commit 13a1a33dc7e0749c7b37222759ee3b797629b577
Author: Alexey Kostin <akostin@fintech.ru>
Date:   Thu Feb 14 15:01:33 2019 +0300

    Initial commit.
    Connect to cluster ended.

diff --git a/ceph-gobench.go b/ceph-gobench.go
new file mode 100644
index 0000000..d91c333
--- /dev/null
+++ b/ceph-gobench.go
@@ -0,0 +1,82 @@
+package main
+
+import (
+	"code.cloudfoundry.org/bytefmt"
+	"github.com/ceph/go-ceph/rados"
+	"github.com/juju/gnuflag"
+	"log"
+	"os"
+)
+
+func main() {
+	var duration int
+	var bs, cluster, user, keyring, config, pool string
+	gnuflag.IntVar(&duration, "duration", 30,
+		"Time limit for each test in seconds")
+	gnuflag.IntVar(&duration, "d", 30,
+		"Time limit for each test in seconds")
+	gnuflag.StringVar(&bs, "blocksize", "4K",
+		"Block size in format  KB = K = KiB	= 1024 MB = M = MiB = 1024 * K GB = G = GiB = 1024 * M TB = T = TiB = 1024 * G")
+	gnuflag.StringVar(&bs, "s", "4K",
+		"Block size in format  KB = K = KiB	= 1024 MB = M = MiB = 1024 * K GB = G = GiB = 1024 * M TB = T = TiB = 1024 * G")
+	gnuflag.StringVar(&user, "user", "admin",
+		"Ceph user (cephx)")
+	gnuflag.StringVar(&user, "u", "client.admin",
+		"Ceph user (cephx)")
+	gnuflag.StringVar(&cluster, "cluster", "ceph",
+		"Ceph cluster name")
+	gnuflag.StringVar(&cluster, "n", "ceph",
+		"Ceph cluster name")
+	gnuflag.StringVar(&keyring, "keyring", "/etc/ceph/ceph.client.admin.keyring",
+		"Ceph user keyring")
+	gnuflag.StringVar(&keyring, "k", "/etc/ceph/ceph.client.admin.keyring",
+		"Ceph user keyring")
+	gnuflag.StringVar(&config, "config", "/etc/ceph/ceph.conf",
+		"Ceph config")
+	gnuflag.StringVar(&config, "c", "/etc/ceph/ceph.conf",
+		"Ceph config")
+	gnuflag.StringVar(&pool, "pool", "bench",
+		"Ceph pool")
+	gnuflag.StringVar(&pool, "p", "bench",
+		"Ceph pool")
+	gnuflag.Parse(true)
+
+	if _, err := os.Stat(config); os.IsNotExist(err) {
+		log.Fatalf("Congif file not exists. Error: %v\n", err)
+	}
+
+	if _, err := os.Stat(keyring); os.IsNotExist(err) {
+		log.Fatalf("Keyring file not exists. Error: %v\n", err)
+	}
+
+	conn, err := rados.NewConnWithClusterAndUser(cluster, user)
+	if err != nil {
+		log.Fatalf("Can't create connection with cluster:%v and user:%v. Error: %v\n", cluster, user, err)
+	}
+
+	if err := conn.ReadConfigFile(config); err != nil {
+		log.Fatalf("Can't read config file. Error: err\n", err)
+	}
+
+	if err := conn.SetConfigOption("keyring", keyring); err != nil {
+		log.Fatalf("Can't set config option. Error: err\n", err)
+	}
+
+	if err := conn.Connect(); err != nil {
+		log.Fatalf("Failed to connect cluster. Error: %v\n", err)
+	}
+
+	ioctx, err := conn.OpenIOContext(pool)
+	if err != nil {
+		log.Fatalf("Can't open pool %v. Error: %v\n", pool, err)
+	}
+	stats, _ := ioctx.GetPoolStats()
+	conn.Shutdown()
+	log.Println(stats)
+	blocksize, err := bytefmt.ToBytes(bs)
+	if err != nil {
+		log.Println("Can't convert defined block size. 4K block size will be used\n")
+		blocksize = 4096
+	}
+	log.Printf("%v\n", blocksize)
+}