2 Bacula® - The Network Backup Solution
4 Copyright (C) 2008-2008 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 char OKbootstrap[] = "3000 OK bootstrap\n";
55 static bool create_bootstrap_file(JCR *jcr, POOLMEM *jobids);
56 void vbackup_cleanup(JCR *jcr, int TermCode);
59 * Called here before the job is run to do the job
62 bool do_vbackup_init(JCR *jcr)
64 if (!get_or_create_fileset_record(jcr)) {
65 Dmsg1(dbglevel, "JobId=%d no FileSet\n", (int)jcr->JobId);
69 apply_pool_overrides(jcr);
71 if (!allow_duplicate_job(jcr)) {
76 * Note, at this point, pool is the pool for this job. We
77 * transfer it to rpool (read pool), and a bit later,
78 * pool will be changed to point to the write pool,
79 * which comes from pool->NextPool.
81 jcr->rpool = jcr->pool; /* save read pool */
82 pm_strcpy(jcr->rpool_source, jcr->pool_source);
85 Dmsg2(dbglevel, "Read pool=%s (From %s)\n", jcr->rpool->name(), jcr->rpool_source);
87 jcr->start_time = time(NULL);
88 jcr->jr.StartTime = jcr->start_time;
89 jcr->jr.JobLevel = L_FULL; /* we want this to appear as a Full backup */
90 if (!db_update_job_start_record(jcr, jcr->db, &jcr->jr)) {
91 Jmsg(jcr, M_FATAL, 0, "%s", db_strerror(jcr->db));
94 POOLMEM *jobids = get_pool_memory(PM_FNAME);
95 db_accurate_get_jobids(jcr, jcr->db, &jcr->jr, jobids);
96 Dmsg1(000, "Accurate jobids=%s\n", jobids);
98 free_pool_memory(jobids);
99 Jmsg(jcr, M_FATAL, 0, _("Cannot find previous JobIds.\n"));
103 if (!create_bootstrap_file(jcr, jobids)) {
104 Jmsg(jcr, M_FATAL, 0, _("Could not get or create the FileSet record.\n"));
105 free_pool_memory(jobids);
108 free_pool_memory(jobids);
111 * If the original backup pool has a NextPool, make sure a
112 * record exists in the database. Note, in this case, we
113 * will be backing up from pool to pool->NextPool.
115 if (jcr->pool->NextPool) {
116 jcr->jr.PoolId = get_or_create_pool_record(jcr, jcr->pool->NextPool->name());
117 if (jcr->jr.PoolId == 0) {
122 if (!set_migration_wstorage(jcr, jcr->pool)) {
125 pm_strcpy(jcr->pool_source, _("Job Pool's NextPool resource"));
127 Dmsg2(dbglevel, "Write pool=%s read rpool=%s\n", jcr->pool->name(), jcr->rpool->name());
135 * Do a backup of the specified FileSet
137 * Returns: false on failure
140 bool do_vbackup(JCR *jcr)
145 /* Print Job Start message */
146 Jmsg(jcr, M_INFO, 0, _("Start Vbackup JobId %s, Job=%s\n"),
147 edit_uint64(jcr->JobId, ed1), jcr->Job);
150 * Open a message channel connection with the Storage
151 * daemon. This is to let him know that our client
152 * will be contacting him for a backup session.
155 Dmsg0(110, "Open connection with storage daemon\n");
156 set_jcr_job_status(jcr, JS_WaitSD);
158 * Start conversation with Storage daemon
160 if (!connect_to_storage_daemon(jcr, 10, SDConnectTimeout, 1)) {
163 sd = jcr->store_bsock;
165 * Now start a job with the Storage daemon
167 Dmsg2(000, "rstorage=%p wstorage=%p\n", jcr->rstorage, jcr->wstorage);
168 Dmsg2(000, "Read store=%s, write store=%s\n",
169 ((STORE *)jcr->rstorage->first())->name(),
170 ((STORE *)jcr->wstorage->first())->name());
171 if (((STORE *)jcr->rstorage->first())->name() == ((STORE *)jcr->wstorage->first())->name()) {
172 Jmsg(jcr, M_FATAL, 0, _("Read storage \"%s\" same as write storage.\n"),
173 ((STORE *)jcr->rstorage->first())->name());
176 if (!start_storage_daemon_job(jcr, jcr->rstorage, jcr->wstorage)) {
179 Dmsg0(000, "Storage daemon connection OK\n");
181 if (!send_bootstrap_file(jcr, sd) ||
182 !response(jcr, sd, OKbootstrap, "Bootstrap", DISPLAY_ERROR)) {
186 Dmsg0(000, "Bootstrap file sent\n");
189 * We re-update the job start record so that the start
190 * time is set after the run before job. This avoids
191 * that any files created by the run before job will
192 * be saved twice. They will be backed up in the current
193 * job, but not in the next one unless they are changed.
194 * Without this, they will be backed up in this job and
195 * in the next job run because in that case, their date
196 * is after the start of this run.
198 jcr->start_time = time(NULL);
199 jcr->jr.StartTime = jcr->start_time;
200 jcr->jr.JobTDate = jcr->start_time;
201 set_jcr_job_status(jcr, JS_Running);
203 /* Update job start record for this migration control job */
204 if (!db_update_job_start_record(jcr, jcr->db, &jcr->jr)) {
205 Jmsg(jcr, M_FATAL, 0, "%s", db_strerror(jcr->db));
210 * Start the job prior to starting the message thread below
211 * to avoid two threads from using the BSOCK structure at
214 if (!sd->fsend("run")) {
219 * Now start a Storage daemon message thread
221 if (!start_storage_daemon_message_thread(jcr)) {
225 set_jcr_job_status(jcr, JS_Running);
227 /* Pickup Job termination data */
228 /* Note, the SD stores in jcr->JobFiles/ReadBytes/JobBytes/Errors */
229 wait_for_storage_daemon_termination(jcr);
230 set_jcr_job_status(jcr, jcr->SDJobStatus);
231 db_write_batch_file_records(jcr); /* used by bulk batch file insert */
232 if (jcr->JobStatus != JS_Terminated) {
236 vbackup_cleanup(jcr, jcr->JobStatus);
242 * Release resources allocated during backup.
244 void vbackup_cleanup(JCR *jcr, int TermCode)
246 char sdt[50], edt[50], schedt[50];
247 char ec1[30], ec3[30], ec4[30], compress[50];
248 char ec7[30], ec8[30], elapsed[50];
249 char term_code[100], fd_term_msg[100], sd_term_msg[100];
250 const char *term_msg;
251 int msg_type = M_INFO;
254 double kbps, compression;
257 Dmsg2(100, "Enter backup_cleanup %d %c\n", TermCode, TermCode);
258 memset(&mr, 0, sizeof(mr));
259 memset(&cr, 0, sizeof(cr));
261 jcr->set_JobLevel(L_FULL); /* we want this to appear as a Full backup */
262 jcr->jr.JobLevel = L_FULL; /* we want this to appear as a Full backup */
263 jcr->JobFiles = jcr->SDJobFiles;
264 jcr->JobBytes = jcr->SDJobBytes;
265 update_job_end(jcr, TermCode);
268 /* ***FIXME*** set to time of last incremental */
269 /* Update final items to set them to the previous job's values */
270 Mmsg(query, "UPDATE Job SET StartTime='%s',EndTime='%s',"
271 "JobTDate=%s WHERE JobId=%s",
272 jcr->previous_jr.cStartTime, jcr->previous_jr.cEndTime,
273 edit_uint64(jcr->previous_jr.JobTDate, ec1),
274 edit_uint64(mig_jcr->jr.JobId, ec2));
275 db_sql_query(mig_jcr->db, query.c_str(), NULL, NULL);
278 if (!db_get_job_record(jcr, jcr->db, &jcr->jr)) {
279 Jmsg(jcr, M_WARNING, 0, _("Error getting Job record for Job report: ERR=%s"),
280 db_strerror(jcr->db));
281 set_jcr_job_status(jcr, JS_ErrorTerminated);
284 bstrncpy(cr.Name, jcr->client->name(), sizeof(cr.Name));
285 if (!db_get_client_record(jcr, jcr->db, &cr)) {
286 Jmsg(jcr, M_WARNING, 0, _("Error getting Client record for Job report: ERR=%s"),
287 db_strerror(jcr->db));
290 bstrncpy(mr.VolumeName, jcr->VolumeName, sizeof(mr.VolumeName));
291 if (!db_get_media_record(jcr, jcr->db, &mr)) {
292 Jmsg(jcr, M_WARNING, 0, _("Error getting Media record for Volume \"%s\": ERR=%s"),
293 mr.VolumeName, db_strerror(jcr->db));
294 set_jcr_job_status(jcr, JS_ErrorTerminated);
297 update_bootstrap_file(jcr);
299 switch (jcr->JobStatus) {
301 if (jcr->Errors || jcr->SDErrors) {
302 term_msg = _("Backup OK -- with warnings");
304 term_msg = _("Backup OK");
308 case JS_ErrorTerminated:
309 term_msg = _("*** Backup Error ***");
310 msg_type = M_ERROR; /* Generate error message */
311 if (jcr->store_bsock) {
312 jcr->store_bsock->signal(BNET_TERMINATE);
313 if (jcr->SD_msg_chan) {
314 pthread_cancel(jcr->SD_msg_chan);
319 term_msg = _("Backup Canceled");
320 if (jcr->store_bsock) {
321 jcr->store_bsock->signal(BNET_TERMINATE);
322 if (jcr->SD_msg_chan) {
323 pthread_cancel(jcr->SD_msg_chan);
328 term_msg = term_code;
329 sprintf(term_code, _("Inappropriate term code: %c\n"), jcr->JobStatus);
332 bstrftimes(schedt, sizeof(schedt), jcr->jr.SchedTime);
333 bstrftimes(sdt, sizeof(sdt), jcr->jr.StartTime);
334 bstrftimes(edt, sizeof(edt), jcr->jr.EndTime);
335 RunTime = jcr->jr.EndTime - jcr->jr.StartTime;
339 kbps = ((double)jcr->jr.JobBytes) / (1000.0 * (double)RunTime);
341 if (!db_get_job_volume_names(jcr, jcr->db, jcr->jr.JobId, &jcr->VolumeName)) {
343 * Note, if the job has erred, most likely it did not write any
344 * tape, so suppress this "error" message since in that case
345 * it is normal. Or look at it the other way, only for a
346 * normal exit should we complain about this error.
348 if (jcr->JobStatus == JS_Terminated && jcr->jr.JobBytes) {
349 Jmsg(jcr, M_ERROR, 0, "%s", db_strerror(jcr->db));
351 jcr->VolumeName[0] = 0; /* none */
354 if (jcr->ReadBytes == 0) {
355 bstrncpy(compress, "None", sizeof(compress));
357 compression = (double)100 - 100.0 * ((double)jcr->JobBytes / (double)jcr->ReadBytes);
358 if (compression < 0.5) {
359 bstrncpy(compress, "None", sizeof(compress));
361 bsnprintf(compress, sizeof(compress), "%.1f %%", compression);
364 jobstatus_to_ascii(jcr->FDJobStatus, fd_term_msg, sizeof(fd_term_msg));
365 jobstatus_to_ascii(jcr->SDJobStatus, sd_term_msg, sizeof(sd_term_msg));
367 // bmicrosleep(15, 0); /* for debugging SIGHUP */
369 Jmsg(jcr, msg_type, 0, _("Bacula %s %s (%s): %s\n"
370 " Build OS: %s %s %s\n"
373 " Backup Level: %s%s\n"
374 " Client: \"%s\" %s\n"
375 " FileSet: \"%s\" %s\n"
376 " Pool: \"%s\" (From %s)\n"
377 " Catalog: \"%s\" (From %s)\n"
378 " Storage: \"%s\" (From %s)\n"
379 " Scheduled time: %s\n"
382 " Elapsed time: %s\n"
384 " SD Files Written: %s\n"
385 " SD Bytes Written: %s (%sB)\n"
387 " Software Compression: %s\n"
391 " Volume name(s): %s\n"
392 " Volume Session Id: %d\n"
393 " Volume Session Time: %d\n"
394 " Last Volume Bytes: %s (%sB)\n"
396 " SD termination status: %s\n"
397 " Termination: %s\n\n"),
398 my_name, VERSION, LSMDATE, edt,
399 HOST_OS, DISTNAME, DISTVER,
402 level_to_str(jcr->get_JobLevel()), jcr->since,
403 jcr->client->name(), cr.Uname,
404 jcr->fileset->name(), jcr->FSCreateTime,
405 jcr->pool->name(), jcr->pool_source,
406 jcr->catalog->name(), jcr->catalog_source,
407 jcr->wstore->name(), jcr->wstore_source,
411 edit_utime(RunTime, elapsed, sizeof(elapsed)),
413 edit_uint64_with_commas(jcr->jr.JobFiles, ec1),
414 edit_uint64_with_commas(jcr->jr.JobBytes, ec3),
415 edit_uint64_with_suffix(jcr->jr.JobBytes, ec4),
418 jcr->VSS?_("yes"):_("no"),
419 jcr->Encrypt?_("yes"):_("no"),
420 jcr->accurate?_("yes"):_("no"),
424 edit_uint64_with_commas(mr.VolBytes, ec7),
425 edit_uint64_with_suffix(mr.VolBytes, ec8),
430 Dmsg0(100, "Leave vbackup_cleanup()\n");
434 * This callback routine is responsible for inserting the
435 * items it gets into the bootstrap structure. For each JobId selected
436 * this routine is called once for each file. We do not allow
437 * duplicate filenames, but instead keep the info from the most
438 * recent file entered (i.e. the JobIds are assumed to be sorted)
440 * See uar_sel_files in sql_cmds.c for query that calls us.
441 * row[0]=Path, row[1]=Filename, row[2]=FileIndex
442 * row[3]=JobId row[4]=LStat
444 int insert_bootstrap_handler(void *ctx, int num_fields, char **row)
448 RBSR *bsr = (RBSR *)ctx;
450 JobId = str_to_int64(row[3]);
451 FileIndex = str_to_int64(row[2]);
452 add_findex(bsr, JobId, FileIndex);
457 static bool create_bootstrap_file(JCR *jcr, POOLMEM *jobids)
462 memset(&rx, 0, sizeof(rx));
464 ua = new_ua_context(jcr);
467 #define new_get_file_list
468 #ifdef new_get_file_list
469 if (!db_get_file_list(jcr, ua->db, jobids, insert_bootstrap_handler, (void *)rx.bsr)) {
470 Jmsg(jcr, M_ERROR, 0, "%s", db_strerror(ua->db));
474 JobId_t JobId, last_JobId = 0;
475 rx.query = get_pool_memory(PM_MESSAGE);
476 for (p=rx.JobIds; get_next_jobid_from_list(&p, &JobId) > 0; ) {
479 if (JobId == last_JobId) {
480 continue; /* eliminate duplicate JobIds */
484 * Find files for this JobId and insert them in the tree
486 Mmsg(rx.query, uar_sel_files, edit_int64(JobId, ed1));
487 Dmsg1(000, "uar_sel_files=%s\n", rx.query);
488 if (!db_sql_query(ua->db, rx.query, insert_bootstrap_handler, (void *)rx.bsr)) {
489 Jmsg(jcr, M_ERROR, 0, "%s", db_strerror(ua->db));
491 free_pool_memory(rx.query);
496 complete_bsr(ua, rx.bsr);
497 Dmsg0(000, "Print bsr\n");
498 print_bsr(ua, rx.bsr);
500 jcr->ExpectedFiles = write_bsr_file(ua, rx);
501 Dmsg1(000, "Found %d files to consolidate.\n", jcr->ExpectedFiles);
502 if (jcr->ExpectedFiles == 0) {