host->hash_hostname = simple_hash(host->hostname);
}
+static inline void rrdhost_init_os(RRDHOST *host, const char *os) {
+ freez(host->os);
+ host->os = strdupz(os?os:"unknown");
+}
+
static inline void rrdhost_init_machine_guid(RRDHOST *host, const char *machine_guid) {
strncpy(host->machine_guid, machine_guid, GUID_LEN);
host->machine_guid[GUID_LEN] = '\0';
RRDHOST *rrdhost_create(const char *hostname,
const char *guid,
+ const char *os,
int update_every,
int entries,
RRD_MEMORY_MODE memory_mode,
- int health_enabled) {
+ int health_enabled,
+ int rrdpush_enabled,
+ char *rrdpush_destination,
+ char *rrdpush_api_key,
+ int is_localhost
+) {
- debug(D_RRDHOST, "Adding host '%s' with guid '%s'", hostname, guid);
+ debug(D_RRDHOST, "Host '%s': adding with guid '%s'", hostname, guid);
RRDHOST *host = callocz(1, sizeof(RRDHOST));
host->rrd_update_every = update_every;
host->rrd_history_entries = entries;
host->rrd_memory_mode = memory_mode;
- host->health_enabled = health_enabled;
+ host->health_enabled = (memory_mode == RRD_MEMORY_MODE_NONE)? 0 : health_enabled;
+ host->rrdpush_enabled = (rrdpush_enabled && rrdpush_destination && *rrdpush_destination && rrdpush_api_key && *rrdpush_api_key);
+ host->rrdpush_destination = (host->rrdpush_enabled)?strdupz(rrdpush_destination):NULL;
+ host->rrdpush_api_key = (host->rrdpush_enabled)?strdupz(rrdpush_api_key):NULL;
- pthread_rwlock_init(&(host->rrdhost_rwlock), NULL);
+ host->rrdpush_pipe[0] = -1;
+ host->rrdpush_pipe[1] = -1;
+ host->rrdpush_socket = -1;
+
+ pthread_mutex_init(&host->rrdpush_mutex, NULL);
+ pthread_rwlock_init(&host->rrdhost_rwlock, NULL);
rrdhost_init_hostname(host, hostname);
rrdhost_init_machine_guid(host, guid);
+ rrdhost_init_os(host, os);
- avl_init_lock(&(host->rrdset_root_index), rrdset_compare);
+ avl_init_lock(&(host->rrdset_root_index), rrdset_compare);
avl_init_lock(&(host->rrdset_root_index_name), rrdset_compare_name);
- avl_init_lock(&(host->rrdfamily_root_index), rrdfamily_compare);
- avl_init_lock(&(host->variables_root_index), rrdvar_compare);
+ avl_init_lock(&(host->rrdfamily_root_index), rrdfamily_compare);
+ avl_init_lock(&(host->variables_root_index), rrdvar_compare);
// ------------------------------------------------------------------------
// initialize health variables
host->health_log.next_log_id =
host->health_log.next_alarm_id = (uint32_t)now_realtime_sec();
- long n = config_get_number("health", "in memory max health log entries", host->health_log.max);
+ long n = config_get_number(CONFIG_SECTION_HEALTH, "in memory max health log entries", host->health_log.max);
if(n < 10) {
- error("Health configuration has invalid max log entries %ld. Using default %u", n, host->health_log.max);
- config_set_number("health", "in memory max health log entries", (long)host->health_log.max);
+ error("Host '%s': health configuration has invalid max log entries %ld. Using default %u", host->hostname, n, host->health_log.max);
+ config_set_number(CONFIG_SECTION_HEALTH, "in memory max health log entries", (long)host->health_log.max);
}
else
host->health_log.max = (unsigned int)n;
char filename[FILENAME_MAX + 1];
- if(!localhost) {
- // this is localhost
+ if(is_localhost) {
- host->cache_dir = strdupz(netdata_configured_cache_dir);
+ host->cache_dir = strdupz(netdata_configured_cache_dir);
host->varlib_dir = strdupz(netdata_configured_varlib_dir);
- snprintfz(filename, FILENAME_MAX, "%s/health/health-log.db", host->varlib_dir);
- host->health_log_filename = strdupz(config_get("health", "health db file", filename));
-
}
else {
// this is not localhost - append our GUID to localhost path
if(host->rrd_memory_mode == RRD_MEMORY_MODE_MAP || host->rrd_memory_mode == RRD_MEMORY_MODE_SAVE) {
int r = mkdir(host->cache_dir, 0775);
if(r != 0 && errno != EEXIST)
- error("Cannot create directory '%s'", host->cache_dir);
+ error("Host '%s': cannot create directory '%s'", host->hostname, host->cache_dir);
}
snprintfz(filename, FILENAME_MAX, "%s/%s", netdata_configured_varlib_dir, host->machine_guid);
if(host->health_enabled) {
int r = mkdir(host->varlib_dir, 0775);
if(r != 0 && errno != EEXIST)
- error("Cannot create directory '%s'", host->varlib_dir);
- }
+ error("Host '%s': cannot create directory '%s'", host->hostname, host->varlib_dir);
- snprintfz(filename, FILENAME_MAX, "%s/health/health-log.db", host->varlib_dir);
- host->health_log_filename = strdupz(filename);
+ snprintfz(filename, FILENAME_MAX, "%s/health", host->varlib_dir);
+ r = mkdir(filename, 0775);
+ if(r != 0 && errno != EEXIST)
+ error("Host '%s': cannot create directory '%s'", host->hostname, filename);
+ }
}
+ snprintfz(filename, FILENAME_MAX, "%s/health/health-log.db", host->varlib_dir);
+ host->health_log_filename = strdupz(filename);
+
snprintfz(filename, FILENAME_MAX, "%s/alarm-notify.sh", netdata_configured_plugins_dir);
- host->health_default_exec = strdupz(config_get("health", "script to execute on alarm", filename));
+ host->health_default_exec = strdupz(config_get(CONFIG_SECTION_HEALTH, "script to execute on alarm", filename));
host->health_default_recipient = strdup("root");
// ------------------------------------------------------------------------
// load health configuration
- health_alarm_log_load(host);
- health_alarm_log_open(host);
+ if(host->health_enabled) {
+ health_alarm_log_load(host);
+ health_alarm_log_open(host);
- rrdhost_wrlock(host);
- health_readdir(host, health_config_dir());
- rrdhost_unlock(host);
+ rrdhost_wrlock(host);
+ health_readdir(host, health_config_dir());
+ rrdhost_unlock(host);
+ }
// ------------------------------------------------------------------------
rrd_wrlock();
- if(localhost) {
- host->next = localhost->next;
- localhost->next = host;
+ if(is_localhost) {
+ host->next = localhost;
+ localhost = host;
+ }
+ else {
+ if(localhost) {
+ host->next = localhost->next;
+ localhost->next = host;
+ }
+ else localhost = host;
}
- if(rrdhost_index_add(host) != host)
- fatal("Cannot add host '%s' to index. It already exists.", hostname);
+ RRDHOST *t = rrdhost_index_add(host);
+
+ if(t != host) {
+ error("Host '%s': cannot add host with machine guid '%s' to index. It already exists as host '%s' with machine guid '%s'.", host->hostname, host->machine_guid, t->hostname, t->machine_guid);
+ rrdhost_free(host);
+ host = NULL;
+ }
+ else {
+ info("Host '%s' with guid '%s' initialized"
+ ", os: %s"
+ ", update every: %d"
+ ", memory mode: %s"
+ ", history entries: %d"
+ ", streaming: %s"
+ " to: '%s' (api key: '%s')"
+ ", health: %s"
+ ", cache_dir: '%s'"
+ ", varlib_dir: '%s'"
+ ", health_log: '%s'"
+ ", alarms default handler: '%s'"
+ ", alarms default recipient: '%s'"
+ , host->hostname
+ , host->machine_guid
+ , host->os
+ , host->rrd_update_every
+ , rrd_memory_mode_name(host->rrd_memory_mode)
+ , host->rrd_history_entries
+ , host->rrdpush_enabled?"enabled":"disabled"
+ , host->rrdpush_destination
+ , host->rrdpush_api_key
+ , host->health_enabled?"enabled":"disabled"
+ , host->cache_dir
+ , host->varlib_dir
+ , host->health_log_filename
+ , host->health_default_exec
+ , host->health_default_recipient
+ );
+ }
rrd_unlock();
- debug(D_RRDHOST, "Added host '%s' with guid '%s'", host->hostname, host->machine_guid);
return host;
}
-RRDHOST *rrdhost_find_or_create(const char *hostname, const char *guid) {
+RRDHOST *rrdhost_find_or_create(
+ const char *hostname
+ , const char *guid
+ , const char *os
+ , int update_every
+ , int history
+ , RRD_MEMORY_MODE mode
+ , int health_enabled
+ , int rrdpush_enabled
+ , char *rrdpush_destination
+ , char *rrdpush_api_key
+) {
debug(D_RRDHOST, "Searching for host '%s' with guid '%s'", hostname, guid);
RRDHOST *host = rrdhost_find(guid, 0);
- if(!host)
- host = rrdhost_create(hostname,
- guid,
- default_rrd_update_every,
- default_rrd_history_entries,
- default_rrd_memory_mode,
- default_health_enabled
+ if(!host) {
+ host = rrdhost_create(
+ hostname
+ , guid
+ , os
+ , update_every
+ , history
+ , mode
+ , health_enabled
+ , rrdpush_enabled
+ , rrdpush_destination
+ , rrdpush_api_key
+ , 0
);
+ }
+ else {
+ host->health_enabled = health_enabled;
+
+ if(strcmp(host->hostname, hostname)) {
+ char *t = host->hostname;
+ char *n = strdupz(hostname);
+ host->hostname = n;
+ freez(t);
+ }
+
+ if(host->rrd_update_every != update_every)
+ error("Host '%s' has an update frequency of %d seconds, but the wanted one is %d seconds.", host->hostname, host->rrd_update_every, update_every);
+
+ if(host->rrd_history_entries != history)
+ error("Host '%s' has history of %d entries, but the wanted one is %d entries.", host->hostname, host->rrd_history_entries, history);
+
+ if(host->rrd_memory_mode != mode)
+ error("Host '%s' has memory mode '%s', but the wanted one is '%s'.", host->hostname, rrd_memory_mode_name(host->rrd_memory_mode), rrd_memory_mode_name(mode));
+ }
return host;
}
// RRDHOST global / startup initialization
void rrd_init(char *hostname) {
- debug(D_RRDHOST, "Initializing localhost with hostname '%s'", hostname);
+ health_init();
+ registry_init();
+ rrdpush_init();
- localhost = rrdhost_create(hostname,
- registry_get_this_machine_guid(),
- default_rrd_update_every,
- default_rrd_history_entries,
- default_rrd_memory_mode,
- default_health_enabled
+ debug(D_RRDHOST, "Initializing localhost with hostname '%s'", hostname);
+ localhost = rrdhost_create(
+ hostname
+ , registry_get_this_machine_guid()
+ , os_type
+ , default_rrd_update_every
+ , default_rrd_history_entries
+ , default_rrd_memory_mode
+ , default_health_enabled
+ , default_rrdpush_enabled
+ , default_rrdpush_destination
+ , default_rrdpush_api_key
+ , 1
);
}
// ------------------------------------------------------------------------
// free it
+ if(host->rrdpush_spawn) {
+ pthread_cancel(host->rrdpush_thread);
+ rrdpush_sender_thread_cleanup(host);
+ }
+
+ freez(host->os);
freez(host->cache_dir);
freez(host->varlib_dir);
+ freez(host->rrdpush_api_key);
+ freez(host->rrdpush_destination);
freez(host->health_default_exec);
freez(host->health_default_recipient);
freez(host->health_log_filename);
projects / netdata.git / blobdiff