From 2027890428489e091839d1d487da44f2668c1301 Mon Sep 17 00:00:00 2001 From: Adam Charrett <73886859+adcharre@users.noreply.github.com> Date: Thu, 2 Nov 2023 20:34:16 +0000 Subject: [PATCH] Add Decouple and Batch Processors to Collector (#959) * Add Decouple and Batch Processors Add a new processor that decouples the receiver and exporter sides of the pipeline and is aware of lambda lifecycle events. Also add the Batch processor to the list of available processor to reduce the cost of lambda function invocation at the expense of data being delayed. * Fix missing go.sum entries * Add link to lambda lifecycle * Add additional comments to clarify lifecycle * Update README.md * Add Makefile to lambdalifecycle * Fix race detector error * Update dependencies --- collector/go.mod | 7 + collector/go.sum | 2 + collector/internal/lifecycle/manager.go | 40 +- collector/lambdacomponents/default.go | 4 + collector/lambdacomponents/go.mod | 7 + collector/lambdacomponents/go.sum | 2 + collector/lambdalifecycle/Makefile | 1 + collector/lambdalifecycle/go.mod | 3 + collector/lambdalifecycle/notifier.go | 43 ++ collector/main.go | 4 + .../processor/decoupleprocessor/Makefile | 1 + .../processor/decoupleprocessor/README.md | 28 ++ .../processor/decoupleprocessor/config.go | 31 ++ .../decoupleprocessor/config_test.go | 95 ++++ collector/processor/decoupleprocessor/doc.go | 17 + .../processor/decoupleprocessor/factory.go | 114 +++++ .../decoupleprocessor/factory_test.go | 72 +++ collector/processor/decoupleprocessor/go.mod | 46 ++ collector/processor/decoupleprocessor/go.sum | 461 ++++++++++++++++++ .../processor/decoupleprocessor/processor.go | 193 ++++++++ .../decoupleprocessor/processor_test.go | 186 +++++++ .../decoupleprocessor/testdata/config.yaml | 4 + 22 files changed, 1356 insertions(+), 5 deletions(-) create mode 100644 collector/lambdalifecycle/Makefile create mode 100644 collector/lambdalifecycle/go.mod create mode 100644 collector/lambdalifecycle/notifier.go create mode 100644 collector/processor/decoupleprocessor/Makefile create mode 100644 collector/processor/decoupleprocessor/README.md create mode 100644 collector/processor/decoupleprocessor/config.go create mode 100644 collector/processor/decoupleprocessor/config_test.go create mode 100644 collector/processor/decoupleprocessor/doc.go create mode 100644 collector/processor/decoupleprocessor/factory.go create mode 100644 collector/processor/decoupleprocessor/factory_test.go create mode 100644 collector/processor/decoupleprocessor/go.mod create mode 100644 collector/processor/decoupleprocessor/go.sum create mode 100644 collector/processor/decoupleprocessor/processor.go create mode 100644 collector/processor/decoupleprocessor/processor_test.go create mode 100644 collector/processor/decoupleprocessor/testdata/config.yaml diff --git a/collector/go.mod b/collector/go.mod index 32c5d6fe83..84e2cb08ae 100644 --- a/collector/go.mod +++ b/collector/go.mod @@ -4,8 +4,12 @@ go 1.20 replace github.com/open-telemetry/opentelemetry-lambda/collector/lambdacomponents => ./lambdacomponents +replace github.com/open-telemetry/opentelemetry-lambda/collector/lambdalifecycle => ./lambdalifecycle + replace github.com/open-telemetry/opentelemetry-lambda/collector/processor/coldstartprocessor => ./processor/coldstartprocessor +replace github.com/open-telemetry/opentelemetry-lambda/collector/processor/decoupleprocessor => ./processor/decoupleprocessor + replace github.com/open-telemetry/opentelemetry-lambda/collector/receiver/telemetryapireceiver => ./receiver/telemetryapireceiver // fixes ambiguous import error: found package cloud.google.com/go/compute/metadata in multiple modules: @@ -18,6 +22,7 @@ require ( github.com/golang-collections/go-datastructures v0.0.0-20150211160725-59788d5eb259 github.com/open-telemetry/opentelemetry-collector-contrib/confmap/provider/s3provider v0.88.0 github.com/open-telemetry/opentelemetry-lambda/collector/lambdacomponents v0.88.0 + github.com/open-telemetry/opentelemetry-lambda/collector/lambdalifecycle v0.0.0-00010101000000-000000000000 github.com/stretchr/testify v1.8.4 go.opentelemetry.io/collector/component v0.88.0 go.opentelemetry.io/collector/confmap v0.88.0 @@ -94,6 +99,7 @@ require ( github.com/open-telemetry/opentelemetry-collector-contrib/processor/resourceprocessor v0.88.0 // indirect github.com/open-telemetry/opentelemetry-collector-contrib/processor/spanprocessor v0.88.0 // indirect github.com/open-telemetry/opentelemetry-lambda/collector/processor/coldstartprocessor v0.88.0 // indirect + github.com/open-telemetry/opentelemetry-lambda/collector/processor/decoupleprocessor v0.0.0-00010101000000-000000000000 // indirect github.com/open-telemetry/opentelemetry-lambda/collector/receiver/telemetryapireceiver v0.88.0 // indirect github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect github.com/power-devops/perfstat v0.0.0-20210106213030-5aafc221ea8c // indirect @@ -138,6 +144,7 @@ require ( go.opentelemetry.io/collector/featuregate v1.0.0-rcv0017 // indirect go.opentelemetry.io/collector/pdata v1.0.0-rcv0017 // indirect go.opentelemetry.io/collector/processor v0.88.0 // indirect + go.opentelemetry.io/collector/processor/batchprocessor v0.88.0 // indirect go.opentelemetry.io/collector/processor/memorylimiterprocessor v0.88.0 // indirect go.opentelemetry.io/collector/receiver v0.88.0 // indirect go.opentelemetry.io/collector/receiver/otlpreceiver v0.88.0 // indirect diff --git a/collector/go.sum b/collector/go.sum index 510960108b..a6cbee36b0 100644 --- a/collector/go.sum +++ b/collector/go.sum @@ -643,6 +643,8 @@ go.opentelemetry.io/collector/pdata v1.0.0-rcv0017 h1:AgALhc2VenoA5l1DvTdg7mkzaB go.opentelemetry.io/collector/pdata v1.0.0-rcv0017/go.mod h1:Rv9fOclA5AtM/JGm0d4jBOIAo1+jBA13UT5Bx0ovXi4= go.opentelemetry.io/collector/processor v0.88.0 h1:5BUZaH+RhTpgTVqBZCrBnN/vl0M1CtwQsZ8ek4iH1lc= go.opentelemetry.io/collector/processor v0.88.0/go.mod h1:2T5KxgBQxXuuyMu9dh+PIBxQ/geCFYcdnjmlWZx8o3E= +go.opentelemetry.io/collector/processor/batchprocessor v0.88.0 h1:KEifeRMC9JysHpVhQPEyD29C+gqhP0cHuFpJMJUbE/Y= +go.opentelemetry.io/collector/processor/batchprocessor v0.88.0/go.mod h1:SQhHxRcZ92/DLufTYzb4xnxnR/uuW5makoqezBlJgJ4= go.opentelemetry.io/collector/processor/memorylimiterprocessor v0.88.0 h1:m37nR0I1F7ao3qAJtzHB4GwBr1qrtDaPKNfeBOYzDF0= go.opentelemetry.io/collector/processor/memorylimiterprocessor v0.88.0/go.mod h1:p5+E4COkqfUPip3q2HFGuieBZbryI0h8KPP7jNYZvsY= go.opentelemetry.io/collector/receiver v0.88.0 h1:MPvVAFOfjl0+Ylka7so8QoK8T2Za2471rv5t3sqbbSY= diff --git a/collector/internal/lifecycle/manager.go b/collector/internal/lifecycle/manager.go index 5ec1b6a69c..68f6939190 100644 --- a/collector/internal/lifecycle/manager.go +++ b/collector/internal/lifecycle/manager.go @@ -17,6 +17,7 @@ package lifecycle import ( "context" "fmt" + "github.com/open-telemetry/opentelemetry-lambda/collector/lambdalifecycle" "os" "os/signal" "path/filepath" @@ -42,11 +43,12 @@ type collectorWrapper interface { } type manager struct { - logger *zap.Logger - collector collectorWrapper - extensionClient *extensionapi.Client - listener *telemetryapi.Listener - wg sync.WaitGroup + logger *zap.Logger + collector collectorWrapper + extensionClient *extensionapi.Client + listener *telemetryapi.Listener + wg sync.WaitGroup + lifecycleListeners []lambdalifecycle.Listener } func NewManager(ctx context.Context, logger *zap.Logger, version string) (context.Context, *manager) { @@ -132,6 +134,7 @@ func (lm *manager) processEvents(ctx context.Context) error { // Exit if we receive a SHUTDOWN event if res.EventType == extensionapi.Shutdown { lm.logger.Info("Received SHUTDOWN event") + lm.notifyEnvironmentShutdown() lm.listener.Shutdown() err = lm.collector.Stop() if err != nil { @@ -142,10 +145,37 @@ func (lm *manager) processEvents(ctx context.Context) error { return err } + lm.notifyFunctionInvoked() + err = lm.listener.Wait(ctx, res.RequestID) if err != nil { lm.logger.Error("problem waiting for platform.runtimeDone event", zap.Error(err), zap.String("requestID", res.RequestID)) } + + // Check other components are ready before allowing the freezing of the environment. + lm.notifyFunctionFinished() } } } + +func (lm *manager) notifyFunctionInvoked() { + for _, listener := range lm.lifecycleListeners { + listener.FunctionInvoked() + } +} + +func (lm *manager) notifyFunctionFinished() { + for _, listener := range lm.lifecycleListeners { + listener.FunctionFinished() + } +} + +func (lm *manager) notifyEnvironmentShutdown() { + for _, listener := range lm.lifecycleListeners { + listener.EnvironmentShutdown() + } +} + +func (lm *manager) AddListener(listener lambdalifecycle.Listener) { + lm.lifecycleListeners = append(lm.lifecycleListeners, listener) +} diff --git a/collector/lambdacomponents/default.go b/collector/lambdacomponents/default.go index d9b8443982..7beaf3ece1 100644 --- a/collector/lambdacomponents/default.go +++ b/collector/lambdacomponents/default.go @@ -22,6 +22,7 @@ import ( "github.com/open-telemetry/opentelemetry-collector-contrib/processor/probabilisticsamplerprocessor" "github.com/open-telemetry/opentelemetry-collector-contrib/processor/resourceprocessor" "github.com/open-telemetry/opentelemetry-collector-contrib/processor/spanprocessor" + "github.com/open-telemetry/opentelemetry-lambda/collector/processor/decoupleprocessor" "go.opentelemetry.io/collector/exporter" "go.opentelemetry.io/collector/exporter/loggingexporter" "go.opentelemetry.io/collector/exporter/otlpexporter" @@ -29,6 +30,7 @@ import ( "go.opentelemetry.io/collector/extension" "go.opentelemetry.io/collector/otelcol" "go.opentelemetry.io/collector/processor" + "go.opentelemetry.io/collector/processor/batchprocessor" "go.opentelemetry.io/collector/processor/memorylimiterprocessor" "go.opentelemetry.io/collector/receiver" "go.opentelemetry.io/collector/receiver/otlpreceiver" @@ -67,6 +69,8 @@ func Components(extensionID string) (otelcol.Factories, error) { resourceprocessor.NewFactory(), spanprocessor.NewFactory(), coldstartprocessor.NewFactory(), + decoupleprocessor.NewFactory(), + batchprocessor.NewFactory(), ) if err != nil { errs = append(errs, err) diff --git a/collector/lambdacomponents/go.mod b/collector/lambdacomponents/go.mod index 34aeaea34a..d9a7d48ee5 100644 --- a/collector/lambdacomponents/go.mod +++ b/collector/lambdacomponents/go.mod @@ -11,6 +11,7 @@ require ( github.com/open-telemetry/opentelemetry-collector-contrib/processor/resourceprocessor v0.88.0 github.com/open-telemetry/opentelemetry-collector-contrib/processor/spanprocessor v0.88.0 github.com/open-telemetry/opentelemetry-lambda/collector/processor/coldstartprocessor v0.88.0 + github.com/open-telemetry/opentelemetry-lambda/collector/processor/decoupleprocessor v0.0.0-00010101000000-000000000000 github.com/open-telemetry/opentelemetry-lambda/collector/receiver/telemetryapireceiver v0.88.0 go.opentelemetry.io/collector/exporter v0.88.0 go.opentelemetry.io/collector/exporter/loggingexporter v0.88.0 @@ -19,6 +20,7 @@ require ( go.opentelemetry.io/collector/extension v0.88.0 go.opentelemetry.io/collector/otelcol v0.88.0 go.opentelemetry.io/collector/processor v0.88.0 + go.opentelemetry.io/collector/processor/batchprocessor v0.88.0 go.opentelemetry.io/collector/processor/memorylimiterprocessor v0.88.0 go.opentelemetry.io/collector/receiver v0.88.0 go.opentelemetry.io/collector/receiver/otlpreceiver v0.88.0 @@ -82,6 +84,7 @@ require ( github.com/open-telemetry/opentelemetry-collector-contrib/pkg/translator/prometheus v0.88.0 // indirect github.com/open-telemetry/opentelemetry-collector-contrib/pkg/translator/prometheusremotewrite v0.88.0 // indirect github.com/open-telemetry/opentelemetry-lambda/collector v0.88.0 // indirect + github.com/open-telemetry/opentelemetry-lambda/collector/lambdalifecycle v0.0.0-00010101000000-000000000000 // indirect github.com/power-devops/perfstat v0.0.0-20210106213030-5aafc221ea8c // indirect github.com/prometheus/client_golang v1.17.0 // indirect github.com/prometheus/client_model v0.5.0 // indirect @@ -163,6 +166,10 @@ replace cloud.google.com/go => cloud.google.com/go v0.107.0 replace github.com/open-telemetry/opentelemetry-lambda/collector => ../ +replace github.com/open-telemetry/opentelemetry-lambda/collector/lambdalifecycle => ../lambdalifecycle + replace github.com/open-telemetry/opentelemetry-lambda/collector/processor/coldstartprocessor => ../processor/coldstartprocessor +replace github.com/open-telemetry/opentelemetry-lambda/collector/processor/decoupleprocessor => ../processor/decoupleprocessor + replace github.com/open-telemetry/opentelemetry-lambda/collector/receiver/telemetryapireceiver => ../receiver/telemetryapireceiver diff --git a/collector/lambdacomponents/go.sum b/collector/lambdacomponents/go.sum index 899f821bc5..4436e5e2b2 100644 --- a/collector/lambdacomponents/go.sum +++ b/collector/lambdacomponents/go.sum @@ -626,6 +626,8 @@ go.opentelemetry.io/collector/pdata v1.0.0-rcv0017 h1:AgALhc2VenoA5l1DvTdg7mkzaB go.opentelemetry.io/collector/pdata v1.0.0-rcv0017/go.mod h1:Rv9fOclA5AtM/JGm0d4jBOIAo1+jBA13UT5Bx0ovXi4= go.opentelemetry.io/collector/processor v0.88.0 h1:5BUZaH+RhTpgTVqBZCrBnN/vl0M1CtwQsZ8ek4iH1lc= go.opentelemetry.io/collector/processor v0.88.0/go.mod h1:2T5KxgBQxXuuyMu9dh+PIBxQ/geCFYcdnjmlWZx8o3E= +go.opentelemetry.io/collector/processor/batchprocessor v0.88.0 h1:KEifeRMC9JysHpVhQPEyD29C+gqhP0cHuFpJMJUbE/Y= +go.opentelemetry.io/collector/processor/batchprocessor v0.88.0/go.mod h1:SQhHxRcZ92/DLufTYzb4xnxnR/uuW5makoqezBlJgJ4= go.opentelemetry.io/collector/processor/memorylimiterprocessor v0.88.0 h1:m37nR0I1F7ao3qAJtzHB4GwBr1qrtDaPKNfeBOYzDF0= go.opentelemetry.io/collector/processor/memorylimiterprocessor v0.88.0/go.mod h1:p5+E4COkqfUPip3q2HFGuieBZbryI0h8KPP7jNYZvsY= go.opentelemetry.io/collector/receiver v0.88.0 h1:MPvVAFOfjl0+Ylka7so8QoK8T2Za2471rv5t3sqbbSY= diff --git a/collector/lambdalifecycle/Makefile b/collector/lambdalifecycle/Makefile new file mode 100644 index 0000000000..39734bfaeb --- /dev/null +++ b/collector/lambdalifecycle/Makefile @@ -0,0 +1 @@ +include ../Makefile.Common diff --git a/collector/lambdalifecycle/go.mod b/collector/lambdalifecycle/go.mod new file mode 100644 index 0000000000..3a64be20b4 --- /dev/null +++ b/collector/lambdalifecycle/go.mod @@ -0,0 +1,3 @@ +module github.com/open-telemetry/opentelemetry-lambda/collector/lambdalifecycle + +go 1.20 diff --git a/collector/lambdalifecycle/notifier.go b/collector/lambdalifecycle/notifier.go new file mode 100644 index 0000000000..e4ca9a3d08 --- /dev/null +++ b/collector/lambdalifecycle/notifier.go @@ -0,0 +1,43 @@ +// 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 lambdalifecycle + +// Listener interface used to notify objects of Lambda lifecycle events. +type Listener interface { + // FunctionInvoked is called after the extension receives a "Next" notification. + FunctionInvoked() + // FunctionFinished is called after the extension is notified that the function has completed, but before the environment is frozen. + // The environment is only frozen once all listeners have returned. + FunctionFinished() + // EnvironmentShutdown is called when the extension is notified that the environment is about to shut down. + // Shutting down of the collector components only happens after all listeners have returned. + EnvironmentShutdown() +} + +type Notifier interface { + AddListener(listener Listener) +} + +var ( + notifier Notifier +) + +func SetNotifier(n Notifier) { + notifier = n +} + +func GetNotifier() Notifier { + return notifier +} diff --git a/collector/main.go b/collector/main.go index e7adb7703d..ea4ecc8c83 100644 --- a/collector/main.go +++ b/collector/main.go @@ -18,6 +18,7 @@ import ( "context" "flag" "fmt" + "github.com/open-telemetry/opentelemetry-lambda/collector/lambdalifecycle" "os" "go.uber.org/zap" @@ -47,6 +48,9 @@ func main() { ctx, lm := lifecycle.NewManager(context.Background(), logger, Version) + // Set the new lifecycle manager as the lifecycle notifier for all other components. + lambdalifecycle.SetNotifier(lm) + // Will block until shutdown event is received or cancelled via the context. logger.Info("done", zap.Error(lm.Run(ctx))) } diff --git a/collector/processor/decoupleprocessor/Makefile b/collector/processor/decoupleprocessor/Makefile new file mode 100644 index 0000000000..ded7a36092 --- /dev/null +++ b/collector/processor/decoupleprocessor/Makefile @@ -0,0 +1 @@ +include ../../Makefile.Common diff --git a/collector/processor/decoupleprocessor/README.md b/collector/processor/decoupleprocessor/README.md new file mode 100644 index 0000000000..dd0cc1bd72 --- /dev/null +++ b/collector/processor/decoupleprocessor/README.md @@ -0,0 +1,28 @@ +# Decouple Processor + +| Status | | +| ------------------------ |-----------------------| +| Stability | [in development] | +| Supported pipeline types | traces, metrics, logs | +| Distributions | [extension] | + +This processor decouples the receiver and exporter ends of the pipeline. This allows the lambda function to finish before traces/metrics/logs have been exported by the collector. The processor is aware of the Lambda [lifecycle] and will prevent the environment from being frozen or shutdown until any pending traces/metrics/logs have been exported. +In this way the response times of the Lambda function is not impacted by the need to export data, however the billed duration will include the time taken to export data as well as runtime of the lambda function. + +The decouple processor should always be the last processor in the list to ensure that there are no issues with data being sent while the environment is about to be frozen, which could result in lost data. + +When combined with the batch processor, the number of exports required can be significantly reduced and therefore the cost of running the lambda. This is with the trade-off that the data will not be available at your chosen endpoint until some time after the invocation, up to a maximum of 5 minutes (the timeout that the environment is shutdown when no further invocations are received). + +## Processor Configuration + +```yaml +processors: + decouple: + # max_queue_size allows you to control how many spans etc. are accepted before the pipeline blocks + # until an export has been completed. Default value is 200. + max_queue_size: 20 +``` + +[in development]: https://github.com/open-telemetry/opentelemetry-collector#development +[extension]: https://github.com/open-telemetry/opentelemetry-lambda/collector +[lifecycle]: https://docs.aws.amazon.com/lambda/latest/dg/runtimes-extensions-api.html#runtimes-extensions-api-lifecycle \ No newline at end of file diff --git a/collector/processor/decoupleprocessor/config.go b/collector/processor/decoupleprocessor/config.go new file mode 100644 index 0000000000..8c720c8b5c --- /dev/null +++ b/collector/processor/decoupleprocessor/config.go @@ -0,0 +1,31 @@ +// 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 decoupleprocessor // import "github.com/open-telemetry/opentelemetry-lambda/collector/processor/decoupleprocessor" +import "errors" + +// Config defines the configuration for the various elements of the processor. +type Config struct { + MaxQueueSize uint32 `mapstructure:"max_queue_size"` +} + +var invalidMaxQueueSizeError = errors.New("max_queue_size must be greater than 0") + +// Validate validates the configuration by checking for missing or invalid fields +func (cfg *Config) Validate() error { + if cfg.MaxQueueSize == 0 { + return invalidMaxQueueSizeError + } + return nil +} diff --git a/collector/processor/decoupleprocessor/config_test.go b/collector/processor/decoupleprocessor/config_test.go new file mode 100644 index 0000000000..1330888709 --- /dev/null +++ b/collector/processor/decoupleprocessor/config_test.go @@ -0,0 +1,95 @@ +// 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 decoupleprocessor // import "github.com/open-telemetry/opentelemetry-lambda/collector/processor/decoupleprocessor" + +import ( + "go.opentelemetry.io/collector/component" + "go.opentelemetry.io/collector/confmap/confmaptest" + "path/filepath" + "testing" + + "github.com/stretchr/testify/assert" + "github.com/stretchr/testify/require" +) + +func TestValidate(t *testing.T) { + testCases := []struct { + desc string + cfg *Config + expectedErr error + }{ + { + desc: "valid config", + cfg: &Config{ + MaxQueueSize: 1, + }, + expectedErr: nil, + }, + { + desc: "invalid config", + cfg: &Config{}, + expectedErr: invalidMaxQueueSizeError, + }, + } + + for _, tc := range testCases { + t.Run(tc.desc, func(t *testing.T) { + actualErr := tc.cfg.Validate() + if tc.expectedErr != nil { + require.EqualError(t, actualErr, tc.expectedErr.Error()) + } else { + require.NoError(t, actualErr) + } + + }) + } +} + +func TestLoadConfig(t *testing.T) { + t.Parallel() + + tests := []struct { + id component.ID + expected component.Config + }{ + { + id: component.NewIDWithName(typeStr, ""), + expected: &Config{ + MaxQueueSize: 100, + }, + }, + { + id: component.NewIDWithName(typeStr, "empty"), + expected: createDefaultConfig(), + }, + } + + for _, tt := range tests { + t.Run(tt.id.String(), func(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(tt.id.String()) + require.NoError(t, err) + require.NoError(t, component.UnmarshalConfig(sub, cfg)) + + assert.NoError(t, component.ValidateConfig(cfg)) + assert.Equal(t, tt.expected, cfg) + }) + } +} diff --git a/collector/processor/decoupleprocessor/doc.go b/collector/processor/decoupleprocessor/doc.go new file mode 100644 index 0000000000..c51f4a0f3c --- /dev/null +++ b/collector/processor/decoupleprocessor/doc.go @@ -0,0 +1,17 @@ +// 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 decoupleprocessor allows the receiver and export sides of a pipeline to be decoupled and allow the +// receiver to return while the export side is still executing. +package decoupleprocessor // import "github.com/open-telemetry/opentelemetry-lambda/collector/processor/decoupleprocessor" diff --git a/collector/processor/decoupleprocessor/factory.go b/collector/processor/decoupleprocessor/factory.go new file mode 100644 index 0000000000..b973ad2694 --- /dev/null +++ b/collector/processor/decoupleprocessor/factory.go @@ -0,0 +1,114 @@ +// 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 decoupleprocessor // import "github.com/open-telemetry/opentelemetry-lambda/collector/processor/decoupleprocessor" + +import ( + "context" + "errors" + + "go.opentelemetry.io/collector/component" + "go.opentelemetry.io/collector/consumer" + "go.opentelemetry.io/collector/processor" + "go.opentelemetry.io/collector/processor/processorhelper" +) + +const ( + typeStr = "decouple" + stability = component.StabilityLevelDevelopment +) + +var ( + errConfigNotDecouple = errors.New("config was not a decouple processor config") + processorCapabilities = consumer.Capabilities{MutatesData: false} +) + +func NewFactory() processor.Factory { + return processor.NewFactory( + typeStr, + createDefaultConfig, + processor.WithTraces(createTracesProcessor, stability), + processor.WithMetrics(createMetricsProcessor, stability), + processor.WithLogs(createLogsProcessor, stability), + ) +} + +func createDefaultConfig() component.Config { + return &Config{ + MaxQueueSize: 200, + } +} + +func createTracesProcessor(ctx context.Context, params processor.CreateSettings, rConf component.Config, next consumer.Traces) (processor.Traces, error) { + cfg, ok := rConf.(*Config) + if !ok { + return nil, errConfigNotDecouple + } + + dp, err := newDecoupleTracesProcessor(cfg, next, params) + if err != nil { + return nil, err + } + return processorhelper.NewTracesProcessor( + ctx, + params, + cfg, + next, + dp.processTraces, + processorhelper.WithCapabilities(processorCapabilities), + processorhelper.WithShutdown(dp.shutdown), + ) +} + +func createMetricsProcessor(ctx context.Context, params processor.CreateSettings, rConf component.Config, next consumer.Metrics) (processor.Metrics, error) { + cfg, ok := rConf.(*Config) + if !ok { + return nil, errConfigNotDecouple + } + dp, err := newDecoupleMetricsProcessor(cfg, next, params) + if err != nil { + return nil, err + } + + return processorhelper.NewMetricsProcessor( + ctx, + params, + cfg, + next, + dp.processMetrics, + processorhelper.WithCapabilities(processorCapabilities), + processorhelper.WithShutdown(dp.shutdown), + ) +} + +func createLogsProcessor(ctx context.Context, params processor.CreateSettings, rConf component.Config, next consumer.Logs) (processor.Logs, error) { + cfg, ok := rConf.(*Config) + if !ok { + return nil, errConfigNotDecouple + } + dp, err := newDecoupleLogsProcessor(cfg, next, params) + if err != nil { + return nil, err + } + + return processorhelper.NewLogsProcessor( + ctx, + params, + cfg, + next, + dp.processLogs, + processorhelper.WithCapabilities(processorCapabilities), + processorhelper.WithShutdown(dp.shutdown), + ) +} diff --git a/collector/processor/decoupleprocessor/factory_test.go b/collector/processor/decoupleprocessor/factory_test.go new file mode 100644 index 0000000000..cd9aeda564 --- /dev/null +++ b/collector/processor/decoupleprocessor/factory_test.go @@ -0,0 +1,72 @@ +// 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 decoupleprocessor // import "github.com/open-telemetry/opentelemetry-lambda/collector/processor/decoupleprocessor" + +import ( + "context" + "github.com/open-telemetry/opentelemetry-lambda/collector/lambdalifecycle" + "testing" + + "github.com/stretchr/testify/require" + "go.opentelemetry.io/collector/consumer/consumertest" + "go.opentelemetry.io/collector/processor/processortest" +) + +func TestNewFactory(t *testing.T) { + lambdalifecycle.SetNotifier(&MockLifecycleNotifier{}) + testCases := []struct { + desc string + testFunc func(*testing.T) + }{ + { + desc: "creates a new factory with correct type", + testFunc: func(t *testing.T) { + factory := NewFactory() + require.EqualValues(t, typeStr, factory.Type()) + }, + }, + { + desc: "creates a new factory and CreateTracesProcessor returns no error", + testFunc: func(t *testing.T) { + factory := NewFactory() + cfg := factory.CreateDefaultConfig() + _, err := factory.CreateTracesProcessor( + context.Background(), + processortest.NewNopCreateSettings(), + cfg, + consumertest.NewNop(), + ) + require.NoError(t, err) + }, + }, + { + desc: "creates a new factory and CreateTracesProcessor returns error with incorrect config", + testFunc: func(t *testing.T) { + factory := NewFactory() + _, err := factory.CreateTracesProcessor( + context.Background(), + processortest.NewNopCreateSettings(), + nil, + consumertest.NewNop(), + ) + require.ErrorIs(t, err, errConfigNotDecouple) + }, + }, + } + + for _, tc := range testCases { + t.Run(tc.desc, tc.testFunc) + } +} diff --git a/collector/processor/decoupleprocessor/go.mod b/collector/processor/decoupleprocessor/go.mod new file mode 100644 index 0000000000..7c50eab5d0 --- /dev/null +++ b/collector/processor/decoupleprocessor/go.mod @@ -0,0 +1,46 @@ +module github.com/open-telemetry/opentelemetry-lambda/collector/processor/decoupleprocessor + +replace github.com/open-telemetry/opentelemetry-lambda/collector/lambdalifecycle => ../../lambdalifecycle + +go 1.20 + +require ( + github.com/open-telemetry/opentelemetry-lambda/collector/lambdalifecycle v0.0.0-00010101000000-000000000000 + github.com/stretchr/testify v1.8.4 + go.opentelemetry.io/collector v0.88.0 + go.opentelemetry.io/collector/component v0.88.0 + go.opentelemetry.io/collector/confmap v0.88.0 + go.opentelemetry.io/collector/consumer v0.88.0 + go.opentelemetry.io/collector/pdata v1.0.0-rcv0017 + go.opentelemetry.io/collector/processor v0.88.0 + go.uber.org/zap v1.26.0 +) + +require ( + github.com/davecgh/go-spew v1.1.1 // 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 v1.5.0 // indirect + github.com/knadh/koanf/v2 v2.0.1 // 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/config/configtelemetry v0.88.0 // indirect + go.opentelemetry.io/collector/featuregate v1.0.0-rcv0017 // indirect + go.opentelemetry.io/otel v1.19.0 // indirect + go.opentelemetry.io/otel/metric v1.19.0 // indirect + go.opentelemetry.io/otel/trace v1.19.0 // indirect + go.uber.org/multierr v1.11.0 // indirect + golang.org/x/net v0.17.0 // indirect + golang.org/x/sys v0.13.0 // indirect + golang.org/x/text v0.13.0 // 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 +) diff --git a/collector/processor/decoupleprocessor/go.sum 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v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc= diff --git a/collector/processor/decoupleprocessor/processor.go b/collector/processor/decoupleprocessor/processor.go new file mode 100644 index 0000000000..0c56117893 --- /dev/null +++ b/collector/processor/decoupleprocessor/processor.go @@ -0,0 +1,193 @@ +// 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 decoupleprocessor // import "github.com/open-telemetry/opentelemetry-lambda/collector/processor/decoupleprocessor" + +import ( + "context" + "errors" + "github.com/open-telemetry/opentelemetry-lambda/collector/lambdalifecycle" + "go.opentelemetry.io/collector/client" + "go.opentelemetry.io/collector/pdata/plog" + "go.opentelemetry.io/collector/pdata/pmetric" + "go.opentelemetry.io/collector/processor/processorhelper" + "sync" + + "go.opentelemetry.io/collector/consumer" + "go.opentelemetry.io/collector/pdata/ptrace" + "go.opentelemetry.io/collector/processor" + "go.uber.org/zap" +) + +var ( + incorrectDataTypeError = errors.New("incorrect data type") + noLifecycleNotifierError = errors.New("no lifecycle notifier set") +) + +type decoupleConsumer interface { + consume(context.Context, any) error +} + +type contextualData struct { + info client.Info + data any +} + +type decoupleProcessor struct { + logger *zap.Logger + consumer decoupleConsumer + + data chan contextualData + + wg sync.WaitGroup +} + +func (p *decoupleProcessor) queueData(ctx context.Context, data any) { + p.data <- contextualData{ + info: client.FromContext(ctx), + data: data, + } +} + +func (p *decoupleProcessor) processTraces(ctx context.Context, td ptrace.Traces) (ptrace.Traces, error) { + p.queueData(ctx, &td) + return td, processorhelper.ErrSkipProcessingData +} + +func (p *decoupleProcessor) processMetrics(ctx context.Context, md pmetric.Metrics) (pmetric.Metrics, error) { + p.queueData(ctx, &md) + return md, processorhelper.ErrSkipProcessingData +} + +func (p *decoupleProcessor) processLogs(ctx context.Context, ld plog.Logs) (plog.Logs, error) { + p.queueData(ctx, &ld) + return ld, processorhelper.ErrSkipProcessingData +} + +func (p *decoupleProcessor) startForwardingData() { + p.wg.Add(1) + go func() { + defer p.wg.Done() + p.logger.Info("started forwarding data") + for { + d := <-p.data + if d.data == nil { + break + } + if err := p.consumer.consume(client.NewContext(context.Background(), d.info), d.data); err != nil { + p.logger.Error("next consumer failed", zap.Error(err)) + } + } + p.logger.Info("stopped forwarding data") + }() +} + +func (p *decoupleProcessor) stopForwardingData() { + p.data <- contextualData{} + p.wg.Wait() +} + +func (p *decoupleProcessor) shutdown(ctx context.Context) error { + p.stopForwardingData() + return nil +} + +func (p *decoupleProcessor) FunctionInvoked() { + p.startForwardingData() +} + +func (p *decoupleProcessor) FunctionFinished() { + // Stop forwarding data to ensure that we don't have issues with network interruptions if the environment is frozen. + p.stopForwardingData() +} + +func (p *decoupleProcessor) EnvironmentShutdown() { + // Start the forwarder to ensure any traces left in the pipeline can be sent when the collector is shutdown. + p.startForwardingData() +} + +func newDecoupleProcessor( + cfg *Config, + consumer decoupleConsumer, + set processor.CreateSettings, +) (*decoupleProcessor, error) { + dp := &decoupleProcessor{ + consumer: consumer, + logger: set.Logger, + data: make(chan contextualData, cfg.MaxQueueSize), + } + if notifier := lambdalifecycle.GetNotifier(); notifier == nil { + return nil, noLifecycleNotifierError + } else { + notifier.AddListener(dp) + } + return dp, nil +} + +type decoupleTraceConsumer struct { + nextConsumer consumer.Traces +} + +func (tc *decoupleTraceConsumer) consume(ctx context.Context, data any) error { + if td, ok := data.(*ptrace.Traces); ok { + return tc.nextConsumer.ConsumeTraces(ctx, *td) + } else { + return incorrectDataTypeError + } +} + +func newDecoupleTracesProcessor(cfg *Config, + next consumer.Traces, + set processor.CreateSettings, +) (*decoupleProcessor, error) { + return newDecoupleProcessor(cfg, &decoupleTraceConsumer{nextConsumer: next}, set) +} + +type decoupleMetricsConsumer struct { + nextConsumer consumer.Metrics +} + +func (tc *decoupleMetricsConsumer) consume(ctx context.Context, data any) error { + if md, ok := data.(*pmetric.Metrics); ok { + return tc.nextConsumer.ConsumeMetrics(ctx, *md) + } else { + return incorrectDataTypeError + } +} + +func newDecoupleMetricsProcessor(cfg *Config, + next consumer.Metrics, + set processor.CreateSettings, +) (*decoupleProcessor, error) { + return newDecoupleProcessor(cfg, &decoupleMetricsConsumer{nextConsumer: next}, set) +} + +type decoupleLogsConsumer struct { + nextConsumer consumer.Logs +} + +func (tc *decoupleLogsConsumer) consume(ctx context.Context, data any) error { + if ld, ok := data.(*plog.Logs); ok { + return tc.nextConsumer.ConsumeLogs(ctx, *ld) + } else { + return incorrectDataTypeError + } +} + +func newDecoupleLogsProcessor(cfg *Config, + next consumer.Logs, + set processor.CreateSettings, +) (*decoupleProcessor, error) { + return newDecoupleProcessor(cfg, &decoupleLogsConsumer{nextConsumer: next}, set) +} diff --git a/collector/processor/decoupleprocessor/processor_test.go b/collector/processor/decoupleprocessor/processor_test.go new file mode 100644 index 0000000000..4e8a5f714d --- /dev/null +++ b/collector/processor/decoupleprocessor/processor_test.go @@ -0,0 +1,186 @@ +package decoupleprocessor + +import ( + "context" + "errors" + "github.com/open-telemetry/opentelemetry-lambda/collector/lambdalifecycle" + "github.com/stretchr/testify/require" + "go.opentelemetry.io/collector/client" + "go.opentelemetry.io/collector/processor/processortest" + "sync" + "testing" + "time" +) + +type MockLifecycleNotifier struct { + listener lambdalifecycle.Listener +} + +func (m *MockLifecycleNotifier) AddListener(l lambdalifecycle.Listener) { + m.listener = l +} + +type MockConsumer struct { + info client.Info + dataReceived chan any + lock sync.Mutex + gotData bool + data any +} + +func (m *MockConsumer) consume(ctx context.Context, data any) error { + m.info = client.FromContext(ctx) + m.dataReceived <- data + return nil +} + +func (m *MockConsumer) receiveDataAfter(d time.Duration) { + go func() { + time.Sleep(d) + m.gotData = false + select { + case data := <-m.dataReceived: + m.lock.Lock() + m.data = data + m.gotData = true + m.lock.Unlock() + } + }() +} + +func (m *MockConsumer) getReceivedData() (any, error) { + m.lock.Lock() + gotData := m.gotData + data := m.data + m.lock.Unlock() + if gotData { + return data, nil + } + + return nil, errors.New("no data received") +} + +func newMockConsumer() *MockConsumer { + m := MockConsumer{ + info: client.Info{}, + dataReceived: make(chan any), + } + return &m +} + +func Test_newDecoupleProcessor(t *testing.T) { + notifier := &MockLifecycleNotifier{} + config := &Config{MaxQueueSize: 1} + type args struct { + cfg *Config + consumer decoupleConsumer + } + tests := []struct { + name string + notifier lambdalifecycle.Notifier + args args + wantErr bool + }{ + { + name: "No Lifecycle notifier set", + args: args{ + cfg: config, + consumer: newMockConsumer(), + }, + notifier: nil, + wantErr: true, + }, + { + name: "Successful creation", + notifier: notifier, + args: args{ + cfg: config, + consumer: &MockConsumer{}, + }, + wantErr: false, + }, + } + for _, tt := range tests { + t.Run(tt.name, func(t *testing.T) { + lambdalifecycle.SetNotifier(tt.notifier) + + dp, err := newDecoupleProcessor(tt.args.cfg, tt.args.consumer, processortest.NewNopCreateSettings()) + if tt.wantErr { + require.Error(t, err) + } else { + require.Equal(t, nil, err) + } + + if tt.notifier == notifier { + require.Equal(t, notifier.listener, dp, "newDecoupleProcessor() did not register a lifecycle listener!") + } + }) + } +} + +func TestLifecycle(t *testing.T) { + consumer := newMockConsumer() + notifier := &MockLifecycleNotifier{} + config := &Config{MaxQueueSize: 1} + lambdalifecycle.SetNotifier(notifier) + + t.Run("create and otelcol shutdown only", func(t *testing.T) { + dp, err := newDecoupleProcessor(config, consumer, processortest.NewNopCreateSettings()) + require.NoError(t, err) + require.NoError(t, dp.shutdown(context.Background())) + }) + + t.Run("full lifecycle", func(t *testing.T) { + dp, err := newDecoupleProcessor(config, consumer, processortest.NewNopCreateSettings()) + require.NoError(t, err) + + dp.FunctionInvoked() + dp.FunctionFinished() + dp.EnvironmentShutdown() + + require.NoError(t, dp.shutdown(context.Background())) + }) + + t.Run("full lifecycle with data from function", func(t *testing.T) { + dp, err := newDecoupleProcessor(config, consumer, processortest.NewNopCreateSettings()) + require.NoError(t, err) + + dp.FunctionInvoked() + + // Check that data waiting to be sent delays the completion of FunctionFinished() + expectedData := "data" + dp.queueData(client.NewContext(context.Background(), client.Info{}), expectedData) + start := time.Now() + consumer.receiveDataAfter(200 * time.Millisecond) + dp.FunctionFinished() + finish := time.Now() + require.WithinRange(t, finish, start.Add(200*time.Millisecond), start.Add(300*time.Millisecond)) + data, err := consumer.getReceivedData() + require.NoError(t, err) + require.Equal(t, expectedData, data) + + dp.EnvironmentShutdown() + require.NoError(t, dp.shutdown(context.Background())) + }) + + t.Run("full lifecycle with data before shutdown", func(t *testing.T) { + dp, err := newDecoupleProcessor(config, consumer, processortest.NewNopCreateSettings()) + require.NoError(t, err) + + dp.FunctionInvoked() + dp.FunctionFinished() + dp.EnvironmentShutdown() + + // Check that data waiting to be sent delays the completion of shutdown() + expectedData := "data" + dp.queueData(client.NewContext(context.Background(), client.Info{}), expectedData) + start := time.Now() + consumer.receiveDataAfter(200 * time.Millisecond) + require.NoError(t, dp.shutdown(context.Background())) + finish := time.Now() + require.WithinRange(t, finish, start.Add(200*time.Millisecond), start.Add(300*time.Millisecond)) + data, err := consumer.getReceivedData() + require.NoError(t, err) + require.Equal(t, expectedData, data) + }) +} diff --git a/collector/processor/decoupleprocessor/testdata/config.yaml b/collector/processor/decoupleprocessor/testdata/config.yaml new file mode 100644 index 0000000000..53ba3f97c3 --- /dev/null +++ b/collector/processor/decoupleprocessor/testdata/config.yaml @@ -0,0 +1,4 @@ +decouple: + max_queue_size: 100 + +decouple/empty: \ No newline at end of file