func (sw LogsStreamWriter) Write(b []byte) (int, error) {
lines := common.RemoveEmptyLines(string(b))
if err := sw.server.Send(&v1alpha.GetLogsResponse{Lines: lines}); err != nil {
return 0, err
}
return len(b), nil
}
func (s *v1AlphaAPIServer) constrainedGetLogs(request *v1alpha.GetLogsRequest, server v1alpha.PublicAPI_GetLogsServer) error {
pod, err := pkgPod.PodFromUUIDString(getDataDir(), request.PodId)
if err != nil {
return err
}
defer pod.Close()
path, err := pod.JournalLogPath()
if _, err := os.Stat(path); os.IsNotExist(err) {
return fmt.Errorf("logging unsupported for pod %q", request.PodId)
}
jconf := sdjournal.JournalReaderConfig{
Path: path,
}
if request.AppName != "" {
jconf.Matches = []sdjournal.Match{
{
Field: sdjournal.SD_JOURNAL_FIELD_SYSLOG_IDENTIFIER,
Value: request.AppName,
},
}
}
if request.SinceTime != 0 {
t := time.Unix(request.SinceTime, 0)
jconf.Since = -time.Since(t)
}
if request.Lines != 0 {
jconf.NumFromTail = uint64(request.Lines)
}
jr, err := sdjournal.NewJournalReader(jconf)
if err != nil {
return err
}
defer jr.Close()
if request.Follow {
return jr.Follow(nil, LogsStreamWriter{server: server})
}
data, err := ioutil.ReadAll(jr)
if err != nil {
return err
}
return server.Send(&v1alpha.GetLogsResponse{Lines: common.RemoveEmptyLines(string(data))})
}
func (s *v1AlphaAPIServer) constrainedGetLogs(request *v1alpha.GetLogsRequest, server v1alpha.PublicAPI_GetLogsServer) error {
uuid, err := types.NewUUID(request.PodId)
if err != nil {
return err
}
pod, err := getPod(uuid)
if err != nil {
return err
}
defer pod.Close()
stage1Path := "stage1/rootfs"
if pod.usesOverlay() {
stage1TreeStoreID, err := pod.getStage1TreeStoreID()
if err != nil {
return err
}
stage1Path = fmt.Sprintf("/overlay/%s/upper/", stage1TreeStoreID)
}
path := filepath.Join(getDataDir(), "/pods/run/", request.PodId, stage1Path, "/var/log/journal/")
if _, err := os.Stat(path); os.IsNotExist(err) {
return fmt.Errorf("%s: logging unsupported", uuid.String())
}
jconf := sdjournal.JournalReaderConfig{
Path: path,
}
if request.AppName != "" {
jconf.Matches = []sdjournal.Match{
{
Field: sdjournal.SD_JOURNAL_FIELD_SYSLOG_IDENTIFIER,
Value: request.AppName,
},
}
}
if request.SinceTime != 0 {
t := time.Unix(request.SinceTime, 0)
jconf.Since = -time.Since(t)
}
if request.Lines != 0 {
jconf.NumFromTail = uint64(request.Lines)
}
jr, err := sdjournal.NewJournalReader(jconf)
if err != nil {
return err
}
defer jr.Close()
if request.Follow {
return jr.Follow(nil, LogsStreamWriter{server: server})
}
data, err := ioutil.ReadAll(jr)
if err != nil {
return err
}
return server.Send(&v1alpha.GetLogsResponse{Lines: common.RemoveEmptyLines(string(data))})
}