Some distros (as Fedora, RHEL, and CentOS) require a bigger amount of
RAM during network installation than the recommended amount to run the
system.
In order to properly have it set, let's take advantages of the libosinfo
network-install resources API and change the guest amount of ram for the
installation.
Signed-off-by: Fabiano Fidêncio <fidencio@xxxxxxxxxx>
---
virtinst/installer.py | 32 ++++++++++++++++++++++++++------
1 file changed, 26 insertions(+), 6 deletions(-)
diff --git a/virtinst/installer.py b/virtinst/installer.py
index 67cdfb29..b8c048f1 100644
--- a/virtinst/installer.py
+++ b/virtinst/installer.py
@@ -152,6 +152,23 @@ class Installer(object):
else:
guest.os.bootorder = []
+ def _alter_install_resources(self, guest, meter):
+ """
+ Sets the appropriate amount of ram needed when performing a "network"
+ based installation
+
+ :param guest: Guest instance we are installing
+ """
+ if not self._treemedia:
+ return
+ if not self._treemedia.requires_internet(guest, meter):
+ return
+
+ res = guest.osinfo.get_network_install_resources(guest)
+ if res and res.get("ram") > 0 and res["ram"] // 1024 > guest.memory:
+ logging.debug("Setting ram from libosinfo network-install "
+ "resources: '%d'", res["ram"] // 1024)
+ guest.memory = res["ram"] // 1024
##########################
# Internal API overrides #
@@ -290,27 +307,30 @@ class Installer(object):
# set the install time properties but not permanently overwrite
# any config the user explicitly requested.
data = (guest.os.bootorder, guest.os.kernel, guest.os.initrd,
- guest.os.kernel_args, guest.on_reboot)
+ guest.os.kernel_args, guest.on_reboot, guest.memory,
+ guest.maxmemory)
return data
def _finish_get_install_xml(self, guest, data):
(guest.os.bootorder, guest.os.kernel, guest.os.initrd,
- guest.os.kernel_args, guest.on_reboot) = data
+ guest.os.kernel_args, guest.on_reboot, guest.memory,
+ guest.maxmemory) = data
- def _get_install_xml(self, guest):
+ def _get_install_xml(self, guest, meter):
data = self._prepare_get_install_xml(guest)
try:
self._alter_bootconfig(guest)
+ self._alter_install_resources(guest, meter)
ret = guest.get_xml()
return ret
finally:
self._remove_install_cdrom_media(guest)
self._finish_get_install_xml(guest, data)
- def _build_xml(self, guest):
+ def _build_xml(self, guest, meter):
install_xml = None
if self.has_install_phase():
- install_xml = self._get_install_xml(guest)
+ install_xml = self._get_install_xml(guest, meter)
final_xml = guest.get_xml()
logging.debug("Generated install XML: %s",
@@ -411,7 +431,7 @@ class Installer(object):
for dev in guest.devices.disk:
dev.build_storage(meter)
- install_xml, final_xml = self._build_xml(guest)
+ install_xml, final_xml = self._build_xml(guest, meter)
if return_xml:
return (install_xml, final_xml)
if dry:
--
2.20.1
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