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46ecbbea26
* lib/protoparser: adds opentelemetry parser
app/{vmagent,vminsert}: adds opentelemetry ingestion path
Adds ability to ingest data with opentelemetry protocol
protobuf and json encoding is supported
data converted into prometheus protobuf timeseries
each data type has own converter and it may produce multiple timeseries
from single datapoint (for summary and histogram).
only cumulative aggregationFamily is supported for sum(prometheus
counter) and histogram.
Apply suggestions from code review
Co-authored-by: Roman Khavronenko <roman@victoriametrics.com>
updates deps
fixes tests
wip
wip
wip
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lib/protoparser/opentelemetry: moves to vtprotobuf generator
go mod vendor
lib/protoparse/opentelemetry: reduce memory allocations
* wip
- Remove support for JSON parsing, since it is too fragile and is rarely used in practice.
The most clients send OpenTelemetry metrics in protobuf.
The JSON parser can be added in the future if needed.
- Remove unused code from lib/protoparser/opentelemetry/pb and lib/protoparser/opentelemetry/proto
- Do not re-use protobuf message between ParseStream() calls, since there is high chance
of high fragmentation of the re-used message because of too complex nested structure of the message.
* wip
* wip
* wip
---------
Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
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|---|---|---|
| .. | ||
| common.proto | ||
| metrics.proto | ||
| metrics_service.proto | ||
| README.md | ||
| resource.proto | ||
Opentelemetry proto files
Content copied from https://github.com/open-telemetry/opentelemetry-proto/tree/main/opentelemetry/proto
Requirements
Modifications
Original proto files were modified:
- changed package name for
package opentelemetry. - changed import paths - changed directory names.
- changed go_package for
opentelemetry/pb.
How to generate pbs
run command:
export GOBIN=~/go/bin protoc
protoc -I=. --go_out=./lib/protoparser/opentelemetry --go-vtproto_out=./lib/protoparser/opentelemetry --plugin protoc-gen-go-vtproto="$GOBIN/protoc-gen-go-vtproto" --go-vtproto_opt=features=marshal+unmarshal+size lib/protoparser/opentelemetry/proto/*.proto
Generated code will be at lib/protoparser/opentelemetry/opentelemetry/
manually edit it:
- remove all external imports
- remove all unneeded methods
- replace
unknownFieldswithunknownFields []byte