| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | #include "nd_log-internals.h" |
| 4 | |
| 5 | void nd_log_set_user_settings(ND_LOG_SOURCES source, const char *setting) { |
| 6 | char buf[FILENAME_MAX + 100]; |
| 7 | if(setting && *setting) |
| 8 | strncpyz(buf, setting, sizeof(buf) - 1); |
| 9 | else |
| 10 | buf[0] = '\0'; |
| 11 | |
| 12 | struct nd_log_source *ls = &nd_log.sources[source]; |
| 13 | char *output = strrchr(buf, '@'); |
| 14 | |
| 15 | if(!output) |
| 16 | // all of it is the output |
| 17 | output = buf; |
| 18 | else { |
| 19 | // we found an '@', the next char is the output |
| 20 | *output = '\0'; |
| 21 | output++; |
| 22 | |
| 23 | // parse the other params |
| 24 | char *remaining = buf; |
| 25 | while(remaining) { |
| 26 | char *value = strsep_skip_consecutive_separators(&remaining, ","); |
| 27 | if (!value || !*value) continue; |
| 28 | |
| 29 | char *name = strsep_skip_consecutive_separators(&value, "="); |
| 30 | if (!name || !*name) continue; |
| 31 | |
| 32 | if(strcmp(name, "logfmt") == 0) |
| 33 | ls->format = NDLF_LOGFMT; |
| 34 | else if(strcmp(name, "json") == 0) |
| 35 | ls->format = NDLF_JSON; |
| 36 | else if(strcmp(name, "journal") == 0) |
| 37 | ls->format = NDLF_JOURNAL; |
| 38 | #if defined(OS_WINDOWS) |
| 39 | #if defined(HAVE_ETW) |
| 40 | else if(strcmp(name, ETW_NAME) == 0) |
| 41 | ls->format = NDLF_ETW; |
| 42 | #endif |
| 43 | #if defined(HAVE_WEL) |
| 44 | else if(strcmp(name, WEL_NAME) == 0) |
| 45 | ls->format = NDLF_WEL; |
| 46 | #endif |
| 47 | #endif |
| 48 | else if(strcmp(name, "level") == 0 && value && *value) |
| 49 | ls->min_priority = nd_log_priority2id(value); |
| 50 | else if(strcmp(name, "protection") == 0 && value && *value) { |
| 51 | if(strcmp(value, "off") == 0 || strcmp(value, "none") == 0) { |
| 52 | ls->limits = ND_LOG_LIMITS_UNLIMITED; |
| 53 | ls->limits.counter = 0; |
| 54 | ls->limits.prevented = 0; |
| 55 | } |
| 56 | else { |
| 57 | ls->limits = ND_LOG_LIMITS_DEFAULT; |
| 58 | |
| 59 | char *slash = strchr(value, '/'); |
| 60 | if(slash) { |
| 61 | *slash = '\0'; |
| 62 | slash++; |
| 63 | ls->limits.logs_per_period = ls->limits.logs_per_period_backup = str2u(value); |
| 64 | |
| 65 | int period; |
| 66 | if(!duration_parse_seconds(slash, &period)) { |
| 67 | nd_log(NDLS_DAEMON, NDLP_ERR, "Error while parsing period '%s'", slash); |
| 68 | period = ND_LOG_DEFAULT_THROTTLE_PERIOD; |
| 69 | } |
| 70 | |
| 71 | ls->limits.throttle_period = period; |
| 72 | } |
| 73 | else { |
| 74 | ls->limits.logs_per_period = ls->limits.logs_per_period_backup = str2u(value); |
| 75 | ls->limits.throttle_period = ND_LOG_DEFAULT_THROTTLE_PERIOD; |
| 76 | } |
| 77 | } |
| 78 | } |
| 79 | else |
| 80 | nd_log(NDLS_DAEMON, NDLP_ERR, |
| 81 | "Error while parsing configuration of log source '%s'. " |
| 82 | "In config '%s', '%s' is not understood.", |
| 83 | nd_log_id2source(source), setting, name); |
| 84 | } |
| 85 | } |
| 86 | |
| 87 | if(!output || !*output || strcmp(output, "none") == 0 || strcmp(output, "off") == 0) { |
| 88 | ls->method = NDLM_DISABLED; |
| 89 | ls->filename = "/dev/null"; |
| 90 | } |
| 91 | else if(strcmp(output, "journal") == 0) { |
| 92 | ls->method = NDLM_JOURNAL; |
| 93 | ls->filename = NULL; |
| 94 | } |
| 95 | #if defined(OS_WINDOWS) |
| 96 | #if defined(HAVE_ETW) |
| 97 | else if(strcmp(output, ETW_NAME) == 0) { |
| 98 | ls->method = NDLM_ETW; |
| 99 | ls->filename = NULL; |
| 100 | } |
| 101 | #endif |
| 102 | #if defined(HAVE_WEL) |
| 103 | else if(strcmp(output, WEL_NAME) == 0) { |
| 104 | ls->method = NDLM_WEL; |
| 105 | ls->filename = NULL; |
| 106 | } |
| 107 | #endif |
| 108 | #endif |
| 109 | else if(strcmp(output, "syslog") == 0) { |
| 110 | ls->method = NDLM_SYSLOG; |
| 111 | ls->filename = NULL; |
| 112 | } |
| 113 | else if(strcmp(output, "/dev/null") == 0) { |
| 114 | ls->method = NDLM_DEVNULL; |
| 115 | ls->filename = "/dev/null"; |
| 116 | } |
| 117 | else if(strcmp(output, "system") == 0) { |
| 118 | if(ls->fd == STDERR_FILENO) { |
| 119 | ls->method = NDLM_STDERR; |
| 120 | ls->filename = NULL; |
| 121 | ls->fd = STDERR_FILENO; |
| 122 | } |
| 123 | else { |
| 124 | ls->method = NDLM_STDOUT; |
| 125 | ls->filename = NULL; |
| 126 | ls->fd = STDOUT_FILENO; |
| 127 | } |
| 128 | } |
| 129 | else if(strcmp(output, "stderr") == 0) { |
| 130 | ls->method = NDLM_STDERR; |
| 131 | ls->filename = NULL; |
| 132 | ls->fd = STDERR_FILENO; |
| 133 | } |
| 134 | else if(strcmp(output, "stdout") == 0) { |
| 135 | ls->method = NDLM_STDOUT; |
| 136 | ls->filename = NULL; |
| 137 | ls->fd = STDOUT_FILENO; |
| 138 | } |
| 139 | else { |
| 140 | ls->method = NDLM_FILE; |
| 141 | ls->filename = strdupz(output); |
| 142 | } |
| 143 | |
| 144 | #if defined(NETDATA_INTERNAL_CHECKS) || defined(NETDATA_DEV_MODE) |
| 145 | ls->min_priority = NDLP_DEBUG; |
| 146 | #endif |
| 147 | |
| 148 | if(source == NDLS_COLLECTORS) { |
| 149 | // set the method for the collector processes we will spawn |
| 150 | |
| 151 | ND_LOG_METHOD method = NDLM_STDERR; |
| 152 | ND_LOG_FORMAT format = NDLF_LOGFMT; |
| 153 | ND_LOG_FIELD_PRIORITY priority = ls->min_priority; |
| 154 | |
| 155 | if(IS_VALID_LOG_METHOD_FOR_EXTERNAL_PLUGINS(ls->method)) { |
| 156 | method = ls->method; |
| 157 | format = ls->format; |
| 158 | } |
| 159 | |
| 160 | nd_setenv("NETDATA_LOG_METHOD", nd_log_id2method(method), 1); |
| 161 | nd_setenv("NETDATA_LOG_FORMAT", nd_log_id2format(format), 1); |
| 162 | nd_setenv("NETDATA_LOG_LEVEL", nd_log_id2priority(priority), 1); |
| 163 | } |
| 164 | } |
| 165 | |
| 166 | void nd_log_set_priority_level(const char *setting) { |
| 167 | if(!setting || !*setting) |
| 168 | setting = "info"; |
| 169 | |
| 170 | ND_LOG_FIELD_PRIORITY priority = nd_log_priority2id(setting); |
| 171 | |
| 172 | #if defined(NETDATA_INTERNAL_CHECKS) || defined(NETDATA_DEV_MODE) |
| 173 | priority = NDLP_DEBUG; |
| 174 | #endif |
| 175 | |
| 176 | for (size_t i = 0; i < _NDLS_MAX; i++) { |
| 177 | if (i != NDLS_DEBUG) |
| 178 | nd_log.sources[i].min_priority = priority; |
| 179 | } |
| 180 | |
| 181 | // the right one |
| 182 | nd_setenv("NETDATA_LOG_LEVEL", nd_log_id2priority(priority), 1); |
| 183 | } |
| 184 | |
| 185 | void nd_log_set_facility(const char *facility) { |
| 186 | if(!facility || !*facility) |
| 187 | facility = "daemon"; |
| 188 | |
| 189 | nd_log.syslog.facility = nd_log_facility2id(facility); |
| 190 | nd_setenv("NETDATA_SYSLOG_FACILITY", nd_log_id2facility(nd_log.syslog.facility), 1); |
| 191 | } |
| 192 | |
| 193 | void nd_log_set_flood_protection(size_t logs, time_t period) { |
| 194 | // daemon logs |
| 195 | spinlock_lock(&nd_log.sources[NDLS_DAEMON].limits.spinlock); |
| 196 | nd_log.sources[NDLS_DAEMON].limits.logs_per_period = logs; |
| 197 | nd_log.sources[NDLS_DAEMON].limits.logs_per_period_backup = logs; |
| 198 | nd_log.sources[NDLS_DAEMON].limits.throttle_period = period; |
| 199 | spinlock_unlock(&nd_log.sources[NDLS_DAEMON].limits.spinlock); |
| 200 | |
| 201 | // collectors logs |
| 202 | spinlock_lock(&nd_log.sources[NDLS_COLLECTORS].limits.spinlock); |
| 203 | nd_log.sources[NDLS_COLLECTORS].limits.logs_per_period = logs; |
| 204 | nd_log.sources[NDLS_COLLECTORS].limits.logs_per_period_backup = logs; |
| 205 | nd_log.sources[NDLS_COLLECTORS].limits.throttle_period = period; |
| 206 | spinlock_unlock(&nd_log.sources[NDLS_COLLECTORS].limits.spinlock); |
| 207 | |
| 208 | char buf[100]; |
| 209 | snprintfz(buf, sizeof(buf), "%" PRIu64, (uint64_t)period); |
| 210 | nd_setenv("NETDATA_ERRORS_THROTTLE_PERIOD", buf, 1); |
| 211 | snprintfz(buf, sizeof(buf), "%" PRIu64, (uint64_t)logs); |
| 212 | nd_setenv("NETDATA_ERRORS_PER_PERIOD", buf, 1); |
| 213 | } |