/
import.go
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/
import.go
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package cmd
import (
"context"
"encoding/json"
"fmt"
"strings"
VMImportV1 "github.com/harvester/vm-import-controller/pkg/apis/migration.harvesterhci.io/v1beta1"
rcmd "github.com/rancher/cli/cmd"
"github.com/sirupsen/logrus"
"github.com/urfave/cli/v2"
corev1 "k8s.io/api/core/v1"
v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
)
var (
harvesterMigrationAPIGroup = "migration.harvesterhci.io/v1beta1"
)
type VMImportData struct {
Name string
VMName string
SourceCluster string
ClusterType string
Status string
}
// Manages VM imports using vm-import-controller of Harvester
func ImportCommand() *cli.Command {
return &cli.Command{
Name: "import",
Usage: "Manage VM imports",
Subcommands: []*cli.Command{
importEnableCommand(),
importListCommand(),
importCreateCommand(),
importDeleteCommand(),
importSourceAddCommand(),
importSourceDeleteCommand(),
},
}
}
func importEnableCommand() *cli.Command {
return &cli.Command{
Name: "enable",
Usage: "Enable VM import",
Action: enableVMImport,
}
}
func importListCommand() *cli.Command {
return &cli.Command{
Name: "list",
Usage: "List VM imports",
Action: listVMImports,
}
}
func importCreateCommand() *cli.Command {
return &cli.Command{
Name: "create",
Usage: "Create VM import",
ArgsUsage: "VM_IMPORT_NAME",
Flags: []cli.Flag{
&cli.StringFlag{
Name: "vm-name",
Usage: "Name of the VM to import on target infrastructure",
Required: true,
EnvVars: []string{"HARVESTER_IMPORT_VM_NAME"},
},
&cli.StringSliceFlag{
Name: "network-mapping",
Usage: "Network mapping for the imported VM in the format <source-network-name>:<target-network-name>.",
Aliases: []string{"net-map"},
},
&cli.StringFlag{
Name: "source-cluster",
Usage: "Name of the source cluster to import the VM from",
Required: true,
EnvVars: []string{"HARVESTER_IMPORT_SOURCE_CLUSTER"},
},
&cli.StringFlag{
Name: "source-cluster-type",
Usage: "Type of the source cluster to import the VM from, this can take values of 'vmware' or 'openstack'",
Required: true,
EnvVars: []string{"HARVESTER_IMPORT_SOURCE_CLUSTER_TYPE"},
Value: "vmware",
},
&cli.StringFlag{
Name: "source-cluster-namespace",
Usage: "Namespace of the InfrastructureSource to be used for source cluster configuration",
Required: true,
EnvVars: []string{"HARVESTER_IMPORT_SOURCE_CLUSTER_NAMESPACE"},
},
},
Action: createVMImport,
}
}
func importSourceAddCommand() *cli.Command {
return &cli.Command{
Name: "source-add",
Usage: "Add a source cluster for VM import",
ArgsUsage: "VM_IMPORT_CLUSTER_NAME",
Flags: []cli.Flag{
&cli.StringFlag{
Name: "source-cluster-type",
Usage: "Type of the source cluster to import the VM from, this can take values of 'vmware' or 'openstack'",
Required: true,
EnvVars: []string{"HARVESTER_IMPORT_SOURCE_CLUSTER_TYPE"},
Value: "vmware",
},
&cli.StringFlag{
Name: "source-cluster-namespace",
Usage: "Namespace of the InfrastructureSource to be used for source cluster configuration",
Required: true,
EnvVars: []string{"HARVESTER_IMPORT_SOURCE_CLUSTER_NAMESPACE"},
},
&cli.StringFlag{
Name: "endpoint",
Usage: "Endpoint of the source cluster",
Required: true,
EnvVars: []string{"HARVESTER_IMPORT_SOURCE_CLUSTER_ENDPOINT"},
},
&cli.StringFlag{
Name: "dc",
Usage: "Datacenter of the source cluster",
Required: false,
EnvVars: []string{"HARVESTER_IMPORT_SOURCE_CLUSTER_DC"},
},
&cli.StringFlag{
Name: "region",
Usage: "Region of the source cluster",
Required: false,
EnvVars: []string{"HARVESTER_IMPORT_SOURCE_CLUSTER_REGION"},
},
&cli.StringFlag{
Name: "credentials-secret",
Usage: "Reference to the secret containing credentials for the source cluster in the format: <namespace>/<secret-name>",
Required: true,
EnvVars: []string{"HARVESTER_IMPORT_SOURCE_CLUSTER_CREDENTIALS_SECRET"},
},
},
Action: configureVMImport,
}
}
func importSourceDeleteCommand() *cli.Command {
return &cli.Command{
Name: "source-delete",
Usage: "Delete a source cluster for VM import",
ArgsUsage: "VM_IMPORT_CLUSTER_NAME",
Action: deleteVMImportSource,
Flags: []cli.Flag{
&cli.StringFlag{
Name: "namespace",
Aliases: []string{"n"},
Usage: "Namespace of the source cluster to be deleted",
},
&cli.StringFlag{
Name: "source-cluster-type",
Usage: "Type of the source cluster to import the VM from, this can take values of 'vmware' or 'openstack'",
Aliases: []string{"type"},
},
},
}
}
func importDeleteCommand() *cli.Command {
return &cli.Command{
Name: "delete",
Usage: "Delete VM import",
ArgsUsage: "VM_IMPORT_NAME",
Action: deleteVMImport,
Flags: []cli.Flag{
&cli.StringFlag{
Name: "namespace",
Aliases: []string{"n"},
Usage: "Namespace of the VM import to be deleted",
},
},
}
}
func enableVMImport(ctx *cli.Context) error {
c, err := GetHarvesterClient(ctx)
if err != nil {
return err
}
vmImportAddon, err := c.HarvesterhciV1beta1().Addons("harvester-system").Get(context.Background(), "vm-import-controller", v1.GetOptions{})
if err != nil {
return fmt.Errorf("failed to get vm-import-controller Addon resource in Harvester: %v", err)
}
if vmImportAddon.Spec.Enabled {
return nil
}
vmImportEnabled, err := c.HarvesterhciV1beta1().Addons("harvester-system").Patch(context.TODO(), "vm-import-controller", types.MergePatchType, []byte(`{"spec":{"enabled":true}}`), v1.PatchOptions{})
if err != nil || !vmImportEnabled.Spec.Enabled {
return fmt.Errorf("failed to enable vm-import-controller: %v", err)
}
return nil
}
// listVMImports lists all VM imports present in Harvester
func listVMImports(ctx *cli.Context) error {
c, err := GetHarvesterClient(ctx)
if err != nil {
return err
}
vmImportResultRaw, err := c.HarvesterhciV1beta1().RESTClient().Get().Resource("virtualmachineimports.migration").Namespace("harvester-system").DoRaw(context.Background())
if err != nil {
return fmt.Errorf("failed to list VM imports: %v", err)
}
var vmImportList VMImportV1.VirtualMachineImportList
err = json.Unmarshal(vmImportResultRaw, &vmImportList)
if err != nil {
return fmt.Errorf("failed to unmarshal VM import list: %v", err)
}
writer := rcmd.NewTableWriter([][]string{
{"NAME", "Name"},
{"VM NAME", "VMName"},
{"STATUS", "Status"},
{"SOURCE_CLUSTER", "SourceCluster"},
{"CLUSTER_TYPE", "ClusterType"},
}, ctxv1)
defer writer.Close()
for _, vmImport := range vmImportList.Items {
writer.Write(&VMImportData{
Name: vmImport.Name,
VMName: vmImport.Spec.VirtualMachineName,
Status: string(vmImport.Status.Status),
SourceCluster: vmImport.Spec.SourceCluster.Name,
ClusterType: vmImport.Spec.SourceCluster.Kind,
})
}
return writer.Err()
}
func configureVMImport(ctx *cli.Context) error {
if ctx.NArg() != 1 {
return fmt.Errorf("VM import name is required, only 1 argument is allowed")
}
c, err := GetHarvesterClient(ctx)
if err != nil {
return err
}
credentialsSplit := strings.Split(ctx.String("credentials-secret"), "/")
if len(credentialsSplit) != 2 {
return fmt.Errorf("invalid credentials-secret format: %v, must be <namespace>/<secret-name>", ctx.String("credentials-secret"))
}
credentialsNS := credentialsSplit[0]
credentialsName := credentialsSplit[1]
var resourceType string
var createVMSourceBody []byte
if ctx.String("source-cluster-type") == "vmware" {
if ctx.String("region") != "" {
return fmt.Errorf("region is not supported for vmware source cluster type")
}
if ctx.String("dc") == "" {
return fmt.Errorf("dc is required for vmware source cluster type")
}
resourceType = "vmwaresources"
vmWareSource := VMImportV1.VmwareSource{
TypeMeta: v1.TypeMeta{
Kind: "VmwareSource",
APIVersion: harvesterMigrationAPIGroup,
},
ObjectMeta: v1.ObjectMeta{
Name: ctx.Args().First(),
Namespace: "harvester-system",
},
Spec: VMImportV1.VmwareSourceSpec{
EndpointAddress: ctx.String("endpoint"),
Datacenter: ctx.String("dc"),
Credentials: corev1.SecretReference{
Name: credentialsName,
Namespace: credentialsNS,
},
},
}
createVMSourceBody, err = json.Marshal(vmWareSource)
if err != nil {
return fmt.Errorf("failed to marshal vmware source: %v", err)
}
} else if ctx.String("source-cluster-type") == "openstack" {
if ctx.String("dc") != "" {
return fmt.Errorf("dc is not supported for openstack source cluster type")
}
if ctx.String("region") == "" {
return fmt.Errorf("region is required for openstack source cluster type")
}
resourceType = "openstacksources"
openStackSource := VMImportV1.OpenstackSource{
TypeMeta: v1.TypeMeta{
Kind: "OpenstackSource",
APIVersion: harvesterMigrationAPIGroup,
},
ObjectMeta: v1.ObjectMeta{
Name: ctx.Args().First(),
Namespace: "harvester-system",
},
Spec: VMImportV1.OpenstackSourceSpec{
EndpointAddress: ctx.String("endpoint"),
Region: ctx.String("region"),
Credentials: corev1.SecretReference{
Name: credentialsName,
Namespace: credentialsNS,
},
},
}
createVMSourceBody, err = json.Marshal(openStackSource)
if err != nil {
return fmt.Errorf("failed to marshal openstack source: %v", err)
}
} else {
return fmt.Errorf("invalid source cluster type: %v, must be \"openstack\" or \"vmware\"", ctx.String("source-cluster-type"))
}
_, err = c.HarvesterhciV1beta1().RESTClient().Post().Resource(resourceType + ".migration").Namespace(ctx.String("source-cluster-namespace")).Body(createVMSourceBody).DoRaw(context.Background())
if err != nil {
return fmt.Errorf("failed to create %s for VM import: %v", resourceType, err)
}
logrus.Infof("VM import source created successfully (%s)", ctx.Args().First())
return nil
}
// deleteVMImportSource deletes a VM import source
func deleteVMImportSource(ctx *cli.Context) error {
if ctx.NArg() != 1 {
return fmt.Errorf("VM import name is required, only 1 argument is allowed")
}
c, err := GetHarvesterClient(ctx)
if err != nil {
return err
}
var resourceType string
if ctx.String("source-cluster-type") == "openstack" {
if ctx.String("dc") != "" {
return fmt.Errorf("dc is not supported for openstack source cluster type")
}
resourceType = "openstacksources"
} else if ctx.String("source-cluster-type") == "vmware" {
if ctx.String("region") != "" {
return fmt.Errorf("region is not supported for vmware source cluster type")
}
resourceType = "vmwaresources"
} else {
return fmt.Errorf("invalid source cluster type: %v, must be \"openstack\" or \"vmware\"", ctx.String("source-cluster-type"))
}
err = c.HarvesterhciV1beta1().RESTClient().Delete().Resource(resourceType + ".migration").Namespace(ctx.String("namespace")).Name(ctx.Args().First()).Do(context.Background()).Error()
if err != nil {
return fmt.Errorf("failed to delete %s for VM import: %v", resourceType, err)
}
logrus.Infof("VM import source deleted successfully (%s)", ctx.Args().First())
return nil
}
func createVMImport(ctx *cli.Context) error {
if ctx.NArg() != 1 {
return fmt.Errorf("VM import name is required, only 1 argument is allowed")
}
c, err := GetHarvesterClient(ctx)
if err != nil {
return err
}
var resourceKind string
if ctx.String("source-cluster-type") == "openstack" {
if ctx.String("dc") != "" {
return fmt.Errorf("dc is not supported for openstack source cluster type")
}
resourceKind = "OpenstackSource"
} else if ctx.String("source-cluster-type") == "vmware" {
if ctx.String("region") != "" {
return fmt.Errorf("region is not supported for vmware source cluster type")
}
resourceKind = "VmwareSource"
} else {
return fmt.Errorf("invalid source cluster type: %v, must be \"openstack\" or \"vmware\"", ctx.String("source-cluster-type"))
}
var netMap []VMImportV1.NetworkMapping
for _, mapping := range ctx.StringSlice("mapping") {
mappingSplit := strings.Split(mapping, ":")
if len(mappingSplit) != 2 {
return fmt.Errorf("invalid mapping format: %v, must be <source-network>:<target-network>", mapping)
}
netMap = append(netMap, VMImportV1.NetworkMapping{
SourceNetwork: mappingSplit[0],
DestinationNetwork: mappingSplit[1],
})
}
vmImport := VMImportV1.VirtualMachineImport{
TypeMeta: v1.TypeMeta{
Kind: "VirtualMachineImport",
APIVersion: harvesterMigrationAPIGroup,
},
ObjectMeta: v1.ObjectMeta{
Name: ctx.Args().First(),
Namespace: "harvester-system",
},
Spec: VMImportV1.VirtualMachineImportSpec{
SourceCluster: corev1.ObjectReference{
Name: ctx.String("source-cluster-name"),
Kind: resourceKind,
Namespace: ctx.String("source-cluster-namespace"),
APIVersion: harvesterMigrationAPIGroup,
},
VirtualMachineName: ctx.String("vm-name"),
Mapping: netMap,
},
}
createVMImportBody, err := json.Marshal(vmImport)
if err != nil {
return fmt.Errorf("failed to marshal vm import: %v", err)
}
_, err = c.HarvesterhciV1beta1().RESTClient().Post().Resource("virtualmachineimports.migration").Namespace(ctx.String("source-cluster-namespace")).Body(createVMImportBody).DoRaw(context.Background())
if err != nil {
return fmt.Errorf("failed to create vm import: %v", err)
}
logrus.Infof("VM import created successfully (%s)", ctx.Args().First())
return nil
}
// deleteVMImport deletes a VM import
func deleteVMImport(ctx *cli.Context) error {
if ctx.NArg() != 1 {
return fmt.Errorf("VM import name is required, only 1 argument is allowed")
}
c, err := GetHarvesterClient(ctx)
if err != nil {
return err
}
err = c.HarvesterhciV1beta1().RESTClient().Delete().Resource("virtualmachineimports.migration").Namespace(ctx.String("namespace")).Name(ctx.Args().First()).Do(context.Background()).Error()
if err != nil {
return fmt.Errorf("failed to delete vm import: %v", err)
}
logrus.Infof("VM import deleted successfully (%s)", ctx.Args().First())
return nil
}