fifoFromProcessEnv finds a fifo specified in the environment variables of an exec process
()
| 68 | |
| 69 | // fifoFromProcessEnv finds a fifo specified in the environment variables of an exec process |
| 70 | func fifoFromProcessEnv() (fifosync.Trigger, fifosync.Waiter, error) { |
| 71 | env, err := processEnvironment() |
| 72 | if err != nil { |
| 73 | return nil, nil, err |
| 74 | } |
| 75 | |
| 76 | readyName, ok := env[failpoint.DelayExecReadyEnv] |
| 77 | if !ok { |
| 78 | return nil, nil, fmt.Errorf("fifo: failed to find %q env var in %v", failpoint.DelayExecReadyEnv, env) |
| 79 | } |
| 80 | delayName, ok := env[failpoint.DelayExecDelayEnv] |
| 81 | if !ok { |
| 82 | return nil, nil, fmt.Errorf("fifo: failed to find %q env var in %v", failpoint.DelayExecDelayEnv, env) |
| 83 | } |
| 84 | logrus.WithField("ready", readyName).WithField("delay", delayName).Debug("Found FIFOs!") |
| 85 | readyFIFO, err := fifosync.NewTrigger(readyName, 0600) |
| 86 | if err != nil { |
| 87 | return nil, nil, err |
| 88 | } |
| 89 | delayFIFO, err := fifosync.NewWaiter(delayName, 0600) |
| 90 | if err != nil { |
| 91 | return nil, nil, err |
| 92 | } |
| 93 | return readyFIFO, delayFIFO, nil |
| 94 | } |
| 95 | |
| 96 | func processEnvironment() (map[string]string, error) { |
| 97 | idx := 2 |
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