Add factory implementation

exporter/sematextexporter/doc.go

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+// Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
+//go:generate mdatagen metadata.yaml
+
+// Package sematextexporter sends metrics to sematext cloud.
+package sematextexporter // import "github.com/open-telemetry/opentelemetry-collector-contrib/exporter/sematextexporter"

exporter/sematextexporter/factory.go

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+// Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
+//go:generate mdatagen metadata.yaml
+
+package sematextexporter // import "github.com/open-telemetry/opentelemetry-collector-contrib/exporter/sematextexporter"
+
+import (
+	"context"
+	"time"
+
+	"go.opentelemetry.io/collector/component"
+	"go.opentelemetry.io/collector/config/confighttp"
+	"go.opentelemetry.io/collector/config/configopaque"
+	"go.opentelemetry.io/collector/config/configretry"
+	"go.opentelemetry.io/collector/exporter"
+	"go.opentelemetry.io/collector/exporter/exporterhelper"
+	"go.opentelemetry.io/collector/pdata/pmetric"
+
+	"github.com/influxdata/influxdb-observability/common"
+
+	"github.com/open-telemetry/opentelemetry-collector-contrib/exporter/sematextexporter/internal/metadata"
+)
+
+const appToken string = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
+
+// NewFactory creates a factory for the Sematext exporter.
+func NewFactory() exporter.Factory {
+	return exporter.NewFactory(
+		metadata.Type,
+		createDefaultConfig,
+		exporter.WithMetrics(createMetricsExporter, metadata.MetricsStability),
+	)
+}
+
+func createDefaultConfig() component.Config {
+	return &Config{
+		ClientConfig: confighttp.ClientConfig{
+			Timeout: 5 * time.Second,
+			Headers: map[string]configopaque.String{
+				"User-Agent": "OpenTelemetry -> Sematext",
+			},
+		},
+		QueueSettings:   exporterhelper.NewDefaultQueueConfig(),
+		BackOffConfig:   configretry.NewDefaultBackOffConfig(),
+		MetricsSchema:   common.MetricsSchemaTelegrafPrometheusV2.String(),
+		AppToken:        appToken,
+		Region:          "custom",
+		PayloadMaxLines: 1_000,
+		PayloadMaxBytes: 300_000,
+	}
+}
+
+func createMetricsExporter(
+	ctx context.Context,
+	set exporter.Settings,
+	config component.Config,
+) (exporter.Metrics, error) {
+	cfg := config.(*Config)
+
+	return exporterhelper.NewMetrics(
+		ctx,
+		set,
+		cfg,
+		func(_ context.Context, _ pmetric.Metrics) error {
+			return nil
+		},
+	)
+}

exporter/sematextexporter/testdata/config.yaml

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+sematext/default-config:
+sematext/override-config:
+  timeout: 500ms
+  sending_queue:
+    enabled: true
+    num_consumers: 3
+    queue_size: 10
+  retry_on_failure:
+    enabled: true
+    initial_interval: 1s
+    max_interval: 3s
+    max_elapsed_time: 10s
+  region: US  
+  app_token: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+  metrics_schema: telegraf-prometheus-v2
+  payload_max_lines: 72
+  payload_max_bytes: 27