mirror of
https://github.com/containers/podman
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b75dcd4458
Cockpit team wants to list the registry name where the image was found. Also fix up SearchImages code to check if the user specified a registry in his call to use that rather then all the registries, This matches podman search command. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
68 lines
2.3 KiB
Go
68 lines
2.3 KiB
Go
package registries
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import (
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"os"
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"path/filepath"
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"strings"
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"github.com/containers/image/pkg/sysregistries"
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"github.com/containers/image/types"
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"github.com/containers/libpod/pkg/rootless"
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"github.com/docker/distribution/reference"
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"github.com/pkg/errors"
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)
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// userRegistriesFile is the path to the per user registry configuration file.
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var userRegistriesFile = filepath.Join(os.Getenv("HOME"), ".config/containers/registries.conf")
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// SystemRegistriesConfPath returns an appropriate value for types.SystemContext.SystemRegistriesConfPath
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// (possibly "", which is not an error), taking into account rootless mode and environment variable overrides.
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//
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// FIXME: This should be centralized in a global SystemContext initializer inherited throughout the code,
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// not haphazardly called throughout the way it is being called now.
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func SystemRegistriesConfPath() string {
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if envOverride := os.Getenv("REGISTRIES_CONFIG_PATH"); len(envOverride) > 0 {
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return envOverride
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}
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if rootless.IsRootless() {
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if _, err := os.Stat(userRegistriesFile); err == nil {
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return userRegistriesFile
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}
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}
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return ""
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}
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// GetRegistries obtains the list of registries defined in the global registries file.
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func GetRegistries() ([]string, error) {
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searchRegistries, err := sysregistries.GetRegistries(&types.SystemContext{SystemRegistriesConfPath: SystemRegistriesConfPath()})
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if err != nil {
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return nil, errors.Wrapf(err, "unable to parse the registries.conf file")
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}
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return searchRegistries, nil
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}
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// GetInsecureRegistries obtains the list of insecure registries from the global registration file.
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func GetInsecureRegistries() ([]string, error) {
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registries, err := sysregistries.GetInsecureRegistries(&types.SystemContext{SystemRegistriesConfPath: SystemRegistriesConfPath()})
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if err != nil {
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return nil, errors.Wrapf(err, "unable to parse the registries.conf file")
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}
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return registries, nil
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}
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// GetRegistry returns the registry name from a string if specified
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func GetRegistry(image string) (string, error) {
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// It is possible to only have the registry name in the format "myregistry/"
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// if so, just trim the "/" from the end and return the registry name
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if strings.HasSuffix(image, "/") {
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return strings.TrimSuffix(image, "/"), nil
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}
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imgRef, err := reference.Parse(image)
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if err != nil {
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return "", err
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}
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return reference.Domain(imgRef.(reference.Named)), nil
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}
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