mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-10 16:30:19 +00:00
9c8de9471e
update kubernetes and its dependencies to v1.26.1 Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
109 lines
3.4 KiB
Go
109 lines
3.4 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 resource // import "go.opentelemetry.io/otel/sdk/resource"
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import (
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"context"
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"fmt"
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"os"
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"path/filepath"
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"go.opentelemetry.io/otel"
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"go.opentelemetry.io/otel/attribute"
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semconv "go.opentelemetry.io/otel/semconv/v1.12.0"
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)
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type (
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// telemetrySDK is a Detector that provides information about
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// the OpenTelemetry SDK used. This Detector is included as a
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// builtin. If these resource attributes are not wanted, use
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// the WithTelemetrySDK(nil) or WithoutBuiltin() options to
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// explicitly disable them.
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telemetrySDK struct{}
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// host is a Detector that provides information about the host
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// being run on. This Detector is included as a builtin. If
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// these resource attributes are not wanted, use the
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// WithHost(nil) or WithoutBuiltin() options to explicitly
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// disable them.
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host struct{}
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stringDetector struct {
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schemaURL string
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K attribute.Key
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F func() (string, error)
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}
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defaultServiceNameDetector struct{}
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)
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var (
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_ Detector = telemetrySDK{}
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_ Detector = host{}
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_ Detector = stringDetector{}
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_ Detector = defaultServiceNameDetector{}
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)
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// Detect returns a *Resource that describes the OpenTelemetry SDK used.
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func (telemetrySDK) Detect(context.Context) (*Resource, error) {
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return NewWithAttributes(
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semconv.SchemaURL,
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semconv.TelemetrySDKNameKey.String("opentelemetry"),
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semconv.TelemetrySDKLanguageKey.String("go"),
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semconv.TelemetrySDKVersionKey.String(otel.Version()),
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), nil
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}
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// Detect returns a *Resource that describes the host being run on.
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func (host) Detect(ctx context.Context) (*Resource, error) {
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return StringDetector(semconv.SchemaURL, semconv.HostNameKey, os.Hostname).Detect(ctx)
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}
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// StringDetector returns a Detector that will produce a *Resource
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// containing the string as a value corresponding to k. The resulting Resource
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// will have the specified schemaURL.
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func StringDetector(schemaURL string, k attribute.Key, f func() (string, error)) Detector {
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return stringDetector{schemaURL: schemaURL, K: k, F: f}
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}
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// Detect returns a *Resource that describes the string as a value
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// corresponding to attribute.Key as well as the specific schemaURL.
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func (sd stringDetector) Detect(ctx context.Context) (*Resource, error) {
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value, err := sd.F()
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if err != nil {
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return nil, fmt.Errorf("%s: %w", string(sd.K), err)
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}
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a := sd.K.String(value)
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if !a.Valid() {
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return nil, fmt.Errorf("invalid attribute: %q -> %q", a.Key, a.Value.Emit())
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}
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return NewWithAttributes(sd.schemaURL, sd.K.String(value)), nil
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}
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// Detect implements Detector.
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func (defaultServiceNameDetector) Detect(ctx context.Context) (*Resource, error) {
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return StringDetector(
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semconv.SchemaURL,
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semconv.ServiceNameKey,
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func() (string, error) {
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executable, err := os.Executable()
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if err != nil {
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return "unknown_service:go", nil
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}
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return "unknown_service:" + filepath.Base(executable), nil
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},
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).Detect(ctx)
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}
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