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For etcd-io#3894.
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// Copyright 2016 CoreOS, Inc. | ||
// | ||
// 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. | ||
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package e2e | ||
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import ( | ||
"testing" | ||
"time" | ||
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"github.com/coreos/etcd/pkg/fileutil" | ||
"github.com/coreos/etcd/pkg/testutil" | ||
) | ||
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func TestBasicOpsV2CtlWatchWithProxy(t *testing.T) { | ||
defer testutil.AfterTest(t) | ||
testProcessClusterV2CtlWatch( | ||
t, | ||
&etcdProcessClusterConfig{ | ||
clusterSize: 3, | ||
proxySize: 1, | ||
isClientTLS: false, | ||
isPeerTLS: false, | ||
initialToken: "new", | ||
}, | ||
false, | ||
) | ||
} | ||
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func TestBasicOpsV2CtlWatchWithProxyNoSync(t *testing.T) { | ||
defer testutil.AfterTest(t) | ||
testProcessClusterV2CtlWatch( | ||
t, | ||
&etcdProcessClusterConfig{ | ||
clusterSize: 3, | ||
proxySize: 1, | ||
isClientTLS: false, | ||
isPeerTLS: false, | ||
initialToken: "new", | ||
}, | ||
true, | ||
) | ||
} | ||
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func etcdctlSet(epc *etcdProcessCluster, key, value string, noSync bool) error { | ||
endpoint := "" | ||
if proxies := epc.proxies(); len(proxies) != 0 { | ||
endpoint = proxies[0].cfg.acurl.String() | ||
} else if backends := epc.backends(); len(backends) != 0 { | ||
endpoint = backends[0].cfg.acurl.String() | ||
} | ||
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putArgs := []string{"../bin/etcdctl", "--endpoint", endpoint} | ||
if noSync { | ||
putArgs = append(putArgs, "--no-sync") | ||
} | ||
putArgs = append(putArgs, "set", key, value) | ||
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return spawnWithExpect(putArgs, value) | ||
} | ||
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func etcdctlWatch(epc *etcdProcessCluster, key, value string, noSync bool, done chan struct{}, errChan chan error) { | ||
endpoint := "" | ||
if proxies := epc.proxies(); len(proxies) != 0 { | ||
endpoint = proxies[0].cfg.acurl.String() | ||
} else if backends := epc.backends(); len(backends) != 0 { | ||
endpoint = backends[0].cfg.acurl.String() | ||
} | ||
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watchArgs := []string{"../bin/etcdctl", "--endpoint", endpoint} | ||
if noSync { | ||
watchArgs = append(watchArgs, "--no-sync") | ||
} | ||
watchArgs = append(watchArgs, "watch", key) | ||
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if err := spawnWithExpect(watchArgs, value); err != nil { | ||
errChan <- err | ||
return | ||
} | ||
done <- struct{}{} | ||
} | ||
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func testProcessClusterV2CtlWatch(t *testing.T, cfg *etcdProcessClusterConfig, noSync bool) { | ||
if fileutil.Exist("../bin/etcdctl") == false { | ||
t.Fatalf("could not find etcdctl binary") | ||
} | ||
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epc, errC := newEtcdProcessCluster(cfg) | ||
if errC != nil { | ||
t.Fatalf("could not start etcd process cluster (%v)", errC) | ||
} | ||
defer func() { | ||
if errC := epc.Close(); errC != nil { | ||
t.Fatalf("error closing etcd processes (%v)", errC) | ||
} | ||
}() | ||
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key, value := "foo", "bar" | ||
done, errChan := make(chan struct{}), make(chan error) | ||
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go etcdctlWatch(epc, key, value, noSync, done, errChan) | ||
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if err := etcdctlSet(epc, key, value, noSync); err != nil { | ||
t.Fatalf("failed set (%v)", err) | ||
} | ||
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select { | ||
case <-done: | ||
return | ||
case err := <-errChan: | ||
t.Fatalf("failed watch (%v)", err) | ||
case <-time.After(2 * time.Second): | ||
t.Fatalf("watch timed out!") | ||
} | ||
} |