feat(exporter): Implement OTLP JSON exporters for HTTP transport #4470
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Add new packages for JSON-based OTLP exporters as alternatives to the existing Protobuf-based exporters: - opentelemetry-exporter-otlp-json-common: Common JSON encoding functionality - opentelemetry-exporter-otlp-json-http: HTTP transport implementation These exporters enable compatibility with services requiring JSON format instead of Protobuf. Implementation includes full support for traces, metrics, and logs with comprehensive test coverage following project guidelines. Closes open-telemetry#1003
Replace 'too-many-positional-arguments' with the correct pylint message ID 'too-many-arguments' and fix type ignore comments placement for imports without stubs.
Replace string representation of integers with actual integer values in the OTLP JSON exporters
to comply with the OTLP specification. This ensures integer attributes are properly encoded as
{intValue: 123} instead of {intValue: 123} for better compatibility with OTLP receivers.
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Description
This PR adds JSON-based OTLP exporters to complement the existing Protobuf-based exporters. Many services and backends support the JSON format for OTLP data, and this implementation provides a standards-compliant way to export telemetry data in JSON format over HTTP.
The implementation follows the OpenTelemetry Protocol specification for JSON encoding and includes support for all telemetry signals (traces, metrics, and logs). The code structure mirrors the existing Protobuf exporters for consistency and ease of maintenance.
Fixes #1003
Type of change
How Has This Been Tested?
Does This PR Require a Contrib Repo Change?
Checklist: