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Commit Graph

7 Commits

Author SHA1 Message Date
Gustavo Silva Paiva
3d78564d2f Prometheus exporter (#334)
* Prom exporter structure

* update prometheus exporter with master and add example.

* remove distributedcontext from prometheus example

* docs and interface checker

* make precommit

* make precommit & remove "OnRegisterError"

* coerce values to float

* return register errors and maybe fix precommit?

* add option to specify a prometheus.Registry

* make exporter implement http.Handler interface

* fix map keys bugs

* remove unused const

* fix modules dependencies.

* add support for histogram

* get metrics with labels values only instead of a labels map

* make exporter implements label encoder interface

* encode labels if the encoder is different.

* split metrics on several files and encapsulate them in structs

* make pre commit

* unexport 'sanitize'

* remove 'AllValues' in favor of 'Points' and change to 'NewDefaultLabelEncoder'

* add prometheus tests

* remove newlines on struct declaration

* formatting

* rewording

* imports

* add todo on labelValues

* blame myself for todo (:

* add todos on sanitize

* add support for summaries. custom remove label encoder.

* imports

* imports

* update with upstream
2019-11-26 11:47:15 -08:00
Joshua MacDonald
9878f3b700 Metrics stdout export pipeline (#265)
* Add MetricAggregator.Merge() implementations

* Update from feedback

* Type

* Ckpt

* Ckpt

* Add push controller

* Ckpt

* Add aggregator interfaces, stdout encoder

* Modify basic main.go

* Main is working

* Batch stdout output

* Sum udpate

* Rename stdout

* Add stateless/stateful Batcher options

* Undo a for-loop in the example, remove a done TODO

* Update imports

* Add note

* Rename defaultkeys

* Support variable label encoder to speed OpenMetrics/Statsd export

* Lint

* Doc

* Precommit/lint

* Simplify Aggregator API

* Record->Identifier

* Remove export.Record a.k.a. Identifier

* Checkpoint

* Propagate errors to the SDK, remove a bunch of 'TODO warn'

* Checkpoint

* Introduce export.Labels

* Comments in export/metric.go

* Comment

* More merge

* More doc

* Complete example

* Lint fixes

* Add a testable example

* Lint

* Let Export return an error

* add a basic stdout exporter test

* Add measure test; fix aggregator APIs

* Use JSON numbers, not strings

* Test stdout exporter error

* Add a test for the call to RangeTest

* Add error handler API to improve correctness test; return errors from RecordOne

* Undo the previous -- do not expose errors

* Add simple selector variations, test

* Repair examples

* Test push controller error handling

* Add SDK label encoder tests

* Add a defaultkeys batcher test

* Add an ungrouped batcher test

* Lint new tests

* Respond to krnowak's feedback

* Undo comment

* Use concrete receivers for export records and labels, since the constructors return structs not pointers

* Bug fix for stateful batchers; clone an aggregator for long term storage

* Remove TODO addressed in #318

* Add errors to all aggregator interfaces

* Handle ErrNoLastValue case in stdout exporter

* Move aggregator API into sdk/export/metric/aggregator

* Update all aggregator exported-method comments

* Document the aggregator APIs

* More aggregator comments

* Add multiple updates to the ungrouped test

* Fixes for feedback from Gustavo and Liz

* Producer->CheckpointSet; add FinishedCollection

* Process takes an export.Record

* ReadCheckpoint->CheckpointSet

* EncodeLabels->Encode

* Format a better inconsistent type error; add more aggregator API tests

* More RangeTest test coverage

* Make benbjohnson/clock a test-only dependency

* Handle ErrNoLastValue in stress_test
2019-11-15 13:01:20 -08:00
Joshua MacDonald
68bd627ac2
Move export types into trace and metric-specific subdirs (#289) 2019-11-05 13:08:55 -08:00
Joshua MacDonald
9040d824ae
Add array aggregation for raw measure metrics, improve testing (#282)
* Array aggregator part 1

* Improve median testing

* More testing

* More testing

* Update other dist tests

* Add to the benchmark

* Move errors into aggregator package, use from ddsketch; update Max/Min/Quantile to return errors for array/ddsketch/maxsumcount

* Lint

* Test non-absolute ddsketch

* Lint

* Comment

* Add note
2019-11-04 14:24:01 -08:00
rghetia
15bfc5bb12
Namespace import path under "/otel" (#274)
Also fixes example module paths so that they use the vanity URL instead
of the github URL.

[Closes #184]
2019-11-01 11:40:29 -07:00
Joshua MacDonald
915775e348
Add MetricAggregator.Merge() implementations (#253)
* Add MetricAggregator.Merge() implementations

* Update from feedback

* Type
2019-10-30 22:15:27 -07:00
Joshua MacDonald
937f4ff8b0
Metrics SDK work-in-progress (#172)
Introduce the new SDK, four aggregators, and an export interface.
2019-10-29 13:27:22 -07:00