terraform/builtin/providers/aws/resource_aws_rds_cluster_in...

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package aws
import (
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"fmt"
"log"
"time"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/service/rds"
"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/helper/schema"
)
func resourceAwsRDSClusterInstance() *schema.Resource {
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return &schema.Resource{
Create: resourceAwsRDSClusterInstanceCreate,
Read: resourceAwsRDSClusterInstanceRead,
Update: resourceAwsRDSClusterInstanceUpdate,
Delete: resourceAwsRDSClusterInstanceDelete,
Schema: map[string]*schema.Schema{
"identifier": &schema.Schema{
Type: schema.TypeString,
Optional: true,
ForceNew: true,
ValidateFunc: validateRdsId,
},
"db_subnet_group_name": &schema.Schema{
Type: schema.TypeString,
Optional: true,
ForceNew: true,
Computed: true,
},
"writer": &schema.Schema{
Type: schema.TypeBool,
Computed: true,
},
"cluster_identifier": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"endpoint": &schema.Schema{
Type: schema.TypeString,
Computed: true,
},
"port": &schema.Schema{
Type: schema.TypeInt,
Computed: true,
},
"publicly_accessible": &schema.Schema{
Type: schema.TypeBool,
Optional: true,
Default: false,
ForceNew: true,
},
"instance_class": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"tags": tagsSchema(),
},
}
}
func resourceAwsRDSClusterInstanceCreate(d *schema.ResourceData, meta interface{}) error {
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conn := meta.(*AWSClient).rdsconn
tags := tagsFromMapRDS(d.Get("tags").(map[string]interface{}))
createOpts := &rds.CreateDBInstanceInput{
DBInstanceClass: aws.String(d.Get("instance_class").(string)),
DBClusterIdentifier: aws.String(d.Get("cluster_identifier").(string)),
Engine: aws.String("aurora"),
PubliclyAccessible: aws.Bool(d.Get("publicly_accessible").(bool)),
Tags: tags,
}
if v := d.Get("identifier").(string); v != "" {
createOpts.DBInstanceIdentifier = aws.String(v)
} else {
createOpts.DBInstanceIdentifier = aws.String(resource.UniqueId())
}
if attr, ok := d.GetOk("db_subnet_group_name"); ok {
createOpts.DBSubnetGroupName = aws.String(attr.(string))
}
log.Printf("[DEBUG] Creating RDS DB Instance opts: %s", createOpts)
resp, err := conn.CreateDBInstance(createOpts)
if err != nil {
return err
}
d.SetId(*resp.DBInstance.DBInstanceIdentifier)
// reuse db_instance refresh func
stateConf := &resource.StateChangeConf{
Pending: []string{"creating", "backing-up", "modifying"},
Target: []string{"available"},
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Refresh: resourceAwsDbInstanceStateRefreshFunc(d, meta),
Timeout: 40 * time.Minute,
MinTimeout: 10 * time.Second,
Delay: 10 * time.Second,
}
// Wait, catching any errors
_, err = stateConf.WaitForState()
if err != nil {
return err
}
return resourceAwsRDSClusterInstanceRead(d, meta)
}
func resourceAwsRDSClusterInstanceRead(d *schema.ResourceData, meta interface{}) error {
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db, err := resourceAwsDbInstanceRetrieve(d, meta)
if err != nil {
log.Printf("[WARN] Error on retrieving RDS Cluster Instance (%s): %s", d.Id(), err)
d.SetId("")
return nil
}
// Retreive DB Cluster information, to determine if this Instance is a writer
conn := meta.(*AWSClient).rdsconn
resp, err := conn.DescribeDBClusters(&rds.DescribeDBClustersInput{
DBClusterIdentifier: db.DBClusterIdentifier,
})
var dbc *rds.DBCluster
for _, c := range resp.DBClusters {
if *c.DBClusterIdentifier == *db.DBClusterIdentifier {
dbc = c
}
}
if dbc == nil {
return fmt.Errorf("[WARN] Error finding RDS Cluster (%s) for Cluster Instance (%s): %s",
*db.DBClusterIdentifier, *db.DBInstanceIdentifier, err)
}
for _, m := range dbc.DBClusterMembers {
if *db.DBInstanceIdentifier == *m.DBInstanceIdentifier {
if *m.IsClusterWriter == true {
d.Set("writer", true)
} else {
d.Set("writer", false)
}
}
}
if db.Endpoint != nil {
d.Set("endpoint", db.Endpoint.Address)
d.Set("port", db.Endpoint.Port)
}
d.Set("publicly_accessible", db.PubliclyAccessible)
// Fetch and save tags
arn, err := buildRDSARN(d.Id(), meta)
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if err != nil {
log.Printf("[DEBUG] Error building ARN for RDS Cluster Instance (%s), not setting Tags", *db.DBInstanceIdentifier)
} else {
if err := saveTagsRDS(conn, d, arn); err != nil {
log.Printf("[WARN] Failed to save tags for RDS Cluster Instance (%s): %s", *db.DBClusterIdentifier, err)
}
}
return nil
}
func resourceAwsRDSClusterInstanceUpdate(d *schema.ResourceData, meta interface{}) error {
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conn := meta.(*AWSClient).rdsconn
if arn, err := buildRDSARN(d.Id(), meta); err == nil {
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if err := setTagsRDS(conn, d, arn); err != nil {
return err
}
}
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return resourceAwsRDSClusterInstanceRead(d, meta)
}
func resourceAwsRDSClusterInstanceDelete(d *schema.ResourceData, meta interface{}) error {
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conn := meta.(*AWSClient).rdsconn
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log.Printf("[DEBUG] RDS Cluster Instance destroy: %v", d.Id())
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opts := rds.DeleteDBInstanceInput{DBInstanceIdentifier: aws.String(d.Id())}
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log.Printf("[DEBUG] RDS Cluster Instance destroy configuration: %s", opts)
if _, err := conn.DeleteDBInstance(&opts); err != nil {
return err
}
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// re-uses db_instance refresh func
log.Println("[INFO] Waiting for RDS Cluster Instance to be destroyed")
stateConf := &resource.StateChangeConf{
Pending: []string{"modifying", "deleting"},
Target: []string{},
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Refresh: resourceAwsDbInstanceStateRefreshFunc(d, meta),
Timeout: 40 * time.Minute,
MinTimeout: 10 * time.Second,
}
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if _, err := stateConf.WaitForState(); err != nil {
return err
}
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return nil
}