144 lines
3.6 KiB
Go
144 lines
3.6 KiB
Go
package aws
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import (
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"fmt"
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"github.com/aws/aws-sdk-go/service/ec2"
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"github.com/hashicorp/terraform/helper/schema"
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)
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func dataSourceAwsEbsSnapshot() *schema.Resource {
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return &schema.Resource{
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Read: dataSourceAwsEbsSnapshotRead,
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Schema: map[string]*schema.Schema{
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//selection criteria
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"filter": dataSourceFiltersSchema(),
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"owners": {
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Type: schema.TypeList,
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Optional: true,
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ForceNew: true,
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Elem: &schema.Schema{Type: schema.TypeString},
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},
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"snapshot_ids": {
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Type: schema.TypeList,
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Optional: true,
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ForceNew: true,
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Elem: &schema.Schema{Type: schema.TypeString},
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},
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"restorable_by_user_ids": {
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Type: schema.TypeList,
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Optional: true,
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ForceNew: true,
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Elem: &schema.Schema{Type: schema.TypeString},
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},
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//Computed values returned
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"snapshot_id": {
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Type: schema.TypeString,
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Computed: true,
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},
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"volume_id": {
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Type: schema.TypeString,
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Computed: true,
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},
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"state": {
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Type: schema.TypeString,
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Computed: true,
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},
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"owner_id": {
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Type: schema.TypeString,
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Computed: true,
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},
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"owner_alias": {
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Type: schema.TypeString,
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Computed: true,
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},
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"encrypted": {
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Type: schema.TypeBool,
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Computed: true,
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},
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"description": {
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Type: schema.TypeString,
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Computed: true,
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},
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"volume_size": {
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Type: schema.TypeInt,
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Computed: true,
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},
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"kms_key_id": {
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Type: schema.TypeString,
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Computed: true,
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},
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"data_encryption_key_id": {
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Type: schema.TypeString,
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Computed: true,
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},
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"tags": dataSourceTagsSchema(),
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},
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}
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}
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func dataSourceAwsEbsSnapshotRead(d *schema.ResourceData, meta interface{}) error {
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conn := meta.(*AWSClient).ec2conn
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restorableUsers, restorableUsersOk := d.GetOk("restorable_by_user_ids")
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filters, filtersOk := d.GetOk("filter")
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snapshotIds, snapshotIdsOk := d.GetOk("snapshot_ids")
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owners, ownersOk := d.GetOk("owners")
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if restorableUsers == false && filtersOk == false && snapshotIds == false && ownersOk == false {
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return fmt.Errorf("One of snapshot_ids, filters, restorable_by_user_ids, or owners must be assigned")
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}
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params := &ec2.DescribeSnapshotsInput{}
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if restorableUsersOk {
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params.RestorableByUserIds = expandStringList(restorableUsers.([]interface{}))
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}
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if filtersOk {
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params.Filters = buildAwsDataSourceFilters(filters.(*schema.Set))
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}
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if ownersOk {
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params.OwnerIds = expandStringList(owners.([]interface{}))
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}
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if snapshotIdsOk {
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params.SnapshotIds = expandStringList(snapshotIds.([]interface{}))
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}
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resp, err := conn.DescribeSnapshots(params)
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if err != nil {
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return err
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}
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if len(resp.Snapshots) < 1 {
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return fmt.Errorf("Your query returned no results. Please change your search criteria and try again.")
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}
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if len(resp.Snapshots) > 1 {
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return fmt.Errorf("Your query returned more than one result. Please try a more specific search criteria.")
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}
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//Single Snapshot found so set to state
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return snapshotDescriptionAttributes(d, resp.Snapshots[0])
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}
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func snapshotDescriptionAttributes(d *schema.ResourceData, snapshot *ec2.Snapshot) error {
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d.SetId(*snapshot.SnapshotId)
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d.Set("snapshot_id", snapshot.SnapshotId)
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d.Set("volume_id", snapshot.VolumeId)
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d.Set("data_encryption_key_id", snapshot.DataEncryptionKeyId)
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d.Set("description", snapshot.Description)
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d.Set("encrypted", snapshot.Encrypted)
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d.Set("kms_key_id", snapshot.KmsKeyId)
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d.Set("volume_size", snapshot.VolumeSize)
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d.Set("state", snapshot.State)
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d.Set("owner_id", snapshot.OwnerId)
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d.Set("owner_alias", snapshot.OwnerAlias)
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if err := d.Set("tags", dataSourceTags(snapshot.Tags)); err != nil {
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return err
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}
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return nil
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}
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