map for container ports to host ports

Author: leon-ape

controllers/apps/component/component_controller.go

@@ -151,6 +151,8 @@ func (r *ComponentReconciler) Reconcile(ctx context.Context, req ctrl.Request) (
 			&componentMonitorContainerTransformer{},
 			// allocate ports for host-network component
 			&componentHostNetworkTransformer{},
+			// map for container ports to host ports
+			&componentHostPortTransformer{},
 			// handle component services
 			&componentServiceTransformer{},
 			// handle component system accounts

controllers/apps/component/transformer_component_hostport.go

@@ -0,0 +1,58 @@
+/*
+Copyright (C) 2022-2025 ApeCloud Co., Ltd
+
+This file is part of KubeBlocks project
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package component
+
+import (
+	"github.com/apecloud/kubeblocks/pkg/controller/graph"
+)
+
+type componentHostPortTransformer struct{}
+
+var _ graph.Transformer = &componentHostPortTransformer{}
+
+func (t *componentHostPortTransformer) Transform(ctx graph.TransformContext, dag *graph.DAG) error {
+	transCtx, _ := ctx.(*componentTransformContext)
+	if isCompDeleting(transCtx.ComponentOrig) {
+		return nil
+	}
+
+	synthesizedComp := transCtx.SynthesizeComponent
+	if synthesizedComp == nil ||
+		synthesizedComp.PodSpec.HostNetwork ||
+		synthesizedComp.Network == nil ||
+		synthesizedComp.Network.HostNetwork {
+		return nil
+	}
+
+	ports := map[string]int32{}
+	for _, hostPort := range synthesizedComp.Network.HostPorts {
+		ports[hostPort.Name] = hostPort.Port
+	}
+	if len(ports) > 0 {
+		for i, c := range synthesizedComp.PodSpec.Containers {
+			for j, p := range c.Ports {
+				if hostPort, ok := ports[p.Name]; ok {
+					synthesizedComp.PodSpec.Containers[i].Ports[j].HostPort = hostPort
+				}
+			}
+		}
+	}
+	return nil
+}