github.com/ndarilek/terraform@v0.3.8-0.20150320140257-d3135c1b2bac/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/aws-sdk-go/aws"
     9  	"github.com/hashicorp/aws-sdk-go/gen/rds"
    10  	"github.com/hashicorp/terraform/helper/hashcode"
    11  	"github.com/hashicorp/terraform/helper/resource"
    12  	"github.com/hashicorp/terraform/helper/schema"
    13  )
    14  
    15  func resourceAwsDbSubnetGroup() *schema.Resource {
    16  	return &schema.Resource{
    17  		Create: resourceAwsDbSubnetGroupCreate,
    18  		Read:   resourceAwsDbSubnetGroupRead,
    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  	rdsconn := meta.(*AWSClient).rdsconn
    49  
    50  	subnetIdsSet := d.Get("subnet_ids").(*schema.Set)
    51  	subnetIds := make([]string, subnetIdsSet.Len())
    52  	for i, subnetId := range subnetIdsSet.List() {
    53  		subnetIds[i] = subnetId.(string)
    54  	}
    55  
    56  	createOpts := rds.CreateDBSubnetGroupMessage{
    57  		DBSubnetGroupName:        aws.String(d.Get("name").(string)),
    58  		DBSubnetGroupDescription: aws.String(d.Get("description").(string)),
    59  		SubnetIDs:                subnetIds,
    60  	}
    61  
    62  	log.Printf("[DEBUG] Create DB Subnet Group: %#v", createOpts)
    63  	_, err := rdsconn.CreateDBSubnetGroup(&createOpts)
    64  	if err != nil {
    65  		return fmt.Errorf("Error creating DB Subnet Group: %s", err)
    66  	}
    67  
    68  	d.SetId(*createOpts.DBSubnetGroupName)
    69  	log.Printf("[INFO] DB Subnet Group ID: %s", d.Id())
    70  	return resourceAwsDbSubnetGroupRead(d, meta)
    71  }
    72  
    73  func resourceAwsDbSubnetGroupRead(d *schema.ResourceData, meta interface{}) error {
    74  	rdsconn := meta.(*AWSClient).rdsconn
    75  
    76  	describeOpts := rds.DescribeDBSubnetGroupsMessage{
    77  		DBSubnetGroupName: aws.String(d.Id()),
    78  	}
    79  
    80  	describeResp, err := rdsconn.DescribeDBSubnetGroups(&describeOpts)
    81  	if err != nil {
    82  		if ec2err, ok := err.(aws.APIError); ok && ec2err.Code == "DBSubnetGroupNotFoundFault" {
    83  			// Update state to indicate the db subnet no longer exists.
    84  			d.SetId("")
    85  			return nil
    86  		}
    87  		return err
    88  	}
    89  
    90  	if len(describeResp.DBSubnetGroups) != 1 ||
    91  		*describeResp.DBSubnetGroups[0].DBSubnetGroupName != d.Id() {
    92  		return fmt.Errorf("Unable to find DB Subnet Group: %#v", describeResp.DBSubnetGroups)
    93  	}
    94  
    95  	subnetGroup := describeResp.DBSubnetGroups[0]
    96  
    97  	d.Set("name", *subnetGroup.DBSubnetGroupName)
    98  	d.Set("description", *subnetGroup.DBSubnetGroupDescription)
    99  
   100  	subnets := make([]string, 0, len(subnetGroup.Subnets))
   101  	for _, s := range subnetGroup.Subnets {
   102  		subnets = append(subnets, *s.SubnetIdentifier)
   103  	}
   104  	d.Set("subnet_ids", subnets)
   105  
   106  	return nil
   107  }
   108  
   109  func resourceAwsDbSubnetGroupDelete(d *schema.ResourceData, meta interface{}) error {
   110  	stateConf := &resource.StateChangeConf{
   111  		Pending:    []string{"pending"},
   112  		Target:     "destroyed",
   113  		Refresh:    resourceAwsDbSubnetGroupDeleteRefreshFunc(d, meta),
   114  		Timeout:    3 * time.Minute,
   115  		MinTimeout: 1 * time.Second,
   116  	}
   117  	_, err := stateConf.WaitForState()
   118  	return err
   119  }
   120  
   121  func resourceAwsDbSubnetGroupDeleteRefreshFunc(
   122  	d *schema.ResourceData,
   123  	meta interface{}) resource.StateRefreshFunc {
   124  	rdsconn := meta.(*AWSClient).rdsconn
   125  
   126  	return func() (interface{}, string, error) {
   127  
   128  		deleteOpts := rds.DeleteDBSubnetGroupMessage{
   129  			DBSubnetGroupName: aws.String(d.Id()),
   130  		}
   131  
   132  		if err := rdsconn.DeleteDBSubnetGroup(&deleteOpts); err != nil {
   133  			rdserr, ok := err.(aws.APIError)
   134  			if !ok {
   135  				return d, "error", err
   136  			}
   137  
   138  			if rdserr.Code != "DBSubnetGroupNotFoundFault" {
   139  				return d, "error", err
   140  			}
   141  		}
   142  
   143  		return d, "destroyed", nil
   144  	}
   145  }