def create(dbg, qemudisk, uri, img_qemu_uri):
log.debug("%s: xcpng.qemudisk.create: uri: %s " % (dbg, uri))
vdi_uuid = utils.get_vdi_uuid_by_uri(dbg, uri)
sr_uuid = utils.get_sr_uuid_by_uri(dbg, uri)
vdi_type = utils.get_vdi_type_by_uri(dbg, uri)
if vdi_type not in IMAGE_TYPES:
raise Exception('Incorrect VDI type')
utils.mkdir_p(QEMU_DP_SOCKET_DIR, 0o0700)
nbd_sock = QEMU_DP_SOCKET_DIR + "/qemu-nbd.{}".format(vdi_uuid)
qmp_sock = QEMU_DP_SOCKET_DIR + "/qmp_sock.{}".format(vdi_uuid)
qmp_log = QEMU_DP_SOCKET_DIR + "/qmp_log.{}".format(vdi_uuid)
log.debug("%s: xcpng.qemudisk.create: Spawning qemu process for VDI %s with qmp socket at %s"
% (dbg, vdi_uuid, qmp_sock))
cmd = [QEMU_DP, qmp_sock]
try:
log_fd = open(qmp_log, 'w+')
p = subprocess.Popen(cmd, stdout=log_fd, stderr=log_fd)
except Exception as e:
log.error("%s: xcpng.qemudisk.create: Failed to create qemu_dp instance: uri %s" %
(dbg, uri))
try:
log_fd.close()
except:
pass
raise Exception(e)
log.debug("%s: xcpng.qemudisk.create: New qemu process has pid %d" % (dbg, p.pid))
return qemudisk(dbg, sr_uuid, vdi_uuid, vdi_type, img_qemu_uri, p.pid, qmp_sock, nbd_sock, qmp_log)
def sr_import(self, dbg, uri, configuration):
log.debug(
"%s: xcpng.librbd.sr.SROperations.sr_import: uri: %s configuration %s"
% (dbg, uri, configuration))
cluster = ceph_cluster(dbg, get_cluster_name_by_uri(dbg, uri))
pool_name = get_sr_name_by_uri(dbg, uri)
try:
cluster.connect()
if not cluster.pool_exists(pool_name):
raise Exception("CEPH pool %s doesn\'t exist" % pool_name)
except Exception as e:
log.debug(
"%s: xcpng.librbd.sr.SROperations.get_vdi_list: uri: Failed to destroy SR: uri: %s"
% dbg, uri)
raise Exception(e)
finally:
cluster.shutdown()
mkdir_p("%s/%s" % (SR_PATH_PREFIX, get_sr_uuid_by_uri(dbg, uri)))
def sr_import(self, dbg, uri, configuration):
log.debug(
"%s: xcpng.libsbd.sr.SROperations.sr_import: uri: %s configuration %s"
% (dbg, uri, configuration))
if 'bindnetaddr' not in configuration:
raise Exception(
'Failed to connect to Sheepdog cluster. Parameter \'bindnetaddr\' is not specified'
)
elif 'mcastaddr' not in configuration:
raise Exception(
'Failed to connect to Sheepdog cluster. Parameter \'mcastaddr\' is not specified'
)
elif 'mcastport' not in configuration:
raise Exception(
'Failed to connect to Sheepdog cluster. Parameter \'mcastport\' is not specified'
)
sr_uuid = get_sr_uuid_by_uri(dbg, uri)
create_chroot(dbg, sr_uuid)
set_chroot(dbg, sr_uuid)
write_corosync_conf(
dbg, sr_uuid,
gen_corosync_conf(dbg, configuration['bindnetaddr'],
configuration['mcastaddr'],
configuration['mcastport']))
start_sheepdog_gateway(dbg, get_sheep_port(dbg, sr_uuid), sr_uuid)
mkdir_p("%s/%s" % (SR_PATH_PREFIX, get_sr_uuid_by_uri(dbg, uri)))
call(dbg, [
'ln', '-s',
"%s/%s/var/lib/sheepdog/sock" %
(CHROOT_BASE, get_sr_uuid_by_uri(dbg, uri)),
"%s/%s/sock" % (SR_PATH_PREFIX, get_sr_uuid_by_uri(dbg, uri))
])