mirror of
https://github.com/kubernetes-sigs/external-dns.git
synced 2026-04-16 05:21:01 +02:00
8533f19606
* docs(metrics): add Labels column to metrics documentation table Signed-off-by: ivan katliarchuk <ivan.katliarchuk@gmail.com> * docs(metrics): add Labels column to metrics documentation table Signed-off-by: ivan katliarchuk <ivan.katliarchuk@gmail.com> * docs(metrics): add Labels column to metrics documentation table Signed-off-by: ivan katliarchuk <ivan.katliarchuk@gmail.com> --------- Signed-off-by: ivan katliarchuk <ivan.katliarchuk@gmail.com>
85 lines
2.5 KiB
Go
85 lines
2.5 KiB
Go
/*
|
|
Copyright 2025 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 render
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"io/fs"
|
|
"os"
|
|
"strings"
|
|
"text/template"
|
|
|
|
"golang.org/x/text/cases"
|
|
"golang.org/x/text/language"
|
|
)
|
|
|
|
// WriteToFile writes the given content to a file, creating or truncating it.
|
|
func WriteToFile(filename string, content string) error {
|
|
return os.WriteFile(filename, []byte(content), 0644)
|
|
}
|
|
|
|
// RenderTemplate parses and executes a named Go template from the given filesystem.
|
|
func RenderTemplate(fsys fs.FS, name string, data any) (string, error) {
|
|
tmpl := template.New("").Funcs(FuncMap())
|
|
template.Must(tmpl.ParseFS(fsys, "templates/*.gotpl"))
|
|
|
|
var b bytes.Buffer
|
|
if err := tmpl.ExecuteTemplate(&b, name, data); err != nil {
|
|
return "", err
|
|
}
|
|
return b.String(), nil
|
|
}
|
|
|
|
// FuncMap returns a mapping of all of the functions that Engine has.
|
|
func FuncMap() template.FuncMap {
|
|
return template.FuncMap{
|
|
"backtick": func(times int) string {
|
|
return strings.Repeat("`", times)
|
|
},
|
|
"capitalize": cases.Title(language.English, cases.Compact).String,
|
|
"replace": strings.ReplaceAll,
|
|
"lower": strings.ToLower,
|
|
"join": strings.Join,
|
|
"bold": func(s string) string {
|
|
return "**" + s + "**"
|
|
},
|
|
// padRight pads s with spaces on the right to the given width.
|
|
"padRight": func(width int, s string) string {
|
|
return fmt.Sprintf("%-*s", width, s)
|
|
},
|
|
// leftSep generates a left-aligned markdown table separator of the given column width.
|
|
"leftSep": func(width int) string {
|
|
return strings.Repeat("-", width+1)
|
|
},
|
|
}
|
|
}
|
|
|
|
// ComputeColumnWidth returns the maximum string length among the header and all values.
|
|
func ComputeColumnWidth(header string, values []string) int {
|
|
return MapColumn(header, values, func(s string) string { return s })
|
|
}
|
|
|
|
// MapColumn returns the max width among the header and fn applied to each item.
|
|
func MapColumn[T any](header string, items []T, fn func(T) string) int {
|
|
w := len(header)
|
|
for _, item := range items {
|
|
w = max(w, len(fn(item)))
|
|
}
|
|
return w
|
|
}
|