コード例 #1
0
ファイル: sview.c プロジェクト: artpol84/slurm
static void _reconfigure(GtkToggleAction *action)
{
	char *temp = NULL;

	if (!slurm_reconfigure())
		temp = g_strdup_printf(
			"Reconfigure sent to slurm successfully");
	else
		temp = g_strdup_printf("Problem with reconfigure request");
	display_edit_note(temp);
	g_free(temp);
}
コード例 #2
0
ファイル: reconfigure-tst.c プロジェクト: IFCA/slurm
/* main is used here for module testing purposes only */
int 
main (int argc, char *argv[]) {
	int i, count, error_code;

	if (argc < 2)
		count = 1;
	else
		count = atoi (argv[1]);

	for (i = 0; i < count; i++) {
		error_code = slurm_reconfigure ();
		if (error_code != 0) {
			slurm_perror ("slurm_reconfigure");
			return (1);
		}
	}
	return (0);
}
コード例 #3
0
extern int filetxt_jobacct_process_archive(slurmdb_archive_cond_t *arch_cond)
{
	char	line[BUFFER_SIZE],
		*f[EXPIRE_READ_LENGTH],
		*fptr = NULL,
		*logfile_name = NULL,
		*old_logfile_name = NULL,
		*filein = NULL,
		*object = NULL;
	int	file_err=0,
		new_file,
		i = 0,
		rc = SLURM_ERROR;
	expired_rec_t *exp_rec = NULL;
	expired_rec_t *exp_rec2 = NULL;
	List keep_list = list_create(_destroy_exp);
	List exp_list = list_create(_destroy_exp);
	List other_list = list_create(_destroy_exp);
	struct	stat statbuf;
	mode_t	prot = 0600;
	uid_t	uid;
	gid_t	gid;
	FILE	*expired_logfile = NULL,
		*new_logfile = NULL;
	FILE *fd = NULL;
	int lc=0;
	int rec_type = -1;
	ListIterator itr = NULL;
	ListIterator itr2 = NULL;
	slurmdb_job_cond_t *job_cond = NULL;

	/* Figure out our expiration date */
	time_t		expiry;

	if (!arch_cond || !arch_cond->job_cond) {
		error("no job_cond was given for archive");
		return SLURM_ERROR;
	}

	job_cond = arch_cond->job_cond;

	if (!arch_cond->archive_script)
		filein = slurm_get_accounting_storage_loc();
	else
		filein = arch_cond->archive_script;

	expiry = time(NULL) - job_cond->usage_end;

	debug("Purging jobs completed prior to %d", (int)expiry);

	/* Open the current or specified logfile, or quit */
	fd = _open_log_file(filein);
	if (stat(filein, &statbuf)) {
		perror("stat'ing logfile");
		goto finished;
	}
	if ((statbuf.st_mode & S_IFLNK) == S_IFLNK) {
		error("%s is a symbolic link; --expire requires "
		      "a hard-linked file name", filein);
		goto finished;
	}
	if (!(statbuf.st_mode & S_IFREG)) {
		error("%s is not a regular file; --expire "
			"only works on accounting log files",
			filein);
		goto finished;
	}
	prot = statbuf.st_mode & 0777;
	gid  = statbuf.st_gid;
	uid  = statbuf.st_uid;
	old_logfile_name = _prefix_filename(filein, ".old.");
	if (stat(old_logfile_name, &statbuf)) {
		if (errno != ENOENT) {
			fprintf(stderr,"Error checking for %s: ",
				old_logfile_name);
			perror("");
			goto finished;
		}
	} else {
		error("Warning! %s exists -- please remove "
			"or rename it before proceeding",
			old_logfile_name);
		goto finished;
	}

	/* create our initial buffer */
	while (fgets(line, BUFFER_SIZE, fd)) {
		lc++;
		fptr = line;	/* break the record into NULL-
				   terminated strings */
		exp_rec = xmalloc(sizeof(expired_rec_t));
		exp_rec->line = xstrdup(line);

		for (i = 0; i < EXPIRE_READ_LENGTH; i++)
			f[i] = fptr;	/* Initialization for bad data read */
		for (i = 0; i < EXPIRE_READ_LENGTH; i++) {
			f[i] = fptr;
			fptr = strstr(fptr, " ");
			if (fptr == NULL)
				break;
			else
				*fptr++ = 0;
		}

		exp_rec->job = atoi(f[F_JOB]);
		exp_rec->job_submit = atoi(f[F_JOB_SUBMIT]);

		rec_type = atoi(f[F_RECTYPE]);
		/* Odd, but complain some other time */
		if (rec_type == JOB_TERMINATED) {
			if (expiry < atoi(f[F_TIMESTAMP])) {
				list_append(keep_list, exp_rec);
				continue;
			}
			if ((rec_type == JOB_START) && job_cond->partition_list
			    && list_count(job_cond->partition_list)) {
				itr = list_iterator_create(
					job_cond->partition_list);
				while((object = list_next(itr)))
					if (!strcasecmp(f[F_PARTITION], object))
						break;

				list_iterator_destroy(itr);
				if (!object)
					continue;	/* no match */
			}

			list_append(exp_list, exp_rec);
			debug2("Selected: %8d %d",
			       exp_rec->job,
			       (int)exp_rec->job_submit);
		} else {
			list_append(other_list, exp_rec);
		}
	}
	if (!list_count(exp_list)) {
		debug3("No job records were purged.");
		goto finished;
	}
	logfile_name = xmalloc(strlen(filein)+sizeof(".expired"));
	sprintf(logfile_name, "%s.expired", filein);
	new_file = stat(logfile_name, &statbuf);
	if ((expired_logfile = fopen(logfile_name, "a"))==NULL) {
		error("Error while opening %s",
			logfile_name);
		perror("");
		xfree(logfile_name);
		goto finished;
	}

	if (new_file) {  /* By default, the expired file looks like the log */
		chmod(logfile_name, prot);
		if (chown(logfile_name, uid, gid) == -1)
			error("Couldn't change ownership of %s to %u:%u",
			      logfile_name, uid, gid);
	}
	xfree(logfile_name);

	logfile_name = _prefix_filename(filein, ".new.");
	if ((new_logfile = fopen(logfile_name, "w"))==NULL) {
		error("Error while opening %s",
			logfile_name);
		perror("");
		fclose(expired_logfile);
		goto finished;
	}
	chmod(logfile_name, prot);     /* preserve file protection */
	if (chown(logfile_name, uid, gid) == -1)/* and ownership */
		error("2 Couldn't change ownership of %s to %u:%u",
		      logfile_name, uid, gid);
	/* Use line buffering to allow us to safely write
	 * to the log file at the same time as slurmctld. */
	if (setvbuf(new_logfile, NULL, _IOLBF, 0)) {
		perror("setvbuf()");
		fclose(expired_logfile);
		goto finished2;
	}

	list_sort(exp_list, (ListCmpF) _cmp_jrec);
	list_sort(keep_list, (ListCmpF) _cmp_jrec);

	/* if (params->opt_verbose > 2) { */
/* 		error("--- contents of exp_list ---"); */
/* 		itr = list_iterator_create(exp_list); */
/* 		while((exp_rec = list_next(itr))) */
/* 			error("%d", exp_rec->job); */
/* 		error("---- end of exp_list ---"); */
/* 		list_iterator_destroy(itr); */
/* 	} */
	/* write the expired file */
	itr = list_iterator_create(exp_list);
	while((exp_rec = list_next(itr))) {
		itr2 = list_iterator_create(other_list);
		while((exp_rec2 = list_next(itr2))) {
			if ((exp_rec2->job != exp_rec->job)
			   || (exp_rec2->job_submit != exp_rec->job_submit))
				continue;
			if (fputs(exp_rec2->line, expired_logfile)<0) {
				perror("writing expired_logfile");
				list_iterator_destroy(itr2);
				list_iterator_destroy(itr);
				fclose(expired_logfile);
				goto finished2;
			}
			list_remove(itr2);
			_destroy_exp(exp_rec2);
		}
		list_iterator_destroy(itr2);
		if (fputs(exp_rec->line, expired_logfile)<0) {
			perror("writing expired_logfile");
			list_iterator_destroy(itr);
			fclose(expired_logfile);
			goto finished2;
		}
	}
	list_iterator_destroy(itr);
	fclose(expired_logfile);

	/* write the new log */
	itr = list_iterator_create(keep_list);
	while((exp_rec = list_next(itr))) {
		itr2 = list_iterator_create(other_list);
		while((exp_rec2 = list_next(itr2))) {
			if (exp_rec2->job != exp_rec->job)
				continue;
			if (fputs(exp_rec2->line, new_logfile)<0) {
				perror("writing keep_logfile");
				list_iterator_destroy(itr2);
				list_iterator_destroy(itr);
				goto finished2;
			}
			list_remove(itr2);
			_destroy_exp(exp_rec2);
		}
		list_iterator_destroy(itr2);
		if (fputs(exp_rec->line, new_logfile)<0) {
			perror("writing keep_logfile");
			list_iterator_destroy(itr);
			goto finished2;
		}
	}
	list_iterator_destroy(itr);

	/* write records in other_list to new log */
	itr = list_iterator_create(other_list);
	while((exp_rec = list_next(itr))) {
		if (fputs(exp_rec->line, new_logfile)<0) {
			perror("writing keep_logfile");
			list_iterator_destroy(itr);
			goto finished2;
		}
	}
	list_iterator_destroy(itr);

	if (rename(filein, old_logfile_name)) {
		perror("renaming logfile to .old.");
		goto finished2;
	}
	if (rename(logfile_name, filein)) {
		perror("renaming new logfile");
		/* undo it? */
		if (!rename(old_logfile_name, filein))
			error("Please correct the problem "
				"and try again");
		else
			error("SEVERE ERROR: Current accounting "
				"log may have been renamed %s;\n"
				"please rename it to \"%s\" if necessary, "
			        "and try again",
				old_logfile_name, filein);
		goto finished2;
	}
	fflush(new_logfile);	/* Flush the buffers before forking */
	fflush(fd);

	file_err = slurm_reconfigure();
	if (file_err) {
		file_err = 1;
		error("Error: Attempt to reconfigure SLURM failed.");
		if (rename(old_logfile_name, filein)) {
			perror("renaming logfile from .old.");
			goto finished2;
		}

	}
	if (fseek(fd, 0, SEEK_CUR)) {	/* clear EOF */
		perror("looking for late-arriving records");
		goto finished2;
	}

	/* reopen new logfile in append mode, since slurmctld may write it */
	if (freopen(filein, "a", new_logfile) == NULL) {
		perror("reopening new logfile");
		goto finished2;
	}

	while (fgets(line, BUFFER_SIZE, fd)) {
		if (fputs(line, new_logfile)<0) {
			perror("writing final records");
			goto finished2;
		}
	}
	rc = SLURM_SUCCESS;

	printf("%d jobs expired.\n", list_count(exp_list));
finished2:
	fclose(new_logfile);
	if (!file_err) {
		if (unlink(old_logfile_name) == -1)
			error("Unable to unlink old logfile %s: %m",
			      old_logfile_name);
	}
finished:
	xfree(filein);

	fclose(fd);
	list_destroy(exp_list);
	list_destroy(keep_list);
	list_destroy(other_list);
	xfree(old_logfile_name);
	xfree(logfile_name);

	return rc;
}