Re: [virt-install PATCH 3/4] guest: Deal with network install resources

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On 3/8/19 11:20 AM, Fabiano Fidêncio wrote:
> Let's add two new methods to deal with network install resources so
> those can be set from the installer.
> 
> Signed-off-by: Fabiano Fidêncio <fidencio@xxxxxxxxxx>
> ---
>  virtinst/guest.py | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
> 
> diff --git a/virtinst/guest.py b/virtinst/guest.py
> index 2cca3e8d..2bbc7809 100644
> --- a/virtinst/guest.py
> +++ b/virtinst/guest.py
> @@ -167,6 +167,9 @@ class Guest(XMLBuilder):
>          self._capsinfo = None
>          self._domcaps = None
>  
> +        self._running_memory = None
> +        self._network_install_memory = None
> +
>  
>      ######################
>      # Property accessors #
> @@ -645,6 +648,13 @@ class Guest(XMLBuilder):
>          self._add_implied_controllers()
>          self._add_spice_devices()
>  
> +    def set_network_install_resources(self):
> +        if self._network_install_memory and self._network_install_memory > self.memory:
> +            self.memory = self._network_install_memory
> +
> +    def unset_network_install_resources(self):
> +        self.memory = self._running_memory
> +        self.maxmemory = self._running_memory
>  
>      ########################
>      # Private xml routines #
> @@ -659,6 +669,10 @@ class Guest(XMLBuilder):
>          if not self.vcpus:
>              self.vcpus = res.get('n-cpus') if res and res.get('n-cpus') > 0 else 1
>  
> +        self._running_memory = self.memory
> +        res = self.osinfo.get_network_install_resources(self)
> +        if res and res.get('ram') > 0:
> +            self._network_install_memory = res['ram'] // 1024
>  >      def _set_default_machine(self):
>          if self.os.machine:
> 

This should all live in installer.py. See _prepare_get_install_xml,
_finish_get_install_xml, and _get_install_xml, where we already have
some light infrastructure to set and restore changes to the guest XML.
Also log a message when we actually set and restore the XML so there's a
clear trail of it in the logs

Thanks,
Cole

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