[u'total_rows']))
if output.has_key(u'rows'):
for row in output[u'rows']:
value = row[u'value']
key = row[u'key']
if results.has_key(key):
storedValue = results[key]
# If the stored value is a dict, change to an array of dicts
if isinstance(storedValue, (frozenset, list, set, tuple)):
storedValue.append(value)
value = storedValue
else:
value = [storedValue, value]
results[key] = value
# If no results, then return a None object
if len(results) <= 0:
results = {}
return results
def process(self):
try:
errors = []
for task in LUNCloneJob.pending():
try:
Log.info('%s job %s started' %
(task.job_type.code, task.id))
task.set_status_start_job()
if task.is_create():
self.create_clones(task)
else:
self.delete_clones(task)
task.set_status_complete()
Log.info('%s job %s completed' %
(task.job_type.code, task.id))
except (Exception), e:
error = u'%s:\n%s' % (str(e), traceback.format_exc())
Log.error('%s job %s failed' %
(task.job_type.code, task.id))
Log.error(error)
task.set_status_failed(error)
errors.append(task.error)
if len(errors) > 0:
message = {'message': errors}
return {'status': 'error',
'errors': errors}
def remove_clone(self, task, zfs, args):
# If deleteClones = true, then the dst parameter is also required.
deleteClones = args.get('deleteClones', None)
if deleteClones:
if args.get('dst', None) is None:
message = {'message': 'deleteClones parameter requires dst '
'parameter'}
return message
zfs.destroy(args)
else:
Log.info('Delete task %s did not specify deleteClones param for %s'
% (task.id, args[u'dst']))
def snapshot(self, params):
if params is None:
raise ValueError('zfs snapshot function received no parameters')
name = params.get('name', None)
if name is None:
raise ValueError('zfs snapshot function needs a name parameter')
if not self.all.has_key(name):
command = ['snapshot', name]
self.run(command)
else:
Log.info('%s already exists. Not creating snapshot' % name)
def process(self):
try:
errors = []
for task in LUNCloneJob.pending():
try:
Log.info('%s job %s started' %
(task.job_type.code, task.id))
task.set_status_start_job()
if task.is_create():
self.create_clones(task)
else:
self.delete_clones(task)
task.set_status_complete()
Log.info('%s job %s completed' %
(task.job_type.code, task.id))
except (Exception), e:
error = u'%s:\n%s' % (str(e), traceback.format_exc())
Log.error('%s job %s failed' %
(task.job_type.code, task.id))
Log.error(error)
task.set_status_failed(error)
errors.append(task.error)
if len(errors) > 0:
message = {'message': errors}
return {'status': 'error', 'errors': errors}
def powerOnOff(self, func):
"""
Power on / off all slots in the chassis
func: int
0 = off, 1 = on, 2 = soft off
"""
if self.ping():
for slot in range(1, 15):
self.powerOnOffSlot(slot, func)
else:
Log.info(
'%s is not pingable, cannot apply power func %d all slots' %
(self.host, func))
def run(self):
"""
Perform an SNMP walk
"""
version = '-v1'
if self.version == 2:
version = '-v2'
command = [
snmpwalk_cmd, '-t', '120', version, '-c', self.readCommunity,
self.host, self.oid
]
Log.debug(100, ' '.join(command))
# Launch the command as subprocess.
process = subprocess.Popen(command,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
# Launch the asynchronous readers of the process' stdout and stderr.
stdoutQueue = Queue.Queue()
stdoutReader = AsynchronousFileReader(process.stdout, stdoutQueue)
stdoutReader.start()
stderrQueue = Queue.Queue()
stderrReader = AsynchronousFileReader(process.stderr, stderrQueue)
stderrReader.start()
# Check the queues if we received some output (until there is nothing more to get).
while not stdoutReader.eof() or not stderrReader.eof():
# Show what we received from standard output.
while not stdoutQueue.empty():
line = stdoutQueue.get()
self.queue.put(self.split(line))
# Show what we received from standard error.
while not stderrQueue.empty():
line = stderrQueue.get()
print 'Received line on standard error: ' + repr(line)
# Sleep a bit before asking the readers again.
time.sleep(.1)
# Let's be tidy and join the threads we've started.
stdoutReader.join()
stderrReader.join()
# Close subprocess' file descriptors.
process.stdout.close()
process.stderr.close()
def bladeInfo(self, snmp, inOid):
"""
Retrieve information about blades in a chassis
"""
values = snmp.walk(inOid)
slotValues = []
for (oid, value) in values:
slot = snmp.extractLastOctet(oid)
if slot:
slotValues.append( (slot, value) )
if not slotValues:
Log.error('No results for %s %s' % (host, inOid))
return slotValues
def bladeInfo(self, snmp, inOid):
"""
Retrieve information about blades in a chassis
"""
values = snmp.walk(inOid)
slotValues = []
for (oid, value) in values:
slot = snmp.extractLastOctet(oid)
if slot:
slotValues.append((slot, value))
if not slotValues:
Log.error('No results for %s %s' % (host, inOid))
return slotValues
def create_portal(self, tpg, ip, port):
portal = None
portal_id = self.get_portal_id(ip, port)
wwn = tpg.parent_target.wwn
portal_list = self.target[wwn]['tpg'][tpg.tag]['portal']
if portal_id in portal_list:
Log.info('portal %s already exists, not creating' % (portal_id))
portal = portal_list[portal_id]
else:
Log.info('creating portal (%s, %s, %s)' % (tpg, ip, port))
portal = NetworkPortal(tpg, ip, port)
portal_list[portal_id] = portal
return portal
def create_acl(self, tpg, initiator_name):
acl = None
wwn = tpg.parent_target.wwn
acl_list = self.target[wwn]['tpg'][tpg.tag]['acl']
if initiator_name in acl_list:
Log.info('acl (%s, %s) already exists, not creating' %
(tpg, initiator_name))
acl = acl_list[initiator_name]
else:
Log.info('creating acl (%s, %s)' % (tpg, initiator_name))
acl = NodeACL(tpg, initiator_name)
acl_list[initiator_name] = acl
return acl
def create_portal(self, tpg, ip, port):
portal = None
portal_id = self.get_portal_id(ip, port)
wwn = tpg.parent_target.wwn
portal_list = self.target[wwn]['tpg'][tpg.tag]['portal']
if portal_id in portal_list:
Log.info('portal %s already exists, not creating' % (portal_id))
portal = portal_list[portal_id]
else:
Log.info('creating portal (%s, %s, %s)' % (tpg, ip, port))
portal = NetworkPortal(tpg, ip, port)
portal_list[portal_id] = portal
return portal
def create_acl(self, tpg, initiator_name):
acl = None
wwn = tpg.parent_target.wwn
acl_list = self.target[wwn]['tpg'][tpg.tag]['acl']
if initiator_name in acl_list:
Log.info('acl (%s, %s) already exists, not creating' %
(tpg, initiator_name))
acl = acl_list[initiator_name]
else:
Log.info('creating acl (%s, %s)' % (tpg, initiator_name))
acl = NodeACL(tpg, initiator_name)
acl_list[initiator_name] = acl
return acl
def destroy(self, params):
# Verify that parameters were received
if params is None:
raise ValueError('zfs destroy function received no parameters')
# Get the name
name = params.get('dst', None)
if not name:
raise ValueError('zfs destroy function needs a name parameter')
if self.all.has_key(name):
command = ['destroy', name]
self.run(command)
else:
Log.info('%s does not exist. Cannot destroy' % name)
def create_lun(self, tpg, blockstore):
wwn = tpg.parent_target.wwn
lun_list = self.target[wwn]['tpg'][tpg.tag]['lun']
lun = lun_list.get(blockstore.name, None)
if lun is None:
Log.info('creating lun %s, blockstore %s' % (tpg, blockstore))
# Create the LUN
lun = LUN(tpg, 0, blockstore)
# Add it to the local data structure for tracking LUNs
lun_list[blockstore.name] = lun
else:
# LUN already exists
Log.info('lun %s already exists, not creating' % (blockstore.name))
return lun
def delete(self, params):
"""
Delete a document. Params must have an _id and _rev param
"""
path = '/%s/%s?rev=%s' % (self.db, params['_id'].replace(' ', '+'), params['_rev'].replace(' ', '+'))
Log.debug(10, 'DELETE %s' % path)
connection = httplib.HTTPConnection(self.host, self.port)
connection.connect()
connection.request('DELETE', path)
result = json.loads(connection.getresponse().read())
if result.has_key(u'error'):
if result[u'error'] != u'not_found':
Log.error('GET %s: %s' % (path, result))
return result
def create_lun(self, tpg, blockstore):
wwn = tpg.parent_target.wwn
lun_list = self.target[wwn]['tpg'][tpg.tag]['lun']
lun = lun_list.get(blockstore.name, None)
if lun is None:
Log.info('creating lun %s, blockstore %s' % (tpg, blockstore))
# Create the LUN
lun = LUN(tpg, 0, blockstore)
# Add it to the local data structure for tracking LUNs
lun_list[blockstore.name] = lun
else:
# LUN already exists
Log.info('lun %s already exists, not creating' % (blockstore.name))
return lun
def create_target(self, wwn):
target_dict = self.target.get(wwn, None)
target = None
if target_dict is None:
Log.info('creating target with wwn %s' % (wwn))
# The wwn will be lowercased automatically by something
# outside this library. I'm not sure if its RTSLib or
# the underlying Linux target system
target = Target(self.iscsi, wwn)
# Add target to data structure, initialize empty child nodes
self.target[wwn] = {'target': target, 'tpg': {}}
else:
Log.info('target %s already exists, not creating' % (wwn))
target = target_dict['target']
return target
def remove_clone(self, task, zfs, args):
# If deleteClones = true, then the dst parameter is also required.
deleteClones = args.get('deleteClones', None)
if deleteClones:
if args.get('dst', None) is None:
message = {
'message': 'deleteClones parameter requires dst '
'parameter'
}
return message
zfs.destroy(args)
else:
Log.info(
'Delete task %s did not specify deleteClones param for %s' %
(task.id, args[u'dst']))
def allBladesFailToNetboot(cls, couch):
"""
Find a list of chassis where all blades failed to netboot
Params
------
couch: object
A CouchDB object
Returns
-------
A list of chassis docId
"""
results = couch.getView('blade', 'failed_netboot')
chassis = {}
failedChassis = []
for bladeDocId in results:
slotInfo = Slot.retrieveWithMac(couch, bladeDocId)
chassisDocId = None
slotNum = None
if slotInfo:
Log.debug(200, 'slotInfo: %s' % slotInfo)
if slotInfo.has_key(u'chassisDocId'):
chassisDocId = slotInfo[u'chassisDocId']
if slotInfo.has_key(u'num'):
slotNum = slotInfo[u'num']
if chassisDocId and slotInfo:
if chassis.has_key(chassisDocId):
chassis[chassisDocId].append(slotNum)
else:
chassis[chassisDocId] = [slotNum]
for chassisDocId in sorted(chassis.iterkeys()):
slots = chassis[chassisDocId]
if len(slots) >= 14:
failedChassis.append(chassisDocId)
return failedChassis
def mount(self, params):
'''Mount an image
Parameters
----------
params : string
Image parameter dictionary
'''
chroot = params['chroot']
device = params['device']
Log.info('device %s' % device)
# Sanity check, destination shouldn't be a file
if os.path.isfile(chroot):
log_error_node(params, '%s is a file, can not mount %s at this location' % (chroot, device, params['vnode_name']))
return
# Make sure the destination exists
if not os.path.exists(chroot):
log_info_node(params, 'mkdir %s' % chroot)
os.makedirs(chroot)
# If the destination is already mounted, then
# no need to mount again. It's likely the correctly mounted
# device from a previous prep run that died
if not os.path.ismount(chroot):
log_info_node(params, 'mount %s %s' % (device, chroot))
self.run([mount_cmd, device, chroot])
else:
log_info_node(params, '%s already mounted, hoping for the best' % chroot)
# Mount /sys, /proc and /dev in image chroot
bind_mounts = ['/sys', '/proc', '/dev']
if not os.path.ismount(chroot):
log_error_node(params, 'mount of %s failed, cannot mount %s in chroot' % (chroot, bind_mounts))
else:
for bind_mount in bind_mounts:
dest = chroot + bind_mount
log_info_node(params, 'mount -o bind %s %s' % (bind_mount, dest))
self.run([mount_cmd, '-o', 'bind', bind_mount, dest])
def getDocument(self, docId):
"""
GET a document from the server
Params
------
docId : string
The unique ID of the document
"""
path = '/%s/%s' % (self.db, docId.replace(' ', '+'))
connection = httplib.HTTPConnection(self.host, self.port)
connection.connect()
connection.request('GET', path)
result = json.loads( connection.getresponse().read())
if result.has_key(u'error'):
if result[u'error'] != u'not_found':
Log.error('GET %s: %s' % (path, result))
return result
