508 lines
22 KiB
C
508 lines
22 KiB
C
// SPDX-License-Identifier: GPL-3.0-or-later
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#include "exporting_engine.h"
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struct config exporting_config = { .first_section = NULL,
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.last_section = NULL,
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.mutex = NETDATA_MUTEX_INITIALIZER,
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.index = { .avl_tree = { .root = NULL, .compar = appconfig_section_compare },
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.rwlock = AVL_LOCK_INITIALIZER } };
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struct instance *prometheus_exporter_instance = NULL;
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static _CONNECTOR_INSTANCE *find_instance(const char *section)
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{
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_CONNECTOR_INSTANCE *local_ci;
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local_ci = add_connector_instance(NULL, NULL); // Get root section
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if (unlikely(!local_ci))
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return local_ci;
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if (!section)
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return local_ci;
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while (local_ci) {
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if (!strcmp(local_ci->instance_name, section))
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break;
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local_ci = local_ci->next;
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}
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return local_ci;
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}
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char *expconfig_get(struct config *root, const char *section, const char *name, const char *default_value)
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{
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_CONNECTOR_INSTANCE *local_ci;
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if (!strcmp(section, CONFIG_SECTION_EXPORTING))
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return appconfig_get(root, CONFIG_SECTION_EXPORTING, name, default_value);
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local_ci = find_instance(section);
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if (!local_ci)
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return NULL; // TODO: Check if it is meaningful to return default_value
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return appconfig_get(
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root, local_ci->instance_name, name,
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appconfig_get(
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root, local_ci->connector_name, name, appconfig_get(root, CONFIG_SECTION_EXPORTING, name, default_value)));
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}
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int expconfig_get_boolean(struct config *root, const char *section, const char *name, int default_value)
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{
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_CONNECTOR_INSTANCE *local_ci;
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if (!strcmp(section, CONFIG_SECTION_EXPORTING))
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return appconfig_get_boolean(root, CONFIG_SECTION_EXPORTING, name, default_value);
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local_ci = find_instance(section);
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if (!local_ci)
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return 0; // TODO: Check if it is meaningful to return default_value
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return appconfig_get_boolean(
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root, local_ci->instance_name, name,
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appconfig_get_boolean(
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root, local_ci->connector_name, name,
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appconfig_get_boolean(root, CONFIG_SECTION_EXPORTING, name, default_value)));
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}
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long long expconfig_get_number(struct config *root, const char *section, const char *name, long long default_value)
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{
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_CONNECTOR_INSTANCE *local_ci;
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if (!strcmp(section, CONFIG_SECTION_EXPORTING))
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return appconfig_get_number(root, CONFIG_SECTION_EXPORTING, name, default_value);
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local_ci = find_instance(section);
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if (!local_ci)
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return 0; // TODO: Check if it is meaningful to return default_value
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return appconfig_get_number(
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root, local_ci->instance_name, name,
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appconfig_get_number(
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root, local_ci->connector_name, name,
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appconfig_get_number(root, CONFIG_SECTION_EXPORTING, name, default_value)));
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}
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/*
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* Get the next connector instance that we need to activate
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*
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* @param @target_ci will be filled with instance name and connector name
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*
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* @return - 1 if more connectors to be fetched, 0 done
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*
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*/
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int get_connector_instance(struct connector_instance *target_ci)
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{
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static _CONNECTOR_INSTANCE *local_ci = NULL;
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_CONNECTOR_INSTANCE *global_connector_instance;
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global_connector_instance = find_instance(NULL); // Fetch head of instances
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if (unlikely(!global_connector_instance))
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return 0;
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if (target_ci == NULL) {
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local_ci = NULL;
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return 1;
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}
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if (local_ci == NULL)
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local_ci = global_connector_instance;
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else {
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local_ci = local_ci->next;
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if (local_ci == NULL)
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return 0;
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}
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strcpy(target_ci->instance_name, local_ci->instance_name);
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strcpy(target_ci->connector_name, local_ci->connector_name);
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return 1;
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}
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/**
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* Select Type
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*
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* Select the connector type based on the user input
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*
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* @param type is the string that defines the connector type
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*
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* @return It returns the connector id.
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*/
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EXPORTING_CONNECTOR_TYPE exporting_select_type(const char *type)
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{
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if (!strcmp(type, "graphite") || !strcmp(type, "graphite:plaintext")) {
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return EXPORTING_CONNECTOR_TYPE_GRAPHITE;
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} else if (!strcmp(type, "graphite:http") || !strcmp(type, "graphite:https")) {
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return EXPORTING_CONNECTOR_TYPE_GRAPHITE_HTTP;
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} else if (!strcmp(type, "json") || !strcmp(type, "json:plaintext")) {
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return EXPORTING_CONNECTOR_TYPE_JSON;
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} else if (!strcmp(type, "json:http") || !strcmp(type, "json:https")) {
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return EXPORTING_CONNECTOR_TYPE_JSON_HTTP;
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} else if (!strcmp(type, "opentsdb") || !strcmp(type, "opentsdb:telnet")) {
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return EXPORTING_CONNECTOR_TYPE_OPENTSDB;
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} else if (!strcmp(type, "opentsdb:http") || !strcmp(type, "opentsdb:https")) {
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return EXPORTING_CONNECTOR_TYPE_OPENTSDB_HTTP;
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} else if (
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!strcmp(type, "prometheus_remote_write") ||
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!strcmp(type, "prometheus_remote_write:http") ||
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!strcmp(type, "prometheus_remote_write:https")) {
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return EXPORTING_CONNECTOR_TYPE_PROMETHEUS_REMOTE_WRITE;
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} else if (!strcmp(type, "kinesis") || !strcmp(type, "kinesis:plaintext")) {
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return EXPORTING_CONNECTOR_TYPE_KINESIS;
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} else if (!strcmp(type, "pubsub") || !strcmp(type, "pubsub:plaintext")) {
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return EXPORTING_CONNECTOR_TYPE_PUBSUB;
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} else if (!strcmp(type, "mongodb") || !strcmp(type, "mongodb:plaintext"))
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return EXPORTING_CONNECTOR_TYPE_MONGODB;
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return EXPORTING_CONNECTOR_TYPE_UNKNOWN;
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}
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EXPORTING_OPTIONS exporting_parse_data_source(const char *data_source, EXPORTING_OPTIONS exporting_options)
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{
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if (!strcmp(data_source, "raw") || !strcmp(data_source, "as collected") || !strcmp(data_source, "as-collected") ||
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!strcmp(data_source, "as_collected") || !strcmp(data_source, "ascollected")) {
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exporting_options |= EXPORTING_SOURCE_DATA_AS_COLLECTED;
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exporting_options &= ~(EXPORTING_OPTIONS_SOURCE_BITS ^ EXPORTING_SOURCE_DATA_AS_COLLECTED);
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} else if (!strcmp(data_source, "average")) {
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exporting_options |= EXPORTING_SOURCE_DATA_AVERAGE;
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exporting_options &= ~(EXPORTING_OPTIONS_SOURCE_BITS ^ EXPORTING_SOURCE_DATA_AVERAGE);
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} else if (!strcmp(data_source, "sum") || !strcmp(data_source, "volume")) {
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exporting_options |= EXPORTING_SOURCE_DATA_SUM;
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exporting_options &= ~(EXPORTING_OPTIONS_SOURCE_BITS ^ EXPORTING_SOURCE_DATA_SUM);
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} else {
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error("EXPORTING: invalid data data_source method '%s'.", data_source);
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}
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return exporting_options;
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}
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/**
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* Read configuration
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*
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* Based on read configuration an engine data structure is filled with exporting connector instances.
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*
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* @return Returns a filled engine data structure or NULL if there are no connector instances configured.
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*/
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struct engine *read_exporting_config()
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{
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int instances_to_activate = 0;
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int exporting_config_exists = 0;
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static struct engine *engine = NULL;
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struct connector_instance_list {
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struct connector_instance local_ci;
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EXPORTING_CONNECTOR_TYPE backend_type;
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struct connector_instance_list *next;
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};
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struct connector_instance local_ci;
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struct connector_instance_list *tmp_ci_list = NULL, *tmp_ci_list1 = NULL, *tmp_ci_list_prev = NULL;
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if (unlikely(engine))
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return engine;
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char *filename = strdupz_path_subpath(netdata_configured_user_config_dir, EXPORTING_CONF);
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exporting_config_exists = appconfig_load(&exporting_config, filename, 0, NULL);
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if (!exporting_config_exists) {
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info("CONFIG: cannot load user exporting config '%s'. Will try the stock version.", filename);
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freez(filename);
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filename = strdupz_path_subpath(netdata_configured_stock_config_dir, EXPORTING_CONF);
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exporting_config_exists = appconfig_load(&exporting_config, filename, 0, NULL);
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if (!exporting_config_exists)
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info("CONFIG: cannot load stock exporting config '%s'. Running with internal defaults.", filename);
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}
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freez(filename);
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#define prometheus_config_get(name, value) \
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appconfig_get( \
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&exporting_config, CONFIG_SECTION_PROMETHEUS, name, \
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appconfig_get(&exporting_config, CONFIG_SECTION_EXPORTING, name, value))
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#define prometheus_config_get_number(name, value) \
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appconfig_get_number( \
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&exporting_config, CONFIG_SECTION_PROMETHEUS, name, \
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appconfig_get_number(&exporting_config, CONFIG_SECTION_EXPORTING, name, value))
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#define prometheus_config_get_boolean(name, value) \
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appconfig_get_boolean( \
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&exporting_config, CONFIG_SECTION_PROMETHEUS, name, \
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appconfig_get_boolean(&exporting_config, CONFIG_SECTION_EXPORTING, name, value))
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if (!prometheus_exporter_instance) {
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prometheus_exporter_instance = callocz(1, sizeof(struct instance));
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prometheus_exporter_instance->config.update_every =
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prometheus_config_get_number(EXPORTING_UPDATE_EVERY_OPTION_NAME, EXPORTING_UPDATE_EVERY_DEFAULT);
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// wait for backend subsystem to be initialized
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for (int retries = 0; !global_backend_source && retries < 1000; retries++)
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sleep_usec(10000);
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if (!global_backend_source)
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global_backend_source = "average";
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prometheus_exporter_instance->config.options |= global_backend_options & EXPORTING_OPTIONS_SOURCE_BITS;
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char *data_source = prometheus_config_get("data source", global_backend_source);
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prometheus_exporter_instance->config.options =
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exporting_parse_data_source(data_source, prometheus_exporter_instance->config.options);
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if (prometheus_config_get_boolean(
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"send names instead of ids", global_backend_options & EXPORTING_OPTION_SEND_NAMES))
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prometheus_exporter_instance->config.options |= EXPORTING_OPTION_SEND_NAMES;
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else
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prometheus_exporter_instance->config.options &= ~EXPORTING_OPTION_SEND_NAMES;
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if (prometheus_config_get_boolean("send configured labels", CONFIG_BOOLEAN_YES))
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prometheus_exporter_instance->config.options |= EXPORTING_OPTION_SEND_CONFIGURED_LABELS;
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else
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prometheus_exporter_instance->config.options &= ~EXPORTING_OPTION_SEND_CONFIGURED_LABELS;
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if (prometheus_config_get_boolean("send automatic labels", CONFIG_BOOLEAN_NO))
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prometheus_exporter_instance->config.options |= EXPORTING_OPTION_SEND_AUTOMATIC_LABELS;
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else
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prometheus_exporter_instance->config.options &= ~EXPORTING_OPTION_SEND_AUTOMATIC_LABELS;
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prometheus_exporter_instance->config.charts_pattern = simple_pattern_create(
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prometheus_config_get("send charts matching", global_backend_send_charts_matching),
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NULL,
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SIMPLE_PATTERN_EXACT);
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prometheus_exporter_instance->config.hosts_pattern = simple_pattern_create(
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prometheus_config_get("send hosts matching", "localhost *"), NULL, SIMPLE_PATTERN_EXACT);
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prometheus_exporter_instance->config.prefix = prometheus_config_get("prefix", global_backend_prefix);
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prometheus_exporter_instance->config.initialized = 1;
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}
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// TODO: change BACKEND to EXPORTING
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while (get_connector_instance(&local_ci)) {
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info("Processing connector instance (%s)", local_ci.instance_name);
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if (exporter_get_boolean(local_ci.instance_name, "enabled", 0)) {
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info(
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"Instance (%s) on connector (%s) is enabled and scheduled for activation",
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local_ci.instance_name, local_ci.connector_name);
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tmp_ci_list = (struct connector_instance_list *)callocz(1, sizeof(struct connector_instance_list));
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memcpy(&tmp_ci_list->local_ci, &local_ci, sizeof(local_ci));
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tmp_ci_list->backend_type = exporting_select_type(local_ci.connector_name);
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tmp_ci_list->next = tmp_ci_list_prev;
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tmp_ci_list_prev = tmp_ci_list;
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instances_to_activate++;
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} else
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info("Instance (%s) on connector (%s) is not enabled", local_ci.instance_name, local_ci.connector_name);
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}
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if (unlikely(!instances_to_activate)) {
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info("No connector instances to activate");
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return NULL;
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}
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engine = (struct engine *)callocz(1, sizeof(struct engine));
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// TODO: Check and fill engine fields if actually needed
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if (exporting_config_exists) {
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engine->config.hostname =
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strdupz(exporter_get(CONFIG_SECTION_EXPORTING, "hostname", netdata_configured_hostname));
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engine->config.update_every = exporter_get_number(
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CONFIG_SECTION_EXPORTING, EXPORTING_UPDATE_EVERY_OPTION_NAME, EXPORTING_UPDATE_EVERY_DEFAULT);
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}
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while (tmp_ci_list) {
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struct instance *tmp_instance;
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char *instance_name;
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char *default_destination = "localhost";
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info("Instance %s on %s", tmp_ci_list->local_ci.instance_name, tmp_ci_list->local_ci.connector_name);
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if (tmp_ci_list->backend_type == EXPORTING_CONNECTOR_TYPE_UNKNOWN) {
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error("Unknown exporting connector type");
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goto next_connector_instance;
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}
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#ifndef ENABLE_PROMETHEUS_REMOTE_WRITE
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if (tmp_ci_list->backend_type == EXPORTING_CONNECTOR_TYPE_PROMETHEUS_REMOTE_WRITE) {
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error("Prometheus Remote Write support isn't compiled");
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goto next_connector_instance;
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}
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#endif
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#ifndef HAVE_KINESIS
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if (tmp_ci_list->backend_type == EXPORTING_CONNECTOR_TYPE_KINESIS) {
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error("AWS Kinesis support isn't compiled");
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goto next_connector_instance;
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}
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#endif
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#ifndef ENABLE_EXPORTING_PUBSUB
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if (tmp_ci_list->backend_type == EXPORTING_CONNECTOR_TYPE_PUBSUB) {
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error("Google Cloud Pub/Sub support isn't compiled");
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goto next_connector_instance;
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}
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#endif
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#ifndef HAVE_MONGOC
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if (tmp_ci_list->backend_type == EXPORTING_CONNECTOR_TYPE_MONGODB) {
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error("MongoDB support isn't compiled");
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goto next_connector_instance;
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}
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#endif
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tmp_instance = (struct instance *)callocz(1, sizeof(struct instance));
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tmp_instance->next = engine->instance_root;
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engine->instance_root = tmp_instance;
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tmp_instance->engine = engine;
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tmp_instance->config.type = tmp_ci_list->backend_type;
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instance_name = tmp_ci_list->local_ci.instance_name;
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tmp_instance->config.type_name = strdupz(tmp_ci_list->local_ci.connector_name);
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tmp_instance->config.name = strdupz(tmp_ci_list->local_ci.instance_name);
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tmp_instance->config.update_every =
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exporter_get_number(instance_name, EXPORTING_UPDATE_EVERY_OPTION_NAME, EXPORTING_UPDATE_EVERY_DEFAULT);
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tmp_instance->config.buffer_on_failures = exporter_get_number(instance_name, "buffer on failures", 10);
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tmp_instance->config.timeoutms = exporter_get_number(instance_name, "timeout ms", 10000);
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tmp_instance->config.charts_pattern =
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simple_pattern_create(exporter_get(instance_name, "send charts matching", "*"), NULL, SIMPLE_PATTERN_EXACT);
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tmp_instance->config.hosts_pattern = simple_pattern_create(
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exporter_get(instance_name, "send hosts matching", "localhost *"), NULL, SIMPLE_PATTERN_EXACT);
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char *data_source = exporter_get(instance_name, "data source", "average");
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tmp_instance->config.options = exporting_parse_data_source(data_source, tmp_instance->config.options);
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if (EXPORTING_OPTIONS_DATA_SOURCE(tmp_instance->config.options) != EXPORTING_SOURCE_DATA_AS_COLLECTED &&
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tmp_instance->config.update_every % localhost->rrd_update_every)
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info(
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"The update interval %d for instance %s is not a multiple of the database update interval %d. "
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"Metric values will deviate at different points in time.",
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tmp_instance->config.update_every, tmp_instance->config.name, localhost->rrd_update_every);
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if (exporter_get_boolean(instance_name, "send configured labels", CONFIG_BOOLEAN_YES))
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tmp_instance->config.options |= EXPORTING_OPTION_SEND_CONFIGURED_LABELS;
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else
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tmp_instance->config.options &= ~EXPORTING_OPTION_SEND_CONFIGURED_LABELS;
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if (exporter_get_boolean(instance_name, "send automatic labels", CONFIG_BOOLEAN_NO))
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tmp_instance->config.options |= EXPORTING_OPTION_SEND_AUTOMATIC_LABELS;
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else
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tmp_instance->config.options &= ~EXPORTING_OPTION_SEND_AUTOMATIC_LABELS;
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if (exporter_get_boolean(instance_name, "send names instead of ids", CONFIG_BOOLEAN_YES))
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tmp_instance->config.options |= EXPORTING_OPTION_SEND_NAMES;
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else
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tmp_instance->config.options &= ~EXPORTING_OPTION_SEND_NAMES;
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if (tmp_instance->config.type == EXPORTING_CONNECTOR_TYPE_PROMETHEUS_REMOTE_WRITE) {
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struct prometheus_remote_write_specific_config *connector_specific_config =
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callocz(1, sizeof(struct prometheus_remote_write_specific_config));
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tmp_instance->config.connector_specific_config = connector_specific_config;
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connector_specific_config->remote_write_path =
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strdupz(exporter_get(instance_name, "remote write URL path", "/receive"));
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}
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if (tmp_instance->config.type == EXPORTING_CONNECTOR_TYPE_KINESIS) {
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struct aws_kinesis_specific_config *connector_specific_config =
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callocz(1, sizeof(struct aws_kinesis_specific_config));
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default_destination = "us-east-1";
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tmp_instance->config.connector_specific_config = connector_specific_config;
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connector_specific_config->stream_name = strdupz(exporter_get(instance_name, "stream name", ""));
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connector_specific_config->auth_key_id = strdupz(exporter_get(instance_name, "aws_access_key_id", ""));
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connector_specific_config->secure_key = strdupz(exporter_get(instance_name, "aws_secret_access_key", ""));
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}
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if (tmp_instance->config.type == EXPORTING_CONNECTOR_TYPE_PUBSUB) {
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struct pubsub_specific_config *connector_specific_config =
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callocz(1, sizeof(struct pubsub_specific_config));
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default_destination = "pubsub.googleapis.com";
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tmp_instance->config.connector_specific_config = connector_specific_config;
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|
|
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.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
|
|
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;
|
|
}
|