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flb_config.c
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flb_config.c
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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* Fluent Bit
* ==========
* Copyright (C) 2015-2024 The Fluent Bit Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <stddef.h>
#include <monkey/mk_core.h>
#include <fluent-bit/flb_info.h>
#include <fluent-bit/flb_mem.h>
#include <fluent-bit/flb_str.h>
#include <fluent-bit/flb_kv.h>
#include <fluent-bit/flb_env.h>
#include <fluent-bit/flb_meta.h>
#include <fluent-bit/flb_macros.h>
#include <fluent-bit/flb_config.h>
#include <fluent-bit/flb_parser.h>
#include <fluent-bit/flb_plugin.h>
#include <fluent-bit/flb_plugins.h>
#include <fluent-bit/flb_slist.h>
#include <fluent-bit/flb_kernel.h>
#include <fluent-bit/flb_worker.h>
#include <fluent-bit/flb_scheduler.h>
#include <fluent-bit/flb_http_server.h>
#include <fluent-bit/flb_plugin.h>
#include <fluent-bit/flb_utils.h>
#include <fluent-bit/flb_config_format.h>
#include <fluent-bit/multiline/flb_ml.h>
#include <fluent-bit/flb_bucket_queue.h>
const char *FLB_CONF_ENV_LOGLEVEL = "FLB_LOG_LEVEL";
int flb_regex_init();
struct flb_service_config service_configs[] = {
{FLB_CONF_STR_FLUSH,
FLB_CONF_TYPE_DOUBLE,
offsetof(struct flb_config, flush)},
{FLB_CONF_STR_GRACE,
FLB_CONF_TYPE_INT,
offsetof(struct flb_config, grace)},
{FLB_CONF_STR_CONV_NAN,
FLB_CONF_TYPE_BOOL,
offsetof(struct flb_config, convert_nan_to_null)},
{FLB_CONF_STR_DAEMON,
FLB_CONF_TYPE_BOOL,
offsetof(struct flb_config, daemon)},
{FLB_CONF_STR_LOGFILE,
FLB_CONF_TYPE_STR,
offsetof(struct flb_config, log_file)},
{FLB_CONF_STR_PARSERS_FILE,
FLB_CONF_TYPE_STR,
offsetof(struct flb_config, parsers_file)},
{FLB_CONF_STR_PLUGINS_FILE,
FLB_CONF_TYPE_STR,
offsetof(struct flb_config, plugins_file)},
{FLB_CONF_STR_LOGLEVEL,
FLB_CONF_TYPE_STR,
offsetof(struct flb_config, log)},
#ifdef FLB_HAVE_HTTP_SERVER
{FLB_CONF_STR_HTTP_SERVER,
FLB_CONF_TYPE_BOOL,
offsetof(struct flb_config, http_server)},
{FLB_CONF_STR_HTTP_LISTEN,
FLB_CONF_TYPE_STR,
offsetof(struct flb_config, http_listen)},
{FLB_CONF_STR_HTTP_PORT,
FLB_CONF_TYPE_STR,
offsetof(struct flb_config, http_port)},
{FLB_CONF_STR_HEALTH_CHECK,
FLB_CONF_TYPE_BOOL,
offsetof(struct flb_config, health_check)},
{FLB_CONF_STR_HC_ERRORS_COUNT,
FLB_CONF_TYPE_INT,
offsetof(struct flb_config, hc_errors_count)},
{FLB_CONF_STR_HC_RETRIES_FAILURE_COUNT,
FLB_CONF_TYPE_INT,
offsetof(struct flb_config, hc_retry_failure_count)},
{FLB_CONF_STR_HC_PERIOD,
FLB_CONF_TYPE_INT,
offsetof(struct flb_config, health_check_period)},
#endif
/* DNS*/
{FLB_CONF_DNS_MODE,
FLB_CONF_TYPE_STR,
offsetof(struct flb_config, dns_mode)},
{FLB_CONF_DNS_RESOLVER,
FLB_CONF_TYPE_STR,
offsetof(struct flb_config, dns_resolver)},
{FLB_CONF_DNS_PREFER_IPV4,
FLB_CONF_TYPE_BOOL,
offsetof(struct flb_config, dns_prefer_ipv4)},
{FLB_CONF_DNS_PREFER_IPV6,
FLB_CONF_TYPE_BOOL,
offsetof(struct flb_config, dns_prefer_ipv6)},
/* Storage */
{FLB_CONF_STORAGE_PATH,
FLB_CONF_TYPE_STR,
offsetof(struct flb_config, storage_path)},
{FLB_CONF_STORAGE_SYNC,
FLB_CONF_TYPE_STR,
offsetof(struct flb_config, storage_sync)},
{FLB_CONF_STORAGE_METRICS,
FLB_CONF_TYPE_BOOL,
offsetof(struct flb_config, storage_metrics)},
{FLB_CONF_STORAGE_CHECKSUM,
FLB_CONF_TYPE_BOOL,
offsetof(struct flb_config, storage_checksum)},
{FLB_CONF_STORAGE_BL_MEM_LIMIT,
FLB_CONF_TYPE_STR,
offsetof(struct flb_config, storage_bl_mem_limit)},
{FLB_CONF_STORAGE_MAX_CHUNKS_UP,
FLB_CONF_TYPE_INT,
offsetof(struct flb_config, storage_max_chunks_up)},
{FLB_CONF_STORAGE_DELETE_IRRECOVERABLE_CHUNKS,
FLB_CONF_TYPE_BOOL,
offsetof(struct flb_config, storage_del_bad_chunks)},
{FLB_CONF_STORAGE_TRIM_FILES,
FLB_CONF_TYPE_BOOL,
offsetof(struct flb_config, storage_trim_files)},
/* Coroutines */
{FLB_CONF_STR_CORO_STACK_SIZE,
FLB_CONF_TYPE_INT,
offsetof(struct flb_config, coro_stack_size)},
/* Scheduler */
{FLB_CONF_STR_SCHED_CAP,
FLB_CONF_TYPE_INT,
offsetof(struct flb_config, sched_cap)},
{FLB_CONF_STR_SCHED_BASE,
FLB_CONF_TYPE_INT,
offsetof(struct flb_config, sched_base)},
#ifdef FLB_HAVE_STREAM_PROCESSOR
{FLB_CONF_STR_STREAMS_FILE,
FLB_CONF_TYPE_STR,
offsetof(struct flb_config, stream_processor_file)},
{FLB_CONF_STR_STREAMS_STR_CONV,
FLB_CONF_TYPE_BOOL,
offsetof(struct flb_config, stream_processor_str_conv)},
#endif
#ifdef FLB_HAVE_CHUNK_TRACE
{FLB_CONF_STR_ENABLE_CHUNK_TRACE,
FLB_CONF_TYPE_BOOL,
offsetof(struct flb_config, enable_chunk_trace)},
#endif
{FLB_CONF_STR_HOT_RELOAD,
FLB_CONF_TYPE_BOOL,
offsetof(struct flb_config, enable_hot_reload)},
{FLB_CONF_STR_HOT_RELOAD_ENSURE_THREAD_SAFETY,
FLB_CONF_TYPE_BOOL,
offsetof(struct flb_config, ensure_thread_safety_on_hot_reloading)},
{NULL, FLB_CONF_TYPE_OTHER, 0} /* end of array */
};
struct flb_config *flb_config_init()
{
int ret;
struct flb_config *config;
struct flb_cf *cf;
struct flb_cf_section *section;
config = flb_calloc(1, sizeof(struct flb_config));
if (!config) {
flb_errno();
return NULL;
}
MK_EVENT_ZERO(&config->ch_event);
MK_EVENT_ZERO(&config->event_flush);
MK_EVENT_ZERO(&config->event_shutdown);
/* is data ingestion active ? */
config->is_ingestion_active = FLB_TRUE;
/* Is the engine (event loop) actively running ? */
config->is_running = FLB_TRUE;
/* Initialize config_format context */
cf = flb_cf_create();
if (!cf) {
flb_free(config);
return NULL;
}
config->cf_main = cf;
section = flb_cf_section_create(cf, "service", 0);
if (!section) {
flb_cf_destroy(cf);
flb_free(config);
return NULL;
}
/* Flush */
config->flush = FLB_CONFIG_FLUSH_SECS;
config->daemon = FLB_FALSE;
config->init_time = time(NULL);
config->kernel = flb_kernel_info();
config->verbose = 3;
config->grace = 5;
config->grace_count = 0;
config->exit_status_code = 0;
/* json */
config->convert_nan_to_null = FLB_FALSE;
#ifdef FLB_HAVE_HTTP_SERVER
config->http_ctx = NULL;
config->http_server = FLB_FALSE;
config->http_listen = flb_strdup(FLB_CONFIG_HTTP_LISTEN);
config->http_port = flb_strdup(FLB_CONFIG_HTTP_PORT);
config->health_check = FLB_FALSE;
config->hc_errors_count = HC_ERRORS_COUNT_DEFAULT;
config->hc_retry_failure_count = HC_RETRY_FAILURE_COUNTS_DEFAULT;
config->health_check_period = HEALTH_CHECK_PERIOD;
#endif
config->http_proxy = getenv("HTTP_PROXY");
if (flb_str_emptyval(config->http_proxy) == FLB_TRUE) {
config->http_proxy = getenv("http_proxy");
if (flb_str_emptyval(config->http_proxy) == FLB_TRUE) {
/* Proxy should not be set when `HTTP_PROXY` or `http_proxy` are set to "" */
config->http_proxy = NULL;
}
}
config->no_proxy = getenv("NO_PROXY");
if (flb_str_emptyval(config->no_proxy) == FLB_TRUE || config->http_proxy == NULL) {
config->no_proxy = getenv("no_proxy");
if (flb_str_emptyval(config->no_proxy) == FLB_TRUE || config->http_proxy == NULL) {
/* NoProxy should not be set when `NO_PROXY` or `no_proxy` are set to "" or there is no Proxy. */
config->no_proxy = NULL;
}
}
config->cio = NULL;
config->storage_path = NULL;
config->storage_input_plugin = NULL;
config->storage_metrics = FLB_TRUE;
config->sched_cap = FLB_SCHED_CAP;
config->sched_base = FLB_SCHED_BASE;
/* reload */
config->ensure_thread_safety_on_hot_reloading = FLB_TRUE;
config->hot_reloaded_count = 0;
config->shutdown_by_hot_reloading = FLB_FALSE;
config->hot_reloading = FLB_FALSE;
#ifdef FLB_HAVE_SQLDB
mk_list_init(&config->sqldb_list);
#endif
#ifdef FLB_HAVE_LUAJIT
mk_list_init(&config->luajit_list);
#endif
#ifdef FLB_HAVE_STREAM_PROCESSOR
flb_slist_create(&config->stream_processor_tasks);
config->stream_processor_str_conv = FLB_TRUE;
#endif
flb_slist_create(&config->external_plugins);
/* Set default coroutines stack size */
config->coro_stack_size = FLB_CORO_STACK_SIZE_BYTE;
if (config->coro_stack_size < getpagesize()) {
flb_info("[config] changing coro_stack_size from %u to %u bytes",
config->coro_stack_size, getpagesize());
config->coro_stack_size = (unsigned int)getpagesize();
}
/* collectors */
pthread_mutex_init(&config->collectors_mutex, NULL);
/* Initialize linked lists */
mk_list_init(&config->processor_plugins);
mk_list_init(&config->custom_plugins);
mk_list_init(&config->in_plugins);
mk_list_init(&config->parser_plugins);
mk_list_init(&config->filter_plugins);
mk_list_init(&config->out_plugins);
mk_list_init(&config->customs);
mk_list_init(&config->inputs);
mk_list_init(&config->parsers);
mk_list_init(&config->filters);
mk_list_init(&config->outputs);
mk_list_init(&config->proxies);
mk_list_init(&config->workers);
mk_list_init(&config->upstreams);
mk_list_init(&config->downstreams);
mk_list_init(&config->cmetrics);
mk_list_init(&config->cf_parsers_list);
memset(&config->tasks_map, '\0', sizeof(config->tasks_map));
/* Initialize multiline-parser list. We need this here, because from now
* on we use flb_config_exit to cleanup the config, which requires
* the config->multiline_parsers list to be initialized. */
mk_list_init(&config->multiline_parsers);
/* Environment */
config->env = flb_env_create();
if (config->env == NULL) {
flb_error("[config] environment creation failed");
flb_config_exit(config);
return NULL;
}
/* Multiline core */
ret = flb_ml_init(config);
if (ret == -1) {
flb_error("[config] multiline core initialization failed");
flb_config_exit(config);
return NULL;
}
/* Register static plugins */
ret = flb_plugins_register(config);
if (ret == -1) {
flb_error("[config] plugins registration failed");
flb_config_exit(config);
return NULL;
}
/* Create environment for dynamic plugins */
config->dso_plugins = flb_plugin_create();
/* Ignoring SIGPIPE on Windows (scary) */
#ifndef _WIN32
/* Ignore SIGPIPE */
signal(SIGPIPE, SIG_IGN);
#endif
/* Prepare worker interface */
flb_worker_init(config);
#ifdef FLB_HAVE_REGEX
/* Regex support */
flb_regex_init();
#endif
return config;
}
void flb_config_exit(struct flb_config *config)
{
struct mk_list *tmp;
struct mk_list *head;
struct flb_cf *cf;
if (config->log) {
flb_log_destroy(config->log, config);
}
if (config->log_file) {
flb_free(config->log_file);
}
if (config->parsers_file) {
flb_free(config->parsers_file);
}
if (config->plugins_file) {
flb_free(config->plugins_file);
}
if (config->kernel) {
flb_kernel_destroy(config->kernel);
}
/* release resources */
if (config->ch_event.fd) {
mk_event_closesocket(config->ch_event.fd);
}
/* Pipe */
if (config->ch_data[0]) {
flb_pipe_destroy(config->ch_data);
}
/* Channel manager */
if (config->ch_manager[0] > 0) {
mk_event_closesocket(config->ch_manager[0]);
if (config->ch_manager[0] != config->ch_manager[1]) {
mk_event_closesocket(config->ch_manager[1]);
}
}
/* Channel notifications */
if (config->ch_notif[0] > 0) {
mk_event_closesocket(config->ch_notif[0]);
if (config->ch_notif[0] != config->ch_notif[1]) {
mk_event_closesocket(config->ch_notif[1]);
}
}
if (config->env) {
flb_env_destroy(config->env);
}
/* Program name */
if (config->program_name) {
flb_sds_destroy(config->program_name);
}
/* Conf path */
if (config->conf_path) {
flb_free(config->conf_path);
}
/* conf path file (file system config path) */
if (config->conf_path_file) {
flb_sds_destroy(config->conf_path_file);
}
/* Working directory */
if (config->workdir) {
flb_free(config->workdir);
}
/* Destroy any DSO context */
if (config->dso_plugins) {
flb_plugin_destroy(config->dso_plugins);
}
/* Workers */
flb_worker_exit(config);
/* Event flush */
if (config->evl) {
if (config->event_flush.status != MK_EVENT_NONE) {
mk_event_timeout_destroy(config->evl, &config->event_flush);
}
}
/* Release scheduler */
if (config->sched) {
flb_sched_destroy(config->sched);
}
#ifdef FLB_HAVE_HTTP_SERVER
if (config->http_listen) {
flb_free(config->http_listen);
}
if (config->http_port) {
flb_free(config->http_port);
}
#endif
#ifdef FLB_HAVE_PARSER
/* parsers */
flb_parser_exit(config);
#endif
if (config->dns_mode) {
flb_free(config->dns_mode);
}
if (config->dns_resolver) {
flb_free(config->dns_resolver);
}
if (config->storage_path) {
flb_free(config->storage_path);
}
if (config->storage_sync) {
flb_free(config->storage_sync);
}
if (config->storage_bl_mem_limit) {
flb_free(config->storage_bl_mem_limit);
}
#ifdef FLB_HAVE_STREAM_PROCESSOR
if (config->stream_processor_file) {
flb_free(config->stream_processor_file);
}
flb_slist_destroy(&config->stream_processor_tasks);
#endif
flb_slist_destroy(&config->external_plugins);
if (config->evl) {
mk_event_loop_destroy(config->evl);
}
if (config->evl_bktq) {
flb_bucket_queue_destroy(config->evl_bktq);
}
flb_plugins_unregister(config);
if (config->cf_main) {
flb_cf_destroy(config->cf_main);
}
/* cf_opts' lifetime should differ from config's lifetime.
* This member should be storing just for the cf_opts reference.
* Don't destroy it here.
*/
/* remove parsers */
mk_list_foreach_safe(head, tmp, &config->cf_parsers_list) {
cf = mk_list_entry(head, struct flb_cf, _head);
mk_list_del(&cf->_head);
flb_cf_destroy(cf);
}
flb_free(config);
}
const char *flb_config_prop_get(const char *key, struct mk_list *list)
{
return flb_kv_get_key_value(key, list);
}
static inline int prop_key_check(const char *key, const char *kv, int k_len)
{
size_t len;
len = strnlen(key,256);
if (strncasecmp(key, kv, k_len) == 0 && len == k_len) {
return 0;
}
return -1;
}
static int set_log_level(struct flb_config *config, const char *v_str)
{
if (v_str != NULL) {
if (strcasecmp(v_str, "error") == 0) {
config->verbose = 1;
}
else if (strcasecmp(v_str, "warn") == 0 ||
strcasecmp(v_str, "warning") == 0) {
config->verbose = 2;
}
else if (strcasecmp(v_str, "info") == 0) {
config->verbose = 3;
}
else if (strcasecmp(v_str, "debug") == 0) {
config->verbose = 4;
}
else if (strcasecmp(v_str, "trace") == 0) {
config->verbose = 5;
}
else if (strcasecmp(v_str, "off") == 0) {
config->verbose = FLB_LOG_OFF;
}
else {
return -1;
}
}
else if (config->log) {
config->verbose = 3;
}
return 0;
}
int set_log_level_from_env(struct flb_config *config)
{
const char *val = NULL;
val = flb_env_get(config->env, FLB_CONF_ENV_LOGLEVEL);
if (val) {
return set_log_level(config, val);
}
return -1;
}
int flb_config_set_property(struct flb_config *config,
const char *k, const char *v)
{
int i=0;
int ret = -1;
int *i_val;
double *d_val;
char **s_val;
size_t len = strnlen(k, 256);
char *key = service_configs[0].key;
flb_sds_t tmp = NULL;
while (key != NULL) {
if (prop_key_check(key, k,len) == 0) {
if (!strncasecmp(key, FLB_CONF_STR_LOGLEVEL, 256)) {
#ifndef FLB_HAVE_STATIC_CONF
if (set_log_level_from_env(config) < 0) {
#endif
tmp = flb_env_var_translate(config->env, v);
if (tmp) {
ret = set_log_level(config, tmp);
flb_sds_destroy(tmp);
tmp = NULL;
}
else {
ret = set_log_level(config, v);
}
#ifndef FLB_HAVE_STATIC_CONF
}
#endif
}
else if (!strncasecmp(key, FLB_CONF_STR_PARSERS_FILE, 32)) {
#ifdef FLB_HAVE_PARSER
tmp = flb_env_var_translate(config->env, v);
ret = flb_parser_conf_file(tmp, config);
flb_sds_destroy(tmp);
tmp = NULL;
#endif
}
else if (!strncasecmp(key, FLB_CONF_STR_PLUGINS_FILE, 32)) {
tmp = flb_env_var_translate(config->env, v);
ret = flb_plugin_load_config_file(tmp, config);
flb_sds_destroy(tmp);
tmp = NULL;
}
else {
ret = 0;
tmp = flb_env_var_translate(config->env, v);
switch(service_configs[i].type) {
case FLB_CONF_TYPE_INT:
i_val = (int*)((char*)config + service_configs[i].offset);
*i_val = atoi(tmp);
flb_sds_destroy(tmp);
break;
case FLB_CONF_TYPE_DOUBLE:
d_val = (double*)((char*)config + service_configs[i].offset);
*d_val = atof(tmp);
flb_sds_destroy(tmp);
break;
case FLB_CONF_TYPE_BOOL:
i_val = (int*)((char*)config+service_configs[i].offset);
*i_val = flb_utils_bool(tmp);
flb_sds_destroy(tmp);
break;
case FLB_CONF_TYPE_STR:
s_val = (char**)((char*)config+service_configs[i].offset);
if ( *s_val != NULL ) {
flb_free(*s_val); /* release before overwriting */
}
*s_val = flb_strdup(tmp);
flb_sds_destroy(tmp);
break;
default:
ret = -1;
}
}
if (ret < 0) {
if (tmp) {
flb_sds_destroy(tmp);
}
return -1;
}
return 0;
}
key = service_configs[++i].key;
}
return 0;
}
int flb_config_set_program_name(struct flb_config *config, char *name)
{
config->program_name = flb_sds_create(name);
if (!config->program_name) {
return -1;
}
return 0;
}
static int configure_plugins_type(struct flb_config *config, struct flb_cf *cf, enum section_type type)
{
int ret;
char *tmp;
char *name;
char *s_type;
struct mk_list *list;
struct mk_list *head;
struct cfl_list *h_prop;
struct cfl_kvpair *kv;
struct cfl_variant *val;
struct flb_cf_section *s;
struct flb_cf_group *processors = NULL;
int i;
void *ins;
if (type == FLB_CF_CUSTOM) {
s_type = "custom";
list = &cf->customs;
}
else if (type == FLB_CF_INPUT) {
s_type = "input";
list = &cf->inputs;
}
else if (type == FLB_CF_FILTER) {
s_type = "filter";
list = &cf->filters;
}
else if (type == FLB_CF_OUTPUT) {
s_type = "output";
list = &cf->outputs;
}
else {
return -1;
}
mk_list_foreach(head, list) {
s = mk_list_entry(head, struct flb_cf_section, _head_section);
name = flb_cf_section_property_get_string(cf, s, "name");
if (!name) {
flb_error("[config] section '%s' is missing the 'name' property",
s_type);
return -1;
}
/* translate the variable */
tmp = flb_env_var_translate(config->env, name);
/* create an instance of the plugin */
ins = NULL;
if (type == FLB_CF_CUSTOM) {
ins = flb_custom_new(config, tmp, NULL);
}
else if (type == FLB_CF_INPUT) {
ins = flb_input_new(config, tmp, NULL, FLB_TRUE);
}
else if (type == FLB_CF_FILTER) {
ins = flb_filter_new(config, tmp, NULL);
}
else if (type == FLB_CF_OUTPUT) {
ins = flb_output_new(config, tmp, NULL, FLB_TRUE);
}
flb_sds_destroy(tmp);
/* validate the instance creation */
if (!ins) {
flb_error("[config] section '%s' tried to instance a plugin name "
"that doesn't exist", name);
flb_sds_destroy(name);
return -1;
}
flb_sds_destroy(name);
/*
* iterate section properties and populate instance by using specific
* api function.
*/
cfl_list_foreach(h_prop, &s->properties->list) {
kv = cfl_list_entry(h_prop, struct cfl_kvpair, _head);
if (strcasecmp(kv->key, "name") == 0) {
continue;
}
/* set ret to -1 to ensure that we treat any unhandled plugin or
* value types as errors.
*/
ret = -1;
if (type == FLB_CF_CUSTOM) {
if (kv->val->type == CFL_VARIANT_STRING) {
ret = flb_custom_set_property(ins, kv->key, kv->val->data.as_string);
} else if (kv->val->type == CFL_VARIANT_ARRAY) {
for (i = 0; i < kv->val->data.as_array->entry_count; i++) {
val = kv->val->data.as_array->entries[i];
ret = flb_custom_set_property(ins, kv->key, val->data.as_string);
}
}
}
else if (type == FLB_CF_INPUT) {
if (kv->val->type == CFL_VARIANT_STRING) {
ret = flb_input_set_property(ins, kv->key, kv->val->data.as_string);
} else if (kv->val->type == CFL_VARIANT_ARRAY) {
for (i = 0; i < kv->val->data.as_array->entry_count; i++) {
val = kv->val->data.as_array->entries[i];
ret = flb_input_set_property(ins, kv->key, val->data.as_string);
}
}
}
else if (type == FLB_CF_FILTER) {
if (kv->val->type == CFL_VARIANT_STRING) {
ret = flb_filter_set_property(ins, kv->key, kv->val->data.as_string);
} else if (kv->val->type == CFL_VARIANT_ARRAY) {
for (i = 0; i < kv->val->data.as_array->entry_count; i++) {
val = kv->val->data.as_array->entries[i];
ret = flb_filter_set_property(ins, kv->key, val->data.as_string);
}
}
}
else if (type == FLB_CF_OUTPUT) {
if (kv->val->type == CFL_VARIANT_STRING) {
ret = flb_output_set_property(ins, kv->key, kv->val->data.as_string);
} else if (kv->val->type == CFL_VARIANT_ARRAY) {
for (i = 0; i < kv->val->data.as_array->entry_count; i++) {
val = kv->val->data.as_array->entries[i];
ret = flb_output_set_property(ins, kv->key, val->data.as_string);
}
}
}
if (ret == -1) {
flb_error("[config] could not configure property '%s' on "
"%s plugin with section name '%s'",
kv->key, s_type, name);
}
}
/* Processors */
processors = flb_cf_group_get(cf, s, "processors");
if (processors) {
if (type == FLB_CF_INPUT) {
flb_processors_load_from_config_format_group(((struct flb_input_instance *) ins)->processor, processors);
}
else if (type == FLB_CF_OUTPUT) {
flb_processors_load_from_config_format_group(((struct flb_output_instance *) ins)->processor, processors);
}
else {
flb_error("[config] section '%s' does not support processors", s_type);
}
}
}
return 0;
}
/* Load a struct flb_config_format context into a flb_config instance */
int flb_config_load_config_format(struct flb_config *config, struct flb_cf *cf)
{
int ret;
struct flb_kv *kv;
struct mk_list *head;
struct cfl_kvpair *ckv;
struct cfl_list *chead;
struct flb_cf_section *s;
/* Process config environment vars */
mk_list_foreach(head, &cf->env) {
kv = mk_list_entry(head, struct flb_kv, _head);
ret = flb_env_set(config->env, kv->key, kv->val);
if (ret == -1) {
flb_error("could not set config environment variable '%s'", kv->key);
return -1;
}
}
/* Process all meta commands */
mk_list_foreach(head, &cf->metas) {
kv = mk_list_entry(head, struct flb_kv, _head);
flb_meta_run(config, kv->key, kv->val);
}
/* Validate sections */
mk_list_foreach(head, &cf->sections) {
s = mk_list_entry(head, struct flb_cf_section, _head);
if (strcasecmp(s->name, "env") == 0 ||
strcasecmp(s->name, "service") == 0 ||
strcasecmp(s->name, "custom") == 0 ||
strcasecmp(s->name, "input") == 0 ||
strcasecmp(s->name, "filter") == 0 ||
strcasecmp(s->name, "output") == 0) {
/* continue on valid sections */
continue;
}
/* Extra sanity checks */
if (strcasecmp(s->name, "parser") == 0 ||
strcasecmp(s->name, "multiline_parser") == 0) {
/*
* Classic mode configuration don't allow parser or multiline_parser
* to be defined in the main configuration file.
*/
if (cf->format == FLB_CF_CLASSIC) {
fprintf(stderr,
"Sections 'multiline_parser' and 'parser' are not valid in "
"the main configuration file. It belongs to \n"
"the 'parsers_file' configuration files.\n");
return -1;
}
else {
/* Yaml allow parsers definitions in any Yaml file, all good */
}
}
}
/* Read main 'service' section */
s = cf->service;
if (s) {
/* Iterate properties */
cfl_list_foreach(chead, &s->properties->list) {
ckv = cfl_list_entry(chead, struct cfl_kvpair, _head);
flb_config_set_property(config, ckv->key, ckv->val->data.as_string);
}
}
ret = flb_parser_load_parser_definitions("", cf, config);
if (ret == -1) {
return -1;
}
ret = flb_parser_load_multiline_parser_definitions("", cf, config);
if (ret == -1) {
return -1;
}
ret = flb_plugin_load_config_format(cf, config);
if (ret == -1) {
return -1;
}
ret = configure_plugins_type(config, cf, FLB_CF_CUSTOM);
if (ret == -1) {
return -1;
}
ret = configure_plugins_type(config, cf, FLB_CF_INPUT);
if (ret == -1) {
return -1;
}
ret = configure_plugins_type(config, cf, FLB_CF_FILTER);
if (ret == -1) {
return -1;
}
ret = configure_plugins_type(config, cf, FLB_CF_OUTPUT);
if (ret == -1) {
return -1;
}
return 0;
}