nokiav2/driver/src/main/java/org/onap/vfc/nfvo/driver/vnfm/svnfm/nokia/packagetransformer/OnapR2VnfdBuilder.java

   1 /*
   2  * Copyright 2016-2017, Nokia Corporation
   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
  17 package org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.packagetransformer;
  18
  19 import com.google.gson.JsonArray;
  20 import com.google.gson.JsonElement;
  21 import com.google.gson.JsonObject;
  22 import java.util.Map;
  23 import java.util.Set;
  24 import org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.onap.core.SelfRegistrationManager;
  25 import org.slf4j.Logger;
  26
  27 import static org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.util.CbamUtils.child;
  28 import static org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.util.CbamUtils.childElement;
  29 import static org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.vnfm.LifecycleManager.ETSI_CONFIG;
  30 import static org.slf4j.LoggerFactory.getLogger;
  31
  32 /**
  33  * Transforms a CBAM package into an ONAP package
  34  */
  35 public class OnapR2VnfdBuilder extends OnapAbstractVnfdBuilder {
  36     private static Logger logger = getLogger(OnapR2VnfdBuilder.class);
  37
  38     protected String buildHeader(JsonObject toplogyTemplate, Map<String, JsonElement> virtualLinks) {
  39         JsonObject substitution_mappings = child(toplogyTemplate, "substitution_mappings");
  40         String vnfContent = buildVnf(substitution_mappings, virtualLinks);
  41         return "tosca_definitions_version: tosca_simple_profile_yaml_1_1\n" +
  42                 "\n" +
  43                 "topology_template:\n" +
  44                 "  inputs:\n" +
  45                 "    " + ETSI_CONFIG + ":\n" +
  46                 "      type: string\n" +
  47                 "      description: The ETSI configuration\n" +
  48                 "  node_templates:\n" + vnfContent;
  49     }
  50
  51     protected String buildVdu(String name, JsonObject vnf, JsonObject vdu, Set<Map.Entry<String, JsonElement>> nodes) {
  52         String memorySize = "";
  53         String cpuCount = "";
  54         StringBuilder body = new StringBuilder();
  55         JsonArray vduRequirements = childElement(vdu.getAsJsonObject(), REQUIREMENTS).getAsJsonArray();
  56         for (int i = 0; i < vduRequirements.size(); i++) {
  57             JsonObject requirement = vduRequirements.get(i).getAsJsonObject();
  58             Map.Entry<String, JsonElement> next = requirement.entrySet().iterator().next();
  59             String s = next.getKey();
  60             if ("virtual_compute".equals(s)) {
  61                 JsonObject virtualCompute = get(next.getValue().getAsString(), nodes).getAsJsonObject();
  62                 cpuCount = childElement(child(child(virtualCompute, PROPERTIES), "virtual_cpu"), "num_virtual_cpu").getAsString();
  63                 memorySize = childElement(child(child(virtualCompute, PROPERTIES), "virtual_memory"), "virtual_mem_size").getAsString();
  64             } else if ("virtual_storage".equals(s)) {
  65                 String item = indent(
  66                         "- virtual_storage:\n" +
  67                                 "    capability: tosca.capabilities.nfv.VirtualStorage\n" +
  68                                 "    node: " + next.getValue().getAsString() + "\n", 4);
  69                 body.append(item);
  70             }
  71             next.getValue();
  72         }
  73         JsonObject flavourProperties = child(child(child(vnf, "capabilities"), "deployment_flavour"), "properties");
  74         JsonObject vduSizes = child(child(flavourProperties, "vdu_profile"), name);
  75         String header = indent(name + ":\n" +
  76                 "  type: tosca.nodes.nfv.Vdu.Compute\n" +
  77                 "  properties:\n" +
  78                 "    name: " + name + "\n" +
  79                 "    description: " + childElement(child(vdu, PROPERTIES), "description").getAsString() + "\n" +
  80                 "    configurable_properties:\n" +
  81                 "    vdu_profile:\n" +
  82                 "      min_number_of_instances: " + childElement(vduSizes, "min_number_of_instances").getAsString() + "\n" +
  83                 "      max_number_of_instances: " + childElement(vduSizes, "max_number_of_instances").getAsString() + "\n" +
  84                 "  capabilities:\n" +
  85                 "    virtual_compute:\n" +
  86                 indent(
  87                         "properties:\n" +
  88                                 "  virtual_memory:\n" +
  89                                 "    virtual_mem_size: " + memorySize + "\n" +
  90                                 "  virtual_cpu:\n" +
  91                                 "    num_virtual_cpu: " + cpuCount + "\n", 3) +
  92                 "  " + REQUIREMENTS + ":\n", 2);
  93         return header + body.toString();
  94     }
  95
  96     private String buildVnf(JsonObject vnf, Map<String, JsonElement> virtualLinks) {
  97         JsonObject vnfProperties = child(vnf, PROPERTIES);
  98         JsonObject flavourProperties = child(child(child(vnf, "capabilities"), "deployment_flavour"), "properties");
  99         StringBuilder vlContent = new StringBuilder();
 100         for (Map.Entry<String, JsonElement> virtualLink : virtualLinks.entrySet()) {
 101             vlContent.append(indent("- virtual_link:\n" +
 102                     "    capability: tosca.capabilities.nfv.VirtualLinkable\n" +
 103                     "    node: " + virtualLink.getKey() + "\n", 4));
 104         }
 105         return indent("VNF:\n" +
 106                 "  type: tosca.nodes.nfv.VNF\n" +
 107                 "  " + PROPERTIES + ":\n" +
 108                 "    descriptor_id: " + childElement(vnfProperties, "descriptor_id").getAsString() + "\n" +
 109                 "    descriptor_version: " + childElement(vnfProperties, "descriptor_version").getAsString() + "\n" +
 110                 "    provider: " + childElement(vnfProperties, "provider").getAsString() + "\n" +
 111                 "    product_name: " + childElement(vnfProperties, "product_name").getAsString() + "\n" +
 112                 "    software_version: " + childElement(vnfProperties, "software_version").getAsString() + "\n" +
 113                 "    product_info_name: " + childElement(vnfProperties, "product_info_name").getAsString() + "\n" +
 114                 (vnfProperties.has("product_info_description") ?
 115                         "    product_info_description: " + childElement(vnfProperties, "product_info_description").getAsString() + "\n" : "") +
 116                 "    vnfm_info: [ " + SelfRegistrationManager.SERVICE_NAME + " ]\n" +
 117                 "    flavour_id: " + childElement(flavourProperties, "flavour_id").getAsString() + "\n" +
 118                 "    flavour_description: " + childElement(flavourProperties, "description").getAsString() + "\n", 2) +
 119                 "      " + REQUIREMENTS + ":\n" +
 120                 vlContent.toString();
 121     }
 122
 123     protected String buildIcp(String name, JsonObject icp) {
 124         if (icp.has(REQUIREMENTS)) {
 125             JsonArray requirements = icp.get(REQUIREMENTS).getAsJsonArray();
 126             String vdu = getRequirement(requirements, "virtual_binding");
 127             String vl = getRequirement(requirements, "virtual_link");
 128             if (vdu == null) {
 129                 logger.warn("The {} internal connection point does not have a VDU", name);
 130             } else if (vl == null) {
 131                 logger.warn("The {} internal connection point does not have a VL", name);
 132             } else {
 133                 JsonObject properties = child(icp, PROPERTIES);
 134                 return indent(name + ":\n" +
 135                         "  type: tosca.nodes.nfv.VduCp\n" +
 136                         "  " + PROPERTIES + ":\n" +
 137                         "    layer_protocol: [ " + childElement(properties, "layer_protocol").getAsString() + " ]\n" +
 138                         (properties.has(DESCRIPTION) ?
 139                                 "    description: " + childElement(properties, DESCRIPTION).getAsString() + "\n" : "") +
 140                         "    protocol_data: []\n" +
 141                         "    trunk_mode: false\n" +
 142                         "  requirements:\n" +
 143                         "    - virtual_binding: " + vdu + "\n" +
 144                         "    - virtual_link: " + vl + "\n", 2);
 145             }
 146         } else {
 147             logger.warn("The {} internal connection point does not have a requirements section", name);
 148         }
 149         return "";
 150     }
 151
 152     protected String buildVduCpd(String name, String vdu, JsonObject properties) {
 153         return indent(name + ":\n" +
 154                 "  type: tosca.nodes.nfv.VduCp\n" +
 155                 "  " + PROPERTIES + ":\n" +
 156                 "    layer_protocol: [ " + childElement(properties, "layer_protocol").getAsString() + " ]\n" +
 157                 "    protocol_data: [ ]\n" +
 158                 "    trunk_mode: false\n" +
 159                 (properties.has(DESCRIPTION) ?
 160                         "    description: " + childElement(properties, DESCRIPTION).getAsString() + "\n" : "") +
 161                 "  requirements:\n" +
 162                 "    - virtual_binding: " + vdu + "\n", 2);
 163     }
 164
 165     protected String buildVolume(String nodeName, JsonObject volume) {
 166         return indent(nodeName + ":\n" +
 167                 "  type: tosca.nodes.nfv.Vdu.VirtualStorage\n" +
 168                 "  properties:\n" +
 169                 "    type_of_storage: volume\n" +
 170                 "    size_of_storage: " + childElement(child(volume, PROPERTIES), "size_of_storage").getAsString() + "\n", 2);
 171     }
 172
 173     protected String buildVl(JsonObject vlProperties, String name) {
 174         JsonObject connectivityType = child(vlProperties, "connectivity_type");
 175         return indent(name + ":\n" +
 176                 "  type: tosca.nodes.nfv.VnfVirtualLink\n" +
 177                 "  properties:\n" +
 178                 "    connectivity_type:\n" +
 179                 "      layer_protocol: [ " + childElement(connectivityType, "layer_protocol").getAsString() + " ]\n" +
 180                 (connectivityType.has("flow_pattern") ? "      flow_pattern: " + childElement(connectivityType, "flow_pattern").getAsString() + "\n" : "") +
 181                 "    vl_profile:\n" +
 182                 "      max_bit_rate_requirements:\n" +
 183                 "        root: " + Integer.MAX_VALUE + "\n" + //FIXME GAP IN CBAM TEMPLATE
 184                 "        leaf: " + Integer.MAX_VALUE + "\n" + //FIXME GAP IN CBAM TEMPLATE
 185                 "      min_bit_rate_requirements:\n" +
 186                 "        root: 0\n" + //FIXME GAP IN CBAM TEMPLATE
 187                 "        leaf: 0\n", 2);  //FIXME GAP IN CBAM TEMPLATE
 188     }
 189 }