lotus/lotus-soup/deals_stress.go
2020-07-10 13:48:52 +02:00

147 lines
3.7 KiB
Go

package main
import (
"context"
"fmt"
"io/ioutil"
"math/rand"
"os"
"sync"
"time"
"github.com/filecoin-project/lotus/api"
"github.com/ipfs/go-cid"
"github.com/filecoin-project/oni/lotus-soup/testkit"
)
func dealsStress(t *testkit.TestEnvironment) error {
// Dispatch/forward non-client roles to defaults.
if t.Role != "client" {
return testkit.HandleDefaultRole(t)
}
t.RecordMessage("running client")
cl, err := testkit.PrepareClient(t)
if err != nil {
return err
}
ctx := context.Background()
client := cl.FullApi
// select a random miner
minerAddr := cl.MinerAddrs[rand.Intn(len(cl.MinerAddrs))]
if err := client.NetConnect(ctx, minerAddr.MinerNetAddrs); err != nil {
return err
}
t.RecordMessage("selected %s as the miner", minerAddr.MinerActorAddr)
time.Sleep(2 * time.Second)
// prepare a number of concurrent data points
deals := t.IntParam("deals")
data := make([][]byte, 0, deals)
files := make([]*os.File, 0, deals)
cids := make([]cid.Cid, 0, deals)
rng := rand.NewSource(time.Now().UnixNano())
for i := 0; i < deals; i++ {
dealData := make([]byte, 1600)
rand.New(rng).Read(dealData)
dealFile, err := ioutil.TempFile("/tmp", "data")
if err != nil {
return err
}
defer os.Remove(dealFile.Name())
_, err = dealFile.Write(dealData)
if err != nil {
return err
}
dealCid, err := client.ClientImport(ctx, api.FileRef{Path: dealFile.Name(), IsCAR: false})
if err != nil {
return err
}
t.RecordMessage("deal %d file cid: %s", i, dealCid)
data = append(data, dealData)
files = append(files, dealFile)
cids = append(cids, dealCid.Root)
}
concurrentDeals := true
if t.StringParam("deal_mode") == "serial" {
concurrentDeals = false
}
// this to avoid failure to get block
time.Sleep(2 * time.Second)
t.RecordMessage("starting storage deals")
if concurrentDeals {
var wg1 sync.WaitGroup
for i := 0; i < deals; i++ {
wg1.Add(1)
go func(i int) {
defer wg1.Done()
t1 := time.Now()
deal := testkit.StartDeal(ctx, minerAddr.MinerActorAddr, client, cids[i])
t.RecordMessage("started storage deal %d -> %s", i, deal)
time.Sleep(2 * time.Second)
t.RecordMessage("waiting for deal %d to be sealed", i)
testkit.WaitDealSealed(t, ctx, client, deal)
t.D().ResettingHistogram(fmt.Sprintf("deal.sealed,miner=%s", minerAddr.MinerActorAddr)).Update(int64(time.Since(t1)))
}(i)
}
t.RecordMessage("waiting for all deals to be sealed")
wg1.Wait()
t.RecordMessage("all deals sealed; starting retrieval")
var wg2 sync.WaitGroup
for i := 0; i < deals; i++ {
wg2.Add(1)
go func(i int) {
defer wg2.Done()
t.RecordMessage("retrieving data for deal %d", i)
t1 := time.Now()
testkit.RetrieveData(t, ctx, client, cids[i], true, data[i])
t.RecordMessage("retrieved data for deal %d", i)
t.D().ResettingHistogram("deal.retrieved").Update(int64(time.Since(t1)))
}(i)
}
t.RecordMessage("waiting for all retrieval deals to complete")
wg2.Wait()
t.RecordMessage("all retrieval deals successful")
} else {
for i := 0; i < deals; i++ {
deal := testkit.StartDeal(ctx, minerAddr.MinerActorAddr, client, cids[i])
t.RecordMessage("started storage deal %d -> %s", i, deal)
time.Sleep(2 * time.Second)
t.RecordMessage("waiting for deal %d to be sealed", i)
testkit.WaitDealSealed(t, ctx, client, deal)
}
for i := 0; i < deals; i++ {
t.RecordMessage("retrieving data for deal %d", i)
testkit.RetrieveData(t, ctx, client, cids[i], true, data[i])
t.RecordMessage("retrieved data for deal %d", i)
}
}
t.SyncClient.MustSignalEntry(ctx, testkit.StateStopMining)
t.SyncClient.MustSignalAndWait(ctx, testkit.StateDone, t.TestInstanceCount)
time.Sleep(15 * time.Second) // wait for metrics to be emitted
return nil
}