/
index.ts
252 lines (231 loc) · 7.84 KB
/
index.ts
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
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
// Copyright 2016-2018, Pulumi Corporation.
//
// 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.
import * as pulumi from "@pulumi/pulumi";
import * as cloud from "@pulumi/cloud";
import { Config, Output } from "@pulumi/pulumi";
// A simple NGINX service, scaled out over two containers.
let nginx = new cloud.Service("examples-nginx", {
containers: {
nginx: {
image: "nginx",
memory: 128,
ports: [{ port: 80 }],
},
},
replicas: 2,
});
export let nginxEndpoint: Output<cloud.Endpoint> = nginx.defaultEndpoint;
// A simple NGINX service, scaled out over two containers, using a single container rather than a map.
let simpleNginx = new cloud.Service("examples-simple-nginx", {
image: "nginx",
memory: 128,
ports: [{ port: 80 }],
replicas: 2,
});
export let simpleNginxEndpoint: Output<cloud.Endpoint> = simpleNginx.defaultEndpoint;
let cachedNginx = new cloud.Service("examples-cached-nginx", {
containers: {
nginx: {
build: {
context: "./app",
cacheFrom: true,
},
memory: 128,
ports: [{ port: 80 }],
},
},
replicas: 2,
});
let multistageCachedNginx = new cloud.Service("examples-multistage-cached-nginx", {
containers: {
nginx: {
build: {
context: "./app",
dockerfile: "./app/Dockerfile-multistage",
cacheFrom: {stages: ["build"]},
},
memory: 128,
ports: [{ port: 80 }],
},
},
replicas: 2,
});
let customWebServer = new cloud.Service("mycustomservice", {
containers: {
webserver: {
memory: 128,
ports: [{ port: 80, targetPort: 8080 }],
function: () => {
let rand = Math.random();
let http = require("http");
http.createServer((req: any, res: any) => {
res.end(`Hello, world! (from ${rand})`);
}).listen(8080);
},
},
},
replicas: 2,
});
let config = new Config("containers");
let redisPassword = config.require("redisPassword");
/**
* A simple Cache abstration, built on top of a Redis container Service.
*/
class Cache {
get: (key: string) => Promise<string>;
set: (key: string, value: string) => Promise<void>;
constructor(name: string, memory: number = 128) {
let redis = new cloud.Service(name, {
containers: {
redis: {
image: "redis:alpine",
memory: memory,
ports: [{ port: 6379 }],
command: ["redis-server", "--requirepass", redisPassword],
},
},
});
this.get = (key: string) => {
return redis.getEndpoint("redis", 6379).then(endpoint => {
// console.log(`Endpoint: ${JSON.stringify(endpoint)}`);
let client = require("redis").createClient(
endpoint.port,
endpoint.hostname,
{ password: redisPassword },
);
console.log(client);
return new Promise<string>((resolve, reject) => {
client.get(key, (err: any, v: any) => {
if (err) {
reject(err);
} else {
resolve(v);
}
});
});
});
};
this.set = (key: string, value: string) => {
return redis.getEndpoint("redis", 6379).then(endpoint => {
// console.log(`Endpoint: ${JSON.stringify(endpoint)}`);
let client = require("redis").createClient(
endpoint.port,
endpoint.hostname,
{ password: redisPassword },
);
console.log(client);
return new Promise<void>((resolve, reject) => {
client.set(key, value, (err: any, v: any) => {
if (err) {
reject(err);
} else {
resolve();
}
});
});
});
};
}
}
let cache = new Cache("examples-mycache");
let helloTask = new cloud.Task("examples-hello-world", {
image: "hello-world",
memory: 20,
});
// build an anonymous image:
let builtService = new cloud.Service("examples-nginx2", {
containers: {
nginx: {
build: "./app",
memory: 128,
ports: [{ port: 80 }],
},
},
replicas: 2,
waitForSteadyState: false,
});
// expose some APIs meant for testing purposes.
let api = new cloud.API("examples-containers");
api.get("/test", async (req, res) => {
try {
res.json({
nginx: await nginx.getEndpoint(),
nginx2: await builtService.getEndpoint(),
});
} catch (err) {
console.error(errorJSON(err));
res.status(500).json(errorJSON(err));
}
});
function errorJSON(err: any) {
const result: any = Object.create(null);
Object.getOwnPropertyNames(err).forEach(key => result[key] = err[key]);
return result;
}
api.get("/", async (req, res) => {
try {
const fetch = (await import("node-fetch")).default;
// Use the NGINX or Redis Services to respond to the request.
console.log("handling /");
let page = await cache.get("page");
if (page) {
res.setHeader("X-Powered-By", "redis");
res.end(page);
return;
}
let endpoint = await nginx.getEndpoint("nginx", 80);
// console.log(`got host and port: ${JSON.stringify(endpoint)}`);
let resp = await fetch(`http://${endpoint.hostname}:${endpoint.port}/`);
let buffer = await resp.buffer();
console.log(buffer.toString());
await cache.set("page", buffer.toString());
res.setHeader("X-Powered-By", "nginx");
res.end(buffer);
} catch (err) {
console.error(errorJSON(err));
res.status(500).json(errorJSON(err));
}
});
api.get("/run", async (req, res) => {
try {
await helloTask.run();
res.json({ success: true });
} catch (err) {
console.error(errorJSON(err));
res.status(500).json(errorJSON(err));
}
});
api.get("/custom", async (req, res) => {
try {
const fetch = (await import("node-fetch")).default;
let endpoint = await customWebServer.getEndpoint();
// console.log(`got host and port: ${JSON.stringify(endpoint)}`);
let resp = await fetch(`http://${endpoint.hostname}:${endpoint.port}/`);
let buffer = await resp.buffer();
console.log(buffer.toString());
await cache.set("page", buffer.toString());
res.setHeader("X-Powered-By", "custom web server");
res.end(buffer);
} catch (err) {
console.error(errorJSON(err));
res.status(500).json(errorJSON(err));
}
});
// https://github.com/pulumi/pulumi-cloud/issues/666
// We are only making the proxy route in fargate testing.
const awsConfig = new pulumi.Config("cloud-aws");
if (awsConfig.getBoolean("useFargate")) {
api.proxy("/nginx", nginx.defaultEndpoint);
}
export let frontendURL = api.publish().url;