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authorhalil.cakal <halil.cakal@est.tech>2023-08-31 11:45:47 +0100
committerhalil.cakal <halil.cakal@est.tech>2023-09-04 11:54:40 +0100
commitc4485f7218fb9b2b4b7c113294ae2902979f5b5e (patch)
tree242038cf5386e75b9a6bd19aac20d1d56a011827 /cps-ncmp-service/src/main/java/org
parent17d14293823ec280e646071988be211184d1f7ce (diff)
Dmi plugin watchdog cheking aliveness
- Add capability of GET request into DmiRestClient - Add watchdog job to check aliveness of dmi plugins - DmiPluginStatus enum as UP or DOWN - Add unit tests for the new function in dmi rest client - Add unit tests for dmi watchdog Issue-ID: CPS-1856 Change-Id: Ic38a96f0485a0bfe1b6af5bb2f57f6119d8fa563 Signed-off-by: halil.cakal <halil.cakal@est.tech>
Diffstat (limited to 'cps-ncmp-service/src/main/java/org')
-rw-r--r--cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/client/DmiRestClient.java26
-rw-r--r--cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/config/embeddedcache/TrustLevelCacheConfig.java19
-rw-r--r--cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/trustlevel/dmiavailability/DMiPluginWatchDog.java60
-rw-r--r--cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/trustlevel/dmiavailability/DmiPluginStatus.java25
4 files changed, 121 insertions, 9 deletions
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/client/DmiRestClient.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/client/DmiRestClient.java
index 28e09ac4bc..7066f80165 100644
--- a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/client/DmiRestClient.java
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/client/DmiRestClient.java
@@ -21,10 +21,13 @@
package org.onap.cps.ncmp.api.impl.client;
+import com.fasterxml.jackson.databind.JsonNode;
import lombok.AllArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
import org.onap.cps.ncmp.api.impl.config.NcmpConfiguration.DmiProperties;
import org.onap.cps.ncmp.api.impl.exception.HttpClientRequestException;
import org.onap.cps.ncmp.api.impl.operations.OperationType;
+import org.onap.cps.ncmp.api.impl.trustlevel.dmiavailability.DmiPluginStatus;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
@@ -35,6 +38,7 @@ import org.springframework.web.client.RestTemplate;
@Component
@AllArgsConstructor
+@Slf4j
public class DmiRestClient {
private RestTemplate restTemplate;
@@ -60,6 +64,28 @@ public class DmiRestClient {
}
}
+ /**
+ * Sends GET operation to DMI plugin's health check URL.
+ *
+ * @param dmiPluginBaseUrl the base URL of the dmi-plugin
+ * @return DmiPluginStatus as UP or DOWN
+ */
+ public DmiPluginStatus getDmiPluginStatus(final String dmiPluginBaseUrl) {
+ try {
+ final HttpEntity<Object> httpHeaders = new HttpEntity<>(configureHttpHeaders(new HttpHeaders()));
+ final JsonNode dmiPluginHealthStatus = restTemplate.getForObject(dmiPluginBaseUrl + "/manage/health",
+ JsonNode.class, httpHeaders);
+ if (dmiPluginHealthStatus != null) {
+ if (dmiPluginHealthStatus.get("status").asText().equals("UP")) {
+ return DmiPluginStatus.UP;
+ }
+ }
+ } catch (final Exception exception) {
+ log.warn("Could not send request for health check since {}", exception.getMessage());
+ }
+ return DmiPluginStatus.DOWN;
+ }
+
private HttpHeaders configureHttpHeaders(final HttpHeaders httpHeaders) {
if (dmiProperties.isDmiBasicAuthEnabled()) {
httpHeaders.setBasicAuth(dmiProperties.getAuthUsername(), dmiProperties.getAuthPassword());
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/config/embeddedcache/TrustLevelCacheConfig.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/config/embeddedcache/TrustLevelCacheConfig.java
index 66f61906da..ebe99057d7 100644
--- a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/config/embeddedcache/TrustLevelCacheConfig.java
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/config/embeddedcache/TrustLevelCacheConfig.java
@@ -32,24 +32,25 @@ import org.springframework.context.annotation.Configuration;
@Configuration
public class TrustLevelCacheConfig extends HazelcastCacheConfig {
- private static final SetConfig untrustworthyCmHandlesSetConfig = createSetConfig("untrustworthyCmHandlesSetConfig");
+ private static final SetConfig untrustworthyCmHandlesSetConfig =
+ createSetConfig("untrustworthyCmHandlesSetConfig");
+
+ private static final MapConfig trustLevelPerDmiPluginCacheConfig =
+ createMapConfig("trustLevelPerDmiPluginCacheConfig");
/**
- * Untrustworthy cmhandle set instance.
+ * Distributed collection of untrustworthy cm handles.
*
- * @return instance of distributed set of untrustworthy cmhandles.
+ * @return instance of distributed set of untrustworthy cm handles.
*/
@Bean
public ISet<String> untrustworthyCmHandlesSet() {
- return createHazelcastInstance("untrustworthyCmHandlesSet", untrustworthyCmHandlesSetConfig).getSet(
- "untrustworthyCmHandlesSet");
+ return createHazelcastInstance("untrustworthyCmHandlesSet",
+ untrustworthyCmHandlesSetConfig).getSet("untrustworthyCmHandlesSet");
}
- private static final MapConfig trustLevelPerDmiPluginCacheConfig =
- createMapConfig("trustLevelPerDmiPluginCacheConfig");
-
/**
- * Distributed instance of trust level cache that contains dmi-plugin name by trust level.
+ * Distributed instance of trust level cache containing the trust level per dmi plugin service(name).
*
* @return configured map of dmi-plugin name as keys to trust-level for values.
*/
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/trustlevel/dmiavailability/DMiPluginWatchDog.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/trustlevel/dmiavailability/DMiPluginWatchDog.java
new file mode 100644
index 0000000000..dac32aa736
--- /dev/null
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/trustlevel/dmiavailability/DMiPluginWatchDog.java
@@ -0,0 +1,60 @@
+/*
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2023 Nordix Foundation
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.cps.ncmp.api.impl.trustlevel.dmiavailability;
+
+import com.hazelcast.map.IMap;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.onap.cps.ncmp.api.impl.client.DmiRestClient;
+import org.onap.cps.ncmp.api.impl.trustlevel.TrustLevel;
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Service;
+
+@Slf4j
+@RequiredArgsConstructor
+@Service
+public class DMiPluginWatchDog {
+
+ private final IMap<String, TrustLevel> trustLevelPerDmiPlugin;
+
+ private final DmiRestClient dmiRestClient;
+
+ /**
+ * Monitors the aliveness of DMI plugins by this watchdog.
+ * This method periodically checks the health and status of each DMI plugin to ensure that
+ * they are functioning properly. If a plugin is found to be unresponsive or in an
+ * unhealthy state, the cache will be updated with the latest status.
+ * The @fixedDelayString is the time interval, in milliseconds, between consecutive aliveness checks.
+ */
+ @Scheduled(fixedDelayString = "${ncmp.timers.trust-evel.dmi-availability-watchdog-ms:30000}")
+ public void watchDmiPluginAliveness() {
+ trustLevelPerDmiPlugin.keySet().forEach((dmiPluginName) -> {
+ final DmiPluginStatus dmiPluginStatus = dmiRestClient.getDmiPluginStatus(dmiPluginName);
+ log.debug("Trust level for dmi-plugin: {} is {}", dmiPluginName, dmiPluginStatus.toString());
+ if (DmiPluginStatus.UP.equals(dmiPluginStatus)) {
+ trustLevelPerDmiPlugin.put(dmiPluginName, TrustLevel.COMPLETE);
+ } else {
+ trustLevelPerDmiPlugin.put(dmiPluginName, TrustLevel.NONE);
+ }
+ });
+ }
+
+}
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/trustlevel/dmiavailability/DmiPluginStatus.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/trustlevel/dmiavailability/DmiPluginStatus.java
new file mode 100644
index 0000000000..352d36f942
--- /dev/null
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/trustlevel/dmiavailability/DmiPluginStatus.java
@@ -0,0 +1,25 @@
+/*
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2023 Nordix Foundation
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.cps.ncmp.api.impl.trustlevel.dmiavailability;
+
+public enum DmiPluginStatus {
+ UP, DOWN;
+}