2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2019 Nordix Foundation.
4 * ================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 * SPDX-License-Identifier: Apache-2.0
18 * ============LICENSE_END=========================================================
21 package org.onap.policy.distribution.reception.decoding.hpa;
24 import java.util.ArrayList;
25 import java.util.Collection;
26 import java.util.LinkedHashMap;
27 import java.util.List;
29 import org.onap.policy.common.parameters.ParameterService;
30 import org.onap.policy.distribution.model.Csar;
31 import org.onap.policy.distribution.model.PolicyInput;
32 import org.onap.policy.distribution.reception.decoding.PolicyDecoder;
33 import org.onap.policy.distribution.reception.decoding.PolicyDecodingException;
34 import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicy;
35 import org.onap.policy.models.tosca.authorative.concepts.ToscaServiceTemplate;
36 import org.onap.policy.models.tosca.authorative.concepts.ToscaTopologyTemplate;
37 import org.onap.sdc.tosca.parser.api.ISdcCsarHelper;
38 import org.onap.sdc.tosca.parser.impl.SdcToscaParserFactory;
39 import org.onap.sdc.toscaparser.api.NodeTemplate;
40 import org.slf4j.Logger;
41 import org.slf4j.LoggerFactory;
44 * Decodes PDP-X policies from a CSAR file and creates ToscaServiceTemplate for Policy Lifecycle API's.
46 public class PolicyDecoderCsarHpa implements PolicyDecoder<Csar, ToscaServiceTemplate> {
48 private static final Logger LOGGER = LoggerFactory.getLogger(PolicyDecoderCsarHpa.class);
49 private PolicyDecoderCsarHpaParameters decoderParameters;
51 public static final String TOSCA_POLICY_SCOPE = "scope";
52 public static final String TOSCA_POLICY_SERVICES = "services";
53 public static final String TOSCA_POLICY_RESOURCES = "resources";
54 public static final String TOSCA_POLICY_IDENTITY = "identity";
55 public static final String TOSCA_POLICY_FLAVORFEATURES = "flavorfeatures";
57 public static final String TOSCA_POLICY_HPA_OOF = "Optimization";
60 public Collection<ToscaServiceTemplate> decode(final Csar csar) throws PolicyDecodingException {
61 final List<ToscaServiceTemplate> entities = new ArrayList<>();
62 final ISdcCsarHelper sdcCsarHelper = parseCsar(csar);
63 final List<NodeTemplate> lnodeVf = sdcCsarHelper.getServiceVfList();
64 LOGGER.debug("the size of Vf = {}", lnodeVf.size());
65 final ExtractFromNode extractFromNode = new ExtractFromNode();
66 extractFromNode.setSdcCsarHelper(sdcCsarHelper);
67 final String serviceName = sdcCsarHelper.getServiceMetadata().getValue("name");
68 LOGGER.debug("the name of the service = {}", serviceName);
69 for (final NodeTemplate node : lnodeVf) {
70 final Content content = extractFromNode.extractInfo(node);
71 if (content != null) {
72 final ToscaServiceTemplate entity = new ToscaServiceTemplate();
73 Map<String, Object> props = new LinkedHashMap<>();
74 props.put(TOSCA_POLICY_SCOPE, content.getScope());
75 props.put(TOSCA_POLICY_SERVICES, content.getServices());
76 props.put(TOSCA_POLICY_RESOURCES, content.getResources());
77 props.put(TOSCA_POLICY_IDENTITY, content.getIdentity());
78 props.put(TOSCA_POLICY_FLAVORFEATURES, content.getFlavorFeatures());
79 ToscaPolicy policy = new ToscaPolicy();
80 policy.setProperties(props);
81 Map<String, ToscaPolicy> map = new LinkedHashMap<>();
82 String type = content.getPolicyType();
83 map.put(type, policy);
84 List<Map<String, ToscaPolicy>> policies = new ArrayList<>();
86 ToscaTopologyTemplate topologyTemplate = new ToscaTopologyTemplate();
87 topologyTemplate.setPolicies(policies);
88 entity.setToscaTopologyTemplate(topologyTemplate);
96 public boolean canHandle(final PolicyInput policyInput) {
97 return Csar.class.isAssignableFrom(policyInput.getClass());
101 * Parse the input Csar using SDC TOSCA parser.
103 * @param csar represents the service TOSCA Csar
104 * @return the object to represents the content of input csar
105 * @throws PolicyDecodingException if parse fails
107 public ISdcCsarHelper parseCsar(final Csar csar) throws PolicyDecodingException {
108 ISdcCsarHelper sdcCsarHelper;
110 final SdcToscaParserFactory factory = SdcToscaParserFactory.getInstance();
111 LOGGER.debug("Csar File Path = {}", csar.getCsarPath());
112 final File csarFile = new File(csar.getCsarPath());
113 sdcCsarHelper = factory.getSdcCsarHelper(csarFile.getAbsolutePath());
114 } catch (final Exception exp) {
115 throw new PolicyDecodingException( "Failed passing the csar file", exp);
117 return sdcCsarHelper;
121 public void configure(final String parameterGroupName) {
122 decoderParameters = ParameterService.get(parameterGroupName);