81 lines
1.2 KiB
Go
81 lines
1.2 KiB
Go
package main
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import (
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"compress/gzip"
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"io"
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"io/ioutil"
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"os"
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"path/filepath"
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restful "github.com/emicklei/go-restful"
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)
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func wsUploadConfig(req *restful.Request, resp *restful.Response) {
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body := req.Request.Body
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err := writeNewConfig(body)
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body.Close()
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if err != nil {
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wsError(resp, err)
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}
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}
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func writeNewConfig(reader io.Reader) (err error) {
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out, err := ioutil.TempFile(*dataDir, ".config-upload")
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if err != nil {
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return
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}
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defer os.Remove(out.Name())
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_, err = io.Copy(out, reader)
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out.Close()
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if err != nil {
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return
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}
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cfgPath := configFilePath()
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in, err := os.Open(cfgPath)
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if err == nil {
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err = backupCurrentConfig(in)
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} else if !os.IsNotExist(err) {
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return
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}
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err = os.Rename(out.Name(), cfgPath)
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updateState()
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return
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}
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func backupCurrentConfig(in io.ReadCloser) (err error) {
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archivesPath := filepath.Join(*dataDir, "archives")
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err = os.MkdirAll(archivesPath, 0700)
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if err != nil {
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return
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}
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backupPath := filepath.Join(archivesPath, "config."+ulid()+".yaml.gz")
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bck, err := os.Create(backupPath)
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if err != nil {
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return
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}
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defer bck.Close()
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gz, err := gzip.NewWriterLevel(bck, 2)
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if err != nil {
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return
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}
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_, err = io.Copy(gz, in)
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gz.Close()
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in.Close()
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return
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}
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