WL#2789 "Instance Manager: test using mysql-test-run testing framework"

1) Add support to testing Instance Manager in daemon mode;
2) Don't run Instance Manager tests when running with --ps-protocol option;


mysql-test/lib/mtr_cases.pl:
  WL#2789 "Instance Manager: test using mysql-test-run testing framework"
  Skip/disable Instance Manager tests in the following cases:
    - we are testing embedded server;
    - we are running with --ps-protocol;
    - Instance Manager executable does not exist;
  Report about the reason in the standard way.
mysql-test/lib/mtr_process.pl:
  WL#2789 "Instance Manager: test using mysql-test-run testing framework"
  Make several attempts (i.e. send several signals to process) while trying to kill it.
mysql-test/mysql-test-run.pl:
  WL#2789 "Instance Manager: test using mysql-test-run testing framework"
  Add support for testing Instance Manager in daemon mode.

mysql-test/lib/mtr_cases.pl

@@ -61,22 +61,6 @@ sub collect_test_cases ($) {
         $elem= $tname;
         $tname =~ s/\.imtest$//;
         $component_id= 'im';
-
-        if ( $::glob_use_embedded_server )
-        {
-          mtr_report(
-            "Instance Manager's tests are not available in embedded mode." .
-            "Test case '$tname' is skipped.");
-          next;
-        }
-
-        unless ( $::exe_im )
-        {
-          mtr_report(
-            "Instance Manager executable is unavailable. " .
-            "Test case '$tname' is skipped.");
-          next;
-        }
       }
 
       # If target component is known, check that the specified test case
@@ -115,7 +99,7 @@ sub collect_test_cases ($) {
           $component_id= 'im';
         }
       }
-      
+
       collect_one_test_case($testdir,$resdir,$tname,$elem,$cases,{},
         $component_id);
     }
@@ -403,6 +387,34 @@ sub collect_one_test_case($$$$$$$) {
     $tinfo->{'comment'}= mtr_fromfile($disabled_file);
   }
 
+  if ( $component_id eq 'im' )
+  {
+    if ( $::glob_use_embedded_server )
+    {
+      $tinfo->{'skip'}= 1;
+      
+      mtr_report(
+        "Instance Manager tests are not available in embedded mode. " .
+        "Test case '$tname' is skipped.");
+    }
+    elsif ( $::opt_ps_protocol )
+    {
+      $tinfo->{'skip'}= 1;
+      
+      mtr_report(
+        "Instance Manager tests are not run with --ps-protocol. " .
+        "Test case '$tname' is skipped.");
+    }
+    elsif ( !$::exe_im )
+    {
+      $tinfo->{'skip'}= 1;
+
+      mtr_report(
+        "Instance Manager executable is unavailable." .
+        "Test case '$tname' is skipped.");
+    }
+  }
+
   # We can't restart a running server that may be in use
 
   if ( $::glob_use_running_server and

mysql-test/lib/mtr_process.pl

@@ -848,14 +848,16 @@ sub sleep_until_file_created ($$$) {
 sub mtr_kill_processes ($) {
   my $pids = shift;
 
-  foreach my $sig (15,9)
+  foreach my $sig (15, 9)
   {
-    my $retries= 20;                    # FIXME 20 seconds, this is silly!
-    kill($sig, @{$pids});
-    while ( $retries-- and  kill(0, @{$pids}) )
+    my $retries= 10;
+    while (1)
     {
-      mtr_debug("Sleep 1 second waiting for processes to die");
-      sleep(1)                      # Wait one second
+      kill($sig, @{$pids});
+      last unless kill (0, @{$pids}) and $retries--;
+
+      mtr_debug("Sleep 2 second waiting for processes to die");
+      sleep(2);
     }
   }
 }

mysql-test/mysql-test-run.pl

@@ -1017,10 +1017,14 @@ sub environment_setup () {
 # $ENV{'MYSQL_TCP_PORT'}=     '@MYSQL_TCP_PORT@'; # FIXME
   $ENV{'MYSQL_TCP_PORT'}=     3306;
 
+  $ENV{'IM_PATH_PID'}=        $instance_manager->{path_pid};
+
   $ENV{'IM_MYSQLD1_SOCK'}=    $instance_manager->{instances}->[0]->{path_sock};
   $ENV{'IM_MYSQLD1_PORT'}=    $instance_manager->{instances}->[0]->{port};
+  $ENV{'IM_MYSQLD1_PATH_PID'}=$instance_manager->{instances}->[0]->{path_pid};
   $ENV{'IM_MYSQLD2_SOCK'}=    $instance_manager->{instances}->[1]->{path_sock};
   $ENV{'IM_MYSQLD2_PORT'}=    $instance_manager->{instances}->[1]->{port};
+  $ENV{'IM_MYSQLD2_PATH_PID'}=$instance_manager->{instances}->[1]->{path_pid};
 
   if ( $glob_cygwin_perl )
   {
@@ -2317,6 +2321,12 @@ sub im_stop($) {
     return;
   }
 
+  # Re-read pid from the file, since during tests Instance Manager could have
+  # been restarted, so its pid could have been changed.
+
+  $instance_manager->{'pid'} =
+    mtr_get_pid_from_file($instance_manager->{'path_pid'});
+
   # Inspired from mtr_stop_mysqld_servers().
 
   start_reap_all();