Enable and Disable writing mountpoint state changes to VES Collector

Enable and Disable writing mountpoint state changes to VES Collector

Issue-ID: SDNC-1382
Signed-off-by: Ravi Pendurty <ravi.pendurty@highstreet-technologies.com>
Change-Id: I92113b9d05a509f74dfdb9af44daa5431cfa40d0
Signed-off-by: Ravi Pendurty <ravi.pendurty@highstreet-technologies.com>

7 files changed, 104 insertions, 3 deletions

diff --git a/sdnr/wt/devicemanager/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/service/VESCollectorCfgService.java b/sdnr/wt/devicemanager/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/service/VESCollectorCfgService.java
index 3bbdfe10a..c274ff91c 100644
--- a/sdnr/wt/devicemanager/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/service/VESCollectorCfgService.java
+++ b/sdnr/wt/devicemanager/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/service/VESCollectorCfgService.java
@@ -25,4 +25,5 @@ public interface VESCollectorCfgService {
 
     String getReportingEntityName();
     String getEventLogMsgDetail();
+    boolean isVESCollectorEnabled();
 }
diff --git a/sdnr/wt/devicemanager/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/service/VESCollectorConfigChangeListener.java b/sdnr/wt/devicemanager/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/service/VESCollectorConfigChangeListener.java
new file mode 100644
index 000000000..ac46b1c27
--- /dev/null
+++ b/sdnr/wt/devicemanager/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/service/VESCollectorConfigChangeListener.java
@@ -0,0 +1,27 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
+ * 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.
+ * ============LICENSE_END=========================================================
+ *
+ */
+package org.onap.ccsdk.features.sdnr.wt.devicemanager.service;
+
+public interface VESCollectorConfigChangeListener {
+
+    public void notify(VESCollectorCfgService cfg);
+}
diff --git a/sdnr/wt/devicemanager/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/service/VESCollectorService.java b/sdnr/wt/devicemanager/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/service/VESCollectorService.java
index d6b965134..287f0f622 100644
--- a/sdnr/wt/devicemanager/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/service/VESCollectorService.java
+++ b/sdnr/wt/devicemanager/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/service/VESCollectorService.java
@@ -33,4 +33,7 @@ public interface VESCollectorService extends DeviceManagerService {
 
     VESCollectorCfgService getConfig();
     boolean publishVESMessage(String vesMsg);
+    public void registerForChanges(VESCollectorConfigChangeListener o);
+    public void deregister(VESCollectorConfigChangeListener o);
+
 }
diff --git a/sdnr/wt/devicemanager/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/vescollectorconnector/impl/VESCollectorClient.java b/sdnr/wt/devicemanager/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/vescollectorconnector/impl/VESCollectorClient.java
index 3b1f71215..70ff86009 100644
--- a/sdnr/wt/devicemanager/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/vescollectorconnector/impl/VESCollectorClient.java
+++ b/sdnr/wt/devicemanager/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/vescollectorconnector/impl/VESCollectorClient.java
@@ -22,13 +22,17 @@
 package org.onap.ccsdk.features.sdnr.wt.devicemanager.vescollectorconnector.impl;
 
 import java.io.IOException;
+import java.util.ArrayList;
 import java.util.Base64;
 import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
 import java.util.Map;
 import org.onap.ccsdk.features.sdnr.wt.common.configuration.ConfigurationFileRepresentation;
 import org.onap.ccsdk.features.sdnr.wt.common.configuration.filechange.IConfigChangedListener;
 import org.onap.ccsdk.features.sdnr.wt.common.http.BaseHTTPClient;
 import org.onap.ccsdk.features.sdnr.wt.common.http.BaseHTTPResponse;
+import org.onap.ccsdk.features.sdnr.wt.devicemanager.service.VESCollectorConfigChangeListener;
 import org.onap.ccsdk.features.sdnr.wt.devicemanager.service.VESCollectorService;
 import org.onap.ccsdk.features.sdnr.wt.devicemanager.vescollectorconnector.impl.config.VESCollectorCfgImpl;
 import org.slf4j.Logger;
@@ -40,8 +44,10 @@ public class VESCollectorClient implements VESCollectorService, IConfigChangedLi
     private final ConfigurationFileRepresentation cfg;
     private BaseHTTPClient httpClient;
     private final Map<String, String> headerMap;
+    private List<VESCollectorConfigChangeListener> registeredObjects;
 
     public VESCollectorClient(ConfigurationFileRepresentation config) {
+        registeredObjects = new ArrayList<VESCollectorConfigChangeListener>();
         this.vesConfig = new VESCollectorCfgImpl(config);
         this.cfg = config;
         this.cfg.registerConfigChangedListener(this);
@@ -105,6 +111,21 @@ public class VESCollectorClient implements VESCollectorService, IConfigChangedLi
     public void onConfigChanged() {
         httpClient.setBaseUrl(getBaseUrl());
         setAuthorization(getConfig().getUsername(), getConfig().getPassword());
+        Iterator<VESCollectorConfigChangeListener> it = registeredObjects.iterator();
+        while (it.hasNext()) {
+            VESCollectorConfigChangeListener o = it.next();
+            o.notify(getConfig());
+        }
+    }
+
+    @Override
+    public void registerForChanges(VESCollectorConfigChangeListener o) {
+        registeredObjects.add(o);
+    }
+
+    @Override
+    public void deregister(VESCollectorConfigChangeListener o) {
+        registeredObjects.remove(o);
     }
 
 }
diff --git a/sdnr/wt/devicemanager/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/vescollectorconnector/impl/config/VESCollectorCfgImpl.java b/sdnr/wt/devicemanager/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/vescollectorconnector/impl/config/VESCollectorCfgImpl.java
index 1924a6759..c3bddc9b1 100644
--- a/sdnr/wt/devicemanager/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/vescollectorconnector/impl/config/VESCollectorCfgImpl.java
+++ b/sdnr/wt/devicemanager/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/vescollectorconnector/impl/config/VESCollectorCfgImpl.java
@@ -29,6 +29,10 @@ public class VESCollectorCfgImpl implements VESCollectorCfgService, Configuratio
 
     private static final String SECTION_MARKER = "VESCollector";
 
+    /** set to true if VES Collector is installed and configured */
+    private static final String PROPERTY_KEY_VES_COLLECTOR_ENABLED = "VES_COLLECTOR_ENABLED";
+    private static final boolean DEFAULT_VALUE_VES_COLLECTOR_ENABLED = false;
+
     private static final String PROPERTY_KEY_VES_COLLECTOR_IP = "VES_COLLECTOR_IP";
     private static final String DEFAULT_VALUE_VES_COLLECTOR_IP = "127.0.0.1";
 
@@ -76,6 +80,11 @@ public class VESCollectorCfgImpl implements VESCollectorCfgService, Configuratio
         return configuration != null ?configuration.getProperty(SECTION_MARKER, PROPERTY_KEY_EVENTLOG_DETAIL) : DEFAULT_VALUE_EVENTLOG_DETAIL;
     }
 
+    @Override
+    public boolean isVESCollectorEnabled() {
+        return configuration.getPropertyBoolean(SECTION_MARKER, PROPERTY_KEY_VES_COLLECTOR_ENABLED);
+    }
+
     public boolean getTLSEnabled() {
         return configuration.getPropertyBoolean(SECTION_MARKER, PROPERTY_KEY_VES_COLLECTOR_TLS_ENABLED);
     }
@@ -102,6 +111,7 @@ public class VESCollectorCfgImpl implements VESCollectorCfgService, Configuratio
 
     @Override
     public synchronized void defaults() {
+        configuration.setPropertyIfNotAvailable(SECTION_MARKER, PROPERTY_KEY_VES_COLLECTOR_ENABLED, DEFAULT_VALUE_VES_COLLECTOR_ENABLED);
         configuration.setPropertyIfNotAvailable(SECTION_MARKER, PROPERTY_KEY_VES_COLLECTOR_TLS_ENABLED, Boolean.FALSE);
         configuration.setPropertyIfNotAvailable(SECTION_MARKER, PROPERTY_KEY_VES_COLLECTOR_USERNAME,
                 DEFAULT_VALUE_VES_COLLECTOR_USERNAME);
diff --git a/sdnr/wt/mountpoint-state-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/mountpointstateprovider/impl/MountpointStateProviderImpl.java b/sdnr/wt/mountpoint-state-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/mountpointstateprovider/impl/MountpointStateProviderImpl.java
index 6838bc3b2..e00b656f2 100644
--- a/sdnr/wt/mountpoint-state-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/mountpointstateprovider/impl/MountpointStateProviderImpl.java
+++ b/sdnr/wt/mountpoint-state-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/mountpointstateprovider/impl/MountpointStateProviderImpl.java
@@ -25,11 +25,14 @@
 package org.onap.ccsdk.features.sdnr.wt.mountpointstateprovider.impl;
 
 import org.onap.ccsdk.features.sdnr.wt.devicemanager.service.NetconfNetworkElementService;
+import org.onap.ccsdk.features.sdnr.wt.devicemanager.service.VESCollectorCfgService;
+import org.onap.ccsdk.features.sdnr.wt.devicemanager.service.VESCollectorConfigChangeListener;
+import org.onap.ccsdk.features.sdnr.wt.devicemanager.service.VESCollectorService;
 import org.onap.ccsdk.features.sdnr.wt.netconfnodestateservice.NetconfNodeStateService;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-public class MountpointStateProviderImpl implements AutoCloseable {
+public class MountpointStateProviderImpl implements VESCollectorConfigChangeListener, AutoCloseable {
 
     private static final Logger LOG = LoggerFactory.getLogger(MountpointStateProviderImpl.class);
     private static final String APPLICATION_NAME = "mountpoint-state-provider";
@@ -40,6 +43,8 @@ public class MountpointStateProviderImpl implements AutoCloseable {
     private MountpointNodeConnectListenerImpl nodeConnectListener;
     private MountpointNodeStateListenerImpl nodeStateListener;
     private MountpointStatePublisher mountpointStatePublisher;
+    private VESCollectorService vesCollectorService;
+    private boolean vesCollectorEnabledCV = false; //Current value
 
     public MountpointStateProviderImpl() {
         LOG.info("Creating provider class for {}", APPLICATION_NAME);
@@ -60,8 +65,13 @@ public class MountpointStateProviderImpl implements AutoCloseable {
 
         nodeConnectListener = new MountpointNodeConnectListenerImpl(netconfNodeStateService);
         nodeStateListener = new MountpointNodeStateListenerImpl(netconfNodeStateService);
+        vesCollectorService = netconfNetworkElementService.getServiceProvider().getVESCollectorService();
+        vesCollectorService.registerForChanges(this);
+        boolean vesCollectorEnabled = vesCollectorService.getConfig().isVESCollectorEnabled();
 
-        startPublishing();
+        if (vesCollectorEnabled) {
+            startPublishing();
+        }
     }
 
     /**
@@ -74,7 +84,8 @@ public class MountpointStateProviderImpl implements AutoCloseable {
     }
 
     public void startPublishing() {
-        mountpointStatePublisher = new MountpointStatePublisher(netconfNetworkElementService.getServiceProvider().getVESCollectorService());
+        mountpointStatePublisher = new MountpointStatePublisher(
+                netconfNetworkElementService.getServiceProvider().getVESCollectorService());
         Thread t = new Thread(mountpointStatePublisher);
         t.start();
 
@@ -82,10 +93,16 @@ public class MountpointStateProviderImpl implements AutoCloseable {
         nodeStateListener.start(mountpointStatePublisher);
     }
 
+    public void stopPublishing() throws Exception {
+        mountpointStatePublisher.stop();
+        close(nodeConnectListener, nodeStateListener);
+    }
+
     @Override
     public void close() throws Exception {
         LOG.info("{} closing ...", this.getClass().getName());
         mountpointStatePublisher.stop();
+        vesCollectorService.deregister(this);
         close(nodeConnectListener, nodeStateListener);
         LOG.info("{} closing done", APPLICATION_NAME);
     }
@@ -103,4 +120,22 @@ public class MountpointStateProviderImpl implements AutoCloseable {
             }
         }
     }
+
+    @Override
+    public void notify(VESCollectorCfgService cfg) {
+        boolean vesCollectorEnabledPV = cfg.isVESCollectorEnabled(); // Pending value a.k.a new value
+        if (vesCollectorEnabledPV != vesCollectorEnabledCV) {
+            vesCollectorEnabledCV = vesCollectorEnabledPV;
+            if (vesCollectorEnabledPV) {
+                startPublishing();
+            } else {
+                try {
+                    stopPublishing();
+                } catch (Exception e) {
+                    LOG.debug("{}", e);
+                }
+            }
+        }
+    }
+
 }
diff --git a/sdnr/wt/mountpoint-state-provider/provider/src/test/java/org/onap/ccsdk/features/sdnr/wt/mountpointstateprovider/test/TestMountpointStateProviderImpl.java b/sdnr/wt/mountpoint-state-provider/provider/src/test/java/org/onap/ccsdk/features/sdnr/wt/mountpointstateprovider/test/TestMountpointStateProviderImpl.java
index 4e4ac3064..709d92140 100644
--- a/sdnr/wt/mountpoint-state-provider/provider/src/test/java/org/onap/ccsdk/features/sdnr/wt/mountpointstateprovider/test/TestMountpointStateProviderImpl.java
+++ b/sdnr/wt/mountpoint-state-provider/provider/src/test/java/org/onap/ccsdk/features/sdnr/wt/mountpointstateprovider/test/TestMountpointStateProviderImpl.java
@@ -30,6 +30,7 @@ import java.io.IOException;
 import org.junit.Test;
 import org.onap.ccsdk.features.sdnr.wt.devicemanager.service.DeviceManagerServiceProvider;
 import org.onap.ccsdk.features.sdnr.wt.devicemanager.service.NetconfNetworkElementService;
+import org.onap.ccsdk.features.sdnr.wt.devicemanager.service.VESCollectorCfgService;
 import org.onap.ccsdk.features.sdnr.wt.devicemanager.service.VESCollectorService;
 import org.onap.ccsdk.features.sdnr.wt.mountpointstateprovider.impl.MountpointStateProviderImpl;
 import org.onap.ccsdk.features.sdnr.wt.netconfnodestateservice.NetconfNodeStateService;
@@ -46,10 +47,13 @@ public class TestMountpointStateProviderImpl {
         NetconfNodeStateService netconfNodeStateService = mock(NetconfNodeStateService.class);
         DeviceManagerServiceProvider serviceProvider = mock(DeviceManagerServiceProvider.class);
         VESCollectorService vesCollectorService = mock(VESCollectorService.class);
+        VESCollectorCfgService vesCollectorCfgService = mock(VESCollectorCfgService.class);
         NetconfNetworkElementService netconfNetworkElementService = mock(NetconfNetworkElementService.class);
 
         when(netconfNetworkElementService.getServiceProvider()).thenReturn(serviceProvider);
         when(serviceProvider.getVESCollectorService()).thenReturn(vesCollectorService);
+        when(vesCollectorService.getConfig()).thenReturn(vesCollectorCfgService);
+        when(vesCollectorCfgService.isVESCollectorEnabled()).thenReturn(true);
 
         mountpointStateProvider = new MountpointStateProviderImpl();
         mountpointStateProvider.setNetconfNetworkElementService(netconfNetworkElementService);