diff options
Diffstat (limited to 'src/health/health.c')
| -rw-r--r-- | src/health/health.c | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/src/health/health.c b/src/health/health.c new file mode 100644 index 000000000..7039a193c --- /dev/null +++ b/src/health/health.c @@ -0,0 +1,172 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#include "health.h" +#include "health_internals.h" + +struct health_plugin_globals health_globals = { + .initialization = { + .spinlock = NETDATA_SPINLOCK_INITIALIZER, + .done = false, + }, + .config = { + .enabled = true, + .stock_enabled = true, + .use_summary_for_notifications = true, + + .health_log_entries_max = HEALTH_LOG_ENTRIES_DEFAULT, + .health_log_history = HEALTH_LOG_HISTORY_DEFAULT, + + .default_warn_repeat_every = 0, + .default_crit_repeat_every = 0, + + .run_at_least_every_seconds = 10, + .postpone_alarms_during_hibernation_for_seconds = 60, + }, + .prototypes = { + .dict = NULL, + } +}; + +bool health_plugin_enabled(void) { + return health_globals.config.enabled; +} + +void health_plugin_disable(void) { + health_globals.config.enabled = false; +} + + +static void health_load_config_defaults(void) { + char filename[FILENAME_MAX + 1]; + + health_globals.config.enabled = + config_get_boolean(CONFIG_SECTION_HEALTH, + "enabled", + health_globals.config.enabled); + + health_globals.config.stock_enabled = + config_get_boolean(CONFIG_SECTION_HEALTH, + "enable stock health configuration", + health_globals.config.stock_enabled); + + health_globals.config.use_summary_for_notifications = + config_get_boolean(CONFIG_SECTION_HEALTH, + "use summary for notifications", + health_globals.config.use_summary_for_notifications); + + health_globals.config.default_warn_repeat_every = + config_get_duration(CONFIG_SECTION_HEALTH, "default repeat warning", "never"); + + health_globals.config.default_crit_repeat_every = + config_get_duration(CONFIG_SECTION_HEALTH, "default repeat critical", "never"); + + health_globals.config.health_log_entries_max = + config_get_number(CONFIG_SECTION_HEALTH, "in memory max health log entries", + health_globals.config.health_log_entries_max); + + health_globals.config.health_log_history = + config_get_number(CONFIG_SECTION_HEALTH, "health log history", HEALTH_LOG_DEFAULT_HISTORY); + + snprintfz(filename, FILENAME_MAX, "%s/alarm-notify.sh", netdata_configured_primary_plugins_dir); + health_globals.config.default_exec = + string_strdupz(config_get(CONFIG_SECTION_HEALTH, "script to execute on alarm", filename)); + + health_globals.config.enabled_alerts = + simple_pattern_create(config_get(CONFIG_SECTION_HEALTH, "enabled alarms", "*"), + NULL, SIMPLE_PATTERN_EXACT, true); + + health_globals.config.run_at_least_every_seconds = + (int)config_get_number(CONFIG_SECTION_HEALTH, + "run at least every seconds", + health_globals.config.run_at_least_every_seconds); + + health_globals.config.postpone_alarms_during_hibernation_for_seconds = + config_get_number(CONFIG_SECTION_HEALTH, + "postpone alarms during hibernation for seconds", + health_globals.config.postpone_alarms_during_hibernation_for_seconds); + + health_globals.config.default_recipient = + string_strdupz("root"); + + // ------------------------------------------------------------------------ + // verify after loading + + if(health_globals.config.run_at_least_every_seconds < 1) + health_globals.config.run_at_least_every_seconds = 1; + + if(health_globals.config.health_log_entries_max < HEALTH_LOG_ENTRIES_MIN) { + nd_log(NDLS_DAEMON, NDLP_WARNING, + "Health configuration has invalid max log entries %u, using minimum of %u", + health_globals.config.health_log_entries_max, + HEALTH_LOG_ENTRIES_MIN); + + health_globals.config.health_log_entries_max = HEALTH_LOG_ENTRIES_MIN; + config_set_number(CONFIG_SECTION_HEALTH, "in memory max health log entries", + (long)health_globals.config.health_log_entries_max); + } + else if(health_globals.config.health_log_entries_max > HEALTH_LOG_ENTRIES_MAX) { + nd_log(NDLS_DAEMON, NDLP_WARNING, + "Health configuration has invalid max log entries %u, using maximum of %u", + health_globals.config.health_log_entries_max, + HEALTH_LOG_ENTRIES_MAX); + + health_globals.config.health_log_entries_max = HEALTH_LOG_ENTRIES_MAX; + config_set_number(CONFIG_SECTION_HEALTH, "in memory max health log entries", + (long)health_globals.config.health_log_entries_max); + } + + if (health_globals.config.health_log_history < HEALTH_LOG_MINIMUM_HISTORY) { + nd_log(NDLS_DAEMON, NDLP_WARNING, + "Health configuration has invalid health log history %u. Using minimum %d", + health_globals.config.health_log_history, HEALTH_LOG_MINIMUM_HISTORY); + + health_globals.config.health_log_history = HEALTH_LOG_MINIMUM_HISTORY; + config_set_number(CONFIG_SECTION_HEALTH, "health log history", health_globals.config.health_log_history); + } + + nd_log(NDLS_DAEMON, NDLP_DEBUG, + "Health log history is set to %u seconds (%u days)", + health_globals.config.health_log_history, health_globals.config.health_log_history / 86400); +} + +inline char *health_user_config_dir(void) { + char buffer[FILENAME_MAX + 1]; + snprintfz(buffer, FILENAME_MAX, "%s/health.d", netdata_configured_user_config_dir); + return config_get(CONFIG_SECTION_DIRECTORIES, "health config", buffer); +} + +inline char *health_stock_config_dir(void) { + char buffer[FILENAME_MAX + 1]; + snprintfz(buffer, FILENAME_MAX, "%s/health.d", netdata_configured_stock_config_dir); + return config_get(CONFIG_SECTION_DIRECTORIES, "stock health config", buffer); +} + +void health_plugin_init(void) { + spinlock_lock(&health_globals.initialization.spinlock); + + if(health_globals.initialization.done) + goto cleanup; + + health_globals.initialization.done = true; + + health_init_prototypes(); + health_load_config_defaults(); + + if(!health_plugin_enabled()) + goto cleanup; + + health_reload_prototypes(); + health_silencers_init(); + +cleanup: + spinlock_unlock(&health_globals.initialization.spinlock); +} + +void health_plugin_destroy(void) { + ; +} + +void health_plugin_reload(void) { + health_reload_prototypes(); + health_apply_prototypes_to_all_hosts(); +} |