From b56bb23b6056e6ffb3ca478334086eabd169c98a Mon Sep 17 00:00:00 2001 From: Vishal Raj Date: Mon, 25 Nov 2024 15:58:28 +0000 Subject: [PATCH] [connector/signaltometrics] Add boilerplate for the connector (#36454) #### Description Adds boilerplate code for a new signal to metrics connector. #### Link to tracking issue Part of https://github.com/open-telemetry/opentelemetry-collector-contrib/issues/35930 #### Testing Unit tests provided as required. #### Documentation Added basic README. Will add more details with future commits. CC: @ChrsMark --------- Co-authored-by: Christos Markou --- .chloggen/add-signaltometrics-connector.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 + .github/ISSUE_TEMPLATE/unmaintained.yaml | 1 + connector/signaltometricsconnector/Makefile | 1 + connector/signaltometricsconnector/README.md | 227 ++++++++++++++++++ .../signaltometricsconnector/config/config.go | 62 +++++ .../config/config_test.go | 51 ++++ .../signaltometricsconnector/connector.go | 50 ++++ connector/signaltometricsconnector/doc.go | 7 + connector/signaltometricsconnector/factory.go | 57 +++++ .../signaltometricsconnector/factory_test.go | 90 +++++++ .../generated_component_test.go | 88 +++++++ .../generated_package_test.go | 13 + connector/signaltometricsconnector/go.mod | 55 +++++ connector/signaltometricsconnector/go.sum | 140 +++++++++++ .../internal/metadata/generated_status.go | 18 ++ .../signaltometricsconnector/metadata.yaml | 33 +++ .../testdata/configs/empty.yaml | 1 + versions.yaml | 1 + 22 files changed, 926 insertions(+) create mode 100644 .chloggen/add-signaltometrics-connector.yaml create mode 100644 connector/signaltometricsconnector/Makefile create mode 100644 connector/signaltometricsconnector/README.md create mode 100644 connector/signaltometricsconnector/config/config.go create mode 100644 connector/signaltometricsconnector/config/config_test.go create mode 100644 connector/signaltometricsconnector/connector.go create mode 100644 connector/signaltometricsconnector/doc.go create mode 100644 connector/signaltometricsconnector/factory.go create mode 100644 connector/signaltometricsconnector/factory_test.go create mode 100644 connector/signaltometricsconnector/generated_component_test.go create mode 100644 connector/signaltometricsconnector/generated_package_test.go create mode 100644 connector/signaltometricsconnector/go.mod create mode 100644 connector/signaltometricsconnector/go.sum create mode 100644 connector/signaltometricsconnector/internal/metadata/generated_status.go create mode 100644 connector/signaltometricsconnector/metadata.yaml create mode 100644 connector/signaltometricsconnector/testdata/configs/empty.yaml diff --git a/.chloggen/add-signaltometrics-connector.yaml b/.chloggen/add-signaltometrics-connector.yaml new file mode 100644 index 000000000000..2cd05341aa91 --- /dev/null +++ b/.chloggen/add-signaltometrics-connector.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: signaltometricsconnector + +# A brief description of the change. Surround your text with quotes ("") if it needs to start with a backtick (`). +note: New component for generating metrics from raw signals using user defined OTTL expressions. + +# Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists. +issues: [35930] + +# (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: [user] diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS index db9f71d9b591..b4c2ee1be453 100644 --- a/.github/CODEOWNERS +++ b/.github/CODEOWNERS @@ -34,6 +34,7 @@ connector/otlpjsonconnector/ @open-telemetry/collector-cont connector/roundrobinconnector/ @open-telemetry/collector-contrib-approvers @bogdandrutu connector/routingconnector/ @open-telemetry/collector-contrib-approvers @jpkrohling @mwear connector/servicegraphconnector/ @open-telemetry/collector-contrib-approvers @jpkrohling @mapno @JaredTan95 +connector/signaltometricsconnector/ @open-telemetry/collector-contrib-approvers @ChrsMark @lahsivjar connector/spanmetricsconnector/ @open-telemetry/collector-contrib-approvers @portertech @Frapschen connector/sumconnector/ @open-telemetry/collector-contrib-approvers @greatestusername @shalper2 @crobert-1 diff --git a/.github/ISSUE_TEMPLATE/bug_report.yaml b/.github/ISSUE_TEMPLATE/bug_report.yaml index 98f983d5be27..ab96338064cf 100644 --- a/.github/ISSUE_TEMPLATE/bug_report.yaml +++ b/.github/ISSUE_TEMPLATE/bug_report.yaml @@ -35,6 +35,7 @@ body: - connector/roundrobin - connector/routing - connector/servicegraph + - connector/signaltometrics - connector/spanmetrics - connector/sum - examples/demo diff --git a/.github/ISSUE_TEMPLATE/feature_request.yaml b/.github/ISSUE_TEMPLATE/feature_request.yaml index 04c05ffd67aa..fb9696d0ba4f 100644 --- a/.github/ISSUE_TEMPLATE/feature_request.yaml +++ b/.github/ISSUE_TEMPLATE/feature_request.yaml @@ -29,6 +29,7 @@ body: - connector/roundrobin - connector/routing - connector/servicegraph + - connector/signaltometrics - connector/spanmetrics - connector/sum - examples/demo diff --git a/.github/ISSUE_TEMPLATE/other.yaml b/.github/ISSUE_TEMPLATE/other.yaml index 948fdcf0bd2d..ea3f84ae7c2a 100644 --- a/.github/ISSUE_TEMPLATE/other.yaml +++ b/.github/ISSUE_TEMPLATE/other.yaml @@ -29,6 +29,7 @@ body: - connector/roundrobin - connector/routing - connector/servicegraph + - connector/signaltometrics - connector/spanmetrics - connector/sum - examples/demo diff --git a/.github/ISSUE_TEMPLATE/unmaintained.yaml b/.github/ISSUE_TEMPLATE/unmaintained.yaml index 213c8c90c970..872b01a511d9 100644 --- a/.github/ISSUE_TEMPLATE/unmaintained.yaml +++ b/.github/ISSUE_TEMPLATE/unmaintained.yaml @@ -34,6 +34,7 @@ body: - connector/roundrobin - connector/routing - connector/servicegraph + - connector/signaltometrics - connector/spanmetrics - connector/sum - examples/demo diff --git a/connector/signaltometricsconnector/Makefile b/connector/signaltometricsconnector/Makefile new file mode 100644 index 000000000000..ded7a36092dc --- /dev/null +++ b/connector/signaltometricsconnector/Makefile @@ -0,0 +1 @@ +include ../../Makefile.Common diff --git a/connector/signaltometricsconnector/README.md b/connector/signaltometricsconnector/README.md new file mode 100644 index 000000000000..9e0851209780 --- /dev/null +++ b/connector/signaltometricsconnector/README.md @@ -0,0 +1,227 @@ +# Signal to metrics connector + +Signal to metrics connector produces metrics from all signal types (traces, +logs, or metrics). + + +| Status | | +| ------------- |-----------| +| Distributions | [] | +| Issues | [![Open issues](https://img.shields.io/github/issues-search/open-telemetry/opentelemetry-collector-contrib?query=is%3Aissue%20is%3Aopen%20label%3Aconnector%2Fsignaltometrics%20&label=open&color=orange&logo=opentelemetry)](https://github.com/open-telemetry/opentelemetry-collector-contrib/issues?q=is%3Aopen+is%3Aissue+label%3Aconnector%2Fsignaltometrics) [![Closed issues](https://img.shields.io/github/issues-search/open-telemetry/opentelemetry-collector-contrib?query=is%3Aissue%20is%3Aclosed%20label%3Aconnector%2Fsignaltometrics%20&label=closed&color=blue&logo=opentelemetry)](https://github.com/open-telemetry/opentelemetry-collector-contrib/issues?q=is%3Aclosed+is%3Aissue+label%3Aconnector%2Fsignaltometrics) | +| [Code Owners](https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/main/CONTRIBUTING.md#becoming-a-code-owner) | [@ChrsMark](https://www.github.com/ChrsMark), [@lahsivjar](https://www.github.com/lahsivjar) | + +[development]: https://github.com/open-telemetry/opentelemetry-collector/blob/main/docs/component-stability.md#development + +## Supported Pipeline Types + +| [Exporter Pipeline Type] | [Receiver Pipeline Type] | [Stability Level] | +| ------------------------ | ------------------------ | ----------------- | +| traces | metrics | [development] | +| logs | metrics | [development] | +| metrics | metrics | [development] | + +[Exporter Pipeline Type]: https://github.com/open-telemetry/opentelemetry-collector/blob/main/connector/README.md#exporter-pipeline-type +[Receiver Pipeline Type]: https://github.com/open-telemetry/opentelemetry-collector/blob/main/connector/README.md#receiver-pipeline-type +[Stability Level]: https://github.com/open-telemetry/opentelemetry-collector/blob/main/docs/component-stability.md#stability-levels + + +## Configuration + +The component can produce metrics from spans, datapoints (for metrics), and logs. +At least one of the metrics for one signal type MUST be specified correctly for +the component to work. + +All signal types can be configured to produce metrics with the same configuration +structure. For example, the below configuration will produce delta temporality counters +for counting number of events for each of the configured signals: + +```yaml +signaltometrics: + spans: + - name: span.count + description: Count of spans + sum: + value: Int(AbsoluteCount()) # Count of total spans represented by each span + datapoints: + - name: datapoint.count + description: Count of datapoints + sum: + value: "1" # increment by 1 for each datapoint + logs: + - name: logrecord.count + description: Count of log records + sum: + value: "1" # increment by 1 for each log record +``` + +### Metrics types + +`signaltometrics` produces a variety of metric types by utilizing [OTTL](https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/main/pkg/ottl/README.md) +to extract the relevant data for a metric type from the incoming data. The +component can produce the following metric types for each signal types: + +- [Sum](https://opentelemetry.io/docs/specs/otel/metrics/data-model/#sums) +- [Histogram](https://opentelemetry.io/docs/specs/otel/metrics/data-model/#histogram) +- [Exponential Histogram](https://opentelemetry.io/docs/specs/otel/metrics/data-model/#exponentialhistogram) + +The component does NOT perform any stateful or time based aggregations. The metric +types are aggregated for the payload sent in each `Consume*` call. The final metric +is then sent forward in the pipeline. + +#### Sum + +Sum metrics have the following configurations: + +```yaml +sum: + value: +``` + +- [**Required**] `value` represents an OTTL expression to extract a value from the + incoming data. Only OTTL expressions that return a value are accepted. The + returned value determines the value type of the `sum` metric (`int` or `double`). + [OTTL converters](https://pkg.go.dev/github.com/open-telemetry/opentelemetry-collector-contrib/pkg/ottl/ottlfuncs#readme-converters) + can be used to transform the data. + +#### Histogram + +Histogram metrics have the following configurations: + +```yaml +histogram: + buckets: []float64 + count: + value: +``` + +- [**Optional**] `buckets` represents the buckets to be used for the histogram. + If no buckets are configured then it defaults to: + + ```go + []float64{2, 4, 6, 8, 10, 50, 100, 200, 400, 800, 1000, 1400, 2000, 5000, 10_000, 15_000} + ``` + +- [**Optional**] `count` represents an OTTL expression to extract the count to be + recorded in the histogram from the incoming data. If no expression is provided + then it defaults to the count of the signal i.e. [adjusted count](https://opentelemetry.io/docs/specs/otel/trace/tracestate-probability-sampling-experimental/#adjusted-count) + for spans and count for others. [OTTL converters](https://pkg.go.dev/github.com/open-telemetry/opentelemetry-collector-contrib/pkg/ottl/ottlfuncs#readme-converters) + can be used to transform the data. +- [**Required**] `value` represents an OTTL expression to extract the value to be + recorded in the histogram from the incoming data. [OTTL converters](https://pkg.go.dev/github.com/open-telemetry/opentelemetry-collector-contrib/pkg/ottl/ottlfuncs#readme-converters) + can be used to transform the data. + +#### Exponential Histogram + +Exponential histogram metrics have the following configurations: + +```yaml +exponential_histogram: + max_size: + count: + value: +``` + +- [**Optional**] `max_size` represents the maximum number of buckets per positive + or negative number range. Defaults to `160`. +- [**Optional**] `count` represents an OTTL expression to extract the count to be + recorded in the exponential histogram from the incoming data. If no expression + is provided then it defaults to the count of the signal i.e. [adjusted count](https://opentelemetry.io/docs/specs/otel/trace/tracestate-probability-sampling-experimental/#adjusted-count) + for spans and count for others. + [OTTL converters](https://pkg.go.dev/github.com/open-telemetry/opentelemetry-collector-contrib/pkg/ottl/ottlfuncs#readme-converters) can be used to transform the data. +- [**Required**] `value` represents an OTTL expression to extract the value to be recorded + in the exponential histogram from the incoming data. + [OTTL converters](https://pkg.go.dev/github.com/open-telemetry/opentelemetry-collector-contrib/pkg/ottl/ottlfuncs#readme-converters) can be used to transform the data. + +### Attributes + +The component can produce metrics categorized by the attributes (span attributes +for traces, datapoint attributes for datapoints, or log record attributes for logs) +from the incoming data by configuring `attributes` for the configured metrics. + +If no `attributes` are configured then the metrics are produced without any attributes. + +```yaml +attributes: + - key: datapoint.foo + - key: datapoint.bar + default_value: bar +``` + +If attributes are specified then a separate metric will be generated for each unique +set of attribute values. Optionally, a `default_value` can be used to always include +the attribute with the value of the attribute defaulting to the value specified in +`default_value` if the incoming data is missing that attribute. + +### Conditions + +Conditions are an optional list of OTTL conditions that are evaluated on the incoming +data and are ORed together. For example: + +```yaml +signaltometrics: + datapoints: + - name: datapoint.bar.sum + description: Count total number of datapoints as per datapoint.bar attribute + conditions: + - resource.attributes["foo"] != nil + - resource.attributes["bar"] != nil + sum: + value: "1" +``` + +The above configuration will produce sum metrics from datapoints with either `foo` +OR `bar` resource attribute defined. + +Conditions can also be ANDed together, for example: + +```yaml +signaltometrics: + datapoints: + - name: gauge.to.exphistogram + conditions: + - metric.type == 1 AND resource.attributes["resource.foo"] != nil + exponential_histogram: + count: "1" # 1 count for each datapoint + value: Double(value_int) + value_double # handle both int and double +``` + +The above configuration produces exponential histogram from gauge metrics with resource +attributes `resource.foo` set. + +### Customizing resource attributes + +The component allows customizing the resource attributes for the produced metrics +by specifying a list of attributes that should be included in the final metrics. +If no attributes are specified for `include_resource_attributes` then no filtering +is performed i.e. all resource attributes of the incoming data is considered. + +```yaml +include_resource_attributes: + - key: resource.foo # Include resource.foo attribute if present + - key: resource.bar # Always include resource.bar attribute, default to bar + default_value: bar +``` + +With the above configuration the produced metrics would only have the couple of +resource attributes specified in the list: + +- `resource.foo` will be present for the produced metrics if the incoming data also + has the attribute defined. +- `resource.bar` will always be present because of the `default_value`. If the incoming + data does not have a resource attribute with name `resource.bar` then the configured + `default_value` of `bar` will be used. + +### Single writer + +Metrics data streams MUST obey [single-writer](https://opentelemetry.io/docs/specs/otel/metrics/data-model/#single-writer) +principle. However, since `signaltometrics` component produces metrics from all signal +types and also allows customizing the resource attributes, there is a possibility +of violating the single-writer principle. To keep the single-writer principle intact, +the component adds collector instance information as resource attributes. The following +resource attributes are added to each produced metrics: + +```yaml +signaltometrics.service.name: +signaltometrics.service.namespace: +signaltometrics.service.instance.id: +``` diff --git a/connector/signaltometricsconnector/config/config.go b/connector/signaltometricsconnector/config/config.go new file mode 100644 index 000000000000..7a2beb6787c8 --- /dev/null +++ b/connector/signaltometricsconnector/config/config.go @@ -0,0 +1,62 @@ +// Copyright The OpenTelemetry Authors +// SPDX-License-Identifier: Apache-2.0 + +package config // import "github.com/open-telemetry/opentelemetry-collector-contrib/connector/signaltometricsconnector/config" + +import "fmt" + +// Config for the connector. Each configuration field describes the metrics +// to produce from a specific signal. +type Config struct { + Spans []MetricInfo `mapstructure:"spans"` + Datapoints []MetricInfo `mapstructure:"datapoints"` + Logs []MetricInfo `mapstructure:"logs"` +} + +func (c *Config) Validate() error { + if len(c.Spans) == 0 && len(c.Datapoints) == 0 && len(c.Logs) == 0 { + return fmt.Errorf("no configuration provided, at least one should be specified") + } + return nil +} + +// MetricInfo defines the structure of the metric produced by the connector. +type MetricInfo struct { + Name string `mapstructure:"name"` + Description string `mapstructure:"description"` + // Unit, if not-empty, will set the unit associated with the metric. + // See: https://github.com/open-telemetry/opentelemetry-collector/blob/b06236cc794982916cc956f20828b3e18eb33264/pdata/pmetric/generated_metric.go#L72-L81 + Unit string `mapstructure:"unit"` + // IncludeResourceAttributes is a list of resource attributes that + // needs to be included in the generated metric. If no resource + // attribute is included in the list then all attributes are included. + IncludeResourceAttributes []Attribute `mapstructure:"include_resource_attributes"` + Attributes []Attribute `mapstructure:"attributes"` + // Conditions are a set of OTTL condtions which are ORed. Data is + // processed into metrics only if the sequence evaluates to true. + Conditions []string `mapstructure:"conditions"` + Histogram *Histogram `mapstructure:"histogram"` + ExponentialHistogram *ExponentialHistogram `mapstructure:"exponential_histogram"` + Sum *Sum `mapstructure:"sum"` +} + +type Attribute struct { + Key string `mapstructure:"key"` + DefaultValue any `mapstructure:"default_value"` +} + +type Histogram struct { + Buckets []float64 `mapstructure:"buckets"` + Count string `mapstructure:"count"` + Value string `mapstructure:"value"` +} + +type ExponentialHistogram struct { + MaxSize int32 `mapstructure:"max_size"` + Count string `mapstructure:"count"` + Value string `mapstructure:"value"` +} + +type Sum struct { + Value string `mapstructure:"value"` +} diff --git a/connector/signaltometricsconnector/config/config_test.go b/connector/signaltometricsconnector/config/config_test.go new file mode 100644 index 000000000000..a542a189df5e --- /dev/null +++ b/connector/signaltometricsconnector/config/config_test.go @@ -0,0 +1,51 @@ +// Copyright The OpenTelemetry Authors +// SPDX-License-Identifier: Apache-2.0 + +package config + +import ( + "path/filepath" + "testing" + + "github.com/stretchr/testify/assert" + "github.com/stretchr/testify/require" + "go.opentelemetry.io/collector/component" + "go.opentelemetry.io/collector/confmap/confmaptest" + + "github.com/open-telemetry/opentelemetry-collector-contrib/connector/signaltometricsconnector/internal/metadata" +) + +func TestConfig(t *testing.T) { + for _, tc := range []struct { + path string // relative to `testdata/configs` directory + expected *Config + errorMsgs []string // all error message are checked + }{ + { + path: "empty", + errorMsgs: []string{"no configuration provided"}, + }, + } { + t.Run(tc.path, func(t *testing.T) { + dir := filepath.Join("..", "testdata", "configs") + cfg := &Config{} + cm, err := confmaptest.LoadConf(filepath.Join(dir, tc.path+".yaml")) + require.NoError(t, err) + + sub, err := cm.Sub(component.NewIDWithName(metadata.Type, "").String()) + require.NoError(t, err) + require.NoError(t, sub.Unmarshal(&cfg)) + + err = component.ValidateConfig(cfg) + if len(tc.errorMsgs) > 0 { + for _, errMsg := range tc.errorMsgs { + assert.ErrorContains(t, err, errMsg) + } + return + } + + assert.NoError(t, err) + assert.Equal(t, tc.expected, cfg) + }) + } +} diff --git a/connector/signaltometricsconnector/connector.go b/connector/signaltometricsconnector/connector.go new file mode 100644 index 000000000000..d6f5f5b8283b --- /dev/null +++ b/connector/signaltometricsconnector/connector.go @@ -0,0 +1,50 @@ +// Copyright The OpenTelemetry Authors +// SPDX-License-Identifier: Apache-2.0 + +package signaltometricsconnector // import "github.com/open-telemetry/opentelemetry-collector-contrib/connector/signaltometricsconnector" + +import ( + "context" + + "go.opentelemetry.io/collector/component" + "go.opentelemetry.io/collector/connector" + "go.opentelemetry.io/collector/consumer" + "go.opentelemetry.io/collector/pdata/plog" + "go.opentelemetry.io/collector/pdata/pmetric" + "go.opentelemetry.io/collector/pdata/ptrace" + "go.uber.org/zap" +) + +type signalToMetrics struct { + next consumer.Metrics + logger *zap.Logger + + component.StartFunc + component.ShutdownFunc +} + +func newSignalToMetrics( + set connector.Settings, + next consumer.Metrics, +) *signalToMetrics { + return &signalToMetrics{ + logger: set.Logger, + next: next, + } +} + +func (sm *signalToMetrics) Capabilities() consumer.Capabilities { + return consumer.Capabilities{MutatesData: false} +} + +func (sm *signalToMetrics) ConsumeTraces(context.Context, ptrace.Traces) error { + return nil +} + +func (sm *signalToMetrics) ConsumeMetrics(context.Context, pmetric.Metrics) error { + return nil +} + +func (sm *signalToMetrics) ConsumeLogs(context.Context, plog.Logs) error { + return nil +} diff --git a/connector/signaltometricsconnector/doc.go b/connector/signaltometricsconnector/doc.go new file mode 100644 index 000000000000..f27f0cda71e8 --- /dev/null +++ b/connector/signaltometricsconnector/doc.go @@ -0,0 +1,7 @@ +// Copyright The OpenTelemetry Authors +// SPDX-License-Identifier: Apache-2.0 + +//go:generate mdatagen metadata.yaml + +// Package signaltometricsconnector provides a stateless connector for generating metrics from raw signals. +package signaltometricsconnector // import "github.com/open-telemetry/opentelemetry-collector-contrib/connector/signaltometricsconnector" diff --git a/connector/signaltometricsconnector/factory.go b/connector/signaltometricsconnector/factory.go new file mode 100644 index 000000000000..4bf1fcb8d1a3 --- /dev/null +++ b/connector/signaltometricsconnector/factory.go @@ -0,0 +1,57 @@ +// Copyright The OpenTelemetry Authors +// SPDX-License-Identifier: Apache-2.0 + +package signaltometricsconnector // import "github.com/open-telemetry/opentelemetry-collector-contrib/connector/signaltometricsconnector" + +import ( + "context" + + "go.opentelemetry.io/collector/component" + "go.opentelemetry.io/collector/connector" + "go.opentelemetry.io/collector/consumer" + + "github.com/open-telemetry/opentelemetry-collector-contrib/connector/signaltometricsconnector/config" + "github.com/open-telemetry/opentelemetry-collector-contrib/connector/signaltometricsconnector/internal/metadata" +) + +// NewFactory returns a ConnectorFactory. +func NewFactory() connector.Factory { + return connector.NewFactory( + metadata.Type, + createDefaultConfig, + connector.WithTracesToMetrics(createTracesToMetrics, metadata.TracesToMetricsStability), + connector.WithMetricsToMetrics(createMetricsToMetrics, metadata.MetricsToMetricsStability), + connector.WithLogsToMetrics(createLogsToMetrics, metadata.LogsToMetricsStability), + ) +} + +func createDefaultConfig() component.Config { + return &config.Config{} +} + +func createTracesToMetrics( + _ context.Context, + set connector.Settings, + _ component.Config, + nextConsumer consumer.Metrics, +) (connector.Traces, error) { + return newSignalToMetrics(set, nextConsumer), nil +} + +func createMetricsToMetrics( + _ context.Context, + set connector.Settings, + _ component.Config, + nextConsumer consumer.Metrics, +) (connector.Metrics, error) { + return newSignalToMetrics(set, nextConsumer), nil +} + +func createLogsToMetrics( + _ context.Context, + set connector.Settings, + _ component.Config, + nextConsumer consumer.Metrics, +) (connector.Logs, error) { + return newSignalToMetrics(set, nextConsumer), nil +} diff --git a/connector/signaltometricsconnector/factory_test.go b/connector/signaltometricsconnector/factory_test.go new file mode 100644 index 000000000000..a172f0ac1f28 --- /dev/null +++ b/connector/signaltometricsconnector/factory_test.go @@ -0,0 +1,90 @@ +// Copyright The OpenTelemetry Authors +// SPDX-License-Identifier: Apache-2.0 + +package signaltometricsconnector + +import ( + "context" + "testing" + + "github.com/stretchr/testify/require" + "go.opentelemetry.io/collector/connector/connectortest" + "go.opentelemetry.io/collector/consumer" + "go.opentelemetry.io/collector/pdata/pmetric" + + "github.com/open-telemetry/opentelemetry-collector-contrib/connector/signaltometricsconnector/internal/metadata" +) + +func TestNewFactoryWithLogs(t *testing.T) { + for _, tc := range []struct { + name string + f func(*testing.T) + }{ + { + name: "factory_type", + f: func(t *testing.T) { + factory := NewFactory() + require.EqualValues(t, metadata.Type, factory.Type()) + }, + }, + { + name: "traces_to_metrics", + f: func(t *testing.T) { + mc, err := consumer.NewMetrics(func(context.Context, pmetric.Metrics) error { + return nil + }) + require.NoError(t, err) + + factory := NewFactory() + c, err := factory.CreateTracesToMetrics( + context.Background(), + connectortest.NewNopSettings(), + factory.CreateDefaultConfig(), + mc, + ) + require.NoError(t, err) + require.NotNil(t, c) + }, + }, + { + name: "logs_to_metrics", + f: func(t *testing.T) { + mc, err := consumer.NewMetrics(func(context.Context, pmetric.Metrics) error { + return nil + }) + require.NoError(t, err) + + factory := NewFactory() + c, err := factory.CreateLogsToMetrics( + context.Background(), + connectortest.NewNopSettings(), + factory.CreateDefaultConfig(), + mc, + ) + require.NoError(t, err) + require.NotNil(t, c) + }, + }, + { + name: "metrics_to_metrics", + f: func(t *testing.T) { + mc, err := consumer.NewMetrics(func(context.Context, pmetric.Metrics) error { + return nil + }) + require.NoError(t, err) + + factory := NewFactory() + c, err := factory.CreateMetricsToMetrics( + context.Background(), + connectortest.NewNopSettings(), + factory.CreateDefaultConfig(), + mc, + ) + require.NoError(t, err) + require.NotNil(t, c) + }, + }, + } { + t.Run(tc.name, tc.f) + } +} diff --git a/connector/signaltometricsconnector/generated_component_test.go b/connector/signaltometricsconnector/generated_component_test.go new file mode 100644 index 000000000000..751f8f306fd9 --- /dev/null +++ b/connector/signaltometricsconnector/generated_component_test.go @@ -0,0 +1,88 @@ +// Code generated by mdatagen. DO NOT EDIT. + +package signaltometricsconnector + +import ( + "context" + "testing" + + "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/connector" + "go.opentelemetry.io/collector/connector/connectortest" + "go.opentelemetry.io/collector/consumer" + "go.opentelemetry.io/collector/consumer/consumertest" + "go.opentelemetry.io/collector/pipeline" +) + +func TestComponentFactoryType(t *testing.T) { + require.Equal(t, "signaltometrics", NewFactory().Type().String()) +} + +func TestComponentConfigStruct(t *testing.T) { + require.NoError(t, componenttest.CheckConfigStruct(NewFactory().CreateDefaultConfig())) +} + +func TestComponentLifecycle(t *testing.T) { + factory := NewFactory() + + tests := []struct { + name string + createFn func(ctx context.Context, set connector.Settings, cfg component.Config) (component.Component, error) + }{ + + { + name: "logs_to_metrics", + createFn: func(ctx context.Context, set connector.Settings, cfg component.Config) (component.Component, error) { + router := connector.NewMetricsRouter(map[pipeline.ID]consumer.Metrics{pipeline.NewID(pipeline.SignalMetrics): consumertest.NewNop()}) + return factory.CreateLogsToMetrics(ctx, set, cfg, router) + }, + }, + + { + name: "metrics_to_metrics", + createFn: func(ctx context.Context, set connector.Settings, cfg component.Config) (component.Component, error) { + router := connector.NewMetricsRouter(map[pipeline.ID]consumer.Metrics{pipeline.NewID(pipeline.SignalMetrics): consumertest.NewNop()}) + return factory.CreateMetricsToMetrics(ctx, set, cfg, router) + }, + }, + + { + name: "traces_to_metrics", + createFn: func(ctx context.Context, set connector.Settings, cfg component.Config) (component.Component, error) { + router := connector.NewMetricsRouter(map[pipeline.ID]consumer.Metrics{pipeline.NewID(pipeline.SignalMetrics): consumertest.NewNop()}) + return factory.CreateTracesToMetrics(ctx, set, cfg, router) + }, + }, + } + + cm, err := confmaptest.LoadConf("metadata.yaml") + require.NoError(t, err) + cfg := factory.CreateDefaultConfig() + sub, err := cm.Sub("tests::config") + require.NoError(t, err) + require.NoError(t, sub.Unmarshal(&cfg)) + + for _, tt := range tests { + t.Run(tt.name+"-shutdown", func(t *testing.T) { + c, err := tt.createFn(context.Background(), connectortest.NewNopSettings(), cfg) + require.NoError(t, err) + err = c.Shutdown(context.Background()) + require.NoError(t, err) + }) + t.Run(tt.name+"-lifecycle", func(t *testing.T) { + firstConnector, err := tt.createFn(context.Background(), connectortest.NewNopSettings(), cfg) + require.NoError(t, err) + host := componenttest.NewNopHost() + require.NoError(t, err) + require.NoError(t, firstConnector.Start(context.Background(), host)) + require.NoError(t, firstConnector.Shutdown(context.Background())) + secondConnector, err := tt.createFn(context.Background(), connectortest.NewNopSettings(), cfg) + require.NoError(t, err) + require.NoError(t, secondConnector.Start(context.Background(), host)) + require.NoError(t, secondConnector.Shutdown(context.Background())) + }) + } +} diff --git a/connector/signaltometricsconnector/generated_package_test.go b/connector/signaltometricsconnector/generated_package_test.go new file mode 100644 index 000000000000..beb8cdc87cfa --- /dev/null +++ b/connector/signaltometricsconnector/generated_package_test.go @@ -0,0 +1,13 @@ +// Code generated by mdatagen. DO NOT EDIT. + +package signaltometricsconnector + +import ( + "testing" + + "go.uber.org/goleak" +) + +func TestMain(m *testing.M) { + goleak.VerifyTestMain(m) +} diff --git a/connector/signaltometricsconnector/go.mod b/connector/signaltometricsconnector/go.mod new file mode 100644 index 000000000000..6154c6a5641d --- /dev/null +++ b/connector/signaltometricsconnector/go.mod @@ -0,0 +1,55 @@ +module github.com/open-telemetry/opentelemetry-collector-contrib/connector/signaltometricsconnector + +go 1.22.0 + +require ( + github.com/stretchr/testify v1.9.0 + go.opentelemetry.io/collector/component v0.114.0 + go.opentelemetry.io/collector/component/componenttest v0.114.0 + go.opentelemetry.io/collector/confmap v1.20.0 + go.opentelemetry.io/collector/connector v0.114.0 + go.opentelemetry.io/collector/connector/connectortest v0.114.0 + go.opentelemetry.io/collector/consumer v0.114.0 + go.opentelemetry.io/collector/consumer/consumertest v0.114.0 + go.opentelemetry.io/collector/pdata v1.20.0 + go.opentelemetry.io/collector/pipeline v0.114.0 + go.uber.org/goleak v1.3.0 + go.uber.org/zap v1.27.0 +) + +require ( + github.com/davecgh/go-spew v1.1.1 // indirect + github.com/go-logr/logr v1.4.2 // indirect + github.com/go-logr/stdr v1.2.2 // indirect + github.com/go-viper/mapstructure/v2 v2.2.1 // indirect + github.com/gogo/protobuf v1.3.2 // indirect + github.com/google/uuid v1.6.0 // 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 v2.1.2 // indirect + github.com/mitchellh/copystructure v1.2.0 // 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.opentelemetry.io/collector/config/configtelemetry v0.114.0 // indirect + go.opentelemetry.io/collector/connector/connectorprofiles v0.114.0 // indirect + go.opentelemetry.io/collector/consumer/consumerprofiles v0.114.0 // indirect + go.opentelemetry.io/collector/internal/fanoutconsumer v0.114.0 // indirect + go.opentelemetry.io/collector/pdata/pprofile v0.114.0 // indirect + go.opentelemetry.io/collector/pipeline/pipelineprofiles v0.114.0 // indirect + go.opentelemetry.io/otel v1.32.0 // indirect + go.opentelemetry.io/otel/metric v1.32.0 // indirect + go.opentelemetry.io/otel/sdk v1.32.0 // indirect + go.opentelemetry.io/otel/sdk/metric v1.32.0 // indirect + go.opentelemetry.io/otel/trace v1.32.0 // indirect + go.uber.org/multierr v1.11.0 // indirect + golang.org/x/net v0.28.0 // indirect + golang.org/x/sys v0.27.0 // indirect + golang.org/x/text v0.18.0 // indirect + google.golang.org/genproto/googleapis/rpc v0.0.0-20240822170219-fc7c04adadcd // indirect + google.golang.org/grpc v1.67.1 // indirect + google.golang.org/protobuf v1.35.1 // indirect + gopkg.in/yaml.v3 v3.0.1 // indirect +) diff --git a/connector/signaltometricsconnector/go.sum b/connector/signaltometricsconnector/go.sum new file mode 100644 index 000000000000..c183a1b5db9e --- /dev/null +++ b/connector/signaltometricsconnector/go.sum @@ -0,0 +1,140 @@ +github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= +github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A= +github.com/go-logr/logr v1.4.2 h1:6pFjapn8bFcIbiKo3XT4j/BhANplGihG6tvd+8rYgrY= +github.com/go-logr/logr v1.4.2/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY= +github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag= +github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE= +github.com/go-viper/mapstructure/v2 v2.2.1 h1:ZAaOCxANMuZx5RCeg0mBdEZk7DZasvvZIxtHqx8aGss= +github.com/go-viper/mapstructure/v2 v2.2.1/go.mod h1:oJDH3BJKyqBA2TXFhDsKDGDTlndYOZ6rGS0BRZIxGhM= +github.com/gogo/protobuf v1.3.2 h1:Ov1cvc58UF3b5XjBnZv7+opcTcQFZebYjWzi34vdm4Q= +github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q= +github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI= +github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY= +github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg= +github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0= +github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= +github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM= +github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo= +github.com/kisielk/errcheck v1.5.0/go.mod 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h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= diff --git a/connector/signaltometricsconnector/internal/metadata/generated_status.go b/connector/signaltometricsconnector/internal/metadata/generated_status.go new file mode 100644 index 000000000000..bb48af2b993f --- /dev/null +++ b/connector/signaltometricsconnector/internal/metadata/generated_status.go @@ -0,0 +1,18 @@ +// Code generated by mdatagen. DO NOT EDIT. + +package metadata + +import ( + "go.opentelemetry.io/collector/component" +) + +var ( + Type = component.MustNewType("signaltometrics") + ScopeName = "github.com/open-telemetry/opentelemetry-collector-contrib/connector/signaltometricsconnector" +) + +const ( + TracesToMetricsStability = component.StabilityLevelDevelopment + LogsToMetricsStability = component.StabilityLevelDevelopment + MetricsToMetricsStability = component.StabilityLevelDevelopment +) diff --git a/connector/signaltometricsconnector/metadata.yaml b/connector/signaltometricsconnector/metadata.yaml new file mode 100644 index 000000000000..e677dde4d8ae --- /dev/null +++ b/connector/signaltometricsconnector/metadata.yaml @@ -0,0 +1,33 @@ +type: signaltometrics + +status: + class: connector + stability: + development: [traces_to_metrics, logs_to_metrics, metrics_to_metrics] + distributions: [] + codeowners: + active: [ChrsMark, lahsivjar] + +tests: + config: + spans: + - name: span.duration.histogram + description: "Span duration as histogram" + unit: us + histogram: + value: Microseconds(end_time - start_time) + - name: span.duration.exponential_histogram + description: "Span duration as exponential histogram" + unit: us + exponential_histogram: + value: Microseconds(end_time - start_time) + logs: + - name: logrecord.count + description: "Count of log record" + sum: + value: "1" # Count each log record as 1, has to be a string + datapoints: + - name: datapoint.count + description: "Count of datapoint" + sum: + value: Int(1) # Count each data point as 1, can also use the Int converter diff --git a/connector/signaltometricsconnector/testdata/configs/empty.yaml b/connector/signaltometricsconnector/testdata/configs/empty.yaml new file mode 100644 index 000000000000..b00cc3dc1131 --- /dev/null +++ b/connector/signaltometricsconnector/testdata/configs/empty.yaml @@ -0,0 +1 @@ +signaltometrics: {} diff --git a/versions.yaml b/versions.yaml index 0f6bcab27561..50fb11e9846e 100644 --- a/versions.yaml +++ b/versions.yaml @@ -21,6 +21,7 @@ module-sets: - github.com/open-telemetry/opentelemetry-collector-contrib/connector/roundrobinconnector - github.com/open-telemetry/opentelemetry-collector-contrib/connector/routingconnector - github.com/open-telemetry/opentelemetry-collector-contrib/connector/servicegraphconnector + - github.com/open-telemetry/opentelemetry-collector-contrib/connector/signaltometricsconnector - github.com/open-telemetry/opentelemetry-collector-contrib/connector/spanmetricsconnector - github.com/open-telemetry/opentelemetry-collector-contrib/connector/sumconnector - github.com/open-telemetry/opentelemetry-collector-contrib/examples/demo/client