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ecs_credentials.go
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ecs_credentials.go
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// Copyright 2014-2015 Amazon.com, Inc. or its affiliates. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License"). You may
// not use this file except in compliance with the License. A copy of the
// License is located at
//
// http://aws.amazon.com/apache2.0/
//
// or in the "license" file accompanying this file. This file 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 credentialprovider provides a credential provider as defined in
// Kubernetes's 'credentialprovider' package.
// See https://github.com/GoogleCloudPlatform/kubernetes/tree/d5e0054eb0/pkg/credentialprovider
package ecs_credentials
import (
"encoding/json"
"github.com/GoogleCloudPlatform/kubernetes/pkg/credentialprovider"
"github.com/aws/amazon-ecs-agent/agent/config"
"github.com/aws/amazon-ecs-agent/agent/logger"
)
var log = logger.ForModule("ecs credentials")
type ecsCredentials struct {
*config.Config
}
// singleton instance
var ecsCredentialsInstance = &ecsCredentials{}
func init() {
credentialprovider.RegisterCredentialProvider("ecs-config", ecsCredentialsInstance)
}
func SetConfig(cfg *config.Config) {
ecsCredentialsInstance.Config = cfg
}
func (creds *ecsCredentials) Enabled() bool {
return true
}
func (creds *ecsCredentials) Provide() credentialprovider.DockerConfig {
providedCreds := credentialprovider.DockerConfig{}
switch creds.EngineAuthType {
case "dockercfg":
fallthrough
case "docker":
err := json.Unmarshal(creds.EngineAuthData, &providedCreds)
if err != nil {
log.Error("Unable to decode provided docker credentials", "type", creds.EngineAuthType)
}
case "":
default:
log.Error("Unrecognized AuthType type")
}
return providedCreds
}