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// Copyright 2021 The Prometheus 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 sigv4
import (
"fmt"
"github.com/prometheus/common/config"
)
// SigV4Config is the configuration for signing remote write requests with
// AWS's SigV4 verification process. Empty values will be retrieved using the
// AWS default credentials chain.
type SigV4Config struct { //nolint:revive
Region string `yaml:"region,omitempty"`
AccessKey string `yaml:"access_key,omitempty"`
SecretKey config.Secret `yaml:"secret_key,omitempty"`
Profile string `yaml:"profile,omitempty"`
RoleARN string `yaml:"role_arn,omitempty"`
UseFIPSSTSEndpoint bool `yaml:"use_fips_sts_endpoint,omitempty"`
ServiceName string `yaml:"service_name,omitempty"`
}
func (c *SigV4Config) Validate() error {
if (c.AccessKey == "") != (c.SecretKey == "") {
return fmt.Errorf("must provide a AWS SigV4 Access key and Secret Key if credentials are specified in the SigV4 config")
}
return nil
}
func (c *SigV4Config) UnmarshalYAML(unmarshal func(interface{}) error) error {
type plain SigV4Config
*c = SigV4Config{}
if err := unmarshal((*plain)(c)); err != nil {
return err
}
return c.Validate()
}
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