/
sync_firmware.go
137 lines (110 loc) · 3.68 KB
/
sync_firmware.go
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package metathings_device_service
import (
"context"
"fmt"
"os"
"path/filepath"
"strings"
"time"
"github.com/golang/protobuf/ptypes/empty"
"github.com/golang/protobuf/ptypes/wrappers"
"github.com/sirupsen/logrus"
"github.com/stretchr/objx"
grpc_helper "github.com/nayotta/metathings/pkg/common/grpc"
deviced_pb "github.com/nayotta/metathings/proto/deviced"
)
func (self *MetathingsDeviceServiceImpl) do_sync_firmware(uri, sha256sum string) error {
logger := self.get_logger().WithFields(logrus.Fields{
"uri": uri,
"sha256sum": sha256sum,
})
if self.is_synchronizing_firmware_state() {
logger.Warningf("synchronizing firmware, please wait a minutes")
return nil
}
self.synchronizing_firmware_mtx.Lock()
self.stats_synchronizing_firmware = true
defer func() {
self.stats_synchronizing_firmware = false
self.synchronizing_firmware_mtx.Unlock()
}()
src, err := os.Executable()
if err != nil {
logger.WithError(err).Debugf("failed to get executable info")
return err
}
var postfix string
if len(sha256sum) > 12 {
postfix = sha256sum[:12]
} else {
postfix = fmt.Sprintf("%d", time.Now().Unix())
}
dst := fmt.Sprintf("%v.%v", strings.TrimSuffix(filepath.Base(src), filepath.Ext(src)), postfix)
if err = self.bs.Sync(self.context(), src, dst, uri, sha256sum); err != nil {
logger.WithError(err).Debugf("failed to sync firmware")
return err
}
logger.Infof("sync firmware, please restart!")
return nil
}
func (self *MetathingsDeviceServiceImpl) do_sync_modules_firmware() {
logger := self.get_logger().WithField("method", "do_sync_modules_firmware")
for _, m := range self.info.Modules {
loop_logger := logger.WithField("module", m.Name)
mdl, err := self.mdl_db.Lookup(m.Name)
if err != nil {
loop_logger.WithError(err).Warningf("failed to get module in database")
continue
}
sf_req := &deviced_pb.OpUnaryCallValue{
Method: &wrappers.StringValue{Value: "SyncFirmware"},
}
_, err = mdl.UnaryCall(context.Background(), sf_req)
if err != nil {
loop_logger.WithError(err).Warningf("failed to send sync firmware unary call")
}
}
logger.Debugf("sync modules firmware")
}
func (self *MetathingsDeviceServiceImpl) get_device_firmware_descriptor(cli deviced_pb.DevicedServiceClient, ctx context.Context) (*deviced_pb.FirmwareDescriptor, error) {
res, err := cli.ShowDeviceFirmwareDescriptor(ctx, &empty.Empty{})
if err != nil {
return nil, err
}
return res.GetFirmwareDescriptor(), nil
}
func (self *MetathingsDeviceServiceImpl) is_synchronizing_firmware_state() bool {
return self.stats_synchronizing_firmware
}
func (self *MetathingsDeviceServiceImpl) sync_firmware() (err error) {
logger := self.get_logger().WithField("method", "sync_firmware")
cli, cfn, err := self.cli_fty.NewDevicedServiceClient()
if err != nil {
logger.WithError(err).Errorf("failed to new deviced service client")
return err
}
defer cfn()
desc, err := self.get_device_firmware_descriptor(cli, self.context())
if err != nil {
logger.WithError(err).Errorf("failed to get device firmware descriptor")
return err
}
desc_str, err := grpc_helper.JSONPBMarshaler.MarshalToString(desc.GetDescriptor_())
if err != nil {
logger.WithError(err).Errorf("failed to marshal descriptor to json string")
return err
}
descx, err := objx.FromJSON(desc_str)
if err != nil {
logger.WithError(err).Errorf("failed to marshal json string to objx")
return err
}
dev_nxt_ver := descx.Get("device.version.next").String()
if dev_nxt_ver != "" && dev_nxt_ver != self.GetVersion() {
uri := descx.Get("device.uri.next").String()
sha256sum := descx.Get("device.sha256.next").String()
go self.do_sync_firmware(uri, sha256sum)
}
go self.do_sync_modules_firmware()
return nil
}