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package run_test
import (
"io/ioutil"
"net"
"os"
"path/filepath"
"testing"
"time"
"github.com/influxdata/influxdb/cmd/influxd/backup"
"github.com/influxdata/influxdb/cmd/influxd/restore"
)
func TestServer_BackupAndRestore(t *testing.T) {
t.Skip("currently fails intermittently. See issue https://github.com/influxdata/influxdb/issues/6590")
config := NewConfig()
config.Data.Engine = "tsm1"
config.Data.Dir, _ = ioutil.TempDir("", "data_backup")
config.Meta.Dir, _ = ioutil.TempDir("", "meta_backup")
config.BindAddress = freePort()
backupDir, _ := ioutil.TempDir("", "backup")
defer os.RemoveAll(backupDir)
db := "mydb"
rp := "forever"
expected := `{"results":[{"series":[{"name":"myseries","columns":["time","host","value"],"values":[["1970-01-01T00:00:00.001Z","A",23]]}]}]}`
// set the cache snapshot size low so that a single point will cause TSM file creation
config.Data.CacheSnapshotMemorySize = 1
func() {
s := OpenServer(config)
defer s.Close()
if err := s.CreateDatabaseAndRetentionPolicy(db, newRetentionPolicySpec(rp, 1, 0)); err != nil {
t.Fatal(err)
}
if err := s.MetaClient.SetDefaultRetentionPolicy(db, rp); err != nil {
t.Fatal(err)
}
if _, err := s.Write(db, rp, "myseries,host=A value=23 1000000", nil); err != nil {
t.Fatalf("failed to write: %s", err)
}
// wait for the snapshot to write
time.Sleep(time.Second)
res, err := s.Query(`select * from "mydb"."forever"."myseries"`)
if err != nil {
t.Fatalf("error querying: %s", err.Error())
}
if res != expected {
t.Fatalf("query results wrong:\n\texp: %s\n\tgot: %s", expected, res)
}
// now backup
cmd := backup.NewCommand()
_, port, err := net.SplitHostPort(config.BindAddress)
if err != nil {
t.Fatal(err)
}
hostAddress := net.JoinHostPort("localhost", port)
if err := cmd.Run("-host", hostAddress, "-database", "mydb", backupDir); err != nil {
t.Fatalf("error backing up: %s, hostAddress: %s", err.Error(), hostAddress)
}
}()
if _, err := os.Stat(config.Meta.Dir); err == nil || !os.IsNotExist(err) {
t.Fatalf("meta dir should be deleted")
}
if _, err := os.Stat(config.Data.Dir); err == nil || !os.IsNotExist(err) {
t.Fatalf("meta dir should be deleted")
}
// restore
cmd := restore.NewCommand()
if err := cmd.Run("-metadir", config.Meta.Dir, "-datadir", config.Data.Dir, "-database", "mydb", backupDir); err != nil {
t.Fatalf("error restoring: %s", err.Error())
}
// Make sure node.json was restored
nodePath := filepath.Join(config.Meta.Dir, "node.json")
if _, err := os.Stat(nodePath); err != nil || os.IsNotExist(err) {
t.Fatalf("node.json should exist")
}
// now open it up and verify we're good
s := OpenServer(config)
defer s.Close()
res, err := s.Query(`select * from "mydb"."forever"."myseries"`)
if err != nil {
t.Fatalf("error querying: %s", err.Error())
}
if res != expected {
t.Fatalf("query results wrong:\n\texp: %s\n\tgot: %s", expected, res)
}
}
func freePort() string {
l, _ := net.Listen("tcp", "")
defer l.Close()
return l.Addr().String()
}
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