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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2018 Ericsson. All rights reserved.
* ================================================================================
* 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.policy.distribution.forwarding.k8s;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.reflect.TypeToken;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import org.apache.http.HttpEntity;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.FileEntity;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
import org.onap.policy.common.logging.flexlogger.FlexLogger;
import org.onap.policy.common.logging.flexlogger.Logger;
import org.onap.policy.common.parameters.ParameterService;
import org.onap.policy.distribution.forwarding.ArtifactForwarder;
import org.onap.policy.distribution.model.CloudArtifact;
import org.onap.policy.distribution.model.PolicyInput;
import org.onap.policy.distribution.model.VfModuleModel;
import org.onap.sdc.api.notification.IArtifactInfo;
/**
* Forwards policies to the XACML PDP.
*/
public class K8sArtifactForwarder implements ArtifactForwarder {
private static final Logger LOGGER = FlexLogger.getLogger(K8sArtifactForwarder.class);
private static final String BASE_PATH = "http://localhost:9015/v1/rb/definition";
private static final String CLOUD_TECHNOLOGY_SPECIFIC_ARTIFACT = "CLOUD_TECHNOLOGY_SPECIFIC_ARTIFACT";
private Map<String, IArtifactInfo> artifactMap;
private K8sArtifactForwarderParameterGroup configurationParameters = null;
@Override
public void forward(PolicyInput policyInput) {
if (policyInput instanceof CloudArtifact) {
System.out.println("get a CloudArtifact !");
CloudArtifact cloudArtifact = (CloudArtifact) policyInput;
artifactMap = cloudArtifact.getArtifactTypeMap();
System.out.println("the artifactMap = " + artifactMap);
ArrayList<VfModuleModel> vfModuleModels = cloudArtifact.getVfModulePayload();
System.out.println("the size of vfModule = " + vfModuleModels.size());
for (VfModuleModel vfModule : vfModuleModels) {
forwardAndUpload(vfModule);
}
} else {
System.out.println("NOT a CloudArtifact type !");
return;
}
}
private void forwardAndUpload(VfModuleModel vfModule) {
System.out.println("before create type !");
boolean definitionCreated = createDefinition(vfModule);
System.out.println(" after create type !");
if (definitionCreated) {
uploadArtifact(vfModule);
}
}
private boolean createDefinition(VfModuleModel vfModule) {
try {
HttpPost httpPost = new HttpPost(BASE_PATH);
httpPost.addHeader("Accept", "application/json");
httpPost.addHeader("Content-Type", "application/json");
Gson gson = new GsonBuilder().enableComplexMapKeySerialization()
.create();
Map<String, Object> map = new LinkedHashMap<String, Object>();
map.put("rb-name", vfModule.getVfModuleModelInvariantUUID());
map.put("rb-version", vfModule.getVfModuleModelUUID());
map.put("descritpion",vfModule.getVfModuleModelDescription());
Map<String, String> labelMap = new LinkedHashMap<String, String>();
labelMap.put("vnf_customization_uuid",vfModule.getVfModuleModelCustomizationUUID());
map.put("labels", labelMap);
String json = gson.toJson(map);
StringEntity entity = new StringEntity(json);
httpPost.setEntity(entity);
return invokeHttpPost("definition", httpPost);
} catch (Exception e) {
System.out.println("create definition error");
return false;
}
}
private boolean uploadArtifact(VfModuleModel vfModule) {
String url = BASE_PATH + "/" + vfModule.getVfModuleModelName() + "/"
+ vfModule.getVfModuleModelVersion() + "/content";
HttpPost httpPost = new HttpPost(url);
httpPost.addHeader("content-type", "application/x-www-form-urlencoded;charset=utf-8");
List<String> artifacts = vfModule.getArtifacts();
System.out.println("artifacts = " + artifacts);
String vfNamePrefix = vfModule.getVfModuleModelName().toLowerCase();
if ( vfNamePrefix.indexOf("..") > 0 ) {
vfNamePrefix = vfNamePrefix.substring(vfNamePrefix.indexOf("..") + 2);
if ( vfNamePrefix.indexOf("..") > 0 )
vfNamePrefix = vfNamePrefix.substring(0, vfNamePrefix.indexOf("..")) + "_";
else
vfNamePrefix = "";
} else
vfNamePrefix = "";
IArtifactInfo cloudArtifact = null;
IArtifactInfo firstCloudArtifact = null;
int cloudArtifactCount = 0;
boolean found = false;
for (String artifact: artifacts) {
if ( artifactMap.get(artifact) != null
&& artifactMap.get(artifact).getArtifactType().equals("CLOUD_TECHNOLOGY_SPECIFIC_ARTIFACT")) {
if ( cloudArtifactCount == 0 )
firstCloudArtifact = artifactMap.get(artifact);
cloudArtifactCount++;
IArtifactInfo tmpArtifact = artifactMap.get(artifact);
if ( tmpArtifact.getArtifactName().toLowerCase().startsWith(vfNamePrefix) ) {
cloudArtifact = tmpArtifact;
found = true;
break;
}
}
}
if ( found == false ) {
if ( firstCloudArtifact == null ) {
System.out.println(" meets error , no CLOUD_TECHNOLOGY_SPECIFIC_ARTIFACT type found ");
return false;
} else {
if ( cloudArtifactCount == 1 || vfNamePrefix == "" ) {
cloudArtifact = firstCloudArtifact;
} else {
System.out.println(" meets error , CLOUD_TECHNOLOGY_SPECIFIC_ARTIFACT artifacts mismatch ");
return false;
}
}
}
String cloudArtifactPath = "/data/" + vfModule.getVfModuleModelCustomizationUUID()
+ "/" + cloudArtifact.getArtifactName();
File file = new File(cloudArtifactPath);
FileEntity entity = new FileEntity(file);
httpPost.setEntity(entity);
return invokeHttpPost("uploading", httpPost);
}
@Override
public void configure(String parameterGroupName) {
configurationParameters = ParameterService.get(parameterGroupName);
}
protected static boolean invokeHttpPost(String action, HttpPost httpPost) {
System.out.println("httpPost URI: " + httpPost);
boolean ret = false;
String errorMsg;
label1: {
try ( CloseableHttpClient httpClient = HttpClients.createDefault() ) {
System.out.println("Execute Post Body: " + EntityUtils.toString(httpPost.getEntity()));
CloseableHttpResponse closeableHttpResponse = httpClient.execute(httpPost);
System.out.println("result2");
String result = EntityUtils.toString(closeableHttpResponse.getEntity());
System.out.println("result = {}" + result);
System.out.println("status = {}" + closeableHttpResponse.getStatusLine().getStatusCode());
int status = closeableHttpResponse.getStatusLine().getStatusCode();
// [200, 300] means pass
if ( (status >=200) && (status <= 300) ) {
ret = true;
} else {
System.out.println("exception: ret= " + status);
}
closeableHttpResponse.close();
break label1;
} catch (IOException exp) {
errorMsg = action + " :invokeHttpPost failed with: " + exp.getMessage();
System.out.println("exception: POST FAILED : {}" + errorMsg);
}
}
System.out.println("httpPost end!");
return ret;
}
}
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