Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

[release-17.0] Add timeout to all the contexts used for RPC calls in vtorc (#15991) #16105

Merged
merged 1 commit into from
Jun 11, 2024
Merged

[release-17.0] Add timeout to all the contexts used for RPC calls in vtorc (#15991) #16105

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
12 changes: 9 additions & 3 deletions go/vt/vtorc/logic/tablet_discovery.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -306,17 +306,23 @@ func LockShard(ctx context.Context, instanceKey inst.InstanceKey) (context.Conte

// tabletUndoDemotePrimary calls the said RPC for the given tablet.
func tabletUndoDemotePrimary(ctx context.Context, tablet *topodatapb.Tablet, semiSync bool) error {
return tmc.UndoDemotePrimary(ctx, tablet, semiSync)
tmcCtx, tmcCancel := context.WithTimeout(ctx, topo.RemoteOperationTimeout)
defer tmcCancel()
return tmc.UndoDemotePrimary(tmcCtx, tablet, semiSync)
}

// setReadOnly calls the said RPC for the given tablet
func setReadOnly(ctx context.Context, tablet *topodatapb.Tablet) error {
return tmc.SetReadOnly(ctx, tablet)
tmcCtx, tmcCancel := context.WithTimeout(ctx, topo.RemoteOperationTimeout)
defer tmcCancel()
return tmc.SetReadOnly(tmcCtx, tablet)
}

// setReplicationSource calls the said RPC with the parameters provided
func setReplicationSource(ctx context.Context, replica *topodatapb.Tablet, primary *topodatapb.Tablet, semiSync bool) error {
return tmc.SetReplicationSource(ctx, replica, primary.Alias, 0, "", true, semiSync)
tmcCtx, tmcCancel := context.WithTimeout(ctx, topo.RemoteOperationTimeout)
defer tmcCancel()
return tmc.SetReplicationSource(tmcCtx, replica, primary.Alias, 0, "", true, semiSync)
}

// shardPrimary finds the primary of the given keyspace-shard by reading the vtorc backend
Expand Down
196 changes: 196 additions & 0 deletions go/vt/vtorc/logic/tablet_discovery_test.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -18,8 +18,10 @@ package logic

import (
"context"
"fmt"
"sync/atomic"
"testing"
"time"

"github.com/google/go-cmp/cmp"
"github.com/stretchr/testify/assert"
Expand All @@ -31,7 +33,9 @@ import (

topodatapb "vitess.io/vitess/go/vt/proto/topodata"
"vitess.io/vitess/go/vt/proto/vttime"
"vitess.io/vitess/go/vt/topo"
"vitess.io/vitess/go/vt/topo/memorytopo"
"vitess.io/vitess/go/vt/vtctl/grpcvtctldserver/testutil"
"vitess.io/vitess/go/vt/vtorc/db"
"vitess.io/vitess/go/vt/vtorc/inst"
)
Expand Down Expand Up @@ -321,3 +325,195 @@ func verifyTabletCount(t *testing.T, countWanted int) {
require.NoError(t, err)
require.Equal(t, countWanted, totalTablets)
}

func TestSetReadOnly(t *testing.T) {
tests := []struct {
name string
tablet *topodatapb.Tablet
tmc *testutil.TabletManagerClient
remoteOpTimeout time.Duration
errShouldContain string
}{
{
name: "Success",
tablet: tab100,
tmc: &testutil.TabletManagerClient{
SetReadOnlyResults: map[string]error{
"zone-1-0000000100": nil,
},
},
}, {
name: "Failure",
tablet: tab100,
tmc: &testutil.TabletManagerClient{
SetReadOnlyResults: map[string]error{
"zone-1-0000000100": fmt.Errorf("testing error"),
},
},
errShouldContain: "testing error",
}, {
name: "Timeout",
tablet: tab100,
remoteOpTimeout: 100 * time.Millisecond,
tmc: &testutil.TabletManagerClient{
SetReadOnlyResults: map[string]error{
"zone-1-0000000100": nil,
},
SetReadOnlyDelays: map[string]time.Duration{
"zone-1-0000000100": 200 * time.Millisecond,
},
},
errShouldContain: "context deadline exceeded",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
oldTmc := tmc
oldRemoteOpTimeout := topo.RemoteOperationTimeout
defer func() {
tmc = oldTmc
topo.RemoteOperationTimeout = oldRemoteOpTimeout
}()

tmc = tt.tmc
if tt.remoteOpTimeout != 0 {
topo.RemoteOperationTimeout = tt.remoteOpTimeout
}

err := setReadOnly(context.Background(), tt.tablet)
if tt.errShouldContain == "" {
require.NoError(t, err)
return
}
require.ErrorContains(t, err, tt.errShouldContain)
})
}
}

func TestTabletUndoDemotePrimary(t *testing.T) {
tests := []struct {
name string
tablet *topodatapb.Tablet
tmc *testutil.TabletManagerClient
remoteOpTimeout time.Duration
errShouldContain string
}{
{
name: "Success",
tablet: tab100,
tmc: &testutil.TabletManagerClient{
UndoDemotePrimaryResults: map[string]error{
"zone-1-0000000100": nil,
},
},
}, {
name: "Failure",
tablet: tab100,
tmc: &testutil.TabletManagerClient{
UndoDemotePrimaryResults: map[string]error{
"zone-1-0000000100": fmt.Errorf("testing error"),
},
},
errShouldContain: "testing error",
}, {
name: "Timeout",
tablet: tab100,
remoteOpTimeout: 100 * time.Millisecond,
tmc: &testutil.TabletManagerClient{
UndoDemotePrimaryResults: map[string]error{
"zone-1-0000000100": nil,
},
UndoDemotePrimaryDelays: map[string]time.Duration{
"zone-1-0000000100": 200 * time.Millisecond,
},
},
errShouldContain: "context deadline exceeded",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
oldTmc := tmc
oldRemoteOpTimeout := topo.RemoteOperationTimeout
defer func() {
tmc = oldTmc
topo.RemoteOperationTimeout = oldRemoteOpTimeout
}()

tmc = tt.tmc
if tt.remoteOpTimeout != 0 {
topo.RemoteOperationTimeout = tt.remoteOpTimeout
}

err := tabletUndoDemotePrimary(context.Background(), tt.tablet, false)
if tt.errShouldContain == "" {
require.NoError(t, err)
return
}
require.ErrorContains(t, err, tt.errShouldContain)
})
}
}

func TestSetReplicationSource(t *testing.T) {
tests := []struct {
name string
tablet *topodatapb.Tablet
tmc *testutil.TabletManagerClient
remoteOpTimeout time.Duration
errShouldContain string
}{
{
name: "Success",
tablet: tab100,
tmc: &testutil.TabletManagerClient{
SetReplicationSourceResults: map[string]error{
"zone-1-0000000100": nil,
},
},
}, {
name: "Failure",
tablet: tab100,
tmc: &testutil.TabletManagerClient{
SetReplicationSourceResults: map[string]error{
"zone-1-0000000100": fmt.Errorf("testing error"),
},
},
errShouldContain: "testing error",
}, {
name: "Timeout",
tablet: tab100,
remoteOpTimeout: 100 * time.Millisecond,
tmc: &testutil.TabletManagerClient{
SetReplicationSourceResults: map[string]error{
"zone-1-0000000100": nil,
},
SetReplicationSourceDelays: map[string]time.Duration{
"zone-1-0000000100": 200 * time.Millisecond,
},
},
errShouldContain: "context deadline exceeded",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
oldTmc := tmc
oldRemoteOpTimeout := topo.RemoteOperationTimeout
defer func() {
tmc = oldTmc
topo.RemoteOperationTimeout = oldRemoteOpTimeout
}()

tmc = tt.tmc
if tt.remoteOpTimeout != 0 {
topo.RemoteOperationTimeout = tt.remoteOpTimeout
}

err := setReplicationSource(context.Background(), tt.tablet, tab101, false)
if tt.errShouldContain == "" {
require.NoError(t, err)
return
}
require.ErrorContains(t, err, tt.errShouldContain)
})
}
}
Loading