/
factory.go
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/
factory.go
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// 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 etcd2configsource
import (
"context"
"errors"
"fmt"
"net/url"
"go.opentelemetry.io/collector/component"
"go.uber.org/zap"
"github.com/signalfx/splunk-otel-collector/internal/configsource"
)
const (
// The "type" of etcd2 config sources in configuration.
typeStr = "etcd2"
defaultEndpoints = "http://localhost:2379"
)
// Private error types to help with testability.
type (
errMissingEndpoint struct{ error }
errInvalidEndpoint struct{ error }
)
type etcd2Factory struct{}
func (v *etcd2Factory) Type() component.Type {
return component.MustNewType(typeStr)
}
func (v *etcd2Factory) CreateDefaultConfig() configsource.Settings {
return &Config{
SourceSettings: configsource.NewSourceSettings(component.MustNewID(typeStr)),
Endpoints: []string{defaultEndpoints},
}
}
func (v *etcd2Factory) CreateConfigSource(_ context.Context, settings configsource.Settings, logger *zap.Logger) (configsource.ConfigSource, error) {
etcd2Cfg := settings.(*Config)
if len(etcd2Cfg.Endpoints) == 0 {
return nil, &errMissingEndpoint{errors.New("cannot connect to etcd2 without any endpoints")}
}
for _, uri := range etcd2Cfg.Endpoints {
if _, err := url.ParseRequestURI(uri); err != nil {
return nil, &errInvalidEndpoint{fmt.Errorf("invalid endpoint %q: %w", uri, err)}
}
}
return newConfigSource(etcd2Cfg, logger)
}
// NewFactory creates a new etcd2Factory instance
func NewFactory() configsource.Factory {
return &etcd2Factory{}
}