blob: 6e65ac983e747396dd1f3731b9dda29290fce04e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
/*******************************************************************************
* Copyright (c) 2017/18 Politecnico di Torino and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Apache License, Version 2.0
* which accompanies this distribution, and is available at
* http://www.apache.org/licenses/LICENSE-2.0
*******************************************************************************/
package it.polito.verigraph.tosca;
import java.io.File;
import java.io.IOException;
import java.io.StringWriter;
import java.util.Map;
import javax.xml.bind.JAXBException;
import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.fasterxml.jackson.dataformat.yaml.YAMLFactory;
import it.polito.verigraph.exception.BadRequestException;
import it.polito.verigraph.exception.DataNotFoundException;
import it.polito.verigraph.exception.InvalidServiceTemplateException;
import it.polito.verigraph.tosca.serializer.YamlConfigSerializer;
import it.polito.verigraph.tosca.yaml.beans.AntispamNode;
import it.polito.verigraph.tosca.yaml.beans.CacheNode;
import it.polito.verigraph.tosca.yaml.beans.ConfigurationYaml;
import it.polito.verigraph.tosca.yaml.beans.DpiNode;
import it.polito.verigraph.tosca.yaml.beans.EndhostNode;
import it.polito.verigraph.tosca.yaml.beans.EndpointNode;
import it.polito.verigraph.tosca.yaml.beans.FieldModifierNode;
import it.polito.verigraph.tosca.yaml.beans.FirewallNode;
import it.polito.verigraph.tosca.yaml.beans.MailClientNode;
import it.polito.verigraph.tosca.yaml.beans.MailServerNode;
import it.polito.verigraph.tosca.yaml.beans.NatNode;
import it.polito.verigraph.tosca.yaml.beans.NodeTemplateYaml;
import it.polito.verigraph.tosca.yaml.beans.RelationshipTemplateYaml;
import it.polito.verigraph.tosca.yaml.beans.ServiceTemplateYaml;
import it.polito.verigraph.tosca.yaml.beans.TopologyTemplateYaml;
import it.polito.verigraph.tosca.yaml.beans.VpnAccessNode;
import it.polito.verigraph.tosca.yaml.beans.VpnExitNode;
import it.polito.verigraph.tosca.yaml.beans.WebClientNode;
import it.polito.verigraph.tosca.yaml.beans.WebServerNode;
public class YamlParsingUtils {
public static ServiceTemplateYaml obtainServiceTemplate(String filePath) throws InvalidServiceTemplateException {
ServiceTemplateYaml yamlServiceTemplate = new ServiceTemplateYaml();
ObjectMapper mapper = new ObjectMapper(new YAMLFactory());
mapper.enable(JsonParser.Feature.STRICT_DUPLICATE_DETECTION);
try {
yamlServiceTemplate = mapper.readValue(new File(filePath), ServiceTemplateYaml.class);
return yamlServiceTemplate;
} catch (JsonParseException e) {
throw new InvalidServiceTemplateException("The NodeTemplate IDs and the RelationshipTemplate IDs must be unique.");
} catch (JsonMappingException e) {
throw new InvalidServiceTemplateException("The provided file does not match the expected structure.");
} catch (InvalidServiceTemplateException e) {
throw new InvalidServiceTemplateException("The provided template contains errors or missing informations.");
} catch (IOException e) {
throw new InvalidServiceTemplateException("I/O error.");
}
}
public static Map<String, NodeTemplateYaml> obtainNodeTemplates(ServiceTemplateYaml yamlService) throws DataNotFoundException {
TopologyTemplateYaml yamlTopology;
try {
yamlTopology = yamlService.getTopology_template();
} catch(NullPointerException ex) {
throw new DataNotFoundException("The ServiceTemplate provided does not contain a TopologyTemplate.");
}
try {
Map<String, NodeTemplateYaml> nodes = yamlTopology.getNode_templates();
return nodes;
} catch(NullPointerException ex) {
throw new DataNotFoundException("The ServiceTemplate provided does not contain any NodeTemplates.");
}
}
public static Map<String, RelationshipTemplateYaml> obtainRelationshipTemplates(ServiceTemplateYaml yamlService) throws DataNotFoundException {
TopologyTemplateYaml yamlTopology;
try {
yamlTopology = yamlService.getTopology_template();
} catch(NullPointerException ex) {
throw new DataNotFoundException("The ServiceTemplate provided does not contain a TopologyTemplate.");
}
try {
Map<String,RelationshipTemplateYaml> relats = yamlTopology.getRelationship_templates();
return relats;
} catch(NullPointerException ex) {
throw new DataNotFoundException("The ServiceTemplate provided does not contain any RelationshipTemplates.");
}
}
public static String obtainConfiguration(NodeTemplateYaml node) throws BadRequestException {
ConfigurationYaml yamlConfiguration = null;
ObjectMapper mapper = new ObjectMapper();
SimpleModule module = new SimpleModule();
module.addSerializer(ConfigurationYaml.class, new YamlConfigSerializer());
mapper.registerModule(module);
// Find out node type, retrieve the corresponding configuration and convert it properly
try {
if(node instanceof AntispamNode) {
yamlConfiguration = ((AntispamNode)node).getProperties();
}else if(node instanceof CacheNode) {
yamlConfiguration = ((CacheNode)node).getProperties();
}else if(node instanceof DpiNode) {
yamlConfiguration = ((DpiNode)node).getProperties();
}else if(node instanceof EndhostNode) {
yamlConfiguration = ((EndhostNode)node).getProperties();
}else if(node instanceof EndpointNode) {
yamlConfiguration = ((EndpointNode)node).getProperties();
}else if(node instanceof FieldModifierNode) {
yamlConfiguration = ((FieldModifierNode)node).getProperties();
}else if(node instanceof FirewallNode) {
yamlConfiguration = ((FirewallNode)node).getProperties();
}else if(node instanceof MailClientNode) {
yamlConfiguration = ((MailClientNode)node).getProperties();
}else if(node instanceof MailServerNode) {
yamlConfiguration = ((MailServerNode)node).getProperties();
}else if(node instanceof NatNode) {
yamlConfiguration = ((NatNode)node).getProperties();
}else if(node instanceof VpnAccessNode) {
yamlConfiguration = ((VpnAccessNode)node).getProperties();
}else if(node instanceof VpnExitNode) {
yamlConfiguration = ((VpnExitNode)node).getProperties();
}else if(node instanceof WebClientNode) {
yamlConfiguration = ((WebClientNode)node).getProperties();
}else if(node instanceof WebServerNode) {
yamlConfiguration = ((WebServerNode)node).getProperties();
}else {
throw new BadRequestException("The provided node is of unknown type, unable to retrieve the node configuration");
}
String stringConfiguration = mapper.writerWithDefaultPrettyPrinter().writeValueAsString(yamlConfiguration);
if (!stringConfiguration.equals("null"))
return stringConfiguration;
else
return "[]";
} catch (JsonProcessingException | NullPointerException e) {
throw new BadRequestException("Not able to retrieve a valid configuration");
}
}
}
|
