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requests.go
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/
requests.go
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package volumes
import (
"github.com/huaweicloud/terraform-provider-hcs/huaweicloudstack/sdk/huaweicloud"
"github.com/huaweicloud/terraform-provider-hcs/huaweicloudstack/sdk/huaweicloud/pagination"
)
// CreateOptsBuilder allows extensions to add additional parameters to the
// Create request.
type CreateOptsBuilder interface {
ToVolumeCreateMap() (map[string]interface{}, error)
}
// CreateOpts contains options for creating a Volume. This object is passed to
// the volumes.Create function. For more information about these parameters,
// see the Volume object.
type CreateOpts struct {
// The size of the volume, in GB
Size int `json:"size" required:"true"`
// The availability zone
AvailabilityZone string `json:"availability_zone,omitempty"`
// ConsistencyGroupID is the ID of a consistency group
ConsistencyGroupID string `json:"consistencygroup_id,omitempty"`
// The enterprise project ID to which the volume belongs.
EnterpriseProjectID string `json:"enterprise_project_id,omitempty"`
// The volume description
Description string `json:"description,omitempty"`
// One or more metadata key and value pairs to associate with the volume
Metadata map[string]string `json:"metadata,omitempty"`
// The volume name
Name string `json:"name,omitempty"`
// the ID of the existing volume snapshot
SnapshotID string `json:"snapshot_id,omitempty"`
// SourceReplica is a UUID of an existing volume to replicate with
SourceReplica string `json:"source_replica,omitempty"`
// the ID of the existing volume
SourceVolID string `json:"source_volid,omitempty"`
// The ID of the image from which you want to create the volume.
// Required to create a bootable volume.
ImageID string `json:"imageRef,omitempty"`
// The associated volume type
VolumeType string `json:"volume_type,omitempty"`
// Shared disk
Multiattach bool `json:"multiattach,omitempty"`
}
// ToVolumeCreateMap assembles a request body based on the contents of a
// CreateOpts.
func (opts CreateOpts) ToVolumeCreateMap() (map[string]interface{}, error) {
return golangsdk.BuildRequestBody(opts, "volume")
}
// Create will create a new Volume based on the values in CreateOpts. To extract
// the Volume object from the response, call the Extract method on the
// CreateResult.
func Create(client *golangsdk.ServiceClient, opts CreateOptsBuilder) (r CreateResult) {
b, err := opts.ToVolumeCreateMap()
if err != nil {
r.Err = err
return
}
_, r.Err = client.Post(createURL(client), b, &r.Body, &golangsdk.RequestOpts{
OkCodes: []int{202},
})
return
}
//DeleteOptsBuilder is an interface by which can be able to build the query string
//of volume deletion.
type DeleteOptsBuilder interface {
ToVolumeDeleteQuery() (string, error)
}
type DeleteOpts struct {
//Specifies to delete all snapshots associated with the EVS disk.
Cascade bool `q:"cascade"`
}
func (opts DeleteOpts) ToVolumeDeleteQuery() (string, error) {
q, err := golangsdk.BuildQueryString(opts)
return q.String(), err
}
//Delete will delete the existing Volume with the provided ID
func Delete(client *golangsdk.ServiceClient, id string, opts DeleteOptsBuilder) (r DeleteResult) {
url := deleteURL(client, id)
if opts != nil {
q, err := opts.ToVolumeDeleteQuery()
if err != nil {
r.Err = err
return
}
url += q
}
_, r.Err = client.Delete(url, nil)
return
}
// Get retrieves the Volume with the provided ID. To extract the Volume object
// from the response, call the Extract method on the GetResult.
func Get(client *golangsdk.ServiceClient, id string) (r GetResult) {
_, r.Err = client.Get(getURL(client, id), &r.Body, nil)
return
}
// ListOptsBuilder allows extensions to add additional parameters to the List
// request.
type ListOptsBuilder interface {
ToVolumeListQuery() (string, error)
}
// ListOpts holds options for listing Volumes. It is passed to the volumes.List
// function.
type ListOpts struct {
// The availability zone
AvailabilityZone string `q:"availability_zone"`
// The Enterprise ProjectID
EnterpriseProjectID string `q:"enterprise_project_id"`
// Server ID
ServerID string `q:"server_id"`
// AllTenants will retrieve volumes of all tenants/projects.
AllTenants bool `q:"all_tenants"`
MetadataOrigin map[string]interface{}
// Metadata will filter results based on specified metadata.
Metadata map[string]string `q:"metadata"`
// Name will filter by the specified volume name.
Name string `q:"name"`
// whether all snapshots of the volume are displayed in the volume list.
WithSnapshot bool `q:"with_snapshot"`
// Status will filter by the specified status.
Status string `q:"status"`
// TenantID will filter by a specific tenant/project ID.
// Setting AllTenants is required for this.
TenantID string `q:"project_id"`
// Comma-separated list of sort keys and optional sort directions in the
// form of <key>[:<direction>].
Sort string `q:"sort"`
// Requests a page size of items.
Limit int `q:"limit"`
// Used in conjunction with limit to return a slice of items.
Offset int `q:"offset"`
// The ID of the last-seen item.
Marker string `q:"marker"`
// Tags will filter results based on specified tags.
Tags map[string]string `q:"tags"`
}
// ToVolumeListQuery formats a ListOpts into a query string.
func (opts ListOpts) ToVolumeListQuery() (string, error) {
handleMetadata(&opts)
q, err := golangsdk.BuildQueryString(opts)
return q.String(), err
}
func handleMetadata(opts *ListOpts) {
m := opts.MetadataOrigin
nm := make(map[string]string, len(m))
for k, v := range m {
nm[k] = v.(string)
}
opts.Metadata = nm
}
// List returns Volumes optionally limited by the conditions provided in ListOpts.
func List(client *golangsdk.ServiceClient, opts ListOptsBuilder) pagination.Pager {
url := listURL(client)
if opts != nil {
query, err := opts.ToVolumeListQuery()
if err != nil {
return pagination.Pager{Err: err}
}
url += query
}
return pagination.NewPager(client, url, func(r pagination.PageResult) pagination.Page {
return VolumePage{pagination.LinkedPageBase{PageResult: r}}
})
}
// UpdateOptsBuilder allows extensions to add additional parameters to the
// Update request.
type UpdateOptsBuilder interface {
ToVolumeUpdateMap() (map[string]interface{}, error)
}
// UpdateOpts contain options for updating an existing Volume. This object is passed
// to the volumes.Update function. For more information about the parameters, see
// the Volume object.
type UpdateOpts struct {
Name string `json:"name,omitempty"`
Description string `json:"description,omitempty"`
Metadata map[string]string `json:"metadata,omitempty"`
}
// ToVolumeUpdateMap assembles a request body based on the contents of an
// UpdateOpts.
func (opts UpdateOpts) ToVolumeUpdateMap() (map[string]interface{}, error) {
return golangsdk.BuildRequestBody(opts, "volume")
}
// Update will update the Volume with provided information. To extract the updated
// Volume from the response, call the Extract method on the UpdateResult.
func Update(client *golangsdk.ServiceClient, id string, opts UpdateOptsBuilder) (r UpdateResult) {
b, err := opts.ToVolumeUpdateMap()
if err != nil {
r.Err = err
return
}
_, r.Err = client.Put(updateURL(client, id), b, &r.Body, &golangsdk.RequestOpts{
OkCodes: []int{200},
})
return
}
// IDFromName is a convienience function that returns a server's ID given its name.
func IDFromName(client *golangsdk.ServiceClient, name string) (string, error) {
count := 0
id := ""
listOpts := ListOpts{
Name: name,
}
pages, err := List(client, listOpts).AllPages()
if err != nil {
return "", err
}
all, err := ExtractVolumes(pages)
if err != nil {
return "", err
}
for _, s := range all {
if s.Name == name {
count++
id = s.ID
}
}
switch count {
case 0:
return "", golangsdk.ErrResourceNotFound{Name: name, ResourceType: "volume"}
case 1:
return id, nil
default:
return "", golangsdk.ErrMultipleResourcesFound{Name: name, Count: count, ResourceType: "volume"}
}
}