mirror of
https://github.com/coredns/coredns.git
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08ca048a35
Use the package go/ast/astutil for adding CoreDNS to caddy and removing the http server stuff from it as well - we're only a DNS server, no need to caddy all the HTTP stuff as well. Results in smaller binary and plugin_generate.go being much smaller as well.
49 lines
1.1 KiB
Go
49 lines
1.1 KiB
Go
//+build ignore
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package main
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import (
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"bytes"
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"go/ast"
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"go/parser"
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"go/printer"
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"go/token"
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"io/ioutil"
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"log"
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"golang.org/x/tools/go/ast/astutil"
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)
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func GenerateFile(fset *token.FileSet, file *ast.File) ([]byte, error) {
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var output []byte
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buffer := bytes.NewBuffer(output)
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if err := printer.Fprint(buffer, fset, file); err != nil {
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return nil, err
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}
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return buffer.Bytes(), nil
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}
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func main() {
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fset := token.NewFileSet()
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f, err := parser.ParseFile(fset, caddyrun, nil, parser.ParseComments)
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if err != nil {
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log.Fatalf("failed to parse %s: %s", caddyrun, err)
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}
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astutil.AddNamedImport(fset, f, "_", coredns)
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astutil.DeleteNamedImport(fset, f, "_", caddy)
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out, err := GenerateFile(fset, f)
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if err := ioutil.WriteFile(caddyrun, out, 0644); err != nil {
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log.Fatalf("failed to write go file: %s", err)
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}
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}
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const (
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coredns = "github.com/miekg/coredns/core"
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caddy = "github.com/mholt/caddy/caddyhttp"
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// If everything is OK and we are sitting in CoreDNS' dir, this is where run.go should be.
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caddyrun = "../../mholt/caddy/caddy/caddymain/run.go"
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)
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