kubernetes prunexml 源码
kubernetes prunexml 代码
文件路径：/cmd/prune-junit-xml/prunexml.go
/*
Copyright 2022 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package main
import (
"encoding/xml"
"flag"
"fmt"
"io"
"os"
"k8s.io/kubernetes/third_party/forked/gotestsum/junitxml"
)
func main() {
maxTextSize := flag.Int("max-text-size", 1, "maximum size of attribute or text (in MB)")
flag.Parse()
if flag.NArg() > 0 {
for _, path := range flag.Args() {
fmt.Printf("processing junit xml file : %s\n", path)
xmlReader, err := os.Open(path)
if err != nil {
panic(err)
}
defer xmlReader.Close()
suites, err := fetchXML(xmlReader) // convert MB into bytes (roughly!)
if err != nil {
panic(err)
}
pruneXML(suites, *maxTextSize*1e6) // convert MB into bytes (roughly!)
xmlWriter, err := os.OpenFile(path, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0666)
if err != nil {
panic(err)
}
defer xmlWriter.Close()
err = streamXML(xmlWriter, suites)
if err != nil {
panic(err)
}
fmt.Println("done.")
}
}
}
func pruneXML(suites *junitxml.JUnitTestSuites, maxBytes int) {
for _, suite := range suites.Suites {
for _, testcase := range suite.TestCases {
if testcase.SkipMessage != nil {
if len(testcase.SkipMessage.Message) > maxBytes {
fmt.Printf("clipping skip message in test case : %s\n", testcase.Name)
testcase.SkipMessage.Message = "[... clipped...]" +
testcase.SkipMessage.Message[len(testcase.SkipMessage.Message)-maxBytes:]
}
}
if testcase.Failure != nil {
if len(testcase.Failure.Contents) > maxBytes {
fmt.Printf("clipping failure message in test case : %s\n", testcase.Name)
testcase.Failure.Contents = "[... clipped...]" +
testcase.Failure.Contents[len(testcase.Failure.Contents)-maxBytes:]
}
}
}
}
}
func fetchXML(xmlReader io.Reader) (*junitxml.JUnitTestSuites, error) {
decoder := xml.NewDecoder(xmlReader)
var suites junitxml.JUnitTestSuites
err := decoder.Decode(&suites)
if err != nil {
return nil, err
}
return &suites, nil
}
func streamXML(writer io.Writer, in *junitxml.JUnitTestSuites) error {
_, err := writer.Write([]byte("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"))
if err != nil {
return err
}
encoder := xml.NewEncoder(writer)
encoder.Indent("", "\t")
err = encoder.Encode(in)
if err != nil {
return err
}
return encoder.Flush()
}
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