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Removed useless tool

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This commit is contained in:
Alexey Milovidov 2019-12-09 00:32:15 +03:00
parent 16754bfff5
commit f74aca4c2e
3 changed files with 0 additions and 152 deletions
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1
utils/CMakeLists.txt
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@ -21,7 +21,6 @@ if (NOT DEFINED ENABLE_UTILS OR ENABLE_UTILS)
add_subdirectory (corrector_utf8)
add_subdirectory (zookeeper-cli)
add_subdirectory (zookeeper-dump-tree)
add_subdirectory (zookeeper-copy-tree)
add_subdirectory (zookeeper-remove-by-list)
add_subdirectory (zookeeper-create-entry-to-download-part)
add_subdirectory (zookeeper-adjust-block-numbers-to-parts)

2
utils/zookeeper-copy-tree/CMakeLists.txt
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@ -1,2 +0,0 @@
add_executable (zookeeper-copy-tree main.cpp ${SRCS})
target_link_libraries(zookeeper-copy-tree PRIVATE clickhouse_common_zookeeper clickhouse_common_io ${Boost_PROGRAM_OPTIONS_LIBRARY})

149
utils/zookeeper-copy-tree/main.cpp
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@ -1,149 +0,0 @@
#include <Common/ZooKeeper/ZooKeeper.h>
#include <Common/ZooKeeper/KeeperException.h>
#include <Common/Exception.h>
#include <boost/program_options.hpp>
#include <iostream>
namespace DB
{
namespace ErrorCodes
{
extern const int UNEXPECTED_NODE_IN_ZOOKEEPER;
}
}
int main(int argc, char ** argv)
try
{
boost::program_options::options_description desc("Allowed options");
desc.add_options()
("help,h", "produce help message")
("from", boost::program_options::value<std::string>()->required(),
"addresses of source ZooKeeper instances, comma separated. Example: example01e.yandex.ru:2181")
("from-path", boost::program_options::value<std::string>()->required(),
"where to copy from")
("to", boost::program_options::value<std::string>()->required(),
"addresses of destination ZooKeeper instances, comma separated. Example: example01e.yandex.ru:2181")
("to-path", boost::program_options::value<std::string>()->required(),
"where to copy to")
;
boost::program_options::variables_map options;
boost::program_options::store(boost::program_options::parse_command_line(argc, argv, desc), options);
if (options.count("help"))
{
std::cout << "Copy a ZooKeeper tree to another cluster." << std::endl;
std::cout << "Usage: " << argv[0] << " [options]" << std::endl;
std::cout << "WARNING: it is almost useless as it is impossible to corretly copy sequential nodes" << std::endl;
std::cout << desc << std::endl;
return 1;
}
zkutil::ZooKeeper from_zookeeper(options.at("from").as<std::string>());
zkutil::ZooKeeper to_zookeeper(options.at("to").as<std::string>());
std::string from_path = options.at("from-path").as<std::string>();
std::string to_path = options.at("to-path").as<std::string>();
if (to_zookeeper.exists(to_path))
throw DB::Exception("Destination path: " + to_path + " already exists, aborting.",
DB::ErrorCodes::UNEXPECTED_NODE_IN_ZOOKEEPER);
struct Node
{
Node(
std::string path_,
std::future<Coordination::GetResponse> get_future_,
std::future<Coordination::ListResponse> children_future_,
Node * parent_)
: path(std::move(path_))
, get_future(std::move(get_future_))
, children_future(std::move(children_future_))
, parent(parent_)
{
}
std::string path;
std::future<Coordination::GetResponse> get_future;
std::future<Coordination::ListResponse> children_future;
Node * parent = nullptr;
std::future<Coordination::CreateResponse> create_future;
bool created = false;
bool deleted = false;
bool ephemeral = false;
};
std::list<Node> nodes_queue;
nodes_queue.emplace_back(
from_path, from_zookeeper.asyncGet(from_path), from_zookeeper.asyncGetChildren(from_path), nullptr);
to_zookeeper.createAncestors(to_path);
for (auto it = nodes_queue.begin(); it != nodes_queue.end(); ++it)
{
Coordination::GetResponse get_response;
Coordination::ListResponse children_response;
try
{
get_response = it->get_future.get();
children_response = it->children_future.get();
}
catch (const Coordination::Exception & e)
{
if (e.code == Coordination::ZNONODE)
{
it->deleted = true;
continue;
}
throw;
}
if (get_response.stat.ephemeralOwner)
{
it->ephemeral = true;
continue;
}
if (it->parent && !it->parent->created)
{
it->parent->create_future.get();
it->parent->created = true;
std::cerr << it->parent->path << " copied!" << std::endl;
}
std::string new_path = it->path;
new_path.replace(0, from_path.length(), to_path);
it->create_future = to_zookeeper.asyncCreate(new_path, get_response.data, zkutil::CreateMode::Persistent);
get_response.data.clear();
get_response.data.shrink_to_fit();
for (const auto & name : children_response.names)
{
std::string child_path = it->path == "/" ? it->path + name : it->path + '/' + name;
nodes_queue.emplace_back(
child_path, from_zookeeper.asyncGet(child_path), from_zookeeper.asyncGetChildren(child_path),
&(*it));
}
}
for (auto it = nodes_queue.begin(); it != nodes_queue.end(); ++it)
{
if (!it->created && !it->deleted && !it->ephemeral)
{
it->create_future.get();
it->created = true;
std::cerr << it->path << " copied!" << std::endl;
}
}
}
catch (...)
{
std::cerr << DB::getCurrentExceptionMessage(true) << '\n';
throw;
}