1 public class CreateELB
2 {
3 /// <summary>
4 /// 连接AWS服务器
5 /// </summary>
6 /// <param name="awsAccessKeyId">Access Key Id</param>
7 /// <param name="awsSecretAccessKey">Secret Access Key</param>
8 /// <param name="regionEndpoint">服务器区域</param>
9 /// <returns></returns>
10 public AmazonElasticLoadBalancingClient CreateELB(string awsAccessKeyId, string awsSecretAccessKey, RegionEndpoint regionEndpoint)
11 {
12 AmazonElasticLoadBalancingClient client = new AmazonElasticLoadBalancingClient(awsAccessKeyId, awsSecretAccessKey, regionEndpoint);
13 return client;
14 }
15
16 #region 添加负载均衡器
17 /// <summary>
18 /// 添加负载均衡器
19 /// </summary>
20 /// <param name="client">连接请求</param>
21 /// <param name="LoadBalancerName">负载均衡器名称</param>
22 /// <returns></returns>
23 private string CreateLoadBalancer(AmazonElasticLoadBalancingClient client, string LoadBalancerName)
24 {
25 string DNSName = "";
26 try
27 {
28 List<string> availabilityZonesList = GetAvailabilityZonesList();
29 List<Listener> listenerList = GetListenerList();
30 List<Tag> tagList = GetTagList();
31 List<string> securityGroupslist = GetSecurityGroupslist();
32 if (!ExistLoadBalancer(client, LoadBalancerName))
33 {
34 CreateLoadBalancerRequest request = new CreateLoadBalancerRequest()
35 {
36 //可用区域
37 AvailabilityZones = availabilityZonesList,
38 //侦听器
39 Listeners = listenerList,
40 //负载平衡名称
41 LoadBalancerName = LoadBalancerName,
42 //设置负载平衡是面向 Internet ， 默认 面向Internet
43 // Scheme = "",
44 //安全组
45 SecurityGroups = securityGroupslist,
46 //子网
47 // Subnets = list,
48 //标签
49 Tags = tagList
50 };
51 CreateLoadBalancerResponse response = client.CreateLoadBalancer(request);
52 DNSName = response.DNSName;
53 if (RegisterInstancesWithLoadBalancer(client, LoadBalancerName))
54 {
55 Console.Write("添加实例成功");
56 Console.WriteLine("");
57 }
58 if (ConfigureHealthCheck(client, LoadBalancerName))
59 {
60 Console.Write("配置运行状况检查成功");
61 Console.WriteLine("");
62 }
63 }
64 else
65 {
66 Console.Write("名为<" + LoadBalancerName + ">负载均衡存在");
67 Console.WriteLine("");
68 }
69 }
70 catch (Exception)
71 {
72 throw;
73 }
74 return DNSName;
75 }
76 #endregion
77 #region 可用区域实体
78 /// <summary>
79 /// 可用区域实体
80 /// </summary>
81 /// <returns></returns>
82 private List<string> GetAvailabilityZonesList()
83 {
84 List<string> availabilityZonesList = new List<string>();
85 string availabilityZones = "ap-southeast-1a";
86 availabilityZonesList.Add(availabilityZones);
87 return availabilityZonesList;
88 }
89 #endregion
90 #region 监听器实体
91 /// <summary>
92 /// 监听器实体
93 /// </summary>
94 /// <returns></returns>
95 private List<Listener> GetListenerList()
96 {
97 List<Listener> listenerList = new List<Listener>();
98 Listener listener = new Listener();
99 listener.InstancePort = 80;
100 listener.InstanceProtocol = "HTTP";
101 listener.LoadBalancerPort = 80;
102 listener.Protocol = "HTTP";
103 listenerList.Add(listener);
104 return listenerList;
105 }
106 #endregion
107 #region 标签实体
108 /// <summary>
109 /// 标签实体
110 /// </summary>
111 /// <returns></returns>
112 private List<Tag> GetTagList()
113 {
114 //添加标签
115 List<Tag> tagList = new List<Tag>();
116
117 Tag tag = new Tag();
118 tag.Key = "key";
119 tag.Value = "value";
120 tagList.Add(tag);
121 return tagList;
122 }
123 #endregion
124 #region 安全组实体
125 /// <summary>
126 /// 安全组实体
127 /// </summary>
128 /// <returns></returns>
129 private List<string> GetSecurityGroupslist()
130 {
131 string str = "sg-4afa562f";
132 List<string> securityGroupslist = new List<string>();
133 securityGroupslist.Add(str);
134 return securityGroupslist;
135 }
136 #endregion
137 #region 添加实例
138 /// <summary>
139 /// 添加实例
140 /// </summary>
141 /// <param name="client"></param>
142 /// <param name="LoadBalancerName"></param>
143 /// <returns></returns>
144 private bool RegisterInstancesWithLoadBalancer(AmazonElasticLoadBalancingClient client, string LoadBalancerName)
145 {
146 bool result = false;
147 try
148 {
149 List<Instance> instanceList = new List<Instance>();
150 Instance instance = new Instance();
151 instance.InstanceId = "i-18de45d5";
152 instanceList.Add(instance);
153
154 Instance instance1 = new Instance();
155 instance1.InstanceId = "i-26d918e9";
156 instanceList.Add(instance1);
157 RegisterInstancesWithLoadBalancerRequest requestInstance = new RegisterInstancesWithLoadBalancerRequest()
158 {
159 Instances = instanceList,
160 LoadBalancerName = LoadBalancerName
161 };
162 RegisterInstancesWithLoadBalancerResponse responseInstance = client.RegisterInstancesWithLoadBalancer(requestInstance);
163 result = true;
164 }
165 catch (Exception)
166 {
167 throw;
168 }
169 return result;
170 }
171 #endregion
172 #region 配置运行状况检查
173 /// <summary>
174 /// 配置运行状况检查
175 /// </summary>
176 /// <param name="client"></param>
177 /// <param name="LoadBalancerName"></param>
178 /// <returns></returns>
179 private bool ConfigureHealthCheck(AmazonElasticLoadBalancingClient client, string LoadBalancerName)
180 {
181 bool result = false;
182 try
183 {
184 HealthCheck healthCheck = new HealthCheck();
185 healthCheck.HealthyThreshold = 10;
186 healthCheck.Interval = 30;
187 healthCheck.Target = "HTTP:80/index.html";
188 healthCheck.Timeout = 5;
189 healthCheck.UnhealthyThreshold = 2;
190 ConfigureHealthCheckRequest requestHealth = new ConfigureHealthCheckRequest()
191 {
192 HealthCheck = healthCheck,
193 LoadBalancerName = LoadBalancerName
194 };
195 ConfigureHealthCheckResponse responseHealth = client.ConfigureHealthCheck(requestHealth);
196 result = true;
197 }
198 catch (Exception)
199 {
200 throw;
201 }
202 return result;
203 }
204 #endregion
205 #region 删除负载均衡器
206 /// <summary>
207 /// 删除负载均衡器
208 /// </summary>
209 /// <param name="client"></param>
210 /// <param name="LoadBalancerName"></param>
211 /// <returns></returns>
212 private string DeleteLoadBalancer(AmazonElasticLoadBalancingClient client, string LoadBalancerName)
213 {
214 string result = "";
215 try
216 {
217 DeleteLoadBalancerRequest request = new DeleteLoadBalancerRequest()
218 {
219 LoadBalancerName = LoadBalancerName
220 };
221 DeleteLoadBalancerResponse response = client.DeleteLoadBalancer(request);
222 result = response.HttpStatusCode.ToString();
223 }
224 catch (Exception)
225 {
226 throw;
227 }
228 return result;
229 }
230 #endregion
231 #region 负载均衡器是否存在
232 /// <summary>
233 /// 负载均衡器是否存在
234 /// </summary>
235 /// <param name="client"></param>
236 /// <param name="LoadBalancerName"></param>
237 private bool ExistLoadBalancer(AmazonElasticLoadBalancingClient client, string LoadBalancerName)
238 {
239 bool result = false;
240 DescribeLoadBalancersResponse response = client.DescribeLoadBalancers();
241 List<LoadBalancerDescription> loadBalancerDescriptionList = response.LoadBalancerDescriptions;
242 foreach (LoadBalancerDescription loadBalancerDescription in loadBalancerDescriptionList)
243 {
244 if (loadBalancerDescription.LoadBalancerName == LoadBalancerName)
245 {
246 result = true;
247 }
248 }
249 return result;
250 }
251 #endregion
252 #region 得到负载均衡器DNS名称
253 /// <summary>
254 /// 得到负载均衡器DNS名称
255 /// </summary>
256 /// <param name="client"></param>
257 /// <param name="LoadBalancerName"></param>
258 /// <returns></returns>
259 private string GetLoadBalancerDescription(AmazonElasticLoadBalancingClient client, string LoadBalancerName)
260 {
261 string DNSName = "";
262 DescribeLoadBalancersResponse response = client.DescribeLoadBalancers();
263 List<LoadBalancerDescription> loadBalancerDescriptionList = response.LoadBalancerDescriptions;
264 foreach (LoadBalancerDescription loadBalancerDescription in loadBalancerDescriptionList)
265 {
266 if (loadBalancerDescription.LoadBalancerName == LoadBalancerName)
267 {
268 DNSName = loadBalancerDescription.DNSName;
269 }
270 }
271 return DNSName;
272 }
273 #endregion
274
275 }
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