mirror of https://github.com/ByConity/ByConity
89 lines
2.2 KiB
C++
89 lines
2.2 KiB
C++
/*
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* Copyright 2016-2023 ClickHouse, Inc.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* This file may have been modified by Bytedance Ltd. and/or its affiliates (“ Bytedance's Modifications”).
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* All Bytedance's Modifications are Copyright (2023) Bytedance Ltd. and/or its affiliates.
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*/
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#include <Poco/Net/DNS.h>
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#include <common/getFQDNOrHostName.h>
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namespace
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{
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std::string getFQDNOrHostNameImpl()
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{
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try
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{
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return Poco::Net::DNS::thisHost().name();
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}
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catch (...)
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{
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return Poco::Net::DNS::hostName();
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}
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}
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std::string getIPOrFQDNOrHostNameImpl()
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{
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try
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{
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auto this_host = Poco::Net::DNS::thisHost();
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if (this_host.addresses().size() > 0)
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return this_host.addresses().front().toString();
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else
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return this_host.name();
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}
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catch (...)
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{
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return Poco::Net::DNS::hostName();
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}
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}
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std::string getPodOrHostNameImpl()
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{
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if (const char * p = std::getenv("MY_POD_NAME"))
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{
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return std::string(p);
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}
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if (const char * p = std::getenv("POD_NAME"))
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{
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return std::string(p);
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}
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return getIPOrFQDNOrHostNameImpl();
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}
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}
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const std::string & getFQDNOrHostName()
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{
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static std::string result = getFQDNOrHostNameImpl();
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return result;
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}
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const std::string & getIPOrFQDNOrHostName()
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{
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static std::string result = getIPOrFQDNOrHostNameImpl();
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return result;
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}
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const std::string & getPodOrHostName()
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{
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static std::string result = getPodOrHostNameImpl();
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return result;
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}
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