You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@vcl.apache.org by fa...@apache.org on 2010/04/28 22:02:40 UTC

svn commit: r939069 - /incubator/vcl/trunk/managementnode/lib/VCL/Module/Provisioning/xCAT2.pm

Author: fapeeler
Date: Wed Apr 28 20:02:39 2010
New Revision: 939069

URL: http://svn.apache.org/viewvc?rev=939069&view=rev
Log:
VCL-180

added power_off,power_on,power_status,power_reset,wait_for_on,wait_for_off routines


Modified:
    incubator/vcl/trunk/managementnode/lib/VCL/Module/Provisioning/xCAT2.pm

Modified: incubator/vcl/trunk/managementnode/lib/VCL/Module/Provisioning/xCAT2.pm
URL: http://svn.apache.org/viewvc/incubator/vcl/trunk/managementnode/lib/VCL/Module/Provisioning/xCAT2.pm?rev=939069&r1=939068&r2=939069&view=diff
==============================================================================
--- incubator/vcl/trunk/managementnode/lib/VCL/Module/Provisioning/xCAT2.pm (original)
+++ incubator/vcl/trunk/managementnode/lib/VCL/Module/Provisioning/xCAT2.pm Wed Apr 28 20:02:39 2010
@@ -2182,6 +2182,415 @@ sub _get_base_template_filename {
 
 #/////////////////////////////////////////////////////////////////////////////
 
+=head2 power_off
+
+ Parameters  : $computer_node_name (optional)
+ Returns     : 
+ Description : 
+
+=cut
+
+sub power_off {
+	my $argument_1 = shift;
+        my $argument_2 = shift;
+        
+        my $computer_node_name;
+
+        # Check if subroutine was called as an object method
+        if (ref($argument_1) =~ /xcat/i) {
+                my $self = $argument_1;
+
+                $computer_node_name = $argument_2;
+
+                # Check if computer argument was specified
+                # If not, use computer node name in the data object
+                if (!$computer_node_name) {
+                        $computer_node_name = $self->data->get_computer_node_name();
+                }
+        } ## end if (ref($argument_1) =~ /xcat/i)
+        else {
+                # Subroutine was not called as an object method, 2 arguments must be specified
+                $computer_node_name = $argument_1;
+        }
+
+        # Check if computer was determined
+        if (!$computer_node_name) {
+                notify($ERRORS{'WARNING'}, 0, "computer could not be determined from arguments");                
+		return;
+        }
+
+        # Turn computer off
+        my $power_status = 'unknown';
+        my $off_attempts = 0;
+        while ($power_status !~ /off/) {
+                $off_attempts++;
+
+                if ($off_attempts == 3) {
+                        notify($ERRORS{'WARNING'}, 0, "failed to turn $computer_node_name off, rpower status not is off aft er 3 attempts");
+                        return;
+                }
+                
+                # Attempt to run rpower <node> off
+                _rpower($computer_node_name, 'off');
+                
+                # Wait up to 1 minute for the computer power status to be off
+                if (wait_for_off($computer_node_name, 1)) {
+                        last;
+                }
+
+                $power_status = power_status($computer_node_name);
+        } ## end while ($power_status !~ /off/)
+        notify($ERRORS{'OK'}, 0, "successfully powered off $computer_node_name");
+        return 1;
+} ## end sub power_off
+
+#/////////////////////////////////////////////////////////////////////////////
+
+=head2 power_status
+
+ Parameters  : $computer_node_name (optional)
+ Returns     : 
+ Description : 
+
+=cut
+
+sub power_status {
+        my $argument_1 = shift;
+        my $argument_2 = shift;
+
+        my $computer_node_name;
+
+        # Check if subroutine was called as an object method
+        if (ref($argument_1) =~ /xcat/i) {
+                my $self = $argument_1;
+
+                $computer_node_name = $argument_2;
+
+                # Check if computer argument was specified
+                # If not, use computer node name in the data object
+                if (!$computer_node_name) {
+                        $computer_node_name = $self->data->get_computer_node_name();
+                }
+        } ## end if (ref($argument_1) =~ /xcat/i)
+        else {
+                # Subroutine was not called as an object method, 2 arguments must be specified
+                $computer_node_name = $argument_1;
+        }
+
+        # Check if computer was determined
+        if (!$computer_node_name) {
+                notify($ERRORS{'WARNING'}, 0, "computer could not be determined from arguments");
+                return;
+        }
+
+        # Call rpower to determine power status
+        my $rpower_stat = _rpower($computer_node_name, 'stat');
+        notify($ERRORS{'DEBUG'}, 0, "retrieved power status of $computer_node_name: $rpower_stat");
+
+        if (!$rpower_stat) {
+                notify($ERRORS{'WARNING'}, 0, "failed to determine power status, rpower subroutine returned $rpower_stat");
+                return;
+        }
+        elsif ($rpower_stat =~ /^(on|off)$/i) {
+                return lc($1);
+        }
+        else {
+                notify($ERRORS{'WARNING'}, 0, "failed to determine power status, unexpected output returned from rpower: $rpower_stat");
+                return;
+        }
+} ## end sub power_status
+
+
+#/////////////////////////////////////////////////////////////////////////////
+
+=head2 power_reset
+
+ Parameters  : $computer_node_name (optional)
+ Returns     : 
+ Description : 
+
+=cut
+
+sub power_reset {
+        my $argument_1 = shift;
+        my $argument_2 = shift;
+
+        my $computer_node_name;
+
+        # Check if subroutine was called as an object method
+        if (ref($argument_1) =~ /xcat/i) {
+                my $self = $argument_1;
+
+                $computer_node_name = $argument_2;
+
+                # Check if computer argument was specified
+                # If not, use computer node name in the data object
+                if (!$computer_node_name) {
+                        $computer_node_name = $self->data->get_computer_node_name();
+                }
+        } ## end if (ref($argument_1) =~ /xcat/i)
+        else {
+                # Subroutine was not called as an object method, 2 arguments must be specified
+                $computer_node_name = $argument_1;
+        }
+
+        # Check if computer was determined
+        if (!$computer_node_name) {
+                notify($ERRORS{'WARNING'}, 0, "computer could not be determined from arguments");
+                return;
+        }
+
+        # Turn computer off
+        my $off_attempts = 0;
+        while (!power_off($computer_node_name)) {
+                $off_attempts++;
+
+                if ($off_attempts == 3) {
+                        notify($ERRORS{'WARNING'}, 0, "failed to turn $computer_node_name off, rpower status not is off after 3 attempts");
+                        return;
+                }
+                sleep 2;
+        } ## end while (!power_off($computer_node_name))
+
+        # Turn computer on
+        my $on_attempts = 0;
+        while (!power_on($computer_node_name)) {
+                $on_attempts++;
+                if ($on_attempts == 3) {
+                        notify($ERRORS{'WARNING'}, 0, "failed to turn $computer_node_name on, rpower status not is on after 3 attempts");
+                        return;
+                }
+
+                sleep 2;
+        } ## end while (!power_on($computer_node_name))
+
+        notify($ERRORS{'OK'}, 0, "successfully reset power on $computer_node_name");
+        return 1;
+} ## end sub power_reset
+
+#/////////////////////////////////////////////////////////////////////////////
+
+=head2 power_on
+
+ Parameters  : $computer_node_name (optional)
+ Returns     : 
+ Description : 
+
+=cut
+
+sub power_on {
+        my $argument_1 = shift;
+        my $argument_2 = shift;
+
+        my $computer_node_name;
+
+        # Check if subroutine was called as an object method
+        if (ref($argument_1) =~ /xcat/i) {
+                my $self = $argument_1;
+
+                $computer_node_name = $argument_2;
+
+                # Check if computer argument was specified
+                # If not, use computer node name in the data object
+                if (!$computer_node_name) {
+                        $computer_node_name = $self->data->get_computer_node_name();
+                }
+        } ## end if (ref($argument_1) =~ /xcat/i)
+        else {
+                # Subroutine was not called as an object method, 2 arguments must be specified
+                $computer_node_name = $argument_1;
+        }
+
+        # Check if computer was determined
+        if (!$computer_node_name) {
+                notify($ERRORS{'WARNING'}, 0, "computer could not be determined from arguments");
+                return;
+        }
+
+        # Turn computer on
+        my $on_attempts  = 0;
+        my $power_status = 'unknown';
+        while ($power_status !~ /on/) {
+                $on_attempts++;
+
+                if ($on_attempts == 3) {
+                        notify($ERRORS{'WARNING'}, 0, "failed to turn $computer_node_name on, rpower status not is on after 3 attempts");
+                        return;
+                }
+
+                _rpower($computer_node_name, 'on');
+                
+                # Wait up to 1 minute for the computer power status to be on
+                if (wait_for_on($computer_node_name, 1)) {
+                        last;
+                }
+
+                $power_status = power_status($computer_node_name);
+        } ## end while ($power_status !~ /on/)
+
+        notify($ERRORS{'OK'}, 0, "successfully powered on $computer_node_name");
+        return 1;
+} ## end sub power_on
+#/////////////////////////////////////////////////////////////////////////////
+
+=head2 wait_for_on
+
+ Parameters  : Maximum number of minutes to wait (optional)
+ Returns     : 1 if computer is on, 0 otherwise
+ Description : 
+
+=cut
+
+sub wait_for_on {
+        my $argument_1 = shift;
+        my $argument_2 = shift;
+        my $argument_3 = shift;
+        
+        my $self;
+        my $computer_node_name;
+        my $total_wait_minutes;
+        
+        # Check if subroutine was called as an object method
+        if (ref($argument_1) =~ /xcat/i) {
+                $self = $argument_1;
+
+                if (defined $argument_3) {
+                        $computer_node_name = $argument_2;
+                        $total_wait_minutes = $argument_3;
+                }
+                else {
+                        $computer_node_name = $self->data->get_computer_node_name();
+                        $total_wait_minutes = $argument_2;
+                }
+
+        } ## end if (ref($argument_1) =~ /xcat/i)
+        else {
+                # Subroutine was not called as an object method, 2 arguments must be specified
+                $computer_node_name = $argument_1;
+                $total_wait_minutes = $argument_2;
+        }
+
+        # Check if computer was determined
+        if (!$computer_node_name) {
+                notify($ERRORS{'WARNING'}, 0, "computer could not be determined from arguments");
+                return;
+        }
+
+        # Make sure total wait minutes was determined
+        if (!defined($total_wait_minutes) || $total_wait_minutes !~ /^\d+$/) {
+                notify($ERRORS{'DEBUG'}, 0, "total wait minutes argument not specified, using default of 5 minutes");
+                $total_wait_minutes = 5;
+        }
+
+        # Looping configuration variables        # Seconds to wait in between loop attempts
+        my $attempt_delay = 15;
+        # Total loop attempts made
+        # Add 1 to the number of attempts because if you're waiting for x intervals, you check x+1 times including at 0
+        my $attempts = ($total_wait_minutes * 4) + 1;
+
+        notify($ERRORS{'OK'}, 0, "waiting for $computer_node_name to turn on, maximum of $total_wait_minutes minutes");
+
+        # Loop until computer is on
+	        for (my $attempt = 1; $attempt <= $attempts; $attempt++) {
+                if ($attempt > 1) {
+                        notify($ERRORS{'OK'}, 0, "attempt " . ($attempt - 1) . "/" . ($attempts - 1) . ": $computer_node_name is not on, sleeping for $attempt_delay seconds");
+                        sleep $attempt_delay;
+                }
+
+                if (power_status($computer_node_name) =~ /on/i) {
+                        notify($ERRORS{'OK'}, 0, "$computer_node_name is on");
+                        return 1;
+                }
+        } ## end for (my $attempt = 1; $attempt <= $attempts...
+
+        # Calculate how long this waited
+        my $total_wait = ($attempts * $attempt_delay);
+        notify($ERRORS{'WARNING'}, 0, "$computer_node_name is NOT on after waiting for $total_wait seconds");
+        return 0;
+} ## end sub wait_for_on
+
+#/////////////////////////////////////////////////////////////////////////////
+
+=head2 wait_for_off
+
+ Parameters  : Maximum number of minutes to wait (optional)
+ Returns     : 1 if computer is off, 0 otherwise
+ Description : 
+
+=cut
+
+sub wait_for_off {
+        my $argument_1 = shift;
+        my $argument_2 = shift;
+        my $argument_3 = shift;
+        
+        my $self;
+        my $computer_node_name;
+        my $total_wait_minutes;
+        
+        # Check if subroutine was called as an object method
+        if (ref($argument_1) =~ /xcat/i) {
+                $self = $argument_1;
+
+                if (defined $argument_3) {
+                        $computer_node_name = $argument_2;
+                        $total_wait_minutes = $argument_3;
+                }
+                else {
+                        $computer_node_name = $self->data->get_computer_node_name();
+                        $total_wait_minutes = $argument_2;
+                }
+
+        } ## end if (ref($argument_1) =~ /xcat/i)
+        else {
+                # Subroutine was not called as an object method, 2 arguments must be specified
+                $computer_node_name = $argument_1;
+                $total_wait_minutes = $argument_2;
+        }
+
+        # Check if computer was determined
+        if (!$computer_node_name) {
+                notify($ERRORS{'WARNING'}, 0, "computer could not be determined from arguments");
+                return;
+        }
+
+        # Make sure total wait minutes was determined
+        if (!defined($total_wait_minutes) || $total_wait_minutes !~ /^\d+$/) {
+                notify($ERRORS{'DEBUG'}, 0, "total wait minutes argument not specified, using default of 5 minutes");
+                $total_wait_minutes = 5;
+        }
+
+        # Looping configuration variables
+        # Seconds to wait in between loop attempts
+        my $attempt_delay = 15;
+        # Total loop attempts made
+        # Add 1 to the number of attempts because if you're waiting for x intervals, you check x+1 times including at 0
+        my $attempts = ($total_wait_minutes * 4) + 1;
+
+        notify($ERRORS{'OK'}, 0, "waiting for $computer_node_name to turn off, maximum of $total_wait_minutes minutes");
+
+        # Loop until computer is off
+        for (my $attempt = 1; $attempt <= $attempts; $attempt++) {
+                if ($attempt > 1) {
+                        notify($ERRORS{'OK'}, 0, "attempt " . ($attempt - 1) . "/" . ($attempts - 1) . ": $computer_node_name is not off, sleeping for $attempt_delay seconds");
+                        sleep $attempt_delay;
+                }
+
+                if (power_status($computer_node_name) =~ /off/i) {
+                        notify($ERRORS{'OK'}, 0, "$computer_node_name is off");
+                        return 1;
+                }
+        } ## end for (my $attempt = 1; $attempt <= $attempts...
+
+        # Calculate how long this waited
+        my $total_wait = ($attempts * $attempt_delay);
+        notify($ERRORS{'WARNING'}, 0, "$computer_node_name is NOT off after waiting for $total_wait seconds");
+        return 0;
+} ## end sub wait_for_off
+
+
+#/////////////////////////////////////////////////////////////////////////////
+
 initialize() if (!$XCAT_ROOT);
 
 #/////////////////////////////////////////////////////////////////////////////