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clientimpl_validator.go
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/
clientimpl_validator.go
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/*
*
* Copyright 2022 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package xdsclient
import (
"fmt"
"google.golang.org/grpc/xds/internal/xdsclient/xdsresource"
)
func (c *clientImpl) filterChainUpdateValidator(fc *xdsresource.FilterChain) error {
if fc == nil {
return nil
}
return c.securityConfigUpdateValidator(fc.SecurityCfg)
}
func (c *clientImpl) securityConfigUpdateValidator(sc *xdsresource.SecurityConfig) error {
if sc == nil {
return nil
}
if sc.IdentityInstanceName != "" {
if _, ok := c.config.CertProviderConfigs[sc.IdentityInstanceName]; !ok {
return fmt.Errorf("identitiy certificate provider instance name %q missing in bootstrap configuration", sc.IdentityInstanceName)
}
}
if sc.RootInstanceName != "" {
if _, ok := c.config.CertProviderConfigs[sc.RootInstanceName]; !ok {
return fmt.Errorf("root certificate provider instance name %q missing in bootstrap configuration", sc.RootInstanceName)
}
}
return nil
}
func (c *clientImpl) updateValidator(u interface{}) error {
switch update := u.(type) {
case xdsresource.ListenerUpdate:
if update.InboundListenerCfg == nil || update.InboundListenerCfg.FilterChains == nil {
return nil
}
return update.InboundListenerCfg.FilterChains.Validate(c.filterChainUpdateValidator)
case xdsresource.ClusterUpdate:
return c.securityConfigUpdateValidator(update.SecurityCfg)
default:
// We currently invoke this update validation function only for LDS and
// CDS updates. In the future, if we wish to invoke it for other xDS
// updates, corresponding plumbing needs to be added to those unmarshal
// functions.
}
return nil
}