1{
2    "version": "1.0",
3    "parameters": {
4        "Region": {
5            "builtIn": "AWS::Region",
6            "required": false,
7            "documentation": "The AWS region used to dispatch the request.",
8            "type": "String"
9        },
10        "UseDualStack": {
11            "builtIn": "AWS::UseDualStack",
12            "required": true,
13            "default": false,
14            "documentation": "When true, use the dual-stack endpoint. If the configured endpoint does not support dual-stack, dispatching the request MAY return an error.",
15            "type": "Boolean"
16        },
17        "UseFIPS": {
18            "builtIn": "AWS::UseFIPS",
19            "required": true,
20            "default": false,
21            "documentation": "When true, send this request to the FIPS-compliant regional endpoint. If the configured endpoint does not have a FIPS compliant endpoint, dispatching the request will return an error.",
22            "type": "Boolean"
23        },
24        "Endpoint": {
25            "builtIn": "SDK::Endpoint",
26            "required": false,
27            "documentation": "Override the endpoint used to send this request",
28            "type": "String"
29        }
30    },
31    "rules": [
32        {
33            "conditions": [
34                {
35                    "fn": "isSet",
36                    "argv": [
37                        {
38                            "ref": "Endpoint"
39                        }
40                    ]
41                }
42            ],
43            "type": "tree",
44            "rules": [
45                {
46                    "conditions": [
47                        {
48                            "fn": "booleanEquals",
49                            "argv": [
50                                {
51                                    "ref": "UseFIPS"
52                                },
53                                true
54                            ]
55                        }
56                    ],
57                    "error": "Invalid Configuration: FIPS and custom endpoint are not supported",
58                    "type": "error"
59                },
60                {
61                    "conditions": [
62                        {
63                            "fn": "booleanEquals",
64                            "argv": [
65                                {
66                                    "ref": "UseDualStack"
67                                },
68                                true
69                            ]
70                        }
71                    ],
72                    "error": "Invalid Configuration: Dualstack and custom endpoint are not supported",
73                    "type": "error"
74                },
75                {
76                    "conditions": [],
77                    "endpoint": {
78                        "url": {
79                            "ref": "Endpoint"
80                        },
81                        "properties": {},
82                        "headers": {}
83                    },
84                    "type": "endpoint"
85                }
86            ]
87        },
88        {
89            "conditions": [
90                {
91                    "fn": "isSet",
92                    "argv": [
93                        {
94                            "ref": "Region"
95                        }
96                    ]
97                }
98            ],
99            "type": "tree",
100            "rules": [
101                {
102                    "conditions": [
103                        {
104                            "fn": "aws.partition",
105                            "argv": [
106                                {
107                                    "ref": "Region"
108                                }
109                            ],
110                            "assign": "PartitionResult"
111                        }
112                    ],
113                    "type": "tree",
114                    "rules": [
115                        {
116                            "conditions": [
117                                {
118                                    "fn": "booleanEquals",
119                                    "argv": [
120                                        {
121                                            "ref": "UseFIPS"
122                                        },
123                                        true
124                                    ]
125                                },
126                                {
127                                    "fn": "booleanEquals",
128                                    "argv": [
129                                        {
130                                            "ref": "UseDualStack"
131                                        },
132                                        true
133                                    ]
134                                }
135                            ],
136                            "type": "tree",
137                            "rules": [
138                                {
139                                    "conditions": [
140                                        {
141                                            "fn": "booleanEquals",
142                                            "argv": [
143                                                true,
144                                                {
145                                                    "fn": "getAttr",
146                                                    "argv": [
147                                                        {
148                                                            "ref": "PartitionResult"
149                                                        },
150                                                        "supportsFIPS"
151                                                    ]
152                                                }
153                                            ]
154                                        },
155                                        {
156                                            "fn": "booleanEquals",
157                                            "argv": [
158                                                true,
159                                                {
160                                                    "fn": "getAttr",
161                                                    "argv": [
162                                                        {
163                                                            "ref": "PartitionResult"
164                                                        },
165                                                        "supportsDualStack"
166                                                    ]
167                                                }
168                                            ]
169                                        }
170                                    ],
171                                    "type": "tree",
172                                    "rules": [
173                                        {
174                                            "conditions": [],
175                                            "endpoint": {
176                                                "url": "https://servicediscovery-fips.{Region}.{PartitionResult#dualStackDnsSuffix}",
177                                                "properties": {},
178                                                "headers": {}
179                                            },
180                                            "type": "endpoint"
181                                        }
182                                    ]
183                                },
184                                {
185                                    "conditions": [],
186                                    "error": "FIPS and DualStack are enabled, but this partition does not support one or both",
187                                    "type": "error"
188                                }
189                            ]
190                        },
191                        {
192                            "conditions": [
193                                {
194                                    "fn": "booleanEquals",
195                                    "argv": [
196                                        {
197                                            "ref": "UseFIPS"
198                                        },
199                                        true
200                                    ]
201                                }
202                            ],
203                            "type": "tree",
204                            "rules": [
205                                {
206                                    "conditions": [
207                                        {
208                                            "fn": "booleanEquals",
209                                            "argv": [
210                                                true,
211                                                {
212                                                    "fn": "getAttr",
213                                                    "argv": [
214                                                        {
215                                                            "ref": "PartitionResult"
216                                                        },
217                                                        "supportsFIPS"
218                                                    ]
219                                                }
220                                            ]
221                                        }
222                                    ],
223                                    "type": "tree",
224                                    "rules": [
225                                        {
226                                            "conditions": [],
227                                            "endpoint": {
228                                                "url": "https://servicediscovery-fips.{Region}.{PartitionResult#dnsSuffix}",
229                                                "properties": {},
230                                                "headers": {}
231                                            },
232                                            "type": "endpoint"
233                                        }
234                                    ]
235                                },
236                                {
237                                    "conditions": [],
238                                    "error": "FIPS is enabled but this partition does not support FIPS",
239                                    "type": "error"
240                                }
241                            ]
242                        },
243                        {
244                            "conditions": [
245                                {
246                                    "fn": "booleanEquals",
247                                    "argv": [
248                                        {
249                                            "ref": "UseDualStack"
250                                        },
251                                        true
252                                    ]
253                                }
254                            ],
255                            "type": "tree",
256                            "rules": [
257                                {
258                                    "conditions": [
259                                        {
260                                            "fn": "booleanEquals",
261                                            "argv": [
262                                                true,
263                                                {
264                                                    "fn": "getAttr",
265                                                    "argv": [
266                                                        {
267                                                            "ref": "PartitionResult"
268                                                        },
269                                                        "supportsDualStack"
270                                                    ]
271                                                }
272                                            ]
273                                        }
274                                    ],
275                                    "type": "tree",
276                                    "rules": [
277                                        {
278                                            "conditions": [
279                                                {
280                                                    "fn": "stringEquals",
281                                                    "argv": [
282                                                        "aws",
283                                                        {
284                                                            "fn": "getAttr",
285                                                            "argv": [
286                                                                {
287                                                                    "ref": "PartitionResult"
288                                                                },
289                                                                "name"
290                                                            ]
291                                                        }
292                                                    ]
293                                                }
294                                            ],
295                                            "endpoint": {
296                                                "url": "https://servicediscovery.{Region}.amazonaws.com",
297                                                "properties": {},
298                                                "headers": {}
299                                            },
300                                            "type": "endpoint"
301                                        },
302                                        {
303                                            "conditions": [
304                                                {
305                                                    "fn": "stringEquals",
306                                                    "argv": [
307                                                        "aws-cn",
308                                                        {
309                                                            "fn": "getAttr",
310                                                            "argv": [
311                                                                {
312                                                                    "ref": "PartitionResult"
313                                                                },
314                                                                "name"
315                                                            ]
316                                                        }
317                                                    ]
318                                                }
319                                            ],
320                                            "endpoint": {
321                                                "url": "https://servicediscovery.{Region}.amazonaws.com.cn",
322                                                "properties": {},
323                                                "headers": {}
324                                            },
325                                            "type": "endpoint"
326                                        },
327                                        {
328                                            "conditions": [
329                                                {
330                                                    "fn": "stringEquals",
331                                                    "argv": [
332                                                        "aws-us-gov",
333                                                        {
334                                                            "fn": "getAttr",
335                                                            "argv": [
336                                                                {
337                                                                    "ref": "PartitionResult"
338                                                                },
339                                                                "name"
340                                                            ]
341                                                        }
342                                                    ]
343                                                }
344                                            ],
345                                            "endpoint": {
346                                                "url": "https://servicediscovery.{Region}.amazonaws.com",
347                                                "properties": {},
348                                                "headers": {}
349                                            },
350                                            "type": "endpoint"
351                                        },
352                                        {
353                                            "conditions": [],
354                                            "endpoint": {
355                                                "url": "https://servicediscovery.{Region}.{PartitionResult#dualStackDnsSuffix}",
356                                                "properties": {},
357                                                "headers": {}
358                                            },
359                                            "type": "endpoint"
360                                        }
361                                    ]
362                                },
363                                {
364                                    "conditions": [],
365                                    "error": "DualStack is enabled but this partition does not support DualStack",
366                                    "type": "error"
367                                }
368                            ]
369                        },
370                        {
371                            "conditions": [],
372                            "endpoint": {
373                                "url": "https://servicediscovery.{Region}.{PartitionResult#dnsSuffix}",
374                                "properties": {},
375                                "headers": {}
376                            },
377                            "type": "endpoint"
378                        }
379                    ]
380                }
381            ]
382        },
383        {
384            "conditions": [],
385            "error": "Invalid Configuration: Missing Region",
386            "type": "error"
387        }
388    ]
389}