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UBUNTU: [Packaging] Bind hv_vss_daemon startup to hv_vss device 

BugLink: https://bugs.launchpad.net/bugs/1891224

Update the systemd service for the vss daemon and add a new udev rule
to ensure the service will not fail in case vss is not enabled for the
guest.

The udev rules is responsible for starting the service only when the
vss device is available. In the unit file, the service is now bound to
the device unit, so the service can be stopped if the device is
removed. And the service is also conditioned to the existence of the
device, this way we avoid starting and stopping the service during
boot if the device is not available.

Signed-off-by: Marcelo Henrique Cerri <marcelo.cerri@canonical.com>
Acked-by: Stefan Bader <stefan.bader@canonical.com>
Acked-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: Kelsey Skunberg <kelsey.skunberg@canonical.com>
This commit is contained in:
Marcelo Henrique Cerri 2020-08-24 13:59:47 -03:00 committed by Thadeu Lima de Souza Cascardo
parent 57baa877ee
commit e8d92bd801
3 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
debian/linux-cloud-tools-common.hv-vss-daemon.service vendored
View File

@ -4,6 +4,8 @@
[Unit]
Description=Hyper-V VSS Protocol Daemon
ConditionVirtualization=microsoft
ConditionPathExists=/dev/vmbus/hv_vss
BindsTo=sys-devices-virtual-misc-vmbus\x21hv_vss.device
[Service]
ExecStart=/usr/sbin/hv_vss_daemon -n

1
debian/linux-cloud-tools-common.hv-vss-daemon.udev vendored Normal file
View File

@ -0,0 +1 @@
SUBSYSTEM=="misc", KERNEL=="vmbus/hv_vss", TAG+="systemd", ENV{SYSTEMD_WANTS}+="hv-vss-daemon.service"

1
debian/rules.d/3-binary-indep.mk vendored
View File

@ -201,6 +201,7 @@ ifeq ($(do_tools_hyperv),true)
dh_installinit -p$(cloudpkg) -n --name hv-vss-daemon
dh_installinit -p$(cloudpkg) -n --name hv-fcopy-daemon
dh_installudev -p$(cloudpkg) -n --name hv-kvp-daemon
dh_installudev -p$(cloudpkg) -n --name hv-vss-daemon
dh_systemd_enable -p$(cloudpkg)
dh_installinit -p$(cloudpkg) -o --name hv-kvp-daemon
dh_installinit -p$(cloudpkg) -o --name hv-vss-daemon