podman system reset removed machines incorrectly

podman system reset did not clean up machines fully, leaving some config
files, and breaking machines. Now it removes all machines files fully.

Signed-off-by: Ashley Cui <acui@redhat.com>

1 files changed, 76 insertions, 0 deletions

diff --git a/pkg/machine/qemu/machine.go b/pkg/machine/qemu/machine.go
index fe33e580c..6e36b0886 100644
--- a/pkg/machine/qemu/machine.go
+++ b/pkg/machine/qemu/machine.go
@@ -1544,3 +1544,79 @@ func (v *MachineVM) editCmdLine(flag string, value string) {
 		v.CmdLine = append(v.CmdLine, []string{flag, value}...)
 	}
 }
+
+// RemoveAndCleanMachines removes all machine and cleans up any other files associatied with podman machine
+func (p *Provider) RemoveAndCleanMachines() error {
+	var (
+		vm             machine.VM
+		listResponse   []*machine.ListResponse
+		opts           machine.ListOptions
+		destroyOptions machine.RemoveOptions
+	)
+	destroyOptions.Force = true
+	var prevErr error
+
+	listResponse, err := p.List(opts)
+	if err != nil {
+		return err
+	}
+
+	for _, mach := range listResponse {
+		vm, err = p.LoadVMByName(mach.Name)
+		if err != nil {
+			if prevErr != nil {
+				logrus.Error(prevErr)
+			}
+			prevErr = err
+		}
+		_, remove, err := vm.Remove(mach.Name, destroyOptions)
+		if err != nil {
+			if prevErr != nil {
+				logrus.Error(prevErr)
+			}
+			prevErr = err
+		} else {
+			if err := remove(); err != nil {
+				if prevErr != nil {
+					logrus.Error(prevErr)
+				}
+				prevErr = err
+			}
+		}
+	}
+
+	// Clean leftover files in data dir
+	dataDir, err := machine.DataDirPrefix()
+	if err != nil {
+		if prevErr != nil {
+			logrus.Error(prevErr)
+		}
+		prevErr = err
+	} else {
+		err := os.RemoveAll(dataDir)
+		if err != nil {
+			if prevErr != nil {
+				logrus.Error(prevErr)
+			}
+			prevErr = err
+		}
+	}
+
+	// Clean leftover files in conf dir
+	confDir, err := machine.ConfDirPrefix()
+	if err != nil {
+		if prevErr != nil {
+			logrus.Error(prevErr)
+		}
+		prevErr = err
+	} else {
+		err := os.RemoveAll(confDir)
+		if err != nil {
+			if prevErr != nil {
+				logrus.Error(prevErr)
+			}
+			prevErr = err
+		}
+	}
+	return prevErr
+}