def sys_info(query_type=None):
"""
Provide system information based on the query_type
Valid query types are: ipv4_addresses, checkconf and checkversions
**RESTRICTED**
"""
if query_type == 'ipv4_addresses':
return jsonify(data=ipv4_addresses()), 200
elif query_type == 'checkconf':
local_hash = gen_file_hash('/etc/ceph/iscsi-gateway.cfg')
return jsonify(data=local_hash), 200
elif query_type == 'checkversions':
config_errors = pre_reqs_errors()
if config_errors:
return jsonify(data=config_errors), 500
else:
return jsonify(data='checks passed'), 200
else:
# Request Unknown
return jsonify(message="Unknown /sysinfo query"), 404
def __init__(self, logger, iqn, gateway_ip_list, enable_portal=True):
"""
Instantiate the class
:param iqn: iscsi iqn name for the gateway
:param gateway_ip_list: list of IP addresses to be defined as portals
to LIO
:return: gateway object
"""
self.error = False
self.error_msg = ''
self.enable_portal = enable_portal # boolean to trigger portal
# IP creation
self.logger = logger # logger object
self.iqn = iqn
# If the ip list received has data in it, this is a target we need to
# act on the IP's provided, otherwise just set to null
if gateway_ip_list:
# if the ip list provided doesn't match any ip of this host, abort
# the assumption here is that we'll only have one matching ip in
# the list!
matching_ip = set(gateway_ip_list).intersection(ipv4_addresses())
if len(list(matching_ip)) == 0:
self.error = True
self.error_msg = ("gateway IP addresses provided do not match"
" any ip on this host")
return
self.active_portal_ip = list(matching_ip)[0]
self.logger.debug("active portal will use "
"{}".format(self.active_portal_ip))
self.gateway_ip_list = gateway_ip_list
self.logger.debug("tpg's will be defined in this order"
" - {}".format(self.gateway_ip_list))
else:
# without gateway_ip_list passed in this is a 'init' or
# 'clearconfig' request
self.gateway_ip_list = []
self.active_portal_ip = []
self.changes_made = False
self.config_updated = False
# self.portal = None
self.target = None
self.tpg = None
self.tpg_list = []
self.config = Config(self.logger)
if self.config.error:
self.error = self.config.error
self.error_msg = self.config.error_msg
self.controls = self.config.config.get('controls', {}).copy()
self._add_properies()
def is_cleanup_host(config):
"""
decide which gateway host should be responsible for any non-specific
updates to the config object
:param config: configuration dict from the rados pool
:return: boolean indicating whether the addition cleanup should be
performed by the running host
"""
cleanup = False
if 'ip_list' in config.config["gateways"]:
gw_1 = config.config["gateways"]["ip_list"][0]
usable_ip = get_ip(gw_1)
if usable_ip != '0.0.0.0':
if usable_ip in ipv4_addresses():
cleanup = True
return cleanup
def is_cleanup_host(config):
"""
decide which gateway host should be responsible for any non-specific updates to the
config object
:param config: configuration dict from the rados pool
:return: boolean indicating whether the addition cleanup should be performed
by the running host
"""
cleanup = False
if 'ip_list' in config.config["gateways"]:
gw_1 = config.config["gateways"]["ip_list"][0]
usable_ip = get_ip(gw_1)
if usable_ip != '0.0.0.0':
if usable_ip in ipv4_addresses():
cleanup = True
return cleanup
def __init__(self, logger, iqn, gateway_ip_list, enable_portal=True):
"""
Instantiate the class
:param iqn: iscsi iqn name for the gateway
:param gateway_ip_list: list of IP addresses to be defined as portals to LIO
:return: gateway object
"""
self.error = False
self.error_msg = ''
self.enable_portal = enable_portal # boolean to trigger portal IP creation
self.logger = logger # logger object
self.iqn = iqn
# if the ip list provided doesn't match any ip of this host, abort
# the assumption here is that we'll only have one matching ip in the list!
matching_ip = set(gateway_ip_list).intersection(ipv4_addresses())
if len(list(matching_ip)) == 0:
self.error = True
self.error_msg = "gateway IP addresses provided do not match any ip on this host"
return
self.active_portal_ip = list(matching_ip)[0]
self.logger.debug("active portal will use {}".format(
self.active_portal_ip))
self.gateway_ip_list = gateway_ip_list
self.logger.debug("tpg's will be defined in this order - {}".format(
self.gateway_ip_list))
self.changes_made = False
self.config_updated = False
# self.portal = None
self.target = None
self.tpg = None
self.tpg_list = []
def define_luns(logger, config, gateway):
"""
define the disks in the config to LIO
:param logger: logger object to print to
:param config: configuration dict from the rados pool
:param gateway: (object) gateway object - used for mapping
:raises CephiSCSIError.
"""
local_gw = this_host()
# sort the disks dict keys, so the disks are registered in a specific
# sequence
disks = config.config['disks']
srtd_disks = sorted(disks)
pools = {disks[disk_key]['pool'] for disk_key in srtd_disks}
if pools is None:
logger.info("No LUNs to export")
return True
ips = ipv4_addresses()
with rados.Rados(conffile=settings.config.cephconf) as cluster:
for pool in pools:
logger.debug("Processing rbd's in '{}' pool".format(pool))
with cluster.open_ioctx(pool) as ioctx:
pool_disks = [
disk_key for disk_key in srtd_disks
if disk_key.startswith(pool)
]
for disk_key in pool_disks:
pool, image_name = disk_key.split('.')
try:
with rbd.Image(ioctx, image_name) as rbd_image:
RBDDev.rbd_lock_cleanup(logger, ips, rbd_image)
lun = LUN(logger, pool, image_name,
rbd_image.size(), local_gw)
if lun.error:
raise CephiSCSIError(
"Error defining rbd "
"image {}".format(disk_key))
lun.allocate()
if lun.error:
raise CephiSCSIError("Error unable to "
"register {} with "
"LIO - {}".format(
disk_key,
lun.error_msg))
except rbd.ImageNotFound:
raise CephiSCSIError("Disk '{}' defined to the "
"config, but image '{}' can "
"not be found in '{}' "
"pool".format(
disk_key, image_name,
pool))
# Gateway Mapping : Map the LUN's registered to all tpg's within the
# LIO target
gateway.manage('map')
if gateway.error:
raise CephiSCSIError("Error mapping the LUNs to the tpg's within "
"the iscsi Target")
