optional ContainerResourceMetricSource containerResource = 7;

  // external refers to a global metric that is not associated
  // with any Kubernetes object. It allows autoscaling based on information
  // coming from components running outside of cluster
  // (for example length of queue in cloud messaging service, or
  // QPS from loadbalancer running outside of cluster).
  // +optional
  optional ExternalMetricSource external = 5;
}

}

// AllValidationAnalyzers returns a slice with a validation analyzer for each Istio schema
// This automation comes with an assumption: that the collection names used by the schema match the metadata used by Galley components
func AllValidationAnalyzers() []analysis.Analyzer {
	result := make([]analysis.Analyzer, 0)
	collections.Istio.ForEach(func(s sresource.Schema) (done bool) {
		result = append(result, &ValidationAnalyzer{s: s})
		return

// See the License for the specific language governing permissions and
// limitations under the License.

// Package ctrlz implements Istio's introspection facility. When components
// integrate with ControlZ, they automatically gain an IP port which allows operators
// to visualize and control a number of aspects of each process, including controlling

// limitations under the License.

package echo

import (
	"errors"
	"sort"

	"github.com/hashicorp/go-multierror"

	"istio.io/istio/pkg/test"
	"istio.io/istio/pkg/test/framework/components/cluster"
)

var _ Target = Instances{}

// Instances contains the instances created by the builder with methods for filtering
type Instances []Instance

func (i Instances) ServiceName() string {

	"istio.io/api/annotation"
	"istio.io/istio/pkg/config/constants"
	"istio.io/istio/pkg/config/protocol"
	"istio.io/istio/pkg/test/echo/common"
	"istio.io/istio/pkg/test/framework/components/cluster"
	"istio.io/istio/pkg/test/framework/components/namespace"
	"istio.io/istio/pkg/test/framework/resource"
)

// Cluster that can deploy echo instances.
// TODO putting this here for now to deal with circular imports, needs to be moved

// limitations under the License.

package framework

import (
	"fmt"
	"os"
	"sync"
	"testing"

	. "github.com/onsi/gomega"

	"istio.io/istio/pkg/test/framework/components/environment/kube"
	"istio.io/istio/pkg/test/framework/label"
	"istio.io/istio/pkg/test/framework/resource"
	"istio.io/istio/pkg/test/util/assert"
)

func defaultExitFn(_ int) {}

	. "github.com/onsi/gomega"

	"istio.io/istio/pkg/test"
	"istio.io/istio/pkg/test/framework"
	"istio.io/istio/pkg/test/framework/components/echo"
	commonDeployment "istio.io/istio/pkg/test/framework/components/echo/common/deployment"
	"istio.io/istio/pkg/test/framework/components/istioctl"
	"istio.io/istio/pkg/test/util/retry"
	"istio.io/istio/pkg/util/protomarshal"
)

var (

	corev1 "k8s.io/api/core/v1"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"sigs.k8s.io/yaml"

	"istio.io/api/annotation"
	"istio.io/istio/pkg/kube"
	"istio.io/istio/pkg/test/framework/components/cluster"
	"istio.io/istio/pkg/test/framework/components/istioctl"
	"istio.io/istio/pkg/test/framework/resource"
	"istio.io/istio/pkg/test/prow"
	"istio.io/istio/pkg/test/scopes"
	"istio.io/istio/pkg/test/util/retry"
)

			}
			c.initialSyncTimeout.Store(true)
		})
	}

	// Build a namespace watcher. This must have no filter, since this is our input to the filter itself.
	// This must be done before we build components, so they can access the filter.
	namespaces := kclient.New[*corev1.Namespace](c.Client)
	// This will start a namespace informer and wait for it to be ready. So we must start it in a go routine to avoid blocking.

  optional ContainerResourceMetricSource containerResource = 7;

  // external refers to a global metric that is not associated
  // with any Kubernetes object. It allows autoscaling based on information
  // coming from components running outside of cluster
  // (for example length of queue in cloud messaging service, or
  // QPS from loadbalancer running outside of cluster).
  // +optional
  optional ExternalMetricSource external = 5;
}