125 lines
3.5 KiB
Go
125 lines
3.5 KiB
Go
package vcd
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import (
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"fmt"
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"github.com/hashicorp/terraform/helper/resource"
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"github.com/hashicorp/terraform/helper/schema"
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)
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func resourceVcdSNAT() *schema.Resource {
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return &schema.Resource{
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Create: resourceVcdSNATCreate,
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Delete: resourceVcdSNATDelete,
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Read: resourceVcdSNATRead,
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Schema: map[string]*schema.Schema{
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"edge_gateway": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ForceNew: true,
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},
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"external_ip": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ForceNew: true,
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},
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"internal_ip": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ForceNew: true,
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},
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},
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}
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}
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func resourceVcdSNATCreate(d *schema.ResourceData, meta interface{}) error {
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vcdClient := meta.(*VCDClient)
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// Multiple VCD components need to run operations on the Edge Gateway, as
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// the edge gatway will throw back an error if it is already performing an
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// operation we must wait until we can aquire a lock on the client
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vcdClient.Mutex.Lock()
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defer vcdClient.Mutex.Unlock()
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// Creating a loop to offer further protection from the edge gateway erroring
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// due to being busy eg another person is using another client so wouldn't be
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// constrained by out lock. If the edge gateway reurns with a busy error, wait
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// 3 seconds and then try again. Continue until a non-busy error or success
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edgeGateway, err := vcdClient.OrgVdc.FindEdgeGateway(d.Get("edge_gateway").(string))
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if err != nil {
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return fmt.Errorf("Unable to find edge gateway: %#v", err)
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}
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err = retryCall(vcdClient.MaxRetryTimeout, func() *resource.RetryError {
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task, err := edgeGateway.AddNATMapping("SNAT", d.Get("internal_ip").(string),
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d.Get("external_ip").(string),
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"any")
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if err != nil {
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return resource.RetryableError(fmt.Errorf("Error setting SNAT rules: %#v", err))
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}
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return resource.RetryableError(task.WaitTaskCompletion())
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})
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if err != nil {
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return err
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}
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d.SetId(d.Get("internal_ip").(string))
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return nil
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}
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func resourceVcdSNATRead(d *schema.ResourceData, meta interface{}) error {
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vcdClient := meta.(*VCDClient)
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e, err := vcdClient.OrgVdc.FindEdgeGateway(d.Get("edge_gateway").(string))
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if err != nil {
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return fmt.Errorf("Unable to find edge gateway: %#v", err)
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}
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var found bool
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for _, r := range e.EdgeGateway.Configuration.EdgeGatewayServiceConfiguration.NatService.NatRule {
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if r.RuleType == "SNAT" &&
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r.GatewayNatRule.OriginalIP == d.Id() {
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found = true
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d.Set("external_ip", r.GatewayNatRule.TranslatedIP)
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}
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}
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if !found {
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d.SetId("")
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}
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return nil
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}
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func resourceVcdSNATDelete(d *schema.ResourceData, meta interface{}) error {
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vcdClient := meta.(*VCDClient)
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// Multiple VCD components need to run operations on the Edge Gateway, as
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// the edge gatway will throw back an error if it is already performing an
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// operation we must wait until we can aquire a lock on the client
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vcdClient.Mutex.Lock()
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defer vcdClient.Mutex.Unlock()
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edgeGateway, err := vcdClient.OrgVdc.FindEdgeGateway(d.Get("edge_gateway").(string))
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if err != nil {
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return fmt.Errorf("Unable to find edge gateway: %#v", err)
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}
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err = retryCall(vcdClient.MaxRetryTimeout, func() *resource.RetryError {
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task, err := edgeGateway.RemoveNATMapping("SNAT", d.Get("internal_ip").(string),
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d.Get("external_ip").(string),
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"")
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if err != nil {
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return resource.RetryableError(fmt.Errorf("Error setting SNAT rules: %#v", err))
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}
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return resource.RetryableError(task.WaitTaskCompletion())
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})
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if err != nil {
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return err
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}
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return nil
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}
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