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a3698041 AC |
1 | (* HCoop Domtool (http://hcoop.sourceforge.net/) |
2 | * Copyright (c) 2006, Adam Chlipala | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU General Public License | |
6 | * as published by the Free Software Foundation; either version 2 | |
7 | * of the License, or (at your option) any later version. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License | |
15 | * along with this program; if not, write to the Free Software | |
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | |
dac62e84 | 17 | *) |
a3698041 AC |
18 | |
19 | (* Domain-related primitive actions *) | |
20 | ||
21 | structure Domain :> DOMAIN = struct | |
22 | ||
36e42cb8 AC |
23 | open MsgTypes |
24 | ||
2ed6d0e5 | 25 | structure SM = DataStructures.StringMap |
12adf55a | 26 | structure SS = DataStructures.StringSet |
2ed6d0e5 | 27 | |
36e42cb8 AC |
28 | val ssl_context = ref (NONE : OpenSSL.context option) |
29 | fun set_context ctx = ssl_context := SOME ctx | |
30 | ||
12adf55a | 31 | val nodes = map #1 Config.nodeIps |
2ed6d0e5 AC |
32 | val nodeMap = foldl (fn ((node, ip), mp) => SM.insert (mp, node, ip)) |
33 | SM.empty Config.nodeIps | |
8a7c40fa | 34 | fun nodeIp node = valOf (SM.find (nodeMap, node)) |
2ed6d0e5 | 35 | |
12adf55a | 36 | val usr = ref "" |
12adf55a AC |
37 | fun getUser () = !usr |
38 | ||
39 | val your_doms = ref SS.empty | |
40 | fun your_domains () = !your_doms | |
41 | ||
8a7c40fa AC |
42 | val your_usrs = ref SS.empty |
43 | fun your_users () = !your_usrs | |
44 | ||
45 | val your_grps = ref SS.empty | |
46 | fun your_groups () = !your_grps | |
47 | ||
48 | val your_pths = ref SS.empty | |
49 | fun your_paths () = !your_pths | |
50 | ||
aa56e112 | 51 | fun setUser user = |
a088cea6 | 52 | (usr := user; |
aa56e112 AC |
53 | your_doms := Acl.class {user = getUser (), |
54 | class = "domain"}; | |
55 | your_usrs := Acl.class {user = getUser (), | |
56 | class = "user"}; | |
57 | your_grps := Acl.class {user = getUser (), | |
58 | class = "group"}; | |
59 | your_pths := Acl.class {user = getUser (), | |
60 | class = "path"}) | |
61 | ||
6ae327f8 AC |
62 | fun validIp s = |
63 | case map Int.fromString (String.fields (fn ch => ch = #".") s) of | |
64 | [SOME n1, SOME n2, SOME n3, SOME n4] => | |
65 | n1 >= 0 andalso n1 < 256 andalso n2 >= 0 andalso n2 < 256 andalso n3 >= 0 andalso n3 < 256 andalso n4 >= 0 andalso n4 < 256 | |
66 | | _ => false | |
67 | ||
629a34f6 AC |
68 | fun isIdent ch = Char.isLower ch orelse Char.isDigit ch |
69 | ||
70 | fun validHost s = | |
71 | size s > 0 andalso size s < 20 | |
72 | andalso CharVector.all (fn ch => isIdent ch orelse ch = #"-") s | |
73 | ||
74 | fun validDomain s = | |
75 | size s > 0 andalso size s < 100 | |
76 | andalso List.all validHost (String.fields (fn ch => ch = #".") s) | |
77 | ||
2ed6d0e5 | 78 | fun validNode s = List.exists (fn s' => s = s') nodes |
e0b0abd2 | 79 | |
12adf55a | 80 | fun yourDomain s = SS.member (your_domains (), s) |
8a7c40fa AC |
81 | fun yourUser s = SS.member (your_users (), s) |
82 | fun yourGroup s = SS.member (your_groups (), s) | |
83 | fun yourPath path = | |
84 | List.all (fn s => s <> "..") (String.fields (fn ch => ch = #"/") path) | |
85 | andalso CharVector.all (fn ch => Char.isAlphaNum ch orelse ch = #"." orelse ch = #"/" | |
86 | orelse ch = #"-" orelse ch = #"_") path | |
87 | andalso SS.exists (fn s' => path = s' orelse String.isPrefix (s' ^ "/") path) (your_paths ()) | |
12adf55a | 88 | |
edd38024 | 89 | fun yourDomainHost s = |
c98b57cf AC |
90 | yourDomain s |
91 | orelse let | |
edd38024 AC |
92 | val (pref, suf) = Substring.splitl (fn ch => ch <> #".") (Substring.full s) |
93 | in | |
edd38024 AC |
94 | Substring.size suf > 0 |
95 | andalso validHost (Substring.string pref) | |
96 | andalso yourDomain (Substring.string | |
c98b57cf | 97 | (Substring.slice (suf, 1, NONE))) |
edd38024 AC |
98 | end |
99 | ||
2aeb9eec AC |
100 | fun validUser s = size s > 0 andalso size s < 20 |
101 | andalso CharVector.all Char.isAlphaNum s | |
102 | ||
103 | val validGroup = validUser | |
104 | ||
f8dfbbcc AC |
105 | val _ = Env.type_one "no_spaces" |
106 | Env.string | |
107 | (CharVector.all (fn ch => not (Char.isSpace ch))) | |
d5754b53 AC |
108 | val _ = Env.type_one "no_newlines" |
109 | Env.string | |
110 | (CharVector.all (fn ch => ch <> #"\n" andalso ch <> #"\r")) | |
f8dfbbcc | 111 | |
6ae327f8 AC |
112 | val _ = Env.type_one "ip" |
113 | Env.string | |
114 | validIp | |
115 | ||
629a34f6 AC |
116 | val _ = Env.type_one "host" |
117 | Env.string | |
118 | validHost | |
119 | ||
120 | val _ = Env.type_one "domain" | |
121 | Env.string | |
122 | validDomain | |
123 | ||
12adf55a AC |
124 | val _ = Env.type_one "your_domain" |
125 | Env.string | |
126 | yourDomain | |
127 | ||
edd38024 AC |
128 | val _ = Env.type_one "your_domain_host" |
129 | Env.string | |
130 | yourDomainHost | |
131 | ||
2aeb9eec AC |
132 | val _ = Env.type_one "user" |
133 | Env.string | |
134 | validUser | |
135 | ||
136 | val _ = Env.type_one "group" | |
137 | Env.string | |
138 | validGroup | |
139 | ||
8a7c40fa AC |
140 | val _ = Env.type_one "your_user" |
141 | Env.string | |
142 | yourUser | |
143 | ||
144 | val _ = Env.type_one "your_group" | |
145 | Env.string | |
146 | yourGroup | |
147 | ||
148 | val _ = Env.type_one "your_path" | |
149 | Env.string | |
150 | yourPath | |
151 | ||
e0b0abd2 AC |
152 | val _ = Env.type_one "node" |
153 | Env.string | |
154 | validNode | |
155 | ||
a3698041 AC |
156 | open Ast |
157 | ||
6ae327f8 AC |
158 | val dl = ErrorMsg.dummyLoc |
159 | ||
160 | val nsD = (EString Config.defaultNs, dl) | |
161 | val serialD = (EVar "serialAuto", dl) | |
162 | val refD = (EInt Config.defaultRefresh, dl) | |
163 | val retD = (EInt Config.defaultRetry, dl) | |
164 | val expD = (EInt Config.defaultExpiry, dl) | |
165 | val minD = (EInt Config.defaultMinimum, dl) | |
166 | ||
167 | val soaD = multiApp ((EVar "soa", dl), | |
168 | dl, | |
169 | [nsD, serialD, refD, retD, expD, minD]) | |
170 | ||
e0b0abd2 | 171 | val masterD = (EApp ((EVar "internalMaster", dl), |
8b84db5b | 172 | (EString Config.masterNode, dl)), |
e0b0abd2 AC |
173 | dl) |
174 | ||
8b84db5b AC |
175 | val slavesD = (EList (map (fn s => (EString s, dl)) Config.slaveNodes), dl) |
176 | ||
6bb366c5 AC |
177 | val _ = Defaults.registerDefault ("Mailbox", |
178 | (TBase "email", dl), | |
179 | (fn () => (EString (getUser ()), dl))) | |
180 | ||
aa56e112 AC |
181 | val _ = Defaults.registerDefault ("DNS", |
182 | (TBase "dnsKind", dl), | |
183 | (fn () => multiApp ((EVar "useDns", dl), | |
184 | dl, | |
8b84db5b | 185 | [soaD, masterD, slavesD]))) |
6ae327f8 | 186 | |
aa56e112 AC |
187 | val _ = Defaults.registerDefault ("TTL", |
188 | (TBase "int", dl), | |
189 | (fn () => (EInt Config.Bind.defaultTTL, dl))) | |
6ae327f8 AC |
190 | |
191 | type soa = {ns : string, | |
192 | serial : int option, | |
193 | ref : int, | |
194 | ret : int, | |
195 | exp : int, | |
196 | min : int} | |
197 | ||
198 | val serial = fn (EVar "serialAuto", _) => SOME NONE | |
199 | | (EApp ((EVar "serialConst", _), n), _) => Option.map SOME (Env.int n) | |
200 | | _ => NONE | |
201 | ||
202 | val soa = fn (EApp ((EApp ((EApp ((EApp ((EApp ((EApp | |
203 | ((EVar "soa", _), ns), _), | |
204 | sl), _), | |
205 | rf), _), | |
206 | ret), _), | |
207 | exp), _), | |
208 | min), _) => | |
209 | (case (Env.string ns, serial sl, Env.int rf, | |
210 | Env.int ret, Env.int exp, Env.int min) of | |
211 | (SOME ns, SOME sl, SOME rf, | |
212 | SOME ret, SOME exp, SOME min) => | |
213 | SOME {ns = ns, | |
214 | serial = sl, | |
215 | ref = rf, | |
216 | ret = ret, | |
217 | exp = exp, | |
218 | min = min} | |
219 | | _ => NONE) | |
220 | | _ => NONE | |
221 | ||
e0b0abd2 AC |
222 | datatype master = |
223 | ExternalMaster of string | |
224 | | InternalMaster of string | |
225 | ||
97665758 AC |
226 | val ip = fn (EApp ((EVar "ip_of_node", _), e), _) => Option.map nodeIp (Env.string e) |
227 | | e => Env.string e | |
228 | ||
229 | val master = fn (EApp ((EVar "externalMaster", _), e), _) => Option.map ExternalMaster (ip e) | |
8b84db5b | 230 | | (EApp ((EVar "internalMaster", _), e), _) => Option.map InternalMaster (Env.string e) |
e0b0abd2 AC |
231 | | _ => NONE |
232 | ||
6ae327f8 | 233 | datatype dnsKind = |
e0b0abd2 AC |
234 | UseDns of {soa : soa, |
235 | master : master, | |
236 | slaves : string list} | |
6ae327f8 AC |
237 | | NoDns |
238 | ||
e0b0abd2 AC |
239 | val dnsKind = fn (EApp ((EApp ((EApp |
240 | ((EVar "useDns", _), sa), _), | |
241 | mstr), _), | |
242 | slaves), _) => | |
243 | (case (soa sa, master mstr, Env.list Env.string slaves) of | |
244 | (SOME sa, SOME mstr, SOME slaves) => | |
245 | SOME (UseDns {soa = sa, | |
246 | master = mstr, | |
247 | slaves = slaves}) | |
248 | | _ => NONE) | |
325285ab | 249 | | (EVar "noDns", _) => SOME NoDns |
6ae327f8 AC |
250 | | _ => NONE |
251 | ||
a3698041 AC |
252 | val befores = ref (fn (_ : string) => ()) |
253 | val afters = ref (fn (_ : string) => ()) | |
254 | ||
255 | fun registerBefore f = | |
256 | let | |
257 | val old = !befores | |
258 | in | |
259 | befores := (fn x => (old x; f x)) | |
260 | end | |
261 | ||
262 | fun registerAfter f = | |
263 | let | |
264 | val old = !afters | |
265 | in | |
266 | afters := (fn x => (old x; f x)) | |
267 | end | |
268 | ||
269 | val current = ref "" | |
e0b0abd2 | 270 | val currentPath = ref (fn (_ : string) => "") |
dac62e84 | 271 | |
d612d62c AC |
272 | val scratch = ref "" |
273 | ||
dac62e84 AC |
274 | fun currentDomain () = !current |
275 | ||
e0b0abd2 AC |
276 | fun domainFile {node, name} = ((*print ("Opening " ^ !currentPath node ^ name ^ "\n");*) |
277 | TextIO.openOut (!currentPath node ^ name)) | |
dac62e84 AC |
278 | |
279 | fun getPath domain = | |
280 | let | |
281 | val toks = String.fields (fn ch => ch = #".") domain | |
282 | ||
283 | val elems = foldr (fn (piece, elems) => | |
284 | let | |
285 | val elems = piece :: elems | |
d612d62c | 286 | |
e0b0abd2 AC |
287 | fun doNode node = |
288 | let | |
289 | val path = String.concatWith "/" | |
290 | (Config.resultRoot :: node :: rev elems) | |
291 | val tmpPath = String.concatWith "/" | |
292 | (Config.tmpDir :: node :: rev elems) | |
293 | in | |
294 | (if Posix.FileSys.ST.isDir | |
295 | (Posix.FileSys.stat path) then | |
296 | () | |
297 | else | |
298 | (OS.FileSys.remove path; | |
299 | OS.FileSys.mkDir path)) | |
300 | handle OS.SysErr _ => OS.FileSys.mkDir path; | |
301 | ||
302 | (if Posix.FileSys.ST.isDir | |
303 | (Posix.FileSys.stat tmpPath) then | |
304 | () | |
305 | else | |
306 | (OS.FileSys.remove tmpPath; | |
307 | OS.FileSys.mkDir tmpPath)) | |
308 | handle OS.SysErr _ => OS.FileSys.mkDir tmpPath | |
309 | end | |
310 | in | |
2ed6d0e5 | 311 | app doNode nodes; |
dac62e84 AC |
312 | elems |
313 | end) [] toks | |
314 | in | |
e0b0abd2 | 315 | fn (root, site) => String.concatWith "/" (root :: site :: rev ("" :: elems)) |
d612d62c AC |
316 | end |
317 | ||
318 | datatype file_action' = | |
319 | Add' of {src : string, dst : string} | |
320 | | Delete' of string | |
321 | | Modify' of {src : string, dst : string} | |
322 | ||
e0b0abd2 | 323 | fun findDiffs (site, dom, acts) = |
d612d62c | 324 | let |
e0b0abd2 AC |
325 | val gp = getPath dom |
326 | val realPath = gp (Config.resultRoot, site) | |
327 | val tmpPath = gp (Config.tmpDir, site) | |
328 | ||
329 | (*val _ = print ("getDiffs(" ^ site ^ ", " ^ dom ^ ")... " ^ realPath ^ "; " ^ tmpPath ^ "\n")*) | |
d612d62c AC |
330 | |
331 | val dir = Posix.FileSys.opendir realPath | |
332 | ||
333 | fun loopReal acts = | |
334 | case Posix.FileSys.readdir dir of | |
335 | NONE => (Posix.FileSys.closedir dir; | |
336 | acts) | |
337 | | SOME fname => | |
338 | let | |
339 | val real = OS.Path.joinDirFile {dir = realPath, | |
340 | file = fname} | |
341 | val tmp = OS.Path.joinDirFile {dir = tmpPath, | |
342 | file = fname} | |
343 | in | |
344 | if Posix.FileSys.ST.isDir (Posix.FileSys.stat real) then | |
345 | loopReal acts | |
346 | else if Posix.FileSys.access (tmp, []) then | |
8df2e702 | 347 | if Slave.shell [Config.diff, " ", real, " ", tmp] then |
d612d62c AC |
348 | loopReal acts |
349 | else | |
e0b0abd2 | 350 | loopReal ((site, dom, realPath, Modify' {src = tmp, dst = real}) :: acts) |
d612d62c | 351 | else |
e0b0abd2 | 352 | loopReal ((site, dom, realPath, Delete' real) :: acts) |
d612d62c AC |
353 | end |
354 | ||
e0b0abd2 | 355 | val acts = loopReal acts |
d612d62c | 356 | |
8df2e702 | 357 | val dir = Posix.FileSys.opendir tmpPath |
d612d62c AC |
358 | |
359 | fun loopTmp acts = | |
360 | case Posix.FileSys.readdir dir of | |
361 | NONE => (Posix.FileSys.closedir dir; | |
362 | acts) | |
363 | | SOME fname => | |
364 | let | |
365 | val real = OS.Path.joinDirFile {dir = realPath, | |
366 | file = fname} | |
367 | val tmp = OS.Path.joinDirFile {dir = tmpPath, | |
368 | file = fname} | |
369 | in | |
370 | if Posix.FileSys.ST.isDir (Posix.FileSys.stat tmp) then | |
371 | loopTmp acts | |
372 | else if Posix.FileSys.access (real, []) then | |
373 | loopTmp acts | |
374 | else | |
e0b0abd2 | 375 | loopTmp ((site, dom, realPath, Add' {src = tmp, dst = real}) :: acts) |
d612d62c AC |
376 | end |
377 | ||
378 | val acts = loopTmp acts | |
379 | in | |
380 | acts | |
dac62e84 | 381 | end |
a3698041 | 382 | |
e0b0abd2 AC |
383 | fun findAllDiffs () = |
384 | let | |
385 | val dir = Posix.FileSys.opendir Config.tmpDir | |
386 | val len = length (String.fields (fn ch => ch = #"/") Config.tmpDir) + 1 | |
387 | ||
388 | fun exploreSites diffs = | |
389 | case Posix.FileSys.readdir dir of | |
390 | NONE => diffs | |
391 | | SOME site => | |
392 | let | |
393 | fun explore (dname, diffs) = | |
394 | let | |
395 | val dir = Posix.FileSys.opendir dname | |
396 | ||
397 | fun loop diffs = | |
398 | case Posix.FileSys.readdir dir of | |
399 | NONE => diffs | |
400 | | SOME name => | |
401 | let | |
402 | val fname = OS.Path.joinDirFile {dir = dname, | |
403 | file = name} | |
404 | in | |
405 | loop (if Posix.FileSys.ST.isDir (Posix.FileSys.stat fname) then | |
406 | let | |
407 | val dom = String.fields (fn ch => ch = #"/") fname | |
408 | val dom = List.drop (dom, len) | |
409 | val dom = String.concatWith "." (rev dom) | |
410 | ||
411 | val dname' = OS.Path.joinDirFile {dir = dname, | |
412 | file = name} | |
413 | in | |
414 | explore (dname', | |
415 | findDiffs (site, dom, diffs)) | |
416 | end | |
417 | else | |
418 | diffs) | |
419 | end | |
420 | in | |
421 | loop diffs | |
422 | before Posix.FileSys.closedir dir | |
423 | end | |
424 | in | |
36e42cb8 AC |
425 | exploreSites (explore (OS.Path.joinDirFile {dir = Config.tmpDir, |
426 | file = site}, diffs)) | |
e0b0abd2 AC |
427 | end |
428 | in | |
429 | exploreSites [] | |
430 | before Posix.FileSys.closedir dir | |
431 | end | |
432 | ||
433 | val masterNode : string option ref = ref NONE | |
434 | fun dnsMaster () = !masterNode | |
435 | ||
6ae327f8 AC |
436 | val _ = Env.containerV_one "domain" |
437 | ("domain", Env.string) | |
438 | (fn (evs, dom) => | |
439 | let | |
440 | val kind = Env.env dnsKind (evs, "DNS") | |
441 | val ttl = Env.env Env.int (evs, "TTL") | |
442 | ||
e0b0abd2 | 443 | val path = getPath dom |
6ae327f8 AC |
444 | |
445 | val () = (current := dom; | |
e0b0abd2 | 446 | currentPath := (fn site => path (Config.tmpDir, site))) |
6ae327f8 | 447 | |
e0b0abd2 | 448 | fun saveSoa (kind, soa : soa) node = |
6ae327f8 | 449 | let |
e0b0abd2 | 450 | val outf = domainFile {node = node, name = "soa"} |
6ae327f8 AC |
451 | in |
452 | TextIO.output (outf, kind); | |
453 | TextIO.output (outf, "\n"); | |
454 | TextIO.output (outf, Int.toString ttl); | |
455 | TextIO.output (outf, "\n"); | |
456 | TextIO.output (outf, #ns soa); | |
457 | TextIO.output (outf, "\n"); | |
458 | case #serial soa of | |
459 | NONE => () | |
460 | | SOME n => TextIO.output (outf, Int.toString n); | |
461 | TextIO.output (outf, "\n"); | |
462 | TextIO.output (outf, Int.toString (#ref soa)); | |
463 | TextIO.output (outf, "\n"); | |
464 | TextIO.output (outf, Int.toString (#ret soa)); | |
465 | TextIO.output (outf, "\n"); | |
466 | TextIO.output (outf, Int.toString (#exp soa)); | |
467 | TextIO.output (outf, "\n"); | |
468 | TextIO.output (outf, Int.toString (#min soa)); | |
469 | TextIO.output (outf, "\n"); | |
470 | TextIO.closeOut outf | |
471 | end | |
472 | ||
2ed6d0e5 | 473 | fun saveNamed (kind, soa : soa, masterIp) node = |
6ae327f8 | 474 | let |
e0b0abd2 | 475 | val outf = domainFile {node = node, name = "named.conf"} |
6ae327f8 AC |
476 | in |
477 | TextIO.output (outf, "\nzone \""); | |
478 | TextIO.output (outf, dom); | |
479 | TextIO.output (outf, "\" IN {\n\ttype "); | |
480 | TextIO.output (outf, kind); | |
481 | TextIO.output (outf, ";\n\tfile \""); | |
27e20924 | 482 | TextIO.output (outf, Config.Bind.zonePath_real); |
6ae327f8 AC |
483 | TextIO.output (outf, "/"); |
484 | TextIO.output (outf, dom); | |
485 | TextIO.output (outf, ".zone\";\n"); | |
486 | case kind of | |
487 | "master" => TextIO.output (outf, "\tallow-update { none; };\n") | |
2ed6d0e5 AC |
488 | | _ => (TextIO.output (outf, "\tmasters { "); |
489 | TextIO.output (outf, masterIp); | |
490 | TextIO.output (outf, " };\n")); | |
491 | TextIO.output (outf, "};\n"); | |
6ae327f8 AC |
492 | TextIO.closeOut outf |
493 | end | |
6ae327f8 AC |
494 | in |
495 | case kind of | |
e0b0abd2 AC |
496 | NoDns => masterNode := NONE |
497 | | UseDns dns => | |
2ed6d0e5 AC |
498 | let |
499 | val masterIp = | |
500 | case #master dns of | |
501 | InternalMaster node => valOf (SM.find (nodeMap, node)) | |
502 | | ExternalMaster ip => ip | |
503 | in | |
504 | app (saveSoa ("slave", #soa dns)) (#slaves dns); | |
505 | app (saveNamed ("slave", #soa dns, masterIp)) (#slaves dns); | |
506 | case #master dns of | |
507 | InternalMaster node => | |
508 | (masterNode := SOME node; | |
509 | saveSoa ("master", #soa dns) node; | |
510 | saveNamed ("master", #soa dns, masterIp) node) | |
511 | | _ => masterNode := NONE; | |
512 | !befores dom | |
513 | end | |
6ae327f8 | 514 | end, |
e0b0abd2 AC |
515 | fn () => !afters (!current)) |
516 | ||
517 | val () = Env.registerPre (fn () => (ignore (Slave.shellF ([Config.rm, " -rf ", Config.tmpDir, ""], | |
518 | fn cl => "Temp file cleanup failed: " ^ cl)); | |
519 | OS.FileSys.mkDir Config.tmpDir; | |
520 | app (fn node => OS.FileSys.mkDir | |
521 | (OS.Path.joinDirFile {dir = Config.tmpDir, | |
522 | file = node})) | |
2ed6d0e5 | 523 | nodes; |
e0b0abd2 AC |
524 | app (fn node => OS.FileSys.mkDir |
525 | (OS.Path.joinDirFile {dir = Config.resultRoot, | |
526 | file = node}) | |
527 | handle OS.SysErr _ => ()) | |
2ed6d0e5 | 528 | nodes)) |
e0b0abd2 AC |
529 | |
530 | val () = Env.registerPost (fn () => | |
531 | let | |
532 | val diffs = findAllDiffs () | |
6ae327f8 | 533 | |
e0b0abd2 AC |
534 | val diffs = map (fn (site, dom, dir, Add' {src, dst}) => |
535 | (Slave.shellF ([Config.cp, " ", src, " ", dst], | |
536 | fn cl => "Copy failed: " ^ cl); | |
537 | (site, | |
6ae327f8 AC |
538 | {action = Slave.Add, |
539 | domain = dom, | |
540 | dir = dir, | |
e0b0abd2 AC |
541 | file = dst})) |
542 | | (site, dom, dir, Delete' dst) => | |
543 | (OS.FileSys.remove dst | |
544 | handle OS.SysErr _ => | |
545 | ErrorMsg.error NONE ("Delete failed for " ^ dst); | |
546 | (site, | |
6ae327f8 AC |
547 | {action = Slave.Delete, |
548 | domain = dom, | |
549 | dir = dir, | |
e0b0abd2 AC |
550 | file = dst})) |
551 | | (site, dom, dir, Modify' {src, dst}) => | |
552 | (Slave.shellF ([Config.cp, " ", src, " ", dst], | |
553 | fn cl => "Copy failed: " ^ cl); | |
554 | (site, | |
6ae327f8 AC |
555 | {action = Slave.Modify, |
556 | domain = dom, | |
557 | dir = dir, | |
e0b0abd2 AC |
558 | file = dst}))) diffs |
559 | in | |
560 | if !ErrorMsg.anyErrors then | |
561 | () | |
36e42cb8 AC |
562 | else let |
563 | val changed = foldl (fn ((site, file), changed) => | |
564 | let | |
565 | val ls = case SM.find (changed, site) of | |
566 | NONE => [] | |
567 | | SOME ls => ls | |
568 | in | |
569 | SM.insert (changed, site, file :: ls) | |
570 | end) SM.empty diffs | |
571 | ||
572 | fun handleSite (site, files) = | |
573 | let | |
574 | ||
575 | in | |
576 | print ("New configuration for node " ^ site ^ "\n"); | |
577 | if site = Config.defaultNode then | |
578 | Slave.handleChanges files | |
579 | else let | |
580 | val bio = OpenSSL.connect (valOf (!ssl_context), | |
581 | nodeIp site | |
582 | ^ ":" | |
583 | ^ Int.toString Config.slavePort) | |
584 | in | |
585 | app (fn file => Msg.send (bio, MsgFile file)) files; | |
586 | Msg.send (bio, MsgDoFiles); | |
587 | case Msg.recv bio of | |
588 | NONE => print "Slave closed connection unexpectedly\n" | |
589 | | SOME m => | |
590 | case m of | |
591 | MsgOk => print ("Slave " ^ site ^ " finished\n") | |
592 | | MsgError s => print ("Slave " ^ site | |
593 | ^ " returned error: " ^ | |
594 | s ^ "\n") | |
595 | | _ => print ("Slave " ^ site | |
596 | ^ " returned unexpected command\n"); | |
597 | OpenSSL.close bio | |
598 | end | |
599 | end | |
600 | in | |
601 | SM.appi handleSite changed | |
602 | end; | |
e0b0abd2 | 603 | ignore (Slave.shellF ([Config.rm, " -rf ", Config.tmpDir, ""], |
559e89e9 | 604 | fn cl => "Temp file cleanup failed: " ^ cl)) |
e0b0abd2 | 605 | end) |
6ae327f8 | 606 | |
a3698041 | 607 | end |