Re: [Xen-devel] [OSSTEST PATCH 14/26] Nested hosts: Provide PDU power method

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Fri, 2015-09-25 at 20:15 +0100, Ian Jackson wrote:
> From: Robert Ho <robert.hu@xxxxxxxxx>
> 
> This `guest' power method uses VM create/destroy.  It is automatically
> used for nested hosts.  It would not make much sense to configure it
> manually.
> 
> For nested host/guest, its power on/off method shall be
> its host invoke $(toolstack)->create/destroy method.
> 
> XXX Missing Signed-off-by from Robert Hu
> Signed-off-by: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>

Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>

> ---
> v14: Mostly rewritten by iwj
> ---
>  Osstest/PDU/guest.pm   |   59
> ++++++++++++++++++++++++++++++++++++++++++++++++
>  Osstest/TestSupport.pm |    2 +-
>  2 files changed, 60 insertions(+), 1 deletion(-)
>  create mode 100755 Osstest/PDU/guest.pm
> 
> diff --git a/Osstest/PDU/guest.pm b/Osstest/PDU/guest.pm
> new file mode 100755
> index 0000000..b6bf9a1
> --- /dev/null
> +++ b/Osstest/PDU/guest.pm
> @@ -0,0 +1,59 @@
> +# This is part of "osstest", an automated testing framework for Xen.
> +# Copyright (C) 2015 Intel.
> +# 
> +# This program is free software: you can redistribute it and/or modify
> +# it under the terms of the GNU Affero General Public License as
> published by
> +# the Free Software Foundation, either version 3 of the License, or
> +# (at your option) any later version.
> +# 
> +# This program is distributed in the hope that it will be useful,
> +# but WITHOUT ANY WARRANTY; without even the implied warranty of
> +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> +# GNU Affero General Public License for more details.
> +# 
> +# You should have received a copy of the GNU Affero General Public
> License
> +# along with this program.  If not, see <http://www.gnu.org/licenses/>.
> +
> +
> +package Osstest::PDU::guest;
> +
> +use strict;
> +use warnings;
> +use Switch;
> +
> +use Osstest;
> +use Osstest::TestSupport;
> +use IO::File;
> +
> +BEGIN {
> +    use Exporter ();
> +    our ($VERSION, @ISA, @EXPORT, @EXPORT_OK, %EXPORT_TAGS);
> +    $VERSION     = 1.00;
> +    @ISA         = qw(Exporter);
> +    @EXPORT      = qw();
> +    %EXPORT_TAGS = ( );
> +
> +    @EXPORT_OK   = qw();
> +}
> +
> +sub new {
> +    my ($class, $ho) = @_;
> +    return bless { Target => $ho }, $class;
> +}
> +
> +sub pdu_power_state {
> +    my ($mo, $on) = @_;
> +
> +    my $child = $mo->{Target};
> +    my $parent = $child->{Host};
> +    die "$child->{Name} ?" unless $parent;
> +
> +    logm("power $child->{Name} nested on $parent->{Name} ".($on+0));
> +    if ($on) {
> +     toolstack($parent)->create($child);
> +    } else {
> +     toolstack($parent)->destroy($child);
> +    }
> +}
> +
> +1;
> diff --git a/Osstest/TestSupport.pm b/Osstest/TestSupport.pm
> index 9b10602..3025c9f 100644
> --- a/Osstest/TestSupport.pm
> +++ b/Osstest/TestSupport.pm
> @@ -855,7 +855,7 @@ sub selecthost ($) {
>       $child->{Info} = [ "in", $parent->{Name}, @{ $parent->{Info} }
> ];
>       $child->{NestingLevel} = $parent->{NestingLevel}+1;
>  
> -     # $child->{Power} = 'guest';   todo
> +     $child->{Power} = 'guest';
>       power_cycle_host_setup($child);
>  
>       $child->{Properties}{Serial} = 'noop'; # todo

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