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e930340e73
The registries package should be retired. It was introduced as an easier to use wrapper around c/image `sysregistries` which has been replaced by `sysregistriesv2` a long while ago. Users should either use the `sysregistriesv2` package directly or, even better, we cache the config in libpod's image runtime to prevent redundant (and ~expensive) parsing of the registries.conf files. For now, just add a note in hope we'll not forgert about it when we find time in the future. Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
83 lines
2.7 KiB
Go
83 lines
2.7 KiB
Go
package registries
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// TODO: this package should not exist anymore. Users should either use
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// c/image's `sysregistriesv2` package directly OR, even better, we cache a
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// config in libpod's image runtime so we don't need to parse the
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// registries.conf files redundantly.
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import (
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"os"
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"path/filepath"
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"github.com/containers/image/v5/pkg/sysregistriesv2"
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"github.com/containers/image/v5/types"
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"github.com/containers/podman/v2/pkg/rootless"
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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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// GetRegistriesData obtains the list of registries
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func GetRegistriesData() ([]sysregistriesv2.Registry, error) {
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registries, err := sysregistriesv2.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 registries, nil
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}
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// GetRegistries obtains the list of search registries defined in the global registries file.
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func GetRegistries() ([]string, error) {
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return sysregistriesv2.UnqualifiedSearchRegistries(&types.SystemContext{SystemRegistriesConfPath: SystemRegistriesConfPath()})
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}
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// GetBlockedRegistries obtains the list of blocked registries defined in the global registries file.
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func GetBlockedRegistries() ([]string, error) {
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var blockedRegistries []string
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registries, err := GetRegistriesData()
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if err != nil {
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return nil, err
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}
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for _, reg := range registries {
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if reg.Blocked {
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blockedRegistries = append(blockedRegistries, reg.Prefix)
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}
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}
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return blockedRegistries, 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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var insecureRegistries []string
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registries, err := GetRegistriesData()
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if err != nil {
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return nil, err
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}
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for _, reg := range registries {
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if reg.Insecure {
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insecureRegistries = append(insecureRegistries, reg.Prefix)
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}
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}
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return insecureRegistries, nil
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}
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