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From 574984d5f86ee32b41ee591da49a0745335053fd Mon Sep 17 00:00:00 2001
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From: Kay Sievers <kay@vrfy.org>
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Date: Sun, 15 Mar 2015 19:44:59 +0100
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Subject: [PATCH] timesyncd: enable timesyncd in virtual machines
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On Fri, Mar 13, 2015 at 8:25 PM, Michael Marineau <michael.marineau@coreos.com> wrote:
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> Currently systemd-timesyncd.service includes
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> ConditionVirtualization=no, disabling it in both containers and
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> virtual machines. Each VM platform tends to deal with or ignore the
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> time problem in their own special ways, KVM/QEMU has the kernel time
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> source kvm-clock, Xen has had different schemes over the years, VMware
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> expects a userspace daemon sync the clock, and other platforms are
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> content to drift with the wind as far as I can tell.
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>
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> I don't know of a robust way to know if a platform needs a little
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> extra help from userspace to keep the clock sane or not but it seems
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> generally safer to try than to risk drifting. Does anyone know of a
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> reason to leave timesyncd off by default? Otherwise switching to
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> ConditionVirtualization=!container should be reasonable.
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(cherry picked from commit 4b16233e59b3edd8338819dad275cc94b5e5f6e7)
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---
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units/systemd-timesyncd.service.in | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/units/systemd-timesyncd.service.in b/units/systemd-timesyncd.service.in
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index 39edafc8d2..8219c95a08 100644
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--- a/units/systemd-timesyncd.service.in
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+++ b/units/systemd-timesyncd.service.in
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@@ -9,7 +9,7 @@
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Description=Network Time Synchronization
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Documentation=man:systemd-timesyncd.service(8)
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ConditionCapability=CAP_SYS_TIME
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-ConditionVirtualization=no
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+ConditionVirtualization=!container
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DefaultDependencies=no
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RequiresMountsFor=/var/lib/systemd/clock
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After=systemd-remount-fs.service systemd-tmpfiles-setup.service systemd-sysusers.service
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