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Levin Zimmermann
neoppod
Commits
8b0d5744
Commit
8b0d5744
authored
Feb 18, 2021
by
Kirill Smelkov
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parent
4d25e431
Changes
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5 additions
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7 deletions
+5
-7
go/neo/master.go
go/neo/master.go
+5
-7
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go/neo/master.go
View file @
8b0d5744
...
@@ -328,7 +328,7 @@ func (m *Master) main(ctx context.Context) (err error) {
...
@@ -328,7 +328,7 @@ func (m *Master) main(ctx context.Context) (err error) {
continue
// -> recovery
continue
// -> recovery
}
}
//
XXX
shutdown request ?
//
TODO
shutdown request ?
}
}
return
ctx
.
Err
()
return
ctx
.
Err
()
...
@@ -342,7 +342,7 @@ func (m *Master) main(ctx context.Context) (err error) {
...
@@ -342,7 +342,7 @@ func (m *Master) main(ctx context.Context) (err error) {
// - accept connections from storage nodes
// - accept connections from storage nodes
// - retrieve and recover latest previously saved partition table from storages
// - retrieve and recover latest previously saved partition table from storages
// - monitor whether partition table becomes operational wrt currently up nodeset
// - monitor whether partition table becomes operational wrt currently up nodeset
// - if yes - finish recovering upon receiving "start" command
XXX
or autostart
// - if yes - finish recovering upon receiving "start" command
TODO
or autostart
// - start is also allowed if storages connected and say there is no partition
// - start is also allowed if storages connected and say there is no partition
// table saved to them (empty new cluster case).
// table saved to them (empty new cluster case).
...
@@ -352,7 +352,7 @@ type storRecovery struct {
...
@@ -352,7 +352,7 @@ type storRecovery struct {
partTab
*
xneo
.
PartitionTable
partTab
*
xneo
.
PartitionTable
err
error
err
error
//
XXX + backup_tid, truncate_tid ?
//
TODO + backup_tid, truncate_tid
// XXX naming cont? continue? unlock? unpause?
// XXX naming cont? continue? unlock? unpause?
ack
chan
struct
{}
// main -> storCtlRecovery "thanks; please continue" XXX explain why
ack
chan
struct
{}
// main -> storCtlRecovery "thanks; please continue" XXX explain why
...
@@ -373,7 +373,7 @@ func (m *Master) recovery(ctx context.Context) (err error) {
...
@@ -373,7 +373,7 @@ func (m *Master) recovery(ctx context.Context) (err error) {
recoveredq
:=
make
(
chan
storRecovery
)
// <- result of 1 stor recovery
recoveredq
:=
make
(
chan
storRecovery
)
// <- result of 1 stor recovery
inprogress
:=
0
// in-progress stor recoveries
inprogress
:=
0
// in-progress stor recoveries
// requests to .ctlStart received when readyToStart
// requests to .ctlStart received when readyToStart
=y
// on success answered when full recovery completes
// on success answered when full recovery completes
startReqv
:=
[]
chan
error
{}
startReqv
:=
[]
chan
error
{}
defer
func
()
{
defer
func
()
{
...
@@ -424,7 +424,6 @@ func (m *Master) recovery(ctx context.Context) (err error) {
...
@@ -424,7 +424,6 @@ func (m *Master) recovery(ctx context.Context) (err error) {
}
}
}
}
// TODO (?) set cluster state = RECOVERY
// TODO down clients
// TODO down clients
// goStorCtlRecovery spawns recovery task on a storage peer.
// goStorCtlRecovery spawns recovery task on a storage peer.
...
@@ -485,7 +484,7 @@ func (m *Master) recovery(ctx context.Context) (err error) {
...
@@ -485,7 +484,7 @@ func (m *Master) recovery(ctx context.Context) (err error) {
case
<-
ctxDone
:
case
<-
ctxDone
:
stop
(
ctx
.
Err
())
stop
(
ctx
.
Err
())
// request to start the cluster - if ok we
exit replying ok
// request to start the cluster - if ok we
queue it to reply ok on successful exit
// if not ok - we just reply not ok
// if not ok - we just reply not ok
case
ech
:=
<-
ctlStart
:
case
ech
:=
<-
ctlStart
:
if
readyToStart
{
if
readyToStart
{
...
@@ -562,7 +561,6 @@ func (m *Master) recovery(ctx context.Context) (err error) {
...
@@ -562,7 +561,6 @@ func (m *Master) recovery(ctx context.Context) (err error) {
// if we are starting for new cluster - create partition table
// if we are starting for new cluster - create partition table
if
m
.
node
.
State
.
PartTab
.
PTid
==
0
{
if
m
.
node
.
State
.
PartTab
.
PTid
==
0
{
// XXX -> m.nodeTab.StorageList(State > DOWN)
storv
:=
[]
*
xneo
.
PeerNode
{}
storv
:=
[]
*
xneo
.
PeerNode
{}
for
_
,
stor
:=
range
m
.
node
.
State
.
NodeTab
.
StorageList
()
{
for
_
,
stor
:=
range
m
.
node
.
State
.
NodeTab
.
StorageList
()
{
if
stor
.
State
>
proto
.
DOWN
{
if
stor
.
State
>
proto
.
DOWN
{
...
...
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