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Improve usability when user forgot password #27750

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This commit is contained in:
Alexey Milovidov 2021-08-20 11:08:21 +03:00
parent 74ebc5c75c
commit 2ab97bd621
1 changed files with 38 additions and 18 deletions
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56
programs/client/Client.cpp
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@ -129,6 +129,7 @@ namespace ErrorCodes
extern const int UNRECOGNIZED_ARGUMENTS;
extern const int SYNTAX_ERROR;
extern const int TOO_DEEP_RECURSION;
extern const int AUTHENTICATION_FAILED;
}
@ -773,31 +774,50 @@ private:
<< connection_parameters.host << ":" << connection_parameters.port
<< (!connection_parameters.user.empty() ? " as user " + connection_parameters.user : "") << "." << std::endl;
connection = std::make_unique<Connection>(
connection_parameters.host,
connection_parameters.port,
connection_parameters.default_database,
connection_parameters.user,
connection_parameters.password,
"", /* cluster */
"", /* cluster_secret */
"client",
connection_parameters.compression,
connection_parameters.security);
String server_name;
UInt64 server_version_major = 0;
UInt64 server_version_minor = 0;
UInt64 server_version_patch = 0;
if (max_client_network_bandwidth)
try
{
ThrottlerPtr throttler = std::make_shared<Throttler>(max_client_network_bandwidth, 0, "");
connection->setThrottler(throttler);
}
connection = std::make_unique<Connection>(
connection_parameters.host,
connection_parameters.port,
connection_parameters.default_database,
connection_parameters.user,
connection_parameters.password,
"", /* cluster */
"", /* cluster_secret */
"client",
connection_parameters.compression,
connection_parameters.security);
connection->getServerVersion(
connection_parameters.timeouts, server_name, server_version_major, server_version_minor, server_version_patch, server_revision);
if (max_client_network_bandwidth)
{
ThrottlerPtr throttler = std::make_shared<Throttler>(max_client_network_bandwidth, 0, "");
connection->setThrottler(throttler);
}
connection->getServerVersion(
connection_parameters.timeouts, server_name, server_version_major, server_version_minor, server_version_patch, server_revision);
}
catch (const Exception & e)
{
/// It is typical when users install ClickHouse, type some password and instantly forget it.
if ((connection_parameters.user.empty() || connection_parameters.user == "default")
&& e.code() == DB::ErrorCodes::AUTHENTICATION_FAILED)
{
std::cerr << std::endl
<< "If you have installed ClickHouse and forgot password you can reset it in the configuration file." << std::endl
<< "The password for default user is typically located at /etc/clickhouse-server/users.d/default-password.xml" << std::endl
<< "and deleting this file will reset the password." << std::endl
<< "See also /etc/clickhouse-server/users.xml on the server where ClickHouse is installed." << std::endl
<< std::endl;
}
throw;
}
server_version = toString(server_version_major) + "." + toString(server_version_minor) + "." + toString(server_version_patch);