The ceilometer.hardware.inspector.snmp Module¶

Inspector for collecting data over SNMP

exception ceilometer.hardware.inspector.snmp.SNMPException[source]¶

Bases: exceptions.Exception

class ceilometer.hardware.inspector.snmp.SNMPInspector[source]¶

Bases: ceilometer.hardware.inspector.base.Inspector

classmethod construct_metadata(oid_cache, meta_defs, suffix='', host=None)[source]¶

static find_matching_oids(oid_cache, oid, match_type, find_one=True)[source]¶

static get_oid_value(oid_cache, oid_def, suffix='', host=None)[source]¶

inspect_generic(host, cache, extra_metadata, param)[source]¶

A generic inspect function.

Parameters:	host – the target host cache – cache passed from the pollster extra_metadata – extra dict to be used as metadata param – a dict of inspector specific param
Returns:	an iterator of (value, metadata, extra) containing the sample value, metadata dict to construct sample’s metadata, and extra dict of extra metadata to help constructing sample

prepare_params(param)[source]¶

Parse the params to a format which the inspector itself recognizes.

Parameters:	param – inspector params from meter definition file
Returns:	a dict of param which the inspector recognized

ceilometer.hardware.inspector.snmp.parse_snmp_return(ret, is_bulk=False)[source]¶

Check the return value of snmp operations

Parameters:	ret – a tuple of (errorIndication, errorStatus, errorIndex, data) returned by pysnmp is_bulk – True if the ret value is from GetBulkRequest
Returns:	a tuple of (err, data) err: True if error found, or False if no error found data: a string of error description if error found, or the actual return data of the snmp operation