Files
kustomize/cmd/config/internal/commands/util.go
2019-12-12 12:46:31 -08:00

75 lines
1.8 KiB
Go

// Copyright 2019 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0
//
package commands
import (
"fmt"
"os"
"strings"
"github.com/go-errors/errors"
"github.com/spf13/cobra"
)
// parseFieldPath parse a flag value into a field path
func parseFieldPath(path string) ([]string, error) {
// fixup '\.' so we don't split on it
match := strings.ReplaceAll(path, "\\.", "$$$$")
parts := strings.Split(match, ".")
for i := range parts {
parts[i] = strings.ReplaceAll(parts[i], "$$$$", ".")
}
// split the list index from the list field
var newParts []string
for i := range parts {
if !strings.Contains(parts[i], "[") {
newParts = append(newParts, parts[i])
continue
}
p := strings.Split(parts[i], "[")
if len(p) != 2 {
return nil, fmt.Errorf("unrecognized path element: %s. "+
"Should be of the form 'list[field=value]'", parts[i])
}
p[1] = "[" + p[1]
newParts = append(newParts, p[0], p[1])
}
return newParts, nil
}
func handleError(c *cobra.Command, err error) error {
if err == nil {
return nil
}
if StackOnError {
if err, ok := err.(*errors.Error); ok {
fmt.Fprint(os.Stderr, fmt.Sprintf("%s", err.Stack()))
}
}
if ExitOnError {
fmt.Fprintf(c.ErrOrStderr(), "Error: %v\n", err)
os.Exit(1)
}
return err
}
// ExitOnError if true, will cause commands to call os.Exit instead of returning an error.
// Used for skipping printing usage on failure.
var ExitOnError bool
// StackOnError if true, will print a stack trace on failure.
var StackOnError bool
const cmdName = "kustomize config"
// FixDocs replaces instances of old with new in the docs for c
func fixDocs(new string, c *cobra.Command) {
c.Use = strings.ReplaceAll(c.Use, cmdName, new)
c.Short = strings.ReplaceAll(c.Short, cmdName, new)
c.Long = strings.ReplaceAll(c.Long, cmdName, new)
c.Example = strings.ReplaceAll(c.Example, cmdName, new)
}