2 Bacula® - The Network Backup Solution
4 Copyright (C) 2008-2012 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));
235 /* Declare the job started to start the MaxRunTime check */
236 jcr->setJobStarted();
239 * Start the job prior to starting the message thread below
240 * to avoid two threads from using the BSOCK structure at
243 if (!sd->fsend("run")) {
248 * Now start a Storage daemon message thread
250 if (!start_storage_daemon_message_thread(jcr)) {
254 jcr->setJobStatus(JS_Running);
256 /* Pickup Job termination data */
257 /* Note, the SD stores in jcr->JobFiles/ReadBytes/JobBytes/JobErrors */
258 wait_for_storage_daemon_termination(jcr);
259 jcr->setJobStatus(jcr->SDJobStatus);
260 db_write_batch_file_records(jcr); /* used by bulk batch file insert */
261 if (jcr->JobStatus != JS_Terminated) {
265 vbackup_cleanup(jcr, jcr->JobStatus);
271 * Release resources allocated during backup.
273 void vbackup_cleanup(JCR *jcr, int TermCode)
275 char sdt[50], edt[50], schedt[50];
276 char ec1[30], ec3[30], ec4[30], compress[50];
277 char ec7[30], ec8[30], elapsed[50];
278 char term_code[100], sd_term_msg[100];
279 const char *term_msg;
280 int msg_type = M_INFO;
283 double kbps, compression;
285 POOL_MEM query(PM_MESSAGE);
287 Dmsg2(100, "Enter backup_cleanup %d %c\n", TermCode, TermCode);
288 memset(&cr, 0, sizeof(cr));
290 jcr->setJobLevel(L_FULL); /* we want this to appear as a Full backup */
291 jcr->jr.JobLevel = L_FULL; /* we want this to appear as a Full backup */
292 jcr->JobFiles = jcr->SDJobFiles;
293 jcr->JobBytes = jcr->SDJobBytes;
294 update_job_end(jcr, TermCode);
296 /* Update final items to set them to the previous job's values */
297 Mmsg(query, "UPDATE Job SET StartTime='%s',EndTime='%s',"
298 "JobTDate=%s WHERE JobId=%s",
299 jcr->previous_jr.cStartTime, jcr->previous_jr.cEndTime,
300 edit_uint64(jcr->previous_jr.JobTDate, ec1),
301 edit_uint64(jcr->JobId, ec3));
302 db_sql_query(jcr->db, query.c_str(), NULL, NULL);
304 /* Get the fully updated job record */
305 if (!db_get_job_record(jcr, jcr->db, &jcr->jr)) {
306 Jmsg(jcr, M_WARNING, 0, _("Error getting Job record for Job report: ERR=%s"),
307 db_strerror(jcr->db));
308 jcr->setJobStatus(JS_ErrorTerminated);
311 bstrncpy(cr.Name, jcr->client->name(), sizeof(cr.Name));
312 if (!db_get_client_record(jcr, jcr->db, &cr)) {
313 Jmsg(jcr, M_WARNING, 0, _("Error getting Client record for Job report: ERR=%s"),
314 db_strerror(jcr->db));
317 bstrncpy(mr.VolumeName, jcr->VolumeName, sizeof(mr.VolumeName));
318 if (!db_get_media_record(jcr, jcr->db, &mr)) {
319 Jmsg(jcr, M_WARNING, 0, _("Error getting Media record for Volume \"%s\": ERR=%s"),
320 mr.VolumeName, db_strerror(jcr->db));
321 jcr->setJobStatus(JS_ErrorTerminated);
324 update_bootstrap_file(jcr);
326 switch (jcr->JobStatus) {
328 if (jcr->JobErrors || jcr->SDErrors) {
329 term_msg = _("Backup OK -- with warnings");
331 term_msg = _("Backup OK");
335 case JS_ErrorTerminated:
336 term_msg = _("*** Backup Error ***");
337 msg_type = M_ERROR; /* Generate error message */
338 if (jcr->store_bsock) {
339 jcr->store_bsock->signal(BNET_TERMINATE);
340 if (jcr->SD_msg_chan) {
341 pthread_cancel(jcr->SD_msg_chan);
346 term_msg = _("Backup Canceled");
347 if (jcr->store_bsock) {
348 jcr->store_bsock->signal(BNET_TERMINATE);
349 if (jcr->SD_msg_chan) {
350 pthread_cancel(jcr->SD_msg_chan);
355 term_msg = term_code;
356 sprintf(term_code, _("Inappropriate term code: %c\n"), jcr->JobStatus);
359 bstrftimes(schedt, sizeof(schedt), jcr->jr.SchedTime);
360 bstrftimes(sdt, sizeof(sdt), jcr->jr.StartTime);
361 bstrftimes(edt, sizeof(edt), jcr->jr.EndTime);
362 RunTime = jcr->jr.EndTime - jcr->jr.StartTime;
366 kbps = ((double)jcr->jr.JobBytes) / (1000.0 * (double)RunTime);
368 if (!db_get_job_volume_names(jcr, jcr->db, jcr->jr.JobId, &jcr->VolumeName)) {
370 * Note, if the job has erred, most likely it did not write any
371 * tape, so suppress this "error" message since in that case
372 * it is normal. Or look at it the other way, only for a
373 * normal exit should we complain about this error.
375 if (jcr->JobStatus == JS_Terminated && jcr->jr.JobBytes) {
376 Jmsg(jcr, M_ERROR, 0, "%s", db_strerror(jcr->db));
378 jcr->VolumeName[0] = 0; /* none */
381 if (jcr->ReadBytes == 0) {
382 bstrncpy(compress, "None", sizeof(compress));
384 compression = (double)100 - 100.0 * ((double)jcr->JobBytes / (double)jcr->ReadBytes);
385 if (compression < 0.5) {
386 bstrncpy(compress, "None", sizeof(compress));
388 bsnprintf(compress, sizeof(compress), "%.1f %%", compression);
391 jobstatus_to_ascii(jcr->SDJobStatus, sd_term_msg, sizeof(sd_term_msg));
393 Jmsg(jcr, msg_type, 0, _("%s %s %s (%s):\n"
394 " Build OS: %s %s %s\n"
397 " Backup Level: Virtual Full\n"
398 " Client: \"%s\" %s\n"
399 " FileSet: \"%s\" %s\n"
400 " Pool: \"%s\" (From %s)\n"
401 " Catalog: \"%s\" (From %s)\n"
402 " Storage: \"%s\" (From %s)\n"
403 " Scheduled time: %s\n"
406 " Elapsed time: %s\n"
408 " SD Files Written: %s\n"
409 " SD Bytes Written: %s (%sB)\n"
411 " Volume name(s): %s\n"
412 " Volume Session Id: %d\n"
413 " Volume Session Time: %d\n"
414 " Last Volume Bytes: %s (%sB)\n"
416 " SD termination status: %s\n"
417 " Termination: %s\n\n"),
418 BACULA, my_name, VERSION, LSMDATE,
419 HOST_OS, DISTNAME, DISTVER,
422 jcr->client->name(), cr.Uname,
423 jcr->fileset->name(), jcr->FSCreateTime,
424 jcr->pool->name(), jcr->pool_source,
425 jcr->catalog->name(), jcr->catalog_source,
426 jcr->wstore->name(), jcr->wstore_source,
430 edit_utime(RunTime, elapsed, sizeof(elapsed)),
432 edit_uint64_with_commas(jcr->jr.JobFiles, ec1),
433 edit_uint64_with_commas(jcr->jr.JobBytes, ec3),
434 edit_uint64_with_suffix(jcr->jr.JobBytes, ec4),
439 edit_uint64_with_commas(mr.VolBytes, ec7),
440 edit_uint64_with_suffix(mr.VolBytes, ec8),
445 Dmsg0(100, "Leave vbackup_cleanup()\n");
449 * This callback routine is responsible for inserting the
450 * items it gets into the bootstrap structure. For each JobId selected
451 * this routine is called once for each file. We do not allow
452 * duplicate filenames, but instead keep the info from the most
453 * recent file entered (i.e. the JobIds are assumed to be sorted)
455 * See uar_sel_files in sql_cmds.c for query that calls us.
456 * row[0]=Path, row[1]=Filename, row[2]=FileIndex
457 * row[3]=JobId row[4]=LStat
459 int insert_bootstrap_handler(void *ctx, int num_fields, char **row)
463 RBSR *bsr = (RBSR *)ctx;
465 JobId = str_to_int64(row[3]);
466 FileIndex = str_to_int64(row[2]);
467 add_findex(bsr, JobId, FileIndex);
472 static bool create_bootstrap_file(JCR *jcr, char *jobids)
477 memset(&rx, 0, sizeof(rx));
479 ua = new_ua_context(jcr);
482 #define new_get_file_list
483 #ifdef new_get_file_list
484 if (!db_open_batch_connexion(jcr, jcr->db)) {
485 Jmsg0(jcr, M_FATAL, 0, "Can't get batch sql connexion");
489 if (!db_get_file_list(jcr, jcr->db_batch, jobids, false /* don't use md5 */,
490 true /* use delta */,
491 insert_bootstrap_handler, (void *)rx.bsr))
493 Jmsg(jcr, M_ERROR, 0, "%s", db_strerror(jcr->db_batch));
497 JobId_t JobId, last_JobId = 0;
498 rx.query = get_pool_memory(PM_MESSAGE);
499 for (p=rx.JobIds; get_next_jobid_from_list(&p, &JobId) > 0; ) {
502 if (JobId == last_JobId) {
503 continue; /* eliminate duplicate JobIds */
507 * Find files for this JobId and insert them in the tree
509 Mmsg(rx.query, uar_sel_files, edit_int64(JobId, ed1));
510 Dmsg1(100, "uar_sel_files=%s\n", rx.query);
511 if (!db_sql_query(ua->db, rx.query, insert_bootstrap_handler, (void *)rx.bsr)) {
512 Jmsg(jcr, M_ERROR, 0, "%s", db_strerror(ua->db));
514 free_pool_memory(rx.query);
519 complete_bsr(ua, rx.bsr);
520 jcr->ExpectedFiles = write_bsr_file(ua, rx);
521 if (debug_level >= 10) {
522 Dmsg1(000, "Found %d files to consolidate.\n", jcr->ExpectedFiles);
524 if (jcr->ExpectedFiles == 0) {