/
produce-new-snapshot.go
213 lines (181 loc) · 5.98 KB
/
produce-new-snapshot.go
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package snapshotcompatibility
import (
"bytes"
"context"
"fmt"
"net/http"
"path/filepath"
"strconv"
"time"
"github.com/vegaprotocol/devopstools/tools"
"github.com/vegaprotocol/devopstools/vegaapi"
"github.com/vegaprotocol/devopstools/vegaapi/core"
"github.com/vegaprotocol/devopstools/vegacapsule"
vegaapipb "code.vegaprotocol.io/vega/protos/vega/api/v1"
"github.com/spf13/cobra"
"go.uber.org/zap"
)
type ProduceNewSnapshotArgs struct {
*SnapshotCompatibilityArgs
VegacapsuleHome string
VegacapsuleBinary string
}
var produceNewSnapshotArgs ProduceNewSnapshotArgs
var produceNewSnapshotCmd = &cobra.Command{
Use: "produce-new-snapshot",
Short: "Produces new snapshot for the snapshot-compatibility network",
Run: func(cmd *cobra.Command, args []string) {
if err := runProduceNewSnapshot(produceNewSnapshotArgs.Logger,
produceNewSnapshotArgs.VegacapsuleBinary,
produceNewSnapshotArgs.VegacapsuleHome,
); err != nil {
produceNewSnapshotArgs.Logger.Fatal("failed to produce new snapshot", zap.Error(err))
}
},
}
func init() {
produceNewSnapshotArgs.SnapshotCompatibilityArgs = &snapshotCompatibilityArgs
produceNewSnapshotCmd.PersistentFlags().
StringVar(&produceNewSnapshotArgs.VegacapsuleHome, "vegacapsule-home", "", "The custom vegacapsule home")
produceNewSnapshotCmd.PersistentFlags().
StringVar(&produceNewSnapshotArgs.VegacapsuleBinary, "vegacapsule-binary", "vegacapsule", "The vegacapsule binary path")
}
func runProduceNewSnapshot(
logger *zap.Logger,
vegacapsuleBinary, vegacapsuleHome string,
) error {
fmt.Println(vegacapsuleBinary)
nodes, err := vegacapsule.ListNodes(vegacapsuleBinary, vegacapsuleHome)
if err != nil {
return fmt.Errorf("failed to list vegacapsule nodes: %w", err)
}
var validatorNode *vegacapsule.NodeDetails
logger.Info("Searching validator node in the vegacapsule network")
for _, node := range nodes {
if node.Mode == vegacapsule.VegaModeValidator {
validatorNode = &node
break
}
}
if validatorNode == nil {
return fmt.Errorf(
"validator node not found in the vegacapsule network in %s",
vegacapsuleHome,
)
}
logger.Info(fmt.Sprintf("Found validator node %s", validatorNode.Name))
logger.Info("Moving network forward until new snapshot is produced")
err = moveNullChainNetworkForward(logger, *validatorNode)
if err != nil {
return fmt.Errorf("failed to move network forward: %w", err)
}
logger.Info("New snapshot found")
return nil
}
func moveNullChainNetworkForward(
logger *zap.Logger,
nodeDetails vegacapsule.NodeDetails,
) error {
coreConfigPath := filepath.Join(nodeDetails.Vega.HomeDir, VegaCoreConfigPath)
nullchainPort, err := tools.ReadStructuredFileValue(
"toml",
coreConfigPath,
"Blockchain.Null.Port",
)
if err != nil {
return fmt.Errorf("failed to get nullchain port: %w", err)
}
coreGRPCPort, err := tools.ReadStructuredFileValue("toml", coreConfigPath, "API.Port")
if err != nil {
return fmt.Errorf("failed to get core grpc port: %w", err)
}
if nullchainPort == "" {
return fmt.Errorf("nullchain port is invalid: empty port")
}
if coreGRPCPort == "" {
return fmt.Errorf("the core gprc port is invalid: empty port")
}
logger.Info("Crateing Core GRPC client")
coreClient := core.NewCoreClient(
[]string{fmt.Sprintf("localhost:%s", coreGRPCPort)},
5*time.Second,
logger,
)
dialContext, dialCancel := context.WithTimeout(context.Background(), 15*time.Second)
defer dialCancel()
coreClient.MustDialConnectionIgnoreTime(dialContext)
logger.Info("Getting snapshot.interval.length from network parameters")
networkParameters, err := coreClient.CoreNetworkParameters("snapshot.interval.length")
if err != nil {
return fmt.Errorf("failed to get network parameters from core api: %w", err)
}
if len(networkParameters) <= 0 {
return fmt.Errorf(
"failed to get network parameters from core api: empty list returned",
)
}
snapshotLength := 0
for _, parameter := range networkParameters {
if parameter.Key == "snapshot.interval.length" {
snapshotLength, err = strconv.Atoi(parameter.Value)
if err != nil {
return fmt.Errorf(
"failed to convert value of snapshot.interval.length to int: %w",
err,
)
}
break
}
}
logger.Info(fmt.Sprintf("Snapsgot interval is %d", snapshotLength))
logger.Info("Fetching current network height")
initialNetworkHeight, err := getNetworkHeight(coreClient)
if err != nil {
return fmt.Errorf("failed to fetch initial network height: %w", err)
}
expectedBlock := initialNetworkHeight + snapshotLength*2
currentnetworkHeight := 0
// wait about 120 secs
for i := 0; i < 120; i++ {
forwardBody := []byte(`{"forward": "30s"}`)
logger.Info("Moving the chain 30 seconds into the future")
if _, err := http.Post(fmt.Sprintf("http://localhost:%s/api/v1/forwardtime", nullchainPort), "application/json", bytes.NewBuffer(forwardBody)); err != nil {
logger.Info(
"failed to send post request to move the chain 5 sec into the future",
zap.Error(err),
)
}
currentnetworkHeight, err = getNetworkHeight(coreClient)
if err != nil {
return fmt.Errorf("failed to get network height: %w", err)
}
if currentnetworkHeight <= expectedBlock {
logger.Info(
"... still waiting",
zap.Int("current network block", currentnetworkHeight),
zap.Int("expected network block", expectedBlock),
)
time.Sleep(1 * time.Second)
continue
}
logger.Info(
"Snapshot should be produced",
zap.Int("current network block", currentnetworkHeight),
zap.Int("expected network block", expectedBlock),
)
break
}
if currentnetworkHeight <= expectedBlock {
return fmt.Errorf("network did not move enough to produce snapshot")
}
return nil
}
func getNetworkHeight(coreClient vegaapi.VegaCoreClient) (int, error) {
statistics, err := tools.RetryReturn(3, 3*time.Second, func() (*vegaapipb.StatisticsResponse, error) {
return coreClient.Statistics()
})
if err != nil {
return 0, fmt.Errorf("failed to get output from the statistic core api: %w", err)
}
return int(statistics.Statistics.BlockHeight), nil
}