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package snapshots
import (
"github.com/gophercloud/gophercloud"
"github.com/gophercloud/gophercloud/openstack/blockstorage/v1/snapshots"
)
// IDFromName is a convenience function that returns a snapshot's ID given its name.
func IDFromName(client *gophercloud.ServiceClient, name string) (string, error) {
count := 0
id := ""
listOpts := snapshots.ListOpts{
Name: name,
}
pages, err := snapshots.List(client, listOpts).AllPages()
if err != nil {
return "", err
}
all, err := snapshots.ExtractSnapshots(pages)
if err != nil {
return "", err
}
for _, s := range all {
if s.Name == name {
count++
id = s.ID
}
}
switch count {
case 0:
return "", gophercloud.ErrResourceNotFound{Name: name, ResourceType: "snapshot"}
case 1:
return id, nil
default:
return "", gophercloud.ErrMultipleResourcesFound{Name: name, Count: count, ResourceType: "snapshot"}
}
}
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