113 lines
3.7 KiB
Go
113 lines
3.7 KiB
Go
// VulcanizeDB
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// Copyright © 2022 Vulcanize
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package cmd
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import (
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"context"
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"fmt"
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"net/http"
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"strconv"
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"github.com/prometheus/client_golang/prometheus/promhttp"
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log "github.com/sirupsen/logrus"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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"github.com/vulcanize/ipld-eth-beacon-indexer/internal/boot"
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"github.com/vulcanize/ipld-eth-beacon-indexer/internal/shutdown"
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"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/loghelper"
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"golang.org/x/sync/errgroup"
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)
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// headCmd represents the head command
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var headCmd = &cobra.Command{
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Use: "head",
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Short: "Capture only the blocks and state at head.",
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Long: `Capture only the blocks and state at head.`,
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Run: func(cmd *cobra.Command, args []string) {
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startHeadTracking()
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},
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}
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// Start the application to track at head.
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func startHeadTracking() {
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// Boot the application
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log.Info("Starting the application in head tracking mode.")
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ctx := context.Background()
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Bc, Db, err := boot.BootApplicationWithRetry(ctx, viper.GetString("db.address"), viper.GetInt("db.port"), viper.GetString("db.name"), viper.GetString("db.username"), viper.GetString("db.password"), viper.GetString("db.driver"),
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viper.GetString("bc.address"), viper.GetInt("bc.port"), viper.GetString("bc.connectionProtocol"), viper.GetString("bc.type"), viper.GetInt("bc.bootRetryInterval"), viper.GetInt("bc.bootMaxRetry"),
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viper.GetInt("kg.increment"), "head", viper.GetBool("t.skipSync"), viper.GetInt("bc.uniqueNodeIdentifier"), viper.GetBool("bc.checkDb"))
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if err != nil {
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StopApplicationPreBoot(err, Db)
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}
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if viper.GetBool("pm.metrics") {
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addr := viper.GetString("pm.address") + ":" + strconv.Itoa(viper.GetInt("pm.port"))
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serveProm(addr)
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}
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log.Info("The Beacon Client has booted successfully!")
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// Capture head blocks
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go Bc.CaptureHead()
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kgCtx, KgCancel := context.WithCancel(context.Background())
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if viper.GetBool("kg.processKnownGaps") {
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go func() {
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errG := new(errgroup.Group)
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errG.Go(func() error {
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errs := Bc.ProcessKnownGaps(kgCtx, viper.GetInt("kg.maxKnownGapsWorker"))
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if len(errs) != 0 {
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log.WithFields(log.Fields{"errs": errs}).Error("All errors when processing knownGaps")
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return fmt.Errorf("Application ended because there were too many error when attempting to process knownGaps")
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}
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return nil
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})
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if err := errG.Wait(); err != nil {
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loghelper.LogError(err).Error("Error with knownGaps processing")
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}
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}()
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}
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// Shutdown when the time is right.
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err = shutdown.ShutdownHeadTracking(ctx, KgCancel, notifierCh, maxWaitSecondsShutdown, Db, Bc)
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if err != nil {
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loghelper.LogError(err).Error("Ungracefully Shutdown ipld-eth-beacon-indexer!")
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} else {
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log.Info("Gracefully shutdown ipld-eth-beacon-indexer")
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}
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}
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func init() {
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captureCmd.AddCommand(headCmd)
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}
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// Start prometheus server
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func serveProm(addr string) {
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mux := http.NewServeMux()
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mux.Handle("/metrics", promhttp.Handler())
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srv := http.Server{
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Addr: addr,
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Handler: mux,
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}
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go func() {
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if err := srv.ListenAndServe(); err != nil {
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loghelper.LogError(err).WithField("endpoint", addr).Error("Error with prometheus")
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}
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}()
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}
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