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feat(scaletest): add runner for thundering herd autostart#19998
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75 changes: 75 additions & 0 deletionsscaletest/autostart/config.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| package autostart | ||
| import ( | ||
| "sync" | ||
| "time" | ||
| "golang.org/x/xerrors" | ||
| "github.com/coder/coder/v2/codersdk" | ||
| "github.com/coder/coder/v2/scaletest/createusers" | ||
| "github.com/coder/coder/v2/scaletest/workspacebuild" | ||
| ) | ||
| typeConfigstruct { | ||
| // User is the configuration for the user to create. | ||
| User createusers.Config`json:"user"` | ||
| // Workspace is the configuration for the workspace to create. The workspace | ||
| // will be built using the new user. | ||
| // | ||
| // OrganizationID is ignored and set to the new user's organization ID. | ||
| Workspace workspacebuild.Config`json:"workspace"` | ||
| // WorkspaceJobTimeout is how long to wait for any one workspace job | ||
| // (start or stop) to complete. | ||
| WorkspaceJobTimeout time.Duration`json:"workspace_job_timeout"` | ||
| // AutostartDelay is how long after all the workspaces have been stopped | ||
| // to schedule them to be started again. | ||
| AutostartDelay time.Duration`json:"autostart_delay"` | ||
| // AutostartTimeout is how long to wait for the autostart build to be | ||
| // initiated after the scheduled time. | ||
| AutostartTimeout time.Duration`json:"autostart_timeout"` | ||
| Metrics*Metrics`json:"-"` | ||
| // SetupBarrier is used to ensure all runners own stopped workspaces | ||
| // before setting the autostart schedule on each. | ||
| SetupBarrier*sync.WaitGroup`json:"-"` | ||
| } | ||
| func (cConfig)Validate()error { | ||
| iferr:=c.User.Validate();err!=nil { | ||
| returnxerrors.Errorf("user config: %w",err) | ||
| } | ||
| c.Workspace.OrganizationID=c.User.OrganizationID | ||
| // This value will be overwritten during the test. | ||
| c.Workspace.UserID=codersdk.Me | ||
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| iferr:=c.Workspace.Validate();err!=nil { | ||
| returnxerrors.Errorf("workspace config: %w",err) | ||
| } | ||
| ifc.SetupBarrier==nil { | ||
| returnxerrors.New("setup barrier must be set") | ||
| } | ||
| ifc.WorkspaceJobTimeout<=0 { | ||
| returnxerrors.New("workspace_job_timeout must be greater than 0") | ||
| } | ||
| ifc.AutostartDelay<time.Minute*2 { | ||
| returnxerrors.New("autostart_delay must be at least 2 minutes") | ||
| } | ||
| ifc.AutostartTimeout<=0 { | ||
| returnxerrors.New("autostart_timeout must be greater than 0") | ||
| } | ||
| ifc.Metrics==nil { | ||
| returnxerrors.New("metrics must be set") | ||
| } | ||
| returnnil | ||
| } | ||
65 changes: 65 additions & 0 deletionsscaletest/autostart/metrics.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| package autostart | ||
| import ( | ||
| "time" | ||
| "github.com/prometheus/client_golang/prometheus" | ||
| ) | ||
| type Metrics struct { | ||
| AutostartJobCreationLatencySeconds prometheus.HistogramVec | ||
| AutostartJobAcquiredLatencySeconds prometheus.HistogramVec | ||
| AutostartTotalLatencySeconds prometheus.HistogramVec | ||
| AutostartErrorsTotal prometheus.CounterVec | ||
| } | ||
| func NewMetrics(reg prometheus.Registerer) *Metrics { | ||
| m := &Metrics{ | ||
| AutostartJobCreationLatencySeconds: *prometheus.NewHistogramVec(prometheus.HistogramOpts{ | ||
| Namespace: "coderd", | ||
| Subsystem: "scaletest", | ||
| Name: "autostart_job_creation_latency_seconds", | ||
| Help: "Time from when the workspace is scheduled to be autostarted to when the autostart job has been created.", | ||
| }, []string{"username", "workspace_name"}), | ||
| AutostartJobAcquiredLatencySeconds: *prometheus.NewHistogramVec(prometheus.HistogramOpts{ | ||
| Namespace: "coderd", | ||
| Subsystem: "scaletest", | ||
| Name: "autostart_job_acquired_latency_seconds", | ||
| Help: "Time from when the workspace is scheduled to be autostarted to when the job has been acquired by a provisioner daemon.", | ||
| }, []string{"username", "workspace_name"}), | ||
| AutostartTotalLatencySeconds: *prometheus.NewHistogramVec(prometheus.HistogramOpts{ | ||
| Namespace: "coderd", | ||
| Subsystem: "scaletest", | ||
| Name: "autostart_total_latency_seconds", | ||
| Help: "Time from when the workspace is scheduled to be autostarted to when the autostart build has finished.", | ||
| }, []string{"username", "workspace_name"}), | ||
| AutostartErrorsTotal: *prometheus.NewCounterVec(prometheus.CounterOpts{ | ||
| Namespace: "coderd", | ||
| Subsystem: "scaletest", | ||
| Name: "autostart_errors_total", | ||
| Help: "Total number of autostart errors", | ||
| }, []string{"username", "action"}), | ||
| } | ||
| reg.MustRegister(m.AutostartTotalLatencySeconds) | ||
| reg.MustRegister(m.AutostartJobCreationLatencySeconds) | ||
| reg.MustRegister(m.AutostartJobAcquiredLatencySeconds) | ||
| reg.MustRegister(m.AutostartErrorsTotal) | ||
| return m | ||
| } | ||
| func (m *Metrics) RecordCompletion(elapsed time.Duration, username string, workspace string) { | ||
| m.AutostartTotalLatencySeconds.WithLabelValues(username, workspace).Observe(elapsed.Seconds()) | ||
| } | ||
| func (m *Metrics) RecordJobCreation(elapsed time.Duration, username string, workspace string) { | ||
| m.AutostartJobCreationLatencySeconds.WithLabelValues(username, workspace).Observe(elapsed.Seconds()) | ||
| } | ||
| func (m *Metrics) RecordJobAcquired(elapsed time.Duration, username string, workspace string) { | ||
| m.AutostartJobAcquiredLatencySeconds.WithLabelValues(username, workspace).Observe(elapsed.Seconds()) | ||
| } | ||
| func (m *Metrics) AddError(username string, action string) { | ||
| m.AutostartErrorsTotal.WithLabelValues(username, action).Inc() | ||
| } |
245 changes: 245 additions & 0 deletionsscaletest/autostart/run.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,245 @@ | ||
| package autostart | ||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "io" | ||
| "time" | ||
| "golang.org/x/xerrors" | ||
| "cdr.dev/slog" | ||
| "cdr.dev/slog/sloggers/sloghuman" | ||
| "github.com/coder/coder/v2/coderd/tracing" | ||
| "github.com/coder/coder/v2/codersdk" | ||
| "github.com/coder/coder/v2/scaletest/createusers" | ||
| "github.com/coder/coder/v2/scaletest/harness" | ||
| "github.com/coder/coder/v2/scaletest/loadtestutil" | ||
| "github.com/coder/coder/v2/scaletest/workspacebuild" | ||
| ) | ||
| type Runner struct { | ||
| client *codersdk.Client | ||
| cfg Config | ||
| createUserRunner *createusers.Runner | ||
| workspacebuildRunner *workspacebuild.Runner | ||
| autostartTotalLatency time.Duration | ||
| autostartJobCreationLatency time.Duration | ||
| autostartJobAcquiredLatency time.Duration | ||
| } | ||
| func NewRunner(client *codersdk.Client, cfg Config) *Runner { | ||
| return &Runner{ | ||
| client: client, | ||
| cfg: cfg, | ||
| } | ||
| } | ||
| var ( | ||
| _ harness.Runnable = &Runner{} | ||
| _ harness.Cleanable = &Runner{} | ||
| _ harness.Collectable = &Runner{} | ||
| ) | ||
| func (r *Runner) Run(ctx context.Context, id string, logs io.Writer) error { | ||
| ctx, span := tracing.StartSpan(ctx) | ||
| defer span.End() | ||
| reachedBarrier := false | ||
| defer func() { | ||
| if !reachedBarrier { | ||
| r.cfg.SetupBarrier.Done() | ||
| } | ||
| }() | ||
| logs = loadtestutil.NewSyncWriter(logs) | ||
| logger := slog.Make(sloghuman.Sink(logs)).Leveled(slog.LevelDebug) | ||
| r.client.SetLogger(logger) | ||
| r.client.SetLogBodies(true) | ||
| r.createUserRunner = createusers.NewRunner(r.client, r.cfg.User) | ||
| newUserAndToken, err := r.createUserRunner.RunReturningUser(ctx, id, logs) | ||
| if err != nil { | ||
| r.cfg.Metrics.AddError("", "create_user") | ||
| return xerrors.Errorf("create user: %w", err) | ||
| } | ||
| newUser := newUserAndToken.User | ||
| newUserClient := codersdk.New(r.client.URL, | ||
| codersdk.WithSessionToken(newUserAndToken.SessionToken), | ||
| codersdk.WithLogger(logger), | ||
| codersdk.WithLogBodies()) | ||
| //nolint:gocritic // short log is fine | ||
| logger.Info(ctx, "user created", slog.F("username", newUser.Username), slog.F("user_id", newUser.ID.String())) | ||
| workspaceBuildConfig := r.cfg.Workspace | ||
| workspaceBuildConfig.OrganizationID = r.cfg.User.OrganizationID | ||
| workspaceBuildConfig.UserID = newUser.ID.String() | ||
| // We'll wait for the build ourselves to avoid multiple API requests | ||
| workspaceBuildConfig.NoWaitForBuild = true | ||
| r.workspacebuildRunner = workspacebuild.NewRunner(newUserClient, workspaceBuildConfig) | ||
| workspace, err := r.workspacebuildRunner.RunReturningWorkspace(ctx, id, logs) | ||
| if err != nil { | ||
| r.cfg.Metrics.AddError(newUser.Username, "create_workspace") | ||
| return xerrors.Errorf("create workspace: %w", err) | ||
| } | ||
| watchCtx, cancel := context.WithCancel(ctx) | ||
| defer cancel() | ||
| workspaceUpdates, err := newUserClient.WatchWorkspace(watchCtx, workspace.ID) | ||
| if err != nil { | ||
| r.cfg.Metrics.AddError(newUser.Username, "watch_workspace") | ||
| return xerrors.Errorf("watch workspace: %w", err) | ||
| } | ||
| createWorkspaceCtx, cancel2 := context.WithTimeout(ctx, r.cfg.WorkspaceJobTimeout) | ||
| defer cancel2() | ||
| err = waitForWorkspaceUpdate(createWorkspaceCtx, logger, workspaceUpdates, func(ws codersdk.Workspace) bool { | ||
| return ws.LatestBuild.Transition == codersdk.WorkspaceTransitionStart && | ||
| ws.LatestBuild.Job.Status == codersdk.ProvisionerJobSucceeded | ||
| }) | ||
| if err != nil { | ||
| r.cfg.Metrics.AddError(newUser.Username, "wait_for_initial_build") | ||
| return xerrors.Errorf("timeout waiting for initial workspace build to complete: %w", err) | ||
| } | ||
| logger.Info(ctx, "stopping workspace", slog.F("workspace_name", workspace.Name)) | ||
| _, err = newUserClient.CreateWorkspaceBuild(ctx, workspace.ID, codersdk.CreateWorkspaceBuildRequest{ | ||
| Transition: codersdk.WorkspaceTransitionStop, | ||
| }) | ||
| if err != nil { | ||
| r.cfg.Metrics.AddError(newUser.Username, "create_stop_build") | ||
| return xerrors.Errorf("create stop build: %w", err) | ||
| } | ||
| stopBuildCtx, cancel3 := context.WithTimeout(ctx, r.cfg.WorkspaceJobTimeout) | ||
| defer cancel3() | ||
| err = waitForWorkspaceUpdate(stopBuildCtx, logger, workspaceUpdates, func(ws codersdk.Workspace) bool { | ||
| return ws.LatestBuild.Transition == codersdk.WorkspaceTransitionStop && | ||
| ws.LatestBuild.Job.Status == codersdk.ProvisionerJobSucceeded | ||
| }) | ||
| if err != nil { | ||
| r.cfg.Metrics.AddError(newUser.Username, "wait_for_stop_build") | ||
| return xerrors.Errorf("timeout waiting for stop build to complete: %w", err) | ||
| } | ||
| logger.Info(ctx, "workspace stopped successfully", slog.F("workspace_name", workspace.Name)) | ||
| logger.Info(ctx, "waiting for all runners to reach barrier") | ||
| reachedBarrier = true | ||
| r.cfg.SetupBarrier.Done() | ||
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| r.cfg.SetupBarrier.Wait() | ||
| logger.Info(ctx, "all runners reached barrier, proceeding with autostart schedule") | ||
| testStartTime := time.Now().UTC() | ||
| autostartTime := testStartTime.Add(r.cfg.AutostartDelay).Round(time.Minute) | ||
| schedule := fmt.Sprintf("CRON_TZ=UTC %d %d * * *", autostartTime.Minute(), autostartTime.Hour()) | ||
| logger.Info(ctx, "setting autostart schedule for workspace", slog.F("workspace_name", workspace.Name), slog.F("schedule", schedule)) | ||
| err = newUserClient.UpdateWorkspaceAutostart(ctx, workspace.ID, codersdk.UpdateWorkspaceAutostartRequest{ | ||
| Schedule: &schedule, | ||
| }) | ||
| if err != nil { | ||
| r.cfg.Metrics.AddError(newUser.Username, "update_workspace_autostart") | ||
| return xerrors.Errorf("update workspace autostart: %w", err) | ||
| } | ||
| logger.Info(ctx, "waiting for workspace to autostart", slog.F("workspace_name", workspace.Name)) | ||
| autostartInitiateCtx, cancel4 := context.WithDeadline(ctx, autostartTime.Add(r.cfg.AutostartDelay)) | ||
| defer cancel4() | ||
| logger.Info(ctx, "listening for workspace updates to detect autostart build") | ||
| err = waitForWorkspaceUpdate(autostartInitiateCtx, logger, workspaceUpdates, func(ws codersdk.Workspace) bool { | ||
| if ws.LatestBuild.Transition != codersdk.WorkspaceTransitionStart { | ||
| return false | ||
| } | ||
| // The job has been created, but it might be pending | ||
| if r.autostartJobCreationLatency == 0 { | ||
| r.autostartJobCreationLatency = time.Since(autostartTime) | ||
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| r.cfg.Metrics.RecordJobCreation(r.autostartJobCreationLatency, newUser.Username, workspace.Name) | ||
| } | ||
| if ws.LatestBuild.Job.Status == codersdk.ProvisionerJobRunning || | ||
| ws.LatestBuild.Job.Status == codersdk.ProvisionerJobSucceeded { | ||
| // Job is no longer pending, but it might not have finished | ||
| if r.autostartJobAcquiredLatency == 0 { | ||
| r.autostartJobAcquiredLatency = time.Since(autostartTime) | ||
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| r.cfg.Metrics.RecordJobAcquired(r.autostartJobAcquiredLatency, newUser.Username, workspace.Name) | ||
| } | ||
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| return ws.LatestBuild.Job.Status == codersdk.ProvisionerJobSucceeded | ||
| } | ||
| return false | ||
| }) | ||
| if err != nil { | ||
| r.cfg.Metrics.AddError(newUser.Username, "wait_for_autostart_build") | ||
| return xerrors.Errorf("timeout waiting for autostart build to be created: %w", err) | ||
| } | ||
| r.autostartTotalLatency = time.Since(autostartTime) | ||
| logger.Info(ctx, "autostart workspace build complete", slog.F("duration", r.autostartTotalLatency)) | ||
| r.cfg.Metrics.RecordCompletion(r.autostartTotalLatency, newUser.Username, workspace.Name) | ||
| return nil | ||
| } | ||
| func waitForWorkspaceUpdate(ctx context.Context, logger slog.Logger, updates <-chan codersdk.Workspace, shouldBreak func(codersdk.Workspace) bool) error { | ||
| for { | ||
| select { | ||
| case <-ctx.Done(): | ||
| return ctx.Err() | ||
| case updatedWorkspace, ok := <-updates: | ||
| if !ok { | ||
| return xerrors.New("workspace updates channel closed") | ||
| } | ||
| logger.Debug(ctx, "received workspace update", slog.F("update", updatedWorkspace)) | ||
| if shouldBreak(updatedWorkspace) { | ||
| return nil | ||
| } | ||
| } | ||
| } | ||
| } | ||
| func (r *Runner) Cleanup(ctx context.Context, id string, logs io.Writer) error { | ||
| if r.workspacebuildRunner != nil { | ||
| _, _ = fmt.Fprintln(logs, "Cleaning up workspace...") | ||
| if err := r.workspacebuildRunner.Cleanup(ctx, id, logs); err != nil { | ||
| return xerrors.Errorf("cleanup workspace: %w", err) | ||
| } | ||
| } | ||
| if r.createUserRunner != nil { | ||
| _, _ = fmt.Fprintln(logs, "Cleaning up user...") | ||
| if err := r.createUserRunner.Cleanup(ctx, id, logs); err != nil { | ||
| return xerrors.Errorf("cleanup user: %w", err) | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
| const ( | ||
| AutostartTotalLatencyMetric = "autostart_total_latency_seconds" | ||
| AutostartJobCreationLatencyMetric = "autostart_job_creation_latency_seconds" | ||
| AutostartJobAcquiredLatencyMetric = "autostart_job_acquired_latency_seconds" | ||
| ) | ||
| func (r *Runner) GetMetrics() map[string]any { | ||
| return map[string]any{ | ||
| AutostartTotalLatencyMetric: r.autostartTotalLatency.Seconds(), | ||
| AutostartJobCreationLatencyMetric: r.autostartJobCreationLatency.Seconds(), | ||
| AutostartJobAcquiredLatencyMetric: r.autostartJobAcquiredLatency.Seconds(), | ||
| } | ||
| } | ||
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