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49 lines
2.0 KiB
49 lines
2.0 KiB
From 2d6e71e8d2d6f61f109566ff3148d3b1aa50c68c Mon Sep 17 00:00:00 2001
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From: Adam Williamson <awilliam@redhat.com>
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Date: Tue, 20 Aug 2019 15:39:04 -0700
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Subject: [PATCH] Allow special value 'once' for PXEBOOT, to PXE boot...once
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For a PXE install test, we want to boot PXE just the *first*
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time, then revert to default boot order (much like we boot
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once=d by default for optical media installs). This allows the
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special value 'once' for the PXEBOOT var to request this.
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Signed-off-by: Adam Williamson <awilliam@redhat.com>
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---
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backend/qemu.pm | 5 ++++-
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doc/backend_vars.asciidoc | 2 +-
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2 files changed, 5 insertions(+), 2 deletions(-)
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diff --git a/backend/qemu.pm b/backend/qemu.pm
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index ca576dd2..024e7a9a 100644
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--- a/backend/qemu.pm
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+++ b/backend/qemu.pm
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@@ -792,7 +792,10 @@ sub start_qemu {
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}
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if ($arch_supports_boot_order) {
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- if ($vars->{PXEBOOT}) {
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+ if ($vars->{PXEBOOT} eq 'once') {
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+ sp("boot", "once=n");
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+ }
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+ elsif ($vars->{PXEBOOT}) {
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sp("boot", "n");
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}
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elsif ($vars->{BOOTFROM}) {
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diff --git a/doc/backend_vars.asciidoc b/doc/backend_vars.asciidoc
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index cd8b9345..746e74e0 100644
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--- a/doc/backend_vars.asciidoc
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+++ b/doc/backend_vars.asciidoc
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@@ -78,7 +78,7 @@ OFW;boolean;0;QEMU Open Firmware is in use
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QEMU_OVERRIDE_VIDEO_DEVICE_AARCH64;boolean;undef;If set, for aarch64 systems use VGA as video adapter
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QEMU_DISABLE_SNAPSHOTS;boolean;undef;If set, disable snapshots in case the worker has slow disks to avoid save_vm calls failing due to timeouts (See https://bugzilla.suse.com/show_bug.cgi?id=1035453[bsc#1035453])
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PATHCNT;integer;2;Number of paths in MULTIPATH scenario
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-PXEBOOT;boolean;0;Boot VM from network
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+PXEBOOT;boolean or 'once';0;Boot VM from network, on every boot or only once if set to 'once'
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QEMU;QEMU binary filename;undef;Filename of QEMU binary to use
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QEMUCPU;see qemu -cpu ?;undef;CPU to emulate
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QEMUCPUS;integer;1;Number of CPUs to assign to VM
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--
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2.23.0.rc2
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