From 97a920d04f3d5800914bfea84dd10a37ff8857c3 Mon Sep 17 00:00:00 2001 From: Colin Douch <colin@quirl.co.nz> Date: Thu, 14 Dec 2023 01:59:33 +1100 Subject: [PATCH] Add namedpipereceiver (#29320) **Description:** This adds a new receiver that reads from a named pipe, using the previously created namedpipeinput stanza operator (#28841). Because that operator does the majority of the work, this is mostly boilerplate + a few tests to confirm that it works e2e. Link to tracking Issue: #27234 **Testing:** Added a few tests, loading the config, and actually creating a receiver to verify that it can read logs from the pipe. **Documentation:** None, yet. /cc @djaglowski - where should I add docs for this if any? --- .chloggen/namedpipe_receiver.yaml | 27 ++ .github/CODEOWNERS | 1 + .github/ISSUE_TEMPLATE/bug_report.yaml | 1 + .github/ISSUE_TEMPLATE/feature_request.yaml | 1 + .github/ISSUE_TEMPLATE/other.yaml | 1 + receiver/namedpipereceiver/Makefile | 1 + receiver/namedpipereceiver/README.md | 39 +++ receiver/namedpipereceiver/doc.go | 8 + receiver/namedpipereceiver/go.mod | 67 +++++ receiver/namedpipereceiver/go.sum | 241 ++++++++++++++++++ .../internal/metadata/generated_status.go | 12 + receiver/namedpipereceiver/metadata.yaml | 9 + receiver/namedpipereceiver/namedpipe.go | 62 +++++ receiver/namedpipereceiver/namedpipe_test.go | 101 ++++++++ .../namedpipereceiver/testdata/config.yaml | 4 + reports/distributions/contrib.yaml | 1 + versions.yaml | 1 + 17 files changed, 577 insertions(+) create mode 100755 .chloggen/namedpipe_receiver.yaml create mode 100644 receiver/namedpipereceiver/Makefile create mode 100644 receiver/namedpipereceiver/README.md create mode 100644 receiver/namedpipereceiver/doc.go create mode 100644 receiver/namedpipereceiver/go.mod create mode 100644 receiver/namedpipereceiver/go.sum create mode 100644 receiver/namedpipereceiver/internal/metadata/generated_status.go create mode 100644 receiver/namedpipereceiver/metadata.yaml create mode 100644 receiver/namedpipereceiver/namedpipe.go create mode 100644 receiver/namedpipereceiver/namedpipe_test.go create mode 100644 receiver/namedpipereceiver/testdata/config.yaml diff --git a/.chloggen/namedpipe_receiver.yaml b/.chloggen/namedpipe_receiver.yaml new file mode 100755 index 000000000000..c9481179e042 --- /dev/null +++ b/.chloggen/namedpipe_receiver.yaml @@ -0,0 +1,27 @@ +# 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. filelogreceiver) +component: namedpipereceiver + +# A brief description of the change. Surround your text with quotes ("") if it needs to start with a backtick (`). +note: Add "namedpipereceiver" that allows ingesting logs over a Named Pipe + +# Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists. +issues: [27234] + +# (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: + +# If your change doesn't affect end users or the exported elements of any package, +# you should instead start your pull request title with [chore] or use the "Skip Changelog" label. +# 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/.github/CODEOWNERS b/.github/CODEOWNERS index 23364282da1b..dcd8f3aba65f 100644 --- a/.github/CODEOWNERS +++ b/.github/CODEOWNERS @@ -227,6 +227,7 @@ receiver/memcachedreceiver/ @open-telemetry/collect receiver/mongodbatlasreceiver/ @open-telemetry/collector-contrib-approvers @djaglowski @schmikei receiver/mongodbreceiver/ @open-telemetry/collector-contrib-approvers @djaglowski @schmikei receiver/mysqlreceiver/ @open-telemetry/collector-contrib-approvers @djaglowski +receiver/namedpipereceiver/ @open-telemetry/collector-contrib-approvers @djaglowski receiver/nginxreceiver/ @open-telemetry/collector-contrib-approvers @djaglowski receiver/nsxtreceiver/ @open-telemetry/collector-contrib-approvers @dashpole @schmikei receiver/opencensusreceiver/ @open-telemetry/collector-contrib-approvers @open-telemetry/collector-approvers diff --git a/.github/ISSUE_TEMPLATE/bug_report.yaml b/.github/ISSUE_TEMPLATE/bug_report.yaml index 050e78eeb78c..d4f5549e32a4 100644 --- a/.github/ISSUE_TEMPLATE/bug_report.yaml +++ b/.github/ISSUE_TEMPLATE/bug_report.yaml @@ -221,6 +221,7 @@ body: - receiver/mongodb - receiver/mongodbatlas - receiver/mysql + - receiver/namedpipe - receiver/nginx - receiver/nsxt - receiver/opencensus diff --git a/.github/ISSUE_TEMPLATE/feature_request.yaml b/.github/ISSUE_TEMPLATE/feature_request.yaml index b6d99c298db3..a3682024b350 100644 --- a/.github/ISSUE_TEMPLATE/feature_request.yaml +++ b/.github/ISSUE_TEMPLATE/feature_request.yaml @@ -215,6 +215,7 @@ body: - receiver/mongodb - receiver/mongodbatlas - receiver/mysql + - receiver/namedpipe - receiver/nginx - receiver/nsxt - receiver/opencensus diff --git a/.github/ISSUE_TEMPLATE/other.yaml b/.github/ISSUE_TEMPLATE/other.yaml index 6c95e4dec60d..0f5dc889ad00 100644 --- a/.github/ISSUE_TEMPLATE/other.yaml +++ b/.github/ISSUE_TEMPLATE/other.yaml @@ -215,6 +215,7 @@ body: - receiver/mongodb - receiver/mongodbatlas - receiver/mysql + - receiver/namedpipe - receiver/nginx - receiver/nsxt - receiver/opencensus diff --git a/receiver/namedpipereceiver/Makefile b/receiver/namedpipereceiver/Makefile new file mode 100644 index 000000000000..ded7a36092dc --- /dev/null +++ b/receiver/namedpipereceiver/Makefile @@ -0,0 +1 @@ +include ../../Makefile.Common diff --git a/receiver/namedpipereceiver/README.md b/receiver/namedpipereceiver/README.md new file mode 100644 index 000000000000..fd2fb8a42ec5 --- /dev/null +++ b/receiver/namedpipereceiver/README.md @@ -0,0 +1,39 @@ +# Named Pipe Receiver + +<!-- status autogenerated section --> +| Status | | +| ------------- |-----------| +| Stability | [alpha]: logs | +| Distributions | [contrib] | +| Issues | [](https://github.com/open-telemetry/opentelemetry-collector-contrib/issues?q=is%3Aopen+is%3Aissue+label%3Areceiver%2Fnamedpipe) [](https://github.com/open-telemetry/opentelemetry-collector-contrib/issues?q=is%3Aclosed+is%3Aissue+label%3Areceiver%2Fnamedpipe) | +| [Code Owners](https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/main/CONTRIBUTING.md#becoming-a-code-owner) | [@djaglowski](https://www.github.com/djaglowski) | + +[alpha]: https://github.com/open-telemetry/opentelemetry-collector#alpha +[contrib]: https://github.com/open-telemetry/opentelemetry-collector-releases/tree/main/distributions/otelcol-contrib +<!-- end autogenerated section --> + +This receiver supports opening a Unix Named Pipe (aka FIFO), and reading logs from it. + +## Prerequisites + +Named pipes are only supported on Unix operating systems. + + +## Configuration + +The following settings are required: + +- `path`: The path to open the named pipe at. + +The following settings are optional: + +- `mode`: The mode bits to set on the opened pipe (default: 666) + +## Example Configuration + +```yaml +receivers: + namedpipe: + path: /tmp/pipe + mode: 0600 +``` diff --git a/receiver/namedpipereceiver/doc.go b/receiver/namedpipereceiver/doc.go new file mode 100644 index 000000000000..947507f0fc94 --- /dev/null +++ b/receiver/namedpipereceiver/doc.go @@ -0,0 +1,8 @@ +// Copyright The OpenTelemetry Authors +// SPDX-License-Identifier: Apache-2.0 + +//go:generate mdatagen metadata.yaml + +// Package namedpipereceiver implements a receiver that can be used by the +// OpenTelemetry collector to receive logs using the stanza log agent +package namedpipereceiver // import "github.com/open-telemetry/opentelemetry-collector-contrib/receiver/namedpipereceiver" diff --git a/receiver/namedpipereceiver/go.mod b/receiver/namedpipereceiver/go.mod new file mode 100644 index 000000000000..ebaa2b5e554a --- /dev/null +++ b/receiver/namedpipereceiver/go.mod @@ -0,0 +1,67 @@ +module github.com/open-telemetry/opentelemetry-collector-contrib/receiver/namedpipereceiver + +go 1.20 + +require ( + github.com/open-telemetry/opentelemetry-collector-contrib/internal/coreinternal v0.91.0 + github.com/open-telemetry/opentelemetry-collector-contrib/pkg/stanza v0.89.0 + github.com/stretchr/testify v1.8.4 + go.opentelemetry.io/collector/component v0.91.0 + go.opentelemetry.io/collector/confmap v0.91.0 + go.opentelemetry.io/collector/consumer v0.91.0 + go.opentelemetry.io/collector/receiver v0.91.0 + go.uber.org/zap v1.26.0 +) + +require ( + github.com/cenkalti/backoff/v4 v4.2.1 // indirect + github.com/cespare/xxhash/v2 v2.2.0 // indirect + github.com/davecgh/go-spew v1.1.1 // indirect + github.com/expr-lang/expr v1.15.7 // indirect + github.com/fsnotify/fsnotify v1.7.0 // indirect + github.com/gogo/protobuf v1.3.2 // indirect + github.com/golang/protobuf v1.5.3 // indirect + github.com/hashicorp/go-version v1.6.0 // indirect + github.com/influxdata/go-syslog/v3 v3.0.1-0.20230911200830-875f5bc594a4 // 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 v2.0.1 // indirect + github.com/leodido/ragel-machinery v0.0.0-20181214104525-299bdde78165 // indirect + github.com/mitchellh/copystructure v1.2.0 // indirect + github.com/mitchellh/mapstructure v1.5.1-0.20220423185008-bf980b35cac4 // 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 + go.opencensus.io v0.24.0 // indirect + go.opentelemetry.io/collector v0.91.0 // indirect + go.opentelemetry.io/collector/config/configtelemetry v0.91.0 // indirect + go.opentelemetry.io/collector/extension v0.91.0 // indirect + go.opentelemetry.io/collector/featuregate v1.0.0 // indirect + go.opentelemetry.io/collector/pdata v1.0.0 // indirect + go.opentelemetry.io/otel v1.21.0 // indirect + go.opentelemetry.io/otel/metric v1.21.0 // indirect + go.opentelemetry.io/otel/trace v1.21.0 // indirect + go.uber.org/multierr v1.11.0 // indirect + golang.org/x/net v0.18.0 // indirect + golang.org/x/sys v0.15.0 // indirect + golang.org/x/text v0.14.0 // indirect + gonum.org/v1/gonum v0.14.0 // indirect + google.golang.org/genproto/googleapis/rpc v0.0.0-20230822172742-b8732ec3820d // indirect + google.golang.org/grpc v1.59.0 // indirect + google.golang.org/protobuf v1.31.0 // indirect + gopkg.in/yaml.v3 v3.0.1 // indirect +) + +replace github.com/open-telemetry/opentelemetry-collector-contrib/pkg/stanza => ../../pkg/stanza + +replace github.com/open-telemetry/opentelemetry-collector-contrib/extension/storage => ../../extension/storage + +replace github.com/open-telemetry/opentelemetry-collector-contrib/internal/coreinternal => ../../internal/coreinternal + +replace github.com/open-telemetry/opentelemetry-collector-contrib/pkg/pdatautil => ../../pkg/pdatautil + +replace github.com/open-telemetry/opentelemetry-collector-contrib/pkg/pdatatest => ../../pkg/pdatatest + +replace github.com/open-telemetry/opentelemetry-collector-contrib/pkg/golden => ../../pkg/golden diff --git a/receiver/namedpipereceiver/go.sum b/receiver/namedpipereceiver/go.sum new file mode 100644 index 000000000000..607dbf57bc77 --- /dev/null +++ b/receiver/namedpipereceiver/go.sum @@ -0,0 +1,241 @@ +cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +contrib.go.opencensus.io/exporter/prometheus v0.4.2 h1:sqfsYl5GIY/L570iT+l93ehxaWJs2/OwXtiWwew3oAg= +github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= +github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM= +github.com/cenkalti/backoff/v4 v4.2.1 h1:y4OZtCnogmCPw98Zjyt5a6+QwPLGkiQsYW5oUqylYbM= +github.com/cenkalti/backoff/v4 v4.2.1/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE= +github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU= +github.com/cespare/xxhash/v2 v2.2.0 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v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= +honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= diff --git a/receiver/namedpipereceiver/internal/metadata/generated_status.go b/receiver/namedpipereceiver/internal/metadata/generated_status.go new file mode 100644 index 000000000000..f8078b18c82e --- /dev/null +++ b/receiver/namedpipereceiver/internal/metadata/generated_status.go @@ -0,0 +1,12 @@ +// Code generated by mdatagen. DO NOT EDIT. + +package metadata + +import ( + "go.opentelemetry.io/collector/component" +) + +const ( + Type = "namedpipe" + LogsStability = component.StabilityLevelAlpha +) diff --git a/receiver/namedpipereceiver/metadata.yaml b/receiver/namedpipereceiver/metadata.yaml new file mode 100644 index 000000000000..7a2484200808 --- /dev/null +++ b/receiver/namedpipereceiver/metadata.yaml @@ -0,0 +1,9 @@ +type: namedpipe + +status: + class: receiver + stability: + alpha: [logs] + distributions: [contrib] + codeowners: + active: [djaglowski] diff --git a/receiver/namedpipereceiver/namedpipe.go b/receiver/namedpipereceiver/namedpipe.go new file mode 100644 index 000000000000..b81ea71ec31e --- /dev/null +++ b/receiver/namedpipereceiver/namedpipe.go @@ -0,0 +1,62 @@ +// Copyright The OpenTelemetry Authors +// SPDX-License-Identifier: Apache-2.0 + +package namedpipereceiver // import "github.com/open-telemetry/opentelemetry-collector-contrib/receiver/namedpipereceiver" + +import ( + "go.opentelemetry.io/collector/component" + "go.opentelemetry.io/collector/receiver" + + "github.com/open-telemetry/opentelemetry-collector-contrib/internal/coreinternal/consumerretry" + "github.com/open-telemetry/opentelemetry-collector-contrib/pkg/stanza/adapter" + "github.com/open-telemetry/opentelemetry-collector-contrib/pkg/stanza/operator" + "github.com/open-telemetry/opentelemetry-collector-contrib/pkg/stanza/operator/input/namedpipe" + "github.com/open-telemetry/opentelemetry-collector-contrib/receiver/namedpipereceiver/internal/metadata" +) + +func NewFactory() receiver.Factory { + return adapter.NewFactory(&ReceiverType{}, metadata.LogsStability) +} + +type ReceiverType struct{} + +// Type is the receiver type +func (f ReceiverType) Type() component.Type { + return metadata.Type +} + +// CreateDefaultConfig creates a config with type and version +func (f ReceiverType) CreateDefaultConfig() component.Config { + return createDefaultConfig() +} + +func createDefaultConfig() *NamedPipeConfig { + return &NamedPipeConfig{ + BaseConfig: adapter.BaseConfig{ + Operators: []operator.Config{}, + RetryOnFailure: consumerretry.NewDefaultConfig(), + }, + InputConfig: func() namedpipe.Config { + conf := namedpipe.NewConfig() + conf.Permissions = 0o666 + + return *conf + }(), + } +} + +// BaseConfig gets the base config from config, for now +func (f ReceiverType) BaseConfig(cfg component.Config) adapter.BaseConfig { + return cfg.(*NamedPipeConfig).BaseConfig +} + +// NamedPipeConfig defines configuration for the namedpipe receiver +type NamedPipeConfig struct { + InputConfig namedpipe.Config `mapstructure:",squash"` + adapter.BaseConfig `mapstructure:",squash"` +} + +// InputConfig unmarshals the input operator +func (f ReceiverType) InputConfig(cfg component.Config) operator.Config { + return operator.NewConfig(&cfg.(*NamedPipeConfig).InputConfig) +} diff --git a/receiver/namedpipereceiver/namedpipe_test.go b/receiver/namedpipereceiver/namedpipe_test.go new file mode 100644 index 000000000000..87426a9f84d8 --- /dev/null +++ b/receiver/namedpipereceiver/namedpipe_test.go @@ -0,0 +1,101 @@ +// Copyright The OpenTelemetry Authors +// SPDX-License-Identifier: Apache-2.0 + +package namedpipereceiver // import "github.com/open-telemetry/opentelemetry-collector-contrib/receiver/namedpipereceiver" + +import ( + "context" + "os" + "path/filepath" + "testing" + "time" + + "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/confmap/confmaptest" + "go.opentelemetry.io/collector/consumer/consumertest" + "go.opentelemetry.io/collector/receiver/receivertest" + "go.uber.org/zap" + + "github.com/open-telemetry/opentelemetry-collector-contrib/internal/coreinternal/consumerretry" + "github.com/open-telemetry/opentelemetry-collector-contrib/pkg/stanza/adapter" + "github.com/open-telemetry/opentelemetry-collector-contrib/pkg/stanza/operator" + "github.com/open-telemetry/opentelemetry-collector-contrib/pkg/stanza/operator/input/namedpipe" +) + +func TestDefaultConfig(t *testing.T) { + factory := NewFactory() + cfg := factory.CreateDefaultConfig() + require.NotNil(t, cfg, "failed to create default config") + require.NoError(t, componenttest.CheckConfigStruct(cfg)) +} + +func TestLoadConfig(t *testing.T) { + cm, err := confmaptest.LoadConf(filepath.Join("testdata", "config.yaml")) + require.NoError(t, err) + + factory := NewFactory() + cfg := factory.CreateDefaultConfig() + + sub, err := cm.Sub(component.NewID("namedpipe").String()) + require.NoError(t, err) + require.NoError(t, component.UnmarshalConfig(sub, cfg)) + + assert.NoError(t, component.ValidateConfig(cfg)) + assert.Equal(t, testdataConfigYaml(), cfg) +} + +func TestReadPipe(t *testing.T) { + t.Parallel() + + f := NewFactory() + sink := new(consumertest.LogsSink) + cfg := testdataConfigYaml() + + converter := adapter.NewConverter(zap.NewNop()) + converter.Start() + defer converter.Stop() + + rcvr, err := f.CreateLogsReceiver(context.Background(), receivertest.NewNopCreateSettings(), cfg, sink) + require.NoError(t, err, "failed to create receiver") + require.NoError(t, rcvr.Start(context.Background(), componenttest.NewNopHost())) + + pipe, err := os.OpenFile("/tmp/pipe", os.O_WRONLY, 0o600) + require.NoError(t, err, "failed to open pipe") + defer pipe.Close() + + // Write 10 logs into the pipe and assert that they all come out the other end. + numLogs := 10 + for i := 0; i < numLogs; i++ { + _, err = pipe.WriteString("test\n") + require.NoError(t, err, "failed to write to pipe") + } + + assert.Eventually(t, func() bool { + return sink.LogRecordCount() == numLogs + }, time.Second, 100*time.Millisecond) +} + +func testdataConfigYaml() *NamedPipeConfig { + return &NamedPipeConfig{ + BaseConfig: adapter.BaseConfig{ + Operators: []operator.Config{}, + RetryOnFailure: consumerretry.Config{ + Enabled: false, + InitialInterval: 1 * time.Second, + MaxInterval: 30 * time.Second, + MaxElapsedTime: 5 * time.Minute, + }, + }, + InputConfig: func() namedpipe.Config { + c := namedpipe.NewConfig() + c.Path = "/tmp/pipe" + c.Permissions = 0o600 + c.Encoding = "utf-8" + + return *c + }(), + } +} diff --git a/receiver/namedpipereceiver/testdata/config.yaml b/receiver/namedpipereceiver/testdata/config.yaml new file mode 100644 index 000000000000..aa0da50da0ad --- /dev/null +++ b/receiver/namedpipereceiver/testdata/config.yaml @@ -0,0 +1,4 @@ +namedpipe: + path: /tmp/pipe + mode: 0600 + encoding: utf-8 diff --git a/reports/distributions/contrib.yaml b/reports/distributions/contrib.yaml index f5746848b2b1..2fbef2930e6b 100644 --- a/reports/distributions/contrib.yaml +++ b/reports/distributions/contrib.yaml @@ -149,6 +149,7 @@ components: - mongodb - mongodbatlas - mysql + - namedpipe - nginx - nsxt - opencensus diff --git a/versions.yaml b/versions.yaml index 135e5400a988..b0a6e9da4d5c 100644 --- a/versions.yaml +++ b/versions.yaml @@ -213,6 +213,7 @@ module-sets: - github.com/open-telemetry/opentelemetry-collector-contrib/receiver/mongodbreceiver - github.com/open-telemetry/opentelemetry-collector-contrib/receiver/mongodbatlasreceiver - github.com/open-telemetry/opentelemetry-collector-contrib/receiver/mysqlreceiver + - github.com/open-telemetry/opentelemetry-collector-contrib/receiver/namedpipereceiver - github.com/open-telemetry/opentelemetry-collector-contrib/receiver/nginxreceiver - github.com/open-telemetry/opentelemetry-collector-contrib/receiver/nsxtreceiver - github.com/open-telemetry/opentelemetry-collector-contrib/receiver/opencensusreceiver