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https://github.com/etcd-io/etcd.git
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fef4a79528
suppose a lease granting request from a follower goes through and followed by a lease look up or renewal, the leader might not apply the lease grant request locally. So the leader might not find the lease from the lease look up or renewal request which will result lease not found error. To fix this issue, we force the leader to apply its pending commited index before looking up lease. FIX #6978
128 lines
3.3 KiB
Go
128 lines
3.3 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 leasehttp
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import (
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"net/http"
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"net/http/httptest"
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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/lease"
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"github.com/coreos/etcd/mvcc/backend"
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"golang.org/x/net/context"
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)
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func TestRenewHTTP(t *testing.T) {
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be, tmpPath := backend.NewTmpBackend(time.Hour, 10000)
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defer os.Remove(tmpPath)
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defer be.Close()
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le := lease.NewLessor(be, int64(5))
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le.Promote(time.Second)
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l, err := le.Grant(1, int64(5))
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if err != nil {
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t.Fatalf("failed to create lease: %v", err)
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}
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ts := httptest.NewServer(NewHandler(le, waitReady))
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defer ts.Close()
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ttl, err := RenewHTTP(context.TODO(), l.ID, ts.URL+LeasePrefix, http.DefaultTransport)
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if err != nil {
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t.Fatal(err)
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}
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if ttl != 5 {
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t.Fatalf("ttl expected 5, got %d", ttl)
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}
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}
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func TestTimeToLiveHTTP(t *testing.T) {
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be, tmpPath := backend.NewTmpBackend(time.Hour, 10000)
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defer os.Remove(tmpPath)
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defer be.Close()
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le := lease.NewLessor(be, int64(5))
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le.Promote(time.Second)
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l, err := le.Grant(1, int64(5))
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if err != nil {
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t.Fatalf("failed to create lease: %v", err)
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}
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ts := httptest.NewServer(NewHandler(le, waitReady))
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defer ts.Close()
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resp, err := TimeToLiveHTTP(context.TODO(), l.ID, true, ts.URL+LeaseInternalPrefix, http.DefaultTransport)
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if err != nil {
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t.Fatal(err)
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}
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if resp.LeaseTimeToLiveResponse.ID != 1 {
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t.Fatalf("lease id expected 1, got %d", resp.LeaseTimeToLiveResponse.ID)
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}
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if resp.LeaseTimeToLiveResponse.GrantedTTL != 5 {
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t.Fatalf("granted TTL expected 5, got %d", resp.LeaseTimeToLiveResponse.GrantedTTL)
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}
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}
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func TestRenewHTTPTimeout(t *testing.T) {
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testApplyTimeout(t, func(l *lease.Lease, serverURL string) error {
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_, err := RenewHTTP(context.TODO(), l.ID, serverURL+LeasePrefix, http.DefaultTransport)
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return err
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})
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}
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func TestTimeToLiveHTTPTimeout(t *testing.T) {
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testApplyTimeout(t, func(l *lease.Lease, serverURL string) error {
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_, err := TimeToLiveHTTP(context.TODO(), l.ID, true, serverURL+LeaseInternalPrefix, http.DefaultTransport)
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return err
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})
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}
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func testApplyTimeout(t *testing.T, f func(*lease.Lease, string) error) {
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be, tmpPath := backend.NewTmpBackend(time.Hour, 10000)
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defer os.Remove(tmpPath)
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defer be.Close()
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le := lease.NewLessor(be, int64(5))
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le.Promote(time.Second)
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l, err := le.Grant(1, int64(5))
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if err != nil {
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t.Fatalf("failed to create lease: %v", err)
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}
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ts := httptest.NewServer(NewHandler(le, waitNotReady))
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defer ts.Close()
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err = f(l, ts.URL)
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if err == nil {
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t.Fatalf("expected timeout error, got nil")
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}
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if strings.Compare(err.Error(), ErrLeaseHTTPTimeout.Error()) != 0 {
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t.Fatalf("expected (%v), got (%v)", ErrLeaseHTTPTimeout.Error(), err.Error())
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}
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}
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func waitReady() <-chan struct{} {
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ch := make(chan struct{})
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close(ch)
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return ch
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}
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func waitNotReady() <-chan struct{} {
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return nil
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}
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