The ceilometer.storage.impl_sqlalchemy
ModuleΒΆ
SQLAlchemy storage backend.
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class
ceilometer.storage.impl_sqlalchemy.
Connection
(url)[source] Bases:
ceilometer.storage.base.Connection
Put the data into a SQLAlchemy database.
Tables:
- meter - meter definition - { id: meter id name: meter name type: meter type unit: meter unit } - resource - resource definition - { internal_id: resource id resource_id: resource uuid user_id: user uuid project_id: project uuid source_id: source id resource_metadata: metadata dictionary metadata_hash: metadata dictionary hash } - sample - the raw incoming data - { id: sample id meter_id: meter id (->meter.id) resource_id: resource id (->resource.internal_id) volume: sample volume timestamp: datetime recorded_at: datetime message_signature: message signature message_id: message uuid }
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clear
()[source]
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clear_expired_metering_data
(ttl)[source] Clear expired data from the backend storage system.
Clearing occurs according to the time-to-live. :param ttl: Number of seconds to keep records for.
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get_meter_statistics
(sample_filter, period=None, groupby=None, aggregate=None)[source] Return an iterable of api_models.Statistics instances.
Items are containing meter statistics described by the query parameters. The filter must have a meter value set.
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get_meters
(user=None, project=None, resource=None, source=None, metaquery=None, pagination=None)[source] Return an iterable of api_models.Meter instances
Parameters: - user – Optional ID for user that owns the resource.
- project – Optional ID for project that owns the resource.
- resource – Optional ID of the resource.
- source – Optional source filter.
- metaquery – Optional dict with metadata to match on.
- pagination – Optional pagination query.
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get_resources
(user=None, project=None, source=None, start_timestamp=None, start_timestamp_op=None, end_timestamp=None, end_timestamp_op=None, metaquery=None, resource=None, pagination=None)[source] Return an iterable of api_models.Resource instances
Parameters: - user – Optional ID for user that owns the resource.
- project – Optional ID for project that owns the resource.
- source – Optional source filter.
- start_timestamp – Optional modified timestamp start range.
- start_timestamp_op – Optional start time operator, like gt, ge.
- end_timestamp – Optional modified timestamp end range.
- end_timestamp_op – Optional end time operator, like lt, le.
- metaquery – Optional dict with metadata to match on.
- resource – Optional resource filter.
- pagination – Optional pagination query.
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get_samples
(sample_filter, limit=None)[source] Return an iterable of api_models.Samples.
Parameters: - sample_filter – Filter.
- limit – Maximum number of results to return.
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query_samples
(filter_expr=None, orderby=None, limit=None)[source]
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record_metering_data
(*args, **kwargs)[source] Write the data to the backend storage system.
Parameters: data – a dictionary such as returned by ceilometer.meter.meter_message_from_counter
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upgrade
()[source]
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