def find(executor, alternatives=None):
'''Finds lsdev binary and appropriate wrapper implementation
@param executor: a command executor instance
@type executor: command.Executor
@return: lsdev command implementation
@rtype: lsdev.Cmd
@raise command.NotFoundException: in case if `lsdev` command is not available
@raise service_loader.NoImplementationException: in case if no `lsdev` wrapper available
'''
alternatives = alternatives or bin_alternatives
try:
bin = is_command_available.find_first(alternatives, executor)
except service_loader.NoImplementationException:
bin = first(alternatives)
if not bin:
raise command.NotFoundException(
'No lsdev binary found among provided path alternatives.')
lsdev_impls = service_loader.global_lookup[Cmd]
for lsdev_impl in lsdev_impls:
if Sfn(lsdev_impl.is_applicable)(bin, executor):
return partial(lsdev_impl, bin=bin)
raise service_loader.NoImplementationException('No lsdev impl found')
def find(executor, alternatives=None):
'''Finds vmkmgmt_keyval binary and appropriate wrapper implementation
@param executor: a command executor instance
@type executor: command.Executor
@return: vmkmgmt_keyval command implementation
@rtype: vmkmgmt_keyval.Cmd
@raise command.NotFoundException: in case if `vmkmgmt_keyval` command is not available
@raise service_loader.NoImplementationException: in case if no `vmkmgmt_keyval` wrapper available
'''
alternatives = alternatives or bin_alternatives
try:
bin = is_command_available.find_first(alternatives, executor)
except service_loader.NoImplementationException:
bin = first(alternatives)
if not bin:
raise command.NotFoundException(
'No vmkmgmt_keyval binary found among provided path alternatives')
vmkmgmt_keyval_impls = (Cmd, )
for vmkmgmt_keyval_impl in vmkmgmt_keyval_impls:
if Sfn(vmkmgmt_keyval_impl.is_applicable)(bin, executor):
return partial(vmkmgmt_keyval_impl, bin=bin)
raise service_loader.NoImplementationException(
'No vmkmgmt_keyval impl found')
def find(executor, alternatives=None):
'''Finds lscfg binary and appropriate wrapper implementation
@param executor: a command executor instance
@type executor: command.Executor
@return: lscfg command implementation
@rtype: lscfg_aix.Cmd
@raise command.NotFoundException: in case if `lscfg`
command is not available
@raise service_loader.NoImplementationException: in case if no
`lscfg` wrapper available
'''
alternatives = alternatives or bin_alternatives
try:
bin = is_command_available.find_first(alternatives, executor)
except service_loader.NoImplementationException:
bin = first(alternatives)
if not bin:
raise command.NotFoundException('No lscfg binary found')
lscfg_impls = [Cmd, ]
for lscfg_impl in lscfg_impls:
if lscfg_impl.is_applicable(bin, executor):
return partial(lscfg_impl, bin=bin)
raise service_loader.NoImplementationException('No lscfg impl found')
def find_first(alternatives, executor):
'''Finds first binary among provided alternatives that is available on
target destination or None if no binary available
@param alternatimes: sequence o binaries to search for availability
@param alternatives: seq[basestring]
@param executor: a command executor instance
@type executor: command.Executor
@return: first binary available on target destination
@rtype: basestring or None
@raise service_loader.NoImplementationException: in case if
no is_command_available.Discoverer implementation found
to perform a check
'''
def is_command_available(bin):
is_available_cmd = Discoverer.find_impl(bin, executor)
return is_available_cmd.is_available(bin, executor)
has_at_least_one_implementation = False
for alternative in alternatives:
try:
if is_command_available(alternative):
return alternative
has_at_least_one_implementation = True
except service_loader.NoImplementationException:
pass
if not has_at_least_one_implementation:
raise service_loader.NoImplementationException(
'No is_command_available impl found')
def find(executor, alternatives=None):
'''Finds lsdev binary and creates vio lsdev wrapper on success
@param executor: a command executor instance
@type executor: command.Executor
@return: lsdev command implementation
@rtype: lsdev_aix_vio_server_impl.Cmd
@raise command.NotFoundException: in case if `lsdev` command
is not available
@raise service_loader.NoImplementationException: in case if no `lsdev`
wrapper available
'''
alternatives = alternatives or bin_alternatives
try:
bin = is_command_available.find_first(alternatives, executor)
except service_loader.NoImplementationException:
bin = first(alternatives)
if not bin:
raise command.NotFoundException('No lsdev binary found')
lsdev_impl = Cmd
if lsdev_impl.is_applicable(bin, executor):
return partial(lsdev_impl, bin=bin)
raise service_loader.NoImplementationException('No lsdev impl found')
def find(executor, alternatives=None):
'''Finds fcinfo binary and appropriate wrapper implementation
@param executor: a command executor instance
@type executor: command.Executor
@return: fcinfo command implementation
@rtype: fcinfo_solaris.Cmd
@raise command.NotFoundException: in case if `fcinfo`
command is not available
@raise service_loader.NoImplementationException: in case if no
`fcinfo` wrapper available
'''
alternatives = alternatives or bin_alternatives
try:
bin = is_command_available.find_first(alternatives, executor)
except service_loader.NoImplementationException:
bin = first(alternatives)
if not bin:
raise command.NotFoundException('No fcinfo binary found')
fcinfo_impls = [
Cmd,
]
for fcinfo_impl in fcinfo_impls:
if fcinfo_impl.is_applicable(bin, executor):
return partial(fcinfo_impl, bin=bin)
raise service_loader.NoImplementationException('No fcinfo impl found')
def find(tools):
impls = service_loader.global_lookup[Cmd]
for impl in impls:
is_applicable = webseal_wiring.wired()(impl.is_applicable)
if Sfn(is_applicable)(**tools):
return impl.create(**tools)
raise service_loader.NoImplementationException('No pdadmin impl found')
def find_impl(cls, executor):
'''Finds implementation of vital_product_data.Discoverer for current
destination
@param param: a command executor instance
@type executor: command.Executor
@return: implementation of vpd discoverer applicable for current
destination
@rtype: vital_product_data.Discoverer
@raise service_loader.NoImplementationException: if no implementation
found
'''
p = os_platform_discoverer.discover_platform_by_shell(executor.shell)
vpd_impls = service_loader.global_lookup[Discoverer]
for vpd_impl in vpd_impls:
if Sfn(vpd_impl.is_applicable)(p, executor):
return vpd_impl
raise service_loader.NoImplementationException('No lsdev impl found')
def find_impl(bin, executor):
'''Finds implementation of is_command_available.Discoverer for current
destination
@param bin: path to binary
@type bin: basestring
@param param: a command executor instance
@type executor: command.Executor
@return: implementation of discoverer applicable for current
destination
@rtype: is_command_available.Discoverer
@raise service_loader.NoImplementationException: if no implementation
found
'''
impls = service_loader.global_lookup[Discoverer]
executor = executor(useCache=1)
for impl in impls:
if Sfn(impl.is_applicable)(bin, executor):
return impl
raise service_loader.NoImplementationException(
'No is_command_available impl found')
def find(executor, alternatives=None):
'''Finds fcstat binary and appropriate wrapper implementation
@param executor: a command executor instance
@type executor: command.Executor
@return: fcstat command implementation
@rtype: fcstat.Cmd
@raise command.NotFoundException: in case if `fcstat` command is not available
@raise service_loader.NoImplementationException: in case if no `fcstat` wrapper available
'''
alternatives = alternatives or bin_alternatives
try:
bin = is_command_available.find_first(alternatives, executor)
except service_loader.NoImplementationException:
bin = first(alternatives)
if not bin:
raise command.NotFoundException(
'No fcstat binary found among provided path alternatives.')
if Sfn(Cmd.is_applicable)(bin, executor):
return partial(Cmd, bin)
else:
raise service_loader.NoImplementationException('No fcstat impl found')