istio.io/istio@v0.0.0-20240520182934-d79c90f27776/pkg/test/framework/components/echo/kube/builder.go (about)

     1  // Copyright Istio Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package kube
    16  
    17  import (
    18  	"github.com/hashicorp/go-multierror"
    19  
    20  	"istio.io/istio/pkg/test/framework/components/cluster"
    21  	"istio.io/istio/pkg/test/framework/components/echo"
    22  	"istio.io/istio/pkg/test/framework/resource"
    23  )
    24  
    25  func init() {
    26  	echo.RegisterFactory(cluster.Kubernetes, build)
    27  }
    28  
    29  func build(ctx resource.Context, configs []echo.Config) (echo.Instances, error) {
    30  	instances := make([]echo.Instance, len(configs))
    31  
    32  	g := multierror.Group{}
    33  	for i, cfg := range configs {
    34  		i, cfg := i, cfg
    35  		g.Go(func() (err error) {
    36  			instances[i], err = newInstance(ctx, cfg)
    37  			return
    38  		})
    39  	}
    40  
    41  	err := g.Wait().ErrorOrNil()
    42  	return instances, err
    43  }