k8s.io/perf-tests/clusterloader2@v0.0.0-20240304094227-64bdb12da87e/pkg/metadata/metadata.go (about)

     1  /*
     2  Copyright 2021 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package metadata
    18  
    19  import (
    20  	"encoding/json"
    21  	"io/ioutil"
    22  
    23  	"k8s.io/perf-tests/clusterloader2/pkg/framework"
    24  )
    25  
    26  // Dump writes file with data useful for debugging.
    27  // kubetest --metadata-sources should point to that file so that
    28  // it's merged into `finished.json` and available in prow and
    29  // bigquery tables.
    30  func Dump(f *framework.Framework, outputFile string) error {
    31  	output := make(map[string]string)
    32  
    33  	// Write any clusterloader-specific metadata here.
    34  
    35  	providerMetadata, err := f.GetClusterConfig().Provider.Metadata(f.GetClientSets().GetClient())
    36  	if err != nil {
    37  		return err
    38  	}
    39  
    40  	for k, v := range providerMetadata {
    41  		output[k] = v
    42  	}
    43  
    44  	return write(output, outputFile)
    45  }
    46  
    47  func write(obj map[string]string, outputFile string) error {
    48  	out, err := json.Marshal(obj)
    49  	if err != nil {
    50  		return err
    51  	}
    52  	return ioutil.WriteFile(outputFile, out, 0644)
    53  }