92 lines
3.0 KiB
Go
92 lines
3.0 KiB
Go
package utils
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import (
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"fmt"
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"net/http"
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"github.com/containers/image/v5/docker"
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"github.com/containers/image/v5/storage"
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"github.com/containers/image/v5/transports/alltransports"
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"github.com/containers/image/v5/types"
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"github.com/containers/libpod/libpod"
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"github.com/containers/libpod/libpod/image"
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"github.com/gorilla/schema"
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"github.com/pkg/errors"
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)
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// ParseDockerReference parses the specified image name to a
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// `types.ImageReference` and enforces it to refer to a docker-transport
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// reference.
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func ParseDockerReference(name string) (types.ImageReference, error) {
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dockerPrefix := fmt.Sprintf("%s://", docker.Transport.Name())
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imageRef, err := alltransports.ParseImageName(name)
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if err == nil && imageRef.Transport().Name() != docker.Transport.Name() {
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return nil, errors.Errorf("reference %q must be a docker reference", name)
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} else if err != nil {
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origErr := err
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imageRef, err = alltransports.ParseImageName(fmt.Sprintf("%s%s", dockerPrefix, name))
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if err != nil {
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return nil, errors.Wrapf(origErr, "reference %q must be a docker reference", name)
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}
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}
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return imageRef, nil
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}
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// ParseStorageReference parses the specified image name to a
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// `types.ImageReference` and enforces it to refer to a
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// containers-storage-transport reference.
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func ParseStorageReference(name string) (types.ImageReference, error) {
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storagePrefix := fmt.Sprintf("%s:", storage.Transport.Name())
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imageRef, err := alltransports.ParseImageName(name)
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if err == nil && imageRef.Transport().Name() != docker.Transport.Name() {
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return nil, errors.Errorf("reference %q must be a storage reference", name)
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} else if err != nil {
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origErr := err
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imageRef, err = alltransports.ParseImageName(fmt.Sprintf("%s%s", storagePrefix, name))
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if err != nil {
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return nil, errors.Wrapf(origErr, "reference %q must be a storage reference", name)
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}
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}
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return imageRef, nil
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}
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// GetImages is a common function used to get images for libpod and other compatibility
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// mechanisms
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func GetImages(w http.ResponseWriter, r *http.Request) ([]*image.Image, error) {
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decoder := r.Context().Value("decoder").(*schema.Decoder)
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runtime := r.Context().Value("runtime").(*libpod.Runtime)
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query := struct {
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All bool
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Filters map[string][]string `schema:"filters"`
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Digests bool
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}{
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// This is where you can override the golang default value for one of fields
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}
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// TODO I think all is implemented with a filter?
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if err := decoder.Decode(&query, r.URL.Query()); err != nil {
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return nil, err
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}
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var filters = []string{}
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if _, found := r.URL.Query()["digests"]; found && query.Digests {
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UnSupportedParameter("digests")
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}
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if len(query.Filters) > 0 {
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for k, v := range query.Filters {
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for _, val := range v {
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filters = append(filters, fmt.Sprintf("%s=%s", k, val))
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}
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}
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return runtime.ImageRuntime().GetImagesWithFilters(filters)
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} else {
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return runtime.ImageRuntime().GetImages()
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}
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}
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func GetImage(r *http.Request, name string) (*image.Image, error) {
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runtime := r.Context().Value("runtime").(*libpod.Runtime)
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return runtime.ImageRuntime().NewFromLocal(name)
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}
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