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resource_network_adapter.go
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resource_network_adapter.go
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package ddcloud
import (
"fmt"
"log"
"github.com/DimensionDataResearch/dd-cloud-compute-terraform/models"
"github.com/DimensionDataResearch/dd-cloud-compute-terraform/retry"
"github.com/DimensionDataResearch/go-dd-cloud-compute/compute"
"github.com/hashicorp/terraform/helper/schema"
)
const (
resourceKeyNetworkAdapterServerID = "server"
resourceKeyNetworkAdapterMACAddress = "mac"
resourceKeyNetworkAdapterKey = "mac"
resourceKeyNetworkAdapterVLANID = "vlan"
resourceKeyNetworkAdapterPrivateIPV4 = "ipv4"
resourceKeyNetworkAdapterPrivateIPV6 = "ipv6"
resourceKeyNetworkAdapterType = "type"
)
func resourceNetworkAdapter() *schema.Resource {
return &schema.Resource{
Create: resourceNetworkAdapterCreate,
Exists: resourceNetworkAdapterExists,
Read: resourceNetworkAdapterRead,
Update: resourceNetworkAdapterUpdate,
Delete: resourceNetworkAdapterDelete,
Importer: &schema.ResourceImporter{
State: resourceNetworkAdapterImport,
},
Schema: map[string]*schema.Schema{
resourceKeyNetworkAdapterServerID: &schema.Schema{
Type: schema.TypeString,
Required: true,
Description: "ID of the server to which the additional nics needs to be updated",
},
resourceKeyNetworkAdapterVLANID: &schema.Schema{
Type: schema.TypeString,
Computed: true,
Optional: true,
Description: "VLAN ID of the nic",
ForceNew: true,
},
resourceKeyNetworkAdapterPrivateIPV4: &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
Description: "Private IPV4 address for the nic",
},
resourceKeyNetworkAdapterPrivateIPV6: &schema.Schema{
Type: schema.TypeString,
Computed: true,
Description: "Private IPV6 Address for the nic",
},
resourceKeyNetworkAdapterType: &schema.Schema{
Type: schema.TypeString,
Optional: true,
Default: nil,
Description: "The type of network adapter (E1000 or VMXNET3)",
ValidateFunc: validateNetworkAdapterAdapterType,
},
},
}
}
func resourceNetworkAdapterCreate(data *schema.ResourceData, provider interface{}) error {
propertyHelper := propertyHelper(data)
serverID := data.Get(resourceKeyNetworkAdapterServerID).(string)
ipv4Address := data.Get(resourceKeyNetworkAdapterPrivateIPV4).(string)
vlanID := data.Get(resourceKeyNetworkAdapterVLANID).(string)
adapterType := propertyHelper.GetOptionalString(resourceKeyNetworkAdapterType, false)
log.Printf("Configure additional nics for server '%s'...", serverID)
providerState := provider.(*providerState)
apiClient := providerState.Client()
server, err := apiClient.GetServer(serverID)
if err != nil {
return err
}
if server == nil {
return fmt.Errorf("cannot find server with '%s'", serverID)
}
isStarted := server.Started
if isStarted {
err = serverShutdown(providerState, serverID)
if err != nil {
return err
}
}
log.Printf("Add network adapter to server '%s'...", serverID)
var networkAdapterID string
operationDescription := fmt.Sprintf("Add network adapter to server '%s'", serverID)
err = providerState.RetryAction(operationDescription, func(context retry.Context) {
asyncLock := providerState.AcquireAsyncOperationLock(operationDescription)
defer asyncLock.Release()
var addError error
if adapterType != nil {
networkAdapterID, addError = apiClient.AddNicWithTypeToServer(serverID, ipv4Address, vlanID, *adapterType)
} else {
networkAdapterID, addError = apiClient.AddNicToServer(serverID, ipv4Address, vlanID)
}
if compute.IsResourceBusyError(addError) {
context.Retry()
} else if addError != nil {
context.Fail(addError)
}
asyncLock.Release()
})
if err != nil {
return err
}
data.SetId(networkAdapterID)
log.Printf("Adding network adapter '%s' to server '%s'...",
networkAdapterID,
serverID,
)
_, err = apiClient.WaitForChange(
compute.ResourceTypeServer,
serverID,
"Add network adapter",
resourceUpdateTimeoutServer,
)
if err != nil {
return err
}
log.Printf("created the nic with the id %s", networkAdapterID)
if isStarted {
err = serverStart(providerState, serverID)
if err != nil {
return err
}
}
log.Printf("Refresh properties for network adapter '%s' in server '%s'", networkAdapterID, serverID)
server, err = apiClient.GetServer(serverID)
if err != nil {
return err
}
if server == nil {
return fmt.Errorf("cannot find server '%s'", serverID)
}
serverNetworkAdapters := models.NewNetworkAdaptersFromVirtualMachineNetwork(server.Network)
serverNetworkAdapter := serverNetworkAdapters.GetByID(networkAdapterID)
if serverNetworkAdapter == nil {
data.SetId("") // NetworkAdapter deleted
return fmt.Errorf("Newly-created network adapter (Id = '%s') not found", networkAdapterID)
}
if err != nil {
return err
}
data.Set(resourceKeyNetworkAdapterPrivateIPV4, serverNetworkAdapter.PrivateIPv4Address)
data.Set(resourceKeyNetworkAdapterVLANID, serverNetworkAdapter.VLANID)
data.Set(resourceKeyNetworkAdapterPrivateIPV6, serverNetworkAdapter.PrivateIPv6Address)
data.Set(resourceKeyNetworkAdapterPrivateIPV4, serverNetworkAdapter.PrivateIPv4Address)
return nil
}
func resourceNetworkAdapterExists(data *schema.ResourceData, provider interface{}) (bool, error) {
nicID := data.Id()
serverID := data.Get(resourceKeyNetworkAdapterServerID).(string)
apiClient := provider.(*providerState).Client()
log.Printf("Get the server with Id %s", serverID)
server, err := apiClient.GetServer(serverID)
if server == nil {
log.Printf("Server '%s' not found; will treat network adapter '%s' as non-existent.", serverID, nicID)
return false, nil
}
if err != nil {
return false, err
}
serverNetworkAdapters := server.Network.AdditionalNetworkAdapters
for _, nic := range serverNetworkAdapters {
if *nic.ID == nicID {
return true, nil
}
}
return false, nil
}
func resourceNetworkAdapterRead(data *schema.ResourceData, provider interface{}) error {
networkAdapterID := data.Id()
serverID := data.Get(resourceKeyNetworkAdapterServerID).(string)
log.Printf("Get the server with the ID %s", serverID)
providerState := provider.(*providerState)
apiClient := providerState.Client()
server, err := apiClient.GetServer(serverID)
if err != nil {
return err
}
if server == nil {
return fmt.Errorf("Server '%s' not found", serverID)
}
serverNetworkAdapter := models.NewNetworkAdaptersFromVirtualMachineNetwork(server.Network).GetByID(networkAdapterID)
if serverNetworkAdapter == nil {
log.Printf("Network adapter with Id '%s' was not found in server %s (will treat as deleted).",
networkAdapterID,
serverID,
)
data.SetId("") // Deleted.
return nil
}
data.Set(resourceKeyNetworkAdapterPrivateIPV4, serverNetworkAdapter.PrivateIPv4Address)
data.Set(resourceKeyNetworkAdapterVLANID, serverNetworkAdapter.VLANID)
data.Set(resourceKeyNetworkAdapterPrivateIPV6, serverNetworkAdapter.PrivateIPv6Address)
data.Set(resourceKeyNetworkAdapterPrivateIPV4, serverNetworkAdapter.PrivateIPv4Address)
return nil
}
func resourceNetworkAdapterUpdate(data *schema.ResourceData, provider interface{}) error {
networkAdapterID := data.Id()
serverID := data.Get(resourceKeyNetworkAdapterServerID).(string)
providerState := provider.(*providerState)
apiClient := providerState.Client()
server, err := apiClient.GetServer(serverID)
if err != nil {
return err
}
if server == nil {
return fmt.Errorf("Server '%s' not found", serverID)
}
serverNetworkAdapter := models.NewNetworkAdaptersFromVirtualMachineNetwork(server.Network).GetByID(networkAdapterID)
if serverNetworkAdapter == nil {
log.Printf("Network adapter '%s' not found in server '%s'; will treat as deleted.",
networkAdapterID,
serverID,
)
data.SetId("")
return nil
}
configuredNetworkAdapter := propertyHelper(data).GetNetworkAdapter()
if data.HasChange(resourceKeyNetworkAdapterPrivateIPV4) {
err := modifyServerNetworkAdapterIP(providerState, serverID, configuredNetworkAdapter)
if err != nil {
return err
}
}
if data.HasChange(resourceKeyNetworkAdapterType) {
err := modifyServerNetworkAdapterType(providerState, serverID, configuredNetworkAdapter)
if err != nil {
return err
}
}
return nil
}
func resourceNetworkAdapterDelete(data *schema.ResourceData, provider interface{}) error {
networkAdapterID := data.Id()
serverID := data.Get(resourceKeyNetworkAdapterServerID).(string)
providerState := provider.(*providerState)
apiClient := providerState.Client()
log.Printf("Remove network adapter '%s' from server '%s'.", networkAdapterID, serverID)
server, err := apiClient.GetServer(serverID)
if err != nil {
return err
}
if server == nil {
return fmt.Errorf("cannot find server '%s'", serverID)
}
serverNetworkAdapter := models.NewNetworkAdaptersFromVirtualMachineNetwork(server.Network).GetByID(networkAdapterID)
if serverNetworkAdapter == nil {
log.Printf("Network adapter '%s' not found in server '%s' (will treat as deleted).",
networkAdapterID,
serverID,
)
return nil
}
isStarted := server.Started
if isStarted {
err = serverShutdown(providerState, serverID)
if err != nil {
return err
}
}
operationDescription := fmt.Sprintf("Remove network adapter '%s' from server '%s'", networkAdapterID, serverID)
err = providerState.RetryAction(operationDescription, func(context retry.Context) {
asyncLock := providerState.AcquireAsyncOperationLock(operationDescription)
defer asyncLock.Release()
removeError := apiClient.RemoveNicFromServer(networkAdapterID)
if removeError == nil {
if compute.IsResourceBusyError(removeError) {
context.Retry()
} else {
context.Fail(removeError)
}
}
})
if err != nil {
return err
}
log.Printf("Removing network adapter '%s' from server '%s'...",
networkAdapterID,
serverID,
)
_, err = apiClient.WaitForChange(
compute.ResourceTypeServer,
serverID,
"Remove nic",
resourceUpdateTimeoutServer,
)
if err != nil {
return err
}
data.SetId("") // Resource deleted.
log.Printf("Removed network adapter '%s' from server '%s'.",
networkAdapterID,
serverID,
)
if isStarted {
err = serverStart(providerState, serverID)
if err != nil {
return err
}
}
return nil
}
// Import data for an existing network adapter.
func resourceNetworkAdapterImport(data *schema.ResourceData, provider interface{}) (importedData []*schema.ResourceData, err error) {
providerState := provider.(*providerState)
apiClient := providerState.Client()
networkAdapterID := data.Id()
serverID := data.Get(resourceKeyNetworkAdapterServerID).(string)
log.Printf("Import network adapter '%s' in server '%s'.", networkAdapterID, serverID)
server, err := apiClient.GetServer(serverID)
if err != nil {
return
}
if server == nil {
err = fmt.Errorf("Server '%s' not found", serverID)
return
}
serverNetworkAdapter := models.NewNetworkAdaptersFromVirtualMachineNetwork(server.Network).GetByID(networkAdapterID)
if serverNetworkAdapter == nil {
err = fmt.Errorf("Network adapter '%s' not found in server '%s'", networkAdapterID, serverID)
return
}
data.Set(resourceKeyNetworkAdapterType, serverNetworkAdapter.AdapterType)
data.Set(resourceKeyNetworkAdapterMACAddress, serverNetworkAdapter.MACAddress)
data.Set(resourceKeyNetworkAdapterVLANID, serverNetworkAdapter.VLANID)
data.Set(resourceKeyNetworkAdapterPrivateIPV4, serverNetworkAdapter.PrivateIPv4Address)
data.Set(resourceKeyNetworkAdapterPrivateIPV6, serverNetworkAdapter.PrivateIPv6Address)
importedData = []*schema.ResourceData{data}
return
}
func validateNetworkAdapterAdapterType(value interface{}, propertyName string) (messages []string, errors []error) {
if value == nil {
return
}
adapterType, ok := value.(string)
if !ok {
errors = append(errors,
fmt.Errorf("Unexpected value type '%v'", value),
)
return
}
switch adapterType {
case compute.NetworkAdapterTypeE1000:
case compute.NetworkAdapterTypeE1000E:
case compute.NetworkAdapterTypeEnhancedVMXNET2:
case compute.NetworkAdapterTypeFlexiblePCNET32:
case compute.NetworkAdapterTypeVMXNET3:
break
default:
errors = append(errors,
fmt.Errorf("invalid network adapter type '%s'", value),
)
}
return
}