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package images
import (
"context"
"io"
"net/http"
"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.GetConnectionFromContext(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.GetConnectionFromContext(ctx)
if err != nil {
return nil, err
}
params := make(map[string]string)
if all != nil {
params["all"] = strconv.FormatBool(*all)
}
if filters != nil {
strFilters, err := bindings.FiltersToString(filters)
if err != nil {
return nil, err
}
params["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.GetConnectionFromContext(ctx)
if err != nil {
return nil, err
}
params := make(map[string]string)
if size != nil {
params["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.GetConnectionFromContext(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) error {
conn, err := bindings.GetConnectionFromContext(ctx)
if err != nil {
return err
}
// TODO this still needs error handling added
//_, err := http.Post(c.makeEndpoint("/images/loads"), "application/json", r) //nolint
_ = conn
return bindings.ErrNotImplemented
}
// 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.GetConnectionFromContext(ctx)
if err != nil {
return nil, err
}
params := make(map[string]string)
if force != nil {
params["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.GetConnectionFromContext(ctx)
if err != nil {
return err
}
params := make(map[string]string)
if format != nil {
params["format"] = *format
}
if compress != nil {
params["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.GetConnectionFromContext(ctx)
if err != nil {
return nil, err
}
params := make(map[string]string)
if filters != nil {
stringFilter, err := bindings.FiltersToString(filters)
if err != nil {
return nil, err
}
params["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.GetConnectionFromContext(ctx)
if err != nil {
return err
}
params := make(map[string]string)
params["tag"] = tag
params["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) {}
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