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authortang peng <tang.peng5@zte.com.cn>2020-10-10 11:19:22 +0800
committertang peng <tang.peng5@zte.com.cn>2020-10-10 11:19:22 +0800
commit348ce6e112876f552a939e58d74376704537344e (patch)
treee8bed6f7be5a87dd1eb770bb9f57965e7a8a117c /rulemgt/src/main
parent7dbc431fa39b0c0094033780c78cb6f871221f85 (diff)
Fixed MSB Invocation Issues
Issue-ID: HOLMES-365 Signed-off-by: tang peng <tang.peng5@zte.com.cn> Change-Id: Ibae0924268e25f0af5f13ded1e2e1be51e8106d8
Diffstat (limited to 'rulemgt/src/main')
-rw-r--r--rulemgt/src/main/java/org/onap/holmes/rulemgt/RuleActiveApp.java6
-rw-r--r--rulemgt/src/main/java/org/onap/holmes/rulemgt/RuleAllocator.java (renamed from rulemgt/src/main/java/org/onap/holmes/rulemgt/send/RuleAllocator.java)116
-rw-r--r--rulemgt/src/main/java/org/onap/holmes/rulemgt/bolt/enginebolt/EngineService.java21
-rw-r--r--rulemgt/src/main/java/org/onap/holmes/rulemgt/bolt/enginebolt/EngineWrapper.java14
-rw-r--r--rulemgt/src/main/java/org/onap/holmes/rulemgt/controller/EngineInstanceController.java56
-rw-r--r--rulemgt/src/main/java/org/onap/holmes/rulemgt/db/CorrelationRuleDao.java3
-rw-r--r--rulemgt/src/main/java/org/onap/holmes/rulemgt/msb/EngineInsQueryTool.java70
-rw-r--r--rulemgt/src/main/java/org/onap/holmes/rulemgt/msb/MsbQuery.java69
-rw-r--r--rulemgt/src/main/java/org/onap/holmes/rulemgt/send/Ip4AddingRule.java66
-rw-r--r--rulemgt/src/main/java/org/onap/holmes/rulemgt/tools/EngineTools.java74
-rw-r--r--rulemgt/src/main/java/org/onap/holmes/rulemgt/wrapper/RuleMgtWrapper.java29
11 files changed, 233 insertions, 291 deletions
diff --git a/rulemgt/src/main/java/org/onap/holmes/rulemgt/RuleActiveApp.java b/rulemgt/src/main/java/org/onap/holmes/rulemgt/RuleActiveApp.java
index ba61a28..5833a94 100644
--- a/rulemgt/src/main/java/org/onap/holmes/rulemgt/RuleActiveApp.java
+++ b/rulemgt/src/main/java/org/onap/holmes/rulemgt/RuleActiveApp.java
@@ -1,5 +1,5 @@
/**
- * Copyright 2017-2018 ZTE Corporation.
+ * Copyright 2017-2020 ZTE Corporation.
* <p>
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -24,8 +24,6 @@ import org.onap.holmes.common.utils.HttpsUtils;
import org.onap.holmes.common.utils.MSBRegisterUtil;
import org.onap.holmes.common.utils.transactionid.TransactionIdFilter;
import org.onap.holmes.rulemgt.dcae.DcaeConfigurationPolling;
-import org.onap.holmes.rulemgt.msb.MsbQuery;
-import org.onap.holmes.rulemgt.resources.RuleMgtResources;
import org.onap.msb.sdk.discovery.entity.MicroServiceInfo;
import org.onap.msb.sdk.discovery.entity.Node;
import org.slf4j.Logger;
@@ -66,8 +64,6 @@ public class RuleActiveApp extends IOCApplication<RuleAppConfig> {
environment.servlets().addFilter("customFilter", new TransactionIdFilter()).addMappingForUrlPatterns(EnumSet
.allOf(DispatcherType.class), true, "/*");
-
- new MsbQuery().startTimer();
}
private MicroServiceInfo createMicroServiceInfo() {
diff --git a/rulemgt/src/main/java/org/onap/holmes/rulemgt/send/RuleAllocator.java b/rulemgt/src/main/java/org/onap/holmes/rulemgt/RuleAllocator.java
index 6779bf1..2dc05ee 100644
--- a/rulemgt/src/main/java/org/onap/holmes/rulemgt/send/RuleAllocator.java
+++ b/rulemgt/src/main/java/org/onap/holmes/rulemgt/RuleAllocator.java
@@ -1,5 +1,5 @@
/**
- * Copyright 2017 ZTE Corporation.
+ * Copyright 2017-2020 ZTE Corporation.
* <p>
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -14,79 +14,91 @@
* limitations under the License.
*/
-package org.onap.holmes.rulemgt.send;
+package org.onap.holmes.rulemgt;
import lombok.extern.slf4j.Slf4j;
-import org.glassfish.hk2.api.ServiceLocator;
+import org.jvnet.hk2.annotations.Service;
import org.onap.holmes.common.api.entity.CorrelationRule;
-import org.onap.holmes.common.dropwizard.ioc.utils.ServiceLocatorHolder;
import org.onap.holmes.common.exception.CorrelationException;
import org.onap.holmes.common.utils.DbDaoUtil;
import org.onap.holmes.rulemgt.bolt.enginebolt.EngineWrapper;
import org.onap.holmes.rulemgt.db.CorrelationRuleDao;
-import org.onap.holmes.rulemgt.msb.EngineInsQueryTool;
+import org.onap.holmes.rulemgt.tools.EngineTools;
import org.onap.holmes.rulemgt.wrapper.RuleMgtWrapper;
import org.onap.holmes.rulemgt.wrapper.RuleQueryWrapper;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import javax.annotation.PostConstruct;
+import javax.inject.Inject;
import java.util.*;
+import static java.util.concurrent.TimeUnit.SECONDS;
@Slf4j
+@Service
public class RuleAllocator {
+ private static final Logger LOGGER = LoggerFactory.getLogger(RuleAllocator.class);
+
public final static int ENABLE = 1;
private RuleMgtWrapper ruleMgtWrapper;
private RuleQueryWrapper ruleQueryWrapper;
private EngineWrapper engineWrapper;
- private EngineInsQueryTool engineInsQueryTool;
- private DbDaoUtil daoUtil;
+ private EngineTools engineTools;
private CorrelationRuleDao correlationRuleDao;
- private int latestEngineInsNum = 0;
- private List<String> existingEngineServiceIps = new ArrayList<>();
- private List<String> latestEngineServiceIps = new ArrayList<>();
-
- public RuleAllocator() {
- ServiceLocator locator = ServiceLocatorHolder.getLocator();
- ruleMgtWrapper = locator.getService(RuleMgtWrapper.class);
- ruleQueryWrapper = locator.getService(RuleQueryWrapper.class);
- engineWrapper = locator.getService(EngineWrapper.class);
- engineInsQueryTool = locator.getService(EngineInsQueryTool.class);
- daoUtil = locator.getService(DbDaoUtil.class);
-
- initDaoUtilAndEngineIp();
- }
- private void initDaoUtilAndEngineIp() {
+ @Inject
+ public RuleAllocator(RuleMgtWrapper ruleMgtWrapper, RuleQueryWrapper ruleQueryWrapper,
+ EngineWrapper engineWrapper, EngineTools engineTools, DbDaoUtil daoUtil) {
+ this.ruleMgtWrapper = ruleMgtWrapper;
+ this.ruleQueryWrapper = ruleQueryWrapper;
+ this.engineWrapper = engineWrapper;
+ this.engineTools = engineTools;
correlationRuleDao = daoUtil.getJdbiDaoByOnDemand(CorrelationRuleDao.class);
- try {
- existingEngineServiceIps = engineInsQueryTool.getInstanceList();
+ }
- } catch (Exception e) {
- log.warn("Failed to get the number of engine instances.", e);
- }
+ @PostConstruct
+ private void initialize() {
+ new Timer("RuleAllocatorTimer").schedule(new TimerTask() {
+
+ public void run() {
+ try {
+ allocateRules();
+ } catch (Exception e) {
+ LOGGER.error("Failed to reallocate rules.", e);
+ }
+ }
+
+ }, SECONDS.toMillis(10), SECONDS.toMillis(30));
}
- public synchronized void allocateRules(List<String> latestEngineIps) throws Exception {
- if (latestEngineIps == null) {
- throw new NullPointerException("The parameter of " + this.getClass().getSimpleName()
- + ".allocateRules(List<String>) can not be null!");
+ public synchronized void allocateRules() throws Exception {
+ List<String> engines = engineTools.getInstanceList();
+
+ if (engines == null) {
+ return;
}
- latestEngineServiceIps = latestEngineIps;
- latestEngineInsNum = latestEngineIps.size();
- if (existingEngineServiceIps.size() < latestEngineInsNum) {
+ int numOfEngines = engines.size();
+ LOGGER.info(String.format("There are %d engine instance(s) running currently.", numOfEngines));
+
+ List<String> legacyEngineInstances = engineTools.getLegacyEngineInstances();
+ if (legacyEngineInstances == null) {
+ return;
+ }
+
+ if (legacyEngineInstances.size() < numOfEngines) {
//extend
- List<CorrelationRule> rules2Allocate = calculateRule(existingEngineServiceIps);
+ List<CorrelationRule> rules2Allocate = calculateRule(legacyEngineInstances, numOfEngines);
List<CorrelationRule> rules2Delete = copyList(rules2Allocate);
- List<String> newInstanceIds = sortOutNewEngineInstances(latestEngineServiceIps, existingEngineServiceIps);
+ List<String> newInstanceIds = sortOutNewEngineInstances(engines, legacyEngineInstances);
distributeRules(newInstanceIds, rules2Allocate);
- cleanUpRulesFromEngines(rules2Delete, existingEngineServiceIps);
- } else if (existingEngineServiceIps.size() > latestEngineInsNum) {
+ cleanUpRulesFromEngines(rules2Delete, legacyEngineInstances);
+ } else {
//destroy
- List<String> destroyed = getDestroyedEngines(latestEngineServiceIps, existingEngineServiceIps);
- distributeRules(getRemainingEngines(destroyed), reallocateRules(destroyed));
+ List<String> destroyed = getDestroyedEngines(engines, legacyEngineInstances);
+ distributeRules(getRemainingEngines(engines, destroyed), getRules(destroyed));
}
-
- existingEngineServiceIps = latestEngineServiceIps;
}
private List<CorrelationRule> copyList(List<CorrelationRule> rules) {
@@ -98,13 +110,16 @@ public class RuleAllocator {
}
// When the engine is expanding, the rules that need to be allocated are calculated.
- private List<CorrelationRule> calculateRule(List<String> existingEngineIps) throws CorrelationException {
+ private List<CorrelationRule> calculateRule(List<String> existingEngineIps,
+ int latestEngineInsNum) throws CorrelationException {
List<CorrelationRule> enabledRules = ruleQueryWrapper.queryRuleByEnable(ENABLE);
int ruleCount = 0;
if (enabledRules != null) {
ruleCount = enabledRules.size();
}
+ // Average number of rule that's to be allocate into each instance
int count = ruleCount / latestEngineInsNum;
+ // The number of remaining rules (to be allocated) after each instance has been allocated with the average number of rules.
int remainder = ruleCount % latestEngineInsNum;
List<CorrelationRule> ret = new ArrayList<>();
@@ -117,7 +132,7 @@ public class RuleAllocator {
}
// Rules that need to be allocated after the engine is destroyed
- private List<CorrelationRule> reallocateRules(List<String> destroyIpList) throws CorrelationException {
+ private List<CorrelationRule> getRules(List<String> destroyIpList) throws CorrelationException {
List<CorrelationRule> rules = new ArrayList<>();
try {
if (destroyIpList != null) {
@@ -126,7 +141,7 @@ public class RuleAllocator {
}
}
} catch (CorrelationException e) {
- log.error("method reallocateRules get data from DB failed !", e);
+ LOGGER.error("method getRules get data from DB failed !", e);
}
return rules;
}
@@ -155,9 +170,9 @@ public class RuleAllocator {
}
// Residual IP after destruction
- private List<String> getRemainingEngines(List<String> destroyed) {
+ private List<String> getRemainingEngines(List<String> all, List<String> destroyed) {
List<String> ret = new ArrayList<>();
- for (String ip : latestEngineServiceIps) {
+ for (String ip : all) {
if (!destroyed.contains(ip)) {
ret.add(ip);
}
@@ -190,7 +205,7 @@ public class RuleAllocator {
}
}
} catch (Exception e) {
- log.error("getEngineIp4AddRule failed !", e);
+ LOGGER.error("getEngineWithLeastRules failed !", e);
}
List<Map.Entry<String, Integer>> sortedEntries = new ArrayList<>(ruleNumOfEngines.entrySet());
@@ -208,7 +223,8 @@ public class RuleAllocator {
ruleMgtWrapper.deployRule2Engine(rule, ip);
correlationRuleDao.updateRule(rule);
} catch (CorrelationException e) {
- throw new CorrelationException("allocate Deploy Rule failed", e);
+ throw new CorrelationException(String.format("Failed to allocate rule <%s> to <%s>",
+ rule.getName(), ip), e);
}
}
@@ -222,7 +238,7 @@ public class RuleAllocator {
}
}
} catch (CorrelationException e) {
- log.error("When the engine is extended, deleting rule failed", e);
+ LOGGER.error("When the engine is extended, deleting rule failed", e);
}
}
}
diff --git a/rulemgt/src/main/java/org/onap/holmes/rulemgt/bolt/enginebolt/EngineService.java b/rulemgt/src/main/java/org/onap/holmes/rulemgt/bolt/enginebolt/EngineService.java
index cc20cab..8782d7a 100644
--- a/rulemgt/src/main/java/org/onap/holmes/rulemgt/bolt/enginebolt/EngineService.java
+++ b/rulemgt/src/main/java/org/onap/holmes/rulemgt/bolt/enginebolt/EngineService.java
@@ -1,12 +1,12 @@
/**
- * Copyright 2017 ZTE Corporation.
- *
+ * Copyright 2017-2020 ZTE Corporation.
+ * <p>
* 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
- *
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
* 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.
@@ -15,9 +15,6 @@
*/
package org.onap.holmes.rulemgt.bolt.enginebolt;
-import java.io.IOException;
-import java.util.HashMap;
-import javax.ws.rs.core.MediaType;
import lombok.extern.slf4j.Slf4j;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpDelete;
@@ -32,6 +29,10 @@ import org.onap.holmes.rulemgt.bean.request.CorrelationCheckRule4Engine;
import org.onap.holmes.rulemgt.bean.request.CorrelationDeployRule4Engine;
import org.onap.holmes.rulemgt.constant.RuleMgtConstant;
+import javax.ws.rs.core.MediaType;
+import java.io.IOException;
+import java.util.HashMap;
+
@Slf4j
@Service
public class EngineService {
@@ -78,7 +79,7 @@ public class EngineService {
HttpPut httpPut = new HttpPut(url);
try {
httpClient = HttpsUtils.getConditionalHttpsClient(HttpsUtils.DEFUALT_TIMEOUT);
- return HttpsUtils.put(httpPut, headers, new HashMap<>(), new StringEntity(content),httpClient);
+ return HttpsUtils.put(httpPut, headers, new HashMap<>(), new StringEntity(content), httpClient);
} finally {
closeHttpClient(httpClient);
}
@@ -101,7 +102,7 @@ public class EngineService {
return headers;
}
- private String getRequestPref(){
+ private String getRequestPref() {
return HttpsUtils.isHttpsEnabled() ? HTTPS : HTTP;
}
}
diff --git a/rulemgt/src/main/java/org/onap/holmes/rulemgt/bolt/enginebolt/EngineWrapper.java b/rulemgt/src/main/java/org/onap/holmes/rulemgt/bolt/enginebolt/EngineWrapper.java
index 479437e..4fe5896 100644
--- a/rulemgt/src/main/java/org/onap/holmes/rulemgt/bolt/enginebolt/EngineWrapper.java
+++ b/rulemgt/src/main/java/org/onap/holmes/rulemgt/bolt/enginebolt/EngineWrapper.java
@@ -1,12 +1,12 @@
/**
* Copyright 2017-2020 ZTE Corporation.
- *
+ * <p>
* 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
- *
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
* 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.
@@ -35,7 +35,7 @@ public class EngineWrapper {
@Inject
private EngineService engineService;
- public String deployEngine(CorrelationDeployRule4Engine correlationRule,String ip) throws CorrelationException {
+ public String deployEngine(CorrelationDeployRule4Engine correlationRule, String ip) throws CorrelationException {
HttpResponse response;
try {
response = engineService.deploy(correlationRule, ip);
@@ -55,7 +55,7 @@ public class EngineWrapper {
}
}
- public boolean deleteRuleFromEngine(String packageName,String ip) throws CorrelationException {
+ public boolean deleteRuleFromEngine(String packageName, String ip) throws CorrelationException {
HttpResponse response;
try {
response = engineService.delete(packageName, ip);
@@ -70,7 +70,7 @@ public class EngineWrapper {
}
}
- public boolean checkRuleFromEngine(CorrelationCheckRule4Engine correlationCheckRule4Engine,String ip)
+ public boolean checkRuleFromEngine(CorrelationCheckRule4Engine correlationCheckRule4Engine, String ip)
throws CorrelationException {
log.info("Rule Contents: " + correlationCheckRule4Engine.getContent());
HttpResponse response;
diff --git a/rulemgt/src/main/java/org/onap/holmes/rulemgt/controller/EngineInstanceController.java b/rulemgt/src/main/java/org/onap/holmes/rulemgt/controller/EngineInstanceController.java
new file mode 100644
index 0000000..2850708
--- /dev/null
+++ b/rulemgt/src/main/java/org/onap/holmes/rulemgt/controller/EngineInstanceController.java
@@ -0,0 +1,56 @@
+/**
+ * Copyright 2020 ZTE Corporation.
+ * <p>
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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 org.onap.holmes.rulemgt.controller;
+
+import org.jvnet.hk2.annotations.Service;
+import org.onap.holmes.common.engine.entity.EngineEntity;
+import org.onap.holmes.common.engine.service.EngineEntityService;
+
+import javax.annotation.PostConstruct;
+import javax.inject.Inject;
+import javax.inject.Named;
+import java.util.List;
+import java.util.Timer;
+import java.util.TimerTask;
+
+import static java.util.concurrent.TimeUnit.MINUTES;
+import static java.util.concurrent.TimeUnit.SECONDS;
+
+@Service
+public class EngineInstanceController extends TimerTask {
+ private static final long INTERVAL = SECONDS.toMillis(15);
+ private static final long THRESHOLD = 3 * INTERVAL;
+ private Timer timer = new Timer("EngineInstanceController", true);
+
+ @Inject
+ private EngineEntityService engineEntityService;
+
+ @PostConstruct
+ public void initialize() {
+ timer.schedule(this, MINUTES.toMillis(1), INTERVAL);
+ }
+
+ @Override
+ public void run() {
+ List<EngineEntity> entityList = engineEntityService.getAllEntities();
+ for (EngineEntity entity : entityList) {
+ if (System.currentTimeMillis() - entity.getLastModified() > THRESHOLD) {
+ engineEntityService.deleteEntity(entity.getId());
+ }
+ }
+ }
+}
diff --git a/rulemgt/src/main/java/org/onap/holmes/rulemgt/db/CorrelationRuleDao.java b/rulemgt/src/main/java/org/onap/holmes/rulemgt/db/CorrelationRuleDao.java
index 64dcea2..a9be49f 100644
--- a/rulemgt/src/main/java/org/onap/holmes/rulemgt/db/CorrelationRuleDao.java
+++ b/rulemgt/src/main/java/org/onap/holmes/rulemgt/db/CorrelationRuleDao.java
@@ -16,6 +16,8 @@
package org.onap.holmes.rulemgt.db;
import java.util.List;
+
+import org.jvnet.hk2.annotations.Service;
import org.onap.holmes.common.api.entity.CorrelationRule;
import org.onap.holmes.common.exception.CorrelationException;
import org.onap.holmes.common.utils.CorrelationRuleMapper;
@@ -26,6 +28,7 @@ import org.skife.jdbi.v2.sqlobject.SqlQuery;
import org.skife.jdbi.v2.sqlobject.SqlUpdate;
import org.skife.jdbi.v2.sqlobject.customizers.RegisterMapper;
+@Service
@RegisterMapper(CorrelationRuleMapper.class)
public abstract class CorrelationRuleDao {
diff --git a/rulemgt/src/main/java/org/onap/holmes/rulemgt/msb/EngineInsQueryTool.java b/rulemgt/src/main/java/org/onap/holmes/rulemgt/msb/EngineInsQueryTool.java
deleted file mode 100644
index 36b5b6f..0000000
--- a/rulemgt/src/main/java/org/onap/holmes/rulemgt/msb/EngineInsQueryTool.java
+++ /dev/null
@@ -1,70 +0,0 @@
-/**
- * Copyright 2017 ZTE Corporation.
- * <p>
- * 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
- * <p>
- * http://www.apache.org/licenses/LICENSE-2.0
- * <p>
- * 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 org.onap.holmes.rulemgt.msb;
-
-
-import lombok.extern.slf4j.Slf4j;
-import org.apache.http.HttpResponse;
-import org.apache.http.client.methods.HttpGet;
-import org.apache.http.impl.client.CloseableHttpClient;
-import org.jvnet.hk2.annotations.Service;
-import org.onap.holmes.common.api.entity.ServiceEntity;
-import org.onap.holmes.common.api.entity.ServiceNode4Query;
-import org.onap.holmes.common.config.MicroServiceConfig;
-import org.onap.holmes.common.utils.GsonUtil;
-import org.onap.holmes.common.utils.HttpsUtils;
-
-import javax.annotation.PostConstruct;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-
-@Service
-@Slf4j
-public class EngineInsQueryTool {
-
- private String url;
-
- @PostConstruct
- public void init() {
- String[] msbAddrInfo = MicroServiceConfig.getMsbIpAndPort();
- url = String.format("http://%s:%s/api/microservices/v1/services/holmes-engine-mgmt/version/v1",
- msbAddrInfo[0], msbAddrInfo[1]);
- }
-
- public List<String> getInstanceList() throws Exception {
- String response;
- HttpGet httpGet = new HttpGet(url);
- try (CloseableHttpClient httpClient = HttpsUtils.getConditionalHttpsClient(HttpsUtils.DEFUALT_TIMEOUT)) {
- HttpResponse httpResponse = HttpsUtils.get(httpGet, new HashMap<>(), httpClient);
- response = HttpsUtils.extractResponseEntity(httpResponse);
- } catch (Exception e) {
- throw e;
- } finally {
- httpGet.releaseConnection();
-
- }
- ServiceEntity service = GsonUtil.jsonToBean(response, ServiceEntity.class);
- List<ServiceNode4Query> nodesList = service.getNodes();
- List<String> ipList = new ArrayList<>();
- for (ServiceNode4Query node : nodesList) {
- ipList.add(node.getIp());
- }
- return ipList;
-
- }
-
-}
diff --git a/rulemgt/src/main/java/org/onap/holmes/rulemgt/msb/MsbQuery.java b/rulemgt/src/main/java/org/onap/holmes/rulemgt/msb/MsbQuery.java
deleted file mode 100644
index df0783d..0000000
--- a/rulemgt/src/main/java/org/onap/holmes/rulemgt/msb/MsbQuery.java
+++ /dev/null
@@ -1,69 +0,0 @@
-/**
- * Copyright 2017-2020 ZTE Corporation.
- * <p>
- * 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
- * <p>
- * http://www.apache.org/licenses/LICENSE-2.0
- * <p>
- * 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 org.onap.holmes.rulemgt.msb;
-
-import org.onap.holmes.common.dropwizard.ioc.utils.ServiceLocatorHolder;
-import org.onap.holmes.rulemgt.send.Ip4AddingRule;
-import org.onap.holmes.rulemgt.send.RuleAllocator;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.util.List;
-import java.util.Timer;
-import java.util.TimerTask;
-
-import static java.util.concurrent.TimeUnit.SECONDS;
-
-public class MsbQuery {
-
- static final private Logger log = LoggerFactory.getLogger(MsbQuery.class);
- final private RuleAllocator ruleAllocator;
- private Ip4AddingRule ip4AddingRule;
- private EngineInsQueryTool engineInsQueryTool;
-
- public MsbQuery() {
- ruleAllocator = new RuleAllocator();
- ip4AddingRule = ServiceLocatorHolder.getLocator().getService(Ip4AddingRule.class);
- engineInsQueryTool = ServiceLocatorHolder.getLocator().getService(EngineInsQueryTool.class);
- }
-
- public void startTimer() {
- try {
- new Timer().schedule(new TimerTask() {
-
- public void run() {
- try {
- List<String> timerIpList = engineInsQueryTool.getInstanceList();
- log.info(String.format("There are %d engine instance(s) running currently.", timerIpList.size()));
-
- ip4AddingRule.setIpList(timerIpList);
- ruleAllocator.allocateRules(timerIpList);
- } catch (Exception e) {
- log.error("The timing query engine instance failed ", e);
- }
- }
-
- }, SECONDS.toMillis(10), SECONDS.toMillis(30));
- } catch (Exception e) {
- log.error("MSBQuery startTimer timer task failed !" + e.getMessage(), e);
- try {
- SECONDS.sleep(30);
- } catch (InterruptedException e1) {
- Thread.currentThread().interrupt();
- }
- }
- }
-}
diff --git a/rulemgt/src/main/java/org/onap/holmes/rulemgt/send/Ip4AddingRule.java b/rulemgt/src/main/java/org/onap/holmes/rulemgt/send/Ip4AddingRule.java
deleted file mode 100644
index 4a2dba3..0000000
--- a/rulemgt/src/main/java/org/onap/holmes/rulemgt/send/Ip4AddingRule.java
+++ /dev/null
@@ -1,66 +0,0 @@
-/**
- * Copyright 2017 ZTE Corporation.
- *
- * 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 org.onap.holmes.rulemgt.send;
-
-import lombok.extern.slf4j.Slf4j;
-import org.jvnet.hk2.annotations.Service;
-import org.onap.holmes.common.api.entity.CorrelationRule;
-import org.onap.holmes.rulemgt.wrapper.RuleQueryWrapper;
-
-import javax.inject.Inject;
-import java.util.*;
-
-@Service
-@Slf4j
-public class Ip4AddingRule {
-
- @Inject
- private RuleQueryWrapper ruleQueryWrapper;
- private List<String> engineService;
-
- public void setIpList(List<String> ipList){
- engineService = ipList;
- }
-
- public String getEngineIp4AddRule() {
- List<CorrelationRule> ipRuleList = new ArrayList<>();
- LinkedHashMap<String,Integer> linkedHashMap = new LinkedHashMap<>();
-
- try{
- for(String ip : engineService){
- ipRuleList = ruleQueryWrapper.queryRuleByEngineInstance(ip);
- if(ipRuleList != null) {
- linkedHashMap.put(ip, ipRuleList.size());
- }
- }
- }catch (Exception e){
- log.error("getEngineIp4AddRule failed !" + e.getMessage());
- }
-
- //min
- Collection<Integer> c = linkedHashMap.values();
- Object[] obj = c.toArray();
- Arrays.sort(obj);
- String ip = null;
- for(String getKey: linkedHashMap.keySet()){
- if(linkedHashMap.get(getKey).equals(obj[0])){
- ip = getKey;
- }
- }
- return ip;
- }
-}
diff --git a/rulemgt/src/main/java/org/onap/holmes/rulemgt/tools/EngineTools.java b/rulemgt/src/main/java/org/onap/holmes/rulemgt/tools/EngineTools.java
new file mode 100644
index 0000000..4896bde
--- /dev/null
+++ b/rulemgt/src/main/java/org/onap/holmes/rulemgt/tools/EngineTools.java
@@ -0,0 +1,74 @@
+/**
+ * Copyright 2017-2020 ZTE Corporation.
+ * <p>
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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 org.onap.holmes.rulemgt.tools;
+
+import lombok.extern.slf4j.Slf4j;
+import org.jvnet.hk2.annotations.Service;
+import org.onap.holmes.common.api.entity.CorrelationRule;
+import org.onap.holmes.common.engine.entity.EngineEntity;
+import org.onap.holmes.common.engine.service.EngineEntityService;
+import org.onap.holmes.rulemgt.wrapper.RuleQueryWrapper;
+
+import javax.inject.Inject;
+import java.util.Arrays;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Service
+@Slf4j
+public class EngineTools {
+
+ @Inject
+ private RuleQueryWrapper ruleQueryWrapper;
+ @Inject
+ private EngineEntityService engineEntityService;
+
+ public List<String> getInstanceList() {
+ List<EngineEntity> entities = engineEntityService.getAllEntities();
+ return entities.stream().map(EngineEntity::getIp).collect(Collectors.toList());
+ }
+
+ public List<String> getLegacyEngineInstances() {
+ return engineEntityService.getLegacyEngines();
+ }
+
+ public String getEngineWithLeastRules() {
+ LinkedHashMap<String, Integer> ruleNumInEachEngine = new LinkedHashMap<>();
+
+ try {
+ for (String ip : getInstanceList()) {
+ List<CorrelationRule> rules = ruleQueryWrapper.queryRuleByEngineInstance(ip);
+ if (rules != null) {
+ ruleNumInEachEngine.put(ip, rules.size());
+ }
+ }
+ } catch (Exception e) {
+ log.error("getEngineWithLeastRules failed!" + e.getMessage());
+ }
+
+ Integer[] numOfRules = ruleNumInEachEngine.values().toArray(new Integer[0]);
+ Arrays.sort(numOfRules);
+
+ for (String ip : ruleNumInEachEngine.keySet()) {
+ if (ruleNumInEachEngine.get(ip) == numOfRules[0]) {
+ return ip;
+ }
+ }
+ return null;
+ }
+}
diff --git a/rulemgt/src/main/java/org/onap/holmes/rulemgt/wrapper/RuleMgtWrapper.java b/rulemgt/src/main/java/org/onap/holmes/rulemgt/wrapper/RuleMgtWrapper.java
index 196b21a..22982da 100644
--- a/rulemgt/src/main/java/org/onap/holmes/rulemgt/wrapper/RuleMgtWrapper.java
+++ b/rulemgt/src/main/java/org/onap/holmes/rulemgt/wrapper/RuleMgtWrapper.java
@@ -1,12 +1,12 @@
/**
* Copyright 2017 ZTE Corporation.
- *
+ * <p>
* 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
- *
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
* 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.
@@ -21,6 +21,7 @@ import java.util.List;
import javax.annotation.PostConstruct;
import javax.inject.Inject;
import javax.inject.Singleton;
+
import lombok.extern.slf4j.Slf4j;
import org.jvnet.hk2.annotations.Service;
import org.onap.holmes.rulemgt.bean.request.CorrelationCheckRule4Engine;
@@ -39,7 +40,7 @@ import org.onap.holmes.rulemgt.bean.response.RuleAddAndUpdateResponse;
import org.onap.holmes.rulemgt.bean.response.RuleQueryListResponse;
import org.onap.holmes.rulemgt.bolt.enginebolt.EngineWrapper;
import org.onap.holmes.rulemgt.db.CorrelationRuleQueryDao;
-import org.onap.holmes.rulemgt.send.Ip4AddingRule;
+import org.onap.holmes.rulemgt.tools.EngineTools;
@Service
@@ -48,7 +49,7 @@ import org.onap.holmes.rulemgt.send.Ip4AddingRule;
public class RuleMgtWrapper {
@Inject
- private Ip4AddingRule ip4AddingRule;
+ private EngineTools engineTools;
@Inject
private RuleQueryWrapper ruleQueryWrapper;
@@ -79,10 +80,10 @@ public class RuleMgtWrapper {
if (ruleTemp != null) {
throw new CorrelationException("A rule with the same name already exists.");
}
- String ip ="";
- try{
- ip = ip4AddingRule.getEngineIp4AddRule();
- }catch(Exception e){
+ String ip = "";
+ try {
+ ip = engineTools.getEngineWithLeastRules();
+ } catch (Exception e) {
log.error("When adding rules, can not get engine instance ip");
}
String packageName = deployRule2Engine(correlationRule, ip);
@@ -180,7 +181,7 @@ public class RuleMgtWrapper {
}
private CorrelationRule convertCreateRequest2Rule(String userName,
- RuleCreateRequest ruleCreateRequest) throws CorrelationException {
+ RuleCreateRequest ruleCreateRequest) throws CorrelationException {
String tempContent = ruleCreateRequest.getContent();
CorrelationRule correlationRule = new CorrelationRule();
String ruleId = "rule_" + System.currentTimeMillis();
@@ -205,7 +206,7 @@ public class RuleMgtWrapper {
}
private CorrelationRule convertRuleUpdateRequest2CorrelationRule(String modifier,
- RuleUpdateRequest ruleUpdateRequest, String ruleName) throws CorrelationException {
+ RuleUpdateRequest ruleUpdateRequest, String ruleName) throws CorrelationException {
CorrelationRule correlationRule = new CorrelationRule();
String description = ruleUpdateRequest.getDescription() == null ? "" : ruleUpdateRequest.getDescription();
correlationRule.setRid(ruleUpdateRequest.getRuleId());
@@ -221,7 +222,7 @@ public class RuleMgtWrapper {
public String deployRule2Engine(CorrelationRule correlationRule, String ip)
throws CorrelationException {
- if (engineWarpper.checkRuleFromEngine(correlationRules2CheckRule(correlationRule), ip) && (
+ if (engineWarpper.checkRuleFromEngine(toCorrelationCheckRule(correlationRule), ip) && (
correlationRule.getEnabled() == RuleMgtConstant.STATUS_RULE_OPEN)) {
return engineWarpper.deployEngine(correlationRules2DeployRule(correlationRule), ip);
}
@@ -269,7 +270,7 @@ public class RuleMgtWrapper {
return correlationDeployRule4Engine;
}
- private CorrelationCheckRule4Engine correlationRules2CheckRule(
+ private CorrelationCheckRule4Engine toCorrelationCheckRule(
CorrelationRule correlationRule) {
CorrelationCheckRule4Engine correlationCheckRule4Engine = new CorrelationCheckRule4Engine();
correlationCheckRule4Engine.setContent(correlationRule.getContent());