/**
* check if the entry exists in the database and what info
* must be retrieved.
*/
int EntryProc_get_info_db( struct entry_proc_op_t *p_op, lmgr_t * lmgr )
{
int rc = 0;
int next_stage = -1; /* -1 = skip */
attr_mask_t attr_allow_cached = null_mask;
attr_mask_t attr_need_fresh = null_mask;
uint32_t status_scope = 0; /* status mask only */
attr_mask_t tmp;
const pipeline_stage_t *stage_info =
&entry_proc_pipeline[p_op->pipeline_stage];
/* check if entry is in policies scope */
add_matching_scopes_mask(&p_op->entry_id, &p_op->fs_attrs, true,
&status_scope);
/* XXX also retrieve needed attributes to check the scope? */
/* get diff attributes from DB and FS (to allow comparison) */
p_op->db_attr_need = attr_mask_or(&p_op->db_attr_need, &diff_mask);
tmp = attr_mask_and_not(&diff_mask, &p_op->fs_attrs.attr_mask);
p_op->fs_attr_need = attr_mask_or(&p_op->fs_attr_need, &tmp);
if (entry_proc_conf.detect_fake_mtime)
attr_mask_set_index(&p_op->db_attr_need, ATTR_INDEX_creation_time);
attr_allow_cached = attrs_for_status_mask(status_scope, false);
attr_need_fresh = attrs_for_status_mask(status_scope, true);
/* XXX check if entry is in policy scope? */
/* what must be retrieved from DB: */
tmp = attr_mask_and_not(&attr_allow_cached, &p_op->fs_attrs.attr_mask);
p_op->db_attr_need = attr_mask_or(&p_op->db_attr_need, &tmp);
/* no dircount for non-dirs */
if (ATTR_MASK_TEST(&p_op->fs_attrs, type) &&
!strcmp(ATTR(&p_op->fs_attrs, type), STR_TYPE_DIR))
{
attr_mask_unset_index(&p_op->db_attr_need, ATTR_INDEX_dircount);
}
/* no readlink for non symlinks */
if (ATTR_MASK_TEST(&p_op->fs_attrs, type)) /* likely */
{
if (!strcmp(ATTR(&p_op->fs_attrs, type), STR_TYPE_LINK))
{
attr_mask_set_index(&p_op->db_attr_need, ATTR_INDEX_link); /* check if it is known */
/* no stripe for symlinks */
attr_mask_unset_index(&p_op->db_attr_need, ATTR_INDEX_stripe_info);
attr_mask_unset_index(&p_op->db_attr_need, ATTR_INDEX_stripe_items);
}
else
attr_mask_unset_index(&p_op->db_attr_need, ATTR_INDEX_link);
}
if (!attr_mask_is_null(p_op->db_attr_need))
{
p_op->db_attrs.attr_mask = p_op->db_attr_need;
rc = ListMgr_Get(lmgr, &p_op->entry_id, &p_op->db_attrs);
if (rc == DB_SUCCESS)
{
p_op->db_exists = 1;
}
else if (rc == DB_NOT_EXISTS )
{
p_op->db_exists = 0;
ATTR_MASK_INIT( &p_op->db_attrs );
}
else
{
/* ERROR */
DisplayLog(LVL_CRIT, ENTRYPROC_TAG,
"Error %d retrieving entry "DFID" from DB: %s.", rc,
PFID(&p_op->entry_id), lmgr_err2str(rc));
p_op->db_exists = 0;
ATTR_MASK_INIT( &p_op->db_attrs );
}
}
else
{
p_op->db_exists = ListMgr_Exists( lmgr, &p_op->entry_id );
}
/* get status for all policies with a matching scope */
add_matching_scopes_mask(&p_op->entry_id, &p_op->fs_attrs, true,
&p_op->fs_attr_need.status);
tmp = attr_mask_and_not(&attr_need_fresh, &p_op->fs_attrs.attr_mask);
p_op->fs_attr_need = attr_mask_or(&p_op->fs_attr_need, &tmp);
if ( !p_op->db_exists )
{
/* new entry */
p_op->db_op_type = OP_TYPE_INSERT;
/* set creation time if it was not set by scan module */
if (!ATTR_MASK_TEST(&p_op->fs_attrs, creation_time))
{
ATTR_MASK_SET( &p_op->fs_attrs, creation_time );
ATTR( &p_op->fs_attrs, creation_time ) = time(NULL); /* XXX min(atime,mtime,ctime)? */
}
#ifdef _LUSTRE
if (ATTR_MASK_TEST(&p_op->fs_attrs, type)
&& !strcmp(ATTR( &p_op->fs_attrs, type ), STR_TYPE_FILE )
/* only if it was not retrieved during the scan */
&& !(ATTR_MASK_TEST(&p_op->fs_attrs, stripe_info)
&& ATTR_MASK_TEST(&p_op->fs_attrs, stripe_items)))
{
attr_mask_set_index(&p_op->fs_attr_need, ATTR_INDEX_stripe_info);
attr_mask_set_index(&p_op->fs_attr_need, ATTR_INDEX_stripe_items);
}
#endif
/* readlink for symlinks (if not already known) */
if (ATTR_MASK_TEST(&p_op->fs_attrs, type)
&& !strcmp(ATTR( &p_op->fs_attrs, type ), STR_TYPE_LINK)
&& !ATTR_MASK_TEST(&p_op->fs_attrs, link))
{
attr_mask_set_index(&p_op->fs_attr_need, ATTR_INDEX_link);
}
else
{
attr_mask_unset_index(&p_op->fs_attr_need, ATTR_INDEX_link);
}
#ifdef ATTR_INDEX_status /** @FIXME RBHv3 drop old-style status reference */
if (ATTR_MASK_TEST(&p_op->fs_attrs, type)
#ifdef _LUSTRE_HSM
&& !strcmp( ATTR(&p_op->fs_attrs, type), STR_TYPE_FILE ))
#elif defined (_HSM_LITE)
&& (strcmp( ATTR(&p_op->fs_attrs, type), STR_TYPE_DIR ) != 0)
&& !p_op->extra_info.not_supp)
#endif
{
p_op->fs_attr_need |= ATTR_MASK_status;
#ifdef _HSM_LITE
p_op->fs_attr_need |= (attr_need_fresh & ~p_op->fs_attrs.attr_mask);
#endif
}
else
{
/**
* Main daemon routine
*/
int main(int argc, char **argv)
{
int c, option_index = 0;
const char *bin;
char config_file[MAX_OPT_LEN] = "";
bool do_start = false;
bool do_reset = false;
bool do_resume = false;
bool do_complete = false;
bool do_status = false;
int list_state = -1;
int local_flags = 0;
int rc;
char err_msg[4096];
robinhood_config_t config;
struct sigaction act_sigterm;
int chgd = 0;
char badcfg[RBH_PATH_MAX];
bin = rh_basename(argv[0]); /* supports NULL argument */
/* parse command line options */
while ((c =
getopt_long(argc, argv, SHORT_OPT_STRING, option_tab,
&option_index)) != -1) {
switch (c) {
case 'S':
do_start = true;
break;
case 's':
do_status = true;
break;
case 'Z':
do_reset = true;
break;
case 'c':
do_complete = true;
break;
case 'r':
do_resume = true;
break;
case 'L':
if (!strcasecmp(optarg, "all"))
list_state = RT_ALL;
else if (!strcasecmp(optarg, "done"))
list_state = RT_DONE;
else if (!strcasecmp(optarg, "failed"))
list_state = RT_FAILED;
else if (!strcasecmp(optarg, "todo"))
list_state = RT_TODO;
else {
fprintf(stderr,
"Invalid parameter for option --list: all, done, failed or todo expected.\n");
exit(1);
}
break;
case 'e':
local_flags |= RETRY_ERRORS;
break;
case 'y':
local_flags |= NO_CONFIRM;
break;
case 'f':
rh_strncpy(config_file, optarg, MAX_OPT_LEN);
break;
case 'D':
if (!optarg) {
fprintf(stderr,
"Missing mandatory argument <path> for --dir\n");
exit(1);
} else {
rh_strncpy(path_buff, optarg, MAX_OPT_LEN);
path_filter = path_buff;
}
break;
case 'o':
if (!optarg) {
fprintf(stderr,
"Missing mandatory argument <ost_index> for --ost\n");
exit(1);
}
/* parse it as a set */
if (lmgr_range2list(optarg, DB_UINT, &ost_list)) {
fprintf(stderr,
"Invalid value '%s' for --ost option: integer or set expected (e.g. 2 or 3,5-8,10-12).\n",
optarg);
exit(1);
}
/* copy arg to display it */
rh_strncpy(ost_range_str, optarg, sizeof(ost_range_str));
break;
case 'b':
if (!optarg) {
fprintf(stderr,
"Missing mandatory argument <date_time> for --since\n");
exit(1);
}
since_time = str2date(optarg);
if (since_time == (time_t)-1) {
fprintf(stderr,
"Invalid date format: yyyymmdd[HH[MM[SS]]] expected\n");
exit(1);
}
break;
case 'l':
{
int log_level = str2debuglevel(optarg);
if (log_level == -1) {
fprintf(stderr,
"Unsupported log level '%s'. CRIT, MAJOR, EVENT, VERB, DEBUG or FULL expected.\n",
optarg);
exit(1);
}
force_debug_level(log_level);
break;
}
case 'h':
display_help(bin);
exit(0);
break;
case 'V':
display_version(bin);
exit(0);
break;
case ':':
case '?':
default:
display_help(bin);
exit(1);
break;
}
}
/* check there is no extra arguments */
if (optind != argc) {
fprintf(stderr, "Error: unexpected argument on command line: %s\n",
argv[optind]);
exit(1);
}
rc = rbh_init_internals();
if (rc != 0)
exit(rc);
/* get default config file, if not specified */
if (SearchConfig(config_file, config_file, &chgd, badcfg,
MAX_OPT_LEN) != 0) {
fprintf(stderr, "No config file (or too many) found matching %s\n",
badcfg);
exit(2);
} else if (chgd) {
fprintf(stderr, "Using config file '%s'.\n", config_file);
}
/* only read ListMgr config */
if (ReadRobinhoodConfig(0, config_file, err_msg, &config, false)) {
fprintf(stderr, "Error reading configuration file '%s': %s\n",
config_file, err_msg);
exit(1);
}
/* XXX HOOK: Set logging to stderr */
strcpy(config.log_config.log_file, "stderr");
strcpy(config.log_config.report_file, "stderr");
strcpy(config.log_config.alert_file, "stderr");
/* Initialize logging */
rc = InitializeLogs(bin, &config.log_config);
if (rc) {
fprintf(stderr, "Error opening log files: rc=%d, errno=%d: %s\n",
rc, errno, strerror(errno));
exit(rc);
}
/* Initialize filesystem access */
rc = InitFS();
if (rc)
exit(rc);
/* Initialize status managers (XXX all or just the one used for
* recovery?) */
rc = smi_init_all(options.flags);
if (rc)
exit(rc);
/* Initialize list manager */
rc = ListMgr_Init(0);
if (rc) {
DisplayLog(LVL_CRIT, RECOV_TAG,
"Error initializing list manager: %s (%d)", lmgr_err2str(rc),
rc);
exit(rc);
} else
DisplayLog(LVL_DEBUG, RECOV_TAG,
"ListManager successfully initialized");
if (CheckLastFS() != 0)
exit(1);
/* Create database access */
rc = ListMgr_InitAccess(&lmgr);
if (rc) {
DisplayLog(LVL_CRIT, RECOV_TAG, "Error %d: cannot connect to database",
rc);
exit(rc);
}
#ifdef _HSM_LITE
rc = Backend_Start(&config.backend_config, 0);
if (rc) {
DisplayLog(LVL_CRIT, RECOV_TAG, "Error initializing backend");
exit(1);
}
#endif
/* create signal handlers */
memset(&act_sigterm, 0, sizeof(act_sigterm));
act_sigterm.sa_flags = 0;
act_sigterm.sa_handler = terminate_handler;
if (sigaction(SIGTERM, &act_sigterm, NULL) == -1
|| sigaction(SIGINT, &act_sigterm, NULL) == -1) {
DisplayLog(LVL_CRIT, RECOV_TAG,
"Error while setting signal handlers for SIGTERM and SIGINT: %s",
strerror(errno));
exit(1);
} else
DisplayLog(LVL_VERB, RECOV_TAG,
"Signals SIGTERM and SIGINT (abort command) are ready to be used");
if (do_status)
rc = recov_status();
else if (list_state != -1)
rc = recov_list(list_state);
else if (do_start)
rc = recov_start();
else if (do_reset)
rc = recov_reset(local_flags & NO_CONFIRM);
else if (do_resume)
rc = recov_resume(local_flags & RETRY_ERRORS);
else if (do_complete)
rc = recov_complete();
else {
display_help(bin);
rc = 1;
}
ListMgr_CloseAccess(&lmgr);
return rc;
}
/**
* Main daemon routine
*/
int main(int argc, char **argv)
{
int c, i, option_index = 0;
const char *bin;
int rc;
char err_msg[4096];
bool chgd = false;
char badcfg[RBH_PATH_MAX];
char tag_name[256] = "";
bin = rh_basename(argv[0]);
start_time = time(NULL);
zero_options(&options);
/* parse command line options */
while ((c =
getopt_long(argc, argv, SHORT_OPT_STRING, option_tab,
&option_index)) != -1) {
switch (c) {
case 's':
options.partial_scan = 1;
rh_strncpy(options.partial_scan_path, optarg, RBH_PATH_MAX);
/* clean final slash */
if (FINAL_SLASH(options.partial_scan_path))
REMOVE_FINAL_SLASH(options.partial_scan_path);
break;
case 'd':
if (parse_diff_mask(optarg, &options.diff_arg.diff_mask, err_msg)) {
fprintf(stderr, "Invalid argument for --diff: %s\n", err_msg);
exit(1);
}
break;
case 'a':
if (optarg) {
if (!strcasecmp(optarg, "fs"))
options.diff_arg.apply = APPLY_FS;
else if (!strcasecmp(optarg, "db"))
options.diff_arg.apply = APPLY_DB;
else {
fprintf(stderr,
"Invalid argument for --apply: '%s' (fs or db expected)\n",
optarg);
exit(1);
}
} else
options.diff_arg.apply = APPLY_DB;
break;
case 'D':
options.flags |= RUNFLG_DRY_RUN;
break;
case 'f':
rh_strncpy(options.config_file, optarg, MAX_OPT_LEN);
break;
#ifdef _HSM_LITE
case 'b':
options.diff_arg.recov_from_backend = 1;
break;
#endif
#ifdef _HAVE_FID /* only for lustre 2.x */
case 'o':
rh_strncpy(options.output_dir, optarg, MAX_OPT_LEN);
break;
#endif
case 'l':
{
int log_level = str2debuglevel(optarg);
if (log_level == -1) {
fprintf(stderr,
"Unsupported log level '%s'. CRIT, MAJOR, EVENT, VERB, DEBUG or FULL expected.\n",
optarg);
exit(1);
}
force_debug_level(log_level);
break;
}
case 'h':
display_help(bin);
exit(0);
break;
case 'V':
display_version(bin);
exit(0);
break;
case ':':
case '?':
default:
fprintf(stderr, "Run '%s --help' for more details.\n", bin);
exit(1);
break;
}
}
/* check there is no extra arguments */
if (optind != argc) {
fprintf(stderr, "Error: unexpected argument on command line: %s\n",
argv[optind]);
exit(1);
}
/* initialize internal resources (glib, llapi, internal resources...) */
rc = rbh_init_internals();
if (rc != 0)
exit(rc);
/* get default config file, if not specified */
if (SearchConfig(options.config_file, options.config_file, &chgd,
badcfg, MAX_OPT_LEN) != 0) {
fprintf(stderr, "No config file (or too many) found matching %s\n",
badcfg);
exit(2);
} else if (chgd) {
fprintf(stderr, "Using config file '%s'.\n", options.config_file);
}
if (rbh_cfg_load(MODULE_MASK_FS_SCAN | MODULE_MASK_ENTRY_PROCESSOR,
options.config_file, err_msg)) {
fprintf(stderr, "Error reading configuration file '%s': %s\n",
options.config_file, err_msg);
exit(1);
}
if (!log_config.force_debug_level)
log_config.debug_level = LVL_CRIT; /* least messages as possible */
/* Set logging to stderr */
strcpy(log_config.log_file, "stderr");
strcpy(log_config.report_file, "stderr");
strcpy(log_config.alert_file, "stderr");
/* Initialize logging */
rc = InitializeLogs(bin);
if (rc) {
fprintf(stderr, "Error opening log files: rc=%d, errno=%d: %s\n",
rc, errno, strerror(errno));
exit(rc);
}
/* Initialize filesystem access */
rc = InitFS();
if (rc)
exit(rc);
/* Initialize status managers */
rc = smi_init_all(options.flags);
if (rc)
exit(rc);
/* Initialize list manager */
rc = ListMgr_Init(0);
if (rc) {
DisplayLog(LVL_CRIT, DIFF_TAG,
"Error initializing list manager: %s (%d)", lmgr_err2str(rc),
rc);
exit(rc);
} else
DisplayLog(LVL_VERB, DIFF_TAG, "ListManager successfully initialized");
if (CheckLastFS() != 0)
exit(1);
if (attr_mask_is_null(options.diff_arg.diff_mask)) {
/* parse "all" */
char tmpstr[] = "all";
rc = parse_diff_mask(tmpstr, &options.diff_arg.diff_mask, err_msg);
if (rc) {
DisplayLog(LVL_CRIT, DIFF_TAG,
"unexpected error parsing diff mask: %s", err_msg);
exit(1);
}
}
options.diff_arg.diff_mask =
translate_all_status_mask(options.diff_arg.diff_mask);
#ifdef LUSTRE_DUMP_FILES
if (options.diff_arg.apply == APPLY_FS
&& !(options.flags & RUNFLG_DRY_RUN)) {
/* open the file to write LOV EA and FID remapping */
if (!EMPTY_STRING(options.output_dir)) {
char fname[RBH_PATH_MAX];
if (mkdir(options.output_dir, 0700) && (errno != EEXIST)) {
DisplayLog(LVL_CRIT, DIFF_TAG,
"Failed to create directory %s: %s",
options.output_dir, strerror(errno));
exit(1);
}
snprintf(fname, RBH_PATH_MAX - 1, "%s/" LOVEA_FNAME,
options.output_dir);
options.diff_arg.lovea_file = fopen(fname, "w");
if (options.diff_arg.lovea_file == NULL) {
DisplayLog(LVL_CRIT, DIFF_TAG,
"Failed to open %s for writing: %s", fname,
strerror(errno));
exit(1);
}
snprintf(fname, RBH_PATH_MAX - 1, "%s/" FIDREMAP_FNAME,
options.output_dir);
options.diff_arg.fid_remap_file = fopen(fname, "w");
if (options.diff_arg.fid_remap_file == NULL) {
DisplayLog(LVL_CRIT, DIFF_TAG,
"Failed to open %s for writing: %s", fname,
strerror(errno));
exit(1);
}
}
}
#endif
/* if no DB apply action is specified, can't use md_update field for
* checking removed entries. So, create a special tag for that. */
if ((options.diff_arg.apply != APPLY_DB)
|| (options.flags & RUNFLG_DRY_RUN)) {
fprintf(stderr, "Preparing diff table...\n");
/* create a connexion to the DB. this is safe to use the global lmgr var
* as statistics thread is not running */
if (!ensure_db_access())
exit(1);
/* create a tag to clear entries after the scan */
/* There could be several diff running in parallel,
* so set a suffix to avoid conflicts */
sprintf(tag_name, "DIFF_%u", (unsigned int)getpid());
options.diff_arg.db_tag = tag_name;
/* add filter for partial scan */
if (options.partial_scan) {
lmgr_filter_t filter;
filter_value_t val;
lmgr_simple_filter_init(&filter);
char tmp[RBH_PATH_MAX];
strcpy(tmp, options.partial_scan_path);
strcat(tmp, "/*");
val.value.val_str = tmp;
lmgr_simple_filter_add(&filter, ATTR_INDEX_fullpath, LIKE, val, 0);
rc = ListMgr_CreateTag(&lmgr, tag_name, &filter, false);
lmgr_simple_filter_free(&filter);
} else
rc = ListMgr_CreateTag(&lmgr, tag_name, NULL, false);
if (rc)
exit(rc);
}
/* Initialise Pipeline */
rc = EntryProcessor_Init(DIFF_PIPELINE, options.flags, &options.diff_arg);
if (rc) {
DisplayLog(LVL_CRIT, DIFF_TAG,
"Error %d initializing EntryProcessor pipeline", rc);
goto clean_tag;
} else
DisplayLog(LVL_VERB, DIFF_TAG,
"EntryProcessor successfully initialized");
fprintf(stderr, "Starting scan\n");
/* print header to indicate the content of diff
* #<diff cmd>
* ---fs[=/subdir]
* +++db
*/
for (i = 0; i < argc; i++)
printf("%s%s", i == 0 ? "# " : " ", argv[i]);
printf("\n");
if (options.diff_arg.apply == APPLY_FS) {
if (options.partial_scan)
printf("---fs=%s\n", options.partial_scan_path);
else
printf("---fs\n");
printf("+++db\n");
} else {
printf("---db\n");
if (options.partial_scan)
printf("+++fs=%s\n", options.partial_scan_path);
else
printf("+++fs\n");
}
/* Start FS scan */
if (options.partial_scan)
rc = FSScan_Start(options.flags, options.partial_scan_path);
else
rc = FSScan_Start(options.flags, NULL);
if (rc) {
DisplayLog(LVL_CRIT, DIFF_TAG, "Error %d initializing FS Scan module",
rc);
goto clean_tag;
} else
DisplayLog(LVL_VERB, DIFF_TAG,
"FS Scan module successfully initialized");
/* Flush logs now, to have a trace in the logs */
FlushLogs();
/* both pipeline and scan are now running, can now trap events and
* display stats */
/* create signal handling thread */
rc = pthread_create(&sig_thr, NULL, signal_handler_thr, NULL);
if (rc) {
DisplayLog(LVL_CRIT, DIFF_TAG,
"Error starting signal handler thread: %s", strerror(errno));
goto clean_tag;
} else
DisplayLog(LVL_VERB, DIFF_TAG,
"Signal handler thread started successfully");
pthread_create(&stat_thread, NULL, stats_thr, NULL);
/* wait for FS scan to end */
FSScan_Wait();
DisplayLog(LVL_MAJOR, DIFF_TAG, "FS Scan finished");
/* Pipeline must be flushed */
EntryProcessor_Terminate(true);
#ifdef LUSTRE_DUMP_FILES
/* flush the lovea file */
if (options.diff_arg.lovea_file) {
fprintf(stderr, " > LOV EA information written to %s/" LOVEA_FNAME "\n",
options.output_dir);
fclose(options.diff_arg.lovea_file);
}
if (options.diff_arg.fid_remap_file) {
fprintf(stderr, " > FID remapping written to %s/" FIDREMAP_FNAME "\n",
options.output_dir);
fclose(options.diff_arg.fid_remap_file);
}
#endif
fprintf(stderr, "End of scan\n");
DisplayLog(LVL_MAJOR, DIFF_TAG, "All tasks done! Exiting.");
rc = 0;
clean_tag:
/* destroy the tag before exit */
if (options.diff_arg.db_tag != NULL && ensure_db_access()) {
fprintf(stderr, "Cleaning diff table...\n");
ListMgr_DestroyTag(&lmgr, options.diff_arg.db_tag);
}
exit(rc);
return rc; /* for compiler */
}
