etcd/e2e/ctl_v3_alarm_test.go

64 lines
1.8 KiB
Go

// Copyright 2016 The etcd Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package e2e
import (
"strings"
"testing"
)
func TestCtlV3Alarm(t *testing.T) { testCtl(t, alarmTest, withQuota(64*1024)) }
func alarmTest(cx ctlCtx) {
// test small put still works
smallbuf := strings.Repeat("a", int(cx.quotaBackendBytes/100))
if err := ctlV3Put(cx, "abc", smallbuf, ""); err != nil {
cx.t.Fatal(err)
}
// test big put (to be rejected, and trigger quota alarm)
bigbuf := strings.Repeat("a", int(cx.quotaBackendBytes))
if err := ctlV3Put(cx, "abc", bigbuf, ""); err != nil {
if !strings.Contains(err.Error(), "etcdserver: mvcc: database space exceeded") {
cx.t.Fatal(err)
}
}
if err := ctlV3Alarm(cx, "list", "alarm:NOSPACE"); err != nil {
cx.t.Fatal(err)
}
// alarm is on rejecting Puts and Txns
if err := ctlV3Put(cx, "def", smallbuf, ""); err != nil {
if !strings.Contains(err.Error(), "etcdserver: mvcc: database space exceeded") {
cx.t.Fatal(err)
}
}
// turn off alarm
if err := ctlV3Alarm(cx, "disarm", "alarm:NOSPACE"); err != nil {
cx.t.Fatal(err)
}
// put one more key below quota
if err := ctlV3Put(cx, "ghi", smallbuf, ""); err != nil {
cx.t.Fatal(err)
}
}
func ctlV3Alarm(cx ctlCtx, cmd string, as ...string) error {
cmdArgs := append(cx.PrefixArgs(), "alarm", cmd)
return spawnWithExpects(cmdArgs, as...)
}