def setup(cls, t_obj, tpg, err_func):
tpg_obj = cls(t_obj, tag=tpg.get("tag", None))
set_attributes(tpg_obj, tpg.get("attributes", {}), err_func)
set_parameters(tpg_obj, tpg.get("parameters", {}), err_func)
for lun in tpg.get("luns", []):
LUN.setup(tpg_obj, lun, err_func)
for p in tpg.get("portals", []):
NetworkPortal.setup(tpg_obj, p, err_func)
for acl in tpg.get("node_acls", []):
NodeACL.setup(tpg_obj, acl, err_func)
tpg_obj.enable = tpg.get("enable", True)
dict_remove(tpg, ("luns", "portals", "node_acls", "tag", "attributes", "parameters", "enable"))
for name, value in tpg.iteritems():
if value:
try:
setattr(tpg_obj, name, value)
except:
err_func("Could not set tpg %s attribute '%s'" % (tpg_obj.tag, name))
def setup(cls, tpg_obj, acl, err_func):
if "node_wwn" not in acl:
err_func("'node_wwn' missing in node_acl")
return
try:
acl_obj = cls(tpg_obj, acl["node_wwn"])
except RTSLibError as e:
err_func("Error when creating NodeACL for %s: %s" % (acl["node_wwn"], e))
return
set_attributes(acl_obj, acl.get("attributes", {}), err_func)
for mlun in acl.get("mapped_luns", []):
MappedLUN.setup(tpg_obj, acl_obj, mlun, err_func)
dict_remove(acl, ("attributes", "mapped_luns", "node_wwn"))
for name, value in acl.iteritems():
if value:
try:
setattr(acl_obj, name, value)
except:
err_func("Could not set nodeacl %s attribute '%s'" % (acl["node_wwn"], name))
def setup(cls, tpg_obj, acl, err_func):
if 'node_wwn' not in acl:
err_func("'node_wwn' missing in node_acl")
return
try:
acl_obj = cls(tpg_obj, acl['node_wwn'])
except RTSLibError:
err_func("Error when creating NodeACL for %s" % acl['node_wwn'])
return
set_attributes(acl_obj, acl.get('attributes', {}))
for mlun in acl.get('mapped_luns', []):
MappedLUN.setup(tpg_obj, acl_obj, mlun, err_func)
dict_remove(acl, ('attributes', 'mapped_luns', 'node_wwn'))
for name, value in acl.iteritems():
if value:
try:
setattr(acl_obj, name, value)
except:
err_func("Could not set nodeacl %s attribute '%s'" %
(acl['node_wwn'], name))
def setup(cls, tpg_obj, acl, err_func):
if 'node_wwn' not in acl:
err_func("'node_wwn' missing in node_acl")
return
try:
acl_obj = cls(tpg_obj, acl['node_wwn'])
except RTSLibError:
err_func("Error when creating NodeACL for %s" % acl['node_wwn'])
return
set_attributes(acl_obj, acl.get('attributes', {}))
for mlun in acl.get('mapped_luns', []):
MappedLun.setup(tpg_obj, acl_obj, mlun, err_func)
dict_remove(acl, ('attributes', 'mapped_luns', 'node_wwn'))
for name, value in acl.iteritems():
if value:
try:
setattr(acl_obj, name, value)
except:
err_func("Could not set nodeacl %s attribute '%s'" %
(acl['node_wwn'], name))
def setup(cls, t_obj, tpg, err_func):
tpg_obj = cls(t_obj, tag=tpg.get("tag", None))
set_attributes(tpg_obj, tpg.get('attributes', {}), err_func)
set_parameters(tpg_obj, tpg.get('parameters', {}), err_func)
for lun in tpg.get('luns', []):
LUN.setup(tpg_obj, lun, err_func)
for p in tpg.get('portals', []):
NetworkPortal.setup(tpg_obj, p, err_func)
for acl in tpg.get('node_acls', []):
NodeACL.setup(tpg_obj, acl, err_func)
tpg_obj.enable = tpg.get('enable', True)
dict_remove(tpg, ('luns', 'portals', 'node_acls', 'tag', 'attributes',
'parameters', 'enable'))
for name, value in tpg.iteritems():
if value:
try:
setattr(tpg_obj, name, value)
except:
err_func("Could not set tpg %s attribute '%s'" %
(tpg_obj.tag, name))
def setup(cls, t_obj, tpg, err_func):
tpg_obj = cls(t_obj, tag=tpg.get("tag", None))
tpg_obj.enable = tpg.get('enable', True)
set_attributes(tpg_obj, tpg.get('attributes', {}))
set_parameters(tpg_obj, tpg.get('parameters', {}))
for lun in tpg.get('luns', []):
LUN.setup(tpg_obj, lun, err_func)
for p in tpg.get('portals', []):
NetworkPortal.setup(tpg_obj, p, err_func)
for acl in tpg.get('node_acls', []):
NodeACL.setup(tpg_obj, acl, err_func)
dict_remove(tpg, ('luns', 'portals', 'node_acls', 'tag',
'attributes', 'parameters', 'enable'))
for name, value in tpg.iteritems():
if value:
try:
setattr(tpg_obj, name, value)
except:
err_func("Could not set tpg %s attribute '%s'" %
(tpg_obj.tag, name))
def restore(self, config, clear_existing=False, abort_on_error=False):
'''
Takes a dict generated by dump() and reconfigures the target to match.
Returns list of non-fatal errors that were encountered.
'''
if clear_existing:
self.clear_existing(confirm=True)
elif list(self.storage_objects) or list(self.targets):
raise RTSLibError(
"storageobjects or targets present, not restoring." +
" Set clear_existing=True?")
errors = []
if abort_on_error:
def err_func(err_str):
raise RTSLibError(err_str)
else:
def err_func(err_str):
errors.append(err_str + ", skipped")
for index, so in enumerate(config.get('storage_objects', [])):
if 'name' not in so:
err_func("'name' not defined in storage object %d" % index)
continue
try:
so_cls = storageobjects[so['plugin']]
except KeyError:
err_func(
"'plugin' not defined or invalid in storageobject %s" %
so['name'])
continue
kwargs = so.copy()
dict_remove(kwargs,
('exists', 'attributes', 'plugin', 'buffered_mode'))
try:
so_obj = so_cls(**kwargs)
except (TypeError, ValueError):
err_func("Could not create StorageObject %s" % so['name'])
continue
try:
set_attributes(so_obj, so.get('attributes', {}))
except RTSLibError:
err_func("Could not set an attribute for %s" % so['name'])
# Don't need to create fabric modules
for index, fm in enumerate(config.get('fabric_modules', [])):
if 'name' not in fm:
err_func("'name' not defined in fabricmodule %d" % index)
continue
for fm_obj in self.fabric_modules:
if fm['name'] == fm_obj.name:
fm_obj.setup(fm, err_func)
break
for index, t in enumerate(config.get('targets', [])):
if 'wwn' not in t:
err_func("'wwn' not defined in target %d" % index)
continue
if 'fabric' not in t:
err_func("target %s missing 'fabric' field" % t['wwn'])
continue
if t['fabric'] not in (f.name for f in self.fabric_modules):
err_func("Unknown fabric '%s'" % t['fabric'])
continue
fm_obj = FabricModule(t['fabric'])
# Instantiate target
Target.setup(fm_obj, t, err_func)
return errors
def restore(self, config, clear_existing=False):
'''
Takes a dict generated by dump() and reconfigures the target to match.
Returns list of non-fatal errors that were encountered.
'''
if clear_existing:
self.clear_existing(confirm=True)
elif list(self.storage_objects) or list(self.targets):
raise RTSLibError("storageobjects or targets present, not restoring." +
" Set clear_existing=True?")
errors = []
def err_func(err_str):
errors.append(err_str + ", skipped")
for index, so in enumerate(config.get('storage_objects', [])):
if 'name' not in so:
err_func("'name' not defined in storage object %d" % index)
continue
try:
so_cls = storageobjects[so['plugin']]
except KeyError:
err_func("'plugin' not defined or invalid in storageobject %s" % so['name'])
continue
kwargs = so.copy()
dict_remove(kwargs, ('exists', 'attributes', 'plugin', 'buffered_mode'))
try:
so_obj = so_cls(**kwargs)
except (TypeError, ValueError):
err_func("Could not create StorageObject %s" % so['name'])
continue
try:
set_attributes(so_obj, so.get('attributes', {}))
except RTSLibError:
err_func("Could not set an attribute for %s" % so['name'])
# Don't need to create fabric modules
for index, fm in enumerate(config.get('fabric_modules', [])):
if 'name' not in fm:
err_func("'name' not defined in fabricmodule %d" % index)
continue
for fm_obj in self.fabric_modules:
if fm['name'] == fm_obj.name:
fm_obj.setup(fm, err_func)
break
for index, t in enumerate(config.get('targets', [])):
if 'wwn' not in t:
err_func("'wwn' not defined in target %d" % index)
continue
if 'fabric' not in t:
err_func("target %s missing 'fabric' field" % t['wwn'])
continue
if t['fabric'] not in (f.name for f in self.fabric_modules):
err_func("Unknown fabric '%s'" % t['fabric'])
continue
fm_obj = FabricModule(t['fabric'])
# Instantiate target
Target.setup(fm_obj, t, err_func)
return errors
def restore(self, config, clear_existing=False, abort_on_error=False):
'''
Takes a dict generated by dump() and reconfigures the target to match.
Returns list of non-fatal errors that were encountered.
Will refuse to restore over an existing configuration unless clear_existing
is True.
'''
if clear_existing:
self.clear_existing(confirm=True)
elif any(self.storage_objects) or any(self.targets):
raise RTSLibError("storageobjects or targets present, not restoring")
errors = []
if abort_on_error:
def err_func(err_str):
raise RTSLibError(err_str)
else:
def err_func(err_str):
errors.append(err_str + ", skipped")
for index, so in enumerate(config.get('storage_objects', [])):
if 'name' not in so:
err_func("'name' not defined in storage object %d" % index)
continue
try:
so_cls = so_mapping[so['plugin']]
except KeyError:
err_func("'plugin' not defined or invalid in storageobject %s" % so['name'])
continue
kwargs = so.copy()
dict_remove(kwargs, ('exists', 'attributes', 'plugin', 'buffered_mode'))
try:
so_obj = so_cls(**kwargs)
except Exception as e:
err_func("Could not create StorageObject %s: %s" % (so['name'], e))
continue
# Custom err func to include block name
def so_err_func(x):
return err_func("Storage Object %s/%s: %s" % (so['plugin'], so['name'], x))
set_attributes(so_obj, so.get('attributes', {}), so_err_func)
# Don't need to create fabric modules
for index, fm in enumerate(config.get('fabric_modules', [])):
if 'name' not in fm:
err_func("'name' not defined in fabricmodule %d" % index)
continue
for fm_obj in self.fabric_modules:
if fm['name'] == fm_obj.name:
fm_obj.setup(fm, err_func)
break
for index, t in enumerate(config.get('targets', [])):
if 'wwn' not in t:
err_func("'wwn' not defined in target %d" % index)
continue
if 'fabric' not in t:
err_func("target %s missing 'fabric' field" % t['wwn'])
continue
if t['fabric'] not in (f.name for f in self.fabric_modules):
err_func("Unknown fabric '%s'" % t['fabric'])
continue
fm_obj = FabricModule(t['fabric'])
# Instantiate target
Target.setup(fm_obj, t, err_func)
return errors
