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package volumes
import (
"context"
"net/http"
"net/url"
"strconv"
"strings"
"github.com/containers/libpod/libpod"
"github.com/containers/libpod/pkg/api/handlers"
"github.com/containers/libpod/pkg/bindings"
jsoniter "github.com/json-iterator/go"
)
// Create creates a volume given its configuration.
func Create(ctx context.Context, config handlers.VolumeCreateConfig) (*libpod.VolumeConfig, error) {
var (
v libpod.VolumeConfig
)
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)
if err != nil {
return nil, err
}
return &v, response.Process(&v)
}
// Inspect returns low-level information about a volume.
func Inspect(ctx context.Context, nameOrID string) (*libpod.InspectVolumeData, error) {
var (
inspect libpod.InspectVolumeData
)
conn, err := bindings.GetClient(ctx)
if err != nil {
return nil, err
}
response, err := conn.DoRequest(nil, http.MethodGet, "/volumes/%s/json", nil, nameOrID)
if err != nil {
return &inspect, err
}
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, filters map[string][]string) ([]*libpod.VolumeConfig, error) {
var (
vols []*libpod.VolumeConfig
)
conn, err := bindings.GetClient(ctx)
if err != nil {
return nil, err
}
params := url.Values{}
if len(filters) > 0 {
strFilters, err := bindings.FiltersToString(filters)
if err != nil {
return nil, err
}
params.Set("filters", strFilters)
}
response, err := conn.DoRequest(nil, http.MethodGet, "/volumes/json", params)
if err != nil {
return vols, err
}
return vols, response.Process(&vols)
}
// Prune removes unused volumes from the local filesystem.
func Prune(ctx context.Context) ([]string, error) {
var (
pruned []string
)
conn, err := bindings.GetClient(ctx)
if err != nil {
return nil, err
}
response, err := conn.DoRequest(nil, http.MethodPost, "/volumes/prune", nil)
if err != nil {
return pruned, err
}
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, force *bool) error {
conn, err := bindings.GetClient(ctx)
if err != nil {
return err
}
params := url.Values{}
if force != nil {
params.Set("force", strconv.FormatBool(*force))
}
response, err := conn.DoRequest(nil, http.MethodDelete, "/volumes/%s", params, nameOrID)
if err != nil {
return err
}
return response.Process(nil)
}
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