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path: root/pkg/bindings/manifests/manifests.go
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package manifests

import (
	"context"
	"errors"
	"net/http"
	"net/url"
	"strconv"
	"strings"

	"github.com/containers/image/v5/manifest"
	"github.com/containers/podman/v3/pkg/api/handlers"
	"github.com/containers/podman/v3/pkg/bindings"
	"github.com/containers/podman/v3/pkg/bindings/images"
	jsoniter "github.com/json-iterator/go"
)

// Create creates a manifest for the given name.  Optional images to be associated with
// the new manifest can also be specified.  The all boolean specifies to add all entries
// of a list if the name provided is a manifest list.  The ID of the new manifest list
// is returned as a string.
func Create(ctx context.Context, names, images []string, options *CreateOptions) (string, error) {
	var idr handlers.IDResponse
	if options == nil {
		options = new(CreateOptions)
	}
	conn, err := bindings.GetClient(ctx)
	if err != nil {
		return "", err
	}
	if len(names) < 1 {
		return "", errors.New("creating a manifest requires at least one name argument")
	}
	params, err := options.ToParams()
	if err != nil {
		return "", err
	}
	for _, name := range names {
		params.Add("name", name)
	}
	for _, i := range images {
		params.Add("image", i)
	}

	response, err := conn.DoRequest(nil, http.MethodPost, "/manifests/create", params, nil)
	if err != nil {
		return "", err
	}
	return idr.ID, response.Process(&idr)
}

// Exists returns true if a given maifest list exists
func Exists(ctx context.Context, name string, options *ExistsOptions) (bool, error) {
	conn, err := bindings.GetClient(ctx)
	if err != nil {
		return false, err
	}
	response, err := conn.DoRequest(nil, http.MethodGet, "/manifests/%s/exists", nil, nil, name)
	if err != nil {
		return false, err
	}
	return response.IsSuccess(), nil
}

// Inspect returns a manifest list for a given name.
func Inspect(ctx context.Context, name string, options *InspectOptions) (*manifest.Schema2List, error) {
	var list manifest.Schema2List
	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, "/manifests/%s/json", nil, nil, name)
	if err != nil {
		return nil, err
	}
	return &list, response.Process(&list)
}

// Add adds a manifest to a given manifest list.  Additional options for the manifest
// can also be specified.  The ID of the new manifest list is returned as a string
func Add(ctx context.Context, name string, options *AddOptions) (string, error) {
	var idr handlers.IDResponse
	if options == nil {
		options = new(AddOptions)
	}
	conn, err := bindings.GetClient(ctx)
	if err != nil {
		return "", err
	}
	optionsString, err := jsoniter.MarshalToString(options)
	if err != nil {
		return "", err
	}
	stringReader := strings.NewReader(optionsString)
	response, err := conn.DoRequest(stringReader, http.MethodPost, "/manifests/%s/add", nil, nil, name)
	if err != nil {
		return "", err
	}
	return idr.ID, response.Process(&idr)
}

// Remove deletes a manifest entry from a manifest list.  Both name and the digest to be
// removed are mandatory inputs.  The ID of the new manifest list is returned as a string.
func Remove(ctx context.Context, name, digest string, options *RemoveOptions) (string, error) {
	var idr handlers.IDResponse
	if options == nil {
		options = new(RemoveOptions)
	}
	_ = options
	conn, err := bindings.GetClient(ctx)
	if err != nil {
		return "", err
	}
	params := url.Values{}
	params.Set("digest", digest)
	response, err := conn.DoRequest(nil, http.MethodDelete, "/manifests/%s", params, nil, name)
	if err != nil {
		return "", err
	}
	return idr.ID, response.Process(&idr)
}

// Push takes a manifest list and pushes to a destination.  If the destination is not specified,
// the name will be used instead.  If the optional all boolean is specified, all images specified
// in the list will be pushed as well.
func Push(ctx context.Context, name, destination string, options *images.PushOptions) (string, error) {
	var (
		idr handlers.IDResponse
	)
	if options == nil {
		options = new(images.PushOptions)
	}
	if len(destination) < 1 {
		destination = name
	}
	conn, err := bindings.GetClient(ctx)
	if err != nil {
		return "", err
	}
	params, err := options.ToParams()
	if err != nil {
		return "", err
	}
	//SkipTLSVerify is special.  We need to delete the param added by
	//toparams and change the key and flip the bool
	if options.SkipTLSVerify != nil {
		params.Del("SkipTLSVerify")
		params.Set("tlsVerify", strconv.FormatBool(!options.GetSkipTLSVerify()))
	}
	params.Set("image", name)
	params.Set("destination", destination)
	_, err = conn.DoRequest(nil, http.MethodPost, "/manifests/%s/push", params, nil, name)
	if err != nil {
		return "", err
	}
	return idr.ID, err
}

// There is NO annotate endpoint.  this binding could never work
// Annotate updates the image configuration of a given manifest list
//func Annotate(ctx context.Context, name, digest string, options image.ManifestAnnotateOpts) (string, error) {
//	var idr handlers.IDResponse
//	conn, err := bindings.GetClient(ctx)
//	if err != nil {
//		return "", err
//	}
//	params := url.Values{}
//	params.Set("digest", digest)
//	optionsString, err := jsoniter.MarshalToString(options)
//	if err != nil {
//		return "", err
//	}
//	stringReader := strings.NewReader(optionsString)
//	response, err := conn.DoRequest(stringReader, http.MethodPost, "/manifests/%s/annotate", params, name)
//	if err != nil {
//		return "", err
//	}
//	return idr.ID, response.Process(&idr)
//}