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Merge pull request #2821 from likebreath/1011/clh_console

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clh: Refine the usage of guest console and kernel parameters with Cloud Hypervisor
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GabyCT 2021-10-13 13:36:32 -05:00 committed by GitHub
commit 5c7e1b457c
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1 changed files with 8 additions and 5 deletions
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13
src/runtime/virtcontainers/clh.go
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@ -257,6 +257,9 @@ func (clh *cloudHypervisor) createSandbox(ctx context.Context, id string, networ
// Followed by extra debug parameters if debug enabled in configuration file
if clh.config.Debug {
params = append(params, clhDebugKernelParams...)
} else {
// start the guest kernel with 'quiet' in non-debug mode
params = append(params, Param{"quiet", ""})
}
// Followed by extra kernel parameters defined in the configuration file
@ -285,11 +288,12 @@ func (clh *cloudHypervisor) createSandbox(ctx context.Context, id string, networ
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 {
clh.vmconfig.Serial = chclient.NewConsoleConfig(cctTTY)
} else {
clh.vmconfig.Serial = chclient.NewConsoleConfig(cctNULL)
clh.vmconfig.Serial = chclient.NewConsoleConfig(cctOFF)
}
clh.vmconfig.Console = chclient.NewConsoleConfig(cctOFF)
@ -988,9 +992,8 @@ func (clh *cloudHypervisor) launchClh() (int, error) {
//###########################################################################
const (
cctOFF string = "Off"
cctNULL string = "Null"
cctTTY string = "Tty"
cctOFF string = "Off"
cctTTY string = "Tty"
)
const (