mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-10-19 05:39:51 +00:00
07b05616a0
Bumps [k8s.io/kubernetes](https://github.com/kubernetes/kubernetes) from 1.26.2 to 1.27.2. - [Release notes](https://github.com/kubernetes/kubernetes/releases) - [Commits](https://github.com/kubernetes/kubernetes/compare/v1.26.2...v1.27.2) --- updated-dependencies: - dependency-name: k8s.io/kubernetes dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com>
164 lines
4.6 KiB
Go
164 lines
4.6 KiB
Go
// Copyright The OpenTelemetry Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package otelgrpc // import "go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc"
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import (
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"context"
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"google.golang.org/grpc/metadata"
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"go.opentelemetry.io/otel"
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"go.opentelemetry.io/otel/attribute"
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"go.opentelemetry.io/otel/baggage"
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"go.opentelemetry.io/otel/propagation"
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"go.opentelemetry.io/otel/trace"
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)
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const (
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// instrumentationName is the name of this instrumentation package.
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instrumentationName = "go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc"
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// GRPCStatusCodeKey is convention for numeric status code of a gRPC request.
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GRPCStatusCodeKey = attribute.Key("rpc.grpc.status_code")
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)
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// Filter is a predicate used to determine whether a given request in
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// interceptor info should be traced. A Filter must return true if
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// the request should be traced.
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type Filter func(*InterceptorInfo) bool
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// config is a group of options for this instrumentation.
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type config struct {
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Filter Filter
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Propagators propagation.TextMapPropagator
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TracerProvider trace.TracerProvider
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}
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// Option applies an option value for a config.
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type Option interface {
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apply(*config)
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}
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// newConfig returns a config configured with all the passed Options.
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func newConfig(opts []Option) *config {
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c := &config{
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Propagators: otel.GetTextMapPropagator(),
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TracerProvider: otel.GetTracerProvider(),
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}
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for _, o := range opts {
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o.apply(c)
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}
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return c
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}
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type propagatorsOption struct{ p propagation.TextMapPropagator }
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func (o propagatorsOption) apply(c *config) {
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if o.p != nil {
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c.Propagators = o.p
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}
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}
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// WithPropagators returns an Option to use the Propagators when extracting
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// and injecting trace context from requests.
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func WithPropagators(p propagation.TextMapPropagator) Option {
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return propagatorsOption{p: p}
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}
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type tracerProviderOption struct{ tp trace.TracerProvider }
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func (o tracerProviderOption) apply(c *config) {
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if o.tp != nil {
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c.TracerProvider = o.tp
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}
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}
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// WithInterceptorFilter returns an Option to use the request filter.
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func WithInterceptorFilter(f Filter) Option {
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return interceptorFilterOption{f: f}
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}
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type interceptorFilterOption struct {
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f Filter
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}
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func (o interceptorFilterOption) apply(c *config) {
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if o.f != nil {
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c.Filter = o.f
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}
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}
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// WithTracerProvider returns an Option to use the TracerProvider when
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// creating a Tracer.
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func WithTracerProvider(tp trace.TracerProvider) Option {
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return tracerProviderOption{tp: tp}
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}
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type metadataSupplier struct {
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metadata *metadata.MD
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}
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// assert that metadataSupplier implements the TextMapCarrier interface.
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var _ propagation.TextMapCarrier = &metadataSupplier{}
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func (s *metadataSupplier) Get(key string) string {
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values := s.metadata.Get(key)
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if len(values) == 0 {
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return ""
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}
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return values[0]
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}
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func (s *metadataSupplier) Set(key string, value string) {
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s.metadata.Set(key, value)
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}
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func (s *metadataSupplier) Keys() []string {
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out := make([]string, 0, len(*s.metadata))
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for key := range *s.metadata {
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out = append(out, key)
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}
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return out
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}
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// Inject injects correlation context and span context into the gRPC
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// metadata object. This function is meant to be used on outgoing
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// requests.
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func Inject(ctx context.Context, md *metadata.MD, opts ...Option) {
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c := newConfig(opts)
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inject(ctx, md, c.Propagators)
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}
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func inject(ctx context.Context, md *metadata.MD, propagators propagation.TextMapPropagator) {
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propagators.Inject(ctx, &metadataSupplier{
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metadata: md,
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})
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}
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// Extract returns the correlation context and span context that
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// another service encoded in the gRPC metadata object with Inject.
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// This function is meant to be used on incoming requests.
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func Extract(ctx context.Context, md *metadata.MD, opts ...Option) (baggage.Baggage, trace.SpanContext) {
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c := newConfig(opts)
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return extract(ctx, md, c.Propagators)
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}
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func extract(ctx context.Context, md *metadata.MD, propagators propagation.TextMapPropagator) (baggage.Baggage, trace.SpanContext) {
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ctx = propagators.Extract(ctx, &metadataSupplier{
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metadata: md,
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})
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return baggage.FromContext(ctx), trace.SpanContextFromContext(ctx)
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}
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