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// SPDX-License-Identifier: GPL-3.0-or-later
#include "nd_log-internals.h"
void nd_log_set_user_settings(ND_LOG_SOURCES source, const char *setting) {
char buf[FILENAME_MAX + 100];
if(setting && *setting)
strncpyz(buf, setting, sizeof(buf) - 1);
else
buf[0] = '\0';
struct nd_log_source *ls = &nd_log.sources[source];
char *output = strrchr(buf, '@');
if(!output)
// all of it is the output
output = buf;
else {
// we found an '@', the next char is the output
*output = '\0';
output++;
// parse the other params
char *remaining = buf;
while(remaining) {
char *value = strsep_skip_consecutive_separators(&remaining, ",");
if (!value || !*value) continue;
char *name = strsep_skip_consecutive_separators(&value, "=");
if (!name || !*name) continue;
if(strcmp(name, "logfmt") == 0)
ls->format = NDLF_LOGFMT;
else if(strcmp(name, "json") == 0)
ls->format = NDLF_JSON;
else if(strcmp(name, "journal") == 0)
ls->format = NDLF_JOURNAL;
#if defined(OS_WINDOWS)
#if defined(HAVE_ETW)
else if(strcmp(name, ETW_NAME) == 0)
ls->format = NDLF_ETW;
#endif
#if defined(HAVE_WEL)
else if(strcmp(name, WEL_NAME) == 0)
ls->format = NDLF_WEL;
#endif
#endif
else if(strcmp(name, "level") == 0 && value && *value)
ls->min_priority = nd_log_priority2id(value);
else if(strcmp(name, "protection") == 0 && value && *value) {
if(strcmp(value, "off") == 0 || strcmp(value, "none") == 0) {
ls->limits = ND_LOG_LIMITS_UNLIMITED;
ls->limits.counter = 0;
ls->limits.prevented = 0;
}
else {
ls->limits = ND_LOG_LIMITS_DEFAULT;
char *slash = strchr(value, '/');
if(slash) {
*slash = '\0';
slash++;
ls->limits.logs_per_period = ls->limits.logs_per_period_backup = str2u(value);
int period;
if(!duration_parse_seconds(slash, &period)) {
nd_log(NDLS_DAEMON, NDLP_ERR, "Error while parsing period '%s'", slash);
period = ND_LOG_DEFAULT_THROTTLE_PERIOD;
}
ls->limits.throttle_period = period;
}
else {
ls->limits.logs_per_period = ls->limits.logs_per_period_backup = str2u(value);
ls->limits.throttle_period = ND_LOG_DEFAULT_THROTTLE_PERIOD;
}
}
}
else
nd_log(NDLS_DAEMON, NDLP_ERR,
"Error while parsing configuration of log source '%s'. "
"In config '%s', '%s' is not understood.",
nd_log_id2source(source), setting, name);
}
}
if(!output || !*output || strcmp(output, "none") == 0 || strcmp(output, "off") == 0) {
ls->method = NDLM_DISABLED;
ls->filename = "/dev/null";
}
else if(strcmp(output, "journal") == 0) {
ls->method = NDLM_JOURNAL;
ls->filename = NULL;
}
#if defined(OS_WINDOWS)
#if defined(HAVE_ETW)
else if(strcmp(output, ETW_NAME) == 0) {
ls->method = NDLM_ETW;
ls->filename = NULL;
}
#endif
#if defined(HAVE_WEL)
else if(strcmp(output, WEL_NAME) == 0) {
ls->method = NDLM_WEL;
ls->filename = NULL;
}
#endif
#endif
else if(strcmp(output, "syslog") == 0) {
ls->method = NDLM_SYSLOG;
ls->filename = NULL;
}
else if(strcmp(output, "/dev/null") == 0) {
ls->method = NDLM_DEVNULL;
ls->filename = "/dev/null";
}
else if(strcmp(output, "system") == 0) {
if(ls->fd == STDERR_FILENO) {
ls->method = NDLM_STDERR;
ls->filename = NULL;
ls->fd = STDERR_FILENO;
}
else {
ls->method = NDLM_STDOUT;
ls->filename = NULL;
ls->fd = STDOUT_FILENO;
}
}
else if(strcmp(output, "stderr") == 0) {
ls->method = NDLM_STDERR;
ls->filename = NULL;
ls->fd = STDERR_FILENO;
}
else if(strcmp(output, "stdout") == 0) {
ls->method = NDLM_STDOUT;
ls->filename = NULL;
ls->fd = STDOUT_FILENO;
}
else {
ls->method = NDLM_FILE;
ls->filename = strdupz(output);
}
#if defined(NETDATA_INTERNAL_CHECKS) || defined(NETDATA_DEV_MODE)
ls->min_priority = NDLP_DEBUG;
#endif
if(source == NDLS_COLLECTORS) {
// set the method for the collector processes we will spawn
ND_LOG_METHOD method = NDLM_STDERR;
ND_LOG_FORMAT format = NDLF_LOGFMT;
ND_LOG_FIELD_PRIORITY priority = ls->min_priority;
if(IS_VALID_LOG_METHOD_FOR_EXTERNAL_PLUGINS(ls->method)) {
method = ls->method;
format = ls->format;
}
nd_setenv("NETDATA_LOG_METHOD", nd_log_id2method(method), 1);
nd_setenv("NETDATA_LOG_FORMAT", nd_log_id2format(format), 1);
nd_setenv("NETDATA_LOG_LEVEL", nd_log_id2priority(priority), 1);
}
}
void nd_log_set_priority_level(const char *setting) {
if(!setting || !*setting)
setting = "info";
ND_LOG_FIELD_PRIORITY priority = nd_log_priority2id(setting);
#if defined(NETDATA_INTERNAL_CHECKS) || defined(NETDATA_DEV_MODE)
priority = NDLP_DEBUG;
#endif
for (size_t i = 0; i < _NDLS_MAX; i++) {
if (i != NDLS_DEBUG)
nd_log.sources[i].min_priority = priority;
}
// the right one
nd_setenv("NETDATA_LOG_LEVEL", nd_log_id2priority(priority), 1);
}
void nd_log_set_facility(const char *facility) {
if(!facility || !*facility)
facility = "daemon";
nd_log.syslog.facility = nd_log_facility2id(facility);
nd_setenv("NETDATA_SYSLOG_FACILITY", nd_log_id2facility(nd_log.syslog.facility), 1);
}
void nd_log_set_flood_protection(size_t logs, time_t period) {
nd_log.sources[NDLS_DAEMON].limits.logs_per_period =
nd_log.sources[NDLS_DAEMON].limits.logs_per_period_backup;
nd_log.sources[NDLS_COLLECTORS].limits.logs_per_period =
nd_log.sources[NDLS_COLLECTORS].limits.logs_per_period_backup = logs;
nd_log.sources[NDLS_DAEMON].limits.throttle_period =
nd_log.sources[NDLS_COLLECTORS].limits.throttle_period = period;
char buf[100];
snprintfz(buf, sizeof(buf), "%" PRIu64, (uint64_t )period);
nd_setenv("NETDATA_ERRORS_THROTTLE_PERIOD", buf, 1);
snprintfz(buf, sizeof(buf), "%" PRIu64, (uint64_t )logs);
nd_setenv("NETDATA_ERRORS_PER_PERIOD", buf, 1);
}
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