github.com/chalford/terraform@v0.3.7-0.20150113080010-a78c69a8c81f/builtin/providers/aws/resource_aws_db_subnet_group.go (about)

     1  package aws
     2  
     3  import (
     4  	"fmt"
     5  	"log"
     6  	"time"
     7  
     8  	"github.com/hashicorp/terraform/helper/hashcode"
     9  	"github.com/hashicorp/terraform/helper/resource"
    10  	"github.com/hashicorp/terraform/helper/schema"
    11  	"github.com/mitchellh/goamz/rds"
    12  )
    13  
    14  func resourceAwsDbSubnetGroup() *schema.Resource {
    15  	return &schema.Resource{
    16  		Create: resourceAwsDbSubnetGroupCreate,
    17  		Read:   resourceAwsDbSubnetGroupRead,
    18  		Delete: resourceAwsDbSubnetGroupDelete,
    19  
    20  		Schema: map[string]*schema.Schema{
    21  			"name": &schema.Schema{
    22  				Type:     schema.TypeString,
    23  				ForceNew: true,
    24  				Required: true,
    25  			},
    26  
    27  			"description": &schema.Schema{
    28  				Type:     schema.TypeString,
    29  				Required: true,
    30  				ForceNew: true,
    31  			},
    32  
    33  			"subnet_ids": &schema.Schema{
    34  				Type:     schema.TypeSet,
    35  				Required: true,
    36  				ForceNew: true,
    37  				Elem:     &schema.Schema{Type: schema.TypeString},
    38  				Set: func(v interface{}) int {
    39  					return hashcode.String(v.(string))
    40  				},
    41  			},
    42  		},
    43  	}
    44  }
    45  
    46  func resourceAwsDbSubnetGroupCreate(d *schema.ResourceData, meta interface{}) error {
    47  	rdsconn := meta.(*AWSClient).rdsconn
    48  
    49  	subnetIdsSet := d.Get("subnet_ids").(*schema.Set)
    50  	subnetIds := make([]string, subnetIdsSet.Len())
    51  	for i, subnetId := range subnetIdsSet.List() {
    52  		subnetIds[i] = subnetId.(string)
    53  	}
    54  
    55  	createOpts := rds.CreateDBSubnetGroup{
    56  		DBSubnetGroupName:        d.Get("name").(string),
    57  		DBSubnetGroupDescription: d.Get("description").(string),
    58  		SubnetIds:                subnetIds,
    59  	}
    60  
    61  	log.Printf("[DEBUG] Create DB Subnet Group: %#v", createOpts)
    62  	_, err := rdsconn.CreateDBSubnetGroup(&createOpts)
    63  	if err != nil {
    64  		return fmt.Errorf("Error creating DB Subnet Group: %s", err)
    65  	}
    66  
    67  	d.SetId(createOpts.DBSubnetGroupName)
    68  	log.Printf("[INFO] DB Subnet Group ID: %s", d.Id())
    69  	return resourceAwsDbSubnetGroupRead(d, meta)
    70  }
    71  
    72  func resourceAwsDbSubnetGroupRead(d *schema.ResourceData, meta interface{}) error {
    73  	rdsconn := meta.(*AWSClient).rdsconn
    74  
    75  	describeOpts := rds.DescribeDBSubnetGroups{
    76  		DBSubnetGroupName: d.Id(),
    77  	}
    78  
    79  	describeResp, err := rdsconn.DescribeDBSubnetGroups(&describeOpts)
    80  	if err != nil {
    81  		return err
    82  	}
    83  
    84  	if len(describeResp.DBSubnetGroups) != 1 ||
    85  		describeResp.DBSubnetGroups[0].Name != d.Id() {
    86  	}
    87  
    88  	d.Set("name", describeResp.DBSubnetGroups[0].Name)
    89  	d.Set("description", describeResp.DBSubnetGroups[0].Description)
    90  	d.Set("subnet_ids", describeResp.DBSubnetGroups[0].SubnetIds)
    91  
    92  	return nil
    93  }
    94  
    95  func resourceAwsDbSubnetGroupDelete(d *schema.ResourceData, meta interface{}) error {
    96  	stateConf := &resource.StateChangeConf{
    97  		Pending:    []string{"pending"},
    98  		Target:     "destroyed",
    99  		Refresh:    resourceAwsDbSubnetGroupDeleteRefreshFunc(d, meta),
   100  		Timeout:    3 * time.Minute,
   101  		MinTimeout: 1 * time.Second,
   102  	}
   103  	_, err := stateConf.WaitForState()
   104  	return err
   105  }
   106  
   107  func resourceAwsDbSubnetGroupDeleteRefreshFunc(
   108  	d *schema.ResourceData,
   109  	meta interface{}) resource.StateRefreshFunc {
   110  	rdsconn := meta.(*AWSClient).rdsconn
   111  
   112  	return func() (interface{}, string, error) {
   113  
   114  		deleteOpts := rds.DeleteDBSubnetGroup{
   115  			DBSubnetGroupName: d.Id(),
   116  		}
   117  
   118  		if _, err := rdsconn.DeleteDBSubnetGroup(&deleteOpts); err != nil {
   119  			rdserr, ok := err.(*rds.Error)
   120  			if !ok {
   121  				return d, "error", err
   122  			}
   123  
   124  			if rdserr.Code != "DBSubnetGroupNotFoundFault" {
   125  				return d, "error", err
   126  			}
   127  		}
   128  
   129  		return d, "destroyed", nil
   130  	}
   131  }