forked from stellar/go
/
db.go
253 lines (217 loc) · 5.61 KB
/
db.go
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package main
import (
"database/sql"
"fmt"
"log"
"os"
"strconv"
"time"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"github.com/stellar/go/services/horizon/internal/db2/schema"
"github.com/stellar/go/services/horizon/internal/ingest"
"github.com/stellar/go/support/db"
hlog "github.com/stellar/go/support/log"
)
var dbCmd = &cobra.Command{
Use: "db [command]",
Short: "commands to manage horizon's postgres db",
}
var dbBackfillCmd = &cobra.Command{
Use: "backfill [COUNT]",
Short: "backfills horizon history for COUNT ledgers",
Run: func(cmd *cobra.Command, args []string) {
initConfig()
hlog.DefaultLogger.Logger.Level = config.LogLevel
i := ingestSystem(ingest.Config{})
i.SkipCursorUpdate = true
parsed, err := strconv.ParseUint(args[0], 10, 32)
if err != nil {
log.Fatal(err)
}
err = i.Backfill(uint(parsed))
if err != nil {
log.Fatal(err)
}
},
}
var dbClearCmd = &cobra.Command{
Use: "clear",
Short: "clears all imported historical data",
Run: func(cmd *cobra.Command, args []string) {
initConfig()
hlog.DefaultLogger.Logger.Level = config.LogLevel
i := ingestSystem(ingest.Config{})
err := i.ClearAll()
if err != nil {
hlog.Error(err)
os.Exit(1)
}
},
}
var dbInitCmd = &cobra.Command{
Use: "init",
Short: "install schema",
Long: "init initializes the postgres database used by horizon.",
Run: func(cmd *cobra.Command, args []string) {
db, err := db.Open("postgres", viper.GetString("db-url"))
if err != nil {
hlog.Error(err)
os.Exit(1)
}
err = schema.Init(db)
if err != nil {
hlog.Error(err)
os.Exit(1)
}
},
}
var dbMigrateCmd = &cobra.Command{
Use: "migrate [up|down|redo] [COUNT]",
Short: "migrate schema",
Long: "performs a schema migration command",
Run: func(cmd *cobra.Command, args []string) {
// Allow invokations with 1 or 2 args. All other args counts are erroneous.
if len(args) < 1 || len(args) > 2 {
cmd.Usage()
os.Exit(1)
}
dir := schema.MigrateDir(args[0])
count := 0
// If a second arg is present, parse it to an int and use it as the count
// argument to the migration call.
if len(args) == 2 {
var err error
count, err = strconv.Atoi(args[1])
if err != nil {
log.Println(err)
cmd.Usage()
os.Exit(1)
}
}
db, err := sql.Open("postgres", viper.GetString("db-url"))
if err != nil {
log.Fatal(err)
}
_, err = schema.Migrate(db, dir, count)
if err != nil {
log.Fatal(err)
}
},
}
var dbReapCmd = &cobra.Command{
Use: "reap",
Short: "reaps (i.e. removes) any reapable history data",
Long: "reap removes any historical data that is earlier than the configured retention cutoff",
Run: func(cmd *cobra.Command, args []string) {
initApp(cmd, args)
err := app.DeleteUnretainedHistory()
if err != nil {
log.Fatal(err)
}
},
}
var dbRebaseCmd = &cobra.Command{
Use: "rebase",
Short: "rebases clears the horizon db and ingests the latest ledger segment from stellar-core",
Long: "...",
Run: func(cmd *cobra.Command, args []string) {
initConfig()
hlog.DefaultLogger.Logger.Level = config.LogLevel
i := ingestSystem(ingest.Config{})
i.SkipCursorUpdate = true
err := i.RebaseHistory()
if err != nil {
log.Fatal(err)
}
},
}
var dbReingestCmd = &cobra.Command{
Use: "reingest",
Short: "imports all data",
Long: "reingest runs the ingestion pipeline over every ledger",
Run: func(cmd *cobra.Command, args []string) {
initConfig()
hlog.DefaultLogger.Logger.Level = config.LogLevel
i := ingestSystem(ingest.Config{})
i.SkipCursorUpdate = true
logStatus := func(stage string) {
count := i.Metrics.IngestLedgerTimer.Count()
rate := i.Metrics.IngestLedgerTimer.RateMean()
loadMean := time.Duration(i.Metrics.LoadLedgerTimer.Mean())
ingestMean := time.Duration(i.Metrics.IngestLedgerTimer.Mean())
clearMean := time.Duration(i.Metrics.IngestLedgerTimer.Mean())
hlog.
WithField("count", count).
WithField("rate", rate).
WithField("means", fmt.Sprintf("load: %s clear: %s ingest: %s", loadMean, clearMean, ingestMean)).
Infof("reingest: %s", stage)
}
done := make(chan error, 1)
// run ingestion in separate goroutine
go func() {
_, err := reingest(i, args)
done <- err
logStatus("complete")
}()
// output metrics
metrics := time.Tick(2 * time.Second)
for {
select {
case <-metrics:
logStatus("status")
case err := <-done:
if err != nil {
log.Fatal(err)
}
os.Exit(0)
}
}
},
}
func init() {
dbCmd.AddCommand(dbInitCmd)
dbCmd.AddCommand(dbBackfillCmd)
dbCmd.AddCommand(dbClearCmd)
dbCmd.AddCommand(dbMigrateCmd)
dbCmd.AddCommand(dbReapCmd)
dbCmd.AddCommand(dbReingestCmd)
dbCmd.AddCommand(dbRebaseCmd)
}
func ingestSystem(ingestConfig ingest.Config) *ingest.System {
hdb, err := db.Open("postgres", config.DatabaseURL)
if err != nil {
log.Fatal(err)
}
cdb, err := db.Open("postgres", config.StellarCoreDatabaseURL)
if err != nil {
log.Fatal(err)
}
passphrase := viper.GetString("network-passphrase")
if passphrase == "" {
log.Fatal("network-passphrase is blank: reingestion requires manually setting passphrase")
}
i := ingest.New(passphrase, config.StellarCoreURL, cdb, hdb, ingestConfig)
return i
}
func reingest(i *ingest.System, args []string) (int, error) {
if len(args) == 0 {
count, err := i.ReingestAll()
return count, err
}
if len(args) == 1 && args[0] == "outdated" {
count, err := i.ReingestOutdated()
return count, err
}
for idx, arg := range args {
seq, err := strconv.Atoi(arg)
if err != nil {
return idx, err
}
err = i.ReingestSingle(int32(seq))
if err != nil {
return idx, err
}
}
return len(args), nil
}