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resource_opentelekomcloud_nat_snat_rule_v2.go
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resource_opentelekomcloud_nat_snat_rule_v2.go
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package opentelekomcloud
import (
"fmt"
"log"
"time"
"github.com/hashicorp/terraform-plugin-sdk/helper/resource"
"github.com/hashicorp/terraform-plugin-sdk/helper/schema"
"github.com/huaweicloud/golangsdk"
"github.com/huaweicloud/golangsdk/openstack/networking/v2/extensions/snatrules"
)
func resourceNatSnatRuleV2() *schema.Resource {
return &schema.Resource{
Create: resourceNatSnatRuleV2Create,
Read: resourceNatSnatRuleV2Read,
Delete: resourceNatSnatRuleV2Delete,
Timeouts: &schema.ResourceTimeout{
Create: schema.DefaultTimeout(10 * time.Minute),
Delete: schema.DefaultTimeout(10 * time.Minute),
},
Schema: map[string]*schema.Schema{
"region": {
Type: schema.TypeString,
Optional: true,
Computed: true,
ForceNew: true,
},
"nat_gateway_id": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"network_id": {
Type: schema.TypeString,
Optional: true,
ForceNew: true,
},
"cidr": {
Type: schema.TypeString,
Optional: true,
ForceNew: true,
ValidateFunc: validateCIDR,
},
"source_type": {
Type: schema.TypeInt,
Optional: true,
ForceNew: true,
},
"floating_ip_id": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
},
}
}
func resourceNatSnatRuleV2Create(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
_, net_ok := d.GetOk("network_id")
_, cidr_ok := d.GetOk("cidr")
if !net_ok && !cidr_ok {
return fmt.Errorf("Both network_id and cidr are empty, must specify one of them.")
}
natV2Client, err := config.natV2Client(GetRegion(d, config))
if err != nil {
return fmt.Errorf("Error creating OpenTelekomCloud nat client: %s", err)
}
createOpts := &snatrules.CreateOpts{
NatGatewayID: d.Get("nat_gateway_id").(string),
NetworkID: d.Get("network_id").(string),
FloatingIPID: d.Get("floating_ip_id").(string),
SourceType: d.Get("source_type").(int),
Cidr: d.Get("cidr").(string),
}
log.Printf("[DEBUG] Create Options: %#v", createOpts)
snatRule, err := snatrules.Create(natV2Client, createOpts).Extract()
if err != nil {
return fmt.Errorf("Error creatting Snat Rule: %s", err)
}
log.Printf("[DEBUG] Waiting for OpenTelekomCloud Snat Rule (%s) to become available.", snatRule.ID)
stateConf := &resource.StateChangeConf{
Target: []string{"ACTIVE"},
Refresh: waitForSnatRuleActive(natV2Client, snatRule.ID),
Timeout: d.Timeout(schema.TimeoutCreate),
Delay: 5 * time.Second,
MinTimeout: 3 * time.Second,
}
_, err = stateConf.WaitForState()
if err != nil {
return fmt.Errorf("Error creating OpenTelekomCloud Snat Rule: %s", err)
}
d.SetId(snatRule.ID)
return resourceNatSnatRuleV2Read(d, meta)
}
func resourceNatSnatRuleV2Read(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
natV2Client, err := config.natV2Client(GetRegion(d, config))
if err != nil {
return fmt.Errorf("Error creating OpenTelekomCloud nat client: %s", err)
}
snatRule, err := snatrules.Get(natV2Client, d.Id()).Extract()
if err != nil {
return CheckDeleted(d, err, "Snat Rule")
}
d.Set("nat_gateway_id", snatRule.NatGatewayID)
d.Set("network_id", snatRule.NetworkID)
d.Set("floating_ip_id", snatRule.FloatingIPID)
d.Set("source_type", snatRule.SourceType)
d.Set("cidr", snatRule.Cidr)
d.Set("region", GetRegion(d, config))
return nil
}
func resourceNatSnatRuleV2Delete(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
natV2Client, err := config.natV2Client(GetRegion(d, config))
if err != nil {
return fmt.Errorf("Error creating OpenTelekomCloud nat client: %s", err)
}
stateConf := &resource.StateChangeConf{
Pending: []string{"ACTIVE"},
Target: []string{"DELETED"},
Refresh: waitForSnatRuleDelete(natV2Client, d.Id()),
Timeout: d.Timeout(schema.TimeoutDelete),
Delay: 5 * time.Second,
MinTimeout: 3 * time.Second,
}
_, err = stateConf.WaitForState()
if err != nil {
return fmt.Errorf("Error deleting OpenTelekomCloud Snat Rule: %s", err)
}
d.SetId("")
return nil
}
func waitForSnatRuleActive(natV2Client *golangsdk.ServiceClient, nId string) resource.StateRefreshFunc {
return func() (interface{}, string, error) {
n, err := snatrules.Get(natV2Client, nId).Extract()
if err != nil {
return nil, "", err
}
log.Printf("[DEBUG] OpenTelekomCloud Snat Rule: %+v", n)
if n.Status == "ACTIVE" {
return n, "ACTIVE", nil
}
return n, "", nil
}
}
func waitForSnatRuleDelete(natV2Client *golangsdk.ServiceClient, nId string) resource.StateRefreshFunc {
return func() (interface{}, string, error) {
log.Printf("[DEBUG] Attempting to delete OpenTelekomCloud Snat Rule %s.\n", nId)
n, err := snatrules.Get(natV2Client, nId).Extract()
if err != nil {
if _, ok := err.(golangsdk.ErrDefault404); ok {
log.Printf("[DEBUG] Successfully deleted OpenTelekomCloud Snat Rule %s", nId)
return n, "DELETED", nil
}
return n, "ACTIVE", err
}
err = snatrules.Delete(natV2Client, nId).ExtractErr()
if err != nil {
if _, ok := err.(golangsdk.ErrDefault404); ok {
log.Printf("[DEBUG] Successfully deleted OpenTelekomCloud Snat Rule %s", nId)
return n, "DELETED", nil
}
return n, "ACTIVE", err
}
log.Printf("[DEBUG] OpenTelekomCloud Snat Rule %s still active.\n", nId)
return n, "ACTIVE", nil
}
}