[PATCH] testbot: Allow running a second, higher privilege TestAgentd.

[Francois Gouget]

By convention it shall run on $AgentPort+1.
This makes it possible to run the tests in an unprivileged account,
while still having a TestAgentd server with high enough privileges to
adjust the VM clock.

Signed-off-by: Francois Gouget 
---
 testbot/bin/WineRunTask.pl     | 10 ++++++++--
 testbot/lib/WineTestBot/VMs.pm |  8 +++++---
 2 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/testbot/bin/WineRunTask.pl b/testbot/bin/WineRunTask.pl
index 88c3b5884..4f69a1e4e 100755
--- a/testbot/bin/WineRunTask.pl
+++ b/testbot/bin/WineRunTask.pl
@@ -372,8 +372,14 @@ my $TA = $VM->GetAgent();
 Debug(Elapsed($Start), " Setting the time\n");
 if (!$TA->SetTime())
 {
-  # Not a fatal error
-  LogTaskError("Unable to set the VM system time: ". $TA->GetLastError() .". Maybe the TestAgentd process is missing the required privileges.\n");
+  # Not a fatal error. Try the next port in case the VM runs a privileged
+  # TestAgentd daemon there.
+  my $PrivilegedTA = $VM->GetAgent(1);
+  if (!$PrivilegedTA->SetTime())
+  {
+    LogTaskError("Unable to set the VM system time: ". $PrivilegedTA->GetLastError() .". Maybe the TestAgentd process is missing the required privileges.\n");
+    $PrivilegedTA->Disconnect();
+  }
 }

my $FileType = $Step->FileType;
diff --git a/testbot/lib/WineTestBot/VMs.pm b/testbot/lib/WineTestBot/VMs.pm
index e93208201..e74640bf2 100644
--- a/testbot/lib/WineTestBot/VMs.pm
+++ b/testbot/lib/WineTestBot/VMs.pm
@@ -208,9 +208,9 @@ sub GetDomain($)
   return LibvirtDomain->new($self);
 }

-sub GetAgent($)
+sub GetAgent($;$)
 {
-  my ($self) = @_;
+  my ($self, $Privileged) = @_;

# Use either the tunnel specified in the configuration file
   # or autodetect the settings based on the VM's VirtURI setting.
@@ -226,7 +226,9 @@ sub GetAgent($)
     $TunnelInfo->{sshport}  = $ParsedURI->port;
     $TunnelInfo->{username} = $ParsedURI->userinfo;
   }
-  return TestAgent->new($self->Hostname, $AgentPort, $TunnelInfo);
+  my $Port = $AgentPort;
+  $Port++ if ($Privileged);
+  return TestAgent->new($self->Hostname, $Port, $TunnelInfo);
 }

sub Status($;$)