mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
90 lines
2.1 KiB
Go
90 lines
2.1 KiB
Go
// Copyright 2018 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 "strings"
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type kvExec struct {
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key, val string
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execOutput string
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}
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func setupWatchArgs(cx ctlCtx, args []string) []string {
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cmdArgs := append(cx.PrefixArgs(), "watch")
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if cx.interactive {
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cmdArgs = append(cmdArgs, "--interactive")
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} else {
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cmdArgs = append(cmdArgs, args...)
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}
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return cmdArgs
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}
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func ctlV3Watch(cx ctlCtx, args []string, kvs ...kvExec) error {
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cmdArgs := setupWatchArgs(cx, args)
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proc, err := spawnCmd(cmdArgs)
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if err != nil {
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return err
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}
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if cx.interactive {
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wl := strings.Join(append([]string{"watch"}, args...), " ") + "\r"
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if err = proc.Send(wl); err != nil {
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return err
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}
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}
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for _, elem := range kvs {
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if _, err = proc.Expect(elem.key); err != nil {
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return err
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}
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if _, err = proc.Expect(elem.val); err != nil {
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return err
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}
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if elem.execOutput != "" {
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if _, err = proc.Expect(elem.execOutput); err != nil {
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return err
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}
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}
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}
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return proc.Stop()
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}
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func ctlV3WatchFailPerm(cx ctlCtx, args []string) error {
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cmdArgs := setupWatchArgs(cx, args)
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proc, err := spawnCmd(cmdArgs)
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if err != nil {
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return err
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}
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if cx.interactive {
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wl := strings.Join(append([]string{"watch"}, args...), " ") + "\r"
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if err = proc.Send(wl); err != nil {
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return err
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}
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}
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// TODO(mitake): after printing accurate error message that includes
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// "permission denied", the above string argument of proc.Expect()
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// should be updated.
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_, err = proc.Expect("watch is canceled by the server")
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if err != nil {
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return err
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}
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return proc.Close()
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}
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