Github user neykov commented on a diff in the pull request:

    https://github.com/apache/brooklyn-server/pull/110#discussion_r59547487
  
    --- Diff: 
locations/jclouds/src/main/java/org/apache/brooklyn/location/jclouds/JcloudsLocation.java
 ---
    @@ -2742,14 +2743,41 @@ protected LoginCredentials 
waitForWinRmAvailable(final ComputeService computeSer
                 Callable<Boolean> checker = new Callable<Boolean>() {
                     public Boolean call() {
                         for (Map.Entry<WinRmMachineLocation, LoginCredentials> 
entry : machinesToTry.entrySet()) {
    -                        WinRmMachineLocation machine = entry.getKey();
    -                        WinRmToolResponse response = 
machine.executeCommand(
    -                                
ImmutableMap.of(WinRmTool.PROP_EXEC_TRIES.getName(), 1),
    -                                ImmutableList.of("echo testing"));
    -                        boolean success = (response.getStatusCode() == 0);
    -                        if (success) {
    -                            credsSuccessful.set(entry.getValue());
    -                            return true;
    +                        try {
    +                            final WinRmMachineLocation machine = 
entry.getKey();
    +                            WinRmToolResponse response = 
machine.executeCommand(
    +                                    
ImmutableMap.of(WinRmTool.PROP_EXEC_TRIES.getName(), 1),
    +                                    ImmutableList.of("echo testing"));
    +                            boolean success = (response.getStatusCode() == 
0);
    +                            if (success) {
    +                                credsSuccessful.set(entry.getValue());
    +                                Predicate<WinRmMachineLocation> 
pendingReboot = new Predicate<WinRmMachineLocation>() {
    +                                    @Override
    +                                    public boolean apply(@Nullable 
WinRmMachineLocation machine) {
    +                                        WinRmToolResponse response = 
machine.executeCommand("echo test");
    +                                        int statusCode = 
response.getStatusCode();
    +                                        return statusCode == 0;
    +                                    }
    +                                };
    +
    +                                String verifyWindowsUp = 
getConfig(WinRmMachineLocation.VERIFY_WINDOWS_UP);
    +                                if (Strings.isBlank(verifyWindowsUp) || 
verifyWindowsUp.equals("false")) {
    +                                    return true;
    +                                }
    +
    +                                Duration verifyWindowsUpTime = 
Duration.of(verifyWindowsUp);
    +
    +                                boolean restartHappened = 
Predicates2.retry(Predicates.not(pendingReboot), 
verifyWindowsUpTime.toSeconds(), 5, 60, TimeUnit.SECONDS).apply(machine);
    +
    +                                if (restartHappened) {
    +                                    LOG.info("windows machine have 
restarted {}", machine);
    +                                    return 
Predicates2.retry(pendingReboot, verifyWindowsUpTime.toSeconds(), 5, 60, 
TimeUnit.SECONDS).apply(machine);
    --- End diff --
    
    Better to use milliseconds - not practical to set such low values on the 
config, but it's possible. Better handle it - not much of a difference for the 
code.


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