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data_source_viettelidc_blockstorage_snapshot_v2.go
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data_source_viettelidc_blockstorage_snapshot_v2.go
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package viettelidc
import (
"context"
"log"
"github.com/hashicorp/terraform-plugin-sdk/v2/diag"
"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
"github.com/gophercloud/gophercloud/openstack/blockstorage/v2/snapshots"
)
func dataSourceBlockStorageSnapshotV2() *schema.Resource {
return &schema.Resource{
ReadContext: dataSourceBlockStorageSnapshotV2Read,
DeprecationMessage: "use openstack_blockstorage_snapshot_v3 data-source instead",
Schema: map[string]*schema.Schema{
"region": {
Type: schema.TypeString,
Optional: true,
Computed: true,
},
"name": {
Type: schema.TypeString,
Optional: true,
Computed: true,
},
"status": {
Type: schema.TypeString,
Optional: true,
Computed: true,
},
"volume_id": {
Type: schema.TypeString,
Optional: true,
Computed: true,
},
"most_recent": {
Type: schema.TypeBool,
Optional: true,
},
// Computed values
"description": {
Type: schema.TypeString,
Computed: true,
},
"size": {
Type: schema.TypeInt,
Computed: true,
},
"metadata": {
Type: schema.TypeMap,
Computed: true,
},
},
}
}
func dataSourceBlockStorageSnapshotV2Read(ctx context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
config := meta.(*Config)
client, err := config.BlockStorageV2Client(GetRegion(d, config))
if err != nil {
return diag.Errorf("Error creating OpenStack block storage client: %s", err)
}
listOpts := snapshots.ListOpts{
Name: d.Get("name").(string),
Status: d.Get("status").(string),
VolumeID: d.Get("volume_id").(string),
}
allPages, err := snapshots.List(client, listOpts).AllPages()
if err != nil {
return diag.Errorf("Unable to query openstack_blockstorage_snapshot_v2: %s", err)
}
allSnapshots, err := snapshots.ExtractSnapshots(allPages)
if err != nil {
return diag.Errorf("Unable to retrieve openstack_blockstorage_snapshot_v2: %s", err)
}
if len(allSnapshots) < 1 {
return diag.Errorf("Your openstack_blockstorage_snapshot_v2 query returned no results. " +
"Please change your search criteria and try again.")
}
var snapshot snapshots.Snapshot
if len(allSnapshots) > 1 {
recent := d.Get("most_recent").(bool)
if recent {
snapshot = dataSourceBlockStorageV2MostRecentSnapshot(allSnapshots)
} else {
log.Printf("[DEBUG] Multiple openstack_blockstorage_snapshot_v2 results found: %#v", allSnapshots)
return diag.Errorf("Your query returned more than one result. Please try a more " +
"specific search criteria, or set `most_recent` attribute to true.")
}
} else {
snapshot = allSnapshots[0]
}
dataSourceBlockStorageSnapshotV2Attributes(d, snapshot)
return nil
}
func dataSourceBlockStorageSnapshotV2Attributes(d *schema.ResourceData, snapshot snapshots.Snapshot) {
d.SetId(snapshot.ID)
d.Set("name", snapshot.Name)
d.Set("description", snapshot.Description)
d.Set("size", snapshot.Size)
d.Set("status", snapshot.Status)
d.Set("volume_id", snapshot.VolumeID)
if err := d.Set("metadata", snapshot.Metadata); err != nil {
log.Printf("[DEBUG] Unable to set metadata for snapshot %s: %s", snapshot.ID, err)
}
}