Bump sigs.k8s.io/controller-runtime to v0.14.4 (#5507)

* Bump sigs.k8s.io/controller-runtime to v0.14.4

* Update gofmt

vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/internal/otlpconfig/envconfig.go

@@ -0,0 +1,127 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package otlpconfig // import "go.opentelemetry.io/otel/exporters/otlp/otlptrace/internal/otlpconfig"
+
+import (
+	"crypto/tls"
+	"net/url"
+	"os"
+	"path"
+	"strings"
+	"time"
+
+	"go.opentelemetry.io/otel/exporters/otlp/internal/envconfig"
+)
+
+// DefaultEnvOptionsReader is the default environments reader.
+var DefaultEnvOptionsReader = envconfig.EnvOptionsReader{
+	GetEnv:    os.Getenv,
+	ReadFile:  os.ReadFile,
+	Namespace: "OTEL_EXPORTER_OTLP",
+}
+
+// ApplyGRPCEnvConfigs applies the env configurations for gRPC.
+func ApplyGRPCEnvConfigs(cfg Config) Config {
+	opts := getOptionsFromEnv()
+	for _, opt := range opts {
+		cfg = opt.ApplyGRPCOption(cfg)
+	}
+	return cfg
+}
+
+// ApplyHTTPEnvConfigs applies the env configurations for HTTP.
+func ApplyHTTPEnvConfigs(cfg Config) Config {
+	opts := getOptionsFromEnv()
+	for _, opt := range opts {
+		cfg = opt.ApplyHTTPOption(cfg)
+	}
+	return cfg
+}
+
+func getOptionsFromEnv() []GenericOption {
+	opts := []GenericOption{}
+
+	DefaultEnvOptionsReader.Apply(
+		envconfig.WithURL("ENDPOINT", func(u *url.URL) {
+			opts = append(opts, withEndpointScheme(u))
+			opts = append(opts, newSplitOption(func(cfg Config) Config {
+				cfg.Traces.Endpoint = u.Host
+				// For OTLP/HTTP endpoint URLs without a per-signal
+				// configuration, the passed endpoint is used as a base URL
+				// and the signals are sent to these paths relative to that.
+				cfg.Traces.URLPath = path.Join(u.Path, DefaultTracesPath)
+				return cfg
+			}, withEndpointForGRPC(u)))
+		}),
+		envconfig.WithURL("TRACES_ENDPOINT", func(u *url.URL) {
+			opts = append(opts, withEndpointScheme(u))
+			opts = append(opts, newSplitOption(func(cfg Config) Config {
+				cfg.Traces.Endpoint = u.Host
+				// For endpoint URLs for OTLP/HTTP per-signal variables, the
+				// URL MUST be used as-is without any modification. The only
+				// exception is that if an URL contains no path part, the root
+				// path / MUST be used.
+				path := u.Path
+				if path == "" {
+					path = "/"
+				}
+				cfg.Traces.URLPath = path
+				return cfg
+			}, withEndpointForGRPC(u)))
+		}),
+		envconfig.WithTLSConfig("CERTIFICATE", func(c *tls.Config) { opts = append(opts, WithTLSClientConfig(c)) }),
+		envconfig.WithTLSConfig("TRACES_CERTIFICATE", func(c *tls.Config) { opts = append(opts, WithTLSClientConfig(c)) }),
+		envconfig.WithHeaders("HEADERS", func(h map[string]string) { opts = append(opts, WithHeaders(h)) }),
+		envconfig.WithHeaders("TRACES_HEADERS", func(h map[string]string) { opts = append(opts, WithHeaders(h)) }),
+		WithEnvCompression("COMPRESSION", func(c Compression) { opts = append(opts, WithCompression(c)) }),
+		WithEnvCompression("TRACES_COMPRESSION", func(c Compression) { opts = append(opts, WithCompression(c)) }),
+		envconfig.WithDuration("TIMEOUT", func(d time.Duration) { opts = append(opts, WithTimeout(d)) }),
+		envconfig.WithDuration("TRACES_TIMEOUT", func(d time.Duration) { opts = append(opts, WithTimeout(d)) }),
+	)
+
+	return opts
+}
+
+func withEndpointScheme(u *url.URL) GenericOption {
+	switch strings.ToLower(u.Scheme) {
+	case "http", "unix":
+		return WithInsecure()
+	default:
+		return WithSecure()
+	}
+}
+
+func withEndpointForGRPC(u *url.URL) func(cfg Config) Config {
+	return func(cfg Config) Config {
+		// For OTLP/gRPC endpoints, this is the target to which the
+		// exporter is going to send telemetry.
+		cfg.Traces.Endpoint = path.Join(u.Host, u.Path)
+		return cfg
+	}
+}
+
+// WithEnvCompression retrieves the specified config and passes it to ConfigFn as a Compression.
+func WithEnvCompression(n string, fn func(Compression)) func(e *envconfig.EnvOptionsReader) {
+	return func(e *envconfig.EnvOptionsReader) {
+		if v, ok := e.GetEnvValue(n); ok {
+			cp := NoCompression
+			if v == "gzip" {
+				cp = GzipCompression
+			}
+
+			fn(cp)
+		}
+	}
+}

vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/internal/otlpconfig/options.go

@@ -0,0 +1,307 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package otlpconfig // import "go.opentelemetry.io/otel/exporters/otlp/otlptrace/internal/otlpconfig"
+
+import (
+	"crypto/tls"
+	"fmt"
+	"time"
+
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/backoff"
+	"google.golang.org/grpc/credentials"
+	"google.golang.org/grpc/credentials/insecure"
+	"google.golang.org/grpc/encoding/gzip"
+
+	"go.opentelemetry.io/otel/exporters/otlp/internal"
+	"go.opentelemetry.io/otel/exporters/otlp/internal/retry"
+)
+
+const (
+	// DefaultTracesPath is a default URL path for endpoint that
+	// receives spans.
+	DefaultTracesPath string = "/v1/traces"
+	// DefaultTimeout is a default max waiting time for the backend to process
+	// each span batch.
+	DefaultTimeout time.Duration = 10 * time.Second
+)
+
+type (
+	SignalConfig struct {
+		Endpoint    string
+		Insecure    bool
+		TLSCfg      *tls.Config
+		Headers     map[string]string
+		Compression Compression
+		Timeout     time.Duration
+		URLPath     string
+
+		// gRPC configurations
+		GRPCCredentials credentials.TransportCredentials
+	}
+
+	Config struct {
+		// Signal specific configurations
+		Traces SignalConfig
+
+		RetryConfig retry.Config
+
+		// gRPC configurations
+		ReconnectionPeriod time.Duration
+		ServiceConfig      string
+		DialOptions        []grpc.DialOption
+		GRPCConn           *grpc.ClientConn
+	}
+)
+
+// NewHTTPConfig returns a new Config with all settings applied from opts and
+// any unset setting using the default HTTP config values.
+func NewHTTPConfig(opts ...HTTPOption) Config {
+	cfg := Config{
+		Traces: SignalConfig{
+			Endpoint:    fmt.Sprintf("%s:%d", DefaultCollectorHost, DefaultCollectorHTTPPort),
+			URLPath:     DefaultTracesPath,
+			Compression: NoCompression,
+			Timeout:     DefaultTimeout,
+		},
+		RetryConfig: retry.DefaultConfig,
+	}
+	cfg = ApplyHTTPEnvConfigs(cfg)
+	for _, opt := range opts {
+		cfg = opt.ApplyHTTPOption(cfg)
+	}
+	cfg.Traces.URLPath = internal.CleanPath(cfg.Traces.URLPath, DefaultTracesPath)
+	return cfg
+}
+
+// NewGRPCConfig returns a new Config with all settings applied from opts and
+// any unset setting using the default gRPC config values.
+func NewGRPCConfig(opts ...GRPCOption) Config {
+	cfg := Config{
+		Traces: SignalConfig{
+			Endpoint:    fmt.Sprintf("%s:%d", DefaultCollectorHost, DefaultCollectorGRPCPort),
+			URLPath:     DefaultTracesPath,
+			Compression: NoCompression,
+			Timeout:     DefaultTimeout,
+		},
+		RetryConfig: retry.DefaultConfig,
+	}
+	cfg = ApplyGRPCEnvConfigs(cfg)
+	for _, opt := range opts {
+		cfg = opt.ApplyGRPCOption(cfg)
+	}
+
+	if cfg.ServiceConfig != "" {
+		cfg.DialOptions = append(cfg.DialOptions, grpc.WithDefaultServiceConfig(cfg.ServiceConfig))
+	}
+	// Priroritize GRPCCredentials over Insecure (passing both is an error).
+	if cfg.Traces.GRPCCredentials != nil {
+		cfg.DialOptions = append(cfg.DialOptions, grpc.WithTransportCredentials(cfg.Traces.GRPCCredentials))
+	} else if cfg.Traces.Insecure {
+		cfg.DialOptions = append(cfg.DialOptions, grpc.WithTransportCredentials(insecure.NewCredentials()))
+	} else {
+		// Default to using the host's root CA.
+		creds := credentials.NewTLS(nil)
+		cfg.Traces.GRPCCredentials = creds
+		cfg.DialOptions = append(cfg.DialOptions, grpc.WithTransportCredentials(creds))
+	}
+	if cfg.Traces.Compression == GzipCompression {
+		cfg.DialOptions = append(cfg.DialOptions, grpc.WithDefaultCallOptions(grpc.UseCompressor(gzip.Name)))
+	}
+	if len(cfg.DialOptions) != 0 {
+		cfg.DialOptions = append(cfg.DialOptions, cfg.DialOptions...)
+	}
+	if cfg.ReconnectionPeriod != 0 {
+		p := grpc.ConnectParams{
+			Backoff:           backoff.DefaultConfig,
+			MinConnectTimeout: cfg.ReconnectionPeriod,
+		}
+		cfg.DialOptions = append(cfg.DialOptions, grpc.WithConnectParams(p))
+	}
+
+	return cfg
+}
+
+type (
+	// GenericOption applies an option to the HTTP or gRPC driver.
+	GenericOption interface {
+		ApplyHTTPOption(Config) Config
+		ApplyGRPCOption(Config) Config
+
+		// A private method to prevent users implementing the
+		// interface and so future additions to it will not
+		// violate compatibility.
+		private()
+	}
+
+	// HTTPOption applies an option to the HTTP driver.
+	HTTPOption interface {
+		ApplyHTTPOption(Config) Config
+
+		// A private method to prevent users implementing the
+		// interface and so future additions to it will not
+		// violate compatibility.
+		private()
+	}
+
+	// GRPCOption applies an option to the gRPC driver.
+	GRPCOption interface {
+		ApplyGRPCOption(Config) Config
+
+		// A private method to prevent users implementing the
+		// interface and so future additions to it will not
+		// violate compatibility.
+		private()
+	}
+)
+
+// genericOption is an option that applies the same logic
+// for both gRPC and HTTP.
+type genericOption struct {
+	fn func(Config) Config
+}
+
+func (g *genericOption) ApplyGRPCOption(cfg Config) Config {
+	return g.fn(cfg)
+}
+
+func (g *genericOption) ApplyHTTPOption(cfg Config) Config {
+	return g.fn(cfg)
+}
+
+func (genericOption) private() {}
+
+func newGenericOption(fn func(cfg Config) Config) GenericOption {
+	return &genericOption{fn: fn}
+}
+
+// splitOption is an option that applies different logics
+// for gRPC and HTTP.
+type splitOption struct {
+	httpFn func(Config) Config
+	grpcFn func(Config) Config
+}
+
+func (g *splitOption) ApplyGRPCOption(cfg Config) Config {
+	return g.grpcFn(cfg)
+}
+
+func (g *splitOption) ApplyHTTPOption(cfg Config) Config {
+	return g.httpFn(cfg)
+}
+
+func (splitOption) private() {}
+
+func newSplitOption(httpFn func(cfg Config) Config, grpcFn func(cfg Config) Config) GenericOption {
+	return &splitOption{httpFn: httpFn, grpcFn: grpcFn}
+}
+
+// httpOption is an option that is only applied to the HTTP driver.
+type httpOption struct {
+	fn func(Config) Config
+}
+
+func (h *httpOption) ApplyHTTPOption(cfg Config) Config {
+	return h.fn(cfg)
+}
+
+func (httpOption) private() {}
+
+func NewHTTPOption(fn func(cfg Config) Config) HTTPOption {
+	return &httpOption{fn: fn}
+}
+
+// grpcOption is an option that is only applied to the gRPC driver.
+type grpcOption struct {
+	fn func(Config) Config
+}
+
+func (h *grpcOption) ApplyGRPCOption(cfg Config) Config {
+	return h.fn(cfg)
+}
+
+func (grpcOption) private() {}
+
+func NewGRPCOption(fn func(cfg Config) Config) GRPCOption {
+	return &grpcOption{fn: fn}
+}
+
+// Generic Options
+
+func WithEndpoint(endpoint string) GenericOption {
+	return newGenericOption(func(cfg Config) Config {
+		cfg.Traces.Endpoint = endpoint
+		return cfg
+	})
+}
+
+func WithCompression(compression Compression) GenericOption {
+	return newGenericOption(func(cfg Config) Config {
+		cfg.Traces.Compression = compression
+		return cfg
+	})
+}
+
+func WithURLPath(urlPath string) GenericOption {
+	return newGenericOption(func(cfg Config) Config {
+		cfg.Traces.URLPath = urlPath
+		return cfg
+	})
+}
+
+func WithRetry(rc retry.Config) GenericOption {
+	return newGenericOption(func(cfg Config) Config {
+		cfg.RetryConfig = rc
+		return cfg
+	})
+}
+
+func WithTLSClientConfig(tlsCfg *tls.Config) GenericOption {
+	return newSplitOption(func(cfg Config) Config {
+		cfg.Traces.TLSCfg = tlsCfg.Clone()
+		return cfg
+	}, func(cfg Config) Config {
+		cfg.Traces.GRPCCredentials = credentials.NewTLS(tlsCfg)
+		return cfg
+	})
+}
+
+func WithInsecure() GenericOption {
+	return newGenericOption(func(cfg Config) Config {
+		cfg.Traces.Insecure = true
+		return cfg
+	})
+}
+
+func WithSecure() GenericOption {
+	return newGenericOption(func(cfg Config) Config {
+		cfg.Traces.Insecure = false
+		return cfg
+	})
+}
+
+func WithHeaders(headers map[string]string) GenericOption {
+	return newGenericOption(func(cfg Config) Config {
+		cfg.Traces.Headers = headers
+		return cfg
+	})
+}
+
+func WithTimeout(duration time.Duration) GenericOption {
+	return newGenericOption(func(cfg Config) Config {
+		cfg.Traces.Timeout = duration
+		return cfg
+	})
+}

vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/internal/otlpconfig/optiontypes.go

@@ -0,0 +1,48 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package otlpconfig // import "go.opentelemetry.io/otel/exporters/otlp/otlptrace/internal/otlpconfig"
+
+const (
+	// DefaultCollectorGRPCPort is the default gRPC port of the collector.
+	DefaultCollectorGRPCPort uint16 = 4317
+	// DefaultCollectorHTTPPort is the default HTTP port of the collector.
+	DefaultCollectorHTTPPort uint16 = 4318
+	// DefaultCollectorHost is the host address the Exporter will attempt
+	// connect to if no collector address is provided.
+	DefaultCollectorHost string = "localhost"
+)
+
+// Compression describes the compression used for payloads sent to the
+// collector.
+type Compression int
+
+const (
+	// NoCompression tells the driver to send payloads without
+	// compression.
+	NoCompression Compression = iota
+	// GzipCompression tells the driver to send payloads after
+	// compressing them with gzip.
+	GzipCompression
+)
+
+// Marshaler describes the kind of message format sent to the collector.
+type Marshaler int
+
+const (
+	// MarshalProto tells the driver to send using the protobuf binary format.
+	MarshalProto Marshaler = iota
+	// MarshalJSON tells the driver to send using json format.
+	MarshalJSON
+)

vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/internal/otlpconfig/tls.go

@@ -0,0 +1,34 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package otlpconfig // import "go.opentelemetry.io/otel/exporters/otlp/otlptrace/internal/otlpconfig"
+
+import (
+	"crypto/tls"
+	"crypto/x509"
+	"errors"
+)
+
+// CreateTLSConfig creates a tls.Config from a raw certificate bytes
+// to verify a server certificate.
+func CreateTLSConfig(certBytes []byte) (*tls.Config, error) {
+	cp := x509.NewCertPool()
+	if ok := cp.AppendCertsFromPEM(certBytes); !ok {
+		return nil, errors.New("failed to append certificate to the cert pool")
+	}
+
+	return &tls.Config{
+		RootCAs: cp,
+	}, nil
+}

vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/internal/tracetransform/attribute.go

@@ -0,0 +1,158 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package tracetransform // import "go.opentelemetry.io/otel/exporters/otlp/otlptrace/internal/tracetransform"
+
+import (
+	"go.opentelemetry.io/otel/attribute"
+	"go.opentelemetry.io/otel/sdk/resource"
+	commonpb "go.opentelemetry.io/proto/otlp/common/v1"
+)
+
+// KeyValues transforms a slice of attribute KeyValues into OTLP key-values.
+func KeyValues(attrs []attribute.KeyValue) []*commonpb.KeyValue {
+	if len(attrs) == 0 {
+		return nil
+	}
+
+	out := make([]*commonpb.KeyValue, 0, len(attrs))
+	for _, kv := range attrs {
+		out = append(out, KeyValue(kv))
+	}
+	return out
+}
+
+// Iterator transforms an attribute iterator into OTLP key-values.
+func Iterator(iter attribute.Iterator) []*commonpb.KeyValue {
+	l := iter.Len()
+	if l == 0 {
+		return nil
+	}
+
+	out := make([]*commonpb.KeyValue, 0, l)
+	for iter.Next() {
+		out = append(out, KeyValue(iter.Attribute()))
+	}
+	return out
+}
+
+// ResourceAttributes transforms a Resource OTLP key-values.
+func ResourceAttributes(res *resource.Resource) []*commonpb.KeyValue {
+	return Iterator(res.Iter())
+}
+
+// KeyValue transforms an attribute KeyValue into an OTLP key-value.
+func KeyValue(kv attribute.KeyValue) *commonpb.KeyValue {
+	return &commonpb.KeyValue{Key: string(kv.Key), Value: Value(kv.Value)}
+}
+
+// Value transforms an attribute Value into an OTLP AnyValue.
+func Value(v attribute.Value) *commonpb.AnyValue {
+	av := new(commonpb.AnyValue)
+	switch v.Type() {
+	case attribute.BOOL:
+		av.Value = &commonpb.AnyValue_BoolValue{
+			BoolValue: v.AsBool(),
+		}
+	case attribute.BOOLSLICE:
+		av.Value = &commonpb.AnyValue_ArrayValue{
+			ArrayValue: &commonpb.ArrayValue{
+				Values: boolSliceValues(v.AsBoolSlice()),
+			},
+		}
+	case attribute.INT64:
+		av.Value = &commonpb.AnyValue_IntValue{
+			IntValue: v.AsInt64(),
+		}
+	case attribute.INT64SLICE:
+		av.Value = &commonpb.AnyValue_ArrayValue{
+			ArrayValue: &commonpb.ArrayValue{
+				Values: int64SliceValues(v.AsInt64Slice()),
+			},
+		}
+	case attribute.FLOAT64:
+		av.Value = &commonpb.AnyValue_DoubleValue{
+			DoubleValue: v.AsFloat64(),
+		}
+	case attribute.FLOAT64SLICE:
+		av.Value = &commonpb.AnyValue_ArrayValue{
+			ArrayValue: &commonpb.ArrayValue{
+				Values: float64SliceValues(v.AsFloat64Slice()),
+			},
+		}
+	case attribute.STRING:
+		av.Value = &commonpb.AnyValue_StringValue{
+			StringValue: v.AsString(),
+		}
+	case attribute.STRINGSLICE:
+		av.Value = &commonpb.AnyValue_ArrayValue{
+			ArrayValue: &commonpb.ArrayValue{
+				Values: stringSliceValues(v.AsStringSlice()),
+			},
+		}
+	default:
+		av.Value = &commonpb.AnyValue_StringValue{
+			StringValue: "INVALID",
+		}
+	}
+	return av
+}
+
+func boolSliceValues(vals []bool) []*commonpb.AnyValue {
+	converted := make([]*commonpb.AnyValue, len(vals))
+	for i, v := range vals {
+		converted[i] = &commonpb.AnyValue{
+			Value: &commonpb.AnyValue_BoolValue{
+				BoolValue: v,
+			},
+		}
+	}
+	return converted
+}
+
+func int64SliceValues(vals []int64) []*commonpb.AnyValue {
+	converted := make([]*commonpb.AnyValue, len(vals))
+	for i, v := range vals {
+		converted[i] = &commonpb.AnyValue{
+			Value: &commonpb.AnyValue_IntValue{
+				IntValue: v,
+			},
+		}
+	}
+	return converted
+}
+
+func float64SliceValues(vals []float64) []*commonpb.AnyValue {
+	converted := make([]*commonpb.AnyValue, len(vals))
+	for i, v := range vals {
+		converted[i] = &commonpb.AnyValue{
+			Value: &commonpb.AnyValue_DoubleValue{
+				DoubleValue: v,
+			},
+		}
+	}
+	return converted
+}
+
+func stringSliceValues(vals []string) []*commonpb.AnyValue {
+	converted := make([]*commonpb.AnyValue, len(vals))
+	for i, v := range vals {
+		converted[i] = &commonpb.AnyValue{
+			Value: &commonpb.AnyValue_StringValue{
+				StringValue: v,
+			},
+		}
+	}
+	return converted
+}

vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/internal/tracetransform/instrumentation.go

@@ -0,0 +1,30 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package tracetransform // import "go.opentelemetry.io/otel/exporters/otlp/otlptrace/internal/tracetransform"
+
+import (
+	"go.opentelemetry.io/otel/sdk/instrumentation"
+	commonpb "go.opentelemetry.io/proto/otlp/common/v1"
+)
+
+func InstrumentationScope(il instrumentation.Scope) *commonpb.InstrumentationScope {
+	if il == (instrumentation.Scope{}) {
+		return nil
+	}
+	return &commonpb.InstrumentationScope{
+		Name:    il.Name,
+		Version: il.Version,
+	}
+}

vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/internal/tracetransform/resource.go

@@ -0,0 +1,28 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package tracetransform // import "go.opentelemetry.io/otel/exporters/otlp/otlptrace/internal/tracetransform"
+
+import (
+	"go.opentelemetry.io/otel/sdk/resource"
+	resourcepb "go.opentelemetry.io/proto/otlp/resource/v1"
+)
+
+// Resource transforms a Resource into an OTLP Resource.
+func Resource(r *resource.Resource) *resourcepb.Resource {
+	if r == nil {
+		return nil
+	}
+	return &resourcepb.Resource{Attributes: ResourceAttributes(r)}
+}

vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/internal/tracetransform/span.go

@@ -0,0 +1,205 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package tracetransform // import "go.opentelemetry.io/otel/exporters/otlp/otlptrace/internal/tracetransform"
+
+import (
+	"go.opentelemetry.io/otel/attribute"
+	"go.opentelemetry.io/otel/codes"
+	"go.opentelemetry.io/otel/sdk/instrumentation"
+	tracesdk "go.opentelemetry.io/otel/sdk/trace"
+	"go.opentelemetry.io/otel/trace"
+	tracepb "go.opentelemetry.io/proto/otlp/trace/v1"
+)
+
+// Spans transforms a slice of OpenTelemetry spans into a slice of OTLP
+// ResourceSpans.
+func Spans(sdl []tracesdk.ReadOnlySpan) []*tracepb.ResourceSpans {
+	if len(sdl) == 0 {
+		return nil
+	}
+
+	rsm := make(map[attribute.Distinct]*tracepb.ResourceSpans)
+
+	type key struct {
+		r  attribute.Distinct
+		is instrumentation.Scope
+	}
+	ssm := make(map[key]*tracepb.ScopeSpans)
+
+	var resources int
+	for _, sd := range sdl {
+		if sd == nil {
+			continue
+		}
+
+		rKey := sd.Resource().Equivalent()
+		k := key{
+			r:  rKey,
+			is: sd.InstrumentationScope(),
+		}
+		scopeSpan, iOk := ssm[k]
+		if !iOk {
+			// Either the resource or instrumentation scope were unknown.
+			scopeSpan = &tracepb.ScopeSpans{
+				Scope:     InstrumentationScope(sd.InstrumentationScope()),
+				Spans:     []*tracepb.Span{},
+				SchemaUrl: sd.InstrumentationScope().SchemaURL,
+			}
+		}
+		scopeSpan.Spans = append(scopeSpan.Spans, span(sd))
+		ssm[k] = scopeSpan
+
+		rs, rOk := rsm[rKey]
+		if !rOk {
+			resources++
+			// The resource was unknown.
+			rs = &tracepb.ResourceSpans{
+				Resource:   Resource(sd.Resource()),
+				ScopeSpans: []*tracepb.ScopeSpans{scopeSpan},
+				SchemaUrl:  sd.Resource().SchemaURL(),
+			}
+			rsm[rKey] = rs
+			continue
+		}
+
+		// The resource has been seen before. Check if the instrumentation
+		// library lookup was unknown because if so we need to add it to the
+		// ResourceSpans. Otherwise, the instrumentation library has already
+		// been seen and the append we did above will be included it in the
+		// ScopeSpans reference.
+		if !iOk {
+			rs.ScopeSpans = append(rs.ScopeSpans, scopeSpan)
+		}
+	}
+
+	// Transform the categorized map into a slice
+	rss := make([]*tracepb.ResourceSpans, 0, resources)
+	for _, rs := range rsm {
+		rss = append(rss, rs)
+	}
+	return rss
+}
+
+// span transforms a Span into an OTLP span.
+func span(sd tracesdk.ReadOnlySpan) *tracepb.Span {
+	if sd == nil {
+		return nil
+	}
+
+	tid := sd.SpanContext().TraceID()
+	sid := sd.SpanContext().SpanID()
+
+	s := &tracepb.Span{
+		TraceId:                tid[:],
+		SpanId:                 sid[:],
+		TraceState:             sd.SpanContext().TraceState().String(),
+		Status:                 status(sd.Status().Code, sd.Status().Description),
+		StartTimeUnixNano:      uint64(sd.StartTime().UnixNano()),
+		EndTimeUnixNano:        uint64(sd.EndTime().UnixNano()),
+		Links:                  links(sd.Links()),
+		Kind:                   spanKind(sd.SpanKind()),
+		Name:                   sd.Name(),
+		Attributes:             KeyValues(sd.Attributes()),
+		Events:                 spanEvents(sd.Events()),
+		DroppedAttributesCount: uint32(sd.DroppedAttributes()),
+		DroppedEventsCount:     uint32(sd.DroppedEvents()),
+		DroppedLinksCount:      uint32(sd.DroppedLinks()),
+	}
+
+	if psid := sd.Parent().SpanID(); psid.IsValid() {
+		s.ParentSpanId = psid[:]
+	}
+
+	return s
+}
+
+// status transform a span code and message into an OTLP span status.
+func status(status codes.Code, message string) *tracepb.Status {
+	var c tracepb.Status_StatusCode
+	switch status {
+	case codes.Ok:
+		c = tracepb.Status_STATUS_CODE_OK
+	case codes.Error:
+		c = tracepb.Status_STATUS_CODE_ERROR
+	default:
+		c = tracepb.Status_STATUS_CODE_UNSET
+	}
+	return &tracepb.Status{
+		Code:    c,
+		Message: message,
+	}
+}
+
+// links transforms span Links to OTLP span links.
+func links(links []tracesdk.Link) []*tracepb.Span_Link {
+	if len(links) == 0 {
+		return nil
+	}
+
+	sl := make([]*tracepb.Span_Link, 0, len(links))
+	for _, otLink := range links {
+		// This redefinition is necessary to prevent otLink.*ID[:] copies
+		// being reused -- in short we need a new otLink per iteration.
+		otLink := otLink
+
+		tid := otLink.SpanContext.TraceID()
+		sid := otLink.SpanContext.SpanID()
+
+		sl = append(sl, &tracepb.Span_Link{
+			TraceId:                tid[:],
+			SpanId:                 sid[:],
+			Attributes:             KeyValues(otLink.Attributes),
+			DroppedAttributesCount: uint32(otLink.DroppedAttributeCount),
+		})
+	}
+	return sl
+}
+
+// spanEvents transforms span Events to an OTLP span events.
+func spanEvents(es []tracesdk.Event) []*tracepb.Span_Event {
+	if len(es) == 0 {
+		return nil
+	}
+
+	events := make([]*tracepb.Span_Event, len(es))
+	// Transform message events
+	for i := 0; i < len(es); i++ {
+		events[i] = &tracepb.Span_Event{
+			Name:                   es[i].Name,
+			TimeUnixNano:           uint64(es[i].Time.UnixNano()),
+			Attributes:             KeyValues(es[i].Attributes),
+			DroppedAttributesCount: uint32(es[i].DroppedAttributeCount),
+		}
+	}
+	return events
+}
+
+// spanKind transforms a SpanKind to an OTLP span kind.
+func spanKind(kind trace.SpanKind) tracepb.Span_SpanKind {
+	switch kind {
+	case trace.SpanKindInternal:
+		return tracepb.Span_SPAN_KIND_INTERNAL
+	case trace.SpanKindClient:
+		return tracepb.Span_SPAN_KIND_CLIENT
+	case trace.SpanKindServer:
+		return tracepb.Span_SPAN_KIND_SERVER
+	case trace.SpanKindProducer:
+		return tracepb.Span_SPAN_KIND_PRODUCER
+	case trace.SpanKindConsumer:
+		return tracepb.Span_SPAN_KIND_CONSUMER
+	default:
+		return tracepb.Span_SPAN_KIND_UNSPECIFIED
+	}
+}