From f815130254749a8e9edf1a63302d6e5a57fcd93b Mon Sep 17 00:00:00 2001 From: Evan Bradley <11745660+evan-bradley@users.noreply.github.com> Date: Fri, 5 Jan 2024 08:41:04 -0500 Subject: [PATCH] Add the nopreceiver --- .chloggen/nopreceiver.yaml | 25 ++++ Makefile | 2 + cmd/builder/internal/builder/main_test.go | 1 + cmd/otelcorecol/builder-config.yaml | 2 + cmd/otelcorecol/components.go | 2 + cmd/otelcorecol/go.mod | 3 + receiver/nopreceiver/Makefile | 1 + receiver/nopreceiver/README.md | 24 ++++ receiver/nopreceiver/doc.go | 7 + receiver/nopreceiver/go.mod | 69 ++++++++++ receiver/nopreceiver/go.sum | 122 ++++++++++++++++++ .../internal/metadata/generated_status.go | 28 ++++ receiver/nopreceiver/metadata.yaml | 7 + receiver/nopreceiver/nop_receiver.go | 42 ++++++ receiver/nopreceiver/nop_receiver_test.go | 40 ++++++ versions.yaml | 1 + 16 files changed, 376 insertions(+) create mode 100755 .chloggen/nopreceiver.yaml create mode 100644 receiver/nopreceiver/Makefile create mode 100644 receiver/nopreceiver/README.md create mode 100644 receiver/nopreceiver/doc.go create mode 100644 receiver/nopreceiver/go.mod create mode 100644 receiver/nopreceiver/go.sum create mode 100644 receiver/nopreceiver/internal/metadata/generated_status.go create mode 100644 receiver/nopreceiver/metadata.yaml create mode 100644 receiver/nopreceiver/nop_receiver.go create mode 100644 receiver/nopreceiver/nop_receiver_test.go diff --git a/.chloggen/nopreceiver.yaml b/.chloggen/nopreceiver.yaml new file mode 100755 index 000000000000..2dcb58697799 --- /dev/null +++ b/.chloggen/nopreceiver.yaml @@ -0,0 +1,25 @@ +# Use this changelog template to create an entry for release notes. + +# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix' +change_type: 'new_component' + +# The name of the component, or a single word describing the area of concern, (e.g. otlpreceiver) +component: receiver/nop + +# A brief description of the change. Surround your text with quotes ("") if it needs to start with a backtick (`). +note: Add the `nopreceiver` to serve as a placeholder receiver in a pipeline + +# One or more tracking issues or pull requests related to the change +issues: [7316] + +# (Optional) One or more lines of additional information to render under the primary note. +# These lines will be padded with 2 spaces and then inserted directly into the document. +# Use pipe (|) for multiline entries. +subtext: This is primarily useful for starting the Collector with only extensions enabled. + +# Optional: The change log or logs in which this entry should be included. +# e.g. '[user]' or '[user, api]' +# Include 'user' if the change is relevant to end users. +# Include 'api' if there is a change to a library API. +# Default: '[user]' +change_logs: [] diff --git a/Makefile b/Makefile index d595c03882f0..8bee29126be0 100644 --- a/Makefile +++ b/Makefile @@ -284,6 +284,7 @@ check-contrib: -replace go.opentelemetry.io/collector/processor/batchprocessor=$(CURDIR)/processor/batchprocessor \ -replace go.opentelemetry.io/collector/processor/memorylimiterprocessor=$(CURDIR)/processor/memorylimiterprocessor \ -replace go.opentelemetry.io/collector/receiver=$(CURDIR)/receiver \ + -replace go.opentelemetry.io/collector/receiver/nopreceiver=$(CURDIR)/receiver/nopreceiver \ -replace go.opentelemetry.io/collector/receiver/otlpreceiver=$(CURDIR)/receiver/otlpreceiver \ -replace go.opentelemetry.io/collector/semconv=$(CURDIR)/semconv \ -replace go.opentelemetry.io/collector/service=$(CURDIR)/service" @@ -336,6 +337,7 @@ restore-contrib: -dropreplace go.opentelemetry.io/collector/processor/batchprocessor \ -dropreplace go.opentelemetry.io/collector/processor/memorylimiterprocessor \ -dropreplace go.opentelemetry.io/collector/receiver \ + -dropreplace go.opentelemetry.io/collector/receiver/nopreceiver \ -dropreplace go.opentelemetry.io/collector/receiver/otlpreceiver \ -dropreplace go.opentelemetry.io/collector/semconv \ -dropreplace go.opentelemetry.io/collector/service" diff --git a/cmd/builder/internal/builder/main_test.go b/cmd/builder/internal/builder/main_test.go index 6a237743b290..a8cfeef695be 100644 --- a/cmd/builder/internal/builder/main_test.go +++ b/cmd/builder/internal/builder/main_test.go @@ -80,6 +80,7 @@ func TestGenerateAndCompile(t *testing.T) { fmt.Sprintf("go.opentelemetry.io/collector/processor/batchprocessor => %s/processor/batchprocessor", workspaceDir), fmt.Sprintf("go.opentelemetry.io/collector/processor/memorylimiterprocessor => %s/processor/memorylimiterprocessor", workspaceDir), fmt.Sprintf("go.opentelemetry.io/collector/receiver => %s/receiver", workspaceDir), + fmt.Sprintf("go.opentelemetry.io/collector/receiver/nopreceiver => %s/receiver/nopreceiver", workspaceDir), fmt.Sprintf("go.opentelemetry.io/collector/receiver/otlpreceiver => %s/receiver/otlpreceiver", workspaceDir), fmt.Sprintf("go.opentelemetry.io/collector/otelcol => %s/otelcol", workspaceDir), fmt.Sprintf("go.opentelemetry.io/collector/pdata => %s/pdata", workspaceDir), diff --git a/cmd/otelcorecol/builder-config.yaml b/cmd/otelcorecol/builder-config.yaml index e136d7b8ae29..04504012878d 100644 --- a/cmd/otelcorecol/builder-config.yaml +++ b/cmd/otelcorecol/builder-config.yaml @@ -6,6 +6,7 @@ dist: otelcol_version: 0.94.1 receivers: + - gomod: go.opentelemetry.io/collector/receiver/nopreceiver v0.94.1 - gomod: go.opentelemetry.io/collector/receiver/otlpreceiver v0.94.1 exporters: - gomod: go.opentelemetry.io/collector/exporter/debugexporter v0.94.1 @@ -60,6 +61,7 @@ replaces: - go.opentelemetry.io/collector/pdata => ../../pdata - go.opentelemetry.io/collector/processor => ../../processor - go.opentelemetry.io/collector/receiver => ../../receiver + - go.opentelemetry.io/collector/receiver/nopreceiver => ../../receiver/nopreceiver - go.opentelemetry.io/collector/receiver/otlpreceiver => ../../receiver/otlpreceiver - go.opentelemetry.io/collector/processor/batchprocessor => ../../processor/batchprocessor - go.opentelemetry.io/collector/processor/memorylimiterprocessor => ../../processor/memorylimiterprocessor diff --git a/cmd/otelcorecol/components.go b/cmd/otelcorecol/components.go index 786743099b98..827ee50f2a44 100644 --- a/cmd/otelcorecol/components.go +++ b/cmd/otelcorecol/components.go @@ -19,6 +19,7 @@ import ( batchprocessor "go.opentelemetry.io/collector/processor/batchprocessor" memorylimiterprocessor "go.opentelemetry.io/collector/processor/memorylimiterprocessor" "go.opentelemetry.io/collector/receiver" + nopreceiver "go.opentelemetry.io/collector/receiver/nopreceiver" otlpreceiver "go.opentelemetry.io/collector/receiver/otlpreceiver" ) @@ -36,6 +37,7 @@ func components() (otelcol.Factories, error) { } factories.Receivers, err = receiver.MakeFactoryMap( + nopreceiver.NewFactory(), otlpreceiver.NewFactory(), ) if err != nil { diff --git a/cmd/otelcorecol/go.mod b/cmd/otelcorecol/go.mod index 943e0e353774..7ed90c8ce551 100644 --- a/cmd/otelcorecol/go.mod +++ b/cmd/otelcorecol/go.mod @@ -24,6 +24,7 @@ require ( go.opentelemetry.io/collector/processor/memorylimiterprocessor v0.94.1 go.opentelemetry.io/collector/receiver v0.94.1 go.opentelemetry.io/collector/receiver/otlpreceiver v0.94.1 + go.opentelemetry.io/collector/receiver/otlpreceiver v0.94.1 go.uber.org/goleak v1.3.0 golang.org/x/sys v0.16.0 ) @@ -205,6 +206,8 @@ replace go.opentelemetry.io/collector/processor => ../../processor replace go.opentelemetry.io/collector/receiver => ../../receiver +replace go.opentelemetry.io/collector/receiver/nopreceiver => ../../receiver/nopreceiver + replace go.opentelemetry.io/collector/receiver/otlpreceiver => ../../receiver/otlpreceiver replace go.opentelemetry.io/collector/processor/batchprocessor => ../../processor/batchprocessor diff --git a/receiver/nopreceiver/Makefile b/receiver/nopreceiver/Makefile new file mode 100644 index 000000000000..ded7a36092dc --- /dev/null +++ b/receiver/nopreceiver/Makefile @@ -0,0 +1 @@ +include ../../Makefile.Common diff --git a/receiver/nopreceiver/README.md b/receiver/nopreceiver/README.md new file mode 100644 index 000000000000..b230a701514d --- /dev/null +++ b/receiver/nopreceiver/README.md @@ -0,0 +1,24 @@ +# No-op Receiver + + +| Status | | +| ------------- |-----------| +| Stability | [development]: traces, metrics, logs | +| Distributions | [] | +| Issues | [![Open issues](https://img.shields.io/github/issues-search/open-telemetry/opentelemetry-collector-contrib?query=is%3Aissue%20is%3Aopen%20label%3Areceiver%2Fnop%20&label=open&color=orange&logo=opentelemetry)](https://github.com/open-telemetry/opentelemetry-collector-contrib/issues?q=is%3Aopen+is%3Aissue+label%3Areceiver%2Fnop) [![Closed issues](https://img.shields.io/github/issues-search/open-telemetry/opentelemetry-collector-contrib?query=is%3Aissue%20is%3Aclosed%20label%3Areceiver%2Fnop%20&label=closed&color=blue&logo=opentelemetry)](https://github.com/open-telemetry/opentelemetry-collector-contrib/issues?q=is%3Aclosed+is%3Aissue+label%3Areceiver%2Fnop) | + +[development]: https://github.com/open-telemetry/opentelemetry-collector#development + + +Serves as a placeholder receiver in a pipeline. This can be useful if you want +to e.g. start a Collector with only extensions enabled. + +## Getting Started + +All that is required to enable the No-op receiver is to include it in the +receiver definitions. It takes no configuration. + +```yaml +receivers: + nop: +``` diff --git a/receiver/nopreceiver/doc.go b/receiver/nopreceiver/doc.go new file mode 100644 index 000000000000..597f9ac3e531 --- /dev/null +++ b/receiver/nopreceiver/doc.go @@ -0,0 +1,7 @@ +// Copyright The OpenTelemetry Authors +// SPDX-License-Identifier: Apache-2.0 + +//go:generate mdatagen metadata.yaml + +// Package nopreceiver serves as a placeholder receiver. +package nopreceiver // import "go.opentelemetry.io/collector/receiver/nopreceiver" diff --git a/receiver/nopreceiver/go.mod b/receiver/nopreceiver/go.mod new file mode 100644 index 000000000000..5c81756d4a19 --- /dev/null +++ b/receiver/nopreceiver/go.mod @@ -0,0 +1,69 @@ +module go.opentelemetry.io/collector/receiver/nopreceiver + +go 1.20 + +require ( + github.com/stretchr/testify v1.8.4 + go.opentelemetry.io/collector/component v0.93.0 + go.opentelemetry.io/collector/consumer v0.93.0 + go.opentelemetry.io/collector/receiver v0.93.0 + go.opentelemetry.io/otel/metric v1.22.0 + go.opentelemetry.io/otel/trace v1.22.0 +) + +require ( + github.com/beorn7/perks v1.0.1 // indirect + github.com/cespare/xxhash/v2 v2.2.0 // indirect + github.com/davecgh/go-spew v1.1.1 // indirect + github.com/go-logr/logr v1.4.1 // indirect + github.com/go-logr/stdr v1.2.2 // indirect + github.com/go-viper/mapstructure/v2 v2.0.0-alpha.1 // indirect + github.com/gogo/protobuf v1.3.2 // indirect + github.com/golang/protobuf v1.5.3 // indirect + github.com/json-iterator/go v1.1.12 // indirect + github.com/knadh/koanf/maps v0.1.1 // indirect + github.com/knadh/koanf/providers/confmap v0.1.0 // indirect + github.com/knadh/koanf/v2 v2.0.2 // indirect + github.com/mitchellh/copystructure v1.2.0 // indirect + github.com/mitchellh/mapstructure v1.5.1-0.20231216201459-8508981c8b6c // indirect + github.com/mitchellh/reflectwalk v1.0.2 // indirect + github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect + github.com/modern-go/reflect2 v1.0.2 // indirect + github.com/pmezard/go-difflib v1.0.0 // indirect + github.com/prometheus/client_golang v1.18.0 // indirect + github.com/prometheus/client_model v0.5.0 // indirect + github.com/prometheus/common v0.46.0 // indirect + github.com/prometheus/procfs v0.12.0 // indirect + go.opentelemetry.io/collector/config/configtelemetry v0.93.0 // indirect + go.opentelemetry.io/collector/confmap v0.93.0 // indirect + go.opentelemetry.io/collector/pdata v1.0.1 // indirect + go.opentelemetry.io/otel v1.22.0 // indirect + go.opentelemetry.io/otel/exporters/prometheus v0.45.0 // indirect + go.opentelemetry.io/otel/sdk v1.22.0 // indirect + go.opentelemetry.io/otel/sdk/metric v1.22.0 // indirect + go.uber.org/multierr v1.11.0 // indirect + go.uber.org/zap v1.26.0 // indirect + golang.org/x/net v0.20.0 // indirect + golang.org/x/sys v0.16.0 // indirect + golang.org/x/text v0.14.0 // indirect + google.golang.org/genproto/googleapis/rpc v0.0.0-20231106174013-bbf56f31fb17 // indirect + google.golang.org/grpc v1.61.0 // indirect + google.golang.org/protobuf v1.32.0 // indirect + gopkg.in/yaml.v3 v3.0.1 // indirect +) + +replace go.opentelemetry.io/collector/component => ../../component + +replace go.opentelemetry.io/collector/confmap => ../../confmap + +replace go.opentelemetry.io/collector/consumer => ../../consumer + +replace go.opentelemetry.io/collector/receiver => ../ + +replace go.opentelemetry.io/collector/pdata => ../../pdata + +replace go.opentelemetry.io/collector/config/configtelemetry => ../../config/configtelemetry + +replace go.opentelemetry.io/collector => ../.. + +replace go.opentelemetry.io/collector/featuregate => ../../featuregate diff --git a/receiver/nopreceiver/go.sum b/receiver/nopreceiver/go.sum new file mode 100644 index 000000000000..93403b384a27 --- /dev/null +++ b/receiver/nopreceiver/go.sum @@ -0,0 +1,122 @@ +github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM= 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DO NOT EDIT. + +package metadata + +import ( + "go.opentelemetry.io/otel/metric" + "go.opentelemetry.io/otel/trace" + + "go.opentelemetry.io/collector/component" +) + +var ( + Type = component.MustNewType("nop") +) + +const ( + TracesStability = component.StabilityLevelDevelopment + MetricsStability = component.StabilityLevelDevelopment + LogsStability = component.StabilityLevelDevelopment +) + +func Meter(settings component.TelemetrySettings) metric.Meter { + return settings.MeterProvider.Meter("otelcol/nopreceiver") +} + +func Tracer(settings component.TelemetrySettings) trace.Tracer { + return settings.TracerProvider.Tracer("otelcol/nopreceiver") +} diff --git a/receiver/nopreceiver/metadata.yaml b/receiver/nopreceiver/metadata.yaml new file mode 100644 index 000000000000..1a2de246a089 --- /dev/null +++ b/receiver/nopreceiver/metadata.yaml @@ -0,0 +1,7 @@ +type: nop + +status: + class: receiver + stability: + development: [traces, metrics, logs] + distributions: [] diff --git a/receiver/nopreceiver/nop_receiver.go b/receiver/nopreceiver/nop_receiver.go new file mode 100644 index 000000000000..2463a89ef651 --- /dev/null +++ b/receiver/nopreceiver/nop_receiver.go @@ -0,0 +1,42 @@ +// Copyright The OpenTelemetry Authors +// SPDX-License-Identifier: Apache-2.0 + +package nopreceiver // import "go.opentelemetry.io/collector/receiver/nopreceiver" + +import ( + "context" + + "go.opentelemetry.io/collector/component" + "go.opentelemetry.io/collector/consumer" + "go.opentelemetry.io/collector/receiver" + "go.opentelemetry.io/collector/receiver/nopreceiver/internal/metadata" +) + +// NewFactory returns a receiver.Factory that constructs nop receivers. +func NewFactory() receiver.Factory { + return receiver.NewFactory( + metadata.Type, + func() component.Config { return &struct{}{} }, + receiver.WithTraces(createTraces, metadata.TracesStability), + receiver.WithMetrics(createMetrics, metadata.MetricsStability), + receiver.WithLogs(createLogs, metadata.LogsStability)) +} + +func createTraces(context.Context, receiver.CreateSettings, component.Config, consumer.Traces) (receiver.Traces, error) { + return nopInstance, nil +} + +func createMetrics(context.Context, receiver.CreateSettings, component.Config, consumer.Metrics) (receiver.Metrics, error) { + return nopInstance, nil +} + +func createLogs(context.Context, receiver.CreateSettings, component.Config, consumer.Logs) (receiver.Logs, error) { + return nopInstance, nil +} + +var nopInstance = &nopReceiver{} + +type nopReceiver struct { + component.StartFunc + component.ShutdownFunc +} diff --git a/receiver/nopreceiver/nop_receiver_test.go b/receiver/nopreceiver/nop_receiver_test.go new file mode 100644 index 000000000000..259457d1d6b3 --- /dev/null +++ b/receiver/nopreceiver/nop_receiver_test.go @@ -0,0 +1,40 @@ +// Copyright The OpenTelemetry Authors +// SPDX-License-Identifier: Apache-2.0 + +package nopreceiver // import "go.opentelemetry.io/collector/receiver/nopreceiver" + +import ( + "context" + "testing" + + "github.com/stretchr/testify/assert" + "github.com/stretchr/testify/require" + + "go.opentelemetry.io/collector/component" + "go.opentelemetry.io/collector/component/componenttest" + "go.opentelemetry.io/collector/consumer/consumertest" + "go.opentelemetry.io/collector/receiver/receivertest" +) + +func TestNewNopFactory(t *testing.T) { + factory := NewFactory() + require.NotNil(t, factory) + assert.Equal(t, component.Type("nop"), factory.Type()) + cfg := factory.CreateDefaultConfig() + assert.Equal(t, &struct{}{}, cfg) + + traces, err := factory.CreateTracesReceiver(context.Background(), receivertest.NewNopCreateSettings(), cfg, consumertest.NewNop()) + require.NoError(t, err) + assert.NoError(t, traces.Start(context.Background(), componenttest.NewNopHost())) + assert.NoError(t, traces.Shutdown(context.Background())) + + metrics, err := factory.CreateMetricsReceiver(context.Background(), receivertest.NewNopCreateSettings(), cfg, consumertest.NewNop()) + require.NoError(t, err) + assert.NoError(t, metrics.Start(context.Background(), componenttest.NewNopHost())) + assert.NoError(t, metrics.Shutdown(context.Background())) + + logs, err := factory.CreateLogsReceiver(context.Background(), receivertest.NewNopCreateSettings(), cfg, consumertest.NewNop()) + require.NoError(t, err) + assert.NoError(t, logs.Start(context.Background(), componenttest.NewNopHost())) + assert.NoError(t, logs.Shutdown(context.Background())) +} diff --git a/versions.yaml b/versions.yaml index f9900c7bb5d0..ec85f1377627 100644 --- a/versions.yaml +++ b/versions.yaml @@ -49,6 +49,7 @@ module-sets: - go.opentelemetry.io/collector/processor/batchprocessor - go.opentelemetry.io/collector/processor/memorylimiterprocessor - go.opentelemetry.io/collector/receiver + - go.opentelemetry.io/collector/receiver/nopreceiver - go.opentelemetry.io/collector/receiver/otlpreceiver - go.opentelemetry.io/collector/semconv - go.opentelemetry.io/collector/service