1 /*************************************************************************
3 * Copyright 2020 highstreet technologies GmbH and others
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 ***************************************************************************/
21 #include "utils/log_utils.h"
22 #include "utils/sys_utils.h"
27 #include <sysrepo/values.h>
29 #include "core/framework.h"
30 #include "core/session.h"
31 #include "core/context.h"
32 #include "core/docker.h"
34 #define NTS_MANAGER_MODULE "nts-manager"
35 #define NTS_SIMULATION_SCHEMA_XPATH "/nts-manager:simulation"
36 #define NTS_FUNCTION_LIST_SCHEMA_XPATH "/nts-manager:simulation/network-functions/network-function"
37 #define NTS_SDN_CONTROLLER_CONFIG_XPATH "/nts-manager:simulation/sdn-controller"
38 #define NTS_VES_ENDPOINT_CONFIG_XPATH "/nts-manager:simulation/ves-endpoint"
40 static manager_network_function_type *manager_context = 0;
41 static int manager_installed_function_types_count = 0;
43 static int manager_populate_sysrepo_network_function_list(void);
44 static int manager_populate_static_status(void);
46 static void manager_context_free(manager_network_function_type *context);
48 static int manager_process_change(int context_index, manager_network_function_type *new_context);
49 static int manager_change_cb(sr_session_ctx_t *session, const char *module_name, const char *xpath, sr_event_t event, uint32_t request_id, void *private_data);
50 static int manager_instances_get_items_cb(sr_session_ctx_t *session, const char *module_name, const char *xpath, const char *request_xpath, uint32_t request_id, struct lyd_node **parent, void *private_data);
51 static int manager_stats_get_items_cb(sr_session_ctx_t *session, const char *module_name, const char *xpath, const char *request_xpath, uint32_t request_id, struct lyd_node **parent, void *private_data);
53 int manager_run(void) {
56 log_message(1, LOG_COLOR_BOLD_YELLOW"\nrunning as MANAGER daemon...\n"LOG_COLOR_RESET);
58 manager_operations_init();
61 //get installed function types
62 struct lys_node_leaf *elem = (struct lys_node_leaf *)ly_ctx_get_node(session_context, 0, NTS_FUNCTION_LIST_SCHEMA_XPATH"/function-type", 0);
64 log_error("ly_ctx_get_node failed for xpath: %s", NTS_FUNCTION_LIST_SCHEMA_XPATH"/function-type");
65 return NTS_ERR_FAILED;
68 struct lys_ident **found = 0;
69 manager_installed_function_types_count = context_get_identity_leafs_of_type(elem->type.info.ident.ref[0], &found);
70 if(!manager_installed_function_types_count) {
71 log_error("error network functions");
72 return NTS_ERR_FAILED;
75 //initial list population
76 manager_context = (manager_network_function_type *)malloc(sizeof(manager_network_function_type) * manager_installed_function_types_count);
77 for(int i = 0; i < manager_installed_function_types_count; i++) {
78 manager_context[i].instance = 0;
80 manager_context[i].function_type = found[i];
81 asprintf(&manager_context[i].function_type_string, "%s:%s", found[i]->module->name, found[i]->name);
82 manager_context[i].docker_image_name = manager_context[i].function_type->ref;
83 manager_context[i].started_instances = 0;
84 manager_context[i].mounted_instances = 0;
85 manager_context[i].mount_point_addressing_method = strdup("docker-mapping");
86 manager_context[i].docker_instance_name = strdup(manager_context[i].function_type->name);
87 manager_context[i].docker_version_tag = strdup("");
88 manager_context[i].docker_repository = strdup("");
92 //do initial sysrepo list population
93 int rc = manager_populate_sysrepo_network_function_list();
94 if(rc != NTS_ERR_OK) {
95 log_error("manager_populate_sysrepo_network_function_list failed");
96 return NTS_ERR_FAILED;
99 rc = manager_populate_static_status();
100 if(rc != NTS_ERR_OK) {
101 log_error("manager_populate_static_status failed");
102 return NTS_ERR_FAILED;
105 //subscribe to any changes on the list
106 rc = sr_module_change_subscribe(session_running, NTS_MANAGER_MODULE, NTS_SIMULATION_SCHEMA_XPATH, manager_change_cb, NULL, 0, SR_SUBSCR_CTX_REUSE, &session_subscription);
107 if(rc != SR_ERR_OK) {
108 log_error("could not subscribe to simulation changes");
109 return NTS_ERR_FAILED;
112 rc = sr_oper_get_items_subscribe(session_running, NTS_MANAGER_MODULE, NTS_FUNCTION_LIST_SCHEMA_XPATH, manager_instances_get_items_cb, NULL, SR_SUBSCR_CTX_REUSE, &session_subscription);
113 if(rc != SR_ERR_OK) {
114 log_error("could not subscribe to oper faults");
118 rc = sr_oper_get_items_subscribe(session_running, NTS_MANAGER_MODULE, NTS_SIMULATION_SCHEMA_XPATH, manager_stats_get_items_cb, NULL, SR_SUBSCR_CTX_REUSE, &session_subscription);
119 if(rc != SR_ERR_OK) {
120 log_error("could not subscribe to oper faults");
125 while(!framework_sigint) {
129 for(int i = 0; i < manager_installed_function_types_count; i++) {
130 while(manager_context[i].started_instances) {
131 manager_stop_instance(&manager_context[i]);
133 manager_context_free(&manager_context[i]);
136 free(manager_context);
141 static int manager_populate_sysrepo_network_function_list(void) {
142 //check whether everything is already populated, read and update (if previously ran)
143 sr_val_t *values = 0;
144 size_t value_count = 0;
145 int rc = sr_get_items(session_running, NTS_FUNCTION_LIST_SCHEMA_XPATH, 0, 0, &values, &value_count);
146 if(rc != SR_ERR_OK) {
147 log_error("get items failed");
148 return NTS_ERR_FAILED;
151 //either get values, or if data inconclusive, delete everything
153 log_message(2, "nts-manager instances found (%d). cleaning up for fresh start...\n", value_count);
155 for(int i = 0; i < value_count; i++) {
156 rc = sr_delete_item(session_running, values[i].xpath, 0);
157 if(rc != SR_ERR_OK) {
158 log_error("sr_delete_item failed");
159 return NTS_ERR_FAILED;
162 rc = sr_apply_changes(session_running, 0, 0);
163 if(rc != SR_ERR_OK) {
164 log_error("sr_apply_changes failed");
165 return NTS_ERR_FAILED;
169 //populate everything if needed
170 for(int i = 0; i < manager_installed_function_types_count; i++) {
173 asprintf(&xpath, "%s[function-type='%s']/function-type", NTS_FUNCTION_LIST_SCHEMA_XPATH, manager_context[i].function_type_string);
174 rc = sr_set_item_str(session_running, xpath, (const char *)manager_context[i].function_type_string, 0, 0);
175 if(rc != SR_ERR_OK) {
176 log_error("sr_set_item_str failed");
177 return NTS_ERR_FAILED;
181 asprintf(&xpath, "%s[function-type='%s']/started-instances", NTS_FUNCTION_LIST_SCHEMA_XPATH, manager_context[i].function_type_string);
182 rc = sr_set_item_str(session_running, xpath, "0", 0, 0);
183 if(rc != SR_ERR_OK) {
184 log_error("sr_set_item_str failed");
185 return NTS_ERR_FAILED;
189 asprintf(&xpath, "%s[function-type='%s']/mounted-instances", NTS_FUNCTION_LIST_SCHEMA_XPATH, manager_context[i].function_type_string);
190 rc = sr_set_item_str(session_running, xpath, "0", 0, 0);
191 if(rc != SR_ERR_OK) {
192 log_error("sr_set_item_str failed");
193 return NTS_ERR_FAILED;
197 asprintf(&xpath, "%s[function-type='%s']/mount-point-addressing-method", NTS_FUNCTION_LIST_SCHEMA_XPATH, manager_context[i].function_type_string);
198 rc = sr_set_item_str(session_running, xpath, (const char*)manager_context[i].mount_point_addressing_method, 0, 0);
199 if(rc != SR_ERR_OK) {
200 log_error("sr_set_item_str failed");
201 return NTS_ERR_FAILED;
205 asprintf(&xpath, "%s[function-type='%s']/docker-instance-name", NTS_FUNCTION_LIST_SCHEMA_XPATH, manager_context[i].function_type_string);
206 rc = sr_set_item_str(session_running, xpath, (const char*)manager_context[i].docker_instance_name, 0, 0);
207 if(rc != SR_ERR_OK) {
208 log_error("sr_set_item_str failed");
209 return NTS_ERR_FAILED;
213 asprintf(&xpath, "%s[function-type='%s']/docker-version-tag", NTS_FUNCTION_LIST_SCHEMA_XPATH, manager_context[i].function_type_string);
214 rc = sr_set_item_str(session_running, xpath, (const char*)manager_context[i].docker_version_tag, 0, 0);
215 if(rc != SR_ERR_OK) {
216 log_error("sr_set_item_str failed");
217 return NTS_ERR_FAILED;
221 asprintf(&xpath, "%s[function-type='%s']/docker-repository", NTS_FUNCTION_LIST_SCHEMA_XPATH, manager_context[i].function_type_string);
222 rc = sr_set_item_str(session_running, xpath, (const char*)manager_context[i].docker_repository, 0, 0);
223 if(rc != SR_ERR_OK) {
224 log_error("sr_set_item_str failed");
225 return NTS_ERR_FAILED;
232 //setup sdn-controller defaults
233 rc = sr_set_item_str(session_running, NTS_SDN_CONTROLLER_CONFIG_XPATH"/controller-ip", (const char*)framework_environment.sdn_controller_ip, 0, 0);
234 if(rc != SR_ERR_OK) {
235 log_error("sr_set_item_str failed");
236 return NTS_ERR_FAILED;
239 sprintf(int_to_str, "%d", framework_environment.sdn_controller_port);
240 rc = sr_set_item_str(session_running, NTS_SDN_CONTROLLER_CONFIG_XPATH"/controller-port", (const char*)int_to_str, 0, 0);
241 if(rc != SR_ERR_OK) {
242 log_error("sr_set_item_str failed");
243 return NTS_ERR_FAILED;
246 sprintf(int_to_str, "%d", framework_environment.sdn_controller_callhome_port);
247 rc = sr_set_item_str(session_running, NTS_SDN_CONTROLLER_CONFIG_XPATH"/controller-netconf-call-home-port", (const char*)int_to_str, 0, 0);
248 if(rc != SR_ERR_OK) {
249 log_error("sr_set_item_str failed");
250 return NTS_ERR_FAILED;
253 rc = sr_set_item_str(session_running, NTS_SDN_CONTROLLER_CONFIG_XPATH"/controller-username", (const char*)framework_environment.sdn_controller_username, 0, 0);
254 if(rc != SR_ERR_OK) {
255 log_error("sr_set_item_str failed");
256 return NTS_ERR_FAILED;
259 rc = sr_set_item_str(session_running, NTS_SDN_CONTROLLER_CONFIG_XPATH"/controller-password", (const char*)framework_environment.sdn_controller_password, 0, 0);
260 if(rc != SR_ERR_OK) {
261 log_error("sr_set_item_str failed");
262 return NTS_ERR_FAILED;
265 //setup ves-endpoint details
266 rc = sr_set_item_str(session_running, NTS_VES_ENDPOINT_CONFIG_XPATH"/ves-endpoint-protocol", (const char*)framework_environment.ves_endpoint_protocol, 0, 0);
267 if(rc != SR_ERR_OK) {
268 log_error("sr_set_item_str failed");
269 return NTS_ERR_FAILED;
272 rc = sr_set_item_str(session_running, NTS_VES_ENDPOINT_CONFIG_XPATH"/ves-endpoint-ip", (const char*)framework_environment.ves_endpoint_ip, 0, 0);
273 if(rc != SR_ERR_OK) {
274 log_error("sr_set_item_str failed");
275 return NTS_ERR_FAILED;
278 sprintf(int_to_str, "%d", framework_environment.ves_endpoint_port);
279 rc = sr_set_item_str(session_running, NTS_VES_ENDPOINT_CONFIG_XPATH"/ves-endpoint-port", (const char*)int_to_str, 0, 0);
280 if(rc != SR_ERR_OK) {
281 log_error("sr_set_item_str failed");
282 return NTS_ERR_FAILED;
285 rc = sr_set_item_str(session_running, NTS_VES_ENDPOINT_CONFIG_XPATH"/ves-endpoint-auth-method", (const char*)framework_environment.ves_endpoint_auth_method, 0, 0);
286 if(rc != SR_ERR_OK) {
287 log_error("sr_set_item_str failed");
288 return NTS_ERR_FAILED;
291 rc = sr_set_item_str(session_running, NTS_VES_ENDPOINT_CONFIG_XPATH"/ves-endpoint-username", (const char*)framework_environment.ves_endpoint_username, 0, 0);
292 if(rc != SR_ERR_OK) {
293 log_error("sr_set_item_str failed");
294 return NTS_ERR_FAILED;
297 rc = sr_set_item_str(session_running, NTS_VES_ENDPOINT_CONFIG_XPATH"/ves-endpoint-password", (const char*)framework_environment.ves_endpoint_password, 0, 0);
298 if(rc != SR_ERR_OK) {
299 log_error("sr_set_item_str failed");
300 return NTS_ERR_FAILED;
303 rc = sr_set_item_str(session_running, NTS_VES_ENDPOINT_CONFIG_XPATH"/ves-endpoint-certificate", (const char*)framework_environment.ves_endpoint_certificate, 0, 0);
304 if(rc != SR_ERR_OK) {
305 log_error("sr_set_item_str failed");
306 return NTS_ERR_FAILED;
310 rc = sr_apply_changes(session_running, 0, 0);
311 if(rc != SR_ERR_OK) {
312 log_error("sr_apply_changes failed");
313 return NTS_ERR_FAILED;
319 static int manager_populate_static_status(void) {
324 //setup sdn-controller defaults
325 sprintf(int_to_str, "%d", framework_environment.host_base_port);
326 int rc = sr_set_item_str(session_operational, NTS_SIMULATION_SCHEMA_XPATH"/base-port", (const char*)int_to_str, 0, 0);
327 if(rc != SR_ERR_OK) {
328 log_error("sr_set_item_str failed");
329 return NTS_ERR_FAILED;
332 sprintf(int_to_str, "%d", framework_environment.ssh_connections);
333 rc = sr_set_item_str(session_operational, NTS_SIMULATION_SCHEMA_XPATH"/ssh-connections", (const char*)int_to_str, 0, 0);
334 if(rc != SR_ERR_OK) {
335 log_error("sr_set_item_str failed");
336 return NTS_ERR_FAILED;
339 sprintf(int_to_str, "%d", framework_environment.tls_connections);
340 rc = sr_set_item_str(session_operational, NTS_SIMULATION_SCHEMA_XPATH"/tls-connections", (const char*)int_to_str, 0, 0);
341 if(rc != SR_ERR_OK) {
342 log_error("sr_set_item_str failed");
343 return NTS_ERR_FAILED;
347 rc = sr_apply_changes(session_operational, 0, 0);
348 if(rc != SR_ERR_OK) {
349 log_error("sr_apply_changes failed");
350 return NTS_ERR_FAILED;
356 static void manager_context_free(manager_network_function_type *context) {
359 free(context->function_type_string);
360 free(context->mount_point_addressing_method);
361 free(context->docker_instance_name);
362 free(context->docker_version_tag);
363 free(context->docker_repository);
366 //take note that this happens in the sysrepo thread
367 static int manager_process_change(int context_index, manager_network_function_type *new_context) {
368 assert(context_index < manager_installed_function_types_count);
371 manager_network_function_type *current_context = &manager_context[context_index];
374 current_context->data_changed |= new_context->data_changed;
376 //process changes, and update data in current_context to resemble new_context
377 if(new_context->docker_instance_name != 0) {
378 free(current_context->docker_instance_name);
379 current_context->docker_instance_name = strdup(new_context->docker_instance_name);
382 if(new_context->docker_version_tag != 0) {
383 free(current_context->docker_version_tag);
384 current_context->docker_version_tag = strdup(new_context->docker_version_tag);
387 if(new_context->docker_repository != 0) {
388 free(current_context->docker_repository);
389 current_context->docker_repository = strdup(new_context->docker_repository);
392 if(new_context->mount_point_addressing_method != 0) {
393 free(current_context->mount_point_addressing_method);
394 current_context->mount_point_addressing_method = strdup(new_context->mount_point_addressing_method);
397 if(new_context->started_instances != -1) {
398 if(new_context->started_instances < current_context->started_instances) {
399 //remove started instances
400 while(current_context->started_instances > new_context->started_instances) {
401 log_message(2, "stopping instance of type %s\n", current_context->function_type_string);
402 rc = manager_stop_instance(current_context);
403 if(rc != NTS_ERR_OK) {
404 log_error("manager_stop_instance failed");
405 return NTS_ERR_FAILED;
409 else if(new_context->started_instances > current_context->started_instances) {
410 //add started instances
411 while(current_context->started_instances < new_context->started_instances) {
412 log_message(2, "staring instance of type %s\n", current_context->function_type_string);
413 rc = manager_start_instance(current_context);
414 if(rc != NTS_ERR_OK) {
415 log_error("manager_start_instance failed");
416 return NTS_ERR_FAILED;
422 if(new_context->mounted_instances != -1) {
423 if(new_context->mounted_instances < current_context->mounted_instances) {
424 //remove mounted instances
425 while(current_context->mounted_instances > new_context->mounted_instances) {
426 log_message(2, "unmounting instance of type %s\n", current_context->function_type_string);
427 rc = manager_unmount_instance(current_context);
428 if(rc != NTS_ERR_OK) {
429 log_error("manager_unmount_instance failed");
430 return NTS_ERR_FAILED;
434 else if(new_context->mounted_instances > current_context->mounted_instances) {
435 //add mounted instances
436 while(current_context->mounted_instances < new_context->mounted_instances) {
437 log_message(2, "mouting instance of type %s\n", current_context->function_type_string);
438 rc = manager_mount_instance(current_context);
439 if(rc != NTS_ERR_OK) {
440 log_error("manager_mount_instance failed");
441 return NTS_ERR_FAILED;
450 static int manager_change_cb(sr_session_ctx_t *session, const char *module_name, const char *xpath, sr_event_t event, uint32_t request_id, void *private_data) {
451 sr_change_iter_t *it = 0;
453 sr_change_oper_t oper;
454 sr_val_t *old_value = 0;
455 sr_val_t *new_value = 0;
457 if(event == SR_EV_CHANGE) {
458 manager_network_function_type new_context;
459 new_context.function_type = 0; //not to be used. use only from current_context
460 new_context.function_type_string = 0; //not to be used. use only from current_context
463 rc = sr_get_changes_iter(session, NTS_FUNCTION_LIST_SCHEMA_XPATH"//.", &it);
464 if(rc != SR_ERR_OK) {
465 log_error("sr_get_changes_iter failed");
466 return SR_ERR_VALIDATION_FAILED;
469 while((rc = sr_get_change_next(session, it, &oper, &old_value, &new_value)) == SR_ERR_OK) {
470 char *ov = sr_val_to_str(old_value);
471 char *nv = sr_val_to_str(new_value);
473 //get function type and index
474 char *function_type_string = strdup(strstr(new_value->xpath, "function-type='") + 15);
475 *strchr(function_type_string, '\'') = 0;
478 if((new_context.function_type_string == 0) || (strcmp(new_context.function_type_string, function_type_string) != 0)) {
480 if(new_context.function_type_string != 0) {
481 if(manager_process_change(index, &new_context) != NTS_ERR_OK) {
482 manager_context_free(&new_context);
483 return SR_ERR_VALIDATION_FAILED;
486 manager_context_free(&new_context);
490 new_context.function_type_string = function_type_string;
491 new_context.started_instances = -1;
492 new_context.mounted_instances = -1;
493 new_context.mount_point_addressing_method = 0;
494 new_context.docker_instance_name = 0;
495 new_context.docker_version_tag = 0;
496 new_context.docker_repository = 0;
498 new_context.data_changed = false;
500 //find intex in manager_context[]
501 for(int i = 0; i < manager_installed_function_types_count; i++) {
502 if(strcmp(function_type_string, manager_context[i].function_type_string) == 0) {
509 char *leaf_path = strdup(strstr(new_value->xpath, "']/") + 3);
510 if(strcmp(leaf_path, "started-instances") == 0) {
511 new_context.started_instances = new_value->data.uint16_val;
513 else if(strcmp(leaf_path, "mounted-instances") == 0) {
514 new_context.mounted_instances = new_value->data.uint16_val;
516 else if(strcmp(leaf_path, "mount-point-addressing-method") == 0) {
517 new_context.mount_point_addressing_method = strdup(nv);
519 else if(strcmp(leaf_path, "docker-instance-name") == 0) {
520 new_context.docker_instance_name = strdup(nv);
522 else if(strcmp(leaf_path, "docker-version-tag") == 0) {
523 new_context.docker_version_tag = strdup(nv);
525 else if(strcmp(leaf_path, "docker-repository") == 0) {
526 new_context.docker_repository = strdup(nv);
529 new_context.data_changed = true;
535 sr_free_val(old_value);
536 sr_free_val(new_value);
539 sr_free_change_iter(it);
542 if(manager_process_change(index, &new_context) != NTS_ERR_OK) {
543 manager_context_free(&new_context);
544 return SR_ERR_VALIDATION_FAILED;
547 manager_context_free(&new_context);
550 else if(event == SR_EV_DONE) {
551 bool global_change = true;
553 rc = sr_get_changes_iter(session, NTS_SIMULATION_SCHEMA_XPATH"//.", &it);
554 if(rc != SR_ERR_OK) {
555 log_error("sr_get_changes_iter failed");
556 return SR_ERR_VALIDATION_FAILED;
559 while((rc = sr_get_change_next(session, it, &oper, &old_value, &new_value)) == SR_ERR_OK) {
560 if(strstr(new_value->xpath, NTS_FUNCTION_LIST_SCHEMA_XPATH) == new_value->xpath) {
561 global_change = false;
562 sr_free_val(old_value);
563 sr_free_val(new_value);
567 sr_free_val(old_value);
568 sr_free_val(new_value);
571 sr_free_change_iter(it);
573 // commit all updates
574 for(int i = 0; i < manager_installed_function_types_count; i++) {
575 for(int j = 0; j < manager_context[i].started_instances; j++) {
576 if(global_change || manager_context[i].data_changed || (manager_context[i].instance[j].is_configured == false)) {
577 log_message(2, "configuring instance %d of type %s\n", j, manager_context[i].function_type_string);
578 rc = manager_config_instance(&manager_context[i], &manager_context[i].instance[j]);
579 if(rc != NTS_ERR_OK) {
580 log_error("manager_config_instance failed");
585 manager_context[i].data_changed = false;
587 global_change = false;
593 static int manager_instances_get_items_cb(sr_session_ctx_t *session, const char *module_name, const char *xpath, const char *request_xpath, uint32_t request_id, struct lyd_node **parent, void *private_data) {
597 *parent = lyd_new_path(NULL, sr_get_context(sr_session_get_connection(session)), NTS_FUNCTION_LIST_SCHEMA_XPATH, 0, 0, 0);
599 return SR_ERR_OPERATION_FAILED;
602 for(int i = 0; i < manager_installed_function_types_count; i++) {
603 char *ftype_path = 0;
604 asprintf(&ftype_path, "%s[function-type='%s']/instances/instance", NTS_FUNCTION_LIST_SCHEMA_XPATH, manager_context[i].function_type_string);
605 for(int j = 0; j < manager_context[i].started_instances; j++) {
606 char *instance_path = 0;
607 asprintf(&instance_path, "%s[name='%s']", ftype_path, manager_context[i].instance[j].name);
611 asprintf(&full_path, "%s/mount-point-addressing-method", instance_path);
612 if(lyd_new_path(*parent, NULL, full_path, manager_context[i].instance[j].mount_point_addressing_method, 0, 0) == 0) {
613 return SR_ERR_OPERATION_FAILED;
617 asprintf(&full_path, "%s/networking/docker-ip", instance_path);
618 if(lyd_new_path(*parent, NULL, full_path, manager_context[i].instance[j].docker_ip, 0, 0) == 0) {
619 return SR_ERR_OPERATION_FAILED;
623 asprintf(&full_path, "%s/networking/docker-port", instance_path);
624 sprintf(value, "%d", manager_context[i].instance[j].docker_port);
625 if(lyd_new_path(*parent, NULL, full_path, value, 0, 0) == 0) {
626 return SR_ERR_OPERATION_FAILED;
630 asprintf(&full_path, "%s/networking/host-ip", instance_path);
631 if(lyd_new_path(*parent, NULL, full_path, manager_context[i].instance[j].host_ip, 0, 0) == 0) {
632 return SR_ERR_OPERATION_FAILED;
636 asprintf(&full_path, "%s/networking/host-port", instance_path);
637 sprintf(value, "%d", manager_context[i].instance[j].host_port);
638 if(lyd_new_path(*parent, NULL, full_path, value, 0, 0) == 0) {
639 return SR_ERR_OPERATION_FAILED;
651 static int manager_stats_get_items_cb(sr_session_ctx_t *session, const char *module_name, const char *xpath, const char *request_xpath, uint32_t request_id, struct lyd_node **parent, void *private_data) {
655 *parent = lyd_new_path(NULL, sr_get_context(sr_session_get_connection(session)), NTS_SIMULATION_SCHEMA_XPATH, 0, 0, 0);
657 return SR_ERR_OPERATION_FAILED;
660 docker_usage_t usage = docker_usage_get(manager_context, manager_installed_function_types_count);
662 sprintf(value, "%.2f", usage.cpu);
663 if(lyd_new_path(*parent, NULL, NTS_SIMULATION_SCHEMA_XPATH"/cpu-usage", value, 0, 0) == 0) {
664 return SR_ERR_OPERATION_FAILED;
667 sprintf(value, "%.0f", usage.mem);
668 if(lyd_new_path(*parent, NULL, NTS_SIMULATION_SCHEMA_XPATH"/mem-usage", value, 0, 0) == 0) {
669 return SR_ERR_OPERATION_FAILED;