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pkg/katautils: improve boot time disabling systemd units

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There are still some systemd units that fail to start for different
reasons. Disable these systemd units to improve boot time.

fixes #1686

Signed-off-by: Julio Montes <julio.montes@intel.com>
This commit is contained in:
Julio Montes 2019-05-15 12:01:45 -05:00
parent 86d51f59d4
commit a5e3550d4c
1 changed files with 17 additions and 0 deletions
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17
pkg/katautils/create.go
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@ -52,6 +52,10 @@ var noTraceKernelParam = []vc.Param{
Key: "systemd.mask", Key: "systemd.mask",
Value: "systemd-journal-flush.service", Value: "systemd-journal-flush.service",
}, },
{
Key: "systemd.mask",
Value: "systemd-journald-dev-log.socket",
},
// No udev events: agent implements udev events // No udev events: agent implements udev events
{ {
Key: "systemd.mask", Key: "systemd.mask",
@ -65,6 +69,14 @@ var noTraceKernelParam = []vc.Param{
Key: "systemd.mask", Key: "systemd.mask",
Value: "systemd-udev-trigger.service", Value: "systemd-udev-trigger.service",
}, },
{
Key: "systemd.mask",
Value: "systemd-udevd-kernel.socket",
},
{
Key: "systemd.mask",
Value: "systemd-udevd-control.socket",
},
// No timesync: kata is able to setup the time and this service consume network // No timesync: kata is able to setup the time and this service consume network
{ {
Key: "systemd.mask", Key: "systemd.mask",
@ -98,6 +110,11 @@ var noTraceKernelParam = []vc.Param{
Key: "systemd.mask", Key: "systemd.mask",
Value: "systemd-random-seed.service", Value: "systemd-random-seed.service",
}, },
// No coredump
{
Key: "systemd.mask",
Value: "systemd-coredump@.service",
},
} }
func getKernelParams(needSystemd, trace bool) []vc.Param { func getKernelParams(needSystemd, trace bool) []vc.Param {