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authorAshley Cui <acui@redhat.com>2021-04-28 14:18:28 -0400
committerAshley Cui <acui@redhat.com>2021-04-28 15:09:10 -0400
commit53057d5c20b2abf7ffc672972cbc83018ba0ed6c (patch)
treee0dbb98e5d80dc8726d5bf5ad8640be5edc60f02 /cmd/podman/machine/start.go
parent476c76f580d5cd092ff958765af36857b2a68d6c (diff)
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Check if another VM is running on machine start
Only one VM can be up at a time. If another VM is running, or the current VM is running, error out on a podman machine start [NO TESTS NEEDED] Signed-off-by: Ashley Cui <acui@redhat.com>
Diffstat (limited to 'cmd/podman/machine/start.go')
-rw-r--r--cmd/podman/machine/start.go13
1 files changed, 13 insertions, 0 deletions
diff --git a/cmd/podman/machine/start.go b/cmd/podman/machine/start.go
index d06e04f41..4334cfc0f 100644
--- a/cmd/podman/machine/start.go
+++ b/cmd/podman/machine/start.go
@@ -7,6 +7,7 @@ import (
"github.com/containers/podman/v3/pkg/domain/entities"
"github.com/containers/podman/v3/pkg/machine"
"github.com/containers/podman/v3/pkg/machine/qemu"
+ "github.com/pkg/errors"
"github.com/spf13/cobra"
)
@@ -40,6 +41,18 @@ func start(cmd *cobra.Command, args []string) error {
if len(args) > 0 && len(args[0]) > 0 {
vmName = args[0]
}
+
+ // We only have qemu VM's for now
+ active, activeName, err := qemu.CheckActiveVM()
+ if err != nil {
+ return err
+ }
+ if active {
+ if vmName == activeName {
+ return errors.Wrapf(machine.ErrVMAlreadyRunning, "cannot start VM %s", vmName)
+ }
+ return errors.Wrapf(machine.ErrMultipleActiveVM, "cannot start VM %s. VM %s is currently running", vmName, activeName)
+ }
switch vmType {
default:
vm, err = qemu.LoadVMByName(vmName)