int
main(
int argc,
char ** argv)
{
int foreground;
int batch;
int redirect;
char **datearg = NULL;
int nb_datearg = 0;
char *conf_diskfile;
char *conf_tapelist;
char *conf_logfile;
int conf_usetimestamps;
disklist_t diskq;
disk_t *dp;
pid_t pid;
pid_t driver_pid, reporter_pid;
amwait_t exitcode;
int opt;
GSList *holding_list=NULL, *holding_file;
int driver_pipe[2];
char date_string[100];
char date_string_standard[100];
time_t today;
char *errstr;
struct tm *tm;
char *tapedev;
char *tpchanger;
char *qdisk, *qhname;
GSList *datestamp_list = NULL;
config_overrides_t *cfg_ovr;
char **config_options;
find_result_t *holding_files;
disklist_t holding_disklist = { NULL, NULL };
/*
* Configure program for internationalization:
* 1) Only set the message locale for now.
* 2) Set textdomain for all amanda related programs to "amanda"
* We don't want to be forced to support dozens of message catalogs.
*/
setlocale(LC_MESSAGES, "C");
textdomain("amanda");
safe_fd(-1, 0);
safe_cd();
set_pname("amflush");
/* Don't die when child closes pipe */
signal(SIGPIPE, SIG_IGN);
dbopen(DBG_SUBDIR_SERVER);
add_amanda_log_handler(amanda_log_stderr);
foreground = 0;
batch = 0;
redirect = 1;
/* process arguments */
cfg_ovr = new_config_overrides(argc/2);
while((opt = getopt(argc, argv, "bfso:D:")) != EOF) {
switch(opt) {
case 'b': batch = 1;
break;
case 'f': foreground = 1;
break;
case 's': redirect = 0;
break;
case 'o': add_config_override_opt(cfg_ovr, optarg);
break;
case 'D': if (datearg == NULL)
datearg = g_malloc(21*sizeof(char *));
if(nb_datearg == 20) {
g_fprintf(stderr,_("maximum of 20 -D arguments.\n"));
exit(1);
}
datearg[nb_datearg++] = g_strdup(optarg);
datearg[nb_datearg] = NULL;
break;
}
}
argc -= optind, argv += optind;
if(!foreground && !redirect) {
g_fprintf(stderr,_("Can't redirect to stdout/stderr if not in forground.\n"));
exit(1);
}
if(argc < 1) {
error(_("Usage: amflush [-b] [-f] [-s] [-D date]* [-o configoption]* <confdir> [host [disk]* ]*"));
/*NOTREACHED*/
}
set_config_overrides(cfg_ovr);
config_init(CONFIG_INIT_EXPLICIT_NAME,
argv[0]);
conf_diskfile = config_dir_relative(getconf_str(CNF_DISKFILE));
read_diskfile(conf_diskfile, &diskq);
amfree(conf_diskfile);
if (config_errors(NULL) >= CFGERR_WARNINGS) {
config_print_errors();
if (config_errors(NULL) >= CFGERR_ERRORS) {
g_critical(_("errors processing config file"));
}
}
check_running_as(RUNNING_AS_DUMPUSER);
dbrename(get_config_name(), DBG_SUBDIR_SERVER);
/* load DLEs from the holding disk, in case there's anything to flush there */
search_holding_disk(&holding_files, &holding_disklist);
/* note that the dumps are added to the global disklist, so we need not
* consult holding_files or holding_disklist after this. The holding-only
* dumps will be filtered properly by match_disklist, setting the dp->todo
* flag appropriately. */
errstr = match_disklist(&diskq, argc-1, argv+1);
if (errstr) {
g_printf(_("%s"),errstr);
amfree(errstr);
}
conf_tapelist = config_dir_relative(getconf_str(CNF_TAPELIST));
if(read_tapelist(conf_tapelist)) {
error(_("could not load tapelist \"%s\""), conf_tapelist);
/*NOTREACHED*/
}
amfree(conf_tapelist);
conf_usetimestamps = getconf_boolean(CNF_USETIMESTAMPS);
amflush_datestamp = get_datestamp_from_time(0);
if(conf_usetimestamps == 0) {
amflush_timestamp = g_strdup(amflush_datestamp);
}
else {
amflush_timestamp = get_timestamp_from_time(0);
}
conf_logdir = config_dir_relative(getconf_str(CNF_LOGDIR));
conf_logfile = g_strjoin(NULL, conf_logdir, "/log", NULL);
if (access(conf_logfile, F_OK) == 0) {
run_amcleanup(get_config_name());
}
if (access(conf_logfile, F_OK) == 0) {
char *process_name = get_master_process(conf_logfile);
error(_("%s exists: %s is already running, or you must run amcleanup"), conf_logfile, process_name);
/*NOTREACHED*/
}
driver_program = g_strjoin(NULL, amlibexecdir, "/", "driver", NULL);
reporter_program = g_strjoin(NULL, sbindir, "/", "amreport", NULL);
logroll_program = g_strjoin(NULL, amlibexecdir, "/", "amlogroll", NULL);
tapedev = getconf_str(CNF_TAPEDEV);
tpchanger = getconf_str(CNF_TPCHANGER);
if (tapedev == NULL && tpchanger == NULL) {
error(_("No tapedev or tpchanger specified"));
}
/* if dates were specified (-D), then use match_datestamp
* against the list of all datestamps to turn that list
* into a set of existing datestamps (basically, evaluate the
* expressions into actual datestamps) */
if(datearg) {
GSList *all_datestamps;
GSList *datestamp;
int i, ok;
all_datestamps = holding_get_all_datestamps();
for(datestamp = all_datestamps; datestamp != NULL; datestamp = datestamp->next) {
ok = 0;
for(i=0; i<nb_datearg && ok==0; i++) {
ok = match_datestamp(datearg[i], (char *)datestamp->data);
}
if (ok)
datestamp_list = g_slist_insert_sorted(datestamp_list,
g_strdup((char *)datestamp->data),
g_compare_strings);
}
slist_free_full(all_datestamps, g_free);
}
else {
/* otherwise, in batch mode, use all datestamps */
if(batch) {
datestamp_list = holding_get_all_datestamps();
}
/* or allow the user to pick datestamps */
else {
datestamp_list = pick_datestamp();
}
}
if(!datestamp_list) {
g_printf(_("Could not find any Amanda directories to flush.\n"));
exit(1);
}
holding_list = holding_get_files_for_flush(datestamp_list);
if (holding_list == NULL) {
g_printf(_("Could not find any valid dump image, check directory.\n"));
exit(1);
}
if (access(conf_logfile, F_OK) == 0) {
char *process_name = get_master_process(conf_logfile);
error(_("%s exists: someone started %s"), conf_logfile, process_name);
/*NOTREACHED*/
}
log_add(L_INFO, "%s pid %ld", get_pname(), (long)getpid());
if(!batch) confirm(datestamp_list);
for(dp = diskq.head; dp != NULL; dp = dp->next) {
if(dp->todo) {
char *qname;
qname = quote_string(dp->name);
log_add(L_DISK, "%s %s", dp->host->hostname, qname);
amfree(qname);
}
}
if(!foreground) { /* write it before redirecting stdout */
puts(_("Running in background, you can log off now."));
puts(_("You'll get mail when amflush is finished."));
}
if(redirect) redirect_stderr();
if(!foreground) detach();
add_amanda_log_handler(amanda_log_stderr);
add_amanda_log_handler(amanda_log_trace_log);
today = time(NULL);
tm = localtime(&today);
if (tm) {
strftime(date_string, 100, "%a %b %e %H:%M:%S %Z %Y", tm);
strftime(date_string_standard, 100, "%Y-%m-%d %H:%M:%S %Z", tm);
} else {
error(_("BAD DATE")); /* should never happen */
}
g_fprintf(stderr, _("amflush: start at %s\n"), date_string);
g_fprintf(stderr, _("amflush: datestamp %s\n"), amflush_timestamp);
g_fprintf(stderr, _("amflush: starttime %s\n"), amflush_timestamp);
g_fprintf(stderr, _("amflush: starttime-locale-independent %s\n"),
date_string_standard);
log_add(L_START, _("date %s"), amflush_timestamp);
/* START DRIVER */
if(pipe(driver_pipe) == -1) {
error(_("error [opening pipe to driver: %s]"), strerror(errno));
/*NOTREACHED*/
}
if((driver_pid = fork()) == 0) {
/*
* This is the child process.
*/
dup2(driver_pipe[0], 0);
close(driver_pipe[1]);
config_options = get_config_options(3);
config_options[0] = "driver";
config_options[1] = get_config_name();
config_options[2] = "nodump";
safe_fd(-1, 0);
execve(driver_program, config_options, safe_env());
error(_("cannot exec %s: %s"), driver_program, strerror(errno));
/*NOTREACHED*/
} else if(driver_pid == -1) {
error(_("cannot fork for %s: %s"), driver_program, strerror(errno));
/*NOTREACHED*/
}
driver_stream = fdopen(driver_pipe[1], "w");
if (!driver_stream) {
error(_("Can't fdopen: %s"), strerror(errno));
/*NOTREACHED*/
}
g_fprintf(driver_stream, "DATE %s\n", amflush_timestamp);
for(holding_file=holding_list; holding_file != NULL;
holding_file = holding_file->next) {
dumpfile_t file;
holding_file_get_dumpfile((char *)holding_file->data, &file);
if (holding_file_size((char *)holding_file->data, 1) <= 0) {
g_debug("%s is empty - ignoring", (char *)holding_file->data);
log_add(L_INFO, "%s: removing file with no data.",
(char *)holding_file->data);
holding_file_unlink((char *)holding_file->data);
dumpfile_free_data(&file);
continue;
}
/* search_holding_disk should have already ensured that every
* holding dumpfile has an entry in the dynamic disklist */
dp = lookup_disk(file.name, file.disk);
assert(dp != NULL);
/* but match_disklist may have indicated we should not flush it */
if (dp->todo == 0) continue;
qdisk = quote_string(file.disk);
qhname = quote_string((char *)holding_file->data);
g_fprintf(stderr,
"FLUSH %s %s %s %d %s\n",
file.name,
qdisk,
file.datestamp,
file.dumplevel,
qhname);
g_debug("flushing '%s'", (char *)holding_file->data);
g_fprintf(driver_stream,
"FLUSH %s %s %s %d %s\n",
file.name,
qdisk,
file.datestamp,
file.dumplevel,
qhname);
amfree(qdisk);
amfree(qhname);
dumpfile_free_data(&file);
}
g_fprintf(stderr, "ENDFLUSH\n"); fflush(stderr);
g_fprintf(driver_stream, "ENDFLUSH\n"); fflush(driver_stream);
fclose(driver_stream);
/* WAIT DRIVER */
while(1) {
if((pid = wait(&exitcode)) == -1) {
if(errno == EINTR) {
continue;
} else {
error(_("wait for %s: %s"), driver_program, strerror(errno));
/*NOTREACHED*/
}
} else if (pid == driver_pid) {
break;
}
}
slist_free_full(datestamp_list, g_free);
datestamp_list = NULL;
slist_free_full(holding_list, g_free);
holding_list = NULL;
if(redirect) { /* rename errfile */
char *errfile, *errfilex, *nerrfilex, number[100];
int tapecycle;
int maxdays, days;
struct stat stat_buf;
errfile = g_strjoin(NULL, conf_logdir, "/amflush", NULL);
errfilex = NULL;
nerrfilex = NULL;
tapecycle = getconf_int(CNF_TAPECYCLE);
maxdays = tapecycle + 2;
days = 1;
/* First, find out the last existing errfile, */
/* to avoid ``infinite'' loops if tapecycle is infinite */
g_snprintf(number,100,"%d",days);
errfilex = newvstralloc(errfilex, errfile, ".", number, NULL);
while ( days < maxdays && stat(errfilex,&stat_buf)==0) {
days++;
g_snprintf(number,100,"%d",days);
errfilex = newvstralloc(errfilex, errfile, ".", number, NULL);
}
g_snprintf(number,100,"%d",days);
errfilex = newvstralloc(errfilex, errfile, ".", number, NULL);
nerrfilex = NULL;
while (days > 1) {
amfree(nerrfilex);
nerrfilex = errfilex;
days--;
g_snprintf(number,100,"%d",days);
errfilex = g_strjoin(NULL, errfile, ".", number, NULL);
if (rename(errfilex, nerrfilex) != 0) {
error(_("cannot rename \"%s\" to \"%s\": %s"),
errfilex, nerrfilex, strerror(errno));
/*NOTREACHED*/
}
}
errfilex = newvstralloc(errfilex, errfile, ".1", NULL);
if (rename(errfile,errfilex) != 0) {
error(_("cannot rename \"%s\" to \"%s\": %s"),
errfilex, nerrfilex, strerror(errno));
/*NOTREACHED*/
}
amfree(errfile);
amfree(errfilex);
amfree(nerrfilex);
}
/*
* Have amreport generate report and send mail. Note that we do
* not bother checking the exit status. If it does not work, it
* can be rerun.
*/
if((reporter_pid = fork()) == 0) {
/*
* This is the child process.
*/
config_options = get_config_options(3);
config_options[0] = "amreport";
config_options[1] = get_config_name();
config_options[2] = "--from-amdump";
safe_fd(-1, 0);
execve(reporter_program, config_options, safe_env());
error(_("cannot exec %s: %s"), reporter_program, strerror(errno));
/*NOTREACHED*/
} else if(reporter_pid == -1) {
error(_("cannot fork for %s: %s"), reporter_program, strerror(errno));
/*NOTREACHED*/
}
while(1) {
if((pid = wait(&exitcode)) == -1) {
if(errno == EINTR) {
continue;
} else {
error(_("wait for %s: %s"), reporter_program, strerror(errno));
/*NOTREACHED*/
}
} else if (pid == reporter_pid) {
break;
}
}
log_add(L_INFO, "pid-done %ld", (long)getpid());
/*
* Call amlogroll to rename the log file to its datestamped version.
* Since we exec at this point, our exit code will be that of amlogroll.
*/
config_options = get_config_options(2);
config_options[0] = "amlogroll";
config_options[1] = get_config_name();
safe_fd(-1, 0);
execve(logroll_program, config_options, safe_env());
error(_("cannot exec %s: %s"), logroll_program, strerror(errno));
/*NOTREACHED*/
return 0; /* keep the compiler happy */
}
void
search_holding_disk(
find_result_t **output_find,
disklist_t * dynamic_disklist)
{
GSList *holding_file_list;
GSList *e;
char *holding_file;
disk_t *dp;
char *orig_name;
holding_file_list = holding_get_files(NULL, 1);
if (string_chunk == NULL) {
string_chunk = g_string_chunk_new(32768);
}
for(e = holding_file_list; e != NULL; e = e->next) {
dumpfile_t file;
holding_file = (char *)e->data;
if (!holding_file_get_dumpfile(holding_file, &file))
continue;
if (file.dumplevel < 0 || file.dumplevel >= DUMP_LEVELS) {
dumpfile_free_data(&file);
continue;
}
dp = NULL;
orig_name = g_strdup(file.name);
for(;;) {
char *s;
if((dp = lookup_disk(file.name, file.disk)))
break;
if((s = strrchr(file.name,'.')) == NULL)
break;
*s = '\0';
}
strcpy(file.name, orig_name); /* restore munged string */
g_free(orig_name);
if ( dp == NULL ) {
if (dynamic_disklist == NULL) {
dumpfile_free_data(&file);
continue;
}
dp = add_disk(dynamic_disklist, file.name, file.disk);
enqueue_disk(dynamic_disklist, dp);
}
if(find_match(file.name,file.disk)) {
find_result_t *new_output_find = g_new0(find_result_t, 1);
new_output_find->next=*output_find;
new_output_find->timestamp = g_string_chunk_insert_const(string_chunk, file.datestamp);
new_output_find->write_timestamp = g_string_chunk_insert_const(string_chunk, "00000000000000");
new_output_find->hostname = g_string_chunk_insert_const(string_chunk, file.name);
new_output_find->diskname = g_string_chunk_insert_const(string_chunk, file.disk);
new_output_find->level=file.dumplevel;
new_output_find->label=g_string_chunk_insert_const(string_chunk, holding_file);
new_output_find->partnum = -1;
new_output_find->totalparts = -1;
new_output_find->filenum=0;
if (file.is_partial) {
new_output_find->status="PARTIAL";
new_output_find->dump_status="PARTIAL";
} else {
new_output_find->status="OK";
new_output_find->dump_status="OK";
}
new_output_find->message="";
new_output_find->kb = holding_file_size(holding_file, 1);
new_output_find->bytes = 0;
new_output_find->orig_kb = file.orig_size;
*output_find=new_output_find;
}
dumpfile_free_data(&file);
}
slist_free_full(holding_file_list, g_free);
}