Examples with NetworkPolicy com.google.container.v1.NetworkPolicy used on opensource projects

Example 81 with NetworkPolicy

use of com.google.container.v1.NetworkPolicy in project strimzi by strimzi.

the class ZookeeperCluster method generateNetworkPolicy.

/**
 * Generates the NetworkPolicies relevant for ZooKeeper nodes
 *
 * @param operatorNamespace                             Namespace where the Strimzi Cluster Operator runs. Null if not configured.
 * @param operatorNamespaceLabels                       Labels of the namespace where the Strimzi Cluster Operator runs. Null if not configured.
 *
 * @return The network policy.
 */
public NetworkPolicy generateNetworkPolicy(String operatorNamespace, Labels operatorNamespaceLabels) {
    List<NetworkPolicyIngressRule> rules = new ArrayList<>(2);
    NetworkPolicyPort clientsPort = new NetworkPolicyPort();
    clientsPort.setPort(new IntOrString(CLIENT_TLS_PORT));
    clientsPort.setProtocol("TCP");
    NetworkPolicyPort clusteringPort = new NetworkPolicyPort();
    clusteringPort.setPort(new IntOrString(CLUSTERING_PORT));
    clusteringPort.setProtocol("TCP");
    NetworkPolicyPort leaderElectionPort = new NetworkPolicyPort();
    leaderElectionPort.setPort(new IntOrString(LEADER_ELECTION_PORT));
    leaderElectionPort.setProtocol("TCP");
    NetworkPolicyPeer zookeeperClusterPeer = new NetworkPolicyPeer();
    LabelSelector labelSelector2 = new LabelSelector();
    Map<String, String> expressions2 = new HashMap<>(1);
    expressions2.put(Labels.STRIMZI_NAME_LABEL, KafkaResources.zookeeperStatefulSetName(cluster));
    labelSelector2.setMatchLabels(expressions2);
    zookeeperClusterPeer.setPodSelector(labelSelector2);
    // Zookeeper only ports - 2888 & 3888 which need to be accessed by the Zookeeper cluster members only
    NetworkPolicyIngressRule zookeeperClusteringIngressRule = new NetworkPolicyIngressRuleBuilder().withPorts(clusteringPort, leaderElectionPort).withFrom(zookeeperClusterPeer).build();
    rules.add(zookeeperClusteringIngressRule);
    // Clients port - needs to be access from outside the Zookeeper cluster as well
    NetworkPolicyIngressRule clientsIngressRule = new NetworkPolicyIngressRuleBuilder().withPorts(clientsPort).withFrom().build();
    NetworkPolicyPeer kafkaClusterPeer = new NetworkPolicyPeer();
    LabelSelector labelSelector = new LabelSelector();
    Map<String, String> expressions = new HashMap<>(1);
    expressions.put(Labels.STRIMZI_NAME_LABEL, KafkaResources.kafkaStatefulSetName(cluster));
    labelSelector.setMatchLabels(expressions);
    kafkaClusterPeer.setPodSelector(labelSelector);
    NetworkPolicyPeer entityOperatorPeer = new NetworkPolicyPeer();
    LabelSelector labelSelector3 = new LabelSelector();
    Map<String, String> expressions3 = new HashMap<>(1);
    expressions3.put(Labels.STRIMZI_NAME_LABEL, KafkaResources.entityOperatorDeploymentName(cluster));
    labelSelector3.setMatchLabels(expressions3);
    entityOperatorPeer.setPodSelector(labelSelector3);
    NetworkPolicyPeer clusterOperatorPeer = new NetworkPolicyPeer();
    LabelSelector labelSelector4 = new LabelSelector();
    Map<String, String> expressions4 = new HashMap<>(1);
    expressions4.put(Labels.STRIMZI_KIND_LABEL, "cluster-operator");
    labelSelector4.setMatchLabels(expressions4);
    clusterOperatorPeer.setPodSelector(labelSelector4);
    ModelUtils.setClusterOperatorNetworkPolicyNamespaceSelector(clusterOperatorPeer, namespace, operatorNamespace, operatorNamespaceLabels);
    // This is a hack because we have no guarantee that the CO namespace has some particular labels
    List<NetworkPolicyPeer> clientsPortPeers = new ArrayList<>(4);
    clientsPortPeers.add(kafkaClusterPeer);
    clientsPortPeers.add(zookeeperClusterPeer);
    clientsPortPeers.add(entityOperatorPeer);
    clientsPortPeers.add(clusterOperatorPeer);
    clientsIngressRule.setFrom(clientsPortPeers);
    rules.add(clientsIngressRule);
    if (isMetricsEnabled) {
        NetworkPolicyIngressRule metricsRule = new NetworkPolicyIngressRuleBuilder().addNewPort().withNewPort(METRICS_PORT).withProtocol("TCP").endPort().withFrom().build();
        rules.add(metricsRule);
    }
    if (isJmxEnabled) {
        NetworkPolicyPort jmxPort = new NetworkPolicyPort();
        jmxPort.setPort(new IntOrString(JMX_PORT));
        NetworkPolicyIngressRule jmxRule = new NetworkPolicyIngressRuleBuilder().withPorts(jmxPort).withFrom().build();
        rules.add(jmxRule);
    }
    NetworkPolicy networkPolicy = new NetworkPolicyBuilder().withNewMetadata().withName(KafkaResources.zookeeperNetworkPolicyName(cluster)).withNamespace(namespace).withLabels(labels.toMap()).withOwnerReferences(createOwnerReference()).endMetadata().withNewSpec().withPodSelector(labelSelector2).withIngress(rules).endSpec().build();
    LOGGER.traceCr(reconciliation, "Created network policy {}", networkPolicy);
    return networkPolicy;
}

Example 82 with NetworkPolicy

use of com.google.container.v1.NetworkPolicy in project strimzi by strimzi.

the class NetworkPolicyResource method allowNetworkPolicySettingsForEntityOperator.

public static void allowNetworkPolicySettingsForEntityOperator(ExtensionContext extensionContext, String clusterName, String namespace) {
    LabelSelector labelSelector = new LabelSelectorBuilder().addToMatchLabels(Constants.SCRAPER_LABEL_KEY, Constants.SCRAPER_LABEL_VALUE).build();
    String eoDeploymentName = KafkaResources.entityOperatorDeploymentName(clusterName);
    LOGGER.info("Apply NetworkPolicy access to {} from pods with LabelSelector {}", eoDeploymentName, labelSelector);
    NetworkPolicy networkPolicy = NetworkPolicyTemplates.networkPolicyBuilder(namespace, eoDeploymentName, labelSelector).editSpec().editFirstIngress().addNewPort().withNewPort(Constants.TOPIC_OPERATOR_METRICS_PORT).withProtocol("TCP").endPort().addNewPort().withNewPort(Constants.USER_OPERATOR_METRICS_PORT).withProtocol("TCP").endPort().endIngress().withNewPodSelector().addToMatchLabels("strimzi.io/cluster", clusterName).addToMatchLabels("strimzi.io/kind", Kafka.RESOURCE_KIND).addToMatchLabels("strimzi.io/name", eoDeploymentName).endPodSelector().endSpec().build();
    LOGGER.debug("Creating NetworkPolicy: {}", networkPolicy.toString());
    ResourceManager.getInstance().createResource(extensionContext, networkPolicy);
    LOGGER.info("Network policy for LabelSelector {} successfully created", labelSelector);
}

Example 83 with NetworkPolicy

use of com.google.container.v1.NetworkPolicy in project strimzi by strimzi.

the class NetworkPoliciesIsolatedST method testNPGenerationEnvironmentVariable.

@IsolatedTest("Specific cluster operator for test case")
void testNPGenerationEnvironmentVariable(ExtensionContext extensionContext) {
    assumeTrue(!Environment.isHelmInstall() && !Environment.isOlmInstall());
    final String clusterName = mapWithClusterNames.get(extensionContext.getDisplayName());
    EnvVar networkPolicyGenerationEnv = new EnvVarBuilder().withName("STRIMZI_NETWORK_POLICY_GENERATION").withValue("false").build();
    clusterOperator.unInstall();
    clusterOperator = new SetupClusterOperator.SetupClusterOperatorBuilder().withExtensionContext(extensionContext).withNamespace(clusterOperator.getDeploymentNamespace()).withExtraEnvVars(Collections.singletonList(networkPolicyGenerationEnv)).createInstallation().runInstallation();
    resourceManager.createResource(extensionContext, KafkaTemplates.kafkaWithCruiseControl(clusterName, 3, 3).build());
    resourceManager.createResource(extensionContext, KafkaConnectTemplates.kafkaConnect(clusterName, 1).build());
    List<NetworkPolicy> networkPolicyList = kubeClient().getClient().network().networkPolicies().list().getItems().stream().filter(item -> item.getMetadata().getLabels() != null && item.getMetadata().getLabels().containsKey("strimzi.io/name")).collect(Collectors.toList());
    assertThat("List of NetworkPolicies generated by Strimzi is not empty.", networkPolicyList, is(Collections.EMPTY_LIST));
}

Example 84 with NetworkPolicy

use of com.google.container.v1.NetworkPolicy in project strimzi by strimzi.

the class KafkaClusterTest method testNoNetworkPolicyPeers.

@ParallelTest
public void testNoNetworkPolicyPeers() {
    Kafka kafkaAssembly = new KafkaBuilder(ResourceUtils.createKafka(namespace, cluster, replicas, image, healthDelay, healthTimeout, jmxMetricsConfig, configuration, emptyMap())).editSpec().editKafka().withListeners(new GenericKafkaListenerBuilder().withName("plain").withPort(9092).withType(KafkaListenerType.INTERNAL).withTls(false).build(), new GenericKafkaListenerBuilder().withName("tls").withPort(9093).withType(KafkaListenerType.INTERNAL).withTls(true).build(), new GenericKafkaListenerBuilder().withName("external").withPort(9094).withType(KafkaListenerType.ROUTE).withTls(true).build()).endKafka().endSpec().build();
    KafkaCluster k = KafkaCluster.fromCrd(Reconciliation.DUMMY_RECONCILIATION, kafkaAssembly, VERSIONS);
    // Check Network Policies
    NetworkPolicy np = k.generateNetworkPolicy(null, null);
    List<NetworkPolicyIngressRule> rules = np.getSpec().getIngress().stream().filter(ing -> ing.getPorts().get(0).getPort().equals(new IntOrString(9092))).collect(Collectors.toList());
    assertThat(rules.size(), is(1));
    assertThat(rules.get(0).getFrom(), is(nullValue()));
    rules = np.getSpec().getIngress().stream().filter(ing -> ing.getPorts().get(0).getPort().equals(new IntOrString(9093))).collect(Collectors.toList());
    assertThat(rules.size(), is(1));
    assertThat(rules.get(0).getFrom(), is(nullValue()));
    rules = np.getSpec().getIngress().stream().filter(ing -> ing.getPorts().get(0).getPort().equals(new IntOrString(9094))).collect(Collectors.toList());
    assertThat(rules.size(), is(1));
    assertThat(rules.get(0).getFrom(), is(nullValue()));
}

Example 85 with NetworkPolicy

use of com.google.container.v1.NetworkPolicy in project strimzi by strimzi.

the class KafkaMirrorMaker2ClusterTest method testNetworkPolicyWithConnectorOperatorWithNamespaceLabels.

@ParallelTest
public void testNetworkPolicyWithConnectorOperatorWithNamespaceLabels() {
    KafkaMirrorMaker2 resource = new KafkaMirrorMaker2Builder(this.resourceWithMetrics).build();
    KafkaMirrorMaker2Cluster kc = KafkaMirrorMaker2Cluster.fromCrd(Reconciliation.DUMMY_RECONCILIATION, resource, VERSIONS);
    kc.generateMetricsAndLogConfigMap(new MetricsAndLogging(metricsCM, null));
    NetworkPolicy np = kc.generateNetworkPolicy(true, "operator-namespace", Labels.fromMap(Collections.singletonMap("nsLabelKey", "nsLabelValue")));
    assertThat(np.getMetadata().getName(), is(kc.getName()));
    assertThat(np.getSpec().getPodSelector().getMatchLabels(), is(kc.getSelectorLabels().toMap()));
    assertThat(np.getSpec().getIngress().size(), is(2));
    assertThat(np.getSpec().getIngress().get(0).getPorts().size(), is(1));
    assertThat(np.getSpec().getIngress().get(0).getPorts().get(0).getPort().getIntVal(), is(KafkaConnectCluster.REST_API_PORT));
    assertThat(np.getSpec().getIngress().get(0).getFrom().size(), is(2));
    assertThat(np.getSpec().getIngress().get(0).getFrom().get(0).getPodSelector().getMatchLabels(), is(kc.getSelectorLabels().toMap()));
    assertThat(np.getSpec().getIngress().get(0).getFrom().get(0).getNamespaceSelector(), is(nullValue()));
    assertThat(np.getSpec().getIngress().get(0).getFrom().get(1).getPodSelector().getMatchLabels(), is(singletonMap(Labels.STRIMZI_KIND_LABEL, "cluster-operator")));
    assertThat(np.getSpec().getIngress().get(0).getFrom().get(1).getNamespaceSelector().getMatchLabels(), is(Collections.singletonMap("nsLabelKey", "nsLabelValue")));
    assertThat(np.getSpec().getIngress().get(1).getPorts().size(), is(1));
    assertThat(np.getSpec().getIngress().get(1).getPorts().get(0).getPort().getIntVal(), is(KafkaConnectCluster.METRICS_PORT));
}