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/
data_source_aws_db_cluster_snapshot.go
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/
data_source_aws_db_cluster_snapshot.go
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package aws
import (
"errors"
"fmt"
"log"
"sort"
"time"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/service/rds"
"github.com/hashicorp/terraform/helper/schema"
)
func dataSourceAwsDbClusterSnapshot() *schema.Resource {
return &schema.Resource{
Read: dataSourceAwsDbClusterSnapshotRead,
Schema: map[string]*schema.Schema{
//selection criteria
"db_cluster_identifier": {
Type: schema.TypeString,
Optional: true,
},
"db_cluster_snapshot_identifier": {
Type: schema.TypeString,
Optional: true,
},
"snapshot_type": {
Type: schema.TypeString,
Optional: true,
},
"include_shared": {
Type: schema.TypeBool,
Optional: true,
Default: false,
},
"include_public": {
Type: schema.TypeBool,
Optional: true,
Default: false,
},
"most_recent": {
Type: schema.TypeBool,
Optional: true,
Default: false,
},
//Computed values returned
"allocated_storage": {
Type: schema.TypeInt,
Computed: true,
},
"availability_zones": {
Type: schema.TypeList,
Elem: &schema.Schema{Type: schema.TypeString},
Computed: true,
},
"db_cluster_snapshot_arn": {
Type: schema.TypeString,
Computed: true,
},
"storage_encrypted": {
Type: schema.TypeBool,
Computed: true,
},
"engine": {
Type: schema.TypeString,
Computed: true,
},
"engine_version": {
Type: schema.TypeString,
Computed: true,
},
"kms_key_id": {
Type: schema.TypeString,
Computed: true,
},
"license_model": {
Type: schema.TypeString,
Computed: true,
},
"port": {
Type: schema.TypeInt,
Computed: true,
},
"source_db_cluster_snapshot_arn": {
Type: schema.TypeString,
Computed: true,
},
"snapshot_create_time": {
Type: schema.TypeString,
Computed: true,
},
"status": {
Type: schema.TypeString,
Computed: true,
},
"vpc_id": {
Type: schema.TypeString,
Computed: true,
},
},
}
}
func dataSourceAwsDbClusterSnapshotRead(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).rdsconn
clusterIdentifier, clusterIdentifierOk := d.GetOk("db_cluster_identifier")
snapshotIdentifier, snapshotIdentifierOk := d.GetOk("db_cluster_snapshot_identifier")
if !clusterIdentifierOk && !snapshotIdentifierOk {
return errors.New("One of db_cluster_snapshot_identifier or db_cluster_identifier must be assigned")
}
params := &rds.DescribeDBClusterSnapshotsInput{
IncludePublic: aws.Bool(d.Get("include_public").(bool)),
IncludeShared: aws.Bool(d.Get("include_shared").(bool)),
}
if v, ok := d.GetOk("snapshot_type"); ok {
params.SnapshotType = aws.String(v.(string))
}
if clusterIdentifierOk {
params.DBClusterIdentifier = aws.String(clusterIdentifier.(string))
}
if snapshotIdentifierOk {
params.DBClusterSnapshotIdentifier = aws.String(snapshotIdentifier.(string))
}
log.Printf("[DEBUG] Reading DB Cluster Snapshot: %s", params)
resp, err := conn.DescribeDBClusterSnapshots(params)
if err != nil {
return err
}
if len(resp.DBClusterSnapshots) < 1 {
return errors.New("Your query returned no results. Please change your search criteria and try again.")
}
var snapshot *rds.DBClusterSnapshot
if len(resp.DBClusterSnapshots) > 1 {
recent := d.Get("most_recent").(bool)
log.Printf("[DEBUG] aws_db_cluster_snapshot - multiple results found and `most_recent` is set to: %t", recent)
if recent {
snapshot = mostRecentDbClusterSnapshot(resp.DBClusterSnapshots)
} else {
return errors.New("Your query returned more than one result. Please try a more specific search criteria.")
}
} else {
snapshot = resp.DBClusterSnapshots[0]
}
d.SetId(aws.StringValue(snapshot.DBClusterSnapshotIdentifier))
d.Set("allocated_storage", snapshot.AllocatedStorage)
if err := d.Set("availability_zones", flattenStringList(snapshot.AvailabilityZones)); err != nil {
return fmt.Errorf("error setting availability_zones: %s", err)
}
d.Set("db_cluster_identifier", snapshot.DBClusterIdentifier)
d.Set("db_cluster_snapshot_arn", snapshot.DBClusterSnapshotArn)
d.Set("db_cluster_snapshot_identifier", snapshot.DBClusterSnapshotIdentifier)
d.Set("engine", snapshot.Engine)
d.Set("engine_version", snapshot.EngineVersion)
d.Set("kms_key_id", snapshot.KmsKeyId)
d.Set("license_model", snapshot.LicenseModel)
d.Set("port", snapshot.Port)
if snapshot.SnapshotCreateTime != nil {
d.Set("snapshot_create_time", snapshot.SnapshotCreateTime.Format(time.RFC3339))
}
d.Set("snapshot_type", snapshot.SnapshotType)
d.Set("source_db_cluster_snapshot_arn", snapshot.SourceDBClusterSnapshotArn)
d.Set("status", snapshot.Status)
d.Set("storage_encrypted", snapshot.StorageEncrypted)
d.Set("vpc_id", snapshot.VpcId)
return nil
}
type rdsClusterSnapshotSort []*rds.DBClusterSnapshot
func (a rdsClusterSnapshotSort) Len() int { return len(a) }
func (a rdsClusterSnapshotSort) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
func (a rdsClusterSnapshotSort) Less(i, j int) bool {
// Snapshot creation can be in progress
if a[i].SnapshotCreateTime == nil {
return true
}
if a[j].SnapshotCreateTime == nil {
return false
}
return (*a[i].SnapshotCreateTime).Before(*a[j].SnapshotCreateTime)
}
func mostRecentDbClusterSnapshot(snapshots []*rds.DBClusterSnapshot) *rds.DBClusterSnapshot {
sortedSnapshots := snapshots
sort.Sort(rdsClusterSnapshotSort(sortedSnapshots))
return sortedSnapshots[len(sortedSnapshots)-1]
}