Jian Li | 8fe714d | 2021-01-11 02:35:06 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2021-present Open Networking Foundation |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.kubevirtnetworking.impl; |
| 17 | |
Jian Li | 8fe714d | 2021-01-11 02:35:06 +0900 | [diff] [blame] | 18 | import com.google.common.base.Strings; |
| 19 | import com.google.common.collect.ImmutableSet; |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 20 | import org.onlab.packet.IpAddress; |
Jian Li | 8fe714d | 2021-01-11 02:35:06 +0900 | [diff] [blame] | 21 | import org.onosproject.core.ApplicationId; |
| 22 | import org.onosproject.core.CoreService; |
| 23 | import org.onosproject.event.ListenerRegistry; |
| 24 | import org.onosproject.kubevirtnetworking.api.KubevirtNetwork; |
| 25 | import org.onosproject.kubevirtnetworking.api.KubevirtNetworkAdminService; |
| 26 | import org.onosproject.kubevirtnetworking.api.KubevirtNetworkEvent; |
| 27 | import org.onosproject.kubevirtnetworking.api.KubevirtNetworkListener; |
| 28 | import org.onosproject.kubevirtnetworking.api.KubevirtNetworkService; |
| 29 | import org.onosproject.kubevirtnetworking.api.KubevirtNetworkStore; |
| 30 | import org.onosproject.kubevirtnetworking.api.KubevirtNetworkStoreDelegate; |
| 31 | import org.osgi.service.component.annotations.Activate; |
| 32 | import org.osgi.service.component.annotations.Component; |
| 33 | import org.osgi.service.component.annotations.Deactivate; |
| 34 | import org.osgi.service.component.annotations.Reference; |
| 35 | import org.osgi.service.component.annotations.ReferenceCardinality; |
| 36 | import org.slf4j.Logger; |
| 37 | |
| 38 | import java.util.Set; |
| 39 | import java.util.stream.Collectors; |
| 40 | |
| 41 | import static com.google.common.base.Preconditions.checkArgument; |
| 42 | import static com.google.common.base.Preconditions.checkNotNull; |
| 43 | import static org.onosproject.kubevirtnetworking.api.Constants.KUBEVIRT_NETWORKING_APP_ID; |
| 44 | import static org.slf4j.LoggerFactory.getLogger; |
| 45 | |
| 46 | /** |
| 47 | * Provides implementation of administering and interfacing kubevirt network. |
| 48 | */ |
| 49 | @Component( |
| 50 | immediate = true, |
| 51 | service = {KubevirtNetworkAdminService.class, KubevirtNetworkService.class} |
| 52 | ) |
| 53 | public class KubevirtNetworkManager |
| 54 | extends ListenerRegistry<KubevirtNetworkEvent, KubevirtNetworkListener> |
| 55 | implements KubevirtNetworkAdminService, KubevirtNetworkService { |
| 56 | |
| 57 | protected final Logger log = getLogger(getClass()); |
| 58 | |
| 59 | private static final String MSG_NETWORK = "Kubernetes network %s %s"; |
| 60 | |
| 61 | private static final String MSG_CREATED = "created"; |
| 62 | private static final String MSG_UPDATED = "updated"; |
| 63 | private static final String MSG_REMOVED = "removed"; |
| 64 | |
| 65 | private static final String ERR_NULL_NETWORK = "Kubernetes network cannot be null"; |
| 66 | private static final String ERR_NULL_NETWORK_ID = "Kubernetes network ID cannot be null"; |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 67 | private static final String ERR_NULL_IP = "IP address cannot be null"; |
Jian Li | 8fe714d | 2021-01-11 02:35:06 +0900 | [diff] [blame] | 68 | |
| 69 | private static final String ERR_IN_USE = " still in use"; |
| 70 | |
| 71 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 72 | protected CoreService coreService; |
| 73 | |
| 74 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 75 | protected KubevirtNetworkStore networkStore; |
| 76 | |
| 77 | private final KubevirtNetworkStoreDelegate delegate = new InternalNetworkStorageDelegate(); |
| 78 | |
| 79 | private ApplicationId appId; |
| 80 | |
| 81 | @Activate |
| 82 | protected void activate() { |
| 83 | appId = coreService.registerApplication(KUBEVIRT_NETWORKING_APP_ID); |
| 84 | |
| 85 | networkStore.setDelegate(delegate); |
| 86 | log.info("Started"); |
| 87 | } |
| 88 | |
| 89 | @Deactivate |
| 90 | protected void deactivate() { |
| 91 | networkStore.unsetDelegate(delegate); |
| 92 | log.info("Stopped"); |
| 93 | } |
| 94 | |
| 95 | @Override |
| 96 | public void createNetwork(KubevirtNetwork network) { |
| 97 | checkNotNull(network, ERR_NULL_NETWORK); |
| 98 | checkArgument(!Strings.isNullOrEmpty(network.networkId()), ERR_NULL_NETWORK_ID); |
| 99 | |
| 100 | networkStore.createNetwork(network); |
| 101 | |
| 102 | log.info(String.format(MSG_NETWORK, network.name(), MSG_CREATED)); |
| 103 | } |
| 104 | |
| 105 | @Override |
| 106 | public void updateNetwork(KubevirtNetwork network) { |
| 107 | checkNotNull(network, ERR_NULL_NETWORK); |
| 108 | checkArgument(!Strings.isNullOrEmpty(network.networkId()), ERR_NULL_NETWORK_ID); |
| 109 | |
| 110 | networkStore.updateNetwork(network); |
| 111 | |
| 112 | log.info(String.format(MSG_NETWORK, network.networkId(), MSG_UPDATED)); |
| 113 | } |
| 114 | |
| 115 | @Override |
| 116 | public void removeNetwork(String networkId) { |
| 117 | checkArgument(!Strings.isNullOrEmpty(networkId), ERR_NULL_NETWORK_ID); |
| 118 | |
| 119 | synchronized (this) { |
| 120 | // if (isNetworkInUse(networkId)) { |
| 121 | // final String error = String.format(MSG_NETWORK, networkId, ERR_IN_USE); |
| 122 | // throw new IllegalStateException(error); |
| 123 | // } |
| 124 | KubevirtNetwork network = networkStore.removeNetwork(networkId); |
| 125 | |
| 126 | if (network != null) { |
| 127 | log.info(String.format(MSG_NETWORK, network.name(), MSG_REMOVED)); |
| 128 | } |
| 129 | } |
| 130 | } |
| 131 | |
| 132 | @Override |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 133 | public IpAddress allocateIp(String networkId) { |
| 134 | checkArgument(!Strings.isNullOrEmpty(networkId), ERR_NULL_NETWORK_ID); |
| 135 | |
| 136 | try { |
| 137 | KubevirtNetwork network = networkStore.network(networkId); |
| 138 | IpAddress ip = network.ipPool().allocateIp(); |
| 139 | networkStore.updateNetwork(network); |
| 140 | return ip; |
| 141 | } catch (Exception e) { |
| 142 | log.error("Failed to allocate IP address"); |
| 143 | } |
| 144 | return null; |
| 145 | } |
| 146 | |
| 147 | @Override |
Jian Li | 7a581b1 | 2021-02-18 14:24:32 +0900 | [diff] [blame] | 148 | public boolean reserveIp(String networkId, IpAddress ip) { |
| 149 | checkArgument(!Strings.isNullOrEmpty(networkId), ERR_NULL_NETWORK_ID); |
| 150 | checkArgument(ip != null, ERR_NULL_IP); |
| 151 | |
| 152 | KubevirtNetwork network = networkStore.network(networkId); |
| 153 | boolean result = network.ipPool().reserveIp(ip); |
| 154 | if (result) { |
| 155 | networkStore.updateNetwork(network); |
| 156 | } else { |
| 157 | log.warn("Failed to reserve IP address"); |
| 158 | } |
| 159 | |
| 160 | return result; |
| 161 | } |
| 162 | |
| 163 | @Override |
Jian Li | ca20b71 | 2021-01-18 00:19:31 +0900 | [diff] [blame] | 164 | public void releaseIp(String networkId, IpAddress ip) { |
| 165 | checkArgument(!Strings.isNullOrEmpty(networkId), ERR_NULL_NETWORK_ID); |
| 166 | checkArgument(ip != null, ERR_NULL_IP); |
| 167 | |
| 168 | try { |
| 169 | KubevirtNetwork network = networkStore.network(networkId); |
| 170 | network.ipPool().releaseIp(ip); |
| 171 | networkStore.updateNetwork(network); |
| 172 | } catch (Exception e) { |
| 173 | log.error("Failed to allocate IP address"); |
| 174 | } |
| 175 | } |
| 176 | |
| 177 | @Override |
Jian Li | 8fe714d | 2021-01-11 02:35:06 +0900 | [diff] [blame] | 178 | public void clear() { |
| 179 | networkStore.clear(); |
| 180 | } |
| 181 | |
| 182 | @Override |
| 183 | public KubevirtNetwork network(String networkId) { |
| 184 | checkArgument(!Strings.isNullOrEmpty(networkId), ERR_NULL_NETWORK_ID); |
| 185 | return networkStore.network(networkId); |
| 186 | } |
| 187 | |
| 188 | @Override |
| 189 | public Set<KubevirtNetwork> networks() { |
| 190 | return ImmutableSet.copyOf(networkStore.networks()); |
| 191 | } |
| 192 | |
| 193 | @Override |
| 194 | public Set<KubevirtNetwork> networks(KubevirtNetwork.Type type) { |
| 195 | return ImmutableSet.copyOf(networkStore.networks().stream() |
| 196 | .filter(n -> n.type() == type).collect(Collectors.toSet())); |
| 197 | } |
| 198 | |
| 199 | private class InternalNetworkStorageDelegate implements KubevirtNetworkStoreDelegate { |
| 200 | |
| 201 | @Override |
| 202 | public void notify(KubevirtNetworkEvent event) { |
| 203 | if (event != null) { |
| 204 | log.trace("send kubevirt networking event {}", event); |
| 205 | process(event); |
| 206 | } |
| 207 | } |
| 208 | } |
| 209 | } |