summaryrefslogtreecommitdiffstats
path: root/exporting/read_config.c
blob: cd8af6bf61b18ae963fffcc187718e368d79ae0e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
// SPDX-License-Identifier: GPL-3.0-or-later

#include "exporting_engine.h"

EXPORTING_OPTIONS global_exporting_options = EXPORTING_SOURCE_DATA_AVERAGE | EXPORTING_OPTION_SEND_NAMES;
const char *global_exporting_prefix = "netdata";

struct config exporting_config = { .first_section = NULL,
                                   .last_section = NULL,
                                   .mutex = NETDATA_MUTEX_INITIALIZER,
                                   .index = { .avl_tree = { .root = NULL, .compar = appconfig_section_compare },
                                              .rwlock = AVL_LOCK_INITIALIZER } };

struct instance *prometheus_exporter_instance = NULL;

static _CONNECTOR_INSTANCE *find_instance(const char *section)
{
    _CONNECTOR_INSTANCE *local_ci;

    local_ci = add_connector_instance(NULL, NULL); // Get root section
    if (unlikely(!local_ci))
        return local_ci;

    if (!section)
        return local_ci;

    while (local_ci) {
        if (!strcmp(local_ci->instance_name, section))
            break;
        local_ci = local_ci->next;
    }
    return local_ci;
}

char *expconfig_get(struct config *root, const char *section, const char *name, const char *default_value)
{
    _CONNECTOR_INSTANCE *local_ci;

    if (!strcmp(section, CONFIG_SECTION_EXPORTING))
        return appconfig_get(root, CONFIG_SECTION_EXPORTING, name, default_value);

    local_ci = find_instance(section);

    if (!local_ci)
        return NULL; // TODO: Check if it is meaningful to return default_value

    return appconfig_get(
        root, local_ci->instance_name, name,
        appconfig_get(
            root, local_ci->connector_name, name, appconfig_get(root, CONFIG_SECTION_EXPORTING, name, default_value)));
}

int expconfig_get_boolean(struct config *root, const char *section, const char *name, int default_value)
{
    _CONNECTOR_INSTANCE *local_ci;

    if (!strcmp(section, CONFIG_SECTION_EXPORTING))
        return appconfig_get_boolean(root, CONFIG_SECTION_EXPORTING, name, default_value);

    local_ci = find_instance(section);

    if (!local_ci)
        return 0; // TODO: Check if it is meaningful to return default_value

    return appconfig_get_boolean(
        root, local_ci->instance_name, name,
        appconfig_get_boolean(
            root, local_ci->connector_name, name,
            appconfig_get_boolean(root, CONFIG_SECTION_EXPORTING, name, default_value)));
}

long long expconfig_get_number(struct config *root, const char *section, const char *name, long long default_value)
{
    _CONNECTOR_INSTANCE *local_ci;

    if (!strcmp(section, CONFIG_SECTION_EXPORTING))
        return appconfig_get_number(root, CONFIG_SECTION_EXPORTING, name, default_value);

    local_ci = find_instance(section);

    if (!local_ci)
        return 0; // TODO: Check if it is meaningful to return default_value

    return appconfig_get_number(
        root, local_ci->instance_name, name,
        appconfig_get_number(
            root, local_ci->connector_name, name,
            appconfig_get_number(root, CONFIG_SECTION_EXPORTING, name, default_value)));
}

/*
 * Get the next connector instance that we need to activate
 *
 * @param @target_ci will be filled with instance name and connector name
 *
 * @return  - 1 if more connectors to be fetched, 0 done
 *
 */

int get_connector_instance(struct connector_instance *target_ci)
{
    static _CONNECTOR_INSTANCE *local_ci = NULL;
    _CONNECTOR_INSTANCE *global_connector_instance;

    global_connector_instance = find_instance(NULL); // Fetch head of instances

    if (unlikely(!global_connector_instance))
        return 0;

    if (target_ci == NULL) {
        local_ci = NULL;
        return 1;
    }
    if (local_ci == NULL)
        local_ci = global_connector_instance;
    else {
        local_ci = local_ci->next;
        if (local_ci == NULL)
            return 0;
    }

    strcpy(target_ci->instance_name, local_ci->instance_name);
    strcpy(target_ci->connector_name, local_ci->connector_name);

    return 1;
}

/**
 * Select Type
 *
 * Select the connector type based on the user input
 *
 * @param type is the string that defines the connector type
 *
 * @return It returns the connector id.
 */
EXPORTING_CONNECTOR_TYPE exporting_select_type(const char *type)
{
    if (!strcmp(type, "graphite") || !strcmp(type, "graphite:plaintext")) {
        return EXPORTING_CONNECTOR_TYPE_GRAPHITE;
    } else if (!strcmp(type, "graphite:http") || !strcmp(type, "graphite:https")) {
        return EXPORTING_CONNECTOR_TYPE_GRAPHITE_HTTP;
    } else if (!strcmp(type, "json") || !strcmp(type, "json:plaintext")) {
        return EXPORTING_CONNECTOR_TYPE_JSON;
    } else if (!strcmp(type, "json:http") || !strcmp(type, "json:https")) {
        return EXPORTING_CONNECTOR_TYPE_JSON_HTTP;
    } else if (!strcmp(type, "opentsdb") || !strcmp(type, "opentsdb:telnet")) {
        return EXPORTING_CONNECTOR_TYPE_OPENTSDB;
    } else if (!strcmp(type, "opentsdb:http") || !strcmp(type, "opentsdb:https")) {
        return EXPORTING_CONNECTOR_TYPE_OPENTSDB_HTTP;
    } else if (
        !strcmp(type, "prometheus_remote_write") ||
        !strcmp(type, "prometheus_remote_write:http") ||
        !strcmp(type, "prometheus_remote_write:https")) {
        return EXPORTING_CONNECTOR_TYPE_PROMETHEUS_REMOTE_WRITE;
    } else if (!strcmp(type, "kinesis") || !strcmp(type, "kinesis:plaintext")) {
        return EXPORTING_CONNECTOR_TYPE_KINESIS;
    } else if (!strcmp(type, "pubsub") || !strcmp(type, "pubsub:plaintext")) {
        return EXPORTING_CONNECTOR_TYPE_PUBSUB;
    } else if (!strcmp(type, "mongodb") || !strcmp(type, "mongodb:plaintext"))
        return EXPORTING_CONNECTOR_TYPE_MONGODB;

    return EXPORTING_CONNECTOR_TYPE_UNKNOWN;
}

inline EXPORTING_OPTIONS exporting_parse_data_source(const char *data_source, EXPORTING_OPTIONS exporting_options)
{
    if (!strcmp(data_source, "raw") || !strcmp(data_source, "as collected") || !strcmp(data_source, "as-collected") ||
        !strcmp(data_source, "as_collected") || !strcmp(data_source, "ascollected")) {
        exporting_options |= EXPORTING_SOURCE_DATA_AS_COLLECTED;
        exporting_options &= ~(EXPORTING_OPTIONS_SOURCE_BITS ^ EXPORTING_SOURCE_DATA_AS_COLLECTED);
    } else if (!strcmp(data_source, "average")) {
        exporting_options |= EXPORTING_SOURCE_DATA_AVERAGE;
        exporting_options &= ~(EXPORTING_OPTIONS_SOURCE_BITS ^ EXPORTING_SOURCE_DATA_AVERAGE);
    } else if (!strcmp(data_source, "sum") || !strcmp(data_source, "volume")) {
        exporting_options |= EXPORTING_SOURCE_DATA_SUM;
        exporting_options &= ~(EXPORTING_OPTIONS_SOURCE_BITS ^ EXPORTING_SOURCE_DATA_SUM);
    } else {
        netdata_log_error("EXPORTING: invalid data data_source method '%s'.", data_source);
    }

    return exporting_options;
}

/**
 * Read configuration
 *
 * Based on read configuration an engine data structure is filled with exporting connector instances.
 *
 * @return Returns a filled engine data structure or NULL if there are no connector instances configured.
 */
struct engine *read_exporting_config()
{
    int instances_to_activate = 0;
    int exporting_config_exists = 0;

    static struct engine *engine = NULL;
    struct connector_instance_list {
        struct connector_instance local_ci;
        EXPORTING_CONNECTOR_TYPE exporting_type;

        struct connector_instance_list *next;
    };
    struct connector_instance local_ci;
    struct connector_instance_list *tmp_ci_list = NULL, *tmp_ci_list1 = NULL, *tmp_ci_list_prev = NULL;

    if (unlikely(engine))
        return engine;

    char *filename = strdupz_path_subpath(netdata_configured_user_config_dir, EXPORTING_CONF);

    exporting_config_exists = appconfig_load(&exporting_config, filename, 0, NULL);
    if (!exporting_config_exists) {
        netdata_log_info("CONFIG: cannot load user exporting config '%s'. Will try the stock version.", filename);
        freez(filename);

        filename = strdupz_path_subpath(netdata_configured_stock_config_dir, EXPORTING_CONF);
        exporting_config_exists = appconfig_load(&exporting_config, filename, 0, NULL);
        if (!exporting_config_exists)
            netdata_log_info("CONFIG: cannot load stock exporting config '%s'. Running with internal defaults.", filename);
    }

    freez(filename);

#define prometheus_config_get(name, value)                                                                             \
    appconfig_get(                                                                                                     \
        &exporting_config, CONFIG_SECTION_PROMETHEUS, name,                                                            \
        appconfig_get(&exporting_config, CONFIG_SECTION_EXPORTING, name, value))
#define prometheus_config_get_number(name, value)                                                                      \
    appconfig_get_number(                                                                                              \
        &exporting_config, CONFIG_SECTION_PROMETHEUS, name,                                                            \
        appconfig_get_number(&exporting_config, CONFIG_SECTION_EXPORTING, name, value))
#define prometheus_config_get_boolean(name, value)                                                                     \
    appconfig_get_boolean(                                                                                             \
        &exporting_config, CONFIG_SECTION_PROMETHEUS, name,                                                            \
        appconfig_get_boolean(&exporting_config, CONFIG_SECTION_EXPORTING, name, value))

    if (!prometheus_exporter_instance) {
        prometheus_exporter_instance = callocz(1, sizeof(struct instance));

        prometheus_exporter_instance->config.update_every =
            prometheus_config_get_number(EXPORTING_UPDATE_EVERY_OPTION_NAME, EXPORTING_UPDATE_EVERY_DEFAULT);

        prometheus_exporter_instance->config.options |= global_exporting_options & EXPORTING_OPTIONS_SOURCE_BITS;

        char *data_source = prometheus_config_get("data source", "average");
        prometheus_exporter_instance->config.options =
            exporting_parse_data_source(data_source, prometheus_exporter_instance->config.options);

        if (prometheus_config_get_boolean(
                "send names instead of ids", global_exporting_options & EXPORTING_OPTION_SEND_NAMES))
            prometheus_exporter_instance->config.options |= EXPORTING_OPTION_SEND_NAMES;
        else
            prometheus_exporter_instance->config.options &= ~EXPORTING_OPTION_SEND_NAMES;

        if (prometheus_config_get_boolean("send configured labels", CONFIG_BOOLEAN_YES))
            prometheus_exporter_instance->config.options |= EXPORTING_OPTION_SEND_CONFIGURED_LABELS;
        else
            prometheus_exporter_instance->config.options &= ~EXPORTING_OPTION_SEND_CONFIGURED_LABELS;

        if (prometheus_config_get_boolean("send automatic labels", CONFIG_BOOLEAN_NO))
            prometheus_exporter_instance->config.options |= EXPORTING_OPTION_SEND_AUTOMATIC_LABELS;
        else
            prometheus_exporter_instance->config.options &= ~EXPORTING_OPTION_SEND_AUTOMATIC_LABELS;

        prometheus_exporter_instance->config.charts_pattern = simple_pattern_create(
                prometheus_config_get("send charts matching", "*"),
                NULL,
                SIMPLE_PATTERN_EXACT, true);
        prometheus_exporter_instance->config.hosts_pattern = simple_pattern_create(
                prometheus_config_get("send hosts matching", "localhost *"), NULL, SIMPLE_PATTERN_EXACT, true);

        prometheus_exporter_instance->config.prefix = prometheus_config_get("prefix", global_exporting_prefix);

        prometheus_exporter_instance->config.label_prefix = prometheus_config_get("netdata label prefix", "");

        prometheus_exporter_instance->config.initialized = 1;
    }

    while (get_connector_instance(&local_ci)) {
        netdata_log_info("Processing connector instance (%s)", local_ci.instance_name);

        if (exporter_get_boolean(local_ci.instance_name, "enabled", 0)) {
            netdata_log_info(
                "Instance (%s) on connector (%s) is enabled and scheduled for activation",
                local_ci.instance_name, local_ci.connector_name);

            tmp_ci_list = (struct connector_instance_list *)callocz(1, sizeof(struct connector_instance_list));
            memcpy(&tmp_ci_list->local_ci, &local_ci, sizeof(local_ci));
            tmp_ci_list->exporting_type = exporting_select_type(local_ci.connector_name);
            tmp_ci_list->next = tmp_ci_list_prev;
            tmp_ci_list_prev = tmp_ci_list;
            instances_to_activate++;
        } else
            netdata_log_info("Instance (%s) on connector (%s) is not enabled", local_ci.instance_name, local_ci.connector_name);
    }

    if (unlikely(!instances_to_activate)) {
        netdata_log_info("No connector instances to activate");
        return NULL;
    }

    engine = (struct engine *)callocz(1, sizeof(struct engine));
    // TODO: Check and fill engine fields if actually needed

    if (exporting_config_exists) {
        engine->config.hostname =
            strdupz(exporter_get(CONFIG_SECTION_EXPORTING, "hostname", netdata_configured_hostname));
        engine->config.update_every = exporter_get_number(
            CONFIG_SECTION_EXPORTING, EXPORTING_UPDATE_EVERY_OPTION_NAME, EXPORTING_UPDATE_EVERY_DEFAULT);
    }

    while (tmp_ci_list) {
        struct instance *tmp_instance;
        char *instance_name;
        char *default_destination = "localhost";

        netdata_log_info("Instance %s on %s", tmp_ci_list->local_ci.instance_name, tmp_ci_list->local_ci.connector_name);

        if (tmp_ci_list->exporting_type == EXPORTING_CONNECTOR_TYPE_UNKNOWN) {
            netdata_log_error("Unknown exporting connector type");
            goto next_connector_instance;
        }

#ifndef ENABLE_PROMETHEUS_REMOTE_WRITE
        if (tmp_ci_list->exporting_type == EXPORTING_CONNECTOR_TYPE_PROMETHEUS_REMOTE_WRITE) {
            netdata_log_error("Prometheus Remote Write support isn't compiled");
            goto next_connector_instance;
        }
#endif

#ifndef HAVE_KINESIS
        if (tmp_ci_list->exporting_type == EXPORTING_CONNECTOR_TYPE_KINESIS) {
            netdata_log_error("AWS Kinesis support isn't compiled");
            goto next_connector_instance;
        }
#endif

#ifndef ENABLE_EXPORTING_PUBSUB
        if (tmp_ci_list->exporting_type == EXPORTING_CONNECTOR_TYPE_PUBSUB) {
            netdata_log_error("Google Cloud Pub/Sub support isn't compiled");
            goto next_connector_instance;
        }
#endif

#ifndef HAVE_MONGOC
        if (tmp_ci_list->exporting_type == EXPORTING_CONNECTOR_TYPE_MONGODB) {
            netdata_log_error("MongoDB support isn't compiled");
            goto next_connector_instance;
        }
#endif

        tmp_instance = (struct instance *)callocz(1, sizeof(struct instance));
        tmp_instance->next = engine->instance_root;
        engine->instance_root = tmp_instance;

        tmp_instance->engine = engine;
        tmp_instance->config.type = tmp_ci_list->exporting_type;

        instance_name = tmp_ci_list->local_ci.instance_name;

        tmp_instance->config.type_name = strdupz(tmp_ci_list->local_ci.connector_name);
        tmp_instance->config.name = strdupz(tmp_ci_list->local_ci.instance_name);


        tmp_instance->config.update_every =
            exporter_get_number(instance_name, EXPORTING_UPDATE_EVERY_OPTION_NAME, EXPORTING_UPDATE_EVERY_DEFAULT);

        tmp_instance->config.buffer_on_failures = exporter_get_number(instance_name, "buffer on failures", 10);

        tmp_instance->config.timeoutms = exporter_get_number(instance_name, "timeout ms", 10000);

        tmp_instance->config.charts_pattern =
                simple_pattern_create(exporter_get(instance_name, "send charts matching", "*"), NULL,
                                      SIMPLE_PATTERN_EXACT,
                                      true);

        tmp_instance->config.hosts_pattern = simple_pattern_create(
                exporter_get(instance_name, "send hosts matching", "localhost *"), NULL, SIMPLE_PATTERN_EXACT, true);

        char *data_source = exporter_get(instance_name, "data source", "average");

        tmp_instance->config.options = exporting_parse_data_source(data_source, tmp_instance->config.options);
        if (EXPORTING_OPTIONS_DATA_SOURCE(tmp_instance->config.options) != EXPORTING_SOURCE_DATA_AS_COLLECTED &&
            tmp_instance->config.update_every % localhost->rrd_update_every)
            netdata_log_info(
                "The update interval %d for instance %s is not a multiple of the database update interval %d. "
                "Metric values will deviate at different points in time.",
                tmp_instance->config.update_every, tmp_instance->config.name, localhost->rrd_update_every);

        if (exporter_get_boolean(instance_name, "send configured labels", CONFIG_BOOLEAN_YES))
            tmp_instance->config.options |= EXPORTING_OPTION_SEND_CONFIGURED_LABELS;
        else
            tmp_instance->config.options &= ~EXPORTING_OPTION_SEND_CONFIGURED_LABELS;

        if (exporter_get_boolean(instance_name, "send automatic labels", CONFIG_BOOLEAN_NO))
            tmp_instance->config.options |= EXPORTING_OPTION_SEND_AUTOMATIC_LABELS;
        else
            tmp_instance->config.options &= ~EXPORTING_OPTION_SEND_AUTOMATIC_LABELS;

        if (exporter_get_boolean(instance_name, "send names instead of ids", CONFIG_BOOLEAN_YES))
            tmp_instance->config.options |= EXPORTING_OPTION_SEND_NAMES;
        else
            tmp_instance->config.options &= ~EXPORTING_OPTION_SEND_NAMES;

        if (exporter_get_boolean(instance_name, "send variables", CONFIG_BOOLEAN_YES))
            tmp_instance->config.options |= EXPORTING_OPTION_SEND_VARIABLES;
        else 
            tmp_instance->config.options &= ~EXPORTING_OPTION_SEND_VARIABLES;

        if (tmp_instance->config.type == EXPORTING_CONNECTOR_TYPE_PROMETHEUS_REMOTE_WRITE) {
            struct prometheus_remote_write_specific_config *connector_specific_config =
                callocz(1, sizeof(struct prometheus_remote_write_specific_config));

            tmp_instance->config.connector_specific_config = connector_specific_config;

            connector_specific_config->remote_write_path =
                strdupz(exporter_get(instance_name, "remote write URL path", "/receive"));
        }

        if (tmp_instance->config.type == EXPORTING_CONNECTOR_TYPE_KINESIS) {
            struct aws_kinesis_specific_config *connector_specific_config =
                callocz(1, sizeof(struct aws_kinesis_specific_config));

            default_destination = "us-east-1";

            tmp_instance->config.connector_specific_config = connector_specific_config;

            connector_specific_config->stream_name = strdupz(exporter_get(instance_name, "stream name", ""));

            connector_specific_config->auth_key_id = strdupz(exporter_get(instance_name, "aws_access_key_id", ""));
            connector_specific_config->secure_key = strdupz(exporter_get(instance_name, "aws_secret_access_key", ""));
        }

        if (tmp_instance->config.type == EXPORTING_CONNECTOR_TYPE_PUBSUB) {
            struct pubsub_specific_config *connector_specific_config =
                callocz(1, sizeof(struct pubsub_specific_config));

            default_destination = "pubsub.googleapis.com";

            tmp_instance->config.connector_specific_config = connector_specific_config;

            connector_specific_config->credentials_file = strdupz(exporter_get(instance_name, "credentials file", ""));
            connector_specific_config->project_id = strdupz(exporter_get(instance_name, "project id", ""));
            connector_specific_config->topic_id = strdupz(exporter_get(instance_name, "topic id", ""));
        }

        if (tmp_instance->config.type == EXPORTING_CONNECTOR_TYPE_MONGODB) {
            struct mongodb_specific_config *connector_specific_config =
                callocz(1, sizeof(struct mongodb_specific_config));

            tmp_instance->config.connector_specific_config = connector_specific_config;

            connector_specific_config->database = strdupz(exporter_get(
                instance_name, "database", ""));

            connector_specific_config->collection = strdupz(exporter_get(
                instance_name, "collection", ""));
        }

        tmp_instance->config.destination = strdupz(exporter_get(instance_name, "destination", default_destination));

        tmp_instance->config.username = strdupz(exporter_get(instance_name, "username", ""));

        tmp_instance->config.password = strdupz(exporter_get(instance_name, "password", ""));

        tmp_instance->config.prefix = strdupz(exporter_get(instance_name, "prefix", "netdata"));

        tmp_instance->config.hostname = strdupz(exporter_get(instance_name, "hostname", engine->config.hostname));

#ifdef ENABLE_HTTPS

#define STR_GRAPHITE_HTTPS "graphite:https"
#define STR_JSON_HTTPS "json:https"
#define STR_OPENTSDB_HTTPS "opentsdb:https"
#define STR_PROMETHEUS_REMOTE_WRITE_HTTPS "prometheus_remote_write:https"

        if ((tmp_instance->config.type == EXPORTING_CONNECTOR_TYPE_GRAPHITE_HTTP &&
             !strncmp(tmp_ci_list->local_ci.connector_name, STR_GRAPHITE_HTTPS, strlen(STR_GRAPHITE_HTTPS))) ||
            (tmp_instance->config.type == EXPORTING_CONNECTOR_TYPE_JSON_HTTP &&
             !strncmp(tmp_ci_list->local_ci.connector_name, STR_JSON_HTTPS, strlen(STR_JSON_HTTPS))) ||
            (tmp_instance->config.type == EXPORTING_CONNECTOR_TYPE_OPENTSDB_HTTP &&
             !strncmp(tmp_ci_list->local_ci.connector_name, STR_OPENTSDB_HTTPS, strlen(STR_OPENTSDB_HTTPS))) ||
            (tmp_instance->config.type == EXPORTING_CONNECTOR_TYPE_PROMETHEUS_REMOTE_WRITE &&
             !strncmp(
                 tmp_ci_list->local_ci.connector_name, STR_PROMETHEUS_REMOTE_WRITE_HTTPS,
                 strlen(STR_PROMETHEUS_REMOTE_WRITE_HTTPS)))) {
            tmp_instance->config.options |= EXPORTING_OPTION_USE_TLS;
        }
#endif

#ifdef NETDATA_INTERNAL_CHECKS
        netdata_log_info(
            "     Dest=[%s], upd=[%d], buffer=[%d] timeout=[%ld] options=[%u]",
            tmp_instance->config.destination,
            tmp_instance->config.update_every,
            tmp_instance->config.buffer_on_failures,
            tmp_instance->config.timeoutms,
            tmp_instance->config.options);
#endif

        if (unlikely(!exporting_config_exists) && !engine->config.hostname) {
            engine->config.hostname = strdupz(config_get(instance_name, "hostname", netdata_configured_hostname));
            engine->config.update_every =
                config_get_number(instance_name, EXPORTING_UPDATE_EVERY_OPTION_NAME, EXPORTING_UPDATE_EVERY_DEFAULT);
        }

    next_connector_instance:
        tmp_ci_list1 = tmp_ci_list->next;
        freez(tmp_ci_list);
        tmp_ci_list = tmp_ci_list1;
    }

    return engine;
}