102 lines
2.1 KiB
Go
102 lines
2.1 KiB
Go
package warewulfd
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import (
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"fmt"
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"io"
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"log"
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"log/syslog"
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"net/http"
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"os"
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"strconv"
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"strings"
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"time"
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"github.com/hpcng/warewulf/internal/pkg/node"
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"github.com/hpcng/warewulf/internal/pkg/warewulfconf"
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"github.com/pkg/errors"
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)
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var logwriter *syslog.Writer
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var loginit bool
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func daemonLogf(message string, a ...interface{}) {
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conf, err := warewulfconf.New()
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if err != nil {
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fmt.Printf("ERROR: Could not read Warewulf configuration file: %s\n", err)
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return
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}
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if conf.Warewulf.Syslog {
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if !loginit {
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var err error
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logwriter, err = syslog.New(syslog.LOG_NOTICE, "warewulfd")
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if err != nil {
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return
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}
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log.SetOutput(logwriter)
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loginit = true
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log.SetFlags(0)
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log.SetPrefix("")
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}
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log.Printf(message, a...)
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} else {
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prefix := fmt.Sprintf("[%s] ", time.Now().Format(time.UnixDate))
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fmt.Printf(prefix+message, a...)
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}
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}
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func getSanity(req *http.Request) (node.NodeInfo, error) {
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url := strings.Split(req.URL.Path, "/")
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hwaddr := strings.ReplaceAll(url[2], "-", ":")
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nodeobj, err := GetNode(hwaddr)
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if err != nil {
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var ret node.NodeInfo
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return ret, errors.New("Could not find node by HW address: " + req.URL.Path)
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}
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daemonLogf("REQ: %15s: %s\n", nodeobj.Id.Get(), req.URL.Path)
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return nodeobj, nil
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}
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func sendFile(w http.ResponseWriter, filename string, sendto string) error {
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fd, err := os.Open(filename)
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if err != nil {
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return err
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}
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defer fd.Close()
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FileHeader := make([]byte, 512)
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_, err = fd.Read(FileHeader)
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if err != nil {
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return errors.Wrap(err, "failed to read header")
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}
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FileContentType := http.DetectContentType(FileHeader)
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FileStat, _ := fd.Stat()
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FileSize := strconv.FormatInt(FileStat.Size(), 10)
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w.Header().Set("Content-Disposition", "attachment; filename=kernel")
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w.Header().Set("Content-Type", FileContentType)
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w.Header().Set("Content-Length", FileSize)
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_, err = fd.Seek(0, 0)
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if err != nil {
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return errors.Wrap(err, "failed to seek")
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}
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_, err = io.Copy(w, fd)
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if err != nil {
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return errors.Wrap(err, "failed to copy")
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}
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daemonLogf("SEND: %15s: %s\n", sendto, filename)
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return nil
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}
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