// handleLocationChange goes through all service account dockercfg secrets and updates them to point at a new docker-registry location
func (e *DockerRegistryServiceController) handleLocationChange(serviceLocation string) error {
e.dockercfgController.SetDockerURL(serviceLocation)
dockercfgSecrets, err := e.listDockercfgSecrets()
if err != nil {
return err
}
for _, dockercfgSecret := range dockercfgSecrets {
dockercfg := &credentialprovider.DockerConfig{}
if err := json.Unmarshal(dockercfgSecret.Data[api.DockerConfigKey], dockercfg); err != nil {
util.HandleError(err)
continue
}
dockercfgMap := map[string]credentialprovider.DockerConfigEntry(*dockercfg)
keys := util.KeySet(reflect.ValueOf(dockercfgMap))
if len(keys) != 1 {
util.HandleError(err)
continue
}
oldKey := keys.List()[0]
// if there's no change, skip
if oldKey == serviceLocation {
continue
}
dockercfgMap[serviceLocation] = dockercfgMap[oldKey]
delete(dockercfgMap, oldKey)
t := credentialprovider.DockerConfig(dockercfgMap)
dockercfg = &t
dockercfgContent, err := json.Marshal(dockercfg)
if err != nil {
util.HandleError(err)
continue
}
dockercfgSecret.Data[api.DockerConfigKey] = dockercfgContent
if _, err := e.client.Secrets(dockercfgSecret.Namespace).Update(dockercfgSecret); err != nil {
util.HandleError(err)
continue
}
}
return err
}
func TestPullWithSecrets(t *testing.T) {
// auth value is equivalent to: "username":"******","password":"******"
dockerCfg := map[string]map[string]string{"index.docker.io/v1/": {"email": "passed-email", "auth": "cGFzc2VkLXVzZXI6cGFzc2VkLXBhc3N3b3Jk"}}
dockercfgContent, err := json.Marshal(dockerCfg)
if err != nil {
t.Errorf("unexpected error: %v", err)
}
tests := map[string]struct {
imageName string
passedSecrets []api.Secret
builtInDockerConfig credentialprovider.DockerConfig
expectedPulls []string
}{
"no matching secrets": {
"ubuntu",
[]api.Secret{},
credentialprovider.DockerConfig(map[string]credentialprovider.DockerConfigEntry{}),
[]string{"ubuntu:latest using {}"},
},
"default keyring secrets": {
"ubuntu",
[]api.Secret{},
credentialprovider.DockerConfig(map[string]credentialprovider.DockerConfigEntry{"index.docker.io/v1/": {"built-in", "password", "email"}}),
[]string{`ubuntu:latest using {"username":"******","password":"******","email":"email"}`},
},
"default keyring secrets unused": {
"ubuntu",
[]api.Secret{},
credentialprovider.DockerConfig(map[string]credentialprovider.DockerConfigEntry{"extraneous": {"built-in", "password", "email"}}),
[]string{`ubuntu:latest using {}`},
},
"builtin keyring secrets, but use passed": {
"ubuntu",
[]api.Secret{{Type: api.SecretTypeDockercfg, Data: map[string][]byte{api.DockerConfigKey: dockercfgContent}}},
credentialprovider.DockerConfig(map[string]credentialprovider.DockerConfigEntry{"index.docker.io/v1/": {"built-in", "password", "email"}}),
[]string{`ubuntu:latest using {"username":"******","password":"******","email":"passed-email"}`},
},
}
for _, test := range tests {
builtInKeyRing := &credentialprovider.BasicDockerKeyring{}
builtInKeyRing.Add(test.builtInDockerConfig)
fakeClient := &FakeDockerClient{}
dp := dockerPuller{
client: fakeClient,
keyring: builtInKeyRing,
}
err := dp.Pull(test.imageName, test.passedSecrets)
if err != nil {
t.Errorf("unexpected non-nil err: %s", err)
continue
}
if e, a := 1, len(fakeClient.pulled); e != a {
t.Errorf("%s: expected 1 pulled image, got %d: %v", test.imageName, a, fakeClient.pulled)
continue
}
if e, a := test.expectedPulls, fakeClient.pulled; !reflect.DeepEqual(e, a) {
t.Errorf("%s: expected pull of %v, but got %v", test.imageName, e, a)
}
}
}