ceph客户端命令行的示例分析

小编给大家分享一下ceph客户端命令行的示例分析，希望大家阅读完这篇文章之后都有所收获，下面让我们一起去探讨吧！

#include
#include
//#include
#include
#include
#include
#include
#include
#define EXIT_SUCCESS 0
using namespace std;
using namespace librados;
int main(int argc, char **argv)
{
Rados rados;
rados_ioctx_t io;
const char *poolname = "data";
const char cluster_name[] = "ceph";
const char user_name[] = "client.admin"; //用户名
uint64_t flags=0;
char xattr[] = "en_US";
int err;

char fsid[50]={0};

err= rados.init2(user_name,cluster_name, flags);
if (err<0) {
cerr << "couldn't initialize rados! error " << err << std::endl;
}
//读取配置文件，完成rados句柄
err=rados.conf_read_file("/etc/ceph/ceph.conf");
if (err < 0)
{
fprintf(stderr, "%s: cannot read config file: %s\n", argv[0], strerror(-err));
}
else
{
printf("\nRead the config file.\n");
}

/* Connect to the cluster */
err = rados.connect();
if (err < 0)
{
fprintf(stderr, "%s: cannot connect to cluster: %s\n", argv[0], strerror(-err));
}
else
{
printf("\nConnected to the cluster.\n");
}

bufferlist inbl, outbl;
string outs;
err = rados.mon_command("{\"prefix\": \"mon_status\"}",
inbl, &outbl, &outs);
if (err < 0) {
cerr << "error listing get_command_descriptions: " << err << std::endl;
rados.shutdown();
}
cout << outbl.c_str() << std::endl;

err = rados.mon_command("{\"prefix\": \"osd find\", \"id\":\"osd.1\"}",
inbl, &outbl, &outs);
if (err < 0) {
cerr << "error listing get_command_descriptions: " << err << std::endl;
rados.shutdown();
}
cout << outbl.c_str() << std::endl;

rados.shutdown();
return 0;
}

g++ ceph_conmand.c -o ceph_con -lrados

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