Example #1
0
/* Load and process BurstBufferParameters configuration parameter */
static void _load_config(void)
{
	s_p_hashtbl_t *bb_hashtbl = NULL;
	char *bb_conf, *tmp = NULL, *value;
	static s_p_options_t bb_options[] = {
		{"AllowUsers", S_P_STRING},
		{"DenyUsers", S_P_STRING},
		{"GetSysState", S_P_STRING},
		{"JobSizeLimit", S_P_STRING},
		{"StagedInPrioBoost", S_P_UINT32},
		{"StartStageIn", S_P_STRING},
		{"StartStageOut", S_P_STRING},
		{"StopStageIn", S_P_STRING},
		{"StopStageOut", S_P_STRING},
		{"UserSizeLimit", S_P_STRING},
		{NULL}
	};

	_clear_config();
	if (slurm_get_debug_flags() & DEBUG_FLAG_BURST_BUF)
		debug_flag = true;

	bb_conf = get_extra_conf_path("burst_buffer.conf");
	bb_hashtbl = s_p_hashtbl_create(bb_options);
	if (s_p_parse_file(bb_hashtbl, NULL, bb_conf, false) == SLURM_ERROR)
		fatal("something wrong with opening/reading %s: %m", bb_conf);
	if (s_p_get_string(&allow_users_str, "AllowUsers", bb_hashtbl))
		allow_users = _parse_users(allow_users_str);
	if (s_p_get_string(&deny_users_str, "DenyUsers", bb_hashtbl))
		deny_users = _parse_users(deny_users_str);
	s_p_get_string(&get_sys_state, "GetSysState", bb_hashtbl);
	if (s_p_get_string(&tmp, "JobSizeLimit", bb_hashtbl)) {
		job_size_limit = _get_size_num(tmp);
		xfree(tmp);
	}
	s_p_get_uint32(&prio_boost, "StagedInPrioBoost", bb_hashtbl);
	s_p_get_string(&start_stage_in, "StartStageIn", bb_hashtbl);
	s_p_get_string(&start_stage_out, "StartStageOut", bb_hashtbl);
	s_p_get_string(&stop_stage_in, "StopStageIn", bb_hashtbl);
	s_p_get_string(&stop_stage_out, "StopStageOut", bb_hashtbl);
	if (s_p_get_string(&tmp, "UserSizeLimit", bb_hashtbl)) {
		user_size_limit = _get_size_num(tmp);
		xfree(tmp);
	}

	s_p_hashtbl_destroy(bb_hashtbl);
	xfree(bb_conf);

	if (debug_flag) {
		value = _print_users(allow_users);
		info("%s: AllowUsers:%s",  __func__, value);
		xfree(value);

		value = _print_users(deny_users);
		info("%s: DenyUsers:%s",  __func__, value);
		xfree(value);

		info("%s: GetSysState:%s",  __func__, get_sys_state);
		info("%s: JobSizeLimit:%u",  __func__, job_size_limit);
		info("%s: StagedInPrioBoost:%u", __func__, prio_boost);
		info("%s: StartStageIn:%s",  __func__, start_stage_in);
		info("%s: StartStageOut:%s",  __func__, start_stage_out);
		info("%s: StopStageIn:%s",  __func__, stop_stage_in);
		info("%s: StopStageOut:%s",  __func__, stop_stage_out);
		info("%s: UserSizeLimit:%u",  __func__, user_size_limit);
	}
}
/* Load and process configuration parameters */
extern void bb_load_config(bb_state_t *state_ptr, char *plugin_type)
{
	s_p_hashtbl_t *bb_hashtbl = NULL;
	char *bb_conf, *tmp = NULL, *value;
#if _SUPPORT_ALT_POOL
	char *colon, *save_ptr = NULL, *tok;
	uint32_t pool_cnt;
#endif
	int fd, i;
	static s_p_options_t bb_options[] = {
		{"AllowUsers", S_P_STRING},
#if _SUPPORT_ALT_POOL
		{"AltPool", S_P_STRING},
#endif
		{"CreateBuffer", S_P_STRING},
		{"DefaultPool", S_P_STRING},
		{"DenyUsers", S_P_STRING},
		{"DestroyBuffer", S_P_STRING},
		{"Flags", S_P_STRING},
		{"GetSysState", S_P_STRING},
		{"Granularity", S_P_STRING},
		{"OtherTimeout", S_P_UINT32},
		{"StageInTimeout", S_P_UINT32},
		{"StageOutTimeout", S_P_UINT32},
		{"StartStageIn", S_P_STRING},
		{"StartStageOut", S_P_STRING},
		{"StopStageIn", S_P_STRING},
		{"StopStageOut", S_P_STRING},
		{"ValidateTimeout", S_P_UINT32},
		{NULL}
	};

	xfree(state_ptr->name);
	if (plugin_type) {
		tmp = strchr(plugin_type, '/');
		if (tmp)
			tmp++;
		else
			tmp = plugin_type;
		state_ptr->name = xstrdup(tmp);
	}

	/* Set default configuration */
	bb_clear_config(&state_ptr->bb_config, false);
	if (slurm_get_debug_flags() & DEBUG_FLAG_BURST_BUF)
		state_ptr->bb_config.debug_flag = true;
	state_ptr->bb_config.flags |= BB_FLAG_DISABLE_PERSISTENT;
	state_ptr->bb_config.other_timeout = DEFAULT_OTHER_TIMEOUT;
	state_ptr->bb_config.stage_in_timeout = DEFAULT_STATE_IN_TIMEOUT;
	state_ptr->bb_config.stage_out_timeout = DEFAULT_STATE_OUT_TIMEOUT;
	state_ptr->bb_config.validate_timeout = DEFAULT_VALIDATE_TIMEOUT;

	/* First look for "burst_buffer.conf" then with "type" field,
	 * for example "burst_buffer_cray.conf" */
	bb_conf = get_extra_conf_path("burst_buffer.conf");
	fd = open(bb_conf, 0);
	if (fd >= 0) {
		close(fd);
	} else {
		char *new_path = NULL;
		xfree(bb_conf);
		xstrfmtcat(new_path, "burst_buffer_%s.conf", state_ptr->name);
		bb_conf = get_extra_conf_path(new_path);
		fd = open(bb_conf, 0);
		if (fd < 0) {
			info("%s: Unable to find configuration file %s or "
			     "burst_buffer.conf", __func__, new_path);
			xfree(bb_conf);
			xfree(new_path);
			return;
		}
		close(fd);
		xfree(new_path);
	}

	bb_hashtbl = s_p_hashtbl_create(bb_options);
	if (s_p_parse_file(bb_hashtbl, NULL, bb_conf, false) == SLURM_ERROR) {
		fatal("%s: something wrong with opening/reading %s: %m",
		      __func__, bb_conf);
	}
	if (s_p_get_string(&state_ptr->bb_config.allow_users_str, "AllowUsers",
			   bb_hashtbl)) {
		state_ptr->bb_config.allow_users = _parse_users(
					state_ptr->bb_config.allow_users_str);
	}
	s_p_get_string(&state_ptr->bb_config.create_buffer, "CreateBuffer",
		       bb_hashtbl);
	s_p_get_string(&state_ptr->bb_config.default_pool, "DefaultPool",
		       bb_hashtbl);
	if (s_p_get_string(&state_ptr->bb_config.deny_users_str, "DenyUsers",
			   bb_hashtbl)) {
		state_ptr->bb_config.deny_users = _parse_users(
					state_ptr->bb_config.deny_users_str);
	}
	s_p_get_string(&state_ptr->bb_config.destroy_buffer, "DestroyBuffer",
		       bb_hashtbl);

	if (s_p_get_string(&tmp, "Flags", bb_hashtbl)) {
		state_ptr->bb_config.flags = slurm_bb_str2flags(tmp);
		xfree(tmp);
	}
	/* By default, disable persistent buffer creation by normal users */
	if (state_ptr->bb_config.flags & BB_FLAG_ENABLE_PERSISTENT)
		state_ptr->bb_config.flags &= (~BB_FLAG_DISABLE_PERSISTENT);

	s_p_get_string(&state_ptr->bb_config.get_sys_state, "GetSysState",
		       bb_hashtbl);
	if (s_p_get_string(&tmp, "Granularity", bb_hashtbl)) {
		state_ptr->bb_config.granularity = bb_get_size_num(tmp, 1);
		xfree(tmp);
		if (state_ptr->bb_config.granularity == 0) {
			error("%s: Granularity=0 is invalid", __func__);
			state_ptr->bb_config.granularity = 1;
		}
	}
#if _SUPPORT_ALT_POOL
	if (s_p_get_string(&tmp, "AltPool", bb_hashtbl)) {
		tok = strtok_r(tmp, ",", &save_ptr);
		while (tok) {
			colon = strchr(tok, ':');
			if (colon) {
				colon[0] = '\0';
				pool_cnt = _atoi(colon + 1);
			} else
				pool_cnt = 1;
			state_ptr->bb_config.pool_ptr = xrealloc(
				state_ptr->bb_config.pool_ptr,
				sizeof(burst_buffer_pool_t) *
				(state_ptr->bb_config.pool_cnt + 1));
			state_ptr->bb_config.
				pool_ptr[state_ptr->bb_config.pool_cnt].name =
				xstrdup(tok);
			state_ptr->bb_config.
				pool_ptr[state_ptr->bb_config.pool_cnt].
				avail_space = pool_cnt;
			state_ptr->bb_config.pool_cnt++;
			tok = strtok_r(NULL, ",", &save_ptr);
		}
		xfree(tmp);
	}
#endif

	(void) s_p_get_uint32(&state_ptr->bb_config.other_timeout,
			     "OtherTimeout", bb_hashtbl);
	(void) s_p_get_uint32(&state_ptr->bb_config.stage_in_timeout,
			    "StageInTimeout", bb_hashtbl);
	(void) s_p_get_uint32(&state_ptr->bb_config.stage_out_timeout,
			    "StageOutTimeout", bb_hashtbl);
	s_p_get_string(&state_ptr->bb_config.start_stage_in, "StartStageIn",
		       bb_hashtbl);
	s_p_get_string(&state_ptr->bb_config.start_stage_out, "StartStageOut",
			    bb_hashtbl);
	s_p_get_string(&state_ptr->bb_config.stop_stage_in, "StopStageIn",
		       bb_hashtbl);
	s_p_get_string(&state_ptr->bb_config.stop_stage_out, "StopStageOut",
		       bb_hashtbl);
	(void) s_p_get_uint32(&state_ptr->bb_config.validate_timeout,
			     "ValidateTimeout", bb_hashtbl);

	s_p_hashtbl_destroy(bb_hashtbl);
	xfree(bb_conf);

	if (state_ptr->bb_config.debug_flag) {
		value = _print_users(state_ptr->bb_config.allow_users);
		info("%s: AllowUsers:%s",  __func__, value);
		xfree(value);
		info("%s: CreateBuffer:%s",  __func__,
		     state_ptr->bb_config.create_buffer);
		info("%s: DefaultPool:%s",  __func__,
		     state_ptr->bb_config.default_pool);
		value = _print_users(state_ptr->bb_config.deny_users);
		info("%s: DenyUsers:%s",  __func__, value);
		xfree(value);
		info("%s: DestroyBuffer:%s",  __func__,
		     state_ptr->bb_config.destroy_buffer);
		info("%s: GetSysState:%s",  __func__,
		     state_ptr->bb_config.get_sys_state);
		info("%s: Granularity:%"PRIu64"",  __func__,
		     state_ptr->bb_config.granularity);
		for (i = 0; i < state_ptr->bb_config.pool_cnt; i++) {
			info("%s: AltPoolName[%d]:%s:%"PRIu64"", __func__, i,
			     state_ptr->bb_config.pool_ptr[i].name,
			     state_ptr->bb_config.pool_ptr[i].total_space);
		}
		info("%s: OtherTimeout:%u", __func__,
		     state_ptr->bb_config.other_timeout);
		info("%s: StageInTimeout:%u", __func__,
		     state_ptr->bb_config.stage_in_timeout);
		info("%s: StageOutTimeout:%u", __func__,
		     state_ptr->bb_config.stage_out_timeout);
		info("%s: StartStageIn:%s",  __func__,
		     state_ptr->bb_config.start_stage_in);
		info("%s: StartStageOut:%s",  __func__,
		     state_ptr->bb_config.start_stage_out);
		info("%s: StopStageIn:%s",  __func__,
		     state_ptr->bb_config.stop_stage_in);
		info("%s: StopStageOut:%s",  __func__,
		     state_ptr->bb_config.stop_stage_out);
		info("%s: ValidateTimeout:%u", __func__,
		     state_ptr->bb_config.validate_timeout);
	}
}