xref: /dragonfly/usr.bin/dsynth/dsynth.c (revision c8860c9a)
1 /*
2  * Copyright (c) 2019 The DragonFly Project.  All rights reserved.
3  *
4  * This code is derived from software contributed to The DragonFly Project
5  * by Matthew Dillon <dillon@backplane.com>
6  *
7  * This code uses concepts and configuration based on 'synth', by
8  * John R. Marino <draco@marino.st>, which was written in ada.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  *
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in
18  *    the documentation and/or other materials provided with the
19  *    distribution.
20  * 3. Neither the name of The DragonFly Project nor the names of its
21  *    contributors may be used to endorse or promote products derived
22  *    from this software without specific, prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
25  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
26  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
27  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
28  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
29  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
30  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
31  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
32  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
33  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
34  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35  * SUCH DAMAGE.
36  */
37 
38 #include "dsynth.h"
39 
40 static void DoInit(void);
41 static void usage(int ecode) __dead2;
42 
43 int OverridePkgDeleteOpt;
44 int YesOpt;
45 int DebugOpt;
46 int MaskProbeAbort;
47 int ColorOpt = 1;
48 int NullStdinOpt = 1;
49 int SlowStartOpt = -1;
50 long PkgDepMemoryTarget;
51 long PkgDepScaleTarget = 100;	/* 1.00 */
52 char *DSynthExecPath;
53 char *ProfileOverrideOpt;
54 int NiceOpt = 10;
55 
56 int
57 main(int ac, char **av)
58 {
59 	pkg_t *pkgs;
60 	int isworker;
61 	int c;
62 	int sopt;
63 
64 	/*
65 	 * Get our exec path so we can self-exec clean WORKER
66 	 * processes.
67 	 */
68 	{
69 		size_t len;
70 		const int name[] = {
71 			CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1,
72 		};
73 		if (sysctl(name, 4, NULL, &len, NULL, 0) < 0)
74 			dfatal_errno("Cannot get binary path");
75 		DSynthExecPath = malloc(len + 1);
76 		if (sysctl(name, 4, DSynthExecPath, &len, NULL, 0) < 0)
77 			dfatal_errno("Cannot get binary path");
78 		DSynthExecPath[len] = 0;
79 	}
80 
81 	/*
82 	 * Override profile in dsynth.ini (can be further overridden
83 	 * with the -p profile option).
84 	 */
85 	ProfileOverrideOpt = getenv("DSYNTH_PROFILE");
86 
87 	/*
88 	 * Process options and make sure the directive is present
89 	 */
90 	sopt = 0;
91 	while ((c = getopt(ac, av, "dhm:p:vxys:DPM:NS")) != -1) {
92 		switch(c) {
93 		case 'x':
94 			++OverridePkgDeleteOpt;
95 			break;
96 		case 'y':
97 			++YesOpt;
98 			break;
99 		case 'D':
100 			WorkerProcFlags |= WORKER_PROC_DEVELOPER;
101 			break;
102 		case 'P':
103 			WorkerProcFlags |= WORKER_PROC_CHECK_PLIST;
104 			break;
105 		case 'S':
106 			UseNCurses = 0;
107 			if (++sopt == 2)
108 				ColorOpt = 0;
109 			break;
110 		case 'N':
111 			NiceOpt = 0;
112 			break;
113 		case 'd':
114 			++DebugOpt;
115 			if (DebugOpt >= 2)
116 				UseNCurses = 0;
117 			break;
118 		case 'h':
119 			usage(0);
120 			/* NOT REACHED */
121 			exit(0);
122 		case 'v':
123 			printf("dsynth %s\n", DSYNTH_VERSION);
124 			exit(0);
125 		case 's':
126 			/*
127 			 * Start with N jobs, increasing to the configured
128 			 * maximum slowly.  0 to disable (starts with the
129 			 * full count).
130 			 */
131 			SlowStartOpt = strtol(optarg, NULL, 0);
132 			break;
133 		case 'm':
134 			PkgDepMemoryTarget = strtoul(optarg, NULL, 0);
135 			PkgDepMemoryTarget *= ONEGB;
136 			break;
137 		case 'M':
138 			PkgDepScaleTarget = strtod(optarg, NULL) * 100;
139 			if (PkgDepScaleTarget < 1)
140 				PkgDepScaleTarget = 1;
141 			if (PkgDepScaleTarget > 9900)
142 				PkgDepScaleTarget = 9900;
143 			break;
144 		case 'p':
145 			ProfileOverrideOpt = optarg;
146 			break;
147 		default:
148 			fprintf(stderr, "Unknown option: %c\n", c);
149 			usage(2);
150 			/* NOT REACHED */
151 			break;
152 		}
153 	}
154 	ac -= optind;
155 	av += optind;
156 	pkgs = NULL;
157 	if (ac < 1) {
158 		fprintf(stderr, "Missing directive\n");
159 		usage(2);
160 		/* NOT REACHED */
161 	}
162 
163 	/*
164 	 * Directives which do not require a working configuration
165 	 */
166 	if (strcmp(av[0], "init") == 0) {
167 		DoInit();
168 		exit(0);
169 		/* NOT REACHED */
170 	}
171 	if (strcmp(av[0], "help") == 0) {
172 		usage(0);
173 		exit(0);
174 		/* NOT REACHED */
175 	}
176 	if (strcmp(av[0], "version") == 0) {
177 		printf("dsynth %s\n", DSYNTH_VERSION);
178 		exit(0);
179 		/* NOT REACHED */
180 	}
181 
182 	/*
183 	 * Preconfiguration.
184 	 */
185 	if (strcmp(av[0], "WORKER") == 0) {
186 		isworker = 1;
187 	} else {
188 		isworker = 0;
189 	}
190 
191 	signal(SIGPIPE, SIG_IGN);
192 	ParseConfiguration(isworker);
193 
194 	/*
195 	 * Setup some environment for bulk operations (pkglist scan).
196 	 * These are not used by the builder (the builder will replicate
197 	 * all of these).
198 	 */
199 	addbuildenv("PORTSDIR", DPortsPath,
200 		    BENV_ENVIRONMENT | BENV_PKGLIST);
201 	addbuildenv("BATCH", "yes",
202 		    BENV_ENVIRONMENT | BENV_PKGLIST);
203 	addbuildenv("PKG_SUFX", UsePkgSufx,
204 		    BENV_ENVIRONMENT | BENV_PKGLIST);
205 	addbuildenv("PACKAGE_BUILDING", "yes",
206 		    BENV_ENVIRONMENT | BENV_PKGLIST);
207 	addbuildenv("ARCH", ArchitectureName,
208 		    BENV_ENVIRONMENT | BENV_PKGLIST);
209 
210 #if 0
211 	/*
212 	 *
213 	 */
214 	addbuildenv("OSTYPE", OperatingSystemName,
215 		    BENV_ENVIRONMENT | BENV_PKGLIST);
216 	addbuildenv("MACHTYPE", MachineName,
217 		    BENV_ENVIRONMENT | BENV_PKGLIST);
218 #endif
219 	/*
220 	 * SlowStart auto adjust.  We nominally start with 1 job and increase
221 	 * it to the maximum every 5 seconds to give various dynamic management
222 	 * parameters time to stabilize.
223 	 *
224 	 * This can take a while on a many-core box with a high jobs setting,
225 	 * so increase the initial jobs in such cases.
226 	 */
227 	if (SlowStartOpt > MaxWorkers)
228 		SlowStartOpt = MaxWorkers;
229 	if (SlowStartOpt < 0) {
230 		if (MaxWorkers < 16)
231 			SlowStartOpt = 1;
232 		else
233 			SlowStartOpt = MaxWorkers / 4;
234 	}
235 
236 	/*
237 	 * Special directive for when dsynth execs itself to manage
238 	 * a worker chroot.
239 	 */
240 	if (isworker) {
241 		WorkerProcess(ac, av);
242 		exit(0);
243 	}
244 
245 	/*
246 	 * Build initialization and directive handling
247 	 */
248 	DoInitBuild(-1);
249 
250 	/*
251 	 * Directives that use the configuration but are not interlocked
252 	 * against a running dsynth.
253 	 */
254 	if (strcmp(av[0], "monitor") == 0) {
255 		char *spath;
256 		char *lpath;
257 
258 		if (ac == 1) {
259 			asprintf(&spath, "%s/%s", StatsBase, STATS_FILE);
260 			asprintf(&lpath, "%s/%s", StatsBase, STATS_LOCKFILE);
261 			MonitorDirective(spath, lpath);
262 			free(spath);
263 			free(lpath);
264 		} else {
265 			MonitorDirective(av[1], NULL);
266 		}
267 		exit(0);
268 		/* NOT REACHED */
269 	}
270 
271 	/*
272 	 * Front-end exec (not a WORKER exec), normal startup.  We have
273 	 * the configuration so the first thing we need to do is check
274 	 * the lock file.
275 	 */
276 	{
277 		char *lkpath;
278 		int fd;
279 
280 		asprintf(&lkpath, "%s/.lock", BuildBase);
281 		fd = open(lkpath, O_RDWR | O_CREAT | O_CLOEXEC, 0644);
282 		if (fd < 0)
283 			dfatal_errno("Unable to create %s", lkpath);
284 		if (flock(fd, LOCK_EX | LOCK_NB) < 0) {
285 			dfatal("Another dsynth is using %s, exiting",
286 			       BuildBase);
287 		}
288 		/* leave descriptor open */
289 	}
290 
291 	if (strcmp(av[0], "debug") == 0) {
292 		DoCleanBuild(1);
293 		OptimizeEnv();
294 		pkgs = ParsePackageList(ac - 1, av + 1, 1);
295 		RemovePackages(pkgs);
296 		DoBuild(pkgs);
297 	} else if (strcmp(av[0], "status") == 0) {
298 		OptimizeEnv();
299 		if (ac - 1)
300 			pkgs = ParsePackageList(ac - 1, av + 1, 0);
301 		else
302 			pkgs = GetLocalPackageList();
303 		DoStatus(pkgs);
304 	} else if (strcmp(av[0], "cleanup") == 0) {
305 		DoCleanBuild(0);
306 	} else if (strcmp(av[0], "configure") == 0) {
307 		DoCleanBuild(0);
308 		DoConfigure();
309 	} else if (strcmp(av[0], "upgrade-system") == 0) {
310 		DoCleanBuild(1);
311 		OptimizeEnv();
312 		pkgs = GetLocalPackageList();
313 		DoBuild(pkgs);
314 		DoRebuildRepo(0);
315 		DoUpgradePkgs(pkgs, 0);
316 	} else if (strcmp(av[0], "prepare-system") == 0) {
317 		DeleteObsoletePkgs = 1;
318 		DoCleanBuild(1);
319 		OptimizeEnv();
320 		pkgs = GetLocalPackageList();
321 		DoBuild(pkgs);
322 		DoRebuildRepo(0);
323 	} else if (strcmp(av[0], "rebuild-repository") == 0) {
324 		OptimizeEnv();
325 		DoRebuildRepo(0);
326 	} else if (strcmp(av[0], "purge-distfiles") == 0) {
327 		OptimizeEnv();
328 		pkgs = GetFullPackageList();
329 		PurgeDistfiles(pkgs);
330 	} else if (strcmp(av[0], "reset-db") == 0) {
331 		char *dbmpath;
332 
333 		asprintf(&dbmpath, "%s/ports_crc.db", BuildBase);
334 		remove(dbmpath);
335 		printf("%s reset, will be regenerated on next build\n",
336 		       dbmpath);
337 		free(dbmpath);
338 	} else if (strcmp(av[0], "status-everything") == 0) {
339 		OptimizeEnv();
340 		pkgs = GetFullPackageList();
341 		DoStatus(pkgs);
342 	} else if (strcmp(av[0], "everything") == 0) {
343 		if (WorkerProcFlags & WORKER_PROC_DEVELOPER)
344 			WorkerProcFlags |= WORKER_PROC_CHECK_PLIST;
345 		MaskProbeAbort = 1;
346 		DeleteObsoletePkgs = 1;
347 		DoCleanBuild(1);
348 		OptimizeEnv();
349 		pkgs = GetFullPackageList();
350 		DoBuild(pkgs);
351 		DoRebuildRepo(1);
352 	} else if (strcmp(av[0], "build") == 0) {
353 		DoCleanBuild(1);
354 		OptimizeEnv();
355 		pkgs = ParsePackageList(ac - 1, av + 1, 0);
356 		DoBuild(pkgs);
357 		DoRebuildRepo(1);
358 		DoUpgradePkgs(pkgs, 1);
359 	} else if (strcmp(av[0], "just-build") == 0) {
360 		DoCleanBuild(1);
361 		OptimizeEnv();
362 		pkgs = ParsePackageList(ac - 1, av + 1, 0);
363 		DoBuild(pkgs);
364 	} else if (strcmp(av[0], "install") == 0) {
365 		DoCleanBuild(1);
366 		OptimizeEnv();
367 		pkgs = ParsePackageList(ac - 1, av + 1, 0);
368 		DoBuild(pkgs);
369 		DoRebuildRepo(0);
370 		DoUpgradePkgs(pkgs, 0);
371 	} else if (strcmp(av[0], "force") == 0) {
372 		DoCleanBuild(1);
373 		OptimizeEnv();
374 		pkgs = ParsePackageList(ac - 1, av + 1, 0);
375 		RemovePackages(pkgs);
376 		DoBuild(pkgs);
377 		DoRebuildRepo(1);
378 		DoUpgradePkgs(pkgs, 1);
379 	} else if (strcmp(av[0], "test") == 0) {
380 		WorkerProcFlags |= WORKER_PROC_CHECK_PLIST | WORKER_PROC_INSTALL | WORKER_PROC_DEINSTALL;
381 		DoCleanBuild(1);
382 		OptimizeEnv();
383 		pkgs = ParsePackageList(ac - 1, av + 1, 0);
384 		RemovePackages(pkgs);
385 		WorkerProcFlags |= WORKER_PROC_DEVELOPER;
386 		DoBuild(pkgs);
387 	} else {
388 		fprintf(stderr, "Unknown directive '%s'\n", av[0]);
389 		usage(2);
390 	}
391 	return 0;
392 }
393 
394 static void
395 DoInit(void)
396 {
397 	struct stat st;
398 	char *path;
399 	FILE *fp;
400 
401 	if (stat(ConfigBase1, &st) == 0) {
402 		dfatal("init will not overwrite %s", ConfigBase1);
403 	}
404 	if (stat(ConfigBase2, &st) == 0) {
405 		dfatal("init will not create %s if %s exists",
406 		       ConfigBase2, ConfigBase1);
407 	}
408 	if (mkdir(ConfigBase1, 0755) < 0)
409 		dfatal_errno("Unable to mkdir %s", ConfigBase1);
410 
411 	asprintf(&path, "%s/dsynth.ini", ConfigBase1);
412 	fp = fopen(path, "w");
413 	dassert_errno(fp, "Unable to create %s", path);
414 	fprintf(fp, "%s",
415 	    "; This Synth configuration file is automatically generated\n"
416 	    "; Take care when hand editing!\n"
417 	    "\n"
418 	    "[Global Configuration]\n"
419 	    "profile_selected= LiveSystem\n"
420 	    "\n"
421 	    "[LiveSystem]\n"
422 	    "Operating_system= DragonFly\n"
423 	    "Directory_packages= /build/synth/live_packages\n"
424 	    "Directory_repository= /build/synth/live_packages/All\n"
425 	    "Directory_portsdir= /build/synth/dports\n"
426 	    "Directory_options= /build/synth/options\n"
427 	    "Directory_distfiles= /build/synth/distfiles\n"
428 	    "Directory_buildbase= /build/synth/build\n"
429 	    "Directory_logs= /build/synth/logs\n"
430 	    "Directory_ccache= disabled\n"
431 	    "Directory_system= /\n"
432 	    "Package_suffix= .txz\n"
433 	    "Number_of_builders= 0\n"
434 	    "Max_jobs_per_builder= 0\n"
435 	    "Tmpfs_workdir= true\n"
436 	    "Tmpfs_localbase= true\n"
437 	    "Display_with_ncurses= true\n"
438 	    "leverage_prebuilt= false\n"
439 	    "\n");
440 	if (fclose(fp))
441 		dfatal_errno("Unable to write to %s\n", ConfigBase1);
442 	free(path);
443 
444 	asprintf(&path, "%s/LiveSystem-make.conf", ConfigBase1);
445 	fp = fopen(path, "w");
446 	dassert_errno(fp, "Unable to create %s", path);
447 	fprintf(fp, "%s",
448 	    "#\n"
449 	    "# Various dports options that might be of interest\n"
450 	    "#\n"
451 	    "#LICENSES_ACCEPTED=      NONE\n"
452 	    "#DISABLE_LICENSES=       yes\n"
453 	    "#DEFAULT_VERSIONS=       ssl=openssl\n"
454 	    "#FORCE_PACKAGE=          yes\n"
455 	    "#DPORTS_BUILDER=         yes\n"
456 	    "#\n"
457 	    "# Turn these on to generate debug binaries.  However, these\n"
458 	    "# options will seriously bloat memory use and storage use,\n"
459 	    "# do not use lightly\n"
460 	    "#\n"
461 	    "#STRIP=\n"
462 	    "#WITH_DEBUG=yes\n"
463 	);
464 	if (fclose(fp))
465 		dfatal_errno("Unable to write to %s\n", ConfigBase1);
466 	free(path);
467 }
468 
469 __dead2 static void
470 usage(int ecode)
471 {
472 	if (ecode == 2) {
473 		fprintf(stderr, "Run 'dsynth help' for usage\n");
474 		exit(1);
475 	}
476 
477 	fprintf(stderr,
478     "dsynth [options] directive\n"
479     "    -d                   - Debug verbosity (-dd disables ncurses)\n"
480     "    -h                   - Display this screen and exit\n"
481     "    -m gb                - Load management based on pkgdep memory\n"
482     "    -p profile           - Override profile selected in dsynth.ini\n"
483     "    -s n                 - Set initial DynamicMaxWorkers\n"
484     "    -v                   - Print version info and exit\n"
485     "    -x                   - Do not rebuild packages with dependencies\n"
486     "                           which require rebuilding\n"
487     "    -xx                  - Do not rebuild packages whos dports trees\n"
488     "                           change\n"
489     "    -y                   - Automatically answer yes to dsynth questions\n"
490     "    -D                   - Enable DEVELOPER mode\n"
491     "    -P                   - Include the check-plist stage\n"
492     "    -S                   - Disable ncurses\n"
493     "    -N                   - Do not nice-up sub-processes (else nice +10)\n"
494     "\n"
495     "    init                 - Initialize /etc/dsynth\n"
496     "    status               - Dry-run of 'upgrade-system'\n"
497     "    cleanup              - Clean-up mounts\n"
498     "    configure            - Bring up configuration menu\n"
499     "    upgrade-system       - Incremental build and upgrade using pkg list\n"
500     "                           from local system, then upgrade the local\n"
501     "                           system.\n"
502     "    prepare-system       - 'upgrade-system' but stops after building\n"
503     "    rebuild-repository   - Rebuild database files for current repository\n"
504     "    purge-distfiles      - Delete obsolete source distribution files\n"
505     "    reset-db             - Delete ports_crc.db, regenerate next build\n"
506     "    status-everything    - Dry-run of 'everything'\n"
507     "    everything           - Build entire dports tree and repo database\n"
508     "				(-D everything infers -P)\n"
509     "    version              - Print version info and exit\n"
510     "    help                 - Display this screen and exit\n"
511     "    status     [ports]   - Dry-run of 'build' with given list\n"
512     "    build      [ports]   - Incrementally build dports based on the given\n"
513     "                           list, but asks before updating the repo\n"
514     "                           database and system\n"
515     "    just-build [ports]   - 'build' but skips post-build steps\n"
516     "    install    [ports]   - 'build' but upgrades system without asking\n"
517     "    force      [ports]   - 'build' but deletes existing packages first\n"
518     "    test       [ports]   - 'build' w/DEVELOPER=yes and pre-deletes pkgs\n"
519     "				(also infers -P)\n"
520     "    debug      [ports]   - like 'test' but leaves mounts intact\n"
521     "    monitor    [datfile] - Monitor a running dsynth\n"
522     "\n"
523     "    [ports] is a space-delimited list of origins, e.g. editors/joe.  It\n"
524     "            may also be a path to a file containing one origin per line.\n"
525 	);
526 
527 	exit(ecode);
528 }
529