mirror of https://github.com/ceph/go-ceph
438 lines
10 KiB
Go
438 lines
10 KiB
Go
package rados_test
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import "testing"
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//import "bytes"
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import "github.com/noahdesu/go-ceph/rados"
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import "github.com/stretchr/testify/assert"
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import "os"
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import "os/exec"
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import "io"
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import "io/ioutil"
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import "time"
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import "net"
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import "fmt"
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import "sort"
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import "encoding/json"
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func GetUUID() string {
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out, _ := exec.Command("uuidgen").Output()
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return string(out[:36])
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}
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func TestVersion(t *testing.T) {
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var major, minor, patch = rados.Version()
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assert.False(t, major < 0 || major > 1000, "invalid major")
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assert.False(t, minor < 0 || minor > 1000, "invalid minor")
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assert.False(t, patch < 0 || patch > 1000, "invalid patch")
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}
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func TestGetSetConfigOption(t *testing.T) {
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conn, _ := rados.NewConn()
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// rejects invalid options
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err := conn.SetConfigOption("wefoijweojfiw", "welfkwjelkfj")
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assert.Error(t, err, "Invalid option")
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// verify SetConfigOption changes a values
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log_file_val, err := conn.GetConfigOption("log_file")
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assert.NotEqual(t, log_file_val, "/dev/null")
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err = conn.SetConfigOption("log_file", "/dev/null")
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assert.NoError(t, err, "Invalid option")
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log_file_val, err = conn.GetConfigOption("log_file")
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assert.Equal(t, log_file_val, "/dev/null")
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}
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func TestParseDefaultConfigEnv(t *testing.T) {
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conn, _ := rados.NewConn()
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log_file_val, _ := conn.GetConfigOption("log_file")
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assert.NotEqual(t, log_file_val, "/dev/null")
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err := os.Setenv("CEPH_ARGS", "--log-file /dev/null")
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assert.NoError(t, err)
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err = conn.ParseDefaultConfigEnv()
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assert.NoError(t, err)
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log_file_val, _ = conn.GetConfigOption("log_file")
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assert.Equal(t, log_file_val, "/dev/null")
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}
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func TestParseCmdLineArgs(t *testing.T) {
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conn, _ := rados.NewConn()
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conn.ReadDefaultConfigFile()
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mon_host_val, _ := conn.GetConfigOption("mon_host")
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assert.NotEqual(t, mon_host_val, "1.1.1.1")
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args := []string{ "--mon-host", "1.1.1.1" }
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err := conn.ParseCmdLineArgs(args)
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assert.NoError(t, err)
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mon_host_val, _ = conn.GetConfigOption("mon_host")
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assert.Equal(t, mon_host_val, "1.1.1.1")
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}
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func TestGetClusterStats(t *testing.T) {
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conn, _ := rados.NewConn()
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conn.ReadDefaultConfigFile()
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conn.Connect()
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poolname := GetUUID()
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err := conn.MakePool(poolname)
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assert.NoError(t, err)
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pool, err := conn.OpenIOContext(poolname)
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assert.NoError(t, err)
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// grab current stats
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prev_stat, err := conn.GetClusterStats()
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fmt.Printf("prev_stat: %+v\n", prev_stat)
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assert.NoError(t, err)
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// make some changes to the cluster
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buf := make([]byte, 1<<20)
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for i := 0; i < 10; i++ {
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objname := GetUUID()
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pool.Write(objname, buf, 0)
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}
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// wait a while for the stats to change
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for i := 0; i < 30; i++ {
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stat, err := conn.GetClusterStats()
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assert.NoError(t, err)
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// wait for something to change
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if stat == prev_stat {
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fmt.Printf("curr_stat: %+v (trying again...)\n", stat)
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time.Sleep(time.Second)
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} else {
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// success
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fmt.Printf("curr_stat: %+v (change detected)\n", stat)
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conn.Shutdown()
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return
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}
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}
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pool.Destroy()
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conn.Shutdown()
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t.Error("Cluster stats aren't changing")
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}
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func TestGetFSID(t *testing.T) {
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conn, _ := rados.NewConn()
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conn.ReadDefaultConfigFile()
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conn.Connect()
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fsid, err := conn.GetFSID()
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assert.NoError(t, err)
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assert.NotEqual(t, fsid, "")
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conn.Shutdown()
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}
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func TestGetInstanceID(t *testing.T) {
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conn, _ := rados.NewConn()
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conn.ReadDefaultConfigFile()
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conn.Connect()
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id := conn.GetInstanceID()
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assert.NotEqual(t, id, 0)
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conn.Shutdown()
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}
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func TestMakeDeletePool(t *testing.T) {
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conn, _ := rados.NewConn()
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conn.ReadDefaultConfigFile()
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conn.Connect()
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// get current list of pool
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pools, err := conn.ListPools()
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assert.NoError(t, err)
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// check that new pool name is unique
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new_name := GetUUID()
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for _, poolname := range pools {
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if new_name == poolname {
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t.Error("Random pool name exists!")
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return
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}
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}
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// create pool
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err = conn.MakePool(new_name)
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assert.NoError(t, err)
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// get updated list of pools
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pools, err = conn.ListPools()
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assert.NoError(t, err)
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// verify that the new pool name exists
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found := false
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for _, poolname := range pools {
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if new_name == poolname {
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found = true
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}
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}
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if !found {
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t.Error("Cannot find newly created pool")
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}
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// delete the pool
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err = conn.DeletePool(new_name)
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assert.NoError(t, err)
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// verify that it is gone
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// get updated list of pools
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pools, err = conn.ListPools()
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assert.NoError(t, err)
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// verify that the new pool name exists
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found = false
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for _, poolname := range pools {
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if new_name == poolname {
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found = true
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}
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}
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if found {
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t.Error("Deleted pool still exists")
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}
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conn.Shutdown()
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}
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func TestPingMonitor(t *testing.T) {
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conn, _ := rados.NewConn()
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conn.ReadDefaultConfigFile()
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conn.Connect()
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// mon id that should work with vstart.sh
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reply, err := conn.PingMonitor("a")
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if err == nil {
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assert.NotEqual(t, reply, "")
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return
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}
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// mon id that should work with micro-osd.sh
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reply, err = conn.PingMonitor("0")
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if err == nil {
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assert.NotEqual(t, reply, "")
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return
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}
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// try to use a hostname as the monitor id
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mon_addr, _ := conn.GetConfigOption("mon_host")
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hosts, _ := net.LookupAddr(mon_addr)
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for _, host := range hosts {
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reply, err := conn.PingMonitor(host)
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if err == nil {
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assert.NotEqual(t, reply, "")
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return
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}
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}
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t.Error("Could not find a valid monitor id")
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conn.Shutdown()
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}
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func TestReadConfigFile(t *testing.T) {
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conn, _ := rados.NewConn()
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// check current log_file value
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log_file_val, err := conn.GetConfigOption("log_file")
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assert.NoError(t, err)
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assert.NotEqual(t, log_file_val, "/dev/null")
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// create a temporary ceph.conf file that changes the log_file conf
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// option.
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file, err := ioutil.TempFile("/tmp", "go-rados")
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assert.NoError(t, err)
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_, err = io.WriteString(file, "[global]\nlog_file = /dev/null\n")
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assert.NoError(t, err)
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// parse the config file
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err = conn.ReadConfigFile(file.Name())
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assert.NoError(t, err)
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// check current log_file value
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log_file_val, err = conn.GetConfigOption("log_file")
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assert.NoError(t, err)
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assert.Equal(t, log_file_val, "/dev/null")
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// cleanup
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file.Close()
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os.Remove(file.Name())
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}
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func TestWaitForLatestOSDMap(t *testing.T) {
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conn, _ := rados.NewConn()
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conn.ReadDefaultConfigFile()
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conn.Connect()
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err := conn.WaitForLatestOSDMap()
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assert.NoError(t, err)
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conn.Shutdown()
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}
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func TestReadWrite(t *testing.T) {
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conn, _ := rados.NewConn()
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conn.ReadDefaultConfigFile()
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conn.Connect()
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// make pool
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pool_name := GetUUID()
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err := conn.MakePool(pool_name)
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assert.NoError(t, err)
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pool, err := conn.OpenIOContext(pool_name)
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assert.NoError(t, err)
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bytes_in := []byte("input data")
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err = pool.Write("obj", bytes_in, 0)
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assert.NoError(t, err)
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bytes_out := make([]byte, len(bytes_in))
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n_out, err := pool.Read("obj", bytes_out, 0)
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assert.Equal(t, n_out, len(bytes_in))
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assert.Equal(t, bytes_in, bytes_out)
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pool.Destroy()
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}
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func TestGetPoolStats(t *testing.T) {
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conn, _ := rados.NewConn()
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conn.ReadDefaultConfigFile()
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conn.Connect()
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poolname := GetUUID()
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err := conn.MakePool(poolname)
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assert.NoError(t, err)
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pool, err := conn.OpenIOContext(poolname)
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assert.NoError(t, err)
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// grab current stats
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prev_stat, err := pool.GetPoolStats()
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fmt.Printf("prev_stat: %+v\n", prev_stat)
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assert.NoError(t, err)
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// make some changes to the cluster
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buf := make([]byte, 1<<20)
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for i := 0; i < 10; i++ {
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objname := GetUUID()
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pool.Write(objname, buf, 0)
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}
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// wait a while for the stats to change
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for i := 0; i < 30; i++ {
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stat, err := pool.GetPoolStats()
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assert.NoError(t, err)
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// wait for something to change
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if stat == prev_stat {
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fmt.Printf("curr_stat: %+v (trying again...)\n", stat)
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time.Sleep(time.Second)
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} else {
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// success
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fmt.Printf("curr_stat: %+v (change detected)\n", stat)
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conn.Shutdown()
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return
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}
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}
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pool.Destroy()
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conn.Shutdown()
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t.Error("Pool stats aren't changing")
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}
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func TestGetPoolName(t *testing.T) {
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conn, _ := rados.NewConn()
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conn.ReadDefaultConfigFile()
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conn.Connect()
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poolname := GetUUID()
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err := conn.MakePool(poolname)
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assert.NoError(t, err)
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ioctx, err := conn.OpenIOContext(poolname)
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assert.NoError(t, err)
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poolname_ret, err := ioctx.GetPoolName()
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assert.NoError(t, err)
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assert.Equal(t, poolname, poolname_ret)
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ioctx.Destroy()
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conn.Shutdown()
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}
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func TestMonCommand(t *testing.T) {
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conn, _ := rados.NewConn()
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conn.ReadDefaultConfigFile()
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conn.Connect()
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command, err := json.Marshal(map[string]string{"prefix": "df", "format": "json"})
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assert.NoError(t, err)
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buf, info, err := conn.MonCommand(command)
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assert.NoError(t, err)
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assert.Equal(t, info, "")
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var message map[string]interface{}
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err = json.Unmarshal(buf, &message)
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assert.NoError(t, err)
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conn.Shutdown()
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}
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func TestObjectIterator(t *testing.T) {
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conn, _ := rados.NewConn()
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conn.ReadDefaultConfigFile()
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conn.Connect()
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poolname := GetUUID()
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err := conn.MakePool(poolname)
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assert.NoError(t, err)
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ioctx, err := conn.OpenIOContext(poolname)
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assert.NoError(t, err)
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objectList := []string{}
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err = ioctx.ListObjects(func(oid string) {
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objectList = append(objectList, oid)
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})
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assert.NoError(t, err)
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assert.True(t, len(objectList) == 0)
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createdList := []string{}
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for i := 0; i < 200; i++ {
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oid := GetUUID()
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bytes_in := []byte("input data")
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err = ioctx.Write(oid, bytes_in, 0)
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assert.NoError(t, err)
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createdList = append(createdList, oid)
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}
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assert.True(t, len(createdList) == 200)
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err = ioctx.ListObjects(func(oid string) {
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objectList = append(objectList, oid)
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})
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assert.NoError(t, err)
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assert.Equal(t, len(objectList), len(createdList))
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sort.Strings(objectList)
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sort.Strings(createdList)
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assert.Equal(t, objectList, createdList)
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}
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