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package registries
// TODO: this package should not exist anymore. Users should either use
// c/image's `sysregistriesv2` package directly OR, even better, we cache a
// config in libpod's image runtime so we don't need to parse the
// registries.conf files redundantly.
import (
"os"
"path/filepath"
"github.com/containers/image/v5/pkg/sysregistriesv2"
"github.com/containers/image/v5/types"
"github.com/containers/podman/v3/pkg/rootless"
"github.com/pkg/errors"
)
// userRegistriesFile is the path to the per user registry configuration file.
var userRegistriesFile = filepath.Join(os.Getenv("HOME"), ".config/containers/registries.conf")
// SystemRegistriesConfPath returns an appropriate value for types.SystemContext.SystemRegistriesConfPath
// (possibly "", which is not an error), taking into account rootless mode and environment variable overrides.
//
// FIXME: This should be centralized in a global SystemContext initializer inherited throughout the code,
// not haphazardly called throughout the way it is being called now.
func SystemRegistriesConfPath() string {
if envOverride := os.Getenv("REGISTRIES_CONFIG_PATH"); len(envOverride) > 0 {
return envOverride
}
if rootless.IsRootless() {
if _, err := os.Stat(userRegistriesFile); err == nil {
return userRegistriesFile
}
}
return ""
}
// GetRegistriesData obtains the list of registries
func GetRegistriesData() ([]sysregistriesv2.Registry, error) {
registries, err := sysregistriesv2.GetRegistries(&types.SystemContext{SystemRegistriesConfPath: SystemRegistriesConfPath()})
if err != nil {
return nil, errors.Wrapf(err, "unable to parse the registries.conf file")
}
return registries, nil
}
// GetRegistries obtains the list of search registries defined in the global registries file.
func GetRegistries() ([]string, error) {
return sysregistriesv2.UnqualifiedSearchRegistries(&types.SystemContext{SystemRegistriesConfPath: SystemRegistriesConfPath()})
}
// GetBlockedRegistries obtains the list of blocked registries defined in the global registries file.
func GetBlockedRegistries() ([]string, error) {
var blockedRegistries []string
registries, err := GetRegistriesData()
if err != nil {
return nil, err
}
for _, reg := range registries {
if reg.Blocked {
blockedRegistries = append(blockedRegistries, reg.Prefix)
}
}
return blockedRegistries, nil
}
// GetInsecureRegistries obtains the list of insecure registries from the global registration file.
func GetInsecureRegistries() ([]string, error) {
var insecureRegistries []string
registries, err := GetRegistriesData()
if err != nil {
return nil, err
}
for _, reg := range registries {
if reg.Insecure {
insecureRegistries = append(insecureRegistries, reg.Prefix)
}
}
return insecureRegistries, nil
}
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