2 Bacula® - The Network Backup Solution
4 Copyright (C) 2008-2011 Free Software Foundation Europe e.V.
6 The main author of Bacula is Kern Sibbald, with contributions from
7 many others, a complete list can be found in the file AUTHORS.
8 This program is Free Software; you can redistribute it and/or
9 modify it under the terms of version three of the GNU Affero General Public
10 License as published by the Free Software Foundation and included
13 This program is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU Affero General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
23 Bacula® is a registered trademark of Kern Sibbald.
24 The licensor of Bacula is the Free Software Foundation Europe
25 (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
26 Switzerland, email:ftf@fsfeurope.org.
30 * Bacula Director -- vbackup.c -- responsible for doing virtual
31 * backup jobs or in other words, consolidation or synthetic
34 * Kern Sibbald, July MMVIII
36 * Basic tasks done here:
37 * Open DB and create records for this job.
38 * Figure out what Jobs to copy.
39 * Open Message Channel with Storage daemon to tell him a job will be starting.
40 * Open connection with File daemon and pass him commands
42 * When the File daemon finishes the job, update the DB.
50 static const int dbglevel = 10;
52 static bool create_bootstrap_file(JCR *jcr, char *jobids);
53 void vbackup_cleanup(JCR *jcr, int TermCode);
56 * Called here before the job is run to do the job
59 bool do_vbackup_init(JCR *jcr)
62 if (!get_or_create_fileset_record(jcr)) {
63 Dmsg1(dbglevel, "JobId=%d no FileSet\n", (int)jcr->JobId);
67 apply_pool_overrides(jcr);
69 if (!allow_duplicate_job(jcr)) {
73 jcr->jr.PoolId = get_or_create_pool_record(jcr, jcr->pool->name());
74 if (jcr->jr.PoolId == 0) {
75 Dmsg1(dbglevel, "JobId=%d no PoolId\n", (int)jcr->JobId);
76 Jmsg(jcr, M_FATAL, 0, _("Could not get or create a Pool record.\n"));
80 * Note, at this point, pool is the pool for this job. We
81 * transfer it to rpool (read pool), and a bit later,
82 * pool will be changed to point to the write pool,
83 * which comes from pool->NextPool.
85 jcr->rpool = jcr->pool; /* save read pool */
86 pm_strcpy(jcr->rpool_source, jcr->pool_source);
88 /* If pool storage specified, use it for restore */
89 copy_rstorage(jcr, jcr->pool->storage, _("Pool resource"));
91 Dmsg2(dbglevel, "Read pool=%s (From %s)\n", jcr->rpool->name(), jcr->rpool_source);
93 jcr->start_time = time(NULL);
94 jcr->jr.StartTime = jcr->start_time;
95 jcr->jr.JobLevel = L_FULL; /* we want this to appear as a Full backup */
96 if (!db_update_job_start_record(jcr, jcr->db, &jcr->jr)) {
97 Jmsg(jcr, M_FATAL, 0, "%s", db_strerror(jcr->db));
102 * If the original backup pool has a NextPool, make sure a
103 * record exists in the database. Note, in this case, we
104 * will be backing up from pool to pool->NextPool.
106 if (jcr->pool->NextPool) {
107 jcr->jr.PoolId = get_or_create_pool_record(jcr, jcr->pool->NextPool->name());
108 if (jcr->jr.PoolId == 0) {
112 if (!set_migration_wstorage(jcr, jcr->pool)) {
115 jcr->pool = jcr->pool->NextPool;
116 pm_strcpy(jcr->pool_source, _("Job Pool's NextPool resource"));
118 Dmsg2(dbglevel, "Write pool=%s read rpool=%s\n", jcr->pool->name(), jcr->rpool->name());
120 // create_clones(jcr);
126 * Do a virtual backup, which consolidates all previous backups into
127 * a sort of synthetic Full.
129 * Returns: false on failure
132 bool do_vbackup(JCR *jcr)
139 Dmsg2(100, "rstorage=%p wstorage=%p\n", jcr->rstorage, jcr->wstorage);
140 Dmsg2(100, "Read store=%s, write store=%s\n",
141 ((STORE *)jcr->rstorage->first())->name(),
142 ((STORE *)jcr->wstorage->first())->name());
144 jcr->wasVirtualFull = true; /* remember where we came from */
146 /* Print Job Start message */
147 Jmsg(jcr, M_INFO, 0, _("Start Virtual Backup JobId %s, Job=%s\n"),
148 edit_uint64(jcr->JobId, ed1), jcr->Job);
149 if (!jcr->accurate) {
150 Jmsg(jcr, M_WARNING, 0,
151 _("This Job is not an Accurate backup so is not equivalent to a Full backup.\n"));
154 jcr->jr.JobLevel = L_VIRTUAL_FULL;
155 db_accurate_get_jobids(jcr, jcr->db, &jcr->jr, &jobids);
156 Dmsg1(10, "Accurate jobids=%s\n", jobids.list);
157 if (jobids.count == 0) {
158 Jmsg(jcr, M_FATAL, 0, _("No previous Jobs found.\n"));
162 jcr->jr.JobLevel = L_FULL;
165 * Now we find the last job that ran and store it's info in
166 * the previous_jr record. We will set our times to the
167 * values from that job so that anything changed after that
168 * time will be picked up on the next backup.
170 p = strrchr(jobids.list, ','); /* find last jobid */
176 memset(&jcr->previous_jr, 0, sizeof(jcr->previous_jr));
177 jcr->previous_jr.JobId = str_to_int64(p);
178 Dmsg1(10, "Previous JobId=%s\n", p);
179 if (!db_get_job_record(jcr, jcr->db, &jcr->previous_jr)) {
180 Jmsg(jcr, M_FATAL, 0, _("Error getting Job record for previous Job: ERR=%s"),
181 db_strerror(jcr->db));
185 if (!create_bootstrap_file(jcr, jobids.list)) {
186 Jmsg(jcr, M_FATAL, 0, _("Could not get or create the FileSet record.\n"));
191 * Open a message channel connection with the Storage
192 * daemon. This is to let him know that our client
193 * will be contacting him for a backup session.
196 Dmsg0(110, "Open connection with storage daemon\n");
197 jcr->setJobStatus(JS_WaitSD);
199 * Start conversation with Storage daemon
201 if (!connect_to_storage_daemon(jcr, 10, SDConnectTimeout, 1)) {
204 sd = jcr->store_bsock;
207 * Now start a job with the Storage daemon
209 if (!start_storage_daemon_job(jcr, jcr->rstorage, jcr->wstorage, /*send_bsr*/true)) {
212 Dmsg0(100, "Storage daemon connection OK\n");
215 * We re-update the job start record so that the start
216 * time is set after the run before job. This avoids
217 * that any files created by the run before job will
218 * be saved twice. They will be backed up in the current
219 * job, but not in the next one unless they are changed.
220 * Without this, they will be backed up in this job and
221 * in the next job run because in that case, their date
222 * is after the start of this run.
224 jcr->start_time = time(NULL);
225 jcr->jr.StartTime = jcr->start_time;
226 jcr->jr.JobTDate = jcr->start_time;
227 jcr->setJobStatus(JS_Running);
229 /* Update job start record */
230 if (!db_update_job_start_record(jcr, jcr->db, &jcr->jr)) {
231 Jmsg(jcr, M_FATAL, 0, "%s", db_strerror(jcr->db));
236 * Start the job prior to starting the message thread below
237 * to avoid two threads from using the BSOCK structure at
240 if (!sd->fsend("run")) {
245 * Now start a Storage daemon message thread
247 if (!start_storage_daemon_message_thread(jcr)) {
251 jcr->setJobStatus(JS_Running);
253 /* Pickup Job termination data */
254 /* Note, the SD stores in jcr->JobFiles/ReadBytes/JobBytes/JobErrors */
255 wait_for_storage_daemon_termination(jcr);
256 jcr->setJobStatus(jcr->SDJobStatus);
257 db_write_batch_file_records(jcr); /* used by bulk batch file insert */
258 if (jcr->JobStatus != JS_Terminated) {
262 vbackup_cleanup(jcr, jcr->JobStatus);
268 * Release resources allocated during backup.
270 void vbackup_cleanup(JCR *jcr, int TermCode)
272 char sdt[50], edt[50], schedt[50];
273 char ec1[30], ec3[30], ec4[30], compress[50];
274 char ec7[30], ec8[30], elapsed[50];
275 char term_code[100], sd_term_msg[100];
276 const char *term_msg;
277 int msg_type = M_INFO;
280 double kbps, compression;
282 POOL_MEM query(PM_MESSAGE);
284 Dmsg2(100, "Enter backup_cleanup %d %c\n", TermCode, TermCode);
285 memset(&mr, 0, sizeof(mr));
286 memset(&cr, 0, sizeof(cr));
288 jcr->setJobLevel(L_FULL); /* we want this to appear as a Full backup */
289 jcr->jr.JobLevel = L_FULL; /* we want this to appear as a Full backup */
290 jcr->JobFiles = jcr->SDJobFiles;
291 jcr->JobBytes = jcr->SDJobBytes;
292 update_job_end(jcr, TermCode);
294 /* Update final items to set them to the previous job's values */
295 Mmsg(query, "UPDATE Job SET StartTime='%s',EndTime='%s',"
296 "JobTDate=%s WHERE JobId=%s",
297 jcr->previous_jr.cStartTime, jcr->previous_jr.cEndTime,
298 edit_uint64(jcr->previous_jr.JobTDate, ec1),
299 edit_uint64(jcr->JobId, ec3));
300 db_sql_query(jcr->db, query.c_str(), NULL, NULL);
302 /* Get the fully updated job record */
303 if (!db_get_job_record(jcr, jcr->db, &jcr->jr)) {
304 Jmsg(jcr, M_WARNING, 0, _("Error getting Job record for Job report: ERR=%s"),
305 db_strerror(jcr->db));
306 jcr->setJobStatus(JS_ErrorTerminated);
309 bstrncpy(cr.Name, jcr->client->name(), sizeof(cr.Name));
310 if (!db_get_client_record(jcr, jcr->db, &cr)) {
311 Jmsg(jcr, M_WARNING, 0, _("Error getting Client record for Job report: ERR=%s"),
312 db_strerror(jcr->db));
315 bstrncpy(mr.VolumeName, jcr->VolumeName, sizeof(mr.VolumeName));
316 if (!db_get_media_record(jcr, jcr->db, &mr)) {
317 Jmsg(jcr, M_WARNING, 0, _("Error getting Media record for Volume \"%s\": ERR=%s"),
318 mr.VolumeName, db_strerror(jcr->db));
319 jcr->setJobStatus(JS_ErrorTerminated);
322 update_bootstrap_file(jcr);
324 switch (jcr->JobStatus) {
326 if (jcr->JobErrors || jcr->SDErrors) {
327 term_msg = _("Backup OK -- with warnings");
329 term_msg = _("Backup OK");
333 case JS_ErrorTerminated:
334 term_msg = _("*** Backup Error ***");
335 msg_type = M_ERROR; /* Generate error message */
336 if (jcr->store_bsock) {
337 jcr->store_bsock->signal(BNET_TERMINATE);
338 if (jcr->SD_msg_chan) {
339 pthread_cancel(jcr->SD_msg_chan);
344 term_msg = _("Backup Canceled");
345 if (jcr->store_bsock) {
346 jcr->store_bsock->signal(BNET_TERMINATE);
347 if (jcr->SD_msg_chan) {
348 pthread_cancel(jcr->SD_msg_chan);
353 term_msg = term_code;
354 sprintf(term_code, _("Inappropriate term code: %c\n"), jcr->JobStatus);
357 bstrftimes(schedt, sizeof(schedt), jcr->jr.SchedTime);
358 bstrftimes(sdt, sizeof(sdt), jcr->jr.StartTime);
359 bstrftimes(edt, sizeof(edt), jcr->jr.EndTime);
360 RunTime = jcr->jr.EndTime - jcr->jr.StartTime;
364 kbps = ((double)jcr->jr.JobBytes) / (1000.0 * (double)RunTime);
366 if (!db_get_job_volume_names(jcr, jcr->db, jcr->jr.JobId, &jcr->VolumeName)) {
368 * Note, if the job has erred, most likely it did not write any
369 * tape, so suppress this "error" message since in that case
370 * it is normal. Or look at it the other way, only for a
371 * normal exit should we complain about this error.
373 if (jcr->JobStatus == JS_Terminated && jcr->jr.JobBytes) {
374 Jmsg(jcr, M_ERROR, 0, "%s", db_strerror(jcr->db));
376 jcr->VolumeName[0] = 0; /* none */
379 if (jcr->ReadBytes == 0) {
380 bstrncpy(compress, "None", sizeof(compress));
382 compression = (double)100 - 100.0 * ((double)jcr->JobBytes / (double)jcr->ReadBytes);
383 if (compression < 0.5) {
384 bstrncpy(compress, "None", sizeof(compress));
386 bsnprintf(compress, sizeof(compress), "%.1f %%", compression);
389 jobstatus_to_ascii(jcr->SDJobStatus, sd_term_msg, sizeof(sd_term_msg));
391 Jmsg(jcr, msg_type, 0, _("%s %s %s (%s):\n"
392 " Build OS: %s %s %s\n"
395 " Backup Level: Virtual Full\n"
396 " Client: \"%s\" %s\n"
397 " FileSet: \"%s\" %s\n"
398 " Pool: \"%s\" (From %s)\n"
399 " Catalog: \"%s\" (From %s)\n"
400 " Storage: \"%s\" (From %s)\n"
401 " Scheduled time: %s\n"
404 " Elapsed time: %s\n"
406 " SD Files Written: %s\n"
407 " SD Bytes Written: %s (%sB)\n"
409 " Volume name(s): %s\n"
410 " Volume Session Id: %d\n"
411 " Volume Session Time: %d\n"
412 " Last Volume Bytes: %s (%sB)\n"
414 " SD termination status: %s\n"
415 " Termination: %s\n\n"),
416 BACULA, my_name, VERSION, LSMDATE,
417 HOST_OS, DISTNAME, DISTVER,
420 jcr->client->name(), cr.Uname,
421 jcr->fileset->name(), jcr->FSCreateTime,
422 jcr->pool->name(), jcr->pool_source,
423 jcr->catalog->name(), jcr->catalog_source,
424 jcr->wstore->name(), jcr->wstore_source,
428 edit_utime(RunTime, elapsed, sizeof(elapsed)),
430 edit_uint64_with_commas(jcr->jr.JobFiles, ec1),
431 edit_uint64_with_commas(jcr->jr.JobBytes, ec3),
432 edit_uint64_with_suffix(jcr->jr.JobBytes, ec4),
437 edit_uint64_with_commas(mr.VolBytes, ec7),
438 edit_uint64_with_suffix(mr.VolBytes, ec8),
443 Dmsg0(100, "Leave vbackup_cleanup()\n");
447 * This callback routine is responsible for inserting the
448 * items it gets into the bootstrap structure. For each JobId selected
449 * this routine is called once for each file. We do not allow
450 * duplicate filenames, but instead keep the info from the most
451 * recent file entered (i.e. the JobIds are assumed to be sorted)
453 * See uar_sel_files in sql_cmds.c for query that calls us.
454 * row[0]=Path, row[1]=Filename, row[2]=FileIndex
455 * row[3]=JobId row[4]=LStat
457 int insert_bootstrap_handler(void *ctx, int num_fields, char **row)
461 RBSR *bsr = (RBSR *)ctx;
463 JobId = str_to_int64(row[3]);
464 FileIndex = str_to_int64(row[2]);
465 add_findex(bsr, JobId, FileIndex);
470 static bool create_bootstrap_file(JCR *jcr, char *jobids)
475 memset(&rx, 0, sizeof(rx));
477 ua = new_ua_context(jcr);
480 #define new_get_file_list
481 #ifdef new_get_file_list
482 if (!db_open_batch_connexion(jcr, jcr->db)) {
483 Jmsg0(jcr, M_FATAL, 0, "Can't get batch sql connexion");
487 if (!db_get_file_list(jcr, jcr->db_batch, jobids, false /* don't use md5 */,
488 true /* use delta */,
489 insert_bootstrap_handler, (void *)rx.bsr))
491 Jmsg(jcr, M_ERROR, 0, "%s", db_strerror(jcr->db_batch));
495 JobId_t JobId, last_JobId = 0;
496 rx.query = get_pool_memory(PM_MESSAGE);
497 for (p=rx.JobIds; get_next_jobid_from_list(&p, &JobId) > 0; ) {
500 if (JobId == last_JobId) {
501 continue; /* eliminate duplicate JobIds */
505 * Find files for this JobId and insert them in the tree
507 Mmsg(rx.query, uar_sel_files, edit_int64(JobId, ed1));
508 Dmsg1(100, "uar_sel_files=%s\n", rx.query);
509 if (!db_sql_query(ua->db, rx.query, insert_bootstrap_handler, (void *)rx.bsr)) {
510 Jmsg(jcr, M_ERROR, 0, "%s", db_strerror(ua->db));
512 free_pool_memory(rx.query);
517 complete_bsr(ua, rx.bsr);
518 jcr->ExpectedFiles = write_bsr_file(ua, rx);
519 if (debug_level >= 10) {
520 Dmsg1(000, "Found %d files to consolidate.\n", jcr->ExpectedFiles);
522 if (jcr->ExpectedFiles == 0) {