def stop(role=None, cli=False, pause=False, unmap=False, **kwargs):
if role:
try:
p = peers[role]
except KeyError:
raise Error("Invalid peer %s" % role)
return stop_peer(p, cli)
# check devices
if cli:
print "===================="
print "Stoping archipelago"
print "===================="
print ""
if config["BLKTAP_ENABLED"] and loaded_module('blktap'):
mapped = vlmc_get_mapped()
if mapped and len(mapped) > 0:
if not pause:
vlmc_showmapped()
print ""
if unmap:
print red("Mapped volumes exist, unmapping...")
try:
for m in mapped:
vlmc_unmap_volume(m.device)
except Error as e:
raise Error("Error while umapping volume, during "
"shutdown: %s" % e)
else:
raise Error("Found mapped volumes, cannot stop "
"Archipelago")
else:
for m in mapped:
if not VlmcTapdisk.is_paused(m.device):
VlmcTapdisk.pause(m.device)
mapped = vlmc_get_mapped()
if mapped and len(mapped) > 0:
vlmc_showmapped()
print ""
if pause:
import operator
if not reduce(
operator.and_,
[VlmcTapdisk.is_paused(m.device) for m in mapped], True):
raise Error("Found unpaused volume, cannot stop "
"Archipelago")
else:
raise Error("Found more mapped volumes, cannot stop "
"Archipelago")
stop_peers(peers, cli)
time.sleep(0.5)
get_segment().destroy()
def stop(role=None, cli=False, pause=False, unmap=False, **kwargs):
if role:
try:
p = peers[role]
except KeyError:
raise Error("Invalid peer %s" % role)
return stop_peer(p, cli)
# check devices
if cli:
print "===================="
print "Stoping archipelago"
print "===================="
print ""
if config["BLKTAP_ENABLED"] and loaded_module('blktap'):
mapped = vlmc_get_mapped()
if mapped and len(mapped) > 0:
if not pause:
vlmc_showmapped()
print ""
if unmap:
print red("Mapped volumes exist, unmapping...")
try:
for m in mapped:
vlmc_unmap_volume(m.device)
except Error as e:
raise Error("Error while umapping volume, during "
"shutdown: %s" % e)
else:
raise Error("Found mapped volumes, cannot stop "
"Archipelago")
else:
for m in mapped:
if not VlmcTapdisk.is_paused(m.device):
VlmcTapdisk.pause(m.device)
mapped = vlmc_get_mapped()
if mapped and len(mapped) > 0:
vlmc_showmapped()
print ""
if pause:
import operator
if not reduce(operator.and_, [VlmcTapdisk.is_paused(m.device)
for m in mapped],
True):
raise Error("Found unpaused volume, cannot stop "
"Archipelago")
else:
raise Error("Found more mapped volumes, cannot stop "
"Archipelago")
stop_peers(peers, cli)
time.sleep(0.5)
get_segment().destroy()
def stop(role=None, cli=False, force=False, **kwargs):
try:
if config['BLKTAP_ENABLED'] is False and vlmc_get_mapped():
vlmc_showmapped()
raise Error("Cannot stop archipelago. Mapped volumes exist")
except VlmcTapdiskException:
pass
if role:
try:
p = peers[role]
except KeyError:
raise Error("Invalid peer %s" % role)
return stop_peer(p, cli)
#check devices
if cli:
print "===================="
print "Stoping archipelago"
print "===================="
print ""
if config["BLKTAP_ENABLED"] and loaded_module('blktap'):
mapped = vlmc_get_mapped()
if mapped and len(mapped) > 0:
if not force:
vlmc_showmapped()
raise Error("Cannot stop archipelago. Mapped volumes exist")
for m in mapped:
if not VlmcTapdisk.is_paused(m.device):
VlmcTapdisk.pause(m.device)
stop_peers(peers, cli)
time.sleep(0.5)
get_segment().destroy()
def start(role=None, cli=False, **kwargs):
if role:
try:
p = peers[role]
except KeyError:
raise Error("Invalid peer %s" % role)
return start_peer(p, cli)
if status() > 0:
raise Error("Cannot start. Try stopping first")
if cli:
print "===================="
print "Starting archipelago"
print "===================="
print ""
try:
#get_segment().create()
#time.sleep(0.5)
create_posixfd_dirs()
start_peers(peers, cli)
if config["BLKTAP_ENABLED"]:
load_module("blktap", None)
mapped = vlmc_get_mapped()
if mapped and len(mapped) > 0:
for m in mapped:
if VlmcTapdisk.is_paused(m.device):
VlmcTapdisk.unpause(m.device)
except Exception as e:
if cli:
print red(e)
stop(role, cli, force=True)
def status(cli=False, **kwargs):
r = 0
if config["BLKTAP_ENABLED"]:
if not loaded_module("blktap"):
for role, _ in reversed(config['roles']):
p = peers[role]
if peer_running(p, cli):
r += 1
if cli:
pretty_print("blktap", red('Not loaded'))
return r
if cli:
if vlmc_showmapped() > 0:
r += 1
else:
mapped = vlmc_get_mapped()
if mapped and len(mapped) > 0:
for m in mapped:
if not VlmcTapdisk.is_paused(m.device):
r += 1
if loaded_module("blktap"):
if cli:
pretty_print("blktap", green('Loaded'))
#r += 1
else:
if cli:
pretty_print("blktap", red('Not loaded'))
for role, _ in reversed(config['roles']):
p = peers[role]
if peer_running(p, cli):
r += 1
try:
if config['BLKTAP_ENABLED'] is False and vlmc_get_mapped():
print red("Mapped volumes exist while blktap module is disabled.")
vlmc_showmapped()
r += 1
except VlmcTapdiskException:
pass
return r
