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virtcontainers: clh: Turn-off serial and virtio-console by default

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We will need to have console output from the guest only for debugging
purposes. As a result, we can turn-off both the serial and
virtio-console devices by default for better boot time.

Fixes: #2820

Signed-off-by: Bo Chen <chen.bo@intel.com>
This commit is contained in:
Bo Chen 2021-10-11 17:38:45 -07:00
parent 88affdb7b7
commit 3e24e46c70
1 changed files with 5 additions and 5 deletions
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6
src/runtime/virtcontainers/clh.go
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@ -285,11 +285,12 @@ func (clh *cloudHypervisor) createSandbox(ctx context.Context, id string, networ
clh.vmconfig.Pmem = &[]chclient.PmemConfig{*pmem} clh.vmconfig.Pmem = &[]chclient.PmemConfig{*pmem}
} }
// set the serial console to the cloud hypervisor // Use serial port as the guest console only in debug mode,
// so that we can gather early OS booting log
if clh.config.Debug { if clh.config.Debug {
clh.vmconfig.Serial = chclient.NewConsoleConfig(cctTTY) clh.vmconfig.Serial = chclient.NewConsoleConfig(cctTTY)
} else { } else {
clh.vmconfig.Serial = chclient.NewConsoleConfig(cctNULL) clh.vmconfig.Serial = chclient.NewConsoleConfig(cctOFF)
} }
clh.vmconfig.Console = chclient.NewConsoleConfig(cctOFF) clh.vmconfig.Console = chclient.NewConsoleConfig(cctOFF)
@ -989,7 +990,6 @@ func (clh *cloudHypervisor) launchClh() (int, error) {
const ( const (
cctOFF string = "Off" cctOFF string = "Off"
cctNULL string = "Null"
cctTTY string = "Tty" cctTTY string = "Tty"
) )