346 lines
10 KiB
Go
346 lines
10 KiB
Go
package openstack
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import (
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"bytes"
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"fmt"
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"log"
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"time"
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"github.com/hashicorp/terraform/helper/hashcode"
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"github.com/hashicorp/terraform/helper/resource"
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"github.com/hashicorp/terraform/helper/schema"
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"github.com/rackspace/gophercloud"
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"github.com/rackspace/gophercloud/openstack/compute/v2/extensions/secgroups"
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)
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func resourceComputeSecGroupV2() *schema.Resource {
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return &schema.Resource{
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Create: resourceComputeSecGroupV2Create,
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Read: resourceComputeSecGroupV2Read,
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Update: resourceComputeSecGroupV2Update,
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Delete: resourceComputeSecGroupV2Delete,
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Schema: map[string]*schema.Schema{
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"region": &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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DefaultFunc: envDefaultFuncAllowMissing("OS_REGION_NAME"),
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},
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"name": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ForceNew: false,
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},
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"description": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ForceNew: false,
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},
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"rule": &schema.Schema{
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Type: schema.TypeSet,
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Optional: true,
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Computed: true,
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Elem: &schema.Resource{
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Schema: map[string]*schema.Schema{
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"id": &schema.Schema{
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Type: schema.TypeString,
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Computed: true,
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},
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"from_port": &schema.Schema{
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Type: schema.TypeInt,
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Required: true,
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ForceNew: false,
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},
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"to_port": &schema.Schema{
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Type: schema.TypeInt,
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Required: true,
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ForceNew: false,
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},
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"ip_protocol": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ForceNew: false,
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},
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"cidr": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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ForceNew: false,
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},
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"from_group_id": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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ForceNew: false,
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},
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"self": &schema.Schema{
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Type: schema.TypeBool,
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Optional: true,
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Default: false,
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ForceNew: false,
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},
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},
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},
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Set: secgroupRuleV2Hash,
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},
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},
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}
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}
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func resourceComputeSecGroupV2Create(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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computeClient, err := config.computeV2Client(d.Get("region").(string))
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if err != nil {
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return fmt.Errorf("Error creating OpenStack compute client: %s", err)
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}
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createOpts := secgroups.CreateOpts{
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Name: d.Get("name").(string),
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Description: d.Get("description").(string),
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}
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log.Printf("[DEBUG] Create Options: %#v", createOpts)
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sg, err := secgroups.Create(computeClient, createOpts).Extract()
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if err != nil {
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return fmt.Errorf("Error creating OpenStack security group: %s", err)
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}
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d.SetId(sg.ID)
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createRuleOptsList := resourceSecGroupRulesV2(d)
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for _, createRuleOpts := range createRuleOptsList {
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_, err := secgroups.CreateRule(computeClient, createRuleOpts).Extract()
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if err != nil {
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return fmt.Errorf("Error creating OpenStack security group rule: %s", err)
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}
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}
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return resourceComputeSecGroupV2Read(d, meta)
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}
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func resourceComputeSecGroupV2Read(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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computeClient, err := config.computeV2Client(d.Get("region").(string))
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if err != nil {
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return fmt.Errorf("Error creating OpenStack compute client: %s", err)
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}
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sg, err := secgroups.Get(computeClient, d.Id()).Extract()
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if err != nil {
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return CheckDeleted(d, err, "security group")
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}
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d.Set("name", sg.Name)
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d.Set("description", sg.Description)
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rtm, err := rulesToMap(computeClient, d, sg.Rules)
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if err != nil {
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return err
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}
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log.Printf("[DEBUG] rulesToMap(sg.Rules): %+v", rtm)
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d.Set("rule", rtm)
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return nil
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}
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func resourceComputeSecGroupV2Update(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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computeClient, err := config.computeV2Client(d.Get("region").(string))
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if err != nil {
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return fmt.Errorf("Error creating OpenStack compute client: %s", err)
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}
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updateOpts := secgroups.UpdateOpts{
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Name: d.Get("name").(string),
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Description: d.Get("description").(string),
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}
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log.Printf("[DEBUG] Updating Security Group (%s) with options: %+v", d.Id(), updateOpts)
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_, err = secgroups.Update(computeClient, d.Id(), updateOpts).Extract()
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if err != nil {
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return fmt.Errorf("Error updating OpenStack security group (%s): %s", d.Id(), err)
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}
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if d.HasChange("rule") {
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oldSGRaw, newSGRaw := d.GetChange("rule")
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oldSGRSet, newSGRSet := oldSGRaw.(*schema.Set), newSGRaw.(*schema.Set)
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secgrouprulesToAdd := newSGRSet.Difference(oldSGRSet)
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secgrouprulesToRemove := oldSGRSet.Difference(newSGRSet)
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log.Printf("[DEBUG] Security group rules to add: %v", secgrouprulesToAdd)
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log.Printf("[DEBUG] Security groups rules to remove: %v", secgrouprulesToRemove)
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for _, rawRule := range secgrouprulesToAdd.List() {
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createRuleOpts := resourceSecGroupRuleCreateOptsV2(d, rawRule)
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rule, err := secgroups.CreateRule(computeClient, createRuleOpts).Extract()
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if err != nil {
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return fmt.Errorf("Error adding rule to OpenStack security group (%s): %s", d.Id(), err)
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}
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log.Printf("[DEBUG] Added rule (%s) to OpenStack security group (%s) ", rule.ID, d.Id())
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}
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for _, r := range secgrouprulesToRemove.List() {
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rule := resourceSecGroupRuleV2(d, r)
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err := secgroups.DeleteRule(computeClient, rule.ID).ExtractErr()
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if err != nil {
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errCode, ok := err.(*gophercloud.UnexpectedResponseCodeError)
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if !ok {
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return fmt.Errorf("Error removing rule (%s) from OpenStack security group (%s): %s", rule.ID, d.Id(), err)
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}
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if errCode.Actual == 404 {
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continue
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} else {
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return fmt.Errorf("Error removing rule (%s) from OpenStack security group (%s)", rule.ID, d.Id())
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}
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} else {
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log.Printf("[DEBUG] Removed rule (%s) from OpenStack security group (%s): %s", rule.ID, d.Id(), err)
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}
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}
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}
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return resourceComputeSecGroupV2Read(d, meta)
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}
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func resourceComputeSecGroupV2Delete(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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computeClient, err := config.computeV2Client(d.Get("region").(string))
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if err != nil {
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return fmt.Errorf("Error creating OpenStack compute client: %s", err)
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}
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stateConf := &resource.StateChangeConf{
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Pending: []string{"ACTIVE"},
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Target: "DELETED",
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Refresh: SecGroupV2StateRefreshFunc(computeClient, d),
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Timeout: 10 * time.Minute,
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Delay: 10 * time.Second,
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MinTimeout: 3 * time.Second,
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}
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_, err = stateConf.WaitForState()
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if err != nil {
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return fmt.Errorf("Error deleting OpenStack security group: %s", err)
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}
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d.SetId("")
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return nil
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}
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func resourceSecGroupRulesV2(d *schema.ResourceData) []secgroups.CreateRuleOpts {
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rawRules := d.Get("rule").(*schema.Set).List()
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createRuleOptsList := make([]secgroups.CreateRuleOpts, len(rawRules))
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for i, rawRule := range rawRules {
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createRuleOptsList[i] = resourceSecGroupRuleCreateOptsV2(d, rawRule)
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}
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return createRuleOptsList
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}
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func resourceSecGroupRuleCreateOptsV2(d *schema.ResourceData, rawRule interface{}) secgroups.CreateRuleOpts {
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rawRuleMap := rawRule.(map[string]interface{})
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groupId := rawRuleMap["from_group_id"].(string)
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if rawRuleMap["self"].(bool) {
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groupId = d.Id()
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}
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return secgroups.CreateRuleOpts{
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ParentGroupID: d.Id(),
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FromPort: rawRuleMap["from_port"].(int),
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ToPort: rawRuleMap["to_port"].(int),
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IPProtocol: rawRuleMap["ip_protocol"].(string),
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CIDR: rawRuleMap["cidr"].(string),
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FromGroupID: groupId,
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}
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}
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func resourceSecGroupRuleV2(d *schema.ResourceData, rawRule interface{}) secgroups.Rule {
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rawRuleMap := rawRule.(map[string]interface{})
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return secgroups.Rule{
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ID: rawRuleMap["id"].(string),
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ParentGroupID: d.Id(),
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FromPort: rawRuleMap["from_port"].(int),
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ToPort: rawRuleMap["to_port"].(int),
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IPProtocol: rawRuleMap["ip_protocol"].(string),
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IPRange: secgroups.IPRange{CIDR: rawRuleMap["cidr"].(string)},
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}
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}
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func rulesToMap(computeClient *gophercloud.ServiceClient, d *schema.ResourceData, sgrs []secgroups.Rule) ([]map[string]interface{}, error) {
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sgrMap := make([]map[string]interface{}, len(sgrs))
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for i, sgr := range sgrs {
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groupId := ""
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self := false
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if sgr.Group.Name != "" {
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if sgr.Group.Name == d.Get("name").(string) {
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self = true
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} else {
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// Since Nova only returns the secgroup Name (and not the ID) for the group attribute,
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// we need to look up all security groups and match the name.
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// Nevermind that Nova wants the ID when setting the Group *and* that multiple groups
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// with the same name can exist...
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allPages, err := secgroups.List(computeClient).AllPages()
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if err != nil {
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return nil, err
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}
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securityGroups, err := secgroups.ExtractSecurityGroups(allPages)
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if err != nil {
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return nil, err
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}
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for _, sg := range securityGroups {
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if sg.Name == sgr.Group.Name {
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groupId = sg.ID
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}
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}
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}
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}
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sgrMap[i] = map[string]interface{}{
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"id": sgr.ID,
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"from_port": sgr.FromPort,
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"to_port": sgr.ToPort,
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"ip_protocol": sgr.IPProtocol,
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"cidr": sgr.IPRange.CIDR,
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"self": self,
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"from_group_id": groupId,
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}
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}
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return sgrMap, nil
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}
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func secgroupRuleV2Hash(v interface{}) int {
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var buf bytes.Buffer
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m := v.(map[string]interface{})
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buf.WriteString(fmt.Sprintf("%d-", m["from_port"].(int)))
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buf.WriteString(fmt.Sprintf("%d-", m["to_port"].(int)))
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buf.WriteString(fmt.Sprintf("%s-", m["ip_protocol"].(string)))
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buf.WriteString(fmt.Sprintf("%s-", m["cidr"].(string)))
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buf.WriteString(fmt.Sprintf("%s-", m["from_group_id"].(string)))
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buf.WriteString(fmt.Sprintf("%t-", m["self"].(bool)))
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return hashcode.String(buf.String())
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}
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func SecGroupV2StateRefreshFunc(computeClient *gophercloud.ServiceClient, d *schema.ResourceData) resource.StateRefreshFunc {
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return func() (interface{}, string, error) {
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log.Printf("[DEBUG] Attempting to delete Security Group %s.\n", d.Id())
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err := secgroups.Delete(computeClient, d.Id()).ExtractErr()
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if err != nil {
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return nil, "", err
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}
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s, err := secgroups.Get(computeClient, d.Id()).Extract()
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if err != nil {
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err = CheckDeleted(d, err, "Security Group")
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if err != nil {
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return s, "", err
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} else {
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log.Printf("[DEBUG] Successfully deleted Security Group %s", d.Id())
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return s, "DELETED", nil
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}
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}
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log.Printf("[DEBUG] Security Group %s still active.\n", d.Id())
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return s, "ACTIVE", nil
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}
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}
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