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