Implementations of check_replication() and start_replication() for Clustrix allows to use fix_replication() also for Clustrix nodes without checking it. Also several attempts to check nodes after restart are added - to wait for nodes if they are not running right after server daemon restart
		
			
				
	
	
		
			90 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			90 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
#include <fstream>
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#include <iostream>
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#include <sstream>
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#include "clustrix_nodes.h"
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int Clustrix_nodes::prepare_server(int m)
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{
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    int ec;
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    char* clustrix_rpm = ssh_node_output(m, "rpm -qa | grep clustrix-clxnode", true, &ec);
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    if (strstr(clustrix_rpm, "clustrix-clxnode") == NULL)
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    {
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        printf("%s\n", ssh_node_output(m, CLUSTRIX_DEPS_YUM, true, &ec));
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        printf("%s\n", ssh_node_output(m, WGET_CLUSTRIX, false, &ec));
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        printf("%s\n", ssh_node_output(m, UNPACK_CLUSTRIX, false, &ec));
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        printf("%s\n", ssh_node_output(m, INSTALL_CLUSTRIX, false, &ec));
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        create_users(m);
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    }
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    else
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    {
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        printf("%s\n", ssh_node_output(m, "systemctl restart clustrix", true, &ec));
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    }
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    return 0;
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}
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int Clustrix_nodes::start_replication()
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{
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    for (int i = 0; i < N; i++)
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    {
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        prepare_server(i);
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    }
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    std::string lic_filename = std::string(getenv("HOME"))
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            + std::string("/.config/mdbci/clustrix_license");
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    std::ifstream lic_file;
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    lic_file.open(lic_filename.c_str());
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    std::stringstream strStream;
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    strStream << lic_file.rdbuf();
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    std::string clustrix_license = strStream.str();
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    lic_file.close();
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    execute_query_all_nodes(clustrix_license.c_str());
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    std::string cluster_setup_sql = std::string("ALTER CLUSTER ADD '")
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            + std::string(IP_private[1])
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            + std::string("'");
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    for (int i = 2; i < N; i++)
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    {
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        cluster_setup_sql += std::string(",'")
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                + std::string(IP_private[i])
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                + std::string("'");
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    }
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    connect();
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    execute_query(nodes[0], "%s", cluster_setup_sql.c_str());
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    close_connections();
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    return 0;
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}
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std::string Clustrix_nodes::cnf_servers()
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{
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    std::string s;
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    for (int i = 0; i < N; i++)
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    {
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        s += std::string("\\n[")
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                + cnf_server_name
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                + std::to_string(i + 1)
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                + std::string("]\\ntype=server\\naddress=")
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                + std::string(IP_private[i])
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                + std::string("\\nport=")
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                + std::to_string(port[i])
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                + std::string("\\nprotocol=MySQLBackend\\n");
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    }
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    return s;
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}
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int Clustrix_nodes::check_replication()
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{
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    int res = 0;
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    connect();
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    for (int i = 0; i < N; i++)
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    {
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        if (execute_query_count_rows(nodes[i], "select * from system.nodeinfo") != N)
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        {
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            res = 1;
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        }
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    }
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    close_connections();
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    return res;
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}
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