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aliyun-openapi-cpp-sdk/core/include/alibabacloud/core/InstanceProfileCredentialsProvider.h
2020-07-07 14:19:04 +08:00

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/*
* Copyright 1999-2019 Alibaba Cloud 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.
* 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.
*/
#ifndef CORE_INCLUDE_ALIBABACLOUD_CORE_INSTANCEPROFILECREDENTIALSPROVIDER_H_
#define CORE_INCLUDE_ALIBABACLOUD_CORE_INSTANCEPROFILECREDENTIALSPROVIDER_H_
#include "../src/EcsMetadataFetcher.h"
#include "Credentials.h"
#include "CredentialsProvider.h"
#include <chrono>
#include <memory>
#include <mutex>
#include <string>
namespace AlibabaCloud {
class ALIBABACLOUD_CORE_EXPORT InstanceProfileCredentialsProvider
: public CredentialsProvider,
public EcsMetadataFetcher {
public:
InstanceProfileCredentialsProvider(const std::string &roleName,
int durationSeconds = 3600);
~InstanceProfileCredentialsProvider();
std::string roleName() const;
Credentials getCredentials() override;
using EcsMetadataFetcher::getMetadata;
using EcsMetadataFetcher::roleName;
using EcsMetadataFetcher::setRoleName;
private:
void loadCredentials();
bool checkExpiry() const;
std::mutex cachedMutex_;
Credentials cachedCredentials_;
int durationSeconds_;
std::chrono::system_clock::time_point expiry_;
};
} // namespace AlibabaCloud
#endif // CORE_INCLUDE_ALIBABACLOUD_CORE_INSTANCEPROFILECREDENTIALSPROVIDER_H_