forked from temporalio/omes
/
run_scenario.go
124 lines (116 loc) · 3.59 KB
/
run_scenario.go
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package main
import (
"context"
"fmt"
"strings"
"time"
"github.com/spf13/cobra"
"github.com/spf13/pflag"
"github.com/temporalio/omes/cmd/cmdoptions"
"github.com/temporalio/omes/loadgen"
"go.temporal.io/sdk/client"
"go.uber.org/zap"
)
func runScenarioCmd() *cobra.Command {
var r scenarioRunner
cmd := &cobra.Command{
Use: "run-scenario",
Short: "Run scenario",
Run: func(cmd *cobra.Command, args []string) {
ctx, cancel := withCancelOnInterrupt(cmd.Context())
defer cancel()
if err := r.run(ctx); err != nil {
r.logger.Fatal(err)
}
},
}
r.addCLIFlags(cmd.Flags())
cmd.MarkFlagRequired("scenario")
cmd.MarkFlagRequired("run-id")
return cmd
}
type scenarioRunner struct {
logger *zap.SugaredLogger
scenario string
runID string
iterations int
duration time.Duration
maxConcurrent int
scenarioOptions []string
connectTimeout time.Duration
clientOptions cmdoptions.ClientOptions
metricsOptions cmdoptions.MetricsOptions
loggingOptions cmdoptions.LoggingOptions
}
func (r *scenarioRunner) addCLIFlags(fs *pflag.FlagSet) {
fs.StringVar(&r.scenario, "scenario", "", "Scenario name to run")
fs.StringVar(&r.runID, "run-id", "", "Run ID for this run")
fs.IntVar(&r.iterations, "iterations", 0, "Override default iterations for the scenario (cannot be provided with duration)")
fs.DurationVar(&r.duration, "duration", 0, "Override duration for the scenario (cannot be provided with iteration)")
fs.IntVar(&r.maxConcurrent, "max-concurrent", 0, "Override max-concurrent for the scenario")
fs.StringSliceVar(&r.scenarioOptions, "option", nil, "Additional options for the scenario, in key=value format")
fs.DurationVar(&r.connectTimeout, "connect-timeout", 0, "Duration to try to connect to server before failing")
r.clientOptions.AddCLIFlags(fs)
r.metricsOptions.AddCLIFlags(fs, "")
r.loggingOptions.AddCLIFlags(fs)
}
func (r *scenarioRunner) run(ctx context.Context) error {
if r.logger == nil {
r.logger = r.loggingOptions.MustCreateLogger()
}
scenario := loadgen.GetScenario(r.scenario)
if scenario == nil {
return fmt.Errorf("scenario not found")
} else if r.runID == "" {
return fmt.Errorf("run ID not found")
} else if r.iterations > 0 && r.duration > 0 {
return fmt.Errorf("cannot provide both iterations and duration")
}
// Parse options
scenarioOptions := make(map[string]string, len(r.scenarioOptions))
for _, v := range r.scenarioOptions {
pieces := strings.SplitN(v, "=", 2)
if len(pieces) != 2 {
return fmt.Errorf("option does not have '='")
}
scenarioOptions[pieces[0]] = pieces[1]
}
metrics := r.metricsOptions.MustCreateMetrics(r.logger)
defer metrics.Shutdown(ctx)
start := time.Now()
var client client.Client
var err error
for {
client, err = r.clientOptions.Dial(metrics, r.logger)
if err == nil {
break
}
// Only fail if past wait period
if time.Since(start) > r.connectTimeout {
return fmt.Errorf("failed dialing: %w", err)
}
// Wait 300ms and try again
time.Sleep(300 * time.Millisecond)
}
defer client.Close()
scenarioInfo := loadgen.ScenarioInfo{
ScenarioName: r.scenario,
RunID: r.runID,
Logger: r.logger,
MetricsHandler: metrics.NewHandler(),
Client: client,
Configuration: loadgen.RunConfiguration{
Iterations: r.iterations,
Duration: r.duration,
MaxConcurrent: r.maxConcurrent,
},
ScenarioOptions: scenarioOptions,
Namespace: r.clientOptions.Namespace,
RootPath: rootDir(),
}
err = scenario.Executor.Run(ctx, scenarioInfo)
if err != nil {
return fmt.Errorf("failed scenario: %w", err)
}
return nil
}