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/*
* Copyright (C) 2018 Bell Canada.
*
* 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.ccsdk.sli.adaptors.netbox.impl;
import com.google.common.collect.Lists;
import com.google.gson.JsonSyntaxException;
import java.io.IOException;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Map;
import javax.sql.rowset.CachedRowSet;
import org.apache.http.HttpResponse;
import org.apache.http.util.EntityUtils;
import org.onap.ccsdk.sli.adaptors.netbox.api.NetboxClient;
import org.onap.ccsdk.sli.adaptors.netbox.model.IPAddress;
import org.onap.ccsdk.sli.adaptors.netbox.model.IPStatus;
import org.onap.ccsdk.sli.core.dblib.DbLibService;
import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
import org.onap.ccsdk.sli.core.sli.SvcLogicException;
import org.onap.ccsdk.sli.core.sli.SvcLogicResource.QueryStatus;
import org.onap.ccsdk.sli.core.slipluginutils.SliPluginUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class NetboxClientImpl implements NetboxClient {
private static final Logger LOG = LoggerFactory.getLogger(NetboxClientImpl.class);
// Netbox URI
private static final String NEXT_AVAILABLE_IP_IN_PREFIX_PATH = "/api/ipam/prefixes/%s/available-ips/";
private static final String IP_ADDRESS_PATH = "/api/ipam/ip-addresses/%s/";
// Netbox Payload
private static final String ASSIGN_IP_ADDRESS_PAYLOAD = "{\n"
+ " \"custom_fields\": {\n"
+ " \"external-key\": \"%s\",\n"
+ " \"resource-name\": \"%s\"\n"
+ " }\n"
+ "}";
// Service Logic Context input variables and exception
private static final String SERVICE_INSTANCE_ID_PROP = "service_instance_id";
private static final String VF_MODULE_ID_PROP = "vf_module_id";
private static final String EXTERNAL_KEY_PROP = "external_key";
private static final String SQL_EXCEPTION_MESSAGE = "Caught SQL exception";
// SQL statement
private static final String ASSIGN_IP_SQL_STATEMENT =
"INSERT INTO IPAM_IP_ASSIGNEMENT (service_instance_id, vf_module_id, prefix_id, ip_address_id, ip_address, ip_status, ip_response_json, external_key, ip_address_type) \n"
+ "VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)";
private static final String UNASSIGN_IP_SQL_STATEMENT =
"UPDATE IPAM_IP_ASSIGNEMENT SET ip_status = ? WHERE service_instance_id = ? AND external_key = ?";
private static final String GET_IP_ADDRESS_ID_SQL_STATEMENT =
"SELECT ip_address_id FROM IPAM_IP_ASSIGNEMENT WHERE service_instance_id = ? AND external_key = ?";
private final NetboxHttpClient client;
private final DbLibService dbLibService;
public NetboxClientImpl(final NetboxHttpClient client, final DbLibService dbLibService) {
this.client = client;
this.dbLibService = dbLibService;
}
@Override
public QueryStatus assignIpAddress(final Map<String, String> parameters, final SvcLogicContext ctx) {
try {
SliPluginUtils
.checkParameters(parameters,
new String[]{SERVICE_INSTANCE_ID_PROP, VF_MODULE_ID_PROP, "prefix_id", "resource_name",
EXTERNAL_KEY_PROP}, LOG);
} catch (SvcLogicException e) {
return QueryStatus.FAILURE;
}
final String serviceInstanceId = parameters.get(SERVICE_INSTANCE_ID_PROP);
final String vfModuleId = parameters.get(VF_MODULE_ID_PROP);
final String prefixId = parameters.get("prefix_id");
final String resourceName = parameters.get("resource_name");
final String externalKey = parameters.get(EXTERNAL_KEY_PROP);
HttpResponse httpResp;
try {
httpResp = client
.post(String.format(NEXT_AVAILABLE_IP_IN_PREFIX_PATH, prefixId),
String.format(ASSIGN_IP_ADDRESS_PAYLOAD, externalKey, resourceName));
} catch (IOException e) {
LOG.error("Fail to assign IP for Prefix(id={}). {}", prefixId, e.getMessage(), e.getCause());
return QueryStatus.FAILURE;
}
String ipamRespJson;
try {
ipamRespJson = EntityUtils.toString(httpResp.getEntity(), "UTF-8");
} catch (IOException e) {
LOG.error("Fail to parse IPAM response for assign in Prefix(id={}). Response={}", prefixId,
httpResp.getEntity(), e);
return QueryStatus.FAILURE;
}
if (httpResp.getStatusLine().getStatusCode() != 201) {
LOG.error("Fail to assign IP for Prefix(id={}). HTTP code 201!={}. Response={}", prefixId,
httpResp.getStatusLine().getStatusCode(), ipamRespJson);
return QueryStatus.FAILURE;
}
IPAddress ipAddress;
try {
ipAddress = IPAddress.fromJson(ipamRespJson);
} catch (JsonSyntaxException e) {
LOG.error("Fail to parse IPAM JSON reponse to IPAddress POJO. IPAM JSON Response={}", ipamRespJson, e);
return QueryStatus.FAILURE;
}
ArrayList<String> args = Lists.newArrayList(
serviceInstanceId,
vfModuleId,
String.valueOf(prefixId),
String.valueOf(ipAddress.getId()),
ipAddress.getAddress(),
IPStatus.ASSIGNED.name(),
ipamRespJson,
externalKey,
resourceName);
try {
dbLibService.writeData(ASSIGN_IP_SQL_STATEMENT, args, null);
} catch (SQLException e) {
LOG.error(SQL_EXCEPTION_MESSAGE, e);
return QueryStatus.FAILURE;
}
ctx.setAttribute("self_serve_netbox_ip_assignement.ip-address", ipAddress.getAddress());
return QueryStatus.SUCCESS;
}
@Override
public QueryStatus unassignIpAddress(final Map<String, String> parameters, final SvcLogicContext ctx) {
try {
SliPluginUtils
.checkParameters(parameters, new String[]{SERVICE_INSTANCE_ID_PROP, EXTERNAL_KEY_PROP},
LOG);
} catch (SvcLogicException e) {
return QueryStatus.FAILURE;
}
final String serviceInstanceId = parameters.get(SERVICE_INSTANCE_ID_PROP);
final String externalKey = parameters.get(EXTERNAL_KEY_PROP);
String ipAddressId;
ArrayList<String> args = Lists.newArrayList(
serviceInstanceId,
externalKey);
try (CachedRowSet row = dbLibService.getData(GET_IP_ADDRESS_ID_SQL_STATEMENT, args, null)) {
if (row.next()) {
ipAddressId = row.getString("ip_address_id");
} else {
throw new SQLException("Data not found.");
}
} catch (SQLException e) {
LOG.error(SQL_EXCEPTION_MESSAGE, e);
return QueryStatus.FAILURE;
}
HttpResponse httpResp;
try {
httpResp = client.delete(String.format(IP_ADDRESS_PATH, ipAddressId));
} catch (IOException e) {
LOG.error("Fail to unassign IP for IPAddress(id= " + ipAddressId + "). " + e.getMessage(),
e.getCause());
return QueryStatus.FAILURE;
}
if (httpResp.getStatusLine().getStatusCode() - 200 >= 100) {
LOG.error("Fail to unassign IP for IPAddress(id={}). HTTP code={}.", ipAddressId,
httpResp.getStatusLine().getStatusCode());
return QueryStatus.FAILURE;
}
args.clear();
args = Lists.newArrayList(
IPStatus.DELETED.name(),
serviceInstanceId,
externalKey);
try {
dbLibService.writeData(UNASSIGN_IP_SQL_STATEMENT, args, null);
} catch (SQLException e) {
LOG.error(SQL_EXCEPTION_MESSAGE, e);
return QueryStatus.FAILURE;
}
return QueryStatus.SUCCESS;
}
}
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