feat: add TLS version annotation support for per-rule configuration (#1592)

Co-authored-by: 澄潭 <zty98751@alibaba-inc.com>
This commit is contained in:
yunmaoQu
2025-01-06 21:29:09 +08:00
committed by GitHub
parent 61fef0ecf8
commit 1c2330e33b
2 changed files with 216 additions and 91 deletions

View File

@@ -16,6 +16,7 @@ package annotations
import (
"strings"
"fmt"
networking "istio.io/api/networking/v1alpha3"
gatewaytool "istio.io/istio/pkg/config/gateway"
@@ -27,9 +28,11 @@ import (
)
const (
authTLSSecret = "auth-tls-secret"
sslCipher = "ssl-cipher"
gatewaySdsCaSuffix = "-cacert"
authTLSSecret = "auth-tls-secret"
sslCipher = "ssl-cipher"
gatewaySdsCaSuffix = "-cacert"
annotationMinTLSVersion = "tls-min-protocol-version"
annotationMaxTLSVersion = "tls-max-protocol-version"
)
var (
@@ -41,6 +44,8 @@ type DownstreamTLSConfig struct {
CipherSuites []string
Mode networking.ServerTLSSettings_TLSmode
CASecretName types.NamespacedName
MinVersion string
MaxVersion string
}
type downstreamTLS struct{}
@@ -81,6 +86,14 @@ func (d downstreamTLS) Parse(annotations Annotations, config *Ingress, _ *Global
downstreamTLSConfig.CipherSuites = validCipherSuite
}
if minVersion, err := annotations.ParseStringASAP(annotationMinTLSVersion); err == nil {
downstreamTLSConfig.MinVersion = minVersion
}
if maxVersion, err := annotations.ParseStringASAP(annotationMaxTLSVersion); err == nil {
downstreamTLSConfig.MaxVersion = maxVersion
}
return nil
}
@@ -107,11 +120,45 @@ func (d downstreamTLS) ApplyGateway(gateway *networking.Gateway, config *Ingress
if len(downstreamTLSConfig.CipherSuites) != 0 {
server.Tls.CipherSuites = downstreamTLSConfig.CipherSuites
}
if downstreamTLSConfig.MinVersion != "" {
if version, err := convertTLSVersion(downstreamTLSConfig.MinVersion); err != nil {
IngressLog.Errorf("Invalid minimum TLS version: %v", err)
} else {
server.Tls.MinProtocolVersion = version
}
}
if downstreamTLSConfig.MaxVersion != "" {
if version, err := convertTLSVersion(downstreamTLSConfig.MaxVersion); err != nil {
IngressLog.Errorf("Invalid maximum TLS version: %v", err)
} else {
server.Tls.MaxProtocolVersion = version
}
}
}
}
}
func needDownstreamTLS(annotations Annotations) bool {
return annotations.HasASAP(sslCipher) ||
annotations.HasASAP(authTLSSecret)
annotations.HasASAP(authTLSSecret)||
annotations.HasASAP(annotationMinTLSVersion) ||
annotations.HasASAP(annotationMaxTLSVersion)
}
func convertTLSVersion(version string) (networking.ServerTLSSettings_TLSProtocol, error) {
switch version {
case "TLSv1.0":
return networking.ServerTLSSettings_TLSV1_0 , nil
case "TLSv1.1":
return networking.ServerTLSSettings_TLSV1_1 , nil
case "TLSv1.2":
return networking.ServerTLSSettings_TLSV1_2 , nil
case "TLSv1.3":
default:
return networking.ServerTLSSettings_TLS_AUTO, fmt.Errorf("invalid TLS version: %s. Valid values are: TLSv1.0, TLSv1.1, TLSv1.2, TLSv1.3", version)
}
return networking.ServerTLSSettings_TLS_AUTO, fmt.Errorf("unreachable code, but required by compiler")
}