github.com/bengesoff/terraform@v0.3.1-0.20141018223233-b25a53629922/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  		Update: nil,
    19  		Delete: resourceAwsDbSubnetGroupDelete,
    20  
    21  		Schema: map[string]*schema.Schema{
    22  			"name": &schema.Schema{
    23  				Type:     schema.TypeString,
    24  				ForceNew: true,
    25  				Required: true,
    26  			},
    27  
    28  			"description": &schema.Schema{
    29  				Type:     schema.TypeString,
    30  				Required: true,
    31  				ForceNew: true,
    32  			},
    33  
    34  			"subnet_ids": &schema.Schema{
    35  				Type:     schema.TypeSet,
    36  				Required: true,
    37  				ForceNew: true,
    38  				Elem:     &schema.Schema{Type: schema.TypeString},
    39  				Set: func(v interface{}) int {
    40  					return hashcode.String(v.(string))
    41  				},
    42  			},
    43  		},
    44  	}
    45  }
    46  
    47  func resourceAwsDbSubnetGroupCreate(d *schema.ResourceData, meta interface{}) error {
    48  	p := meta.(*ResourceProvider)
    49  	rdsconn := p.rdsconn
    50  
    51  	subnetIdsSet := d.Get("subnet_ids").(*schema.Set)
    52  	subnetIds := make([]string, subnetIdsSet.Len())
    53  	for i, subnetId := range subnetIdsSet.List() {
    54  		subnetIds[i] = subnetId.(string)
    55  	}
    56  
    57  	createOpts := rds.CreateDBSubnetGroup{
    58  		DBSubnetGroupName:        d.Get("name").(string),
    59  		DBSubnetGroupDescription: d.Get("description").(string),
    60  		SubnetIds:                subnetIds,
    61  	}
    62  
    63  	log.Printf("[DEBUG] Create DB Subnet Group: %#v", createOpts)
    64  	_, err := rdsconn.CreateDBSubnetGroup(&createOpts)
    65  	if err != nil {
    66  		return fmt.Errorf("Error creating DB Subnet Group: %s", err)
    67  	}
    68  
    69  	d.SetId(createOpts.DBSubnetGroupName)
    70  	log.Printf("[INFO] DB Subnet Group ID: %s", d.Id())
    71  	return resourceAwsDbSubnetGroupRead(d, meta)
    72  }
    73  
    74  func resourceAwsDbSubnetGroupDelete(d *schema.ResourceData, meta interface{}) error {
    75  	stateConf := &resource.StateChangeConf{
    76  		Pending:    []string{"pending"},
    77  		Target:     "destroyed",
    78  		Refresh:    resourceDbSubnetGroupDeleteRefreshFunc(d, meta),
    79  		Timeout:    3 * time.Minute,
    80  		MinTimeout: 1 * time.Second,
    81  	}
    82  	_, err := stateConf.WaitForState()
    83  	return err
    84  }
    85  
    86  func resourceAwsDbSubnetGroupRead(d *schema.ResourceData, meta interface{}) error {
    87  	p := meta.(*ResourceProvider)
    88  	rdsconn := p.rdsconn
    89  
    90  	describeOpts := rds.DescribeDBSubnetGroups{
    91  		DBSubnetGroupName: d.Id(),
    92  	}
    93  
    94  	describeResp, err := rdsconn.DescribeDBSubnetGroups(&describeOpts)
    95  	if err != nil {
    96  		return err
    97  	}
    98  
    99  	if len(describeResp.DBSubnetGroups) != 1 ||
   100  		describeResp.DBSubnetGroups[0].Name != d.Id() {
   101  	}
   102  
   103  	d.Set("name", describeResp.DBSubnetGroups[0].Name)
   104  	d.Set("description", describeResp.DBSubnetGroups[0].Description)
   105  	d.Set("subnet_ids", describeResp.DBSubnetGroups[0].SubnetIds)
   106  
   107  	return nil
   108  }
   109  
   110  func resourceDbSubnetGroupDeleteRefreshFunc(
   111  	d *schema.ResourceData,
   112  	meta interface{}) resource.StateRefreshFunc {
   113  	p := meta.(*ResourceProvider)
   114  	rdsconn := p.rdsconn
   115  
   116  	return func() (interface{}, string, error) {
   117  
   118  		deleteOpts := rds.DeleteDBSubnetGroup{
   119  			DBSubnetGroupName: d.Id(),
   120  		}
   121  
   122  		if _, err := rdsconn.DeleteDBSubnetGroup(&deleteOpts); err != nil {
   123  			rdserr, ok := err.(*rds.Error)
   124  			if !ok {
   125  				return d, "error", err
   126  			}
   127  
   128  			if rdserr.Code != "DBSubnetGroupNotFoundFault" {
   129  				return d, "error", err
   130  			}
   131  		}
   132  
   133  		return d, "destroyed", nil
   134  	}
   135  }