traefik/pkg/api/handler_support_dump.go
2024-12-12 14:12:04 +01:00

97 lines
2.5 KiB
Go

package api
import (
"archive/tar"
"compress/gzip"
"encoding/json"
"fmt"
"net/http"
"time"
"github.com/rs/zerolog/log"
"github.com/traefik/traefik/v3/pkg/redactor"
"github.com/traefik/traefik/v3/pkg/version"
)
func (h Handler) getSupportDump(rw http.ResponseWriter, req *http.Request) {
logger := log.Ctx(req.Context())
staticConfig, err := redactor.Anonymize(h.staticConfig)
if err != nil {
logger.Error().Err(err).Msg("Unable to anonymize and marshal static configuration")
writeError(rw, err.Error(), http.StatusInternalServerError)
return
}
runtimeConfig, err := json.Marshal(h.runtimeConfiguration)
if err != nil {
logger.Error().Err(err).Msg("Unable to marshal runtime configuration")
writeError(rw, err.Error(), http.StatusInternalServerError)
return
}
tVersion, err := json.Marshal(struct {
Version string `json:"version"`
Codename string `json:"codename"`
StartDate time.Time `json:"startDate"`
}{
Version: version.Version,
Codename: version.Codename,
StartDate: version.StartDate,
})
if err != nil {
logger.Error().Err(err).Msg("Unable to marshal version")
writeError(rw, err.Error(), http.StatusInternalServerError)
return
}
rw.Header().Set("Content-Type", "application/gzip")
rw.Header().Set("Content-Disposition", "attachment; filename=support-dump.tar.gz")
// Create gzip writer.
gw := gzip.NewWriter(rw)
defer gw.Close()
// Create tar writer.
tw := tar.NewWriter(gw)
defer tw.Close()
// Add configuration files to the archive.
if err := addFile(tw, "version.json", tVersion); err != nil {
logger.Error().Err(err).Msg("Unable to archive version file")
writeError(rw, err.Error(), http.StatusInternalServerError)
return
}
if err := addFile(tw, "static-config.json", []byte(staticConfig)); err != nil {
logger.Error().Err(err).Msg("Unable to archive static configuration")
writeError(rw, err.Error(), http.StatusInternalServerError)
return
}
if err := addFile(tw, "runtime-config.json", runtimeConfig); err != nil {
logger.Error().Err(err).Msg("Unable to archive runtime configuration")
writeError(rw, err.Error(), http.StatusInternalServerError)
return
}
}
func addFile(tw *tar.Writer, name string, content []byte) error {
header := &tar.Header{
Name: name,
Mode: 0o600,
Size: int64(len(content)),
ModTime: time.Now(),
}
if err := tw.WriteHeader(header); err != nil {
return fmt.Errorf("writing tar header: %w", err)
}
if _, err := tw.Write(content); err != nil {
return fmt.Errorf("writing tar content: %w", err)
}
return nil
}