Timeseries

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Timeseries
Use the Timeseries service to query metrics directly from the Flowmill Timeseries database. A Timeseries query specify:
A timerange
A metric, such as TCP Packets Dropped or TCP Bytes Transferred
Timeseries may optionally specify filters and groups.
Specifying a Time Duration and Number of Samples
The Flowmill service is built around a timeseries database capable of doing flexible aggregations over time. Queries can be configured to cover both a desirable range of time as well as requesting a given number of data points.
V1 - Start, End, Step Method
We have deprecated version 1 of our Timeseries APIs. Please use version 2.
V2 - End, Duration, Number of Samples Method
In version 2 of the Timeseries APIs, time ranges are specified using an exclusive end timestamp, the duration of the time range requested and the number of values to return.
Specifying the Metric
Requests to the Timeseries API must specify both the metric and timerange to query.
Metrics are currently gathered for 4 procotols:
TCP
UDP
HTTP
DNS
To get the full list of metrics to query, please contact Flowmill.
A Sample Request
The following example shows how to query tcp bytes transferred for the last hour, aggregated to a single datapoint:
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import datetime
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import flowmill
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​
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end = datetime.datetime.utcnow().strftime('%Y-%m-%dT%H:%M:%S.%f')[:-3]+'Z'
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duration = '1h'
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num_steps = '1'
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​
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request = flowmill.GrpcTimeSeriesRequestV2(end=end,
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                                           duration=duration,
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                                           num_steps=num_steps,
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                                           metric='bytes',
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                                          )
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Limiting the Total Number of Timeseries
Use the top_k parameter to limit the number of timeseries returned.
The following example shows how to query for the 100 highest-traffic connections between services over the the past hour:
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import datetime
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import flowmill
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​
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‌
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end = datetime.datetime.utcnow().strftime('%Y-%m-%dT%H:%M:%S.%f')[:-3]+'Z'
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duration = '1h' num_steps = '1'
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​
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‌
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request = flowmill.GrpcTimeSeriesRequestV2(end=end,
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                                           duration=duration,
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                                           num_steps=num_steps,
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                                           top_k=100,
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                                           metric='bytes',
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                                          )
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Filters
Use filters to limit which timeseries are used to generate the result. Requests may define distinct filters for source and destination or use the same filter if desired. ​ The following example shows how to filter for bytes transferred by a single service in a single availability zone:
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import datetime
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import flowmill
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​
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end = datetime.datetime.utcnow().strftime('%Y-%m-%dT%H:%M:%S.%f')[:-3]+'Z'
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duration = '1h'
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num_steps = '1'
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​
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source_filters = [flowmill.GrpcFilter('role', 'IN', [role]),
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                  flowmill.GrpcFilter('az', 'IN', [zone])]
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​
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request = flowmill.GrpcTimeSeriesRequestV2(end=end,
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                                           duration=duration,
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                                           num_steps=num_steps,
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                                           metric='bytes',
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                                           source_filters=source_filters,
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                                          )
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Groupings
Use groupings to rollup metrics from individual entities into an aggregation of these entities, such as role, availability zone or environment.
The following example shows how to aggregate traffic from a single source service, but breakdown results for the destination by service, zone and ip address:
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import datetime
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import flowmill
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​
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‌end = datetime.datetime.utcnow().strftime('%Y-%m-%dT%H:%M:%S.%f')[:-3]+'Z'
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​
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source_grouping = ['role'] destination_grouping = ['role', 'az', 'ip']
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‌
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request = flowmill.GrpcTimeSeriesRequestV2(end=end,
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                                           duration=duration,
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                                           num_steps=num_steps,
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                                           metric='bytes',
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                                           source_grouping=source_grouping,
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                                           destination_grouping=destination_grouping,
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                                          )
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Matching Source and Destination
Use label_equality to query for things like "cross zone traffic" or "same zone traffic" by performing comparisions on a subset of the labels. ​ The following example shows how to return timeseries where source and destination are in different availability zones:
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import datetime
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import flowmill
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​
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end = datetime.datetime.utcnow().strftime('%Y-%m-%dT%H:%M:%S.%f')[:-3]+'Z'
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duration = '1h'
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num_steps = 1
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​
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label_equality = [flowmill.GrpcLabelEqualityPair('az', False)]
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​
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request = flowmill.GrpcTimeSeriesRequestV2(end=end,
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                                           duration=duration,
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                                           num_steps=num_steps,
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                                           metric='bytes',
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                                           label_equality=label_equality
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                                          )
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Contents
Specifying a Time Duration and Number of Samples
V1 - Start, End, Step Method
V2 - End, Duration, Number of Samples Method
Specifying the Metric
A Sample Request
Limiting the Total Number of Timeseries
Filters
Groupings
Matching Source and Destination