You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
111 lines
3.2 KiB
Go
111 lines
3.2 KiB
Go
package container
|
|
|
|
import (
|
|
"errors"
|
|
"os"
|
|
"strings"
|
|
|
|
log "github.com/Sirupsen/logrus"
|
|
"github.com/docker/docker/api/types"
|
|
"github.com/docker/docker/api/types/reference"
|
|
"github.com/docker/docker/cli/command"
|
|
"github.com/docker/docker/cliconfig"
|
|
"github.com/docker/docker/cliconfig/configfile"
|
|
"github.com/docker/docker/cliconfig/credentials"
|
|
)
|
|
|
|
/**
|
|
* Return an encoded auth config for the given registry
|
|
* loaded from environment variables or docker config
|
|
* as available in that order
|
|
*/
|
|
func EncodedAuth(ref string) (string, error) {
|
|
auth, err := EncodedEnvAuth(ref)
|
|
if err != nil {
|
|
auth, err = EncodedConfigAuth(ref)
|
|
}
|
|
return auth, err
|
|
}
|
|
|
|
/*
|
|
* Return an encoded auth config for the given registry
|
|
* loaded from environment variables
|
|
* Returns an error if authentication environment variables have not been set
|
|
*/
|
|
func EncodedEnvAuth(ref string) (string, error) {
|
|
username := os.Getenv("REPO_USER")
|
|
password := os.Getenv("REPO_PASS")
|
|
if username != "" && password != "" {
|
|
auth := types.AuthConfig{
|
|
Username: username,
|
|
Password: password,
|
|
}
|
|
log.Debugf("Loaded auth credentials %s for %s", auth, ref)
|
|
return EncodeAuth(auth)
|
|
} else {
|
|
return "", errors.New("Registry auth environment variables (REPO_USER, REPO_PASS) not set")
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Return an encoded auth config for the given registry
|
|
* loaded from the docker config
|
|
* Returns an empty string if credentials cannot be found for the referenced server
|
|
* The docker config must be mounted on the container
|
|
*/
|
|
func EncodedConfigAuth(ref string) (string, error) {
|
|
server, err := ParseServerAddress(ref)
|
|
configDir := os.Getenv("DOCKER_CONFIG")
|
|
if configDir == "" {
|
|
configDir = "/"
|
|
}
|
|
configFile, err := cliconfig.Load(configDir)
|
|
if err != nil {
|
|
log.Errorf("Unable to find default config file %s", err)
|
|
return "", err
|
|
}
|
|
credStore := CredentialsStore(*configFile)
|
|
auth, err := credStore.Get(server) // returns (types.AuthConfig{}) if server not in credStore
|
|
if auth == (types.AuthConfig{}) {
|
|
log.Debugf("No credentials for %s in %s", server, configFile.Filename)
|
|
return "", nil
|
|
}
|
|
log.Debugf("Loaded auth credentials %s from %s", auth, configFile.Filename)
|
|
return EncodeAuth(auth)
|
|
}
|
|
|
|
func ParseServerAddress(ref string) (string, error) {
|
|
repository, _, err := reference.Parse(ref)
|
|
if err != nil {
|
|
return ref, err
|
|
}
|
|
parts := strings.Split(repository, "/")
|
|
return parts[0], nil
|
|
}
|
|
|
|
// CredentialsStore returns a new credentials store based
|
|
// on the settings provided in the configuration file.
|
|
func CredentialsStore(configFile configfile.ConfigFile) credentials.Store {
|
|
if configFile.CredentialsStore != "" {
|
|
return credentials.NewNativeStore(&configFile, configFile.CredentialsStore)
|
|
}
|
|
return credentials.NewFileStore(&configFile)
|
|
}
|
|
|
|
/*
|
|
* Base64 encode an AuthConfig struct for transmission over HTTP
|
|
*/
|
|
func EncodeAuth(auth types.AuthConfig) (string, error) {
|
|
return command.EncodeAuthToBase64(auth)
|
|
}
|
|
|
|
/**
|
|
* This function will be invoked if an AuthConfig is rejected
|
|
* It could be used to return a new value for the "X-Registry-Auth" authentication header,
|
|
* but there's no point trying again with the same value as used in AuthConfig
|
|
*/
|
|
func DefaultAuthHandler() (string, error) {
|
|
log.Debug("Authentication request was rejected. Trying again without authentication")
|
|
return "", nil
|
|
}
|