mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
101 lines
2.5 KiB
Go
101 lines
2.5 KiB
Go
// Copyright 2016 The etcd Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package e2e
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import (
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"os"
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"strings"
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"testing"
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"time"
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"github.com/coreos/etcd/clientv3"
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"golang.org/x/net/context"
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)
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func TestCtlV3Alarm(t *testing.T) {
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// The boltdb minimum working set is six pages.
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testCtl(t, alarmTest, withQuota(int64(13*os.Getpagesize())))
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}
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func alarmTest(cx ctlCtx) {
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// test small put still works
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smallbuf := strings.Repeat("a", 64)
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if err := ctlV3Put(cx, "1st_test", smallbuf, ""); err != nil {
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cx.t.Fatal(err)
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}
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// write some chunks to fill up the database
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buf := strings.Repeat("b", int(os.Getpagesize()))
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for {
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if err := ctlV3Put(cx, "2nd_test", buf, ""); err != nil {
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if !strings.Contains(err.Error(), "etcdserver: mvcc: database space exceeded") {
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cx.t.Fatal(err)
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}
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break
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}
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}
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// quota alarm should now be on
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if err := ctlV3Alarm(cx, "list", "alarm:NOSPACE"); err != nil {
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cx.t.Fatal(err)
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}
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// check that Put is rejected when alarm is on
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if err := ctlV3Put(cx, "3rd_test", smallbuf, ""); err != nil {
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if !strings.Contains(err.Error(), "etcdserver: mvcc: database space exceeded") {
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cx.t.Fatal(err)
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}
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}
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eps := cx.epc.grpcEndpoints()
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// get latest revision to compact
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cli, err := clientv3.New(clientv3.Config{
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Endpoints: eps,
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DialTimeout: 3 * time.Second,
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})
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if err != nil {
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cx.t.Fatal(err)
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}
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defer cli.Close()
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sresp, err := cli.Status(context.TODO(), eps[0])
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if err != nil {
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cx.t.Fatal(err)
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}
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// make some space
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if err := ctlV3Compact(cx, sresp.Header.Revision, true); err != nil {
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cx.t.Fatal(err)
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}
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if err := ctlV3Defrag(cx); err != nil {
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cx.t.Fatal(err)
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}
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// turn off alarm
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if err := ctlV3Alarm(cx, "disarm", "alarm:NOSPACE"); err != nil {
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cx.t.Fatal(err)
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}
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// put one more key below quota
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if err := ctlV3Put(cx, "4th_test", smallbuf, ""); err != nil {
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cx.t.Fatal(err)
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}
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}
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func ctlV3Alarm(cx ctlCtx, cmd string, as ...string) error {
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cmdArgs := append(cx.PrefixArgs(), "alarm", cmd)
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return spawnWithExpects(cmdArgs, as...)
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}
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