v1.1.1 release

Release of core packages:

• opentelemetry-api
• opentelemetry-sdk

and exporter packages:

• opentelemetry-exporter-otlp ( gRPC + HTTP/JSON )
• opentelemetry-exporter-etw
• opentelemetry-exporter-zipkin
• opentelemetry-exporter-jaeger ( thrift + UDP/HTTP )

Changelog

SDK

• Rename OTEL_CPP_GET_ATTR macro, and define it using fully qualified attr function (#1140)
• Default resource attributes and attributes in OTEL_RESOURCE_ATTRIBUTES are missing when using Otlp*LogExporter (#1082)

Exporters

• Add OTLP/gRPC Log Exporter (#1048)
• Add OTLP/HTTP Log Exporter (#1030)
• [EXPORTER] ZipkinExporter shutdown (#1153)
• [EXPORTER] Jaeger exporter shutdown (#1150)
• [EXPORTER] Bugfix: jaeger::TUDPTransport::write crash when getaddrinfo returns error (#1116)
• [EXPORTER] Bugfix: Jaeger exporter: extend supported attributes types (#1106)
• [EXPORTER] Fix otlp generates null span ids (#1113)
• [EXPORTER] Jaeger bazel (Linux only) (#1077)

Build

• Mark tags to bazel targets (#1075)

Docs

• Add note on DLL support (#1137)
• Improve the instructions for Bazel build (#1136)
• Document dependencies (#1119)
• Dockerfile for quick demo/troubleshooting purpose (#905)

Example

• OTLP gRPC log example (#1083)

Metrics

• Add Meter and MeterProvider in the SDK (#1078)