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feat(ingress): support custom parameter names for MCP SSE stateful sessions (#3008)

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hellocn9
2025-10-16 15:36:05 +08:00
committed by GitHub
parent a98971f8d5
commit a7cd4c0ad6
2 changed files with 18 additions and 9 deletions
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10
pkg/ingress/config/ingress_config.go
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@@ -653,7 +653,7 @@ func (m *IngressConfig) convertEnvoyFilter(convertOptions *common.ConvertOptions
loadBalance := route.WrapperConfig.AnnotationsConfig.LoadBalance
if loadBalance != nil && loadBalance.McpSseStateful {
IngressLog.Infof("Found MCP SSE stateful session for route %s", route.HTTPRoute.Name)
envoyFilter, err := m.constructMcpSseStatefulSessionEnvoyFilter(route, m.namespace, initMcpSseGlobalFilter)
envoyFilter, err := m.constructMcpSseStatefulSessionEnvoyFilter(route, m.namespace, initMcpSseGlobalFilter, loadBalance.McpSseStatefulKey)
if err != nil {
IngressLog.Errorf("Construct MCP SSE stateful session EnvoyFilter error %v", err)
} else {
@@ -1956,7 +1956,7 @@ func (m *IngressConfig) Delete(config.GroupVersionKind, string, string, *string)
return common.ErrUnsupportedOp
}
func (m *IngressConfig) constructMcpSseStatefulSessionEnvoyFilter(route *common.WrapperHTTPRoute, namespace string, initGlobalFilter bool) (*config.Config, error) {
func (m *IngressConfig) constructMcpSseStatefulSessionEnvoyFilter(route *common.WrapperHTTPRoute, namespace string, initGlobalFilter bool, mcpSseStatefulKey string) (*config.Config, error) {
httpRoute := route.HTTPRoute
var configPatches []*networking.EnvoyFilter_EnvoyConfigObjectPatch
@@ -2010,7 +2010,7 @@ func (m *IngressConfig) constructMcpSseStatefulSessionEnvoyFilter(route *common.
},
Patch: &networking.EnvoyFilter_Patch{
Operation: networking.EnvoyFilter_Patch_MERGE,
Value: buildPatchStruct(`{
Value: buildPatchStruct(fmt.Sprintf(`{
"typed_per_filter_config": {
"envoy.filters.http.mcp_sse_stateful_session": {
"@type": "type.googleapis.com/udpa.type.v1.TypedStruct",
@@ -2023,7 +2023,7 @@ func (m *IngressConfig) constructMcpSseStatefulSessionEnvoyFilter(route *common.
"@type": "type.googleapis.com/udpa.type.v1.TypedStruct",
"type_url": "type.googleapis.com/envoy.extensions.http.mcp_sse_stateful_session.envelope.v3alpha.EnvelopeSessionState",
"value": {
"param_name": "sessionId",
"param_name": "%s",
"chunk_end_patterns": ["\r\n\r\n", "\n\n", "\r\r"]
}
}
@@ -2033,7 +2033,7 @@ func (m *IngressConfig) constructMcpSseStatefulSessionEnvoyFilter(route *common.
}
}
}
}`),
}`, mcpSseStatefulKey)),
},
})