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package volumes
import (
"context"
"net/http"
"strings"
"github.com/containers/podman/v3/pkg/bindings"
"github.com/containers/podman/v3/pkg/domain/entities"
"github.com/containers/podman/v3/pkg/domain/entities/reports"
jsoniter "github.com/json-iterator/go"
)
// Create creates a volume given its configuration.
func Create(ctx context.Context, config entities.VolumeCreateOptions, options *CreateOptions) (*entities.VolumeConfigResponse, error) {
var (
v entities.VolumeConfigResponse
)
if options == nil {
options = new(CreateOptions)
}
_ = options
conn, err := bindings.GetClient(ctx)
if err != nil {
return nil, err
}
createString, err := jsoniter.MarshalToString(config)
if err != nil {
return nil, err
}
stringReader := strings.NewReader(createString)
response, err := conn.DoRequest(stringReader, http.MethodPost, "/volumes/create", nil, nil)
if err != nil {
return nil, err
}
defer response.Body.Close()
return &v, response.Process(&v)
}
// Inspect returns low-level information about a volume.
func Inspect(ctx context.Context, nameOrID string, options *InspectOptions) (*entities.VolumeConfigResponse, error) {
var (
inspect entities.VolumeConfigResponse
)
if options == nil {
options = new(InspectOptions)
}
_ = options
conn, err := bindings.GetClient(ctx)
if err != nil {
return nil, err
}
response, err := conn.DoRequest(nil, http.MethodGet, "/volumes/%s/json", nil, nil, nameOrID)
if err != nil {
return &inspect, err
}
defer response.Body.Close()
return &inspect, response.Process(&inspect)
}
// List returns the configurations for existing volumes in the form of a slice. Optionally, filters
// can be used to refine the list of volumes.
func List(ctx context.Context, options *ListOptions) ([]*entities.VolumeListReport, error) {
var (
vols []*entities.VolumeListReport
)
conn, err := bindings.GetClient(ctx)
if err != nil {
return nil, err
}
params, err := options.ToParams()
if err != nil {
return nil, err
}
response, err := conn.DoRequest(nil, http.MethodGet, "/volumes/json", params, nil)
if err != nil {
return vols, err
}
defer response.Body.Close()
return vols, response.Process(&vols)
}
// Prune removes unused volumes from the local filesystem.
func Prune(ctx context.Context, options *PruneOptions) ([]*reports.PruneReport, error) {
var (
pruned []*reports.PruneReport
)
conn, err := bindings.GetClient(ctx)
if err != nil {
return nil, err
}
params, err := options.ToParams()
if err != nil {
return nil, err
}
response, err := conn.DoRequest(nil, http.MethodPost, "/volumes/prune", params, nil)
if err != nil {
return nil, err
}
defer response.Body.Close()
return pruned, response.Process(&pruned)
}
// Remove deletes the given volume from storage. The optional force parameter
// is used to remove a volume even if it is being used by a container.
func Remove(ctx context.Context, nameOrID string, options *RemoveOptions) error {
conn, err := bindings.GetClient(ctx)
if err != nil {
return err
}
params, err := options.ToParams()
if err != nil {
return err
}
response, err := conn.DoRequest(nil, http.MethodDelete, "/volumes/%s", params, nil, nameOrID)
if err != nil {
return err
}
defer response.Body.Close()
return response.Process(nil)
}
// Exists returns true if a given volume exists
func Exists(ctx context.Context, nameOrID string, options *ExistsOptions) (bool, error) {
conn, err := bindings.GetClient(ctx)
if err != nil {
return false, err
}
response, err := conn.DoRequest(nil, http.MethodGet, "/volumes/%s/exists", nil, nil, nameOrID)
if err != nil {
return false, err
}
defer response.Body.Close()
return response.IsSuccess(), nil
}
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