Create v2 Version of datadog tracing interceptor

To completely use v2 of dd-trace-go we must be on the v2 breaking change branch. However, we don't want to cause breaking changes for current users, and we also want to make sure that we respect Go backwards compatibility & semantic versioning.

To that end, the v2 version of this integration uses the most recent version and does not have any remnants of v1. Additionally, it handles the breaking changes between API versions.

Author: jblacker

contrib/datadog/v2/go.mod

@@ -0,0 +1,103 @@
+module go.temporal.io/sdk/contrib/datadog/v2
+
+go 1.24.0
+
+toolchain go1.24.9
+
+require (
+	github.com/DataDog/dd-trace-go/v2 v2.3.0
+	github.com/stretchr/testify v1.10.0
+	go.temporal.io/sdk v1.25.1
+)
+
+require (
+	github.com/DataDog/datadog-agent/comp/core/tagger/origindetection v0.67.0 // indirect
+	github.com/DataDog/datadog-agent/pkg/obfuscate v0.67.0 // indirect
+	github.com/DataDog/datadog-agent/pkg/proto v0.67.0 // indirect
+	github.com/DataDog/datadog-agent/pkg/remoteconfig/state v0.69.0 // indirect
+	github.com/DataDog/datadog-agent/pkg/trace v0.67.0 // indirect
+	github.com/DataDog/datadog-agent/pkg/util/log v0.67.0 // indirect
+	github.com/DataDog/datadog-agent/pkg/util/scrubber v0.67.0 // indirect
+	github.com/DataDog/datadog-agent/pkg/version v0.67.0 // indirect
+	github.com/DataDog/datadog-go/v5 v5.6.0 // indirect
+	github.com/DataDog/go-libddwaf/v4 v4.3.2 // indirect
+	github.com/DataDog/go-runtime-metrics-internal v0.0.4-0.20250721125240-fdf1ef85b633 // indirect
+	github.com/DataDog/go-sqllexer v0.1.6 // indirect
+	github.com/DataDog/go-tuf v1.1.0-0.5.2 // indirect
+	github.com/DataDog/opentelemetry-mapping-go/pkg/otlp/attributes v0.27.0 // indirect
+	github.com/DataDog/sketches-go v1.4.7 // indirect
+	github.com/Masterminds/semver/v3 v3.3.1 // indirect
+	github.com/Microsoft/go-winio v0.6.2 // indirect
+	github.com/cenkalti/backoff/v5 v5.0.3 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
+	github.com/cihub/seelog v0.0.0-20170130134532-f561c5e57575 // indirect
+	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
+	github.com/dustin/go-humanize v1.0.1 // indirect
+	github.com/ebitengine/purego v0.8.3 // indirect
+	github.com/facebookgo/clock v0.0.0-20150410010913-600d898af40a // indirect
+	github.com/go-logr/logr v1.4.2 // indirect
+	github.com/go-logr/stdr v1.2.2 // indirect
+	github.com/go-ole/go-ole v1.3.0 // indirect
+	github.com/go-viper/mapstructure/v2 v2.4.0 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang/mock v1.7.0-rc.1 // indirect
+	github.com/golang/protobuf v1.5.4 // indirect
+	github.com/google/pprof v0.0.0-20250403155104-27863c87afa6 // indirect
+	github.com/google/uuid v1.6.0 // indirect
+	github.com/grpc-ecosystem/go-grpc-middleware/v2 v2.3.2 // indirect
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.26.1 // indirect
+	github.com/hashicorp/go-version v1.7.0 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/lufia/plan9stats v0.0.0-20250317134145-8bc96cf8fc35 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.3-0.20250322232337-35a7c28c31ee // indirect
+	github.com/nexus-rpc/sdk-go v0.5.1 // indirect
+	github.com/outcaste-io/ristretto v0.2.3 // indirect
+	github.com/philhofer/fwd v1.1.3-0.20240916144458-20a13a1f6b7c // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/planetscale/vtprotobuf v0.6.1-0.20240319094008-0393e58bdf10 // indirect
+	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
+	github.com/power-devops/perfstat v0.0.0-20240221224432-82ca36839d55 // indirect
+	github.com/puzpuzpuz/xsync/v3 v3.5.1 // indirect
+	github.com/robfig/cron v1.2.0 // indirect
+	github.com/secure-systems-lab/go-securesystemslib v0.9.0 // indirect
+	github.com/shirou/gopsutil/v4 v4.25.3 // indirect
+	github.com/stretchr/objx v0.5.2 // indirect
+	github.com/theckman/httpforwarded v0.4.0 // indirect
+	github.com/tinylib/msgp v1.2.5 // indirect
+	github.com/tklauser/go-sysconf v0.3.15 // indirect
+	github.com/tklauser/numcpus v0.10.0 // indirect
+	github.com/yusufpapurcu/wmi v1.2.4 // indirect
+	go.opentelemetry.io/auto/sdk v1.1.0 // indirect
+	go.opentelemetry.io/collector/component v1.31.0 // indirect
+	go.opentelemetry.io/collector/featuregate v1.31.0 // indirect
+	go.opentelemetry.io/collector/internal/telemetry v0.125.0 // indirect
+	go.opentelemetry.io/collector/pdata v1.31.0 // indirect
+	go.opentelemetry.io/collector/semconv v0.125.0 // indirect
+	go.opentelemetry.io/contrib/bridges/otelzap v0.10.0 // indirect
+	go.opentelemetry.io/otel v1.35.0 // indirect
+	go.opentelemetry.io/otel/log v0.11.0 // indirect
+	go.opentelemetry.io/otel/metric v1.35.0 // indirect
+	go.opentelemetry.io/otel/sdk v1.35.0 // indirect
+	go.opentelemetry.io/otel/trace v1.35.0 // indirect
+	go.temporal.io/api v1.54.0 // indirect
+	go.uber.org/atomic v1.11.0 // indirect
+	go.uber.org/multierr v1.11.0 // indirect
+	go.uber.org/zap v1.27.0 // indirect
+	golang.org/x/exp v0.0.0-20250606033433-dcc06ee1d476 // indirect
+	golang.org/x/mod v0.25.0 // indirect
+	golang.org/x/net v0.41.0 // indirect
+	golang.org/x/sync v0.15.0 // indirect
+	golang.org/x/sys v0.33.0 // indirect
+	golang.org/x/text v0.26.0 // indirect
+	golang.org/x/time v0.11.0 // indirect
+	golang.org/x/xerrors v0.0.0-20231012003039-104605ab7028 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20250414145226-207652e42e2e // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20250425173222-7b384671a197 // indirect
+	google.golang.org/grpc v1.72.0 // indirect
+	google.golang.org/protobuf v1.36.6 // indirect
+	gopkg.in/ini.v1 v1.67.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)
+
+replace go.temporal.io/sdk => ../../../