89 lines
2.4 KiB
Go
89 lines
2.4 KiB
Go
/*
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Copyright 2021 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package generate
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import (
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"bytes"
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"fmt"
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"go/ast"
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"go/parser"
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"go/token"
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"io/ioutil"
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"strings"
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"time"
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"github.com/pkg/errors"
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"k8s.io/minikube/pkg/minikube/out"
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)
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func ErrorCodes(docPath string, pathToCheck string) error {
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buf := bytes.NewBuffer([]byte{})
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date := time.Now().Format("2006-01-02")
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title := out.Fmt(title, out.V{"Command": "Error Codes", "Description": "minikube error codes and advice", "Date": date})
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_, err := buf.Write([]byte(title))
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if err != nil {
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return err
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}
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fset := token.NewFileSet()
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r, err := ioutil.ReadFile(pathToCheck)
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if err != nil {
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return errors.Wrap(err, fmt.Sprintf("error reading file %s", pathToCheck))
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}
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file, err := parser.ParseFile(fset, "", r, parser.ParseComments)
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if err != nil {
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return errors.Wrap(err, fmt.Sprintf("error parsing file %s", pathToCheck))
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}
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currentGroup := ""
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currentError := ""
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ast.Inspect(file, func(x ast.Node) bool {
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switch x.(type) {
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case *ast.Comment:
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// Start a new group of errors
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comment := x.(*ast.Comment).Text
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if !strings.HasPrefix(comment, "// Error codes specific") {
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return true
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}
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currentGroup = strings.Replace(comment, "//", "##", 1)
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buf.WriteString("\n" + currentGroup + "\n")
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case *ast.Ident:
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// This is the name of the error, e.g. ExGuestError
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currentError = x.(*ast.Ident).Name
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case *ast.BasicLit:
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// Filter out random strings that aren't error codes
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if currentError == "" {
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return true
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}
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// No specific group means generic errors
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if currentGroup == "" {
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currentGroup = "## Generic Errors"
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buf.WriteString("\n" + currentGroup + "\n")
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}
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// This is the numeric code of the error, e.g. 80 for ExGuest Error
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code := x.(*ast.BasicLit).Value
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buf.WriteString(fmt.Sprintf("%s: %s\n", code, currentError))
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default:
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}
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return true
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})
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return ioutil.WriteFile(docPath, buf.Bytes(), 0o644)
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}
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