| /* |
| * Copyright 2019-present Open Networking Foundation |
| * |
| * 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.k8snetworking.cli; |
| |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.fasterxml.jackson.databind.node.ArrayNode; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.Lists; |
| import io.fabric8.kubernetes.api.model.networking.NetworkPolicy; |
| import io.fabric8.kubernetes.client.utils.Serialization; |
| import org.apache.commons.lang.StringUtils; |
| import org.apache.karaf.shell.api.action.Command; |
| import org.apache.karaf.shell.api.action.lifecycle.Service; |
| import org.onosproject.cli.AbstractShellCommand; |
| import org.onosproject.k8snetworking.api.K8sNetworkPolicyService; |
| |
| import java.io.IOException; |
| import java.util.Comparator; |
| import java.util.List; |
| |
| import static org.onosproject.k8snetworking.api.Constants.CLI_MARGIN_LENGTH; |
| import static org.onosproject.k8snetworking.api.Constants.CLI_NAMESPACE_LENGTH; |
| import static org.onosproject.k8snetworking.api.Constants.CLI_NAME_LENGTH; |
| import static org.onosproject.k8snetworking.api.Constants.CLI_TYPES_LENGTH; |
| import static org.onosproject.k8snetworking.util.K8sNetworkingUtil.genFormatString; |
| import static org.onosproject.k8snetworking.util.K8sNetworkingUtil.prettyJson; |
| |
| /** |
| * Lists kubernetes network policies. |
| */ |
| @Service |
| @Command(scope = "onos", name = "k8s-network-policies", |
| description = "Lists all kubernetes network policies") |
| public class K8sNetworkPolicyListCommand extends AbstractShellCommand { |
| |
| @Override |
| protected void doExecute() { |
| K8sNetworkPolicyService service = get(K8sNetworkPolicyService.class); |
| List<NetworkPolicy> policies = Lists.newArrayList(service.networkPolicies()); |
| policies.sort(Comparator.comparing(p -> p.getMetadata().getName())); |
| |
| String format = genFormatString(ImmutableList.of(CLI_NAME_LENGTH, |
| CLI_NAMESPACE_LENGTH, CLI_TYPES_LENGTH)); |
| |
| if (outputJson()) { |
| print("%s", json(policies)); |
| } else { |
| print(format, "Name", "Namespace", "Types"); |
| |
| for (NetworkPolicy policy : policies) { |
| |
| print(format, |
| StringUtils.substring(policy.getMetadata().getName(), |
| 0, CLI_NAME_LENGTH - CLI_MARGIN_LENGTH), |
| StringUtils.substring(policy.getMetadata().getNamespace(), |
| 0, CLI_NAMESPACE_LENGTH - CLI_MARGIN_LENGTH), |
| policy.getSpec().getPolicyTypes().isEmpty() ? |
| "" : policy.getSpec().getPolicyTypes()); |
| } |
| } |
| } |
| |
| private String json(List<NetworkPolicy> policies) { |
| ObjectMapper mapper = new ObjectMapper(); |
| ArrayNode result = mapper.createArrayNode(); |
| |
| try { |
| for (NetworkPolicy policy : policies) { |
| ObjectNode json = (ObjectNode) new ObjectMapper() |
| .readTree(Serialization.asJson(policy)); |
| result.add(json); |
| } |
| return prettyJson(mapper, result.toString()); |
| } catch (IOException e) { |
| log.warn("Failed to parse Network Policy's JSON string."); |
| return ""; |
| } |
| } |
| } |