Jian Li | 1c10cf2 | 2021-03-05 01:32:04 +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 | |
| 18 | import com.google.common.base.Strings; |
| 19 | import org.onosproject.core.ApplicationId; |
| 20 | import org.onosproject.core.CoreService; |
| 21 | import org.onosproject.event.ListenerRegistry; |
| 22 | import org.onosproject.kubevirtnetworking.api.KubevirtSecurityGroup; |
| 23 | import org.onosproject.kubevirtnetworking.api.KubevirtSecurityGroupAdminService; |
| 24 | import org.onosproject.kubevirtnetworking.api.KubevirtSecurityGroupEvent; |
| 25 | import org.onosproject.kubevirtnetworking.api.KubevirtSecurityGroupListener; |
| 26 | import org.onosproject.kubevirtnetworking.api.KubevirtSecurityGroupRule; |
| 27 | import org.onosproject.kubevirtnetworking.api.KubevirtSecurityGroupService; |
| 28 | import org.onosproject.kubevirtnetworking.api.KubevirtSecurityGroupStore; |
| 29 | import org.onosproject.kubevirtnetworking.api.KubevirtSecurityGroupStoreDelegate; |
| 30 | import org.osgi.service.component.annotations.Activate; |
| 31 | import org.osgi.service.component.annotations.Component; |
| 32 | import org.osgi.service.component.annotations.Deactivate; |
| 33 | import org.osgi.service.component.annotations.Reference; |
| 34 | import org.osgi.service.component.annotations.ReferenceCardinality; |
| 35 | import org.slf4j.Logger; |
| 36 | |
| 37 | import java.util.HashSet; |
| 38 | import java.util.Objects; |
| 39 | import java.util.Set; |
| 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 security groups. |
| 48 | */ |
| 49 | @Component( |
| 50 | immediate = true, |
| 51 | service = {KubevirtSecurityGroupAdminService.class, KubevirtSecurityGroupService.class } |
| 52 | ) |
| 53 | public class KubevirtSecurityGroupManager |
| 54 | extends ListenerRegistry<KubevirtSecurityGroupEvent, KubevirtSecurityGroupListener> |
| 55 | implements KubevirtSecurityGroupAdminService, KubevirtSecurityGroupService { |
| 56 | |
| 57 | protected final Logger log = getLogger(getClass()); |
| 58 | |
| 59 | private static final String MSG_SG = "Kubevirt security group %s %s"; |
| 60 | private static final String MSG_SG_RULE = "Kubevirt security group rule %s %s"; |
| 61 | |
| 62 | private static final String MSG_CREATED = "created"; |
| 63 | private static final String MSG_REMOVED = "removed"; |
| 64 | |
| 65 | private static final String ERR_NULL_SG = |
| 66 | "Kubevirt security group cannot be null"; |
| 67 | private static final String ERR_NULL_SG_ID = |
| 68 | "Kubevirt security group ID cannot be null"; |
| 69 | private static final String ERR_NULL_SG_RULE = |
| 70 | "Kubevirt security group rule cannot be null"; |
| 71 | private static final String ERR_NULL_SG_RULE_ID = |
| 72 | "Kubevirt security group rule ID cannot be null"; |
| 73 | private static final String ERR_NOT_FOUND = "not found"; |
| 74 | private static final String ERR_DUPLICATE = "already exist"; |
| 75 | |
| 76 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 77 | protected CoreService coreService; |
| 78 | |
| 79 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 80 | protected KubevirtSecurityGroupStore sgStore; |
| 81 | |
| 82 | private final KubevirtSecurityGroupStoreDelegate |
| 83 | delegate = new InternalSecurityGroupStoreDelegate(); |
| 84 | |
| 85 | private ApplicationId appId; |
| 86 | private boolean useSecurityGroup = false; |
| 87 | |
| 88 | @Activate |
| 89 | protected void activate() { |
| 90 | appId = coreService.registerApplication(KUBEVIRT_NETWORKING_APP_ID); |
| 91 | |
| 92 | sgStore.setDelegate(delegate); |
| 93 | log.info("Started"); |
| 94 | } |
| 95 | |
| 96 | @Deactivate |
| 97 | protected void deactivate() { |
| 98 | sgStore.unsetDelegate(delegate); |
| 99 | log.info("Stopped"); |
| 100 | } |
| 101 | |
| 102 | @Override |
| 103 | public void createSecurityGroup(KubevirtSecurityGroup sg) { |
| 104 | checkNotNull(sg, ERR_NULL_SG); |
| 105 | checkArgument(!Strings.isNullOrEmpty(sg.id()), ERR_NULL_SG_ID); |
| 106 | |
| 107 | sgStore.createSecurityGroup(sg); |
| 108 | log.info(String.format(MSG_SG, sg.id(), MSG_CREATED)); |
| 109 | } |
| 110 | |
| 111 | @Override |
| 112 | public void updateSecurityGroup(KubevirtSecurityGroup sg) { |
| 113 | checkNotNull(sg, ERR_NULL_SG); |
| 114 | checkArgument(!Strings.isNullOrEmpty(sg.id()), ERR_NULL_SG_ID); |
| 115 | |
| 116 | sgStore.updateSecurityGroup(sg); |
| 117 | } |
| 118 | |
| 119 | @Override |
| 120 | public void removeSecurityGroup(String sgId) { |
| 121 | checkArgument(!Strings.isNullOrEmpty(sgId), ERR_NULL_SG_ID); |
| 122 | |
| 123 | sgStore.removeSecurityGroup(sgId); |
| 124 | log.info(String.format(MSG_SG, sgId, MSG_REMOVED)); |
| 125 | } |
| 126 | |
| 127 | @Override |
| 128 | public void createSecurityGroupRule(KubevirtSecurityGroupRule sgRule) { |
| 129 | checkNotNull(sgRule, ERR_NULL_SG_RULE); |
| 130 | checkArgument(!Strings.isNullOrEmpty(sgRule.id()), ERR_NULL_SG_RULE_ID); |
| 131 | checkArgument(!Strings.isNullOrEmpty(sgRule.securityGroupId()), ERR_NULL_SG_ID); |
| 132 | |
| 133 | synchronized (this) { |
| 134 | KubevirtSecurityGroup sg = securityGroup(sgRule.securityGroupId()); |
| 135 | if (sg == null) { |
| 136 | final String error = String.format(MSG_SG, |
| 137 | sgRule.securityGroupId(), ERR_NOT_FOUND); |
| 138 | throw new IllegalStateException(error); |
| 139 | } |
| 140 | |
| 141 | if (sg.rules().stream().anyMatch(rule -> Objects.equals(rule.id(), sgRule.id()))) { |
| 142 | final String error = String.format(MSG_SG_RULE, sgRule.securityGroupId(), ERR_DUPLICATE); |
| 143 | throw new IllegalStateException(error); |
| 144 | } |
| 145 | |
| 146 | // FIXME we cannot add element to extend list |
| 147 | Set<KubevirtSecurityGroupRule> updatedSgRules = new HashSet<>(sg.rules()); |
| 148 | updatedSgRules.add(sgRule); |
| 149 | sgStore.updateSecurityGroup(sg.updateRules(updatedSgRules)); |
| 150 | } |
| 151 | |
| 152 | log.info(String.format(MSG_SG_RULE, sgRule.id(), MSG_CREATED)); |
| 153 | } |
| 154 | |
| 155 | @Override |
| 156 | public void removeSecurityGroupRule(String sgRuleId) { |
| 157 | checkArgument(!Strings.isNullOrEmpty(sgRuleId), ERR_NULL_SG_RULE_ID); |
| 158 | |
| 159 | synchronized (this) { |
| 160 | KubevirtSecurityGroupRule sgRule = securityGroupRule(sgRuleId); |
| 161 | if (sgRule == null) { |
| 162 | final String error = String.format(MSG_SG_RULE, sgRuleId, ERR_NOT_FOUND); |
| 163 | throw new IllegalStateException(error); |
| 164 | } |
| 165 | |
| 166 | KubevirtSecurityGroup sg = securityGroup(sgRule.securityGroupId()); |
| 167 | if (sg == null) { |
| 168 | final String error = String.format(MSG_SG, |
| 169 | sgRule.securityGroupId(), ERR_NOT_FOUND); |
| 170 | throw new IllegalStateException(error); |
| 171 | } |
| 172 | |
| 173 | if (sg.rules().stream().noneMatch(rule -> Objects.equals(rule.id(), sgRule.id()))) { |
| 174 | final String error = String.format(MSG_SG_RULE, |
| 175 | sgRule.securityGroupId(), ERR_NOT_FOUND); |
| 176 | throw new IllegalStateException(error); |
| 177 | } |
| 178 | |
| 179 | Set<KubevirtSecurityGroupRule> updatedSgRules = new HashSet<>(sg.rules()); |
| 180 | updatedSgRules.removeIf(r -> r.id().equals(sgRuleId)); |
| 181 | sgStore.updateSecurityGroup(sg.updateRules(updatedSgRules)); |
| 182 | } |
| 183 | |
| 184 | log.info(String.format(MSG_SG_RULE, sgRuleId, MSG_REMOVED)); |
| 185 | } |
| 186 | |
| 187 | @Override |
| 188 | public void clear() { |
| 189 | sgStore.clear(); |
| 190 | } |
| 191 | |
| 192 | @Override |
| 193 | public Set<KubevirtSecurityGroup> securityGroups() { |
| 194 | return sgStore.securityGroups(); |
| 195 | } |
| 196 | |
| 197 | @Override |
| 198 | public KubevirtSecurityGroup securityGroup(String sgId) { |
| 199 | checkArgument(!Strings.isNullOrEmpty(sgId), ERR_NULL_SG_ID); |
| 200 | return sgStore.securityGroup(sgId); |
| 201 | } |
| 202 | |
| 203 | @Override |
| 204 | public boolean isSecurityGroupEnabled() { |
| 205 | return useSecurityGroup; |
| 206 | } |
| 207 | |
| 208 | @Override |
| 209 | public void setSecurityGroupEnabled(boolean option) { |
| 210 | useSecurityGroup = option; |
| 211 | } |
| 212 | |
| 213 | @Override |
| 214 | public KubevirtSecurityGroupRule securityGroupRule(String sgRuleId) { |
| 215 | return sgStore.securityGroups().stream() |
| 216 | .flatMap(sg -> sg.rules().stream()) |
| 217 | .filter(sgRule -> Objects.equals(sgRule.id(), sgRuleId)) |
| 218 | .findAny().orElse(null); |
| 219 | } |
| 220 | |
| 221 | private class InternalSecurityGroupStoreDelegate |
| 222 | implements KubevirtSecurityGroupStoreDelegate { |
| 223 | |
| 224 | @Override |
| 225 | public void notify(KubevirtSecurityGroupEvent event) { |
| 226 | if (event != null) { |
| 227 | log.trace("send kubevirt security group event {}", event); |
| 228 | process(event); |
| 229 | } |
| 230 | } |
| 231 | } |
| 232 | } |