Configuration to suppress LLDP discovery

Change-Id: I3b14df6682839f14694b69330a0943facd4f3a6f

@@ -34,6 +34,11 @@
 
     <dependencies>
         <dependency>
+            <groupId>org.osgi</groupId>
+            <artifactId>org.osgi.compendium</artifactId>
+        </dependency>
+
+        <dependency>
             <groupId>org.onosproject</groupId>
             <artifactId>onos-api</artifactId>
             <classifier>tests</classifier>

@@ -18,6 +18,8 @@ package org.onosproject.provider.lldp.impl;
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
 import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Modified;
+import org.apache.felix.scr.annotations.Property;
 import org.apache.felix.scr.annotations.Reference;
 import org.apache.felix.scr.annotations.ReferenceCardinality;
 import org.onosproject.mastership.MastershipEvent;
@@ -38,8 +40,16 @@ import org.onosproject.net.packet.PacketProcessor;
 import org.onosproject.net.packet.PacketService;
 import org.onosproject.net.provider.AbstractProvider;
 import org.onosproject.net.provider.ProviderId;
+import org.osgi.service.component.ComponentContext;
 import org.slf4j.Logger;
 
+import com.google.common.base.Strings;
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.ImmutableSet;
+
+import java.io.IOException;
+import java.util.Dictionary;
+import java.util.EnumSet;
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ScheduledExecutorService;
@@ -57,6 +67,13 @@ import static org.slf4j.LoggerFactory.getLogger;
 @Component(immediate = true)
 public class LLDPLinkProvider extends AbstractProvider implements LinkProvider {
 
+
+    private static final String PROP_USE_BDDP = "useBDDP";
+
+    private static final String PROP_LLDP_SUPPRESSION = "lldpSuppression";
+
+    private static final String DEFAULT_LLDP_SUPPRESSION_CONFIG = "../config/lldp_suppression.json";
+
     private final Logger log = getLogger(getClass());
 
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
@@ -75,17 +92,26 @@ public class LLDPLinkProvider extends AbstractProvider implements LinkProvider {
 
     private ScheduledExecutorService executor;
 
-    private final boolean useBDDP = true;
+    @Property(name = PROP_USE_BDDP, boolValue = true,
+            label = "use BDDP for link discovery")
+    private boolean useBDDP = true;
 
     private static final long INIT_DELAY = 5;
     private static final long DELAY = 5;
 
+    @Property(name = PROP_LLDP_SUPPRESSION, value = DEFAULT_LLDP_SUPPRESSION_CONFIG,
+            label = "Path to LLDP suppression configuration file")
+    private String filePath = DEFAULT_LLDP_SUPPRESSION_CONFIG;
+
+
     private final InternalLinkProvider listener = new InternalLinkProvider();
 
     private final InternalRoleListener roleListener = new InternalRoleListener();
 
     protected final Map<DeviceId, LinkDiscovery> discoverers = new ConcurrentHashMap<>();
 
+    private SuppressionRules rules;
+
     /**
      * Creates an OpenFlow link provider.
      */
@@ -95,6 +121,8 @@ public class LLDPLinkProvider extends AbstractProvider implements LinkProvider {
 
     @Activate
     public void activate() {
+        loadSuppressionRules();
+
         providerService = providerRegistry.register(this);
         deviceService.addListener(listener);
         packetSevice.addProcessor(listener, 0);
@@ -102,10 +130,19 @@ public class LLDPLinkProvider extends AbstractProvider implements LinkProvider {
 
         LinkDiscovery ld;
         for (Device device : deviceService.getAvailableDevices()) {
+            if (rules.isSuppressed(device)) {
+                log.debug("LinkDiscovery from {} disabled by configuration", device.id());
+                continue;
+            }
             ld = new LinkDiscovery(device, packetSevice, masterService,
                               providerService, useBDDP);
             discoverers.put(device.id(), ld);
             for (Port p : deviceService.getPorts(device.id())) {
+                if (rules.isSuppressed(p)) {
+                    log.debug("LinkDiscovery from {}@{} disabled by configuration",
+                              p.number(), device.id());
+                    continue;
+                }
                 if (!p.number().isLogical()) {
                     ld.addPort(p);
                 }
@@ -134,6 +171,45 @@ public class LLDPLinkProvider extends AbstractProvider implements LinkProvider {
         log.info("Stopped");
     }
 
+    @Modified
+    public void modified(ComponentContext context) {
+        if (context == null) {
+            return;
+        }
+        @SuppressWarnings("rawtypes")
+        Dictionary properties = context.getProperties();
+
+        String s = (String) properties.get(PROP_USE_BDDP);
+        if (Strings.isNullOrEmpty(s)) {
+            useBDDP = true;
+        } else {
+            useBDDP = Boolean.valueOf(s);
+        }
+        s = (String) properties.get(PROP_LLDP_SUPPRESSION);
+        if (Strings.isNullOrEmpty(s)) {
+            filePath = DEFAULT_LLDP_SUPPRESSION_CONFIG;
+        } else {
+            filePath = s;
+        }
+
+        loadSuppressionRules();
+    }
+
+    private void loadSuppressionRules() {
+        SuppressionRulesStore store = new SuppressionRulesStore(filePath);
+        try {
+            rules = store.read();
+        } catch (IOException e) {
+            log.info("Failed to load {}, using built-in rules", filePath);
+            // default rule to suppress ROADM to maintain compatibility
+            rules = new SuppressionRules(ImmutableSet.of(),
+                                         EnumSet.of(Device.Type.ROADM),
+                                         ImmutableMap.of());
+        }
+
+        // should refresh discoverers when we need dynamic reconfiguration
+    }
+
     private class InternalRoleListener implements MastershipListener {
 
         @Override
@@ -150,6 +226,9 @@ public class LLDPLinkProvider extends AbstractProvider implements LinkProvider {
                 log.warn("Device {} doesn't exist, or isn't there yet", deviceId);
                 return;
             }
+            if (rules.isSuppressed(device)) {
+                return;
+            }
             synchronized (discoverers) {
                 if (!discoverers.containsKey(deviceId)) {
                     // ideally, should never reach here
@@ -183,6 +262,10 @@ public class LLDPLinkProvider extends AbstractProvider implements LinkProvider {
                     synchronized (discoverers) {
                         ld = discoverers.get(deviceId);
                         if (ld == null) {
+                            if (rules.isSuppressed(device)) {
+                                log.debug("LinkDiscovery from {} disabled by configuration", device.id());
+                                return;
+                            }
                             log.debug("Device added ({}) {}", event.type(),
                                       deviceId);
                             discoverers.put(deviceId, new LinkDiscovery(device,
@@ -204,6 +287,11 @@ public class LLDPLinkProvider extends AbstractProvider implements LinkProvider {
                         if (ld == null) {
                             return;
                         }
+                        if (rules.isSuppressed(port)) {
+                            log.debug("LinkDiscovery from {}@{} disabled by configuration",
+                                      port.number(), device.id());
+                            return;
+                        }
                         if (!port.number().isLogical()) {
                             log.debug("Port added {}", port);
                             ld.addPort(port);
@@ -280,6 +368,9 @@ public class LLDPLinkProvider extends AbstractProvider implements LinkProvider {
             try {
                 LinkDiscovery ld = null;
                 for (Device dev : deviceService.getDevices()) {
+                    if (rules.isSuppressed(dev)) {
+                        continue;
+                    }
                     DeviceId did = dev.id();
                     synchronized (discoverers) {
                         if (!discoverers.containsKey(did)) {
@@ -287,6 +378,9 @@ public class LLDPLinkProvider extends AbstractProvider implements LinkProvider {
                                     masterService, providerService, useBDDP);
                             discoverers.put(did, ld);
                             for (Port p : deviceService.getPorts(did)) {
+                                if (rules.isSuppressed(p)) {
+                                    continue;
+                                }
                                 if (!p.number().isLogical()) {
                                     ld.addPort(p);
                                 }

@@ -344,7 +344,6 @@ public class LinkDiscovery implements TimerTask {
     }
 
     private void sendProbes(Long portNumber) {
-        if (device.type() != Device.Type.ROADM) {
         log.trace("Sending probes out to {}@{}", portNumber, device.id());
         OutboundPacket pkt = this.createOutBoundLLDP(portNumber);
         pktService.emit(pkt);
@@ -353,7 +352,6 @@ public class LinkDiscovery implements TimerTask {
             pktService.emit(bpkt);
         }
     }
-    }
 
     public boolean containsPort(Long portNumber) {
         return slowPorts.contains(portNumber) || fastPorts.contains(portNumber);

+/*
+ * Copyright 2014 Open Networking Laboratory
+ *
+ * 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.onosproject.provider.lldp.impl;
+
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Set;
+
+import org.onosproject.net.Annotations;
+import org.onosproject.net.Device;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.Element;
+import org.onosproject.net.Port;
+
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.ImmutableSet;
+
+public class SuppressionRules {
+
+    public static final String ANY_VALUE = "(any)";
+
+    private final Set<DeviceId> suppressedDevice;
+    private final Set<Device.Type> suppressedDeviceType;
+    private final Map<String, String> suppressedAnnotation;
+
+    public SuppressionRules(Set<DeviceId> suppressedDevice,
+                     Set<Device.Type> suppressedType,
+                     Map<String, String> suppressedAnnotation) {
+
+        this.suppressedDevice = ImmutableSet.copyOf(suppressedDevice);
+        this.suppressedDeviceType = ImmutableSet.copyOf(suppressedType);
+        this.suppressedAnnotation = ImmutableMap.copyOf(suppressedAnnotation);
+    }
+
+    public boolean isSuppressed(Device device) {
+        if (suppressedDevice.contains(device.id())) {
+            return true;
+        }
+        if (suppressedDeviceType.contains(device.type())) {
+            return true;
+        }
+        final Annotations annotations = device.annotations();
+        if (containsSuppressionAnnotation(annotations)) {
+            return true;
+        }
+        return false;
+    }
+
+    public boolean isSuppressed(Port port) {
+        Element parent = port.element();
+        if (parent instanceof Device) {
+            if (isSuppressed((Device) parent)) {
+                return true;
+            }
+        }
+
+        final Annotations annotations = port.annotations();
+        if (containsSuppressionAnnotation(annotations)) {
+            return true;
+        }
+        return false;
+    }
+
+    private boolean containsSuppressionAnnotation(final Annotations annotations) {
+        for (Entry<String, String> entry : suppressedAnnotation.entrySet()) {
+            final String suppValue = entry.getValue();
+            final String suppKey = entry.getKey();
+            if (suppValue == ANY_VALUE) {
+                if (annotations.keys().contains(suppKey)) {
+                    return true;
+                }
+            } else {
+                if (suppValue.equals(annotations.value(suppKey))) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
+    Set<DeviceId> getSuppressedDevice() {
+        return suppressedDevice;
+    }
+
+    Set<Device.Type> getSuppressedDeviceType() {
+        return suppressedDeviceType;
+    }
+
+    Map<String, String> getSuppressedAnnotation() {
+        return suppressedAnnotation;
+    }
+}

+/*
+ * Copyright 2014 Open Networking Laboratory
+ *
+ * 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.onosproject.provider.lldp.impl;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+import static org.slf4j.LoggerFactory.getLogger;
+
+import com.fasterxml.jackson.core.JsonEncoding;
+import com.fasterxml.jackson.core.JsonFactory;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.ArrayNode;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+
+import org.onosproject.net.Device;
+import org.onosproject.net.DeviceId;
+import org.slf4j.Logger;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.EnumSet;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Set;
+
+/*
+ * JSON file example
+ *
+
+{
+  "deviceId" : [ "of:2222000000000000" ],
+  "deviceType" : [ "ROADM" ],
+  "annotation" : { "no-lldp" : null, "sendLLDP" : "false" }
+}
+ */
+
+/**
+ * Allows for reading and writing LLDP suppression definition as a JSON file.
+ */
+public class SuppressionRulesStore {
+
+    private static final String DEVICE_ID = "deviceId";
+    private static final String DEVICE_TYPE = "deviceType";
+    private static final String ANNOTATION = "annotation";
+
+    private final Logger log = getLogger(getClass());
+
+    private final File file;
+
+    /**
+     * Creates a reader/writer of the LLDP suppression definition file.
+     *
+     * @param filePath location of the definition file
+     */
+    public SuppressionRulesStore(String filePath) {
+        file = new File(filePath);
+    }
+
+    /**
+     * Creates a reader/writer of the LLDP suppression definition file.
+     *
+     * @param file definition file
+     */
+    public SuppressionRulesStore(File file) {
+        this.file = checkNotNull(file);
+    }
+
+    /**
+     * Returns SuppressionRules.
+     *
+     * @return SuppressionRules
+     * @throws IOException
+     */
+    public SuppressionRules read() throws IOException {
+        final Set<DeviceId> suppressedDevice = new HashSet<>();
+        final EnumSet<Device.Type> suppressedDeviceType = EnumSet.noneOf(Device.Type.class);
+        final Map<String, String> suppressedAnnotation = new HashMap<>();
+
+        ObjectMapper mapper = new ObjectMapper();
+        ObjectNode root = (ObjectNode) mapper.readTree(file);
+
+        for (JsonNode deviceId : root.get(DEVICE_ID)) {
+            if (deviceId.isTextual()) {
+                suppressedDevice.add(DeviceId.deviceId(deviceId.asText()));
+            } else {
+                log.warn("Encountered unexpected JSONNode {} for deviceId", deviceId);
+            }
+        }
+
+        for (JsonNode deviceType : root.get(DEVICE_TYPE)) {
+            if (deviceType.isTextual()) {
+                suppressedDeviceType.add(Device.Type.valueOf(deviceType.asText()));
+            } else {
+                log.warn("Encountered unexpected JSONNode {} for deviceType", deviceType);
+            }
+        }
+
+        JsonNode annotation = root.get(ANNOTATION);
+        if (annotation.isObject()) {
+            ObjectNode obj = (ObjectNode) annotation;
+            Iterator<Entry<String, JsonNode>> it = obj.fields();
+            while (it.hasNext()) {
+                Entry<String, JsonNode> entry = it.next();
+                final String key = entry.getKey();
+                final JsonNode value = entry.getValue();
+
+                if (value.isValueNode()) {
+                    if (value.isNull()) {
+                        suppressedAnnotation.put(key, SuppressionRules.ANY_VALUE);
+                    } else {
+                        suppressedAnnotation.put(key, value.asText());
+                    }
+                } else {
+                    log.warn("Encountered unexpected JSON field {} for annotation", entry);
+                }
+            }
+        } else {
+            log.warn("Encountered unexpected JSONNode {} for annotation", annotation);
+        }
+
+        return new SuppressionRules(suppressedDevice,
+                                    suppressedDeviceType,
+                                    suppressedAnnotation);
+    }
+
+    /**
+     * Writes the given SuppressionRules.
+     *
+     * @param rules SuppressionRules
+     * @throws IOException
+     */
+    public void write(SuppressionRules rules) throws IOException {
+        ObjectMapper mapper = new ObjectMapper();
+        ObjectNode root = mapper.createObjectNode();
+        ArrayNode deviceIds = mapper.createArrayNode();
+        ArrayNode deviceTypes = mapper.createArrayNode();
+        ObjectNode annotations = mapper.createObjectNode();
+        root.set(DEVICE_ID, deviceIds);
+        root.set(DEVICE_TYPE, deviceTypes);
+        root.set(ANNOTATION, annotations);
+
+        rules.getSuppressedDevice()
+            .forEach(deviceId -> deviceIds.add(deviceId.toString()));
+
+        rules.getSuppressedDeviceType()
+            .forEach(type -> deviceTypes.add(type.toString()));
+
+        rules.getSuppressedAnnotation().forEach((key, value) -> {
+            if (value == SuppressionRules.ANY_VALUE) {
+                annotations.putNull(key);
+            } else {
+                annotations.put(key, value);
+            }
+        });
+        mapper.writeTree(new JsonFactory().createGenerator(file, JsonEncoding.UTF8),
+                         root);
+    }
+}

+/*
+ * Copyright 2014 Open Networking Laboratory
+ *
+ * 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.onosproject.provider.lldp.impl;
+
+import static org.junit.Assert.*;
+import static org.onosproject.net.DeviceId.deviceId;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.URISyntaxException;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.TemporaryFolder;
+import org.onosproject.net.Device;
+
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.ImmutableSet;
+import com.google.common.io.Resources;
+
+public class SuppressionRulesStoreTest {
+
+    @Rule
+    public TemporaryFolder tempFolder = new TemporaryFolder();
+
+    // "lldp_suppression.json"
+    SuppressionRules testData
+        = new SuppressionRules(ImmutableSet.of(deviceId("of:2222000000000000")),
+                               ImmutableSet.of(Device.Type.ROADM),
+                               ImmutableMap.of("no-lldp", SuppressionRules.ANY_VALUE,
+                                               "sendLLDP", "false"));
+
+    private static void assertRulesEqual(SuppressionRules expected, SuppressionRules actual) {
+        assertEquals(expected.getSuppressedDevice(),
+                     actual.getSuppressedDevice());
+        assertEquals(expected.getSuppressedDeviceType(),
+                     actual.getSuppressedDeviceType());
+        assertEquals(expected.getSuppressedAnnotation(),
+                     actual.getSuppressedAnnotation());
+    }
+
+    @Test
+    public void testRead() throws URISyntaxException, IOException {
+        Path path = Paths.get(Resources.getResource("lldp_suppression.json").toURI());
+
+        SuppressionRulesStore store = new SuppressionRulesStore(path.toString());
+
+        SuppressionRules rules = store.read();
+
+        assertRulesEqual(testData, rules);
+    }
+
+    @Test
+    public void testWrite() throws IOException {
+        File newFile = tempFolder.newFile();
+        SuppressionRulesStore store = new SuppressionRulesStore(newFile);
+        store.write(testData);
+
+        SuppressionRulesStore reload = new SuppressionRulesStore(newFile);
+        SuppressionRules rules = reload.read();
+
+        assertRulesEqual(testData, rules);
+    }
+}

+package org.onosproject.provider.lldp.impl;
+
+import static org.junit.Assert.*;
+import static org.onosproject.net.DeviceId.deviceId;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.onlab.packet.ChassisId;
+import org.onosproject.net.Annotations;
+import org.onosproject.net.DefaultAnnotations;
+import org.onosproject.net.DefaultDevice;
+import org.onosproject.net.DefaultPort;
+import org.onosproject.net.Device;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.Port;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.provider.ProviderId;
+
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.ImmutableSet;
+
+public class SuppressionRulesTest {
+
+    private static final DeviceId NON_SUPPRESSED_DID = deviceId("of:1111000000000000");
+    private static final DeviceId SUPPRESSED_DID = deviceId("of:2222000000000000");
+    private static final ProviderId PID = new ProviderId("of", "foo");
+    private static final String MFR = "whitebox";
+    private static final String HW = "1.1.x";
+    private static final String SW1 = "3.8.1";
+    private static final String SN = "43311-12345";
+    private static final ChassisId CID = new ChassisId();
+
+    private static final PortNumber P1 = PortNumber.portNumber(1);
+
+    private SuppressionRules rules;
+
+    @Before
+    public void setUp() throws Exception {
+        rules = new SuppressionRules(ImmutableSet.of(SUPPRESSED_DID),
+                               ImmutableSet.of(Device.Type.ROADM),
+                               ImmutableMap.of("no-lldp", SuppressionRules.ANY_VALUE,
+                                               "sendLLDP", "false"));
+    }
+
+    @Test
+    public void testSuppressedDeviceId() {
+        Device device = new DefaultDevice(PID,
+                                          SUPPRESSED_DID,
+                                          Device.Type.SWITCH,
+                                          MFR, HW, SW1, SN, CID);
+        assertTrue(rules.isSuppressed(device));
+    }
+
+    @Test
+    public void testSuppressedDeviceType() {
+        Device device = new DefaultDevice(PID,
+                                          NON_SUPPRESSED_DID,
+                                          Device.Type.ROADM,
+                                          MFR, HW, SW1, SN, CID);
+        assertTrue(rules.isSuppressed(device));
+    }
+
+    @Test
+    public void testSuppressedDeviceAnnotation() {
+        Annotations annotation = DefaultAnnotations.builder()
+                .set("no-lldp", "random")
+                .build();
+
+        Device device = new DefaultDevice(PID,
+                                          NON_SUPPRESSED_DID,
+                                          Device.Type.SWITCH,
+                                          MFR, HW, SW1, SN, CID, annotation);
+        assertTrue(rules.isSuppressed(device));
+    }
+
+    @Test
+    public void testSuppressedDeviceAnnotationExact() {
+        Annotations annotation = DefaultAnnotations.builder()
+                .set("sendLLDP", "false")
+                .build();
+
+        Device device = new DefaultDevice(PID,
+                                          NON_SUPPRESSED_DID,
+                                          Device.Type.SWITCH,
+                                          MFR, HW, SW1, SN, CID, annotation);
+        assertTrue(rules.isSuppressed(device));
+    }
+
+    @Test
+    public void testNotSuppressedDevice() {
+        Device device = new DefaultDevice(PID,
+                                          NON_SUPPRESSED_DID,
+                                          Device.Type.SWITCH,
+                                          MFR, HW, SW1, SN, CID);
+        assertFalse(rules.isSuppressed(device));
+    }
+
+    @Test
+    public void testSuppressedPortOnSuppressedDevice() {
+        Device device = new DefaultDevice(PID,
+                                          SUPPRESSED_DID,
+                                          Device.Type.SWITCH,
+                                          MFR, HW, SW1, SN, CID);
+        Port port = new DefaultPort(device, P1, true);
+
+        assertTrue(rules.isSuppressed(port));
+    }
+
+    @Test
+    public void testSuppressedPortAnnotation() {
+        Annotations annotation = DefaultAnnotations.builder()
+                .set("no-lldp", "random")
+                .build();
+        Device device = new DefaultDevice(PID,
+                                          NON_SUPPRESSED_DID,
+                                          Device.Type.SWITCH,
+                                          MFR, HW, SW1, SN, CID);
+        Port port = new DefaultPort(device, P1, true, annotation);
+
+        assertTrue(rules.isSuppressed(port));
+    }
+
+    @Test
+    public void testSuppressedPortAnnotationExact() {
+        Annotations annotation = DefaultAnnotations.builder()
+                .set("sendLLDP", "false")
+                .build();
+        Device device = new DefaultDevice(PID,
+                                          NON_SUPPRESSED_DID,
+                                          Device.Type.SWITCH,
+                                          MFR, HW, SW1, SN, CID);
+        Port port = new DefaultPort(device, P1, true, annotation);
+
+        assertTrue(rules.isSuppressed(port));
+    }
+
+    @Test
+    public void testNotSuppressedPort() {
+        Device device = new DefaultDevice(PID,
+                                          NON_SUPPRESSED_DID,
+                                          Device.Type.SWITCH,
+                                          MFR, HW, SW1, SN, CID);
+        Port port = new DefaultPort(device, P1, true);
+
+        assertFalse(rules.isSuppressed(port));
+    }
+}

+{
+  "deviceId" : [ "of:2222000000000000" ],
+  "deviceType" : [ "ROADM" ],
+  "annotation" : { "no-lldp" : null, "sendLLDP" : "false" }
+}
+