/
metadata.go
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/
metadata.go
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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package ec2 // import "github.com/open-telemetry/opentelemetry-collector-contrib/internal/metadataproviders/aws/ec2"
import (
"context"
"github.com/aws/aws-sdk-go/aws/ec2metadata"
"github.com/aws/aws-sdk-go/aws/session"
)
type Provider interface {
Get(ctx context.Context) (ec2metadata.EC2InstanceIdentityDocument, error)
Hostname(ctx context.Context) (string, error)
InstanceID(ctx context.Context) (string, error)
}
type metadataClient struct {
metadata *ec2metadata.EC2Metadata
}
var _ Provider = (*metadataClient)(nil)
func NewProvider(sess *session.Session) Provider {
return &metadataClient{
metadata: ec2metadata.New(sess),
}
}
func (c *metadataClient) InstanceID(ctx context.Context) (string, error) {
return c.metadata.GetMetadataWithContext(ctx, "instance-id")
}
func (c *metadataClient) Hostname(ctx context.Context) (string, error) {
return c.metadata.GetMetadataWithContext(ctx, "hostname")
}
func (c *metadataClient) Get(ctx context.Context) (ec2metadata.EC2InstanceIdentityDocument, error) {
return c.metadata.GetInstanceIdentityDocumentWithContext(ctx)
}