diff options
Diffstat (limited to 'nokiav2/driver/src/main/java/org/onap/vfc/nfvo/driver/vnfm/svnfm/nokia/packagetransformer/OnapR2VnfdBuilder.java')
| -rw-r--r-- | nokiav2/driver/src/main/java/org/onap/vfc/nfvo/driver/vnfm/svnfm/nokia/packagetransformer/OnapR2VnfdBuilder.java | 276 |
1 files changed, 276 insertions, 0 deletions
diff --git a/nokiav2/driver/src/main/java/org/onap/vfc/nfvo/driver/vnfm/svnfm/nokia/packagetransformer/OnapR2VnfdBuilder.java b/nokiav2/driver/src/main/java/org/onap/vfc/nfvo/driver/vnfm/svnfm/nokia/packagetransformer/OnapR2VnfdBuilder.java new file mode 100644 index 00000000..099f641c --- /dev/null +++ b/nokiav2/driver/src/main/java/org/onap/vfc/nfvo/driver/vnfm/svnfm/nokia/packagetransformer/OnapR2VnfdBuilder.java @@ -0,0 +1,276 @@ +/* + * Copyright 2016-2017, Nokia Corporation + * + * 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.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.packagetransformer; + +import com.google.gson.Gson; +import com.google.gson.JsonArray; +import com.google.gson.JsonElement; +import com.google.gson.JsonObject; +import java.util.HashMap; +import java.util.Map; +import java.util.NoSuchElementException; +import java.util.Set; +import org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.onap.core.SelfRegistrationManager; +import org.slf4j.Logger; +import org.yaml.snakeyaml.Yaml; + +import static org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.packagetransformer.OnapVnfdBuilder.getRequirement; +import static org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.packagetransformer.OnapVnfdBuilder.indent; +import static org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.util.CbamUtils.child; +import static org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.util.CbamUtils.childElement; +import static org.slf4j.LoggerFactory.getLogger; + +/** + * Transforms a CBAM package into an ONAP package + */ +public class OnapR2VnfdBuilder { + public static final String DESCRIPTION = "description"; + public static final String PROPERTIES = "properties"; + public static final String REQUIREMENTS = "requirements"; + private static Logger logger = getLogger(OnapR2VnfdBuilder.class); + + private static String trimUnit(String data) { + //FIXME the unit should not be trimmed VF-C bug + return data; + //data.trim().replaceAll("[^0-9]", ""); + } + + /** + * @param cbamVnfd the CBAM VNFD + * @return the converted ONAP VNFD + */ + public String toOnapVnfd(String cbamVnfd) { + JsonObject root = new Gson().toJsonTree(new Yaml().load(cbamVnfd)).getAsJsonObject(); + JsonObject topologyTemplate = child(root, "topology_template"); + JsonObject substitution_mappings = child(topologyTemplate, "substitution_mappings"); + Map<String, JsonElement> virtualLinks = new HashMap<>(); + if (topologyTemplate.has("node_templates")) { + Set<Map.Entry<String, JsonElement>> nodeTemplates = child(topologyTemplate, "node_templates").entrySet(); + + StringBuilder body = new StringBuilder(); + for (Map.Entry<String, JsonElement> node : nodeTemplates) { + String type = childElement(node.getValue().getAsJsonObject(), "type").getAsString(); + if ("tosca.nodes.nfv.VDU".equals(type)) { + body.append(buildVdu(node.getKey(), substitution_mappings, node.getValue().getAsJsonObject(), nodeTemplates)); + } else if ("tosca.nodes.nfv.VirtualStorage".equals(type)) { + body.append(buildVolume(node.getKey(), node.getValue().getAsJsonObject())); + } else if ("tosca.nodes.nfv.VL".equals(type)) { + virtualLinks.put(node.getKey(), node.getValue()); + body.append(buildVl(node.getValue().getAsJsonObject().get(PROPERTIES).getAsJsonObject(), node.getKey())); + } else if ("tosca.nodes.nfv.ICP".equals(type)) { + body.append(buildIcp(node.getKey(), node.getValue().getAsJsonObject())); + } else if ("tosca.nodes.nfv.ECP".equals(type)) { + body.append(buildEcp(node.getKey(), node.getValue(), nodeTemplates)); + } else { + logger.warn("The {} type is not converted", type); + } + } + return buildHeader(topologyTemplate, virtualLinks) + body.toString(); + } + return buildHeader(topologyTemplate, virtualLinks); + } + + private String buildHeader(JsonObject toplogyTemplate, Map<String, JsonElement> virtualLinks) { + JsonObject substitution_mappings = child(toplogyTemplate, "substitution_mappings"); + String vnfContent = buildVnf(substitution_mappings, virtualLinks); + return "tosca_definitions_version: tosca_simple_profile_yaml_1_1\n" + + "\n" + + "topology_template:\n" + + " inputs:\n" + + " etsi_config:\n" + + " type: string\n" + + " description: The ETSI configuration\n" + + " node_templates:\n" + vnfContent; + } + + private JsonElement get(String name, Set<Map.Entry<String, JsonElement>> nodes) { + for (Map.Entry<String, JsonElement> node : nodes) { + if (name.equals(node.getKey())) { + return node.getValue(); + } + } + throw new NoSuchElementException("The VNFD does not have a node called " + name + " but required by an other node"); + } + + private String buildVdu(String name, JsonObject vnf, JsonObject vdu, Set<Map.Entry<String, JsonElement>> nodes) { + String memorySize = ""; + String cpuCount = ""; + StringBuilder body = new StringBuilder(); + JsonArray vduRequirements = childElement(vdu.getAsJsonObject(), REQUIREMENTS).getAsJsonArray(); + for (int i = 0; i < vduRequirements.size(); i++) { + JsonObject requirement = vduRequirements.get(i).getAsJsonObject(); + Map.Entry<String, JsonElement> next = requirement.entrySet().iterator().next(); + String s = next.getKey(); + if ("virtual_compute".equals(s)) { + JsonObject virtualCompute = get(next.getValue().getAsString(), nodes).getAsJsonObject(); + cpuCount = childElement(child(child(virtualCompute, PROPERTIES), "virtual_cpu"), "num_virtual_cpu").getAsString(); + memorySize = trimUnit(childElement(child(child(virtualCompute, PROPERTIES), "virtual_memory"), "virtual_mem_size").getAsString()); + } else if ("virtual_storage".equals(s)) { + String item = indent( + "- virtual_storage:\n" + + " capability: tosca.capabilities.nfv.VirtualStorage\n" + + " node: " + next.getValue().getAsString() + "\n", 4); + body.append(item); + } + next.getValue(); + } + JsonObject flavourProperties = child(child(child(vnf, "capabilities"), "deployment_flavour"), "properties"); + JsonObject vduSizes = child(child(flavourProperties, "vdu_profile"), name); + String header = indent(name + ":\n" + + " type: tosca.nodes.nfv.Vdu.Compute\n" + + " properties:\n" + + " name: " + name + "\n" + + " description: " + childElement(child(vdu, PROPERTIES), "description").getAsString() + "\n" + + " configurable_properties:\n" + + " vdu_profile:\n" + + " min_number_of_instances: " + childElement(vduSizes, "min_number_of_instances").getAsString() + "\n" + + " max_number_of_instances: " + childElement(vduSizes, "max_number_of_instances").getAsString() + "\n" + + " capabilities:\n" + + " virtual_compute:\n" + + indent( + "properties:\n" + + " virtual_memory:\n" + + " virtual_mem_size: " + trimUnit(memorySize) + "\n" + + " virtual_cpu:\n" + + " num_virtual_cpu: " + cpuCount + "\n", 3) + + " " + REQUIREMENTS + ":\n", 2); + return header + body.toString(); + } + + private String buildEcp(String name, JsonElement ecp, Set<Map.Entry<String, JsonElement>> nodes) { + if (ecp.getAsJsonObject().has(REQUIREMENTS)) { + String icpName = getRequirement(ecp.getAsJsonObject().get(REQUIREMENTS).getAsJsonArray(), "internal_connection_point"); + if (icpName != null) { + return buildEcpInternal(name, icpName, nodes); + } else { + logger.warn("The {} ecp does not have an internal connection point", name); + } + } else { + logger.warn("The {} ecp does not have an requirements section", name); + } + return ""; + } + + private String buildVnf(JsonObject vnf, Map<String, JsonElement> virtualLinks) { + JsonObject vnfProperties = child(vnf, PROPERTIES); + JsonObject flavourProperties = child(child(child(vnf, "capabilities"), "deployment_flavour"), "properties"); + StringBuilder vlContent = new StringBuilder(); + for (Map.Entry<String, JsonElement> virtualLink : virtualLinks.entrySet()) { + vlContent.append(indent("- virtual_link:\n" + + " capability: tosca.capabilities.nfv.VirtualLinkable\n" + + " node: " + virtualLink.getKey() + "\n", 4)); + } + return indent("VNF:\n" + + " type: tosca.nodes.nfv.VNF\n" + + " " + PROPERTIES + ":\n" + + " descriptor_id: " + childElement(vnfProperties, "descriptor_id").getAsString() + "\n" + + " descriptor_version: " + childElement(vnfProperties, "descriptor_version").getAsString() + "\n" + + " provider: " + childElement(vnfProperties, "provider").getAsString() + "\n" + + " product_name: " + childElement(vnfProperties, "product_name").getAsString() + "\n" + + " software_version: " + childElement(vnfProperties, "software_version").getAsString() + "\n" + + " product_info_name: " + childElement(vnfProperties, "product_info_name").getAsString() + "\n" + + (vnfProperties.has("product_info_description") ? + " product_info_description: " + childElement(vnfProperties, "product_info_description").getAsString() + "\n" : "") + + " vnfm_info: [ " + SelfRegistrationManager.SERVICE_NAME + " ]\n" + + " flavour_id: " + childElement(flavourProperties, "flavour_id").getAsString() + "\n" + + " flavour_description: " + childElement(flavourProperties, "description").getAsString() + "\n", 2) + + " " + REQUIREMENTS + ":\n" + + vlContent.toString(); + } + + private String buildEcpInternal(String ecpName, String icpName, Set<Map.Entry<String, JsonElement>> nodes) { + JsonObject icpNode = get(icpName, nodes).getAsJsonObject(); + if (icpNode.has(REQUIREMENTS)) { + String vdu = getRequirement(icpNode.getAsJsonObject().get(REQUIREMENTS).getAsJsonArray(), "virtual_binding"); + //internal connection point is bound to VDU + if (vdu != null) { + return buildVduCpd(ecpName, vdu, child(icpNode, PROPERTIES)); + } else { + logger.warn("The {} internal connection point of the {} ecp does not have a VDU", icpName, ecpName); + } + } else { + logger.warn("The {} internal connection point of the {} ecp does not have a requirements section", icpName, ecpName); + } + return ""; + } + + private String buildIcp(String name, JsonObject icp) { + if (icp.has(REQUIREMENTS)) { + JsonArray requirements = icp.get(REQUIREMENTS).getAsJsonArray(); + String vdu = getRequirement(requirements, "virtual_binding"); + String vl = getRequirement(requirements, "virtual_link"); + if (vdu == null) { + logger.warn("The {} internal connection point does not have a VDU", name); + } else if (vl == null) { + logger.warn("The {} internal connection point does not have a VL", name); + } else { + JsonObject properties = child(icp, PROPERTIES); + return indent(name + ":\n" + + " type: tosca.nodes.nfv.VduCp\n" + + " " + PROPERTIES + ":\n" + + " layer_protocol: [ " + childElement(properties, "layer_protocol").getAsString() + " ]\n" + + (properties.has(DESCRIPTION) ? + " description: " + childElement(properties, DESCRIPTION).getAsString() + "\n" : "") + + " protocol_data: []\n" + + " trunk_mode: false\n" + + " requirements:\n" + + " - virtual_binding: " + vdu + "\n" + + " - virtual_link: " + vl + "\n", 2); + } + } else { + logger.warn("The {} internal connection point does not have a requirements section", name); + } + return ""; + } + + private String buildVduCpd(String name, String vdu, JsonObject properties) { + return indent(name + ":\n" + + " type: tosca.nodes.nfv.VduCp\n" + + " " + PROPERTIES + ":\n" + + " layer_protocol: [ " + childElement(properties, "layer_protocol").getAsString() + " ]\n" + + " protocol_data: [ ]\n" + + " trunk_mode: false\n" + + (properties.has(DESCRIPTION) ? + " description: " + childElement(properties, DESCRIPTION).getAsString() + "\n" : "") + + " requirements:\n" + + " - virtual_binding: " + vdu + "\n", 2); + } + + private String buildVolume(String nodeName, JsonObject volume) { + return indent(nodeName + ":\n" + + " type: tosca.nodes.nfv.Vdu.VirtualStorage\n" + + " properties:\n" + + " type_of_storage: volume\n" + + " size_of_storage: " + trimUnit(childElement(child(volume, PROPERTIES), "size_of_storage").getAsString()) + "\n", 2); + } + + private String buildVl(JsonObject vlProperties, String name) { + return indent(name + ":\n" + + " type: tosca.nodes.nfv.VnfVirtualLink\n" + + " properties:\n" + + " connectivity_type:\n" + + " layer_protocol: [ " + childElement(child(vlProperties, "connectivity_type"), "layer_protocol").getAsString() + " ]\n" + + " flow_pattern: " + childElement(child(vlProperties, "connectivity_type"), "flow_pattern").getAsString() + "\n" + + " vl_profile:\n" + + " max_bit_rate_requirements:\n" + + " root: " + Integer.MAX_VALUE + "\n" + //FIXME GAP IN CBAM TEMPLATE + " leaf: " + Integer.MAX_VALUE + "\n" + //FIXME GAP IN CBAM TEMPLATE + " min_bit_rate_requirements:\n" + + " root: 0\n" + //FIXME GAP IN CBAM TEMPLATE + " leaf: 0\n", 2); //FIXME GAP IN CBAM TEMPLATE + } +} |