├── .gitignore
├── CHANGELOG.md
├── LICENSE.md
├── README.md
├── example
├── eu-central-1
│ ├── terragrunt.hcl
│ └── values.yaml
├── terragrunt.hcl
└── us-east-1
│ ├── terragrunt.hcl
│ └── values.yaml
├── iam.tf
├── main.tf
├── sg.tf
├── templates
├── client-data.tpl
└── user-data.txt
├── variables.tf
└── versions.tf
/.gitignore:
--------------------------------------------------------------------------------
1 | # terraform
2 | .terraform
3 | terraform.tfstate
4 | terraform.tfstate.backup
5 | terraform.tfstate.*.backup
6 |
7 | # IDEs
8 | .idea/
9 | .vscode/
10 |
--------------------------------------------------------------------------------
/CHANGELOG.md:
--------------------------------------------------------------------------------
1 | # Changelog
2 | All notable changes to this project will be documented in this file.
3 |
4 | ## [1.2.0] - 2021-03-12
5 |
6 | ### Added
7 | - docker-ce
8 | - docker-compose
9 | - prometheus-wireguard-exporter
10 | - friendly_name support
11 |
12 | ## [1.1.0] - 2021-03-11
13 |
14 | ### Added
15 | - Update examples
16 | - Update Readme
17 | - Fix tf code
18 | - Refactor tf variables
19 | - Fix iptables rules
20 | - Upgrade Ubuntu 16.04 > 20.04
21 | - Upgrade aws cli v1 > v2
22 | - Install additional packages on the server for debugging & maintenance
23 | - Support for TF v0.13
24 |
25 | ## [1.0.0] - 2019-10-13
26 | Note that this release contains breaking changes. Hence the major version bump.
27 |
28 | ### Added
29 | - Support for TF v0.12
30 | - Support for Network Load Balancers
31 | - Variable `instance_type` added.
32 | - Variable `additional_security_group_ids` added to support more flexibility with security groups.
33 | - Variable `eip_id` added to pass in an EIP object
34 | - `asg_min_size`, `asg_max_size`, and `asg_desired_capacity` variables for autoscaling groups.
35 | - Variable `wg_persistent_keepalive` to set keepalive in seconds. Set to 0 to disable.
36 |
37 | ### Changed
38 | - Variable `public_subnet_ids` renamed to `subnet_ids`
39 | - Ubuntu AMI used will now default to the latest.
40 |
41 | ### Removed
42 | - An EIP is no longer created in this module, in order to support the option to use a ELB. Instead, a EIP ID must be passed in, if that is the desired configuration.
43 |
44 | ## [0.0.2] - 2019-03-02
45 | ### Added
46 | - Multi-client support via the module variable.
47 | - This CHANGELOG
48 | ### Removed
49 | - Single-client public key via AWS SSM as it now conflicts with the module variable method.
50 |
51 | ## [0.0.1] - 2019-02-24
52 | ### Added
53 | - Working module to deploy WireGuard with single client support.
54 |
--------------------------------------------------------------------------------
/LICENSE.md:
--------------------------------------------------------------------------------
1 | GNU GENERAL PUBLIC LICENSE
2 | Version 3, 29 June 2007
3 |
4 | Copyright (C) 2007 Free Software Foundation, Inc.
5 | Everyone is permitted to copy and distribute verbatim copies
6 | of this license document, but changing it is not allowed.
7 |
8 | Preamble
9 |
10 | The GNU General Public License is a free, copyleft license for
11 | software and other kinds of works.
12 |
13 | The licenses for most software and other practical works are designed
14 | to take away your freedom to share and change the works. By contrast,
15 | the GNU General Public License is intended to guarantee your freedom to
16 | share and change all versions of a program--to make sure it remains free
17 | software for all its users. We, the Free Software Foundation, use the
18 | GNU General Public License for most of our software; it applies also to
19 | any other work released this way by its authors. You can apply it to
20 | your programs, too.
21 |
22 | When we speak of free software, we are referring to freedom, not
23 | price. Our General Public Licenses are designed to make sure that you
24 | have the freedom to distribute copies of free software (and charge for
25 | them if you wish), that you receive source code or can get it if you
26 | want it, that you can change the software or use pieces of it in new
27 | free programs, and that you know you can do these things.
28 |
29 | To protect your rights, we need to prevent others from denying you
30 | these rights or asking you to surrender the rights. Therefore, you have
31 | certain responsibilities if you distribute copies of the software, or if
32 | you modify it: responsibilities to respect the freedom of others.
33 |
34 | For example, if you distribute copies of such a program, whether
35 | gratis or for a fee, you must pass on to the recipients the same
36 | freedoms that you received. You must make sure that they, too, receive
37 | or can get the source code. And you must show them these terms so they
38 | know their rights.
39 |
40 | Developers that use the GNU GPL protect your rights with two steps:
41 | (1) assert copyright on the software, and (2) offer you this License
42 | giving you legal permission to copy, distribute and/or modify it.
43 |
44 | For the developers' and authors' protection, the GPL clearly explains
45 | that there is no warranty for this free software. For both users' and
46 | authors' sake, the GPL requires that modified versions be marked as
47 | changed, so that their problems will not be attributed erroneously to
48 | authors of previous versions.
49 |
50 | Some devices are designed to deny users access to install or run
51 | modified versions of the software inside them, although the manufacturer
52 | can do so. This is fundamentally incompatible with the aim of
53 | protecting users' freedom to change the software. The systematic
54 | pattern of such abuse occurs in the area of products for individuals to
55 | use, which is precisely where it is most unacceptable. Therefore, we
56 | have designed this version of the GPL to prohibit the practice for those
57 | products. If such problems arise substantially in other domains, we
58 | stand ready to extend this provision to those domains in future versions
59 | of the GPL, as needed to protect the freedom of users.
60 |
61 | Finally, every program is threatened constantly by software patents.
62 | States should not allow patents to restrict development and use of
63 | software on general-purpose computers, but in those that do, we wish to
64 | avoid the special danger that patents applied to a free program could
65 | make it effectively proprietary. To prevent this, the GPL assures that
66 | patents cannot be used to render the program non-free.
67 |
68 | The precise terms and conditions for copying, distribution and
69 | modification follow.
70 |
71 | TERMS AND CONDITIONS
72 |
73 | 0. Definitions.
74 |
75 | "This License" refers to version 3 of the GNU General Public License.
76 |
77 | "Copyright" also means copyright-like laws that apply to other kinds of
78 | works, such as semiconductor masks.
79 |
80 | "The Program" refers to any copyrightable work licensed under this
81 | License. Each licensee is addressed as "you". "Licensees" and
82 | "recipients" may be individuals or organizations.
83 |
84 | To "modify" a work means to copy from or adapt all or part of the work
85 | in a fashion requiring copyright permission, other than the making of an
86 | exact copy. The resulting work is called a "modified version" of the
87 | earlier work or a work "based on" the earlier work.
88 |
89 | A "covered work" means either the unmodified Program or a work based
90 | on the Program.
91 |
92 | To "propagate" a work means to do anything with it that, without
93 | permission, would make you directly or secondarily liable for
94 | infringement under applicable copyright law, except executing it on a
95 | computer or modifying a private copy. Propagation includes copying,
96 | distribution (with or without modification), making available to the
97 | public, and in some countries other activities as well.
98 |
99 | To "convey" a work means any kind of propagation that enables other
100 | parties to make or receive copies. Mere interaction with a user through
101 | a computer network, with no transfer of a copy, is not conveying.
102 |
103 | An interactive user interface displays "Appropriate Legal Notices"
104 | to the extent that it includes a convenient and prominently visible
105 | feature that (1) displays an appropriate copyright notice, and (2)
106 | tells the user that there is no warranty for the work (except to the
107 | extent that warranties are provided), that licensees may convey the
108 | work under this License, and how to view a copy of this License. If
109 | the interface presents a list of user commands or options, such as a
110 | menu, a prominent item in the list meets this criterion.
111 |
112 | 1. Source Code.
113 |
114 | The "source code" for a work means the preferred form of the work
115 | for making modifications to it. "Object code" means any non-source
116 | form of a work.
117 |
118 | A "Standard Interface" means an interface that either is an official
119 | standard defined by a recognized standards body, or, in the case of
120 | interfaces specified for a particular programming language, one that
121 | is widely used among developers working in that language.
122 |
123 | The "System Libraries" of an executable work include anything, other
124 | than the work as a whole, that (a) is included in the normal form of
125 | packaging a Major Component, but which is not part of that Major
126 | Component, and (b) serves only to enable use of the work with that
127 | Major Component, or to implement a Standard Interface for which an
128 | implementation is available to the public in source code form. A
129 | "Major Component", in this context, means a major essential component
130 | (kernel, window system, and so on) of the specific operating system
131 | (if any) on which the executable work runs, or a compiler used to
132 | produce the work, or an object code interpreter used to run it.
133 |
134 | The "Corresponding Source" for a work in object code form means all
135 | the source code needed to generate, install, and (for an executable
136 | work) run the object code and to modify the work, including scripts to
137 | control those activities. However, it does not include the work's
138 | System Libraries, or general-purpose tools or generally available free
139 | programs which are used unmodified in performing those activities but
140 | which are not part of the work. For example, Corresponding Source
141 | includes interface definition files associated with source files for
142 | the work, and the source code for shared libraries and dynamically
143 | linked subprograms that the work is specifically designed to require,
144 | such as by intimate data communication or control flow between those
145 | subprograms and other parts of the work.
146 |
147 | The Corresponding Source need not include anything that users
148 | can regenerate automatically from other parts of the Corresponding
149 | Source.
150 |
151 | The Corresponding Source for a work in source code form is that
152 | same work.
153 |
154 | 2. Basic Permissions.
155 |
156 | All rights granted under this License are granted for the term of
157 | copyright on the Program, and are irrevocable provided the stated
158 | conditions are met. This License explicitly affirms your unlimited
159 | permission to run the unmodified Program. The output from running a
160 | covered work is covered by this License only if the output, given its
161 | content, constitutes a covered work. This License acknowledges your
162 | rights of fair use or other equivalent, as provided by copyright law.
163 |
164 | You may make, run and propagate covered works that you do not
165 | convey, without conditions so long as your license otherwise remains
166 | in force. You may convey covered works to others for the sole purpose
167 | of having them make modifications exclusively for you, or provide you
168 | with facilities for running those works, provided that you comply with
169 | the terms of this License in conveying all material for which you do
170 | not control copyright. Those thus making or running the covered works
171 | for you must do so exclusively on your behalf, under your direction
172 | and control, on terms that prohibit them from making any copies of
173 | your copyrighted material outside their relationship with you.
174 |
175 | Conveying under any other circumstances is permitted solely under
176 | the conditions stated below. Sublicensing is not allowed; section 10
177 | makes it unnecessary.
178 |
179 | 3. Protecting Users' Legal Rights From Anti-Circumvention Law.
180 |
181 | No covered work shall be deemed part of an effective technological
182 | measure under any applicable law fulfilling obligations under article
183 | 11 of the WIPO copyright treaty adopted on 20 December 1996, or
184 | similar laws prohibiting or restricting circumvention of such
185 | measures.
186 |
187 | When you convey a covered work, you waive any legal power to forbid
188 | circumvention of technological measures to the extent such circumvention
189 | is effected by exercising rights under this License with respect to
190 | the covered work, and you disclaim any intention to limit operation or
191 | modification of the work as a means of enforcing, against the work's
192 | users, your or third parties' legal rights to forbid circumvention of
193 | technological measures.
194 |
195 | 4. Conveying Verbatim Copies.
196 |
197 | You may convey verbatim copies of the Program's source code as you
198 | receive it, in any medium, provided that you conspicuously and
199 | appropriately publish on each copy an appropriate copyright notice;
200 | keep intact all notices stating that this License and any
201 | non-permissive terms added in accord with section 7 apply to the code;
202 | keep intact all notices of the absence of any warranty; and give all
203 | recipients a copy of this License along with the Program.
204 |
205 | You may charge any price or no price for each copy that you convey,
206 | and you may offer support or warranty protection for a fee.
207 |
208 | 5. Conveying Modified Source Versions.
209 |
210 | You may convey a work based on the Program, or the modifications to
211 | produce it from the Program, in the form of source code under the
212 | terms of section 4, provided that you also meet all of these conditions:
213 |
214 | a) The work must carry prominent notices stating that you modified
215 | it, and giving a relevant date.
216 |
217 | b) The work must carry prominent notices stating that it is
218 | released under this License and any conditions added under section
219 | 7. This requirement modifies the requirement in section 4 to
220 | "keep intact all notices".
221 |
222 | c) You must license the entire work, as a whole, under this
223 | License to anyone who comes into possession of a copy. This
224 | License will therefore apply, along with any applicable section 7
225 | additional terms, to the whole of the work, and all its parts,
226 | regardless of how they are packaged. This License gives no
227 | permission to license the work in any other way, but it does not
228 | invalidate such permission if you have separately received it.
229 |
230 | d) If the work has interactive user interfaces, each must display
231 | Appropriate Legal Notices; however, if the Program has interactive
232 | interfaces that do not display Appropriate Legal Notices, your
233 | work need not make them do so.
234 |
235 | A compilation of a covered work with other separate and independent
236 | works, which are not by their nature extensions of the covered work,
237 | and which are not combined with it such as to form a larger program,
238 | in or on a volume of a storage or distribution medium, is called an
239 | "aggregate" if the compilation and its resulting copyright are not
240 | used to limit the access or legal rights of the compilation's users
241 | beyond what the individual works permit. Inclusion of a covered work
242 | in an aggregate does not cause this License to apply to the other
243 | parts of the aggregate.
244 |
245 | 6. Conveying Non-Source Forms.
246 |
247 | You may convey a covered work in object code form under the terms
248 | of sections 4 and 5, provided that you also convey the
249 | machine-readable Corresponding Source under the terms of this License,
250 | in one of these ways:
251 |
252 | a) Convey the object code in, or embodied in, a physical product
253 | (including a physical distribution medium), accompanied by the
254 | Corresponding Source fixed on a durable physical medium
255 | customarily used for software interchange.
256 |
257 | b) Convey the object code in, or embodied in, a physical product
258 | (including a physical distribution medium), accompanied by a
259 | written offer, valid for at least three years and valid for as
260 | long as you offer spare parts or customer support for that product
261 | model, to give anyone who possesses the object code either (1) a
262 | copy of the Corresponding Source for all the software in the
263 | product that is covered by this License, on a durable physical
264 | medium customarily used for software interchange, for a price no
265 | more than your reasonable cost of physically performing this
266 | conveying of source, or (2) access to copy the
267 | Corresponding Source from a network server at no charge.
268 |
269 | c) Convey individual copies of the object code with a copy of the
270 | written offer to provide the Corresponding Source. This
271 | alternative is allowed only occasionally and noncommercially, and
272 | only if you received the object code with such an offer, in accord
273 | with subsection 6b.
274 |
275 | d) Convey the object code by offering access from a designated
276 | place (gratis or for a charge), and offer equivalent access to the
277 | Corresponding Source in the same way through the same place at no
278 | further charge. You need not require recipients to copy the
279 | Corresponding Source along with the object code. If the place to
280 | copy the object code is a network server, the Corresponding Source
281 | may be on a different server (operated by you or a third party)
282 | that supports equivalent copying facilities, provided you maintain
283 | clear directions next to the object code saying where to find the
284 | Corresponding Source. Regardless of what server hosts the
285 | Corresponding Source, you remain obligated to ensure that it is
286 | available for as long as needed to satisfy these requirements.
287 |
288 | e) Convey the object code using peer-to-peer transmission, provided
289 | you inform other peers where the object code and Corresponding
290 | Source of the work are being offered to the general public at no
291 | charge under subsection 6d.
292 |
293 | A separable portion of the object code, whose source code is excluded
294 | from the Corresponding Source as a System Library, need not be
295 | included in conveying the object code work.
296 |
297 | A "User Product" is either (1) a "consumer product", which means any
298 | tangible personal property which is normally used for personal, family,
299 | or household purposes, or (2) anything designed or sold for incorporation
300 | into a dwelling. In determining whether a product is a consumer product,
301 | doubtful cases shall be resolved in favor of coverage. For a particular
302 | product received by a particular user, "normally used" refers to a
303 | typical or common use of that class of product, regardless of the status
304 | of the particular user or of the way in which the particular user
305 | actually uses, or expects or is expected to use, the product. A product
306 | is a consumer product regardless of whether the product has substantial
307 | commercial, industrial or non-consumer uses, unless such uses represent
308 | the only significant mode of use of the product.
309 |
310 | "Installation Information" for a User Product means any methods,
311 | procedures, authorization keys, or other information required to install
312 | and execute modified versions of a covered work in that User Product from
313 | a modified version of its Corresponding Source. The information must
314 | suffice to ensure that the continued functioning of the modified object
315 | code is in no case prevented or interfered with solely because
316 | modification has been made.
317 |
318 | If you convey an object code work under this section in, or with, or
319 | specifically for use in, a User Product, and the conveying occurs as
320 | part of a transaction in which the right of possession and use of the
321 | User Product is transferred to the recipient in perpetuity or for a
322 | fixed term (regardless of how the transaction is characterized), the
323 | Corresponding Source conveyed under this section must be accompanied
324 | by the Installation Information. But this requirement does not apply
325 | if neither you nor any third party retains the ability to install
326 | modified object code on the User Product (for example, the work has
327 | been installed in ROM).
328 |
329 | The requirement to provide Installation Information does not include a
330 | requirement to continue to provide support service, warranty, or updates
331 | for a work that has been modified or installed by the recipient, or for
332 | the User Product in which it has been modified or installed. Access to a
333 | network may be denied when the modification itself materially and
334 | adversely affects the operation of the network or violates the rules and
335 | protocols for communication across the network.
336 |
337 | Corresponding Source conveyed, and Installation Information provided,
338 | in accord with this section must be in a format that is publicly
339 | documented (and with an implementation available to the public in
340 | source code form), and must require no special password or key for
341 | unpacking, reading or copying.
342 |
343 | 7. Additional Terms.
344 |
345 | "Additional permissions" are terms that supplement the terms of this
346 | License by making exceptions from one or more of its conditions.
347 | Additional permissions that are applicable to the entire Program shall
348 | be treated as though they were included in this License, to the extent
349 | that they are valid under applicable law. If additional permissions
350 | apply only to part of the Program, that part may be used separately
351 | under those permissions, but the entire Program remains governed by
352 | this License without regard to the additional permissions.
353 |
354 | When you convey a copy of a covered work, you may at your option
355 | remove any additional permissions from that copy, or from any part of
356 | it. (Additional permissions may be written to require their own
357 | removal in certain cases when you modify the work.) You may place
358 | additional permissions on material, added by you to a covered work,
359 | for which you have or can give appropriate copyright permission.
360 |
361 | Notwithstanding any other provision of this License, for material you
362 | add to a covered work, you may (if authorized by the copyright holders of
363 | that material) supplement the terms of this License with terms:
364 |
365 | a) Disclaiming warranty or limiting liability differently from the
366 | terms of sections 15 and 16 of this License; or
367 |
368 | b) Requiring preservation of specified reasonable legal notices or
369 | author attributions in that material or in the Appropriate Legal
370 | Notices displayed by works containing it; or
371 |
372 | c) Prohibiting misrepresentation of the origin of that material, or
373 | requiring that modified versions of such material be marked in
374 | reasonable ways as different from the original version; or
375 |
376 | d) Limiting the use for publicity purposes of names of licensors or
377 | authors of the material; or
378 |
379 | e) Declining to grant rights under trademark law for use of some
380 | trade names, trademarks, or service marks; or
381 |
382 | f) Requiring indemnification of licensors and authors of that
383 | material by anyone who conveys the material (or modified versions of
384 | it) with contractual assumptions of liability to the recipient, for
385 | any liability that these contractual assumptions directly impose on
386 | those licensors and authors.
387 |
388 | All other non-permissive additional terms are considered "further
389 | restrictions" within the meaning of section 10. If the Program as you
390 | received it, or any part of it, contains a notice stating that it is
391 | governed by this License along with a term that is a further
392 | restriction, you may remove that term. If a license document contains
393 | a further restriction but permits relicensing or conveying under this
394 | License, you may add to a covered work material governed by the terms
395 | of that license document, provided that the further restriction does
396 | not survive such relicensing or conveying.
397 |
398 | If you add terms to a covered work in accord with this section, you
399 | must place, in the relevant source files, a statement of the
400 | additional terms that apply to those files, or a notice indicating
401 | where to find the applicable terms.
402 |
403 | Additional terms, permissive or non-permissive, may be stated in the
404 | form of a separately written license, or stated as exceptions;
405 | the above requirements apply either way.
406 |
407 | 8. Termination.
408 |
409 | You may not propagate or modify a covered work except as expressly
410 | provided under this License. Any attempt otherwise to propagate or
411 | modify it is void, and will automatically terminate your rights under
412 | this License (including any patent licenses granted under the third
413 | paragraph of section 11).
414 |
415 | However, if you cease all violation of this License, then your
416 | license from a particular copyright holder is reinstated (a)
417 | provisionally, unless and until the copyright holder explicitly and
418 | finally terminates your license, and (b) permanently, if the copyright
419 | holder fails to notify you of the violation by some reasonable means
420 | prior to 60 days after the cessation.
421 |
422 | Moreover, your license from a particular copyright holder is
423 | reinstated permanently if the copyright holder notifies you of the
424 | violation by some reasonable means, this is the first time you have
425 | received notice of violation of this License (for any work) from that
426 | copyright holder, and you cure the violation prior to 30 days after
427 | your receipt of the notice.
428 |
429 | Termination of your rights under this section does not terminate the
430 | licenses of parties who have received copies or rights from you under
431 | this License. If your rights have been terminated and not permanently
432 | reinstated, you do not qualify to receive new licenses for the same
433 | material under section 10.
434 |
435 | 9. Acceptance Not Required for Having Copies.
436 |
437 | You are not required to accept this License in order to receive or
438 | run a copy of the Program. Ancillary propagation of a covered work
439 | occurring solely as a consequence of using peer-to-peer transmission
440 | to receive a copy likewise does not require acceptance. However,
441 | nothing other than this License grants you permission to propagate or
442 | modify any covered work. These actions infringe copyright if you do
443 | not accept this License. Therefore, by modifying or propagating a
444 | covered work, you indicate your acceptance of this License to do so.
445 |
446 | 10. Automatic Licensing of Downstream Recipients.
447 |
448 | Each time you convey a covered work, the recipient automatically
449 | receives a license from the original licensors, to run, modify and
450 | propagate that work, subject to this License. You are not responsible
451 | for enforcing compliance by third parties with this License.
452 |
453 | An "entity transaction" is a transaction transferring control of an
454 | organization, or substantially all assets of one, or subdividing an
455 | organization, or merging organizations. If propagation of a covered
456 | work results from an entity transaction, each party to that
457 | transaction who receives a copy of the work also receives whatever
458 | licenses to the work the party's predecessor in interest had or could
459 | give under the previous paragraph, plus a right to possession of the
460 | Corresponding Source of the work from the predecessor in interest, if
461 | the predecessor has it or can get it with reasonable efforts.
462 |
463 | You may not impose any further restrictions on the exercise of the
464 | rights granted or affirmed under this License. For example, you may
465 | not impose a license fee, royalty, or other charge for exercise of
466 | rights granted under this License, and you may not initiate litigation
467 | (including a cross-claim or counterclaim in a lawsuit) alleging that
468 | any patent claim is infringed by making, using, selling, offering for
469 | sale, or importing the Program or any portion of it.
470 |
471 | 11. Patents.
472 |
473 | A "contributor" is a copyright holder who authorizes use under this
474 | License of the Program or a work on which the Program is based. The
475 | work thus licensed is called the contributor's "contributor version".
476 |
477 | A contributor's "essential patent claims" are all patent claims
478 | owned or controlled by the contributor, whether already acquired or
479 | hereafter acquired, that would be infringed by some manner, permitted
480 | by this License, of making, using, or selling its contributor version,
481 | but do not include claims that would be infringed only as a
482 | consequence of further modification of the contributor version. For
483 | purposes of this definition, "control" includes the right to grant
484 | patent sublicenses in a manner consistent with the requirements of
485 | this License.
486 |
487 | Each contributor grants you a non-exclusive, worldwide, royalty-free
488 | patent license under the contributor's essential patent claims, to
489 | make, use, sell, offer for sale, import and otherwise run, modify and
490 | propagate the contents of its contributor version.
491 |
492 | In the following three paragraphs, a "patent license" is any express
493 | agreement or commitment, however denominated, not to enforce a patent
494 | (such as an express permission to practice a patent or covenant not to
495 | sue for patent infringement). To "grant" such a patent license to a
496 | party means to make such an agreement or commitment not to enforce a
497 | patent against the party.
498 |
499 | If you convey a covered work, knowingly relying on a patent license,
500 | and the Corresponding Source of the work is not available for anyone
501 | to copy, free of charge and under the terms of this License, through a
502 | publicly available network server or other readily accessible means,
503 | then you must either (1) cause the Corresponding Source to be so
504 | available, or (2) arrange to deprive yourself of the benefit of the
505 | patent license for this particular work, or (3) arrange, in a manner
506 | consistent with the requirements of this License, to extend the patent
507 | license to downstream recipients. "Knowingly relying" means you have
508 | actual knowledge that, but for the patent license, your conveying the
509 | covered work in a country, or your recipient's use of the covered work
510 | in a country, would infringe one or more identifiable patents in that
511 | country that you have reason to believe are valid.
512 |
513 | If, pursuant to or in connection with a single transaction or
514 | arrangement, you convey, or propagate by procuring conveyance of, a
515 | covered work, and grant a patent license to some of the parties
516 | receiving the covered work authorizing them to use, propagate, modify
517 | or convey a specific copy of the covered work, then the patent license
518 | you grant is automatically extended to all recipients of the covered
519 | work and works based on it.
520 |
521 | A patent license is "discriminatory" if it does not include within
522 | the scope of its coverage, prohibits the exercise of, or is
523 | conditioned on the non-exercise of one or more of the rights that are
524 | specifically granted under this License. You may not convey a covered
525 | work if you are a party to an arrangement with a third party that is
526 | in the business of distributing software, under which you make payment
527 | to the third party based on the extent of your activity of conveying
528 | the work, and under which the third party grants, to any of the
529 | parties who would receive the covered work from you, a discriminatory
530 | patent license (a) in connection with copies of the covered work
531 | conveyed by you (or copies made from those copies), or (b) primarily
532 | for and in connection with specific products or compilations that
533 | contain the covered work, unless you entered into that arrangement,
534 | or that patent license was granted, prior to 28 March 2007.
535 |
536 | Nothing in this License shall be construed as excluding or limiting
537 | any implied license or other defenses to infringement that may
538 | otherwise be available to you under applicable patent law.
539 |
540 | 12. No Surrender of Others' Freedom.
541 |
542 | If conditions are imposed on you (whether by court order, agreement or
543 | otherwise) that contradict the conditions of this License, they do not
544 | excuse you from the conditions of this License. If you cannot convey a
545 | covered work so as to satisfy simultaneously your obligations under this
546 | License and any other pertinent obligations, then as a consequence you may
547 | not convey it at all. For example, if you agree to terms that obligate you
548 | to collect a royalty for further conveying from those to whom you convey
549 | the Program, the only way you could satisfy both those terms and this
550 | License would be to refrain entirely from conveying the Program.
551 |
552 | 13. Use with the GNU Affero General Public License.
553 |
554 | Notwithstanding any other provision of this License, you have
555 | permission to link or combine any covered work with a work licensed
556 | under version 3 of the GNU Affero General Public License into a single
557 | combined work, and to convey the resulting work. The terms of this
558 | License will continue to apply to the part which is the covered work,
559 | but the special requirements of the GNU Affero General Public License,
560 | section 13, concerning interaction through a network will apply to the
561 | combination as such.
562 |
563 | 14. Revised Versions of this License.
564 |
565 | The Free Software Foundation may publish revised and/or new versions of
566 | the GNU General Public License from time to time. Such new versions will
567 | be similar in spirit to the present version, but may differ in detail to
568 | address new problems or concerns.
569 |
570 | Each version is given a distinguishing version number. If the
571 | Program specifies that a certain numbered version of the GNU General
572 | Public License "or any later version" applies to it, you have the
573 | option of following the terms and conditions either of that numbered
574 | version or of any later version published by the Free Software
575 | Foundation. If the Program does not specify a version number of the
576 | GNU General Public License, you may choose any version ever published
577 | by the Free Software Foundation.
578 |
579 | If the Program specifies that a proxy can decide which future
580 | versions of the GNU General Public License can be used, that proxy's
581 | public statement of acceptance of a version permanently authorizes you
582 | to choose that version for the Program.
583 |
584 | Later license versions may give you additional or different
585 | permissions. However, no additional obligations are imposed on any
586 | author or copyright holder as a result of your choosing to follow a
587 | later version.
588 |
589 | 15. Disclaimer of Warranty.
590 |
591 | THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
592 | APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
593 | HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
594 | OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
595 | THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
596 | PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
597 | IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
598 | ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
599 |
600 | 16. Limitation of Liability.
601 |
602 | IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
603 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
604 | THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
605 | GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
606 | USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
607 | DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
608 | PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
609 | EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
610 | SUCH DAMAGES.
611 |
612 | 17. Interpretation of Sections 15 and 16.
613 |
614 | If the disclaimer of warranty and limitation of liability provided
615 | above cannot be given local legal effect according to their terms,
616 | reviewing courts shall apply local law that most closely approximates
617 | an absolute waiver of all civil liability in connection with the
618 | Program, unless a warranty or assumption of liability accompanies a
619 | copy of the Program in return for a fee.
620 |
621 | END OF TERMS AND CONDITIONS
622 |
623 | How to Apply These Terms to Your New Programs
624 |
625 | If you develop a new program, and you want it to be of the greatest
626 | possible use to the public, the best way to achieve this is to make it
627 | free software which everyone can redistribute and change under these terms.
628 |
629 | To do so, attach the following notices to the program. It is safest
630 | to attach them to the start of each source file to most effectively
631 | state the exclusion of warranty; and each file should have at least
632 | the "copyright" line and a pointer to where the full notice is found.
633 |
634 |
635 | Copyright (C)
636 |
637 | This program is free software: you can redistribute it and/or modify
638 | it under the terms of the GNU General Public License as published by
639 | the Free Software Foundation, either version 3 of the License, or
640 | (at your option) any later version.
641 |
642 | This program is distributed in the hope that it will be useful,
643 | but WITHOUT ANY WARRANTY; without even the implied warranty of
644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
645 | GNU General Public License for more details.
646 |
647 | You should have received a copy of the GNU General Public License
648 | along with this program. If not, see .
649 |
650 | Also add information on how to contact you by electronic and paper mail.
651 |
652 | If the program does terminal interaction, make it output a short
653 | notice like this when it starts in an interactive mode:
654 |
655 | Copyright (C)
656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
657 | This is free software, and you are welcome to redistribute it
658 | under certain conditions; type `show c' for details.
659 |
660 | The hypothetical commands `show w' and `show c' should show the appropriate
661 | parts of the General Public License. Of course, your program's commands
662 | might be different; for a GUI interface, you would use an "about box".
663 |
664 | You should also get your employer (if you work as a programmer) or school,
665 | if any, to sign a "copyright disclaimer" for the program, if necessary.
666 | For more information on this, and how to apply and follow the GNU GPL, see
667 | .
668 |
669 | The GNU General Public License does not permit incorporating your program
670 | into proprietary programs. If your program is a subroutine library, you
671 | may consider it more useful to permit linking proprietary applications with
672 | the library. If this is what you want to do, use the GNU Lesser General
673 | Public License instead of this License. But first, please read
674 | .
675 |
--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
1 | # terraform-aws-wireguard
2 |
3 | A Terraform module to deploy a WireGuard VPN server on AWS. It can also be used to run one or more servers behind a loadbalancer, for redundancy.
4 |
5 | The module is "Terragrunt ready" & supports multi region deployment & values in yaml format. Please see example here: [example/](example/)
6 |
7 | ## Prerequisites
8 | Before using this module, you'll need to generate a key pair for your server and client, which cloud-init will source and add to WireGuard's configuration.
9 |
10 | - Install the WireGuard tools for your OS: https://www.wireguard.com/install/
11 | - Generate a key pair for each client
12 | - `wg genkey | tee client1-privatekey | wg pubkey > client1-publickey`
13 | - Generate a key pair for the server
14 | - `wg genkey | tee server-privatekey | wg pubkey > server-publickey`
15 | - Add each client's public key, along with the next available IP address to the wg_clients list. See Usage for details.
16 |
17 | ## Variables
18 | | Variable Name | Type | Required |Description |
19 | |---------------|-------------|-------------|-------------|
20 | |`subnet_ids`|`list`|Yes|A list of subnets for the Autoscaling Group to use for launching instances. May be a single subnet, but it must be an element in a list.|
21 | |`ssh_key_id`|`string`|Yes|A SSH public key ID to add to the VPN instance.|
22 | |`vpc_id`|`string`|Yes|The VPC ID in which Terraform will launch the resources.|
23 | |`env`|`string`|Optional - defaults to `prod`|The name of environment for WireGuard. Used to differentiate multiple deployments.|
24 | |`use_eip`|`bool`|Optional|Whether to attach an [Elastic IP](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/elastic-ip-addresses-eip.html) address to the VPN server. Useful for avoiding changing IPs.|
25 | |`eip_id`|`string`|Optional|When `use_eip` is enabled, specify the ID of the Elastic IP to which the VPN server will attach.|
26 | |`use_ssm`|`bool`|Optional|Use SSM Parameter Store for the VPN server Private Key.|
27 | |`wg_server_private_key`|`string`|Yes - defaults to static value in `/etc/wireguard/wg0.conf`| Static value or The Parameter Store key to use for the VPN server Private Key.|
28 | |`target_group_arns`|`string`|Optional|The Loadbalancer Target Group to which the vpn server ASG will attach.|
29 | |`additional_security_group_ids`|`list`|Optional|Used to allow added access to reach the WG servers or allow loadbalancer health checks.|
30 | |`asg_min_size`|`integer`|Optional - default to `1`|Number of VPN servers to permit minimum, only makes sense in loadbalanced scenario.|
31 | |`asg_desired_capacity`|`integer`|Optional - default to `1`|Number of VPN servers to maintain, only makes sense in loadbalanced scenario.|
32 | |`asg_max_size`|`integer`|Optional - default to `1`|Number of VPN servers to permit maximum, only makes sense in loadbalanced scenario.|
33 | |`instance_type`|`string`|Optional - defaults to `t2.micro`|Instance Size of VPN server.|
34 | |`wg_server_net`|`cidr address and netmask`|Yes|The server ip allocation and net - wg_clients entries MUST be in this netmask range.|
35 | |`wg_clients`|`list`|Yes|List of client objects with IP and public key. See Usage for details. See Examples for formatting.|
36 | |`wg_server_port`|`integer`|Optional - defaults to `51820`|Port to run wireguard service on, wireguard standard is 51820.|
37 | |`wg_persistent_keepalive`|`integer`|Optional - defaults to `25`|Regularity of Keepalives, useful for NAT stability.|
38 | |`ami_id`|`string`|Optional - defaults to the newest Ubuntu 20.04 AMI|AMI to use for the VPN server.|
39 | |`wg_server_interface`|`string`|Optional - defaults to eth0|Server interface to route traffic to for installations forwarding traffic to private networks.|
40 | |`use_route53`|`bool`|Optional|Create Route53 record for Wireguard server.|
41 | |`route53_hosted_zone_id`|`string`|Optional - if use_route53 is not used.|Route53 Hosted zone ID for Wireguard server Route53 record.|
42 | |`route53_record_name`|`string`|Optional - if use_route53 is not used.|Route53 Record Name for Wireguard server.|
43 |
44 | If the `wg_server_private_key` contains certain characters like slashes & etc then it needs additional pre-processing before entering it into `values.yaml`. Example:
45 | ```
46 | export ESCAPED_WG_SERVER_PRIVATE_KEY=$(printf '%s\n' "$WG_SERVER_PRIVATE_KEY" | sed -e 's/[\/&]/\\&/g')
47 | sed -i "s/WG_SERVER_PRIVATE_KEY/$ESCAPED_WG_SERVER_PRIVATE_KEY/g" values.yaml
48 | ```
49 |
--------------------------------------------------------------------------------
/example/eu-central-1/terragrunt.hcl:
--------------------------------------------------------------------------------
1 | include {
2 | path = find_in_parent_folders()
3 | }
4 |
5 | terraform {
6 | source = "github.com/vainkop/terraform-aws-wireguard?ref=v1.3.0"
7 | }
8 |
9 | locals { common_vars = yamldecode(file("values.yaml")) }
10 |
11 | inputs = local.common_vars
12 |
--------------------------------------------------------------------------------
/example/eu-central-1/values.yaml:
--------------------------------------------------------------------------------
1 | region: eu-central-1
2 | ssh_key_id: YOUR_SSH_KEY_HERE
3 | instance_type: t2.medium
4 | vpc_id: YOUR_VPC_ID_HERE
5 | subnet_ids:
6 | - YOUR_SUBNET_ID_HERE
7 | use_eip: true
8 | use_ssm: true
9 | use_route53: true
10 | route53_hosted_zone_id: Z06401293ABC321ODE001
11 | route53_record_name: vpn.example.com
12 | route53_geo:
13 | policy:
14 | - continent: EU
15 | prometheus_server_ip: 0.0.0.0/0
16 | wg_server_net: 10.8.0.1/24
17 | wg_server_private_key: YOUR_SERVER_PRIVATE_KEY_HERE
18 | wg_clients:
19 | - friendly_name: machine-1
20 | public_key: MACHINE_1_PUBLIC_KEY_HERE
21 | client_ip: 10.8.0.2/32
22 | - friendly_name: machine-1
23 | public_key: MACHINE_1_PUBLIC_KEY_HERE
24 | client_ip: 10.8.0.3/32
25 |
--------------------------------------------------------------------------------
/example/terragrunt.hcl:
--------------------------------------------------------------------------------
1 | terragrunt_version_constraint = "= v0.28.9"
2 | terraform_version_constraint = "= 0.13.6"
3 |
4 | remote_state {
5 | backend = "s3"
6 |
7 | config = {
8 | encrypt = true
9 | bucket = "YOUR_TERRAFORM_STATE_BUCKET_NAME"
10 | region = "YOUR_TERRAFORM_STATE_BUKET_REGION"
11 | key = "${path_relative_to_include()}/terraform.tfstate"
12 | acl = "bucket-owner-full-control"
13 | dynamodb_table = "YOUR_DYNAMODB_TABLE"
14 | }
15 | }
16 |
--------------------------------------------------------------------------------
/example/us-east-1/terragrunt.hcl:
--------------------------------------------------------------------------------
1 | include {
2 | path = find_in_parent_folders()
3 | }
4 |
5 | terraform {
6 | source = "github.com/vainkop/terraform-aws-wireguard?ref=v1.3.0"
7 | }
8 |
9 | locals { common_vars = yamldecode(file("values.yaml")) }
10 |
11 | inputs = local.common_vars
12 |
--------------------------------------------------------------------------------
/example/us-east-1/values.yaml:
--------------------------------------------------------------------------------
1 | region: us-east-1
2 | ssh_key_id: YOUR_SSH_KEY_HERE
3 | instance_type: t2.medium
4 | vpc_id: YOUR_VPC_ID_HERE
5 | subnet_ids:
6 | - YOUR_SUBNET_ID_HERE
7 | use_eip: true
8 | use_ssm: true
9 | use_route53: true
10 | route53_hosted_zone_id: Z06401293ABC321ODE001
11 | route53_record_name: vpn.example.com
12 | route53_geo:
13 | policy:
14 | - continent: NA
15 | prometheus_server_ip: 0.0.0.0/0
16 | wg_server_net: 10.8.0.1/24
17 | wg_server_private_key: YOUR_SERVER_PRIVATE_KEY_HERE
18 | wg_clients:
19 | - friendly_name: machine-1
20 | public_key: MACHINE_1_PUBLIC_KEY_HERE
21 | client_ip: 10.8.0.2/32
22 | - friendly_name: machine-1
23 | public_key: MACHINE_1_PUBLIC_KEY_HERE
24 | client_ip: 10.8.0.3/32
25 |
--------------------------------------------------------------------------------
/iam.tf:
--------------------------------------------------------------------------------
1 | data "aws_iam_policy_document" "ec2_assume_role" {
2 | statement {
3 | actions = [
4 | "sts:AssumeRole"
5 | ]
6 |
7 | principals {
8 | type = "Service"
9 | identifiers = ["ec2.amazonaws.com"]
10 | }
11 | }
12 | }
13 |
14 | data "aws_iam_policy_document" "wireguard_policy_doc" {
15 | statement {
16 | actions = [
17 | "ec2:AssociateAddress",
18 | "ssm:GetParameter"
19 | ]
20 |
21 | resources = ["*"]
22 | }
23 | }
24 |
25 | data "aws_caller_identity" "current" {}
26 |
27 | resource "aws_iam_policy" "wireguard_policy" {
28 | name = "tf-wireguard-${var.env}-${var.region}"
29 | description = "Terraform Managed. Allows Wireguard instance to attach EIP."
30 | policy = data.aws_iam_policy_document.wireguard_policy_doc.json
31 | count = (var.use_eip ? 1 : 0) # only used for EIP mode
32 | }
33 |
34 | resource "aws_iam_role" "wireguard_role" {
35 | name = "tf-wireguard-${var.env}-${var.region}"
36 | description = "Terraform Managed. Role to allow Wireguard instance to attach EIP."
37 | path = "/"
38 | assume_role_policy = data.aws_iam_policy_document.ec2_assume_role.json
39 | count = (var.use_eip ? 1 : 0) # only used for EIP mode
40 | }
41 |
42 | resource "aws_iam_role_policy_attachment" "wireguard_roleattach" {
43 | role = aws_iam_role.wireguard_role[0].name
44 | policy_arn = aws_iam_policy.wireguard_policy[0].arn
45 | count = (var.use_eip ? 1 : 0) # only used for EIP mode
46 | }
47 |
48 | resource "aws_iam_instance_profile" "wireguard_profile" {
49 | name = "tf-wireguard-${var.env}-${var.region}"
50 | role = aws_iam_role.wireguard_role[0].name
51 | count = (var.use_eip ? 1 : 0) # only used for EIP mode
52 | }
--------------------------------------------------------------------------------
/main.tf:
--------------------------------------------------------------------------------
1 | resource "aws_eip" "wireguard" {
2 | vpc = true
3 | tags = {
4 | Name = "wireguard"
5 | }
6 | }
7 |
8 | resource "aws_route53_record" "wireguard" {
9 | count = var.use_route53 ? 1 : 0
10 | allow_overwrite = true
11 | set_identifier = "wireguard-${var.region}"
12 | zone_id = var.route53_hosted_zone_id
13 | name = var.route53_record_name
14 | type = "A"
15 | ttl = "60"
16 | records = [aws_eip.wireguard.public_ip]
17 |
18 | dynamic "geolocation_routing_policy" {
19 | for_each = try(length(var.route53_geo.policy) > 0 ? var.route53_geo.policy : tomap(false), {})
20 |
21 | content {
22 | continent = geolocation_routing_policy.value.continent
23 | }
24 | }
25 | }
26 |
27 | data "template_file" "wg_client_data_json" {
28 | template = file("${path.module}/templates/client-data.tpl")
29 | count = length(var.wg_clients)
30 |
31 | vars = {
32 | friendly_name = var.wg_clients[count.index].friendly_name
33 | client_pub_key = var.wg_clients[count.index].public_key
34 | client_ip = var.wg_clients[count.index].client_ip
35 | persistent_keepalive = var.wg_persistent_keepalive
36 | }
37 | }
38 |
39 | data "aws_ami" "ubuntu" {
40 | most_recent = true
41 | filter {
42 | name = "name"
43 | values = ["ubuntu/images/hvm-ssd/ubuntu-focal-20.04-amd64-server-*"]
44 | }
45 | filter {
46 | name = "virtualization-type"
47 | values = ["hvm"]
48 | }
49 | owners = ["099720109477"] # Canonical
50 | }
51 |
52 | resource "aws_launch_configuration" "wireguard_launch_config" {
53 | name_prefix = "wireguard-${var.env}-${var.region}-"
54 | image_id = var.ami_id == null ? data.aws_ami.ubuntu.id : var.ami_id
55 | instance_type = var.instance_type
56 | key_name = var.ssh_key_id
57 | iam_instance_profile = (var.use_eip ? aws_iam_instance_profile.wireguard_profile[0].name : null)
58 | user_data = templatefile("${path.module}/templates/user-data.txt", {
59 | wg_server_private_key = var.use_ssm ? "AWS_SSM_PARAMETER" : var.wg_server_private_key,
60 | wg_server_private_key_aws_ssm_name = var.use_ssm ? aws_ssm_parameter.wireguard_server_private_key[0].name : null,
61 | wg_server_net = var.wg_server_net,
62 | wg_server_port = var.wg_server_port,
63 | peers = join("\n", data.template_file.wg_client_data_json.*.rendered),
64 | use_eip = var.use_eip ? "enabled" : "disabled",
65 | eip_id = aws_eip.wireguard.id,
66 | use_ssm = var.use_ssm ? "true" : "false",
67 | wg_server_interface = var.wg_server_interface
68 | })
69 | security_groups = [aws_security_group.sg_wireguard.id]
70 | associate_public_ip_address = var.use_eip
71 |
72 | lifecycle {
73 | create_before_destroy = true
74 | }
75 | }
76 |
77 | resource "aws_autoscaling_group" "wireguard_asg" {
78 | name = aws_launch_configuration.wireguard_launch_config.name
79 | launch_configuration = aws_launch_configuration.wireguard_launch_config.name
80 | min_size = var.asg_min_size
81 | desired_capacity = var.asg_desired_capacity
82 | max_size = var.asg_max_size
83 | vpc_zone_identifier = var.subnet_ids
84 | health_check_type = "EC2"
85 | termination_policies = ["OldestLaunchConfiguration", "OldestInstance"]
86 | target_group_arns = var.target_group_arns
87 |
88 | lifecycle {
89 | create_before_destroy = true
90 | }
91 |
92 | tags = [
93 | {
94 | key = "Name"
95 | value = aws_launch_configuration.wireguard_launch_config.name
96 | propagate_at_launch = true
97 | },
98 | {
99 | key = "Project"
100 | value = "wireguard"
101 | propagate_at_launch = true
102 | },
103 | {
104 | key = "env"
105 | value = var.env
106 | propagate_at_launch = true
107 | },
108 | {
109 | key = "tf-managed"
110 | value = "True"
111 | propagate_at_launch = true
112 | },
113 | ]
114 | }
115 |
116 | resource "aws_ssm_parameter" "wireguard_server_private_key" {
117 | count = var.use_ssm ? 1 : 0
118 | name = "/wireguard/wg-server-private-key"
119 | description = "WireGuard Server private key"
120 | type = "SecureString"
121 | value = var.wg_server_private_key
122 |
123 | tags = {
124 | Name = "wireguard-${var.env}-${var.region}"
125 | }
126 | }
127 |
--------------------------------------------------------------------------------
/sg.tf:
--------------------------------------------------------------------------------
1 | resource "aws_security_group" "sg_wireguard" {
2 | name = "wireguard-${var.env}-${var.region}"
3 | description = "Terraform Managed. Allow Wireguard client traffic from internet."
4 | vpc_id = var.vpc_id
5 |
6 | tags = {
7 | Name = "wireguard-${var.env}-${var.region}"
8 | Project = "wireguard"
9 | tf-managed = "True"
10 | env = var.env
11 | }
12 |
13 | ingress {
14 | from_port = var.wg_server_port
15 | to_port = var.wg_server_port
16 | protocol = "udp"
17 | cidr_blocks = ["0.0.0.0/0"]
18 | }
19 |
20 | ingress {
21 | from_port = 22
22 | to_port = 22
23 | protocol = "tcp"
24 | cidr_blocks = ["0.0.0.0/0"]
25 | }
26 |
27 | ingress {
28 | from_port = 9586
29 | to_port = 9586
30 | protocol = "tcp"
31 | cidr_blocks = [var.prometheus_server_ip]
32 | }
33 |
34 | ingress {
35 | from_port = 9100
36 | to_port = 9100
37 | protocol = "tcp"
38 | cidr_blocks = [var.prometheus_server_ip]
39 | }
40 |
41 | egress {
42 | from_port = 0
43 | to_port = 0
44 | protocol = "-1"
45 | cidr_blocks = ["0.0.0.0/0"]
46 | }
47 | }
--------------------------------------------------------------------------------
/templates/client-data.tpl:
--------------------------------------------------------------------------------
1 | [Peer]
2 | # friendly_name = ${friendly_name}
3 | PublicKey = ${client_pub_key}
4 | AllowedIPs = ${client_ip}
5 | PersistentKeepalive = ${persistent_keepalive}
--------------------------------------------------------------------------------
/templates/user-data.txt:
--------------------------------------------------------------------------------
1 | #!/bin/bash -v
2 | apt-get update
3 | DEBIAN_FRONTEND=noninteractive apt-get upgrade -y -o Dpkg::Options::="--force-confnew"
4 | apt-get install -y \
5 | apt-transport-https \
6 | ca-certificates \
7 | build-essential \
8 | software-properties-common \
9 | unzip \
10 | curl \
11 | wget \
12 | gnupg \
13 | net-tools \
14 | jq \
15 | wireguard-dkms \
16 | wireguard-tools && \
17 | rm -rf /var/lib/apt/lists/*
18 |
19 | curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip" && \
20 | unzip awscliv2.zip && \
21 | rm -f awscliv2.zip && \
22 | ./aws/install
23 |
24 | cat > /etc/wireguard/wg0.conf <<- EOF
25 | [Interface]
26 | Address = ${wg_server_net}
27 | PrivateKey = ${wg_server_private_key}
28 | ListenPort = ${wg_server_port}
29 | PostUp = sysctl -w -q net.ipv4.ip_forward=1
30 | PostUp = sysctl -w -q net.ipv6.conf.all.forwarding=1
31 | PostUp = iptables -P FORWARD DROP
32 | PostUp = ip6tables -P FORWARD DROP
33 | PostUp = iptables -A FORWARD -i wg0 -j ACCEPT
34 | PostUp = ip6tables -A FORWARD -i wg0 -j ACCEPT
35 | PostUp = iptables -t nat -A POSTROUTING -o ENI -j MASQUERADE
36 | PostUp = ip6tables -t nat -A POSTROUTING -o ENI -j MASQUERADE
37 | PostDown = sysctl -w -q net.ipv4.ip_forward=0
38 | PostDown = sysctl -w -q net.ipv6.conf.all.forwarding=0
39 | PostDown = iptables -P FORWARD ACCEPT
40 | PostDown = ip6tables -P FORWARD ACCEPT
41 | PostDown = iptables -D FORWARD -i wg0 -j ACCEPT
42 | PostDown = ip6tables -D FORWARD -i wg0 -j ACCEPT
43 | PostDown = iptables -t nat -D POSTROUTING -o ENI -j MASQUERADE
44 | PostDown = ip6tables -t nat -D POSTROUTING -o ENI -j MASQUERADE
45 |
46 | ${peers}
47 | EOF
48 |
49 | export ENI=$(ip route get 8.8.8.8 | grep 8.8.8.8 | awk '{print $5}')
50 | sed -i "s/ENI/$ENI/g" /etc/wireguard/wg0.conf
51 |
52 | # Use EIP if it is provided
53 | if [ "${use_eip}" != "disabled" ]; then
54 | export INSTANCE_ID=$(curl -s http://169.254.169.254/latest/meta-data/instance-id)
55 | export REGION=$(curl -fsq http://169.254.169.254/latest/meta-data/placement/availability-zone | sed 's/[a-z]$//')
56 | aws --region $${REGION} ec2 associate-address --allocation-id ${eip_id} --instance-id $${INSTANCE_ID}
57 | fi
58 |
59 | # Use SSM if it is provided
60 | if [[ "${use_ssm}" == "true" ]] && [[ ! -z "${wg_server_private_key_aws_ssm_name}" ]]; then
61 | export REGION=$(curl -fsq http://169.254.169.254/latest/meta-data/placement/availability-zone | sed 's/[a-z]$//')
62 | export AWS_SSM_PARAMETER=$(aws ssm get-parameter --name "${wg_server_private_key_aws_ssm_name}" --with-decryption --region $${REGION} | jq -r .Parameter.Value)
63 | sed -i "s/AWS_SSM_PARAMETER/$AWS_SSM_PARAMETER/g" /etc/wireguard/wg0.conf
64 | fi
65 |
66 | chown -R root:root /etc/wireguard/
67 | chmod -R og-rwx /etc/wireguard/*
68 | sysctl -p
69 | systemctl enable wg-quick@wg0.service
70 | systemctl start wg-quick@wg0.service
71 |
72 | until systemctl is-active --quiet wg-quick@wg0.service
73 | do
74 | sleep 1
75 | done
76 |
77 | # Install prometheus_wireguard_exporter
78 | wget https://github.com/vainkop/terraform-aws-wireguard/releases/download/v1.3.0/prometheus_wireguard_exporter_v3.4.2.tar.gz && \
79 | tar -zxvf prometheus_wireguard_exporter_v3.4.2.tar.gz prometheus_wireguard_exporter && \
80 | rm -fv prometheus_wireguard_exporter_v3.4.2.tar.gz && \
81 | mv prometheus_wireguard_exporter /usr/local/bin/prometheus_wireguard_exporter && \
82 | chmod +x /usr/local/bin/prometheus_wireguard_exporter
83 |
84 | cat <