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/*******************************************************************************
* =============LICENSE_START=========================================================
*
* =================================================================================
* Copyright (c) 2017 AT&T Intellectual Property. 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.
* ============LICENSE_END=========================================================
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
*******************************************************************************/
package org.onap.oom.dashboard.rest;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URL;
import java.time.Instant;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.apache.http.HttpHost;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.CredentialsProvider;
import org.apache.http.impl.client.BasicCredentialsProvider;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.onap.oom.dashboard.model.CloudifyBlueprintContent;
import org.onap.oom.dashboard.model.CloudifyBlueprintList;
import org.onap.oom.dashboard.model.CloudifyBlueprintUpload;
import org.onap.oom.dashboard.model.CloudifyDeploymentList;
import org.onap.oom.dashboard.model.CloudifyDeploymentRequest;
import org.onap.oom.dashboard.model.CloudifyExecution;
import org.onap.oom.dashboard.model.CloudifyExecutionList;
import org.onap.oom.dashboard.model.CloudifyExecutionRequest;
import org.onap.oom.dashboard.model.ConsulDatacenter;
import org.onap.oom.dashboard.model.ConsulHealthServiceRegistration;
import org.onap.oom.dashboard.model.ConsulNodeInfo;
import org.onap.oom.dashboard.model.ConsulServiceHealth;
import org.onap.oom.dashboard.model.ConsulServiceHealthHistory;
import org.onap.oom.dashboard.model.ConsulServiceInfo;
import org.openecomp.portalsdk.core.logging.logic.EELFLoggerDelegate;
import org.springframework.core.ParameterizedTypeReference;
import org.springframework.http.HttpMethod;
import org.springframework.http.ResponseEntity;
import org.springframework.web.client.RestTemplate;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;
/**
* Provides methods for accessing the ECOMP Controller API via REST. Most
* methods are just simple proxies. Only the methods that fetch one page of data
* have to do any real work.
*
* Implemented using Spring RestTemplate. Supports basic HTTP authentication.
*
*/
public class ControllerRestClientImpl implements IControllerRestClient {
private static EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(ControllerRestClientImpl.class);
private final String baseUrl;
private final RestTemplate restTemplate;
private final ObjectMapper objectMapper = new ObjectMapper();
/**
* Builds a restTemplate. If username and password are supplied, uses basic
* HTTP authentication.
*
* @param webapiUrl
* URL of the web endpoint
* @param user
* user name; ignored if null
* @param pass
* password
*/
public ControllerRestClientImpl(String webapiUrl, String user, String pass) {
if (webapiUrl == null)
throw new IllegalArgumentException("Null URL not permitted");
URL url = null;
try {
url = new URL(webapiUrl);
baseUrl = url.toExternalForm();
} catch (MalformedURLException ex) {
throw new RuntimeException("Failed to parse URL", ex);
}
final HttpHost httpHost = new HttpHost(url.getHost(), url.getPort());
// Build a client with a credentials provider
CloseableHttpClient httpClient = null;
if (user != null && pass != null) {
CredentialsProvider credsProvider = new BasicCredentialsProvider();
credsProvider.setCredentials(new AuthScope(httpHost), new UsernamePasswordCredentials(user, pass));
httpClient = HttpClientBuilder.create().setDefaultCredentialsProvider(credsProvider).build();
} else {
httpClient = HttpClientBuilder.create().build();
}
// Create request factory
HttpComponentsClientHttpRequestFactoryBasicAuth requestFactory = new HttpComponentsClientHttpRequestFactoryBasicAuth(
httpHost);
requestFactory.setHttpClient(httpClient);
// Put the factory in the template
this.restTemplate = new RestTemplate();
restTemplate.setRequestFactory(requestFactory);
}
/**
* Builds URL ensuring appropriate separators. The base comes from
* properties file so could have many problems.
*
* @param base
* @param suffix
* @param queryParams
* key-value pairs; i.e. must have an even number of entries.
* Ignored if null.
* @return
*/
private String buildUrl(final String[] path, final String[] queryParams) {
StringBuilder sb = new StringBuilder(path[0]);
for (int p = 1; p < path.length; ++p) {
if (!path[p - 1].endsWith("/") && !path[p].startsWith("/"))
sb.append('/');
sb.append(path[p]);
}
if (queryParams != null && queryParams.length > 0) {
sb.append('?');
int i = 0;
while (i < queryParams.length) {
if (i > 0)
sb.append('&');
sb.append(queryParams[i]);
sb.append('=');
sb.append(queryParams[i + 1]);
i += 2;
}
}
return sb.toString();
}
@Override
public CloudifyBlueprintList getBlueprints() {
String url = buildUrl(new String[] { baseUrl, blueprintsPath }, null);
logger.debug(EELFLoggerDelegate.debugLogger, "getBlueprints: url {}", url);
ResponseEntity<CloudifyBlueprintList> response = restTemplate.exchange(url, HttpMethod.GET, null,
new ParameterizedTypeReference<CloudifyBlueprintList>() {
});
CloudifyBlueprintList result = response.getBody();
return result;
}
@Override
public CloudifyBlueprintList getBlueprint(final String id) {
String url = buildUrl(new String[] { baseUrl, blueprintsPath }, new String[] { "id", id });
logger.debug(EELFLoggerDelegate.debugLogger, "getBlueprint: url {}", url);
ResponseEntity<CloudifyBlueprintList> response = restTemplate.exchange(url, HttpMethod.GET, null,
new ParameterizedTypeReference<CloudifyBlueprintList>() {
});
CloudifyBlueprintList result = response.getBody();
return result;
}
@Override
public CloudifyBlueprintContent viewBlueprint(final String id) {
String url = buildUrl(new String[] { baseUrl, viewBlueprintsPath }, new String[] { "id", id });
logger.debug(EELFLoggerDelegate.debugLogger, "viewBlueprint: url {}", url);
ResponseEntity<String> response = restTemplate.exchange(url, HttpMethod.GET, null, String.class);
String yaml = response.getBody();
CloudifyBlueprintContent result = new CloudifyBlueprintContent(id, yaml);
return result;
}
@Override
public CloudifyBlueprintList uploadBlueprint(CloudifyBlueprintUpload blueprint) {
String url = buildUrl(new String[] { baseUrl, blueprintsPath }, null);
logger.debug(EELFLoggerDelegate.debugLogger, "uploadBlueprint: url {}", url);
CloudifyBlueprintList result = restTemplate.postForObject(url, blueprint, CloudifyBlueprintList.class);
return result;
}
@Override
public int deleteBlueprint(final String id) {
String url = buildUrl(new String[] { baseUrl, blueprintsPath, id }, null);
logger.debug(EELFLoggerDelegate.debugLogger, "deleteBlueprint: url {}", url);
ResponseEntity<String> response = restTemplate.exchange(url, HttpMethod.DELETE, null,
new ParameterizedTypeReference<String>() {
});
return response.getStatusCode().value();
}
@Override
public CloudifyDeploymentList getDeployments() {
String url = buildUrl(new String[] { baseUrl, deploymentsPath }, null);
logger.debug(EELFLoggerDelegate.debugLogger, "getDeployments: url {}", url);
ResponseEntity<CloudifyDeploymentList> response = restTemplate.exchange(url, HttpMethod.GET, null,
new ParameterizedTypeReference<CloudifyDeploymentList>() {
});
CloudifyDeploymentList list = response.getBody();
return list;
}
@Override
public CloudifyDeploymentList getDeployment(final String id) {
String url = buildUrl(new String[] { baseUrl, deploymentsPath }, new String[] { "id", id });
logger.debug(EELFLoggerDelegate.debugLogger, "getDeployment: url {}", url);
ResponseEntity<CloudifyDeploymentList> response = restTemplate.exchange(url, HttpMethod.GET, null,
new ParameterizedTypeReference<CloudifyDeploymentList>() {
});
CloudifyDeploymentList list = response.getBody();
return list;
}
@Override
public CloudifyDeploymentList createDeployment(CloudifyDeploymentRequest deployment) {
String url = buildUrl(new String[] { baseUrl, deploymentsPath }, null);
logger.debug(EELFLoggerDelegate.debugLogger, "createDeployment: url {}", url);
CloudifyDeploymentList result = restTemplate.postForObject(url, deployment, CloudifyDeploymentList.class);
return result;
}
@Override
public int deleteDeployment(final String id, boolean ignoreLiveNodes) {
String url = buildUrl(new String[] { baseUrl, deploymentsPath, id },
new String[] { "ignore_live_nodes", Boolean.toString(ignoreLiveNodes) });
logger.debug(EELFLoggerDelegate.debugLogger, "deleteDeployment: url {}", url);
ResponseEntity<String> response = restTemplate.exchange(url, HttpMethod.DELETE, null,
new ParameterizedTypeReference<String>() {
});
return response.getStatusCode().value();
}
@Override
public CloudifyExecutionList getExecutions(final String deploymentId) {
String url = buildUrl(new String[] { baseUrl, executionsPath }, new String[] { "deployment_id", deploymentId });
logger.debug(EELFLoggerDelegate.debugLogger, "getExecutions: url {}", url);
ResponseEntity<CloudifyExecutionList> response = restTemplate.exchange(url, HttpMethod.GET, null,
new ParameterizedTypeReference<CloudifyExecutionList>() {
});
CloudifyExecutionList list = response.getBody();
return list;
}
@Override
public CloudifyExecutionList getExecution(String executionId, String deploymentId) {
String url = buildUrl(new String[] { baseUrl, executionsPath, executionId },
new String[] { "deployment_id", deploymentId });
logger.debug(EELFLoggerDelegate.debugLogger, "getExecution: url {}", url);
ResponseEntity<CloudifyExecutionList> response = restTemplate.exchange(url, HttpMethod.GET, null,
new ParameterizedTypeReference<CloudifyExecutionList>() {
});
CloudifyExecutionList list = response.getBody();
return list;
}
@Override
public CloudifyExecution startExecution(CloudifyExecutionRequest execution) {
String url = buildUrl(new String[] { baseUrl, executionsPath }, null);
logger.debug(EELFLoggerDelegate.debugLogger, "startExecution: url {}", url);
CloudifyExecution result = restTemplate.postForObject(url, execution, CloudifyExecution.class);
return result;
}
@Override
public int cancelExecution(final String executionId, final String deploymentId, final String action) {
String url = buildUrl(new String[] { baseUrl, executionsPath, executionId },
new String[] { "deployment_id", deploymentId, "action", action });
logger.debug(EELFLoggerDelegate.debugLogger, "deleteExecution: url {}", url);
ResponseEntity<String> response = restTemplate.exchange(url, HttpMethod.DELETE, null,
new ParameterizedTypeReference<String>() {
});
return response.getStatusCode().value();
}
@Override
public URI registerService(ConsulHealthServiceRegistration registration) {
String url = buildUrl(new String[] { baseUrl, healthServicesPath, "register" }, null);
logger.debug(EELFLoggerDelegate.debugLogger, "registerService: url {}", url);
URI uri = restTemplate.postForLocation(url, registration);
return uri;
}
@Override
public int deregisterService(String serviceName) {
String url = buildUrl(new String[] { baseUrl, healthServicesPath, "deregister" , serviceName}, null);
logger.debug(EELFLoggerDelegate.debugLogger, "deregisterService: url {}", url);
ResponseEntity<String> response = restTemplate.exchange(url, HttpMethod.POST, null,
new ParameterizedTypeReference<String>() {
});
return response.getStatusCode().value();
}
/**
* Translates the awkward map of String-to-List of IP into a list of
* ConsulServiceInfo objects
*/
@SuppressWarnings("unchecked")
@Override
public List<ConsulServiceInfo> getServices() {
String url = buildUrl(new String[] { baseUrl, healthServicesPath, "services" }, null);
logger.debug(EELFLoggerDelegate.debugLogger, "getServicesHealth: url {}", url);
ResponseEntity<Map<String, Object>> response = restTemplate.exchange(url, HttpMethod.GET, null,
new ParameterizedTypeReference<Map<String, Object>>() {
});
Map<String, Object> serviceInfo = response.getBody();
List<ConsulServiceInfo> list = new ArrayList<>();
for (Map.Entry<String, Object> entry : serviceInfo.entrySet()) {
// Be defensive
List<String> addrs = null;
if (entry.getValue() instanceof List<?>)
addrs = (List<String>) entry.getValue();
else
addrs = new ArrayList<>();
list.add(new ConsulServiceInfo(entry.getKey(), addrs));
}
return list;
}
@Override
public List<ConsulServiceHealth> getServiceHealth(String serviceName) {
String url = buildUrl(new String[] { baseUrl, healthServicesPath, "services", serviceName }, null);
logger.debug(EELFLoggerDelegate.debugLogger, "getServiceHealth: url {}", url);
ResponseEntity<List<ConsulServiceHealth>> response = restTemplate.exchange(url, HttpMethod.GET, null,
new ParameterizedTypeReference<List<ConsulServiceHealth>>() {
});
List<ConsulServiceHealth> list = response.getBody();
return list;
}
@Override
public List<ConsulServiceHealthHistory> getServiceHealthHistory(String serviceName, Instant start,
Instant end) {
String url = buildUrl(new String[] { baseUrl, healthServicesPath, "svchist", serviceName },
new String[] { "start", start.toString(), "end", end.toString() });
logger.debug(EELFLoggerDelegate.debugLogger, "getServiceHealthHistory: url {}", url);
// Hack around an odd interface that returns non-JSON on error:
// "No health Data found for the selected dates or service"
ResponseEntity<String> response = restTemplate.exchange(url, HttpMethod.GET, null,
new ParameterizedTypeReference<String>() { });
if (response.getBody().startsWith("No health"))
throw new RuntimeException(response.getBody());
List<ConsulServiceHealthHistory> result = null;
try {
TypeReference<List<ConsulServiceHealthHistory>> typeRef = new TypeReference<List<ConsulServiceHealthHistory>>() { };
result = objectMapper.readValue(response.getBody(), typeRef);
} catch (Exception ex) {
logger.error(EELFLoggerDelegate.errorLogger, "getServiceHealthHistory failed to parse response body", ex);
}
return result;
}
@Override
public List<ConsulNodeInfo> getNodes() {
String url = buildUrl(new String[] { baseUrl, healthServicesPath, "nodes" }, null);
logger.debug(EELFLoggerDelegate.debugLogger, "getNodesHealth: url {}", url);
ResponseEntity<List<ConsulNodeInfo>> response = restTemplate.exchange(url, HttpMethod.GET, null,
new ParameterizedTypeReference<List<ConsulNodeInfo>>() {
});
List<ConsulNodeInfo> list = response.getBody();
return list;
}
@Override
public List<ConsulServiceHealth> getNodeServicesHealth(String nodeId) {
String url = buildUrl(new String[] { baseUrl, healthServicesPath, "nodes", nodeId }, null);
logger.debug(EELFLoggerDelegate.debugLogger, "getNodeServicesHealth: url {}", url);
ResponseEntity<List<ConsulServiceHealth>> response = restTemplate.exchange(url, HttpMethod.GET, null,
new ParameterizedTypeReference<List<ConsulServiceHealth>>() {
});
List<ConsulServiceHealth> list = response.getBody();
return list;
}
@Override
public List<ConsulDatacenter> getDatacenters() {
String url = buildUrl(new String[] { baseUrl, healthServicesPath, "datacenters" }, null);
logger.debug(EELFLoggerDelegate.debugLogger, "getDatacentersHealth: url {}", url);
ResponseEntity<List<String>> response = restTemplate.exchange(url, HttpMethod.GET, null,
new ParameterizedTypeReference<List<String>>() {
});
List<String> list = response.getBody();
List<ConsulDatacenter> result = new ArrayList<>();
for (String dc : list)
result.add(new ConsulDatacenter(dc));
return result;
}
/**
* Simple test
*
* @param args
* blueprint ID
* @throws Exception
* On any failure
*/
public static void main(String[] args) throws Exception {
if (args.length != 1)
throw new IllegalArgumentException("Single argument expected: blueprint-id");
ControllerRestClientImpl client = new ControllerRestClientImpl("http://localhost:8081/controller", "dbus_user",
"dbus_pass");
final String id = args[0];
System.out.println("Requesting blueprint for " + id);
CloudifyBlueprintList list = client.getBlueprint(id);
if (list == null)
System.err.println("Received null");
else
for (int i = 0; i < list.items.size(); ++i) {
System.out.println("Blueprint " + Integer.toString(i));
System.out.println(list.items.get(i).toString());
}
}
}
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