/
provider.go
46 lines (36 loc) · 1.18 KB
/
provider.go
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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package yamlprovider // import "go.opentelemetry.io/collector/confmap/provider/yamlprovider"
import (
"context"
"fmt"
"strings"
"go.opentelemetry.io/collector/confmap"
"go.opentelemetry.io/collector/confmap/provider/internal"
)
const schemeName = "yaml"
type provider struct{}
// NewWithSettings returns a new confmap.Provider that allows to provide yaml bytes.
//
// This Provider supports "yaml" scheme, and can be called with a "uri" that follows:
//
// bytes-uri = "yaml:" yaml-bytes
//
// Examples:
// `yaml:processors::batch::timeout: 2s`
// `yaml:processors::batch/foo::timeout: 3s`
func NewWithSettings(confmap.ProviderSettings) confmap.Provider {
return &provider{}
}
func (s *provider) Retrieve(_ context.Context, uri string, _ confmap.WatcherFunc) (*confmap.Retrieved, error) {
if !strings.HasPrefix(uri, schemeName+":") {
return nil, fmt.Errorf("%q uri is not supported by %q provider", uri, schemeName)
}
return internal.NewRetrievedFromYAML([]byte(uri[len(schemeName)+1:]))
}
func (*provider) Scheme() string {
return schemeName
}
func (s *provider) Shutdown(context.Context) error {
return nil
}