81af74aad0
This fix fixes import path from `github.com/miekg/coredns` -> `github.com/coredns/coredns`
118 lines
2.3 KiB
Go
118 lines
2.3 KiB
Go
//+build ignore
|
|
|
|
package main
|
|
|
|
import (
|
|
"bufio"
|
|
"go/format"
|
|
"io/ioutil"
|
|
"log"
|
|
"os"
|
|
"sort"
|
|
"strconv"
|
|
"strings"
|
|
)
|
|
|
|
func main() {
|
|
mi := make(map[string]string, 0)
|
|
md := make(map[int]string, 0)
|
|
|
|
file, err := os.Open(middlewareFile)
|
|
fatalIfErr(err)
|
|
|
|
defer file.Close()
|
|
|
|
scanner := bufio.NewScanner(file)
|
|
for scanner.Scan() {
|
|
line := scanner.Text()
|
|
if strings.HasPrefix(line, "#") {
|
|
continue
|
|
}
|
|
|
|
items := strings.Split(line, ":")
|
|
if len(items) != 3 {
|
|
// ignore
|
|
continue
|
|
}
|
|
priority, err := strconv.Atoi(items[0])
|
|
fatalIfErr(err)
|
|
|
|
if v, ok := md[priority]; ok {
|
|
log.Fatalf("Duplicate priority '%d', slot already taken by %q", priority, v)
|
|
}
|
|
md[priority] = items[1]
|
|
mi[items[1]] = middlewarePath + items[2] // Default, unless overriden by 3rd arg
|
|
|
|
if strings.Contains(items[2], "/") { // External package has been given
|
|
mi[items[1]] = items[2]
|
|
}
|
|
}
|
|
|
|
genImports("core/zmiddleware.go", "core", mi)
|
|
genDirectives("core/dnsserver/zdirectives.go", "dnsserver", md)
|
|
}
|
|
|
|
func genImports(file, pack string, mi map[string]string) {
|
|
outs := header + "package " + pack + "\n\n" + "import ("
|
|
|
|
if len(mi) > 0 {
|
|
outs += "\n"
|
|
}
|
|
|
|
for _, v := range mi {
|
|
outs += `_ "` + v + `"` + "\n"
|
|
}
|
|
outs += ")\n"
|
|
|
|
res, err := format.Source([]byte(outs))
|
|
fatalIfErr(err)
|
|
|
|
err = ioutil.WriteFile(file, res, 0644)
|
|
fatalIfErr(err)
|
|
}
|
|
|
|
func genDirectives(file, pack string, md map[int]string) {
|
|
|
|
outs := header + "package " + pack + "\n\n"
|
|
outs += `
|
|
// Directives are registered in the order they should be
|
|
// executed.
|
|
//
|
|
// Ordering is VERY important. Every middleware will
|
|
// feel the effects of all other middleware below
|
|
// (after) them during a request, but they must not
|
|
// care what middleware above them are doing.
|
|
|
|
var directives = []string{
|
|
`
|
|
|
|
var orders []int
|
|
for k := range md {
|
|
orders = append(orders, k)
|
|
}
|
|
sort.Ints(orders)
|
|
|
|
for _, k := range orders {
|
|
outs += `"` + md[k] + `",` + "\n"
|
|
}
|
|
|
|
outs += "}\n"
|
|
|
|
res, err := format.Source([]byte(outs))
|
|
fatalIfErr(err)
|
|
|
|
err = ioutil.WriteFile(file, res, 0644)
|
|
fatalIfErr(err)
|
|
}
|
|
|
|
func fatalIfErr(err error) {
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
}
|
|
|
|
const (
|
|
middlewarePath = "github.com/coredns/coredns/middleware/"
|
|
middlewareFile = "middleware.cfg"
|
|
header = "// generated by directives_generate.go; DO NOT EDIT\n"
|
|
)
|