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 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.
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());
145 /* Print Job Start message */
146 Jmsg(jcr, M_INFO, 0, _("Start Virtual Backup JobId %s, Job=%s\n"),
147 edit_uint64(jcr->JobId, ed1), jcr->Job);
148 if (!jcr->accurate) {
149 Jmsg(jcr, M_WARNING, 0,
150 _("This Job is not an Accurate backup so is not equivalent to a Full backup.\n"));
153 jcr->jr.JobLevel = L_VIRTUAL_FULL;
154 db_accurate_get_jobids(jcr, jcr->db, &jcr->jr, &jobids);
155 Dmsg1(10, "Accurate jobids=%s\n", jobids.list);
156 if (jobids.count == 0) {
157 Jmsg(jcr, M_FATAL, 0, _("No previous Jobs found.\n"));
161 jcr->jr.JobLevel = L_FULL;
164 * Now we find the last job that ran and store it's info in
165 * the previous_jr record. We will set our times to the
166 * values from that job so that anything changed after that
167 * time will be picked up on the next backup.
169 p = strrchr(jobids.list, ','); /* find last jobid */
175 memset(&jcr->previous_jr, 0, sizeof(jcr->previous_jr));
176 jcr->previous_jr.JobId = str_to_int64(p);
177 Dmsg1(10, "Previous JobId=%s\n", p);
178 if (!db_get_job_record(jcr, jcr->db, &jcr->previous_jr)) {
179 Jmsg(jcr, M_FATAL, 0, _("Error getting Job record for previous Job: ERR=%s"),
180 db_strerror(jcr->db));
184 if (!create_bootstrap_file(jcr, jobids.list)) {
185 Jmsg(jcr, M_FATAL, 0, _("Could not get or create the FileSet record.\n"));
190 * Open a message channel connection with the Storage
191 * daemon. This is to let him know that our client
192 * will be contacting him for a backup session.
195 Dmsg0(110, "Open connection with storage daemon\n");
196 set_jcr_job_status(jcr, JS_WaitSD);
198 * Start conversation with Storage daemon
200 if (!connect_to_storage_daemon(jcr, 10, SDConnectTimeout, 1)) {
203 sd = jcr->store_bsock;
206 * Now start a job with the Storage daemon
208 if (!start_storage_daemon_job(jcr, jcr->rstorage, jcr->wstorage, /*send_bsr*/true)) {
211 Dmsg0(100, "Storage daemon connection OK\n");
214 * We re-update the job start record so that the start
215 * time is set after the run before job. This avoids
216 * that any files created by the run before job will
217 * be saved twice. They will be backed up in the current
218 * job, but not in the next one unless they are changed.
219 * Without this, they will be backed up in this job and
220 * in the next job run because in that case, their date
221 * is after the start of this run.
223 jcr->start_time = time(NULL);
224 jcr->jr.StartTime = jcr->start_time;
225 jcr->jr.JobTDate = jcr->start_time;
226 set_jcr_job_status(jcr, JS_Running);
228 /* Update job start record */
229 if (!db_update_job_start_record(jcr, jcr->db, &jcr->jr)) {
230 Jmsg(jcr, M_FATAL, 0, "%s", db_strerror(jcr->db));
235 * Start the job prior to starting the message thread below
236 * to avoid two threads from using the BSOCK structure at
239 if (!sd->fsend("run")) {
244 * Now start a Storage daemon message thread
246 if (!start_storage_daemon_message_thread(jcr)) {
250 set_jcr_job_status(jcr, JS_Running);
252 /* Pickup Job termination data */
253 /* Note, the SD stores in jcr->JobFiles/ReadBytes/JobBytes/JobErrors */
254 wait_for_storage_daemon_termination(jcr);
255 set_jcr_job_status(jcr, jcr->SDJobStatus);
256 db_write_batch_file_records(jcr); /* used by bulk batch file insert */
257 if (jcr->JobStatus != JS_Terminated) {
261 vbackup_cleanup(jcr, jcr->JobStatus);
267 * Release resources allocated during backup.
269 void vbackup_cleanup(JCR *jcr, int TermCode)
271 char sdt[50], edt[50], schedt[50];
272 char ec1[30], ec3[30], ec4[30], compress[50];
273 char ec7[30], ec8[30], elapsed[50];
274 char term_code[100], sd_term_msg[100];
275 const char *term_msg;
276 int msg_type = M_INFO;
279 double kbps, compression;
281 POOL_MEM query(PM_MESSAGE);
283 Dmsg2(100, "Enter backup_cleanup %d %c\n", TermCode, TermCode);
284 memset(&mr, 0, sizeof(mr));
285 memset(&cr, 0, sizeof(cr));
287 jcr->set_JobLevel(L_FULL); /* we want this to appear as a Full backup */
288 jcr->jr.JobLevel = L_FULL; /* we want this to appear as a Full backup */
289 jcr->JobFiles = jcr->SDJobFiles;
290 jcr->JobBytes = jcr->SDJobBytes;
291 update_job_end(jcr, TermCode);
293 /* Update final items to set them to the previous job's values */
294 Mmsg(query, "UPDATE Job SET StartTime='%s',EndTime='%s',"
295 "JobTDate=%s WHERE JobId=%s",
296 jcr->previous_jr.cStartTime, jcr->previous_jr.cEndTime,
297 edit_uint64(jcr->previous_jr.JobTDate, ec1),
298 edit_uint64(jcr->JobId, ec3));
299 db_sql_query(jcr->db, query.c_str(), NULL, NULL);
301 /* Get the fully updated job record */
302 if (!db_get_job_record(jcr, jcr->db, &jcr->jr)) {
303 Jmsg(jcr, M_WARNING, 0, _("Error getting Job record for Job report: ERR=%s"),
304 db_strerror(jcr->db));
305 set_jcr_job_status(jcr, JS_ErrorTerminated);
308 bstrncpy(cr.Name, jcr->client->name(), sizeof(cr.Name));
309 if (!db_get_client_record(jcr, jcr->db, &cr)) {
310 Jmsg(jcr, M_WARNING, 0, _("Error getting Client record for Job report: ERR=%s"),
311 db_strerror(jcr->db));
314 bstrncpy(mr.VolumeName, jcr->VolumeName, sizeof(mr.VolumeName));
315 if (!db_get_media_record(jcr, jcr->db, &mr)) {
316 Jmsg(jcr, M_WARNING, 0, _("Error getting Media record for Volume \"%s\": ERR=%s"),
317 mr.VolumeName, db_strerror(jcr->db));
318 set_jcr_job_status(jcr, JS_ErrorTerminated);
321 update_bootstrap_file(jcr);
323 switch (jcr->JobStatus) {
325 if (jcr->JobErrors || jcr->SDErrors) {
326 term_msg = _("Backup OK -- with warnings");
328 term_msg = _("Backup OK");
332 case JS_ErrorTerminated:
333 term_msg = _("*** Backup Error ***");
334 msg_type = M_ERROR; /* Generate error message */
335 if (jcr->store_bsock) {
336 jcr->store_bsock->signal(BNET_TERMINATE);
337 if (jcr->SD_msg_chan) {
338 pthread_cancel(jcr->SD_msg_chan);
343 term_msg = _("Backup Canceled");
344 if (jcr->store_bsock) {
345 jcr->store_bsock->signal(BNET_TERMINATE);
346 if (jcr->SD_msg_chan) {
347 pthread_cancel(jcr->SD_msg_chan);
352 term_msg = term_code;
353 sprintf(term_code, _("Inappropriate term code: %c\n"), jcr->JobStatus);
356 bstrftimes(schedt, sizeof(schedt), jcr->jr.SchedTime);
357 bstrftimes(sdt, sizeof(sdt), jcr->jr.StartTime);
358 bstrftimes(edt, sizeof(edt), jcr->jr.EndTime);
359 RunTime = jcr->jr.EndTime - jcr->jr.StartTime;
363 kbps = ((double)jcr->jr.JobBytes) / (1000.0 * (double)RunTime);
365 if (!db_get_job_volume_names(jcr, jcr->db, jcr->jr.JobId, &jcr->VolumeName)) {
367 * Note, if the job has erred, most likely it did not write any
368 * tape, so suppress this "error" message since in that case
369 * it is normal. Or look at it the other way, only for a
370 * normal exit should we complain about this error.
372 if (jcr->JobStatus == JS_Terminated && jcr->jr.JobBytes) {
373 Jmsg(jcr, M_ERROR, 0, "%s", db_strerror(jcr->db));
375 jcr->VolumeName[0] = 0; /* none */
378 if (jcr->ReadBytes == 0) {
379 bstrncpy(compress, "None", sizeof(compress));
381 compression = (double)100 - 100.0 * ((double)jcr->JobBytes / (double)jcr->ReadBytes);
382 if (compression < 0.5) {
383 bstrncpy(compress, "None", sizeof(compress));
385 bsnprintf(compress, sizeof(compress), "%.1f %%", compression);
388 jobstatus_to_ascii(jcr->SDJobStatus, sd_term_msg, sizeof(sd_term_msg));
390 Jmsg(jcr, msg_type, 0, _("%s %s %s (%s):\n"
391 " Build OS: %s %s %s\n"
394 " Backup Level: Virtual Full\n"
395 " Client: \"%s\" %s\n"
396 " FileSet: \"%s\" %s\n"
397 " Pool: \"%s\" (From %s)\n"
398 " Catalog: \"%s\" (From %s)\n"
399 " Storage: \"%s\" (From %s)\n"
400 " Scheduled time: %s\n"
403 " Elapsed time: %s\n"
405 " SD Files Written: %s\n"
406 " SD Bytes Written: %s (%sB)\n"
408 " Volume name(s): %s\n"
409 " Volume Session Id: %d\n"
410 " Volume Session Time: %d\n"
411 " Last Volume Bytes: %s (%sB)\n"
413 " SD termination status: %s\n"
414 " Termination: %s\n\n"),
415 BACULA, my_name, VERSION, LSMDATE,
416 HOST_OS, DISTNAME, DISTVER,
419 jcr->client->name(), cr.Uname,
420 jcr->fileset->name(), jcr->FSCreateTime,
421 jcr->pool->name(), jcr->pool_source,
422 jcr->catalog->name(), jcr->catalog_source,
423 jcr->wstore->name(), jcr->wstore_source,
427 edit_utime(RunTime, elapsed, sizeof(elapsed)),
429 edit_uint64_with_commas(jcr->jr.JobFiles, ec1),
430 edit_uint64_with_commas(jcr->jr.JobBytes, ec3),
431 edit_uint64_with_suffix(jcr->jr.JobBytes, ec4),
436 edit_uint64_with_commas(mr.VolBytes, ec7),
437 edit_uint64_with_suffix(mr.VolBytes, ec8),
442 Dmsg0(100, "Leave vbackup_cleanup()\n");
446 * This callback routine is responsible for inserting the
447 * items it gets into the bootstrap structure. For each JobId selected
448 * this routine is called once for each file. We do not allow
449 * duplicate filenames, but instead keep the info from the most
450 * recent file entered (i.e. the JobIds are assumed to be sorted)
452 * See uar_sel_files in sql_cmds.c for query that calls us.
453 * row[0]=Path, row[1]=Filename, row[2]=FileIndex
454 * row[3]=JobId row[4]=LStat
456 int insert_bootstrap_handler(void *ctx, int num_fields, char **row)
460 RBSR *bsr = (RBSR *)ctx;
462 JobId = str_to_int64(row[3]);
463 FileIndex = str_to_int64(row[2]);
464 add_findex(bsr, JobId, FileIndex);
469 static bool create_bootstrap_file(JCR *jcr, char *jobids)
474 memset(&rx, 0, sizeof(rx));
476 ua = new_ua_context(jcr);
479 #define new_get_file_list
480 #ifdef new_get_file_list
481 if (!db_open_batch_connexion(jcr, jcr->db)) {
482 Jmsg0(jcr, M_FATAL, 0, "Can't get batch sql connexion");
486 if (!db_get_file_list(jcr, jcr->db_batch, jobids, false /* don't use md5 */,
487 insert_bootstrap_handler, (void *)rx.bsr))
489 Jmsg(jcr, M_ERROR, 0, "%s", db_strerror(jcr->db_batch));
493 JobId_t JobId, last_JobId = 0;
494 rx.query = get_pool_memory(PM_MESSAGE);
495 for (p=rx.JobIds; get_next_jobid_from_list(&p, &JobId) > 0; ) {
498 if (JobId == last_JobId) {
499 continue; /* eliminate duplicate JobIds */
503 * Find files for this JobId and insert them in the tree
505 Mmsg(rx.query, uar_sel_files, edit_int64(JobId, ed1));
506 Dmsg1(100, "uar_sel_files=%s\n", rx.query);
507 if (!db_sql_query(ua->db, rx.query, insert_bootstrap_handler, (void *)rx.bsr)) {
508 Jmsg(jcr, M_ERROR, 0, "%s", db_strerror(ua->db));
510 free_pool_memory(rx.query);
515 complete_bsr(ua, rx.bsr);
516 jcr->ExpectedFiles = write_bsr_file(ua, rx);
517 if (debug_level >= 10) {
518 Dmsg1(000, "Found %d files to consolidate.\n", jcr->ExpectedFiles);
520 if (jcr->ExpectedFiles == 0) {