mirror of
https://github.com/openziti/zrok.git
synced 2025-06-27 13:11:27 +02:00
initial public http looper implementation (#771)
This commit is contained in:
Michael Quigley
parent
932d25f47c
commit
3c00c223ad
153
canary/looper.go
153
canary/looper.go
@ -1,132 +1,47 @@
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package canary
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import (
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"bytes"
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"github.com/openziti/sdk-golang/ziti"
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"github.com/openziti/sdk-golang/ziti/edge"
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"github.com/openziti/zrok/environment/env_core"
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"github.com/openziti/zrok/sdk/golang/sdk"
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"github.com/pkg/errors"
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"github.com/openziti/zrok/util"
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"github.com/sirupsen/logrus"
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"io"
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"math/rand"
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"net/http"
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"time"
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)
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type PublicHttpLooper struct {
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id int
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frontend string
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opt *LooperOptions
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root env_core.Root
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shr *sdk.Share
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listener edge.Listener
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done chan struct{}
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type LooperOptions struct {
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Iterations uint
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StatusInterval uint
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Timeout time.Duration
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MinPayload uint64
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MaxPayload uint64
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MinDwell time.Duration
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MaxDwell time.Duration
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MinPacing time.Duration
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MaxPacing time.Duration
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}
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func NewPublicHttpLooper(id int, frontend string, opt *LooperOptions, root env_core.Root) *PublicHttpLooper {
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return &PublicHttpLooper{
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id: id,
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frontend: frontend,
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root: root,
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done: make(chan struct{}),
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}
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type LooperResults struct {
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StartTime time.Time
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StopTime time.Time
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Loops uint
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Errors uint
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Mismatches uint
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Bytes uint64
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}
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func (l *PublicHttpLooper) Run() {
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defer close(l.done)
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defer logrus.Infof("stopping #%d", l.id)
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logrus.Infof("starting #%d", l.id)
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if err := l.startup(); err != nil {
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logrus.Fatalf("#%d error starting: %v", l.id, err)
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}
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if err := l.bindListener(); err != nil {
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logrus.Fatalf("#%d error binding listener: %v", l.id, err)
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}
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l.dwell()
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logrus.Infof("completed #%d", l.id)
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if err := l.shutdown(); err != nil {
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logrus.Fatalf("error shutting down #%d: %v", l.id, err)
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func ReportLooperResults(results []*LooperResults) {
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totalXfer := uint64(0)
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totalErrors := uint(0)
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totalMismatches := uint(0)
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totalLoops := uint(0)
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for i, result := range results {
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deltaSeconds := result.StopTime.Sub(result.StartTime).Seconds()
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xfer := uint64(float64(result.Bytes) / deltaSeconds)
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totalXfer += xfer
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totalErrors += result.Errors
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totalMismatches += result.Mismatches
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xferSec := util.BytesToSize(int64(xfer))
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totalLoops += result.Loops
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logrus.Infof("looper #%d: %d loops, %d errors, %d mismatches, %s/sec", i, result.Loops, result.Errors, result.Mismatches, xferSec)
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}
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}
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func (l *PublicHttpLooper) startup() error {
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shr, err := sdk.CreateShare(l.root, &sdk.ShareRequest{
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ShareMode: sdk.PublicShareMode,
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BackendMode: sdk.ProxyBackendMode,
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Target: "canary.PublicHttpLooper",
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Frontends: []string{l.frontend},
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PermissionMode: sdk.ClosedPermissionMode,
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})
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if err != nil {
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return err
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}
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l.shr = shr
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logrus.Infof("#%d allocated share '%v'", l.id, l.shr)
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return nil
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}
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func (l *PublicHttpLooper) bindListener() error {
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zif, err := l.root.ZitiIdentityNamed(l.root.EnvironmentIdentityName())
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if err != nil {
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return errors.Wrapf(err, "#%d error getting identity", l.id)
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}
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zcfg, err := ziti.NewConfigFromFile(zif)
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if err != nil {
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return errors.Wrapf(err, "#%d error loading ziti config", l.id)
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}
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options := ziti.ListenOptions{
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ConnectTimeout: 5 * time.Minute,
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WaitForNEstablishedListeners: 1,
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}
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zctx, err := ziti.NewContext(zcfg)
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if err != nil {
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return errors.Wrapf(err, "#%d error creating ziti context", l.id)
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}
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if l.listener, err = zctx.ListenWithOptions(l.shr.Token, &options); err != nil {
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return errors.Wrapf(err, "#%d error binding listener", l.id)
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}
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go func() {
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if err := http.Serve(l.listener, l); err != nil {
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logrus.Errorf("#%d error starting http listener: %v", l.id, err)
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}
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}()
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return nil
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}
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func (l *PublicHttpLooper) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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buf := new(bytes.Buffer)
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io.Copy(buf, r.Body)
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w.Write(buf.Bytes())
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}
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func (l *PublicHttpLooper) dwell() {
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dwell := l.opt.MinDwell.Milliseconds()
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dwelta := l.opt.MaxDwell.Milliseconds() - l.opt.MinDwell.Milliseconds()
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if dwelta > 0 {
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dwell = int64(rand.Intn(int(dwelta)) + int(l.opt.MinDwell.Milliseconds()))
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}
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time.Sleep(time.Duration(dwell) * time.Millisecond)
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}
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func (l *PublicHttpLooper) shutdown() error {
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if l.listener != nil {
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if err := l.listener.Close(); err != nil {
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logrus.Errorf("#%d error closing listener: %v", l.id, err)
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}
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}
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if err := sdk.DeleteShare(l.root, l.shr); err != nil {
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return errors.Wrapf(err, "#%d error deleting share", l.id)
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}
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return nil
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totalXferSec := util.BytesToSize(int64(totalXfer))
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logrus.Infof("total: %d loops, %d errors, %d mismatches, %s/sec", totalLoops, totalErrors, totalMismatches, totalXferSec)
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}
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@ -1,14 +0,0 @@
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package canary
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import "time"
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type LooperOptions struct {
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Iterations uint
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Timeout time.Duration
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MinPayload uint64
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MaxPayload uint64
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MinDwell time.Duration
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MaxDwell time.Duration
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MinPacing time.Duration
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MaxPacing time.Duration
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}
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202
canary/publicHttpLooper.go
Normal file
202
canary/publicHttpLooper.go
Normal file
@ -0,0 +1,202 @@
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package canary
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import (
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"bytes"
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cryptorand "crypto/rand"
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"encoding/base64"
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"github.com/openziti/sdk-golang/ziti"
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"github.com/openziti/sdk-golang/ziti/edge"
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"github.com/openziti/zrok/environment/env_core"
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"github.com/openziti/zrok/sdk/golang/sdk"
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"github.com/pkg/errors"
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"github.com/sirupsen/logrus"
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"io"
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"math/rand"
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"net/http"
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"time"
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)
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type PublicHttpLooper struct {
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id uint
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frontend string
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opt *LooperOptions
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root env_core.Root
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shr *sdk.Share
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listener edge.Listener
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abort bool
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done chan struct{}
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results *LooperResults
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}
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func NewPublicHttpLooper(id uint, frontend string, opt *LooperOptions, root env_core.Root) *PublicHttpLooper {
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return &PublicHttpLooper{
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id: id,
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frontend: frontend,
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root: root,
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done: make(chan struct{}),
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results: &LooperResults{},
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}
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}
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func (l *PublicHttpLooper) Run() {
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defer close(l.done)
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defer logrus.Infof("stopping #%d", l.id)
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logrus.Infof("starting #%d", l.id)
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if err := l.startup(); err != nil {
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logrus.Fatalf("#%d error starting: %v", l.id, err)
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}
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if err := l.bindListener(); err != nil {
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logrus.Fatalf("#%d error binding listener: %v", l.id, err)
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}
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l.dwell()
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logrus.Infof("completed #%d", l.id)
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if err := l.shutdown(); err != nil {
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logrus.Fatalf("error shutting down #%d: %v", l.id, err)
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}
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}
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func (l *PublicHttpLooper) Abort() {
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l.abort = true
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}
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func (l *PublicHttpLooper) Done() <-chan struct{} {
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return l.done
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}
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func (l *PublicHttpLooper) Results() *LooperResults {
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return l.results
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}
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func (l *PublicHttpLooper) startup() error {
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shr, err := sdk.CreateShare(l.root, &sdk.ShareRequest{
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ShareMode: sdk.PublicShareMode,
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BackendMode: sdk.ProxyBackendMode,
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Target: "canary.PublicHttpLooper",
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Frontends: []string{l.frontend},
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PermissionMode: sdk.ClosedPermissionMode,
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})
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if err != nil {
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return err
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}
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l.shr = shr
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logrus.Infof("#%d allocated share '%v'", l.id, l.shr)
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return nil
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}
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func (l *PublicHttpLooper) bindListener() error {
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zif, err := l.root.ZitiIdentityNamed(l.root.EnvironmentIdentityName())
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if err != nil {
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return errors.Wrapf(err, "#%d error getting identity", l.id)
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}
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zcfg, err := ziti.NewConfigFromFile(zif)
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if err != nil {
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return errors.Wrapf(err, "#%d error loading ziti config", l.id)
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}
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options := ziti.ListenOptions{
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ConnectTimeout: 5 * time.Minute,
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WaitForNEstablishedListeners: 1,
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}
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zctx, err := ziti.NewContext(zcfg)
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if err != nil {
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return errors.Wrapf(err, "#%d error creating ziti context", l.id)
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}
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if l.listener, err = zctx.ListenWithOptions(l.shr.Token, &options); err != nil {
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return errors.Wrapf(err, "#%d error binding listener", l.id)
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}
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go func() {
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if err := http.Serve(l.listener, l); err != nil {
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logrus.Errorf("#%d error starting http listener: %v", l.id, err)
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}
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}()
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return nil
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}
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func (l *PublicHttpLooper) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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buf := new(bytes.Buffer)
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io.Copy(buf, r.Body)
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w.Write(buf.Bytes())
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}
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func (l *PublicHttpLooper) dwell() {
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dwell := l.opt.MinDwell.Milliseconds()
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dwelta := l.opt.MaxDwell.Milliseconds() - l.opt.MinDwell.Milliseconds()
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if dwelta > 0 {
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dwell = int64(rand.Intn(int(dwelta)) + int(l.opt.MinDwell.Milliseconds()))
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}
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time.Sleep(time.Duration(dwell) * time.Millisecond)
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}
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func (l *PublicHttpLooper) iterate() {
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l.results.StartTime = time.Now()
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defer func() { l.results.StopTime = time.Now() }()
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for i := uint(0); i < l.opt.Iterations && !l.abort; i++ {
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if i > 0 && i%l.opt.StatusInterval == 0 {
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logrus.Infof("#%d: iteration %d", l.id, i)
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}
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payloadSize := l.opt.MaxPayload
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if l.opt.MaxPayload-l.opt.MinPayload > 0 {
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payloadSize = rand.Uint64() % (l.opt.MaxPayload - l.opt.MinPayload)
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}
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outPayload := make([]byte, payloadSize)
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cryptorand.Read(outPayload)
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outBase64 := base64.StdEncoding.EncodeToString(outPayload)
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if req, err := http.NewRequest("POST", l.shr.FrontendEndpoints[0], bytes.NewBufferString(outBase64)); err == nil {
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client := &http.Client{Timeout: l.opt.Timeout}
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if resp, err := client.Do(req); err == nil {
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if resp.StatusCode != 200 {
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logrus.Errorf("#%d: unexpected status code: %v", l.id, resp.StatusCode)
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l.results.Errors++
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}
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inPayload := new(bytes.Buffer)
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io.Copy(inPayload, resp.Body)
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inBase64 := inPayload.String()
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if inBase64 != outBase64 {
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logrus.Errorf("#%d: payload mismatch", l.id)
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l.results.Mismatches++
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} else {
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l.results.Bytes += uint64(len(outBase64))
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logrus.Debugf("#%d: payload match")
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}
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} else {
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logrus.Errorf("#%d: error: %v", l.id, err)
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l.results.Errors++
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}
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} else {
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logrus.Errorf("#%d: error creating request: %v", l.id, err)
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l.results.Errors++
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}
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pacingMs := l.opt.MaxPacing.Milliseconds()
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pacingDelta := l.opt.MaxPacing.Milliseconds() - l.opt.MinPacing.Milliseconds()
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if pacingDelta > 0 {
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pacingMs = rand.Int63() % pacingDelta
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time.Sleep(time.Duration(pacingMs) * time.Millisecond)
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}
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l.results.Loops++
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}
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}
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func (l *PublicHttpLooper) shutdown() error {
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if l.listener != nil {
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if err := l.listener.Close(); err != nil {
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logrus.Errorf("#%d error closing listener: %v", l.id, err)
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}
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}
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if err := sdk.DeleteShare(l.root, l.shr); err != nil {
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return errors.Wrapf(err, "#%d error deleting share", l.id)
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}
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return nil
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}
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@ -1,8 +1,14 @@
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package main
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import (
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"github.com/openziti/zrok/canary"
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"github.com/openziti/zrok/environment"
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"github.com/sirupsen/logrus"
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"github.com/spf13/cobra"
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"os"
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"os/signal"
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"syscall"
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"time"
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)
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func init() {
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@ -11,6 +17,17 @@ func init() {
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type testCanaryPeriodicCommand struct {
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cmd *cobra.Command
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loopers uint
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iterations uint
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statusInterval uint
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timeout time.Duration
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minPayload uint64
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maxPayload uint64
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minDwell time.Duration
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maxDwell time.Duration
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minPacing time.Duration
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maxPacing time.Duration
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frontendSelection string
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}
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func newTestCanaryPeriodicCommand() *testCanaryPeriodicCommand {
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@ -21,9 +38,65 @@ func newTestCanaryPeriodicCommand() *testCanaryPeriodicCommand {
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}
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command := &testCanaryPeriodicCommand{cmd: cmd}
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cmd.Run = command.run
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cmd.Flags().UintVarP(&command.loopers, "loopers", "l", 1, "Number of concurrent loopers to start")
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cmd.Flags().UintVarP(&command.iterations, "iterations", "i", 1, "Number of iterations")
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cmd.Flags().UintVarP(&command.statusInterval, "status-interval", "S", 100, "Show status every # iterations")
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cmd.Flags().DurationVarP(&command.timeout, "timeout", "T", 30*time.Second, "Timeout when sending HTTP requests")
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cmd.Flags().Uint64Var(&command.minPayload, "min-payload", 64, "Minimum payload size in bytes")
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cmd.Flags().Uint64Var(&command.maxPayload, "max-payload", 10240, "Maximum payload size in bytes")
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cmd.Flags().DurationVar(&command.minDwell, "min-dwell", 1*time.Second, "Minimum dwell time")
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cmd.Flags().DurationVar(&command.maxDwell, "max-dwell", 1*time.Second, "Maximum dwell time")
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cmd.Flags().DurationVar(&command.minPacing, "min-pacing", 0, "Minimum pacing time")
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cmd.Flags().DurationVar(&command.maxPacing, "max-pacing", 0, "Maximum pacing time")
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cmd.Flags().StringVar(&command.frontendSelection, "frontend-selection", "public", "Select frontend selection")
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return command
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}
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func (c *testCanaryPeriodicCommand) run(_ *cobra.Command, _ []string) {
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logrus.Info("periodic")
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func (cmd *testCanaryPeriodicCommand) run(_ *cobra.Command, _ []string) {
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root, err := environment.LoadRoot()
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if err != nil {
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panic(err)
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}
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if !root.IsEnabled() {
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logrus.Fatal("unable to load environment; did you 'zrok enable'?")
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}
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var loopers []*canary.PublicHttpLooper
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for i := uint(0); i < cmd.loopers; i++ {
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looperOpts := &canary.LooperOptions{
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Iterations: cmd.iterations,
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StatusInterval: cmd.statusInterval,
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Timeout: cmd.timeout,
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MinPayload: cmd.minPayload,
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MaxPayload: cmd.maxPayload,
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MinDwell: cmd.minDwell,
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MaxDwell: cmd.maxDwell,
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MinPacing: cmd.minPacing,
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MaxPacing: cmd.maxPacing,
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}
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looper := canary.NewPublicHttpLooper(i, cmd.frontendSelection, looperOpts, root)
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loopers = append(loopers, looper)
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go looper.Run()
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}
|
||||
|
||||
c := make(chan os.Signal)
|
||||
signal.Notify(c, os.Interrupt, syscall.SIGTERM)
|
||||
go func() {
|
||||
<-c
|
||||
for _, looper := range loopers {
|
||||
looper.Abort()
|
||||
}
|
||||
}()
|
||||
for _, l := range loopers {
|
||||
<-l.Done()
|
||||
}
|
||||
|
||||
results := make([]*canary.LooperResults, 0)
|
||||
for i := uint(0); i < cmd.loopers; i++ {
|
||||
results = append(results, loopers[i].Results())
|
||||
}
|
||||
canary.ReportLooperResults(results)
|
||||
|
||||
os.Exit(0)
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user