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integration: test snapshot inflights metrics 

Signed-off-by: Gyuho Lee <leegyuho@amazon.com>
release-3.5
Gyuho Lee 2019-08-08 12:54:14 -07:00
parent 46bddacacb
commit a4badc33a3
1 changed files with 19 additions and 1 deletions
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20
integration/v3_watch_restore_test.go
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@ -71,7 +71,25 @@ func TestV3WatchRestoreSnapshotUnsync(t *testing.T) {
// trigger snapshot send from leader to this slow follower
// which then calls watchable store Restore
clus.Members[0].RecoverPartition(t, clus.Members[1:]...)
clus.WaitLeader(t)
lead := clus.WaitLeader(t)
sends, err := clus.Members[lead].Metric("etcd_network_snapshot_send_inflights_total")
if err != nil {
t.Fatal(err)
}
if sends != "0" && sends != "1" {
// 0 if already sent, 1 if sending
t.Fatalf("inflight snapshot sends expected 0 or 1, got %q", sends)
}
receives, err := clus.Members[(lead+1)%3].Metric("etcd_network_snapshot_receive_inflights_total")
if err != nil {
t.Fatal(err)
}
if receives != "0" && receives != "1" {
// 0 if already received, 1 if receiving
t.Fatalf("inflight snapshot receives expected 0 or 1, got %q", receives)
}
time.Sleep(2 * time.Second)
// slow follower now applies leader snapshot