package images import ( "context" "errors" "io" "net/http" "net/url" "strconv" "github.com/containers/libpod/pkg/api/handlers" "github.com/containers/libpod/pkg/bindings" "github.com/containers/libpod/pkg/inspect" ) // Exists a lightweight way to determine if an image exists in local storage. It returns a // boolean response. func Exists(ctx context.Context, nameOrID string) (bool, error) { conn, err := bindings.GetClient(ctx) if err != nil { return false, err } response, err := conn.DoRequest(nil, http.MethodGet, "/images/%s/exists", nil, nameOrID) if err != nil { return false, err } return response.IsSuccess(), nil } // List returns a list of images in local storage. The all boolean and filters parameters are optional // ways to alter the image query. func List(ctx context.Context, all *bool, filters map[string][]string) ([]*handlers.ImageSummary, error) { var imageSummary []*handlers.ImageSummary conn, err := bindings.GetClient(ctx) if err != nil { return nil, err } params := url.Values{} if all != nil { params.Set("all", strconv.FormatBool(*all)) } if filters != nil { strFilters, err := bindings.FiltersToString(filters) if err != nil { return nil, err } params.Set("filters", strFilters) } response, err := conn.DoRequest(nil, http.MethodGet, "/images/json", params) if err != nil { return imageSummary, err } return imageSummary, response.Process(&imageSummary) } // Get performs an image inspect. To have the on-disk size of the image calculated, you can // use the optional size parameter. func GetImage(ctx context.Context, nameOrID string, size *bool) (*inspect.ImageData, error) { conn, err := bindings.GetClient(ctx) if err != nil { return nil, err } params := url.Values{} if size != nil { params.Set("size", strconv.FormatBool(*size)) } inspectedData := inspect.ImageData{} response, err := conn.DoRequest(nil, http.MethodGet, "/images/%s/json", params, nameOrID) if err != nil { return &inspectedData, err } return &inspectedData, response.Process(&inspectedData) } func ImageTree(ctx context.Context, nameOrId string) error { return bindings.ErrNotImplemented } // History returns the parent layers of an image. func History(ctx context.Context, nameOrID string) ([]*handlers.HistoryResponse, error) { var history []*handlers.HistoryResponse conn, err := bindings.GetClient(ctx) if err != nil { return nil, err } response, err := conn.DoRequest(nil, http.MethodGet, "/images/%s/history", nil, nameOrID) if err != nil { return history, err } return history, response.Process(&history) } func Load(ctx context.Context, r io.Reader, name *string) (string, error) { var id handlers.IDResponse conn, err := bindings.GetClient(ctx) if err != nil { return "", err } params := url.Values{} if name != nil { params.Set("reference", *name) } response, err := conn.DoRequest(r, http.MethodPost, "/images/load", params) if err != nil { return "", err } return id.ID, response.Process(&id) } // Remove deletes an image from local storage. The optional force parameter will forcibly remove // the image by removing all all containers, including those that are Running, first. func Remove(ctx context.Context, nameOrID string, force *bool) ([]map[string]string, error) { var deletes []map[string]string conn, err := bindings.GetClient(ctx) if err != nil { return nil, err } params := url.Values{} if force != nil { params.Set("force", strconv.FormatBool(*force)) } response, err := conn.DoRequest(nil, http.MethodDelete, "/images/%s", params, nameOrID) if err != nil { return nil, err } return deletes, response.Process(&deletes) } // Export saves an image from local storage as a tarball or image archive. The optional format // parameter is used to change the format of the output. func Export(ctx context.Context, nameOrID string, w io.Writer, format *string, compress *bool) error { conn, err := bindings.GetClient(ctx) if err != nil { return err } params := url.Values{} if format != nil { params.Set("format", *format) } if compress != nil { params.Set("compress", strconv.FormatBool(*compress)) } response, err := conn.DoRequest(nil, http.MethodGet, "/images/%s/get", params, nameOrID) if err != nil { return err } if err := response.Process(nil); err != nil { return err } _, err = io.Copy(w, response.Body) return err } // Prune removes unused images from local storage. The optional filters can be used to further // define which images should be pruned. func Prune(ctx context.Context, filters map[string][]string) ([]string, error) { var ( deleted []string ) conn, err := bindings.GetClient(ctx) if err != nil { return nil, err } params := url.Values{} if filters != nil { stringFilter, err := bindings.FiltersToString(filters) if err != nil { return nil, err } params.Set("filters", stringFilter) } response, err := conn.DoRequest(nil, http.MethodPost, "/images/prune", params) if err != nil { return deleted, err } return deleted, response.Process(nil) } // Tag adds an additional name to locally-stored image. Both the tag and repo parameters are required. func Tag(ctx context.Context, nameOrID, tag, repo string) error { conn, err := bindings.GetClient(ctx) if err != nil { return err } params := url.Values{} params.Set("tag", tag) params.Set("repo", repo) response, err := conn.DoRequest(nil, http.MethodPost, "/images/%s/tag", params, nameOrID) if err != nil { return err } return response.Process(nil) } func Build(nameOrId string) {} // Imports adds the given image to the local image store. This can be done by file and the given reader // or via the url parameter. Additional metadata can be associated with the image by using the changes and // message parameters. The image can also be tagged given a reference. One of url OR r must be provided. func Import(ctx context.Context, changes []string, message, reference, u *string, r io.Reader) (string, error) { var id handlers.IDResponse if r != nil && u != nil { return "", errors.New("url and r parameters cannot be used together") } conn, err := bindings.GetClient(ctx) if err != nil { return "", err } params := url.Values{} for _, change := range changes { params.Add("changes", change) } if message != nil { params.Set("message", *message) } if reference != nil { params.Set("reference", *reference) } if u != nil { params.Set("url", *u) } response, err := conn.DoRequest(r, http.MethodPost, "/images/import", params) if err != nil { return "", err } return id.ID, response.Process(&id) }