def _load_ec_as_default_policy(proxy_conf_file, swift_conf_file, **kwargs):
"""
Override swift.conf [storage-policy:0] section to use a 2+1 EC policy.
:param proxy_conf_file: Source proxy conf filename
:param swift_conf_file: Source swift conf filename
:returns: Tuple of paths to the proxy conf file and swift conf file to use
"""
_debug('Setting configuration for default EC policy')
conf = ConfigParser()
conf.read(swift_conf_file)
# remove existing policy sections that came with swift.conf-sample
for section in list(conf.sections()):
if section.startswith('storage-policy'):
conf.remove_section(section)
# add new policy 0 section for an EC policy
conf.add_section('storage-policy:0')
ec_policy_spec = {
'name': 'ec-test',
'policy_type': 'erasure_coding',
'ec_type': 'liberasurecode_rs_vand',
'ec_num_data_fragments': 2,
'ec_num_parity_fragments': 1,
'ec_object_segment_size': 1048576,
'default': True
}
for k, v in ec_policy_spec.items():
conf.set('storage-policy:0', k, str(v))
with open(swift_conf_file, 'w') as fp:
conf.write(fp)
return proxy_conf_file, swift_conf_file
def _load_ec_as_default_policy(proxy_conf_file, swift_conf_file, **kwargs):
"""
Override swift.conf [storage-policy:0] section to use a 2+1 EC policy.
:param proxy_conf_file: Source proxy conf filename
:param swift_conf_file: Source swift conf filename
:returns: Tuple of paths to the proxy conf file and swift conf file to use
"""
_debug('Setting configuration for default EC policy')
conf = ConfigParser()
conf.read(swift_conf_file)
# remove existing policy sections that came with swift.conf-sample
for section in list(conf.sections()):
if section.startswith('storage-policy'):
conf.remove_section(section)
# add new policy 0 section for an EC policy
conf.add_section('storage-policy:0')
ec_policy_spec = {
'name': 'ec-test',
'policy_type': 'erasure_coding',
'ec_type': 'liberasurecode_rs_vand',
'ec_num_data_fragments': 2,
'ec_num_parity_fragments': 1,
'ec_object_segment_size': 1048576,
'default': True
}
for k, v in ec_policy_spec.items():
conf.set('storage-policy:0', k, str(v))
with open(swift_conf_file, 'w') as fp:
conf.write(fp)
return proxy_conf_file, swift_conf_file
def _in_process_setup_ring(swift_conf, conf_src_dir, testdir):
"""
If SWIFT_TEST_POLICY is set:
- look in swift.conf file for specified policy
- move this to be policy-0 but preserving its options
- copy its ring file to test dir, changing its devices to suit
in process testing, and renaming it to suit policy-0
Otherwise, create a default ring file.
"""
conf = ConfigParser()
conf.read(swift_conf)
sp_prefix = 'storage-policy:'
try:
# policy index 0 will be created if no policy exists in conf
policies = parse_storage_policies(conf)
except PolicyError as e:
raise InProcessException(e)
# clear all policies from test swift.conf before adding test policy back
for policy in policies:
conf.remove_section(sp_prefix + str(policy.idx))
if policy_specified:
policy_to_test = policies.get_by_name(policy_specified)
if policy_to_test is None:
raise InProcessException('Failed to find policy name "%s"'
% policy_specified)
_info('Using specified policy %s' % policy_to_test.name)
else:
policy_to_test = policies.default
_info('Defaulting to policy %s' % policy_to_test.name)
# make policy_to_test be policy index 0 and default for the test config
sp_zero_section = sp_prefix + '0'
conf.add_section(sp_zero_section)
for (k, v) in policy_to_test.get_info(config=True).items():
conf.set(sp_zero_section, k, str(v))
conf.set(sp_zero_section, 'default', 'True')
with open(swift_conf, 'w') as fp:
conf.write(fp)
# look for a source ring file
ring_file_src = ring_file_test = 'object.ring.gz'
if policy_to_test.idx:
ring_file_src = 'object-%s.ring.gz' % policy_to_test.idx
try:
ring_file_src = _in_process_find_conf_file(conf_src_dir, ring_file_src,
use_sample=False)
except InProcessException as e:
if policy_specified:
raise InProcessException('Failed to find ring file %s'
% ring_file_src)
ring_file_src = None
ring_file_test = os.path.join(testdir, ring_file_test)
if ring_file_src:
# copy source ring file to a policy-0 test ring file, re-homing servers
_info('Using source ring file %s' % ring_file_src)
ring_data = ring.RingData.load(ring_file_src)
obj_sockets = []
for dev in ring_data.devs:
device = 'sd%c1' % chr(len(obj_sockets) + ord('a'))
utils.mkdirs(os.path.join(_testdir, 'sda1'))
utils.mkdirs(os.path.join(_testdir, 'sda1', 'tmp'))
obj_socket = listen_zero()
obj_sockets.append(obj_socket)
dev['port'] = obj_socket.getsockname()[1]
dev['ip'] = '127.0.0.1'
dev['device'] = device
dev['replication_port'] = dev['port']
dev['replication_ip'] = dev['ip']
ring_data.save(ring_file_test)
else:
# make default test ring, 3 replicas, 4 partitions, 3 devices
# which will work for a replication policy or a 2+1 EC policy
_info('No source object ring file, creating 3rep/4part/3dev ring')
obj_sockets = [listen_zero() for _ in (0, 1, 2)]
replica2part2dev_id = [[0, 1, 2, 0],
[1, 2, 0, 1],
[2, 0, 1, 2]]
devs = [{'id': 0, 'zone': 0, 'device': 'sda1', 'ip': '127.0.0.1',
'port': obj_sockets[0].getsockname()[1]},
{'id': 1, 'zone': 1, 'device': 'sdb1', 'ip': '127.0.0.1',
'port': obj_sockets[1].getsockname()[1]},
{'id': 2, 'zone': 2, 'device': 'sdc1', 'ip': '127.0.0.1',
'port': obj_sockets[2].getsockname()[1]}]
ring_data = ring.RingData(replica2part2dev_id, devs, 30)
with closing(GzipFile(ring_file_test, 'wb')) as f:
pickle.dump(ring_data, f)
for dev in ring_data.devs:
_debug('Ring file dev: %s' % dev)
return obj_sockets
def _in_process_setup_ring(swift_conf, conf_src_dir, testdir):
"""
If SWIFT_TEST_POLICY is set:
- look in swift.conf file for specified policy
- move this to be policy-0 but preserving its options
- copy its ring file to test dir, changing its devices to suit
in process testing, and renaming it to suit policy-0
Otherwise, create a default ring file.
"""
conf = ConfigParser()
conf.read(swift_conf)
sp_prefix = 'storage-policy:'
try:
# policy index 0 will be created if no policy exists in conf
policies = parse_storage_policies(conf)
except PolicyError as e:
raise InProcessException(e)
# clear all policies from test swift.conf before adding test policy back
for policy in policies:
conf.remove_section(sp_prefix + str(policy.idx))
if policy_specified:
policy_to_test = policies.get_by_name(policy_specified)
if policy_to_test is None:
raise InProcessException('Failed to find policy name "%s"'
% policy_specified)
_info('Using specified policy %s' % policy_to_test.name)
else:
policy_to_test = policies.default
_info('Defaulting to policy %s' % policy_to_test.name)
# make policy_to_test be policy index 0 and default for the test config
sp_zero_section = sp_prefix + '0'
conf.add_section(sp_zero_section)
for (k, v) in policy_to_test.get_info(config=True).items():
conf.set(sp_zero_section, k, v)
conf.set(sp_zero_section, 'default', True)
with open(swift_conf, 'w') as fp:
conf.write(fp)
# look for a source ring file
ring_file_src = ring_file_test = 'object.ring.gz'
if policy_to_test.idx:
ring_file_src = 'object-%s.ring.gz' % policy_to_test.idx
try:
ring_file_src = _in_process_find_conf_file(conf_src_dir, ring_file_src,
use_sample=False)
except InProcessException as e:
if policy_specified:
raise InProcessException('Failed to find ring file %s'
% ring_file_src)
ring_file_src = None
ring_file_test = os.path.join(testdir, ring_file_test)
if ring_file_src:
# copy source ring file to a policy-0 test ring file, re-homing servers
_info('Using source ring file %s' % ring_file_src)
ring_data = ring.RingData.load(ring_file_src)
obj_sockets = []
for dev in ring_data.devs:
device = 'sd%c1' % chr(len(obj_sockets) + ord('a'))
utils.mkdirs(os.path.join(_testdir, 'sda1'))
utils.mkdirs(os.path.join(_testdir, 'sda1', 'tmp'))
obj_socket = listen_zero()
obj_sockets.append(obj_socket)
dev['port'] = obj_socket.getsockname()[1]
dev['ip'] = '127.0.0.1'
dev['device'] = device
dev['replication_port'] = dev['port']
dev['replication_ip'] = dev['ip']
ring_data.save(ring_file_test)
else:
# make default test ring, 3 replicas, 4 partitions, 3 devices
# which will work for a replication policy or a 2+1 EC policy
_info('No source object ring file, creating 3rep/4part/3dev ring')
obj_sockets = [listen_zero() for _ in (0, 1, 2)]
replica2part2dev_id = [[0, 1, 2, 0],
[1, 2, 0, 1],
[2, 0, 1, 2]]
devs = [{'id': 0, 'zone': 0, 'device': 'sda1', 'ip': '127.0.0.1',
'port': obj_sockets[0].getsockname()[1]},
{'id': 1, 'zone': 1, 'device': 'sdb1', 'ip': '127.0.0.1',
'port': obj_sockets[1].getsockname()[1]},
{'id': 2, 'zone': 2, 'device': 'sdc1', 'ip': '127.0.0.1',
'port': obj_sockets[2].getsockname()[1]}]
ring_data = ring.RingData(replica2part2dev_id, devs, 30)
with closing(GzipFile(ring_file_test, 'wb')) as f:
pickle.dump(ring_data, f)
for dev in ring_data.devs:
_debug('Ring file dev: %s' % dev)
return obj_sockets
class SHOUTcasterFavorites:
configfile = "/etc/NETcaster.conf"
def __init__(self):
self.configparser = ConfigParser()
self.configparser.read(self.configfile)
def getStreams(self):
streams = []
sections = self.configparser.sections()
print(sections)
for section in sections:
stream = self.getStreamByName(section)
streams.append(stream)
return streams
def isStream(self, streamname):
if self.configparser.has_section(streamname) is True:
return True
else:
return False
def getStreamByName(self, streamname):
print("[" + myname + "] load " + streamname + " from config")
if self.isStream(streamname) is True:
stream = Stream(streamname,
self.configparser.get(streamname, "description"),
self.configparser.get(streamname, "url"),
type=self.configparser.get(streamname, "type"))
stream.setFavorite(True)
return stream
else:
return False
def addStream(self, stream):
print("[" + myname + "] adding " + stream.getName() + " to config")
try:
self.configparser.add_section(stream.getName())
except DuplicateSectionError as e:
print("[" + myname + "] error while adding stream to config:", e)
return False, e
else:
# XXX: I hope this still works properly if we make a optimistic
# return here since otherwise the interface would need to be changed
# to work with a callback
stream.getURL(boundFunction(self.addStreamCb, stream))
return True, "Stream added"
def addStreamCb(self, stream, url=None):
self.configparser.set(stream.getName(), "description",
stream.getDescription())
self.configparser.set(stream.getName(), "url", url)
self.configparser.set(stream.getName(), "type", stream.getType())
self.writeConfig()
def changeStream(self, streamold, streamnew):
if self.configparser.has_section(streamold.getName()) is False:
return False, "stream not found in config"
elif self.configparser.has_section(streamnew.getName()) is True:
return False, "stream with that name exists already"
else:
self.configparser.remove_section(streamold.getName())
return self.addStream(streamnew)
def deleteStreamWithName(self, streamname):
self.configparser.remove_section(streamname)
self.writeConfig()
def writeConfig(self):
print("[" + myname + "] writing config to " + self.configfile)
fp = open(self.configfile, "w")
self.configparser.write(fp)
fp.close()
def _in_process_setup_ring(swift_conf, conf_src_dir, testdir):
"""
If SWIFT_TEST_POLICY is set:
- look in swift.conf file for specified policy
- move this to be policy-0 but preserving its options
- copy its ring file to test dir, changing its devices to suit
in process testing, and renaming it to suit policy-0
Otherwise, create a default ring file.
"""
conf = ConfigParser()
conf.read(swift_conf)
sp_prefix = "storage-policy:"
try:
# policy index 0 will be created if no policy exists in conf
policies = parse_storage_policies(conf)
except PolicyError as e:
raise InProcessException(e)
# clear all policies from test swift.conf before adding test policy back
for policy in policies:
conf.remove_section(sp_prefix + str(policy.idx))
if policy_specified:
policy_to_test = policies.get_by_name(policy_specified)
if policy_to_test is None:
raise InProcessException('Failed to find policy name "%s"' % policy_specified)
_info("Using specified policy %s" % policy_to_test.name)
else:
policy_to_test = policies.default
_info("Defaulting to policy %s" % policy_to_test.name)
# make policy_to_test be policy index 0 and default for the test config
sp_zero_section = sp_prefix + "0"
conf.add_section(sp_zero_section)
for (k, v) in policy_to_test.get_info(config=True).items():
conf.set(sp_zero_section, k, v)
conf.set(sp_zero_section, "default", True)
with open(swift_conf, "w") as fp:
conf.write(fp)
# look for a source ring file
ring_file_src = ring_file_test = "object.ring.gz"
if policy_to_test.idx:
ring_file_src = "object-%s.ring.gz" % policy_to_test.idx
try:
ring_file_src = _in_process_find_conf_file(conf_src_dir, ring_file_src, use_sample=False)
except InProcessException as e:
if policy_specified:
raise InProcessException("Failed to find ring file %s" % ring_file_src)
ring_file_src = None
ring_file_test = os.path.join(testdir, ring_file_test)
if ring_file_src:
# copy source ring file to a policy-0 test ring file, re-homing servers
_info("Using source ring file %s" % ring_file_src)
ring_data = ring.RingData.load(ring_file_src)
obj_sockets = []
for dev in ring_data.devs:
device = "sd%c1" % chr(len(obj_sockets) + ord("a"))
utils.mkdirs(os.path.join(_testdir, "sda1"))
utils.mkdirs(os.path.join(_testdir, "sda1", "tmp"))
obj_socket = eventlet.listen(("localhost", 0))
obj_sockets.append(obj_socket)
dev["port"] = obj_socket.getsockname()[1]
dev["ip"] = "127.0.0.1"
dev["device"] = device
dev["replication_port"] = dev["port"]
dev["replication_ip"] = dev["ip"]
ring_data.save(ring_file_test)
else:
# make default test ring, 2 replicas, 4 partitions, 2 devices
_info("No source object ring file, creating 2rep/4part/2dev ring")
obj_sockets = [eventlet.listen(("localhost", 0)) for _ in (0, 1)]
ring_data = ring.RingData(
[[0, 1, 0, 1], [1, 0, 1, 0]],
[
{"id": 0, "zone": 0, "device": "sda1", "ip": "127.0.0.1", "port": obj_sockets[0].getsockname()[1]},
{"id": 1, "zone": 1, "device": "sdb1", "ip": "127.0.0.1", "port": obj_sockets[1].getsockname()[1]},
],
30,
)
with closing(GzipFile(ring_file_test, "wb")) as f:
pickle.dump(ring_data, f)
for dev in ring_data.devs:
_debug("Ring file dev: %s" % dev)
return obj_sockets
