test(api): add force interrupting flag to perfomance test tool

tests/performance/shatal/README.md

@@ -36,6 +36,10 @@ count: 100
 # The flag to show debug level logs. 
 # Corresponds to the DEBUG environment variable.
 debug: true
+# Flag to enable forced interrupt mode
+# If `true` - shatal stops immediately, all affected resources remain in the state at the moment of shatal interruption.
+# If `false` - after shatal interruption all affected resources return to their initial state.
+forceInterruption: false
 drainer:
   # The flag to enable node draining.
   # Corresponds to the DRAINER_ENABLED environment variable.

tests/performance/shatal/config.yaml

@@ -4,6 +4,7 @@ namespace: "default"
 interval: "5s"
 count: 100
 debug: true
+forceInterruption: false
 drainer:
   enabled: true
   interval: "10s"

tests/performance/shatal/internal/config/config.go

@@ -23,17 +23,18 @@ import (
 )
 
 type Config struct {
-	Kubeconfig      string          `yaml:"kubeconfigBase64" env:"KUBECONFIG_BASE64" env-required:""`
-	ResourcesPrefix string          `yaml:"resourcesPrefix" env:"RESOURCES_PREFIX" env-default:"performance"`
-	Namespace       string          `yaml:"namespace" env:"NAMESPACE" env-default:"default"`
-	Interval        time.Duration   `yaml:"interval" env:"INTERVAL" env-default:"5s"`
-	Count           int             `yaml:"count" env:"COUNT"`
-	Debug           bool            `yaml:"debug" env:"DEBUG" env-default:"false"`
-	Drainer         DrainerFeature  `yaml:"drainer"`
-	Creator         CreatorFeature  `yaml:"creator"`
-	Deleter         DeleterFeature  `yaml:"deleter"`
-	Modifier        ModifierFeature `yaml:"modifier"`
-	Nothing         NothingFeature  `yaml:"nothing"`
+	Kubeconfig        string          `yaml:"kubeconfigBase64" env:"KUBECONFIG_BASE64" env-required:""`
+	ResourcesPrefix   string          `yaml:"resourcesPrefix" env:"RESOURCES_PREFIX" env-default:"performance"`
+	Namespace         string          `yaml:"namespace" env:"NAMESPACE" env-default:"default"`
+	Interval          time.Duration   `yaml:"interval" env:"INTERVAL" env-default:"5s"`
+	Count             int             `yaml:"count" env:"COUNT"`
+	Debug             bool            `yaml:"debug" env:"DEBUG" env-default:"false"`
+	Drainer           DrainerFeature  `yaml:"drainer"`
+	Creator           CreatorFeature  `yaml:"creator"`
+	Deleter           DeleterFeature  `yaml:"deleter"`
+	Modifier          ModifierFeature `yaml:"modifier"`
+	Nothing           NothingFeature  `yaml:"nothing"`
+	ForceInterruption bool            `yaml:"forceInterruption"`
 }
 
 type DrainerFeature struct {

tests/performance/shatal/internal/shatal/shatal.go

@@ -19,7 +19,9 @@ package shatal
 import (
 	"context"
 	"errors"
+	"fmt"
 	"log/slog"
+	"os"
 	"sync"
 
 	"github.com/deckhouse/virtualization/shatal/internal/api"
@@ -38,13 +40,16 @@ type Shatal struct {
 	logger *slog.Logger
 	exit   chan struct{}
 	wg     sync.WaitGroup
+
+	forceInterruption bool
 }
 
 func New(api *api.Client, conf config.Config, log *slog.Logger) (*Shatal, error) {
 	shatal := Shatal{
-		api:    api,
-		logger: log,
-		exit:   make(chan struct{}),
+		api:               api,
+		logger:            log,
+		exit:              make(chan struct{}),
+		forceInterruption: conf.ForceInterruption,
 	}
 
 	nodes, err := api.GetNodes(context.Background(), conf.Drainer.LabelSelector)
@@ -131,7 +136,12 @@ func (s *Shatal) Run() {
 		select {
 		case <-s.exit:
 			s.logger.Info("Stop runners")
-			cancel()
+			if s.forceInterruption {
+				fmt.Println("Performing force interruption")
+				os.Exit(1)
+			} else {
+				cancel()
+			}
 		case <-ctx.Done():
 		}
 	}()