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/*
* 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.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import java.util.Map;
import java.util.Set;
import org.slf4j.Logger;
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.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.vnfm.LifecycleManager.ETSI_CONFIG;
import static org.slf4j.LoggerFactory.getLogger;
/**
* Transforms a CBAM package into an ONAP package
*/
public class OnapR1VnfdBuilder extends OnapAbstractVnfdBuilder {
private static Logger logger = getLogger(OnapR1VnfdBuilder.class);
private static String trimUnit(String data) {
//The R1 templates in Amsterdam release can not handle the scalar-unit types in Tosca
//templates, so that the MB, GB, ... units need to be removed even though the created
//Tosca template will be invalid
return data.trim().replaceAll("[^0-9]", "");
}
@Override
protected String buildHeader(JsonObject toplogyTemplate, Map<String, JsonElement> virtualLinks) {
JsonObject properties = child(child(toplogyTemplate, "substitution_mappings"), PROPERTIES);
String descriptorVersion = properties.get("descriptor_version").getAsString();
return "tosca_definitions_version: tosca_simple_yaml_1_0\n" +
"\n" +
"metadata:\n" +
" vendor: Nokia\n" +
" csarVersion: " + descriptorVersion + "\n" +
" csarProvider: " + properties.get("provider").getAsString() + "\n" +
" id: Simple\n" +
" version: " + properties.get("software_version").getAsString() + "\n" +
" csarType: NFAR\n" +
" name: " + properties.get("product_name").getAsString() + "\n" +
" vnfdVersion: " + descriptorVersion + "\n\n" +
"topology_template:\n" +
" inputs:\n" +
" " + ETSI_CONFIG + ":\n" +
" type: string\n" +
" description: The ETSI configuration\n" +
" node_templates:\n";
}
@Override
protected 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();
}
String header = indent(name + ":\n" +
" type: tosca.nodes.nfv.VDU.Compute\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();
}
protected 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.VduCpd\n" +
" " + PROPERTIES + ":\n" +
" layer_protocol: " + childElement(properties, "layer_protocol").getAsString() + "\n" +
" role: leaf\n" + (properties.has(DESCRIPTION) ?
" description: " + childElement(properties, DESCRIPTION).getAsString() + "\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 "";
}
protected String buildVduCpd(String name, String vdu, JsonObject properties) {
return indent(name + ":\n" +
" type: tosca.nodes.nfv.VduCpd\n" +
" " + PROPERTIES + ":\n" +
" layer_protocol: " + childElement(properties, "layer_protocol").getAsString() + "\n" +
" role: leaf\n" +
(properties.has(DESCRIPTION) ?
" description: " + childElement(properties, DESCRIPTION).getAsString() + "\n" : "") +
" requirements:\n" +
" - virtual_binding: " + vdu + "\n", 2);
}
protected String buildVolume(String nodeName, JsonObject volume) {
return indent(nodeName + ":\n" +
" type: tosca.nodes.nfv.VDU.VirtualStorage\n" +
" properties:\n" +
" id: " + nodeName + "\n" +
" type_of_storage: volume\n" +
" size_of_storage: " + trimUnit(childElement(child(volume, PROPERTIES), "size_of_storage").getAsString()) + "\n", 2);
}
@Override
protected String buildVl(JsonObject vlProperties, String name) {
return indent(name + ":\n" +
" type: tosca.nodes.nfv.VnfVirtualLinkDesc\n" +
" properties:\n" +
" vl_flavours:\n" +
" flavours:\n" +
" flavourId: notUsed\n", 2);
}
}
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