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Make restTLSClientConfig in restConfig a public field
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imdario/mergo, despite its official documentation, does not merge
public fields inside private fields as of v.0.3.9:
darccio/mergo#139

Fixing that seems non-trivial.

Instead, make the restTLSClientConfig a public field of restConfig.

The restConfig type itself remains private, so this does not make anything
actually public outside the subpackage. This way, the calls to mergo work
as expected with both 0.3.8 and 0.3.9.

Signed-off-by: Miloslav Trmač <[email protected]>
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@mtrmac
mtrmac committed Mar 26, 2020
1 parent e556ff7 commit a2b2b61
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Showing 2 changed files with 19 additions and 19 deletions.
32 changes: 16 additions & 16 deletions openshift/openshift-copies.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -65,7 +65,7 @@ type restConfig struct {
BearerToken string

// TLSClientConfig contains settings to enable transport layer security
restTLSClientConfig
TLSClientConfig restTLSClientConfig

// Server should be accessed without verifying the TLS
// certificate. For testing only.
Expand Down Expand Up @@ -238,8 +238,8 @@ func getServerIdentificationPartialConfig(configAuthInfo clientcmdAuthInfo, conf

// configClusterInfo holds the information identify the server provided by .kubeconfig
configClientConfig := &restConfig{}
configClientConfig.CAFile = configClusterInfo.CertificateAuthority
configClientConfig.CAData = configClusterInfo.CertificateAuthorityData
configClientConfig.TLSClientConfig.CAFile = configClusterInfo.CertificateAuthority
configClientConfig.TLSClientConfig.CAData = configClusterInfo.CertificateAuthorityData
configClientConfig.Insecure = configClusterInfo.InsecureSkipTLSVerify
if err := mergo.MergeWithOverwrite(mergedConfig, configClientConfig); err != nil {
return nil, err
Expand All @@ -264,10 +264,10 @@ func getUserIdentificationPartialConfig(configAuthInfo clientcmdAuthInfo) (*rest
mergedConfig.BearerToken = configAuthInfo.Token
}
if len(configAuthInfo.ClientCertificate) > 0 || len(configAuthInfo.ClientCertificateData) > 0 {
mergedConfig.CertFile = configAuthInfo.ClientCertificate
mergedConfig.CertData = configAuthInfo.ClientCertificateData
mergedConfig.KeyFile = configAuthInfo.ClientKey
mergedConfig.KeyData = configAuthInfo.ClientKeyData
mergedConfig.TLSClientConfig.CertFile = configAuthInfo.ClientCertificate
mergedConfig.TLSClientConfig.CertData = configAuthInfo.ClientCertificateData
mergedConfig.TLSClientConfig.KeyFile = configAuthInfo.ClientKey
mergedConfig.TLSClientConfig.KeyData = configAuthInfo.ClientKeyData
}
if len(configAuthInfo.Username) > 0 || len(configAuthInfo.Password) > 0 {
mergedConfig.Username = configAuthInfo.Username
Expand Down Expand Up @@ -806,8 +806,8 @@ func defaultServerURL(host string, defaultTLS bool) (*url.URL, error) {
func defaultServerURLFor(config *restConfig) (*url.URL, error) {
// TODO: move the default to secure when the apiserver supports TLS by default
// config.Insecure is taken to mean "I want HTTPS but don't bother checking the certs against a CA."
hasCA := len(config.CAFile) != 0 || len(config.CAData) != 0
hasCert := len(config.CertFile) != 0 || len(config.CertData) != 0
hasCA := len(config.TLSClientConfig.CAFile) != 0 || len(config.TLSClientConfig.CAData) != 0
hasCert := len(config.TLSClientConfig.CertFile) != 0 || len(config.TLSClientConfig.CertData) != 0
defaultTLS := hasCA || hasCert || config.Insecure
host := config.Host
if host == "" {
Expand Down Expand Up @@ -968,11 +968,11 @@ func tlsConfigFor(c *restConfig) (*tls.Config, error) {
}

if c.HasCA() {
tlsConfig.RootCAs = rootCertPool(c.CAData)
tlsConfig.RootCAs = rootCertPool(c.TLSClientConfig.CAData)
}

if c.HasCertAuth() {
cert, err := tls.X509KeyPair(c.CertData, c.KeyData)
cert, err := tls.X509KeyPair(c.TLSClientConfig.CertData, c.TLSClientConfig.KeyData)
if err != nil {
return nil, err
}
Expand All @@ -988,17 +988,17 @@ func tlsConfigFor(c *restConfig) (*tls.Config, error) {
// either populated or were empty to start.
func loadTLSFiles(c *restConfig) error {
var err error
c.CAData, err = dataFromSliceOrFile(c.CAData, c.CAFile)
c.TLSClientConfig.CAData, err = dataFromSliceOrFile(c.TLSClientConfig.CAData, c.TLSClientConfig.CAFile)
if err != nil {
return err
}

c.CertData, err = dataFromSliceOrFile(c.CertData, c.CertFile)
c.TLSClientConfig.CertData, err = dataFromSliceOrFile(c.TLSClientConfig.CertData, c.TLSClientConfig.CertFile)
if err != nil {
return err
}

c.KeyData, err = dataFromSliceOrFile(c.KeyData, c.KeyFile)
c.TLSClientConfig.KeyData, err = dataFromSliceOrFile(c.TLSClientConfig.KeyData, c.TLSClientConfig.KeyFile)
if err != nil {
return err
}
Expand Down Expand Up @@ -1042,13 +1042,13 @@ func rootCertPool(caData []byte) *x509.CertPool {
// HasCA is a modified copy of k8s.io/kubernetes/pkg/client/transport.Config.HasCA.
// HasCA returns whether the configuration has a certificate authority or not.
func (c *restConfig) HasCA() bool {
return len(c.CAData) > 0 || len(c.CAFile) > 0
return len(c.TLSClientConfig.CAData) > 0 || len(c.TLSClientConfig.CAFile) > 0
}

// HasCertAuth is a modified copy of k8s.io/kubernetes/pkg/client/transport.Config.HasCertAuth.
// HasCertAuth returns whether the configuration has certificate authentication or not.
func (c *restConfig) HasCertAuth() bool {
return len(c.CertData) != 0 || len(c.CertFile) != 0
return len(c.TLSClientConfig.CertData) != 0 || len(c.TLSClientConfig.CertFile) != 0
}

// clientcmdConfig is a modified copy of k8s.io/kubernetes/pkg/client/unversioned/clientcmd/api.Config.
Expand Down
6 changes: 3 additions & 3 deletions openshift/openshift-copies_test.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -78,7 +78,7 @@ func TestDirectClientConfig(t *testing.T) {
require.NoError(t, err)
assert.Equal(t, &restConfig{
Host: "https://172.17.0.2:8443",
restTLSClientConfig: restTLSClientConfig{
TLSClientConfig: restTLSClientConfig{
CertData: []byte("Client cert"),
KeyData: []byte("Client key"),
CAData: []byte("Cluster CA"),
Expand All @@ -96,7 +96,7 @@ func TestDeferredLoadingClientConfig(t *testing.T) {
require.NoError(t, err)
assert.Equal(t, &restConfig{
Host: "https://172.17.0.2:8443",
restTLSClientConfig: restTLSClientConfig{
TLSClientConfig: restTLSClientConfig{
CertData: []byte("Client cert"),
KeyData: []byte("Client key"),
CAData: []byte("Cluster CA"),
Expand All @@ -113,7 +113,7 @@ func TestDefaultClientConfig(t *testing.T) {
require.NoError(t, err)
assert.Equal(t, &restConfig{
Host: "https://172.17.0.2:8443",
restTLSClientConfig: restTLSClientConfig{
TLSClientConfig: restTLSClientConfig{
CertData: []byte("Client cert"),
KeyData: []byte("Client key"),
CAData: []byte("Cluster CA"),
Expand Down

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