func runStepFuncOnNode(name string, c TxnCtx, node uuid.UUID, done chan<- error) {
if uuid.Equal(node, gdctx.MyUUID) {
done <- runStepFuncLocal(name, c)
} else {
done <- runStepFuncRemote(name, c, node)
}
}
func TestBlankNode(t *testing.T) {
for i := uint64(0); i < 10; i++ {
b := NewBlankNode()
bID := uuid.Parse(b.ID().String())
if uuid.Equal(bID, uuid.NIL) {
t.Fatalf("NewBlankNode %s could not be decoded properly", b)
}
}
}
func (s *Supervisor) RemoveTaskFromRunq(id uuid.UUID) {
l := make([]*db.Task, 0)
for _, task := range s.runq {
if uuid.Equal(task.UUID, id) {
continue
}
l = append(l, task)
}
s.runq = l
}
func NewUUID() string {
uuidLock.Lock()
defer uuidLock.Unlock()
result := uuid.NewUUID()
// The UUID package is naive and can generate identical UUIDs if the
// time interval is quick enough.
// The UUID uses 100 ns increments so it's short enough to actively
// wait for a new value.
for uuid.Equal(lastUUID, result) == true {
result = uuid.NewUUID()
}
lastUUID = result
return result.String()
}
func checkStatus(ctx transaction.TxnCtx) error {
var volname string
if err := ctx.Get("volname", &volname); err != nil {
ctx.Logger().WithFields(log.Fields{
"error": err,
"key": "volname",
}).Error("checkStatus: Failed to get key from transaction context.")
return err
}
vol, err := volume.GetVolume(volname)
if err != nil {
ctx.Logger().WithFields(log.Fields{
"error": err,
"key": "volname",
}).Error("checkStatus: Failed to get volume information from store.")
return err
}
var brickStatuses []*brick.Brickstatus
for _, binfo := range vol.Bricks {
// Skip bricks that aren't on this node.
// TODO: Rename Brickinfo field 'ID' to 'NodeUUID'
if uuid.Equal(binfo.ID, gdctx.MyUUID) == false {
continue
}
// TODO: Check actual brick status when we get them running.
fakeStatus := &brick.Brickstatus{
Hostname: binfo.Hostname,
Path: binfo.Path,
ID: binfo.ID,
Online: false,
Pid: 1234,
}
brickStatuses = append(brickStatuses, fakeStatus)
}
// Store the results in transaction context. This will be consumed by
// the node that initiated the transaction.
ctx.SetNodeResult(gdctx.MyUUID, brickStatusTxnKey, brickStatuses)
return nil
}
func undoStartBricks(c transaction.TxnCtx) error {
var volname string
if e := c.Get("volname", &volname); e != nil {
c.Logger().WithFields(log.Fields{
"error": e,
"key": "volname",
}).Error("failed to get value for key from context")
return e
}
vol, e := volume.GetVolume(volname)
if e != nil {
// this shouldn't happen
c.Logger().WithFields(log.Fields{
"error": e,
"volname": volname,
}).Error("failed to get volinfo for volume")
return e
}
for _, b := range vol.Bricks {
if uuid.Equal(b.ID, gdctx.MyUUID) {
c.Logger().WithFields(log.Fields{
"volume": volname,
"brick": b.Hostname + ":" + b.Path,
}).Info("volume start failed, stopping bricks")
//TODO: Stop started brick processes once the daemon management package is ready
brickDaemon, err := brick.NewDaemon(vol.Name, b)
if err != nil {
return err
}
err = daemon.Stop(brickDaemon, true)
if err != nil {
return err
}
}
}
return nil
}
// Nodes returns the a list of nodes on which this volume has bricks
func (v *Volinfo) Nodes() []uuid.UUID {
var nodes []uuid.UUID
// This shouldn't be very inefficient for small slices.
var present bool
for _, b := range v.Bricks {
// Add node to the slice only if it isn't present already
present = false
for _, n := range nodes {
if uuid.Equal(b.ID, n) == true {
present = true
break
}
}
if present == false {
nodes = append(nodes, b.ID)
}
}
return nodes
}
func stopBricks(c transaction.TxnCtx) error {
var volname string
if e := c.Get("volname", &volname); e != nil {
c.Logger().WithFields(log.Fields{
"error": e,
"key": "volname",
}).Error("failed to get value for key from context")
return e
}
vol, e := volume.GetVolume(volname)
if e != nil {
// this shouldn't happen
c.Logger().WithFields(log.Fields{
"error": e,
"volname": volname,
}).Error("failed to get volinfo for volume")
return e
}
for _, b := range vol.Bricks {
if uuid.Equal(b.ID, gdctx.MyUUID) {
c.Logger().WithFields(log.Fields{
"volume": volname,
"brick": b.Hostname + ":" + b.Path,
}).Info("would stop brick")
brickDaemon, err := brick.NewDaemon(vol.Name, b)
if err != nil {
return err
}
err = daemon.Stop(brickDaemon, false)
if err != nil {
return err
}
}
}
return nil
}
// ValidateBrickEntries validates the brick list
func ValidateBrickEntries(bricks []brick.Brickinfo, volID uuid.UUID, force bool) (int, error) {
for _, b := range bricks {
if !uuid.Equal(b.ID, gdctx.MyUUID) {
continue
}
local, err := utils.IsLocalAddress(b.Hostname)
if err != nil {
log.WithField("Host", b.Hostname).Error(err.Error())
return http.StatusInternalServerError, err
}
if local == false {
log.WithField("Host", b.Hostname).Error("Host is not local")
return http.StatusBadRequest, errors.ErrBrickNotLocal
}
err = utils.ValidateBrickPathLength(b.Path)
if err != nil {
return http.StatusBadRequest, err
}
err = utils.ValidateBrickSubDirLength(b.Path)
if err != nil {
return http.StatusBadRequest, err
}
err = isBrickPathAvailable(b.Hostname, b.Path)
if err != nil {
return http.StatusBadRequest, err
}
err = validateBrickPathStatsFunc(b.Path, b.Hostname, force)
if err != nil {
return http.StatusBadRequest, err
}
err = utils.ValidateXattrSupport(b.Path, b.Hostname, volID, force)
if err != nil {
return http.StatusBadRequest, err
}
}
return 0, nil
}
func (i ID) Equal(id ID) bool {
return uuid.Equal(uuid.UUID(i), uuid.UUID(id))
}
// Equal checks if two triples are identical.
func (t *Triple) Equal(t2 *Triple) bool {
return uuid.Equal(t.UUID(), t2.UUID())
}
func (s *Supervisor) ScheduleAdhoc(a *db.Task) {
log.Infof("schedule adhoc %s job", a.Op)
switch a.Op {
case db.BackupOperation:
// expect a JobUUID to move to the schedq Immediately
for _, job := range s.jobq {
if !uuid.Equal(job.UUID, a.JobUUID) {
continue
}
log.Infof("scheduling immediate (ad hoc) execution of job %s [%s]", job.Name, job.UUID)
task, err := s.Database.CreateBackupTask(a.Owner, job)
if err != nil {
log.Errorf("job -> task conversion / database update failed: %s", err)
if a.TaskUUIDChan != nil {
a.TaskUUIDChan <- &db.TaskInfo{
Err: true,
Info: err.Error(),
}
}
continue
}
if a.TaskUUIDChan != nil {
a.TaskUUIDChan <- &db.TaskInfo{
Err: false,
Info: task.UUID.String(),
}
}
s.ScheduleTask(task)
}
case db.RestoreOperation:
archive, err := s.Database.GetArchive(a.ArchiveUUID)
if err != nil {
log.Errorf("unable to find archive %s for restore task: %s", a.ArchiveUUID, err)
return
}
target, err := s.Database.GetTarget(a.TargetUUID)
if err != nil {
log.Errorf("unable to find target %s for restore task: %s", a.TargetUUID, err)
return
}
task, err := s.Database.CreateRestoreTask(a.Owner, archive, target)
if err != nil {
log.Errorf("restore task database creation failed: %s", err)
if a.TaskUUIDChan != nil {
a.TaskUUIDChan <- &db.TaskInfo{
Err: true,
Info: err.Error(),
}
}
return
}
if a.TaskUUIDChan != nil {
a.TaskUUIDChan <- &db.TaskInfo{
Err: false,
Info: task.UUID.String(),
}
}
s.ScheduleTask(task)
}
}
func interfaceStatus(client *contrail.Client, flagSet *flag.FlagSet) {
if len(interfaceStatusOpts.vrouter) == 0 {
fmt.Fprintln(os.Stderr, "virtual-router must be specified.")
os.Exit(1)
}
url := fmt.Sprintf("http://%s:8085/Snh_ItfReq",
interfaceStatusOpts.vrouter)
resp, err := http.Get(url)
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
// see: controller/src/vnsw/agent/oper/agent.sandesh
// struct ItfSandeshData
type InterfaceData struct {
Name string `xml:"name"`
Uuid string `xml:"uuid"`
VrfName string `xml:"vrf_name"`
Status string `xml:"active"`
NetworkName string `xml:"vn_name"`
InstanceName string `xml:"vm_name"`
IpAddress string `xml:"ip_addr"`
LinkLocalAddress string `xml:"mdata_ip_addr"`
}
type Envelope struct {
XMLName xml.Name `xml:"ItfResp"`
Data []InterfaceData `xml:"itf_list>list>ItfSandeshData"`
}
var m Envelope
err = xml.Unmarshal(body, &m)
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
const interfaceStatusTmpl = `
Interface: {{.Uuid}}
Instance: {{.InstanceName}}
Network: {{.NetworkName}}
IpAddress: {{.IpAddress}} Link Local: {{.LinkLocalAddress}}
Status: {{.Status}}
`
var writer *tabwriter.Writer
var tmpl *template.Template
if interfaceStatusOpts.detail {
tmpl = template.Must(template.New("interface-status").Parse(
interfaceStatusTmpl))
} else {
writer = new(tabwriter.Writer)
writer.Init(os.Stdout, 0, 0, 1, ' ', 0)
fmt.Fprintf(writer, "Instance\tNetwork\tIpAddress\n")
}
for _, ifdata := range m.Data {
id := uuid.Parse(ifdata.Uuid)
if uuid.Equal(id, uuid.NIL) {
continue
}
if interfaceStatusOpts.detail {
tmpl.Execute(os.Stdout, ifdata)
} else {
netname := strings.Split(ifdata.NetworkName, ":")
fmt.Fprintf(writer, "%.34s\t%-.28s\t%s\n",
ifdata.InstanceName, netname[2], ifdata.IpAddress)
}
}
if !interfaceStatusOpts.detail {
writer.Flush()
}
}