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75 changes: 75 additions & 0 deletions
75
...vice/src/main/java/com/huaweicloud/sermant/router/config/handler/GlobalConfigHandler.java
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/* | ||
* Copyright (C) 2023-2023 Huawei Technologies Co., Ltd. All rights reserved. | ||
* | ||
* 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. | ||
*/ | ||
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package com.huaweicloud.sermant.router.config.handler; | ||
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import com.huaweicloud.sermant.core.service.dynamicconfig.common.DynamicConfigEvent; | ||
import com.huaweicloud.sermant.core.service.dynamicconfig.common.DynamicConfigEventType; | ||
import com.huaweicloud.sermant.core.utils.StringUtils; | ||
import com.huaweicloud.sermant.router.common.constants.RouterConstant; | ||
import com.huaweicloud.sermant.router.common.utils.CollectionUtils; | ||
import com.huaweicloud.sermant.router.config.cache.ConfigCache; | ||
import com.huaweicloud.sermant.router.config.entity.RouterConfiguration; | ||
import com.huaweicloud.sermant.router.config.entity.Rule; | ||
import com.huaweicloud.sermant.router.config.utils.RuleUtils; | ||
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import com.alibaba.fastjson.JSONArray; | ||
import com.alibaba.fastjson.JSONObject; | ||
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import java.util.Collections; | ||
import java.util.List; | ||
import java.util.Map; | ||
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/** | ||
* 全局标签路由 | ||
* | ||
* @author provenceee | ||
* @since 2023-09-20 | ||
*/ | ||
public class GlobalConfigHandler extends AbstractConfigHandler { | ||
@Override | ||
public void handle(DynamicConfigEvent event, String cacheName) { | ||
RouterConfiguration configuration = ConfigCache.getLabel(cacheName); | ||
if (event.getEventType() == DynamicConfigEventType.DELETE) { | ||
configuration.resetGlobalRules(Collections.emptyList()); | ||
RuleUtils.initMatchKeys(configuration); | ||
return; | ||
} | ||
List<Rule> list = JSONArray.parseArray(JSONObject.toJSONString(getRule(event)), Rule.class); | ||
RuleUtils.removeInvalidRules(list); | ||
if (CollectionUtils.isEmpty(list)) { | ||
configuration.resetGlobalRules(Collections.emptyList()); | ||
} else { | ||
list.sort((o1, o2) -> o2.getPrecedence() - o1.getPrecedence()); | ||
configuration.resetGlobalRules(list); | ||
} | ||
RuleUtils.initMatchKeys(configuration); | ||
} | ||
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@Override | ||
public boolean shouldHandle(String key) { | ||
return RouterConstant.GLOBAL_ROUTER_KEY.equals(key); | ||
} | ||
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private List<Map<String, Object>> getRule(DynamicConfigEvent event) { | ||
String content = event.getContent(); | ||
if (StringUtils.isBlank(content)) { | ||
return Collections.emptyList(); | ||
} | ||
Map<String, List<Map<String, Object>>> map = yaml.load(content); | ||
return map.get(RouterConstant.GLOBAL_ROUTER_KEY); | ||
} | ||
} |
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