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6e2fe84ebd
prefixArgs uses os.Setenv in e2e tests instead envMap. This creates overwrites in some test cases and have an impact on test quality and isolation between tests. This PR uses ctlcontext envMap in each tests with high priority and merges os environment variables with low priority.
106 lines
2.7 KiB
Go
106 lines
2.7 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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"context"
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"os"
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"strings"
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"testing"
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"time"
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"go.etcd.io/etcd/client/v3"
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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", 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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// '/health' handler should return 'false'
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if err := cURLGet(cx.epc, cURLReq{endpoint: "/health", expected: `{"health":"false","reason":"ALARM NOSPACE"}`}); err != nil {
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cx.t.Fatalf("failed get with curl (%v)", 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.EndpointsV3()
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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 := ctlV3OnlineDefrag(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, cx.envMap, as...)
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}
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