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feat(provider/kuberentes): v2 security group provider
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Lars Wander
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Nov 8, 2017
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160 changes: 160 additions & 0 deletions
160
...lix/spinnaker/clouddriver/kubernetes/v2/caching/view/model/KubernetesV2SecurityGroup.java
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| /* | ||
| * Copyright 2017 Google, Inc. | ||
| * | ||
| * 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. | ||
| * | ||
| */ | ||
|
|
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| package com.netflix.spinnaker.clouddriver.kubernetes.v2.caching.view.model; | ||
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| import com.netflix.spinnaker.cats.cache.CacheData; | ||
| import com.netflix.spinnaker.clouddriver.kubernetes.v2.caching.Keys; | ||
| import com.netflix.spinnaker.clouddriver.kubernetes.v2.caching.agent.KubernetesCacheDataConverter; | ||
| import com.netflix.spinnaker.clouddriver.kubernetes.v2.description.manifest.KubernetesKind; | ||
| import com.netflix.spinnaker.clouddriver.kubernetes.v2.description.manifest.KubernetesManifest; | ||
| import com.netflix.spinnaker.clouddriver.model.SecurityGroup; | ||
| import com.netflix.spinnaker.clouddriver.model.SecurityGroupSummary; | ||
| import com.netflix.spinnaker.clouddriver.model.securitygroups.Rule; | ||
| import io.kubernetes.client.models.V1NetworkPolicy; | ||
| import io.kubernetes.client.models.V1NetworkPolicyPort; | ||
| import lombok.AllArgsConstructor; | ||
| import lombok.Builder; | ||
| import lombok.Data; | ||
| import lombok.EqualsAndHashCode; | ||
| import lombok.NoArgsConstructor; | ||
| import lombok.extern.slf4j.Slf4j; | ||
|
|
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| import java.util.Collections; | ||
| import java.util.HashSet; | ||
| import java.util.Set; | ||
| import java.util.SortedSet; | ||
| import java.util.TreeSet; | ||
| import java.util.stream.Collectors; | ||
|
|
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| @EqualsAndHashCode(callSuper = true) | ||
| @Data | ||
| @Slf4j | ||
| public class KubernetesV2SecurityGroup extends ManifestBasedModel implements SecurityGroup { | ||
| KubernetesManifest manifest; | ||
| Keys.InfrastructureCacheKey key; | ||
| String id; | ||
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| @Override | ||
| public String getApplication() { | ||
| return getMoniker().getApp(); | ||
| } | ||
|
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| Set<Rule> inboundRules; | ||
| Set<Rule> outboundRules; | ||
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| @Override | ||
| public SecurityGroupSummary getSummary() { | ||
| return KubernetesV2SecurityGroupSummary.builder() | ||
| .id(id) | ||
| .name(id) | ||
| .build(); | ||
| } | ||
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| KubernetesV2SecurityGroup(KubernetesManifest manifest, String key, Set<Rule> inboundRules, Set<Rule> outboundRules) { | ||
| this.manifest = manifest; | ||
| this.id = manifest.getName(); | ||
| this.key = (Keys.InfrastructureCacheKey) Keys.parseKey(key).get(); | ||
| this.inboundRules = inboundRules; | ||
| this.outboundRules = outboundRules; | ||
| } | ||
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| public static KubernetesV2SecurityGroup fromCacheData(CacheData cd) { | ||
| if (cd == null) { | ||
| return null; | ||
| } | ||
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| KubernetesManifest manifest = KubernetesCacheDataConverter.getManifest(cd); | ||
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| if (manifest == null) { | ||
| log.warn("Cache data {} inserted without a manifest", cd.getId()); | ||
| return null; | ||
| } | ||
|
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| Set<Rule> inboundRules = new HashSet<>(); | ||
| Set<Rule> outboundRules = new HashSet<>(); | ||
|
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| if (manifest.getKind() != KubernetesKind.NETWORK_POLICY) { | ||
| log.warn("Unknown security group kind " + manifest.getKind()); | ||
| } else { | ||
| switch (manifest.getApiVersion()) { | ||
| case NETWORKING_K8S_IO_V1: | ||
| V1NetworkPolicy v1beta1NetworkPolicy = KubernetesCacheDataConverter.getResource(manifest, V1NetworkPolicy.class); | ||
| inboundRules = inboundRules(v1beta1NetworkPolicy); | ||
| outboundRules = outboundRules(v1beta1NetworkPolicy); | ||
| break; | ||
| default: | ||
| log.warn("Could not determine (in)/(out)bound rules for " + manifest.getName() + " at version " + manifest.getApiVersion()); | ||
| } | ||
| } | ||
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| return new KubernetesV2SecurityGroup(manifest, cd.getId(), inboundRules, outboundRules); | ||
| } | ||
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| private static Set<Rule> inboundRules(V1NetworkPolicy policy) { | ||
| return policy.getSpec().getIngress().stream() | ||
| .map(i -> i.getPorts().stream().map(KubernetesV2SecurityGroup::fromPolicyPort)) | ||
| .flatMap(s -> s) | ||
| .collect(Collectors.toSet()); | ||
| } | ||
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| private static Set<Rule> outboundRules(V1NetworkPolicy policy) { | ||
| return policy.getSpec().getEgress().stream() | ||
| .map(i -> i.getPorts().stream().map(KubernetesV2SecurityGroup::fromPolicyPort)) | ||
| .flatMap(s -> s) | ||
| .collect(Collectors.toSet()); | ||
| } | ||
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| private static Rule fromPolicyPort(V1NetworkPolicyPort policyPort) { | ||
| String port = policyPort.getPort(); | ||
| return new PortRule() | ||
| .setProtocol(policyPort.getProtocol()) | ||
| .setPortRanges(new TreeSet<>(Collections.singletonList(new StringPortRange(port)))); | ||
| } | ||
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| @Data | ||
| @NoArgsConstructor | ||
| @AllArgsConstructor | ||
| @Builder | ||
| private static class KubernetesV2SecurityGroupSummary implements SecurityGroupSummary { | ||
| String name; | ||
| String id; | ||
| } | ||
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| @Data | ||
| public static class PortRule implements Rule { | ||
| SortedSet<PortRange> portRanges; | ||
| String protocol; | ||
| } | ||
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| @Data | ||
| public static class StringPortRange extends Rule.PortRange { | ||
| protected String startPortName; | ||
| protected String endPortName; | ||
| StringPortRange(String port) { | ||
| Integer numPort; | ||
| try { | ||
| numPort = Integer.parseInt(port); | ||
| this.startPort = numPort; | ||
| this.endPort = numPort; | ||
| } catch (Exception e) { | ||
| this.startPortName = port; | ||
| this.endPortName = port; | ||
| } | ||
| } | ||
| } | ||
| } |
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