2 Bacula® - The Network Backup Solution
4 Copyright (C) 2008-2009 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 two of the GNU 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 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.
51 static const int dbglevel = 10;
53 static bool create_bootstrap_file(JCR *jcr, char *jobids);
54 void vbackup_cleanup(JCR *jcr, int TermCode);
57 * Called here before the job is run to do the job
60 bool do_vbackup_init(JCR *jcr)
63 if (!get_or_create_fileset_record(jcr)) {
64 Dmsg1(dbglevel, "JobId=%d no FileSet\n", (int)jcr->JobId);
68 apply_pool_overrides(jcr);
70 if (!allow_duplicate_job(jcr)) {
74 jcr->jr.PoolId = get_or_create_pool_record(jcr, jcr->pool->name());
75 if (jcr->jr.PoolId == 0) {
76 Dmsg1(dbglevel, "JobId=%d no PoolId\n", (int)jcr->JobId);
77 Jmsg(jcr, M_FATAL, 0, _("Could not get or create a Pool record.\n"));
81 * Note, at this point, pool is the pool for this job. We
82 * transfer it to rpool (read pool), and a bit later,
83 * pool will be changed to point to the write pool,
84 * which comes from pool->NextPool.
86 jcr->rpool = jcr->pool; /* save read pool */
87 pm_strcpy(jcr->rpool_source, jcr->pool_source);
89 /* If pool storage specified, use it for restore */
90 copy_rstorage(jcr, jcr->pool->storage, _("Pool resource"));
92 Dmsg2(dbglevel, "Read pool=%s (From %s)\n", jcr->rpool->name(), jcr->rpool_source);
94 jcr->start_time = time(NULL);
95 jcr->jr.StartTime = jcr->start_time;
96 jcr->jr.JobLevel = L_FULL; /* we want this to appear as a Full backup */
97 if (!db_update_job_start_record(jcr, jcr->db, &jcr->jr)) {
98 Jmsg(jcr, M_FATAL, 0, "%s", db_strerror(jcr->db));
103 * If the original backup pool has a NextPool, make sure a
104 * record exists in the database. Note, in this case, we
105 * will be backing up from pool to pool->NextPool.
107 if (jcr->pool->NextPool) {
108 jcr->jr.PoolId = get_or_create_pool_record(jcr, jcr->pool->NextPool->name());
109 if (jcr->jr.PoolId == 0) {
113 if (!set_migration_wstorage(jcr, jcr->pool)) {
116 jcr->pool = jcr->pool->NextPool;
117 pm_strcpy(jcr->pool_source, _("Job Pool's NextPool resource"));
119 Dmsg2(dbglevel, "Write pool=%s read rpool=%s\n", jcr->pool->name(), jcr->rpool->name());
121 // create_clones(jcr);
127 * Do a virtual backup, which consolidates all previous backups into
128 * a sort of synthetic Full.
130 * Returns: false on failure
133 bool do_vbackup(JCR *jcr)
140 Dmsg2(100, "rstorage=%p wstorage=%p\n", jcr->rstorage, jcr->wstorage);
141 Dmsg2(100, "Read store=%s, write store=%s\n",
142 ((STORE *)jcr->rstorage->first())->name(),
143 ((STORE *)jcr->wstorage->first())->name());
144 /* ***FIXME*** we really should simply verify that the pools are different */
146 if (((STORE *)jcr->rstorage->first())->name() == ((STORE *)jcr->wstorage->first())->name()) {
147 Jmsg(jcr, M_FATAL, 0, _("Read storage \"%s\" same as write storage.\n"),
148 ((STORE *)jcr->rstorage->first())->name());
153 /* Print Job Start message */
154 Jmsg(jcr, M_INFO, 0, _("Start Virtual Backup JobId %s, Job=%s\n"),
155 edit_uint64(jcr->JobId, ed1), jcr->Job);
156 if (!jcr->accurate) {
157 Jmsg(jcr, M_WARNING, 0,
158 _("This Job is not an Accurate backup so is not equivalent to a Full backup.\n"));
161 jcr->jr.JobLevel = L_VIRTUAL_FULL;
162 db_accurate_get_jobids(jcr, jcr->db, &jcr->jr, &jobids);
163 Dmsg1(10, "Accurate jobids=%s\n", jobids.list);
164 if (jobids.count == 0) {
165 Jmsg(jcr, M_FATAL, 0, _("No previous Jobs found.\n"));
169 jcr->jr.JobLevel = L_FULL;
172 * Now we find the last job that ran and store it's info in
173 * the previous_jr record. We will set our times to the
174 * values from that job so that anything changed after that
175 * time will be picked up on the next backup.
177 p = strrchr(jobids.list, ','); /* find last jobid */
183 memset(&jcr->previous_jr, 0, sizeof(jcr->previous_jr));
184 jcr->previous_jr.JobId = str_to_int64(p);
185 Dmsg1(10, "Previous JobId=%s\n", p);
186 if (!db_get_job_record(jcr, jcr->db, &jcr->previous_jr)) {
187 Jmsg(jcr, M_FATAL, 0, _("Error getting Job record for previous Job: ERR=%s"),
188 db_strerror(jcr->db));
192 if (!create_bootstrap_file(jcr, jobids.list)) {
193 Jmsg(jcr, M_FATAL, 0, _("Could not get or create the FileSet record.\n"));
198 * Open a message channel connection with the Storage
199 * daemon. This is to let him know that our client
200 * will be contacting him for a backup session.
203 Dmsg0(110, "Open connection with storage daemon\n");
204 set_jcr_job_status(jcr, JS_WaitSD);
206 * Start conversation with Storage daemon
208 if (!connect_to_storage_daemon(jcr, 10, SDConnectTimeout, 1)) {
211 sd = jcr->store_bsock;
214 * Now start a job with the Storage daemon
216 if (!start_storage_daemon_job(jcr, jcr->rstorage, jcr->wstorage, /*send_bsr*/true)) {
219 Dmsg0(100, "Storage daemon connection OK\n");
222 * We re-update the job start record so that the start
223 * time is set after the run before job. This avoids
224 * that any files created by the run before job will
225 * be saved twice. They will be backed up in the current
226 * job, but not in the next one unless they are changed.
227 * Without this, they will be backed up in this job and
228 * in the next job run because in that case, their date
229 * is after the start of this run.
231 jcr->start_time = time(NULL);
232 jcr->jr.StartTime = jcr->start_time;
233 jcr->jr.JobTDate = jcr->start_time;
234 set_jcr_job_status(jcr, JS_Running);
236 /* Update job start record */
237 if (!db_update_job_start_record(jcr, jcr->db, &jcr->jr)) {
238 Jmsg(jcr, M_FATAL, 0, "%s", db_strerror(jcr->db));
243 * Start the job prior to starting the message thread below
244 * to avoid two threads from using the BSOCK structure at
247 if (!sd->fsend("run")) {
252 * Now start a Storage daemon message thread
254 if (!start_storage_daemon_message_thread(jcr)) {
258 set_jcr_job_status(jcr, JS_Running);
260 /* Pickup Job termination data */
261 /* Note, the SD stores in jcr->JobFiles/ReadBytes/JobBytes/JobErrors */
262 wait_for_storage_daemon_termination(jcr);
263 set_jcr_job_status(jcr, jcr->SDJobStatus);
264 db_write_batch_file_records(jcr); /* used by bulk batch file insert */
265 if (jcr->JobStatus != JS_Terminated) {
269 vbackup_cleanup(jcr, jcr->JobStatus);
275 * Release resources allocated during backup.
277 void vbackup_cleanup(JCR *jcr, int TermCode)
279 char sdt[50], edt[50], schedt[50];
280 char ec1[30], ec3[30], ec4[30], compress[50];
281 char ec7[30], ec8[30], elapsed[50];
282 char term_code[100], sd_term_msg[100];
283 const char *term_msg;
284 int msg_type = M_INFO;
287 double kbps, compression;
289 POOL_MEM query(PM_MESSAGE);
291 Dmsg2(100, "Enter backup_cleanup %d %c\n", TermCode, TermCode);
292 memset(&mr, 0, sizeof(mr));
293 memset(&cr, 0, sizeof(cr));
295 jcr->set_JobLevel(L_FULL); /* we want this to appear as a Full backup */
296 jcr->jr.JobLevel = L_FULL; /* we want this to appear as a Full backup */
297 jcr->JobFiles = jcr->SDJobFiles;
298 jcr->JobBytes = jcr->SDJobBytes;
299 update_job_end(jcr, TermCode);
301 /* Update final items to set them to the previous job's values */
302 Mmsg(query, "UPDATE Job SET StartTime='%s',EndTime='%s',"
303 "JobTDate=%s WHERE JobId=%s",
304 jcr->previous_jr.cStartTime, jcr->previous_jr.cEndTime,
305 edit_uint64(jcr->previous_jr.JobTDate, ec1),
306 edit_uint64(jcr->JobId, ec3));
307 db_sql_query(jcr->db, query.c_str(), NULL, NULL);
309 /* Get the fully updated job record */
310 if (!db_get_job_record(jcr, jcr->db, &jcr->jr)) {
311 Jmsg(jcr, M_WARNING, 0, _("Error getting Job record for Job report: ERR=%s"),
312 db_strerror(jcr->db));
313 set_jcr_job_status(jcr, JS_ErrorTerminated);
316 bstrncpy(cr.Name, jcr->client->name(), sizeof(cr.Name));
317 if (!db_get_client_record(jcr, jcr->db, &cr)) {
318 Jmsg(jcr, M_WARNING, 0, _("Error getting Client record for Job report: ERR=%s"),
319 db_strerror(jcr->db));
322 bstrncpy(mr.VolumeName, jcr->VolumeName, sizeof(mr.VolumeName));
323 if (!db_get_media_record(jcr, jcr->db, &mr)) {
324 Jmsg(jcr, M_WARNING, 0, _("Error getting Media record for Volume \"%s\": ERR=%s"),
325 mr.VolumeName, db_strerror(jcr->db));
326 set_jcr_job_status(jcr, JS_ErrorTerminated);
329 update_bootstrap_file(jcr);
331 switch (jcr->JobStatus) {
333 if (jcr->JobErrors || jcr->SDErrors) {
334 term_msg = _("Backup OK -- with warnings");
336 term_msg = _("Backup OK");
340 case JS_ErrorTerminated:
341 term_msg = _("*** Backup Error ***");
342 msg_type = M_ERROR; /* Generate error message */
343 if (jcr->store_bsock) {
344 jcr->store_bsock->signal(BNET_TERMINATE);
345 if (jcr->SD_msg_chan) {
346 pthread_cancel(jcr->SD_msg_chan);
351 term_msg = _("Backup Canceled");
352 if (jcr->store_bsock) {
353 jcr->store_bsock->signal(BNET_TERMINATE);
354 if (jcr->SD_msg_chan) {
355 pthread_cancel(jcr->SD_msg_chan);
360 term_msg = term_code;
361 sprintf(term_code, _("Inappropriate term code: %c\n"), jcr->JobStatus);
364 bstrftimes(schedt, sizeof(schedt), jcr->jr.SchedTime);
365 bstrftimes(sdt, sizeof(sdt), jcr->jr.StartTime);
366 bstrftimes(edt, sizeof(edt), jcr->jr.EndTime);
367 RunTime = jcr->jr.EndTime - jcr->jr.StartTime;
371 kbps = ((double)jcr->jr.JobBytes) / (1000.0 * (double)RunTime);
373 if (!db_get_job_volume_names(jcr, jcr->db, jcr->jr.JobId, &jcr->VolumeName)) {
375 * Note, if the job has erred, most likely it did not write any
376 * tape, so suppress this "error" message since in that case
377 * it is normal. Or look at it the other way, only for a
378 * normal exit should we complain about this error.
380 if (jcr->JobStatus == JS_Terminated && jcr->jr.JobBytes) {
381 Jmsg(jcr, M_ERROR, 0, "%s", db_strerror(jcr->db));
383 jcr->VolumeName[0] = 0; /* none */
386 if (jcr->ReadBytes == 0) {
387 bstrncpy(compress, "None", sizeof(compress));
389 compression = (double)100 - 100.0 * ((double)jcr->JobBytes / (double)jcr->ReadBytes);
390 if (compression < 0.5) {
391 bstrncpy(compress, "None", sizeof(compress));
393 bsnprintf(compress, sizeof(compress), "%.1f %%", compression);
396 jobstatus_to_ascii(jcr->SDJobStatus, sd_term_msg, sizeof(sd_term_msg));
398 Jmsg(jcr, msg_type, 0, _("%s %s %s (%s): %s\n"
399 " Build OS: %s %s %s\n"
402 " Backup Level: Virtual Full\n"
403 " Client: \"%s\" %s\n"
404 " FileSet: \"%s\" %s\n"
405 " Pool: \"%s\" (From %s)\n"
406 " Catalog: \"%s\" (From %s)\n"
407 " Storage: \"%s\" (From %s)\n"
408 " Scheduled time: %s\n"
411 " Elapsed time: %s\n"
413 " SD Files Written: %s\n"
414 " SD Bytes Written: %s (%sB)\n"
416 " Volume name(s): %s\n"
417 " Volume Session Id: %d\n"
418 " Volume Session Time: %d\n"
419 " Last Volume Bytes: %s (%sB)\n"
421 " SD termination status: %s\n"
422 " Termination: %s\n\n"),
423 BACULA, my_name, VERSION, LSMDATE, edt,
424 HOST_OS, DISTNAME, DISTVER,
427 jcr->client->name(), cr.Uname,
428 jcr->fileset->name(), jcr->FSCreateTime,
429 jcr->pool->name(), jcr->pool_source,
430 jcr->catalog->name(), jcr->catalog_source,
431 jcr->wstore->name(), jcr->wstore_source,
435 edit_utime(RunTime, elapsed, sizeof(elapsed)),
437 edit_uint64_with_commas(jcr->jr.JobFiles, ec1),
438 edit_uint64_with_commas(jcr->jr.JobBytes, ec3),
439 edit_uint64_with_suffix(jcr->jr.JobBytes, ec4),
444 edit_uint64_with_commas(mr.VolBytes, ec7),
445 edit_uint64_with_suffix(mr.VolBytes, ec8),
450 Dmsg0(100, "Leave vbackup_cleanup()\n");
454 * This callback routine is responsible for inserting the
455 * items it gets into the bootstrap structure. For each JobId selected
456 * this routine is called once for each file. We do not allow
457 * duplicate filenames, but instead keep the info from the most
458 * recent file entered (i.e. the JobIds are assumed to be sorted)
460 * See uar_sel_files in sql_cmds.c for query that calls us.
461 * row[0]=Path, row[1]=Filename, row[2]=FileIndex
462 * row[3]=JobId row[4]=LStat
464 int insert_bootstrap_handler(void *ctx, int num_fields, char **row)
468 RBSR *bsr = (RBSR *)ctx;
470 JobId = str_to_int64(row[3]);
471 FileIndex = str_to_int64(row[2]);
472 add_findex(bsr, JobId, FileIndex);
477 static bool create_bootstrap_file(JCR *jcr, char *jobids)
482 memset(&rx, 0, sizeof(rx));
484 ua = new_ua_context(jcr);
487 #define new_get_file_list
488 #ifdef new_get_file_list
489 if (!db_get_file_list(jcr, ua->db, jobids, insert_bootstrap_handler, (void *)rx.bsr)) {
490 Jmsg(jcr, M_ERROR, 0, "%s", db_strerror(ua->db));
494 JobId_t JobId, last_JobId = 0;
495 rx.query = get_pool_memory(PM_MESSAGE);
496 for (p=rx.JobIds; get_next_jobid_from_list(&p, &JobId) > 0; ) {
499 if (JobId == last_JobId) {
500 continue; /* eliminate duplicate JobIds */
504 * Find files for this JobId and insert them in the tree
506 Mmsg(rx.query, uar_sel_files, edit_int64(JobId, ed1));
507 Dmsg1(100, "uar_sel_files=%s\n", rx.query);
508 if (!db_sql_query(ua->db, rx.query, insert_bootstrap_handler, (void *)rx.bsr)) {
509 Jmsg(jcr, M_ERROR, 0, "%s", db_strerror(ua->db));
511 free_pool_memory(rx.query);
516 complete_bsr(ua, rx.bsr);
517 jcr->ExpectedFiles = write_bsr_file(ua, rx);
518 if (debug_level >= 10) {
519 Dmsg1(000, "Found %d files to consolidate.\n", jcr->ExpectedFiles);
521 if (jcr->ExpectedFiles == 0) {