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netdata/health/health_config.c

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// SPDX-License-Identifier: GPL-3.0-or-later
#include "health.h"
#define HEALTH_CONF_MAX_LINE 4096
#define HEALTH_ALARM_KEY "alarm"
#define HEALTH_TEMPLATE_KEY "template"
#define HEALTH_ON_KEY "on"
#define HEALTH_HOST_KEY "hosts"
#define HEALTH_OS_KEY "os"
#define HEALTH_FAMILIES_KEY "families"
#define HEALTH_PLUGIN_KEY "plugin"
#define HEALTH_MODULE_KEY "module"
#define HEALTH_CHARTS_KEY "charts"
#define HEALTH_LOOKUP_KEY "lookup"
#define HEALTH_CALC_KEY "calc"
#define HEALTH_EVERY_KEY "every"
#define HEALTH_GREEN_KEY "green"
#define HEALTH_RED_KEY "red"
#define HEALTH_WARN_KEY "warn"
#define HEALTH_CRIT_KEY "crit"
#define HEALTH_EXEC_KEY "exec"
#define HEALTH_RECIPIENT_KEY "to"
#define HEALTH_UNITS_KEY "units"
#define HEALTH_INFO_KEY "info"
#define HEALTH_CLASS_KEY "class"
#define HEALTH_COMPONENT_KEY "component"
#define HEALTH_TYPE_KEY "type"
#define HEALTH_DELAY_KEY "delay"
#define HEALTH_OPTIONS_KEY "options"
#define HEALTH_REPEAT_KEY "repeat"
#define HEALTH_HOST_LABEL_KEY "host labels"
#define HEALTH_FOREACH_KEY "foreach"
static inline int health_parse_delay(
size_t line, const char *filename, char *string,
int *delay_up_duration,
int *delay_down_duration,
int *delay_max_duration,
float *delay_multiplier) {
char given_up = 0;
char given_down = 0;
char given_max = 0;
char given_multiplier = 0;
char *s = string;
while(*s) {
char *key = s;
while(*s && !isspace(*s)) s++;
while(*s && isspace(*s)) *s++ = '\0';
if(!*key) break;
char *value = s;
while(*s && !isspace(*s)) s++;
while(*s && isspace(*s)) *s++ = '\0';
if(!strcasecmp(key, "up")) {
if (!config_parse_duration(value, delay_up_duration)) {
error("Health configuration at line %zu of file '%s': invalid value '%s' for '%s' keyword",
line, filename, value, key);
}
else given_up = 1;
}
else if(!strcasecmp(key, "down")) {
if (!config_parse_duration(value, delay_down_duration)) {
error("Health configuration at line %zu of file '%s': invalid value '%s' for '%s' keyword",
line, filename, value, key);
}
else given_down = 1;
}
else if(!strcasecmp(key, "multiplier")) {
*delay_multiplier = strtof(value, NULL);
if(isnan(*delay_multiplier) || isinf(*delay_multiplier) || islessequal(*delay_multiplier, 0)) {
error("Health configuration at line %zu of file '%s': invalid value '%s' for '%s' keyword",
line, filename, value, key);
}
else given_multiplier = 1;
}
else if(!strcasecmp(key, "max")) {
if (!config_parse_duration(value, delay_max_duration)) {
error("Health configuration at line %zu of file '%s': invalid value '%s' for '%s' keyword",
line, filename, value, key);
}
else given_max = 1;
}
else {
error("Health configuration at line %zu of file '%s': unknown keyword '%s'",
line, filename, key);
}
}
if(!given_up)
*delay_up_duration = 0;
if(!given_down)
*delay_down_duration = 0;
if(!given_multiplier)
*delay_multiplier = 1.0;
if(!given_max) {
if((*delay_max_duration) < (*delay_up_duration) * (*delay_multiplier))
*delay_max_duration = (int)((*delay_up_duration) * (*delay_multiplier));
if((*delay_max_duration) < (*delay_down_duration) * (*delay_multiplier))
*delay_max_duration = (int)((*delay_down_duration) * (*delay_multiplier));
}
return 1;
}
static inline uint32_t health_parse_options(const char *s) {
uint32_t options = 0;
char buf[100+1] = "";
while(*s) {
buf[0] = '\0';
// skip spaces
while(*s && isspace(*s))
s++;
// find the next space
size_t count = 0;
while(*s && count < 100 && !isspace(*s))
buf[count++] = *s++;
if(buf[0]) {
buf[count] = '\0';
if(!strcasecmp(buf, "no-clear-notification") || !strcasecmp(buf, "no-clear"))
options |= RRDCALC_OPTION_NO_CLEAR_NOTIFICATION;
else
error("Ignoring unknown alarm option '%s'", buf);
}
}
return options;
}
static inline int health_parse_repeat(
size_t line,
const char *file,
char *string,
uint32_t *warn_repeat_every,
uint32_t *crit_repeat_every
) {
char *s = string;
while(*s) {
char *key = s;
while(*s && !isspace(*s)) s++;
while(*s && isspace(*s)) *s++ = '\0';
if(!*key) break;
char *value = s;
while(*s && !isspace(*s)) s++;
while(*s && isspace(*s)) *s++ = '\0';
if(!strcasecmp(key, "off")) {
*warn_repeat_every = 0;
*crit_repeat_every = 0;
return 1;
}
if(!strcasecmp(key, "warning")) {
if (!config_parse_duration(value, (int*)warn_repeat_every)) {
error("Health configuration at line %zu of file '%s': invalid value '%s' for '%s' keyword",
line, file, value, key);
}
}
else if(!strcasecmp(key, "critical")) {
if (!config_parse_duration(value, (int*)crit_repeat_every)) {
error("Health configuration at line %zu of file '%s': invalid value '%s' for '%s' keyword",
line, file, value, key);
}
}
}
return 1;
}
/**
* Health pattern from Foreach
*
* Create a new simple pattern using the user input
*
* @param s the string that will be used to create the simple pattern.
*/
static void dimension_remove_pipe_comma(char *str) {
while(*str) {
if(*str == '|' || *str == ',') *str = ' ';
str++;
}
}
static SIMPLE_PATTERN *health_pattern_from_foreach(const char *s) {
char *convert= strdupz(s);
SIMPLE_PATTERN *val = NULL;
if(convert) {
dimension_remove_pipe_comma(convert);
val = simple_pattern_create(convert, NULL, SIMPLE_PATTERN_EXACT);
freez(convert);
}
return val;
}
static inline int health_parse_db_lookup(
size_t line, const char *filename, char *string,
RRDR_GROUPING *group_method, int *after, int *before, int *every,
RRDCALC_OPTIONS *options, STRING **dimensions, STRING **foreachdim
) {
debug(D_HEALTH, "Health configuration parsing database lookup %zu@%s: %s", line, filename, string);
if(*dimensions) string_freez(*dimensions);
if(*foreachdim) string_freez(*foreachdim);
*dimensions = NULL;
*foreachdim = NULL;
*after = 0;
*before = 0;
*every = 0;
*options = (*options) & RRDCALC_ALL_OPTIONS_EXCLUDING_THE_RRDR_ONES; // preserve rrdcalc options
char *s = string, *key;
// first is the group method
key = s;
while(*s && !isspace(*s)) s++;
while(*s && isspace(*s)) *s++ = '\0';
if(!*s) {
error("Health configuration invalid chart calculation at line %zu of file '%s': expected group method followed by the 'after' time, but got '%s'",
line, filename, key);
return 0;
}
if((*group_method = web_client_api_request_v1_data_group(key, RRDR_GROUPING_UNDEFINED)) == RRDR_GROUPING_UNDEFINED) {
error("Health configuration at line %zu of file '%s': invalid group method '%s'",
line, filename, key);
return 0;
}
// then is the 'after' time
key = s;
while(*s && !isspace(*s)) s++;
while(*s && isspace(*s)) *s++ = '\0';
if(!config_parse_duration(key, after)) {
error("Health configuration at line %zu of file '%s': invalid duration '%s' after group method",
line, filename, key);
return 0;
}
// sane defaults
*every = ABS(*after);
// now we may have optional parameters
while(*s) {
key = s;
while(*s && !isspace(*s)) s++;
while(*s && isspace(*s)) *s++ = '\0';
if(!*key) break;
if(!strcasecmp(key, "at")) {
char *value = s;
while(*s && !isspace(*s)) s++;
while(*s && isspace(*s)) *s++ = '\0';
if (!config_parse_duration(value, before)) {
error("Health configuration at line %zu of file '%s': invalid duration '%s' for '%s' keyword",
line, filename, value, key);
}
}
else if(!strcasecmp(key, HEALTH_EVERY_KEY)) {
char *value = s;
while(*s && !isspace(*s)) s++;
while(*s && isspace(*s)) *s++ = '\0';
if (!config_parse_duration(value, every)) {
error("Health configuration at line %zu of file '%s': invalid duration '%s' for '%s' keyword",
line, filename, value, key);
}
}
else if(!strcasecmp(key, "absolute") || !strcasecmp(key, "abs") || !strcasecmp(key, "absolute_sum")) {
*options |= RRDR_OPTION_ABSOLUTE;
}
else if(!strcasecmp(key, "min2max")) {
*options |= RRDR_OPTION_MIN2MAX;
}
else if(!strcasecmp(key, "null2zero")) {
*options |= RRDR_OPTION_NULL2ZERO;
}
else if(!strcasecmp(key, "percentage")) {
*options |= RRDR_OPTION_PERCENTAGE;
}
else if(!strcasecmp(key, "unaligned")) {
*options |= RRDR_OPTION_NOT_ALIGNED;
}
else if(!strcasecmp(key, "anomaly-bit")) {
*options |= RRDR_OPTION_ANOMALY_BIT;
}
else if(!strcasecmp(key, "match-ids") || !strcasecmp(key, "match_ids")) {
*options |= RRDR_OPTION_MATCH_IDS;
}
else if(!strcasecmp(key, "match-names") || !strcasecmp(key, "match_names")) {
*options |= RRDR_OPTION_MATCH_NAMES;
}
else if(!strcasecmp(key, "of")) {
char *find = NULL;
if(*s && strcasecmp(s, "all") != 0) {
find = strcasestr(s, " foreach");
if(find) {
*find = '\0';
}
*dimensions = string_strdupz(s);
}
if(!find) {
break;
}
s = ++find;
}
else if(!strcasecmp(key, HEALTH_FOREACH_KEY )) {
*foreachdim = string_strdupz(s);
break;
}
else {
error("Health configuration at line %zu of file '%s': unknown keyword '%s'",
line, filename, key);
}
}
return 1;
}
static inline STRING *health_source_file(size_t line, const char *file) {
char buffer[FILENAME_MAX + 1];
snprintfz(buffer, FILENAME_MAX, "%zu@%s", line, file);
return string_strdupz(buffer);
}
char *health_edit_command_from_source(const char *source)
{
char buffer[FILENAME_MAX + 1];
char *temp = strdupz(source);
char *line_num = strchr(temp, '@');
char *file_no_path = strrchr(temp, '/');
if (likely(file_no_path && line_num)) {
*line_num = '\0';
snprintfz(
buffer,
FILENAME_MAX,
"sudo %s/edit-config health.d/%s=%s=%s",
netdata_configured_user_config_dir,
file_no_path + 1,
temp,
rrdhost_registry_hostname(localhost));
} else
buffer[0] = '\0';
freez(temp);
return strdupz(buffer);
}
static inline void strip_quotes(char *s) {
while(*s) {
if(*s == '\'' || *s == '"') *s = ' ';
s++;
}
}
static inline void alert_config_free(struct alert_config *cfg)
{
string_freez(cfg->alarm);
string_freez(cfg->template_key);
string_freez(cfg->os);
string_freez(cfg->host);
string_freez(cfg->on);
string_freez(cfg->families);
string_freez(cfg->plugin);
string_freez(cfg->module);
string_freez(cfg->charts);
string_freez(cfg->lookup);
string_freez(cfg->calc);
string_freez(cfg->warn);
string_freez(cfg->crit);
string_freez(cfg->every);
string_freez(cfg->green);
string_freez(cfg->red);
string_freez(cfg->exec);
string_freez(cfg->to);
string_freez(cfg->units);
string_freez(cfg->info);
string_freez(cfg->classification);
string_freez(cfg->component);
string_freez(cfg->type);
string_freez(cfg->delay);
string_freez(cfg->options);
string_freez(cfg->repeat);
string_freez(cfg->host_labels);
string_freez(cfg->p_db_lookup_dimensions);
string_freez(cfg->p_db_lookup_method);
freez(cfg);
}
int sql_store_hashes = 1;
static int health_readfile(const char *filename, void *data) {
RRDHOST *host = (RRDHOST *)data;
debug(D_HEALTH, "Health configuration reading file '%s'", filename);
static uint32_t
hash_alarm = 0,
hash_template = 0,
hash_os = 0,
hash_on = 0,
hash_host = 0,
hash_families = 0,
hash_plugin = 0,
hash_module = 0,
hash_charts = 0,
hash_calc = 0,
hash_green = 0,
hash_red = 0,
hash_warn = 0,
hash_crit = 0,
hash_exec = 0,
hash_every = 0,
hash_lookup = 0,
hash_units = 0,
hash_info = 0,
hash_class = 0,
hash_component = 0,
hash_type = 0,
hash_recipient = 0,
hash_delay = 0,
hash_options = 0,
hash_repeat = 0,
hash_host_label = 0;
char buffer[HEALTH_CONF_MAX_LINE + 1];
if(unlikely(!hash_alarm)) {
hash_alarm = simple_uhash(HEALTH_ALARM_KEY);
hash_template = simple_uhash(HEALTH_TEMPLATE_KEY);
hash_on = simple_uhash(HEALTH_ON_KEY);
hash_os = simple_uhash(HEALTH_OS_KEY);
hash_host = simple_uhash(HEALTH_HOST_KEY);
hash_families = simple_uhash(HEALTH_FAMILIES_KEY);
hash_plugin = simple_uhash(HEALTH_PLUGIN_KEY);
hash_module = simple_uhash(HEALTH_MODULE_KEY);
hash_charts = simple_uhash(HEALTH_CHARTS_KEY);
hash_calc = simple_uhash(HEALTH_CALC_KEY);
hash_lookup = simple_uhash(HEALTH_LOOKUP_KEY);
hash_green = simple_uhash(HEALTH_GREEN_KEY);
hash_red = simple_uhash(HEALTH_RED_KEY);
hash_warn = simple_uhash(HEALTH_WARN_KEY);
hash_crit = simple_uhash(HEALTH_CRIT_KEY);
hash_exec = simple_uhash(HEALTH_EXEC_KEY);
hash_every = simple_uhash(HEALTH_EVERY_KEY);
hash_units = simple_hash(HEALTH_UNITS_KEY);
hash_info = simple_hash(HEALTH_INFO_KEY);
hash_class = simple_uhash(HEALTH_CLASS_KEY);
hash_component = simple_uhash(HEALTH_COMPONENT_KEY);
hash_type = simple_uhash(HEALTH_TYPE_KEY);
hash_recipient = simple_hash(HEALTH_RECIPIENT_KEY);
hash_delay = simple_uhash(HEALTH_DELAY_KEY);
hash_options = simple_uhash(HEALTH_OPTIONS_KEY);
hash_repeat = simple_uhash(HEALTH_REPEAT_KEY);
hash_host_label = simple_uhash(HEALTH_HOST_LABEL_KEY);
}
FILE *fp = fopen(filename, "r");
if(!fp) {
error("Health configuration cannot read file '%s'.", filename);
return 0;
}
RRDCALC *rc = NULL;
RRDCALCTEMPLATE *rt = NULL;
struct alert_config *alert_cfg = NULL;
int ignore_this = 0;
size_t line = 0, append = 0;
char *s;
while((s = fgets(&buffer[append], (int)(HEALTH_CONF_MAX_LINE - append), fp)) || append) {
int stop_appending = !s;
line++;
s = trim(buffer);
if(!s || *s == '#') continue;
append = strlen(s);
if(!stop_appending && s[append - 1] == '\\') {
s[append - 1] = ' ';
append = &s[append] - buffer;
if(append < HEALTH_CONF_MAX_LINE)
continue;
else {
error("Health configuration has too long multi-line at line %zu of file '%s'.", line, filename);
}
}
append = 0;
char *key = s;
while(*s && *s != ':') s++;
if(!*s) {
error("Health configuration has invalid line %zu of file '%s'. It does not contain a ':'. Ignoring it.", line, filename);
continue;
}
*s = '\0';
s++;
char *value = s;
key = trim_all(key);
value = trim_all(value);
if(!key) {
error("Health configuration has invalid line %zu of file '%s'. Keyword is empty. Ignoring it.", line, filename);
continue;
}
if(!value) {
error("Health configuration has invalid line %zu of file '%s'. value is empty. Ignoring it.", line, filename);
continue;
}
uint32_t hash = simple_uhash(key);
if(hash == hash_alarm && !strcasecmp(key, HEALTH_ALARM_KEY)) {
if(rc) {
if(!alert_hash_and_store_config(rc->config_hash_id, alert_cfg, sql_store_hashes) || ignore_this)
rrdcalc_free_unused_rrdcalc_loaded_from_config(rc);
else
rrdcalc_add_from_config(host, rc);
// health_add_alarms_loop(host, rc, ignore_this) ;
}
if(rt) {
if(!alert_hash_and_store_config(rt->config_hash_id, alert_cfg, sql_store_hashes) || ignore_this)
rrdcalctemplate_free_unused_rrdcalctemplate_loaded_from_config(rt);
else
rrdcalctemplate_add_from_config(host, rt);
rt = NULL;
}
rc = callocz(1, sizeof(RRDCALC));
rc->next_event_id = 1;
{
char *tmp = strdupz(value);
if(rrdvar_fix_name(tmp))
error("Health configuration renamed alarm '%s' to '%s'", value, tmp);
rc->name = string_strdupz(tmp);
freez(tmp);
}
rc->source = health_source_file(line, filename);
rc->green = NAN;
rc->red = NAN;
rc->value = NAN;
rc->old_value = NAN;
rc->delay_multiplier = 1.0;
rc->old_status = RRDCALC_STATUS_UNINITIALIZED;
rc->warn_repeat_every = host->health_default_warn_repeat_every;
rc->crit_repeat_every = host->health_default_crit_repeat_every;
if (alert_cfg)
alert_config_free(alert_cfg);
alert_cfg = callocz(1, sizeof(struct alert_config));
alert_cfg->alarm = string_dup(rc->name);
ignore_this = 0;
}
else if(hash == hash_template && !strcasecmp(key, HEALTH_TEMPLATE_KEY)) {
if(rc) {
// health_add_alarms_loop(host, rc, ignore_this) ;
if(!alert_hash_and_store_config(rc->config_hash_id, alert_cfg, sql_store_hashes) || ignore_this)
rrdcalc_free_unused_rrdcalc_loaded_from_config(rc);
else
rrdcalc_add_from_config(host, rc);
rc = NULL;
}
if(rt) {
if(!alert_hash_and_store_config(rt->config_hash_id, alert_cfg, sql_store_hashes) || ignore_this)
rrdcalctemplate_free_unused_rrdcalctemplate_loaded_from_config(rt);
else
rrdcalctemplate_add_from_config(host, rt);
}
rt = callocz(1, sizeof(RRDCALCTEMPLATE));
{
char *tmp = strdupz(value);
if(rrdvar_fix_name(tmp))
error("Health configuration renamed template '%s' to '%s'", value, tmp);
rt->name = string_strdupz(tmp);
freez(tmp);
}
rt->source = health_source_file(line, filename);
rt->green = NAN;
rt->red = NAN;
rt->delay_multiplier = (float)1.0;
rt->warn_repeat_every = host->health_default_warn_repeat_every;
rt->crit_repeat_every = host->health_default_crit_repeat_every;
if (alert_cfg)
alert_config_free(alert_cfg);
alert_cfg = callocz(1, sizeof(struct alert_config));
alert_cfg->template_key = string_dup(rt->name);
ignore_this = 0;
}
else if(hash == hash_os && !strcasecmp(key, HEALTH_OS_KEY)) {
char *os_match = value;
if (alert_cfg) alert_cfg->os = string_strdupz(value);
SIMPLE_PATTERN *os_pattern = simple_pattern_create(os_match, NULL, SIMPLE_PATTERN_EXACT);
if(!simple_pattern_matches(os_pattern, rrdhost_os(host))) {
if(rc)
debug(D_HEALTH, "HEALTH on '%s' ignoring alarm '%s' defined at %zu@%s: host O/S does not match '%s'", rrdhost_hostname(host), rrdcalc_name(rc), line, filename, os_match);
if(rt)
debug(D_HEALTH, "HEALTH on '%s' ignoring template '%s' defined at %zu@%s: host O/S does not match '%s'", rrdhost_hostname(host), rrdcalctemplate_name(rt), line, filename, os_match);
ignore_this = 1;
}
simple_pattern_free(os_pattern);
}
else if(hash == hash_host && !strcasecmp(key, HEALTH_HOST_KEY)) {
char *host_match = value;
if (alert_cfg) alert_cfg->host = string_strdupz(value);
SIMPLE_PATTERN *host_pattern = simple_pattern_create(host_match, NULL, SIMPLE_PATTERN_EXACT);
if(!simple_pattern_matches(host_pattern, rrdhost_hostname(host))) {
if(rc)
debug(D_HEALTH, "HEALTH on '%s' ignoring alarm '%s' defined at %zu@%s: hostname does not match '%s'", rrdhost_hostname(host), rrdcalc_name(rc), line, filename, host_match);
if(rt)
debug(D_HEALTH, "HEALTH on '%s' ignoring template '%s' defined at %zu@%s: hostname does not match '%s'", rrdhost_hostname(host), rrdcalctemplate_name(rt), line, filename, host_match);
ignore_this = 1;
}
simple_pattern_free(host_pattern);
}
else if(rc) {
if(hash == hash_on && !strcasecmp(key, HEALTH_ON_KEY)) {
alert_cfg->on = string_strdupz(value);
if(rc->chart) {
if(strcmp(rrdcalc_chart_name(rc), value) != 0)
error("Health configuration at line %zu of file '%s' for alarm '%s' has key '%s' twice, once with value '%s' and later with value '%s'. Using ('%s').",
line, filename, rrdcalc_name(rc), key, rrdcalc_chart_name(rc), value, value);
string_freez(rc->chart);
}
rc->chart = string_strdupz(value);
}
else if(hash == hash_class && !strcasecmp(key, HEALTH_CLASS_KEY)) {
strip_quotes(value);
alert_cfg->classification = string_strdupz(value);
if(rc->classification) {
if(strcmp(rrdcalc_classification(rc), value) != 0)
error("Health configuration at line %zu of file '%s' for alarm '%s' has key '%s' twice, once with value '%s' and later with value '%s'. Using ('%s').",
line, filename, rrdcalc_name(rc), key, rrdcalc_classification(rc), value, value);
string_freez(rc->classification);
}
rc->classification = string_strdupz(value);
}
else if(hash == hash_component && !strcasecmp(key, HEALTH_COMPONENT_KEY)) {
strip_quotes(value);
alert_cfg->component = string_strdupz(value);
if(rc->component) {
if(strcmp(rrdcalc_component(rc), value) != 0)
error("Health configuration at line %zu of file '%s' for alarm '%s' has key '%s' twice, once with value '%s' and later with value '%s'. Using ('%s').",
line, filename, rrdcalc_name(rc), key, rrdcalc_component(rc), value, value);
string_freez(rc->component);
}
rc->component = string_strdupz(value);
}
else if(hash == hash_type && !strcasecmp(key, HEALTH_TYPE_KEY)) {
strip_quotes(value);
alert_cfg->type = string_strdupz(value);
if(rc->type) {
if(strcmp(rrdcalc_type(rc), value) != 0)
error("Health configuration at line %zu of file '%s' for alarm '%s' has key '%s' twice, once with value '%s' and later with value '%s'. Using ('%s').",
line, filename, rrdcalc_name(rc), key, rrdcalc_type(rc), value, value);
string_freez(rc->type);
}
rc->type = string_strdupz(value);
}
else if(hash == hash_lookup && !strcasecmp(key, HEALTH_LOOKUP_KEY)) {
alert_cfg->lookup = string_strdupz(value);
health_parse_db_lookup(line, filename, value, &rc->group, &rc->after, &rc->before,
&rc->update_every, &rc->options, &rc->dimensions, &rc->foreach_dimension);
if(rc->foreach_dimension)
rc->foreach_dimension_pattern = health_pattern_from_foreach(rrdcalc_foreachdim(rc));
if (rc->after) {
if (rc->dimensions)
alert_cfg->p_db_lookup_dimensions = string_dup(rc->dimensions);
if (rc->group)
alert_cfg->p_db_lookup_method = string_strdupz(group_method2string(rc->group));
alert_cfg->p_db_lookup_options = rc->options;
alert_cfg->p_db_lookup_after = rc->after;
alert_cfg->p_db_lookup_before = rc->before;
alert_cfg->p_update_every = rc->update_every;
}
}
else if(hash == hash_every && !strcasecmp(key, HEALTH_EVERY_KEY)) {
alert_cfg->every = string_strdupz(value);
if(!config_parse_duration(value, &rc->update_every))
error("Health configuration at line %zu of file '%s' for alarm '%s' at key '%s' cannot parse duration: '%s'.",
line, filename, rrdcalc_name(rc), key, value);
alert_cfg->p_update_every = rc->update_every;
}
else if(hash == hash_green && !strcasecmp(key, HEALTH_GREEN_KEY)) {
alert_cfg->green = string_strdupz(value);
char *e;
rc->green = str2ndd(value, &e);
if(e && *e) {
error("Health configuration at line %zu of file '%s' for alarm '%s' at key '%s' leaves this string unmatched: '%s'.",
line, filename, rrdcalc_name(rc), key, e);
}
}
else if(hash == hash_red && !strcasecmp(key, HEALTH_RED_KEY)) {
alert_cfg->red = string_strdupz(value);
char *e;
rc->red = str2ndd(value, &e);
if(e && *e) {
error("Health configuration at line %zu of file '%s' for alarm '%s' at key '%s' leaves this string unmatched: '%s'.",
line, filename, rrdcalc_name(rc), key, e);
}
}
else if(hash == hash_calc && !strcasecmp(key, HEALTH_CALC_KEY)) {
alert_cfg->calc = string_strdupz(value);
const char *failed_at = NULL;
int error = 0;
rc->calculation = expression_parse(value, &failed_at, &error);
if(!rc->calculation) {
error("Health configuration at line %zu of file '%s' for alarm '%s' at key '%s' has unparse-able expression '%s': %s at '%s'",
line, filename, rrdcalc_name(rc), key, value, expression_strerror(error), failed_at);
}
}
else if(hash == hash_warn && !strcasecmp(key, HEALTH_WARN_KEY)) {
alert_cfg->warn = string_strdupz(value);
const char *failed_at = NULL;
int error = 0;
rc->warning = expression_parse(value, &failed_at, &error);
if(!rc->warning) {
error("Health configuration at line %zu of file '%s' for alarm '%s' at key '%s' has unparse-able expression '%s': %s at '%s'",
line, filename, rrdcalc_name(rc), key, value, expression_strerror(error), failed_at);
}
}
else if(hash == hash_crit && !strcasecmp(key, HEALTH_CRIT_KEY)) {
alert_cfg->crit = string_strdupz(value);
const char *failed_at = NULL;
int error = 0;
rc->critical = expression_parse(value, &failed_at, &error);
if(!rc->critical) {
error("Health configuration at line %zu of file '%s' for alarm '%s' at key '%s' has unparse-able expression '%s': %s at '%s'",
line, filename, rrdcalc_name(rc), key, value, expression_strerror(error), failed_at);
}
}
else if(hash == hash_exec && !strcasecmp(key, HEALTH_EXEC_KEY)) {
alert_cfg->exec = string_strdupz(value);
if(rc->exec) {
if(strcmp(rrdcalc_exec(rc), value) != 0)
error("Health configuration at line %zu of file '%s' for alarm '%s' has key '%s' twice, once with value '%s' and later with value '%s'. Using ('%s').",
line, filename, rrdcalc_name(rc), key, rrdcalc_exec(rc), value, value);
string_freez(rc->exec);
}
rc->exec = string_strdupz(value);
}
else if(hash == hash_recipient && !strcasecmp(key, HEALTH_RECIPIENT_KEY)) {
alert_cfg->to = string_strdupz(value);
if(rc->recipient) {
if(strcmp(rrdcalc_recipient(rc), value) != 0)
error("Health configuration at line %zu of file '%s' for alarm '%s' has key '%s' twice, once with value '%s' and later with value '%s'. Using ('%s').",
line, filename, rrdcalc_name(rc), key, rrdcalc_recipient(rc), value, value);
string_freez(rc->recipient);
}
rc->recipient = string_strdupz(value);
}
else if(hash == hash_units && !strcasecmp(key, HEALTH_UNITS_KEY)) {
strip_quotes(value);
alert_cfg->units = string_strdupz(value);
if(rc->units) {
if(strcmp(rrdcalc_units(rc), value) != 0)
error("Health configuration at line %zu of file '%s' for alarm '%s' has key '%s' twice, once with value '%s' and later with value '%s'. Using ('%s').",
line, filename, rrdcalc_name(rc), key, rrdcalc_units(rc), value, value);
string_freez(rc->units);
}
rc->units = string_strdupz(value);
}
else if(hash == hash_info && !strcasecmp(key, HEALTH_INFO_KEY)) {
strip_quotes(value);
alert_cfg->info = string_strdupz(value);
if(rc->info) {
if(strcmp(rrdcalc_info(rc), value) != 0)
error("Health configuration at line %zu of file '%s' for alarm '%s' has key '%s' twice, once with value '%s' and later with value '%s'. Using ('%s').",
line, filename, rrdcalc_name(rc), key, rrdcalc_info(rc), value, value);
string_freez(rc->info);
string_freez(rc->original_info);
}
rc->info = string_strdupz(value);
rc->original_info = string_dup(rc->info);
}
else if(hash == hash_delay && !strcasecmp(key, HEALTH_DELAY_KEY)) {
alert_cfg->delay = string_strdupz(value);
health_parse_delay(line, filename, value, &rc->delay_up_duration, &rc->delay_down_duration, &rc->delay_max_duration, &rc->delay_multiplier);
}
else if(hash == hash_options && !strcasecmp(key, HEALTH_OPTIONS_KEY)) {
alert_cfg->options = string_strdupz(value);
rc->options |= health_parse_options(value);
}
else if(hash == hash_repeat && !strcasecmp(key, HEALTH_REPEAT_KEY)){
alert_cfg->repeat = string_strdupz(value);
health_parse_repeat(line, filename, value,
&rc->warn_repeat_every,
&rc->crit_repeat_every);
}
else if(hash == hash_host_label && !strcasecmp(key, HEALTH_HOST_LABEL_KEY)) {
alert_cfg->host_labels = string_strdupz(value);
if(rc->host_labels) {
if(strcmp(rrdcalc_host_labels(rc), value) != 0)
error("Health configuration at line %zu of file '%s' for alarm '%s' has key '%s' twice, once with value '%s' and later with value '%s'.",
line, filename, rrdcalc_name(rc), key, value, value);
string_freez(rc->host_labels);
simple_pattern_free(rc->host_labels_pattern);
}
{
char *tmp = simple_pattern_trim_around_equal(value);
rc->host_labels = string_strdupz(tmp);
freez(tmp);
}
rc->host_labels_pattern = simple_pattern_create(rrdcalc_host_labels(rc), NULL, SIMPLE_PATTERN_EXACT);
}
else if(hash == hash_plugin && !strcasecmp(key, HEALTH_PLUGIN_KEY)) {
alert_cfg->plugin = string_strdupz(value);
string_freez(rc->plugin_match);
simple_pattern_free(rc->plugin_pattern);
rc->plugin_match = string_strdupz(value);
rc->plugin_pattern = simple_pattern_create(rrdcalc_plugin_match(rc), NULL, SIMPLE_PATTERN_EXACT);
}
else if(hash == hash_module && !strcasecmp(key, HEALTH_MODULE_KEY)) {
alert_cfg->module = string_strdupz(value);
string_freez(rc->module_match);
simple_pattern_free(rc->module_pattern);
rc->module_match = string_strdupz(value);
rc->module_pattern = simple_pattern_create(rrdcalc_module_match(rc), NULL, SIMPLE_PATTERN_EXACT);
}
else {
error("Health configuration at line %zu of file '%s' for alarm '%s' has unknown key '%s'.",
line, filename, rrdcalc_name(rc), key);
}
}
else if(rt) {
if(hash == hash_on && !strcasecmp(key, HEALTH_ON_KEY)) {
alert_cfg->on = string_strdupz(value);
if(rt->context) {
if(strcmp(string2str(rt->context), value) != 0)
error("Health configuration at line %zu of file '%s' for template '%s' has key '%s' twice, once with value '%s' and later with value '%s'. Using ('%s').",
line, filename, rrdcalctemplate_name(rt), key, string2str(rt->context), value, value);
string_freez(rt->context);
}
rt->context = string_strdupz(value);
}
else if(hash == hash_class && !strcasecmp(key, HEALTH_CLASS_KEY)) {
strip_quotes(value);
alert_cfg->classification = string_strdupz(value);
if(rt->classification) {
if(strcmp(rrdcalctemplate_classification(rt), value) != 0)
error("Health configuration at line %zu of file '%s' for alarm '%s' has key '%s' twice, once with value '%s' and later with value '%s'. Using ('%s').",
line, filename, rrdcalctemplate_name(rt), key, rrdcalctemplate_classification(rt), value, value);
string_freez(rt->classification);
}
rt->classification = string_strdupz(value);
}
else if(hash == hash_component && !strcasecmp(key, HEALTH_COMPONENT_KEY)) {
strip_quotes(value);
alert_cfg->component = string_strdupz(value);
if(rt->component) {
if(strcmp(rrdcalctemplate_component(rt), value) != 0)
error("Health configuration at line %zu of file '%s' for alarm '%s' has key '%s' twice, once with value '%s' and later with value '%s'. Using ('%s').",
line, filename, rrdcalctemplate_name(rt), key, rrdcalctemplate_component(rt), value, value);
string_freez(rt->component);
}
rt->component = string_strdupz(value);
}
else if(hash == hash_type && !strcasecmp(key, HEALTH_TYPE_KEY)) {
strip_quotes(value);
alert_cfg->type = string_strdupz(value);
if(rt->type) {
if(strcmp(rrdcalctemplate_type(rt), value) != 0)
error("Health configuration at line %zu of file '%s' for alarm '%s' has key '%s' twice, once with value '%s' and later with value '%s'. Using ('%s').",
line, filename, rrdcalctemplate_name(rt), key, rrdcalctemplate_type(rt), value, value);
string_freez(rt->type);
}
rt->type = string_strdupz(value);
}
else if(hash == hash_families && !strcasecmp(key, HEALTH_FAMILIES_KEY)) {
alert_cfg->families = string_strdupz(value);
string_freez(rt->family_match);
simple_pattern_free(rt->family_pattern);
rt->family_match = string_strdupz(value);
rt->family_pattern = simple_pattern_create(rrdcalctemplate_family_match(rt), NULL, SIMPLE_PATTERN_EXACT);
}
else if(hash == hash_plugin && !strcasecmp(key, HEALTH_PLUGIN_KEY)) {
alert_cfg->plugin = string_strdupz(value);
string_freez(rt->plugin_match);
simple_pattern_free(rt->plugin_pattern);
rt->plugin_match = string_strdupz(value);
rt->plugin_pattern = simple_pattern_create(rrdcalctemplate_plugin_match(rt), NULL, SIMPLE_PATTERN_EXACT);
}
else if(hash == hash_module && !strcasecmp(key, HEALTH_MODULE_KEY)) {
alert_cfg->module = string_strdupz(value);
string_freez(rt->module_match);
simple_pattern_free(rt->module_pattern);
rt->module_match = string_strdupz(value);
rt->module_pattern = simple_pattern_create(rrdcalctemplate_module_match(rt), NULL, SIMPLE_PATTERN_EXACT);
}
else if(hash == hash_charts && !strcasecmp(key, HEALTH_CHARTS_KEY)) {
alert_cfg->charts = string_strdupz(value);
string_freez(rt->charts_match);
simple_pattern_free(rt->charts_pattern);
rt->charts_match = string_strdupz(value);
rt->charts_pattern = simple_pattern_create(rrdcalctemplate_charts_match(rt), NULL, SIMPLE_PATTERN_EXACT);
}
else if(hash == hash_lookup && !strcasecmp(key, HEALTH_LOOKUP_KEY)) {
alert_cfg->lookup = string_strdupz(value);
health_parse_db_lookup(line, filename, value, &rt->group, &rt->after, &rt->before,
&rt->update_every, &rt->options, &rt->dimensions, &rt->foreach_dimension);
if(rt->foreach_dimension)
rt->foreach_dimension_pattern = health_pattern_from_foreach(rrdcalctemplate_foreachdim(rt));
if (rt->after) {
if (rt->dimensions)
alert_cfg->p_db_lookup_dimensions = string_dup(rt->dimensions);
if (rt->group)
alert_cfg->p_db_lookup_method = string_strdupz(group_method2string(rt->group));
alert_cfg->p_db_lookup_options = rt->options;
alert_cfg->p_db_lookup_after = rt->after;
alert_cfg->p_db_lookup_before = rt->before;
alert_cfg->p_update_every = rt->update_every;
}
}
else if(hash == hash_every && !strcasecmp(key, HEALTH_EVERY_KEY)) {
alert_cfg->every = string_strdupz(value);
if(!config_parse_duration(value, &rt->update_every))
error("Health configuration at line %zu of file '%s' for template '%s' at key '%s' cannot parse duration: '%s'.",
line, filename, rrdcalctemplate_name(rt), key, value);
alert_cfg->p_update_every = rt->update_every;
}
else if(hash == hash_green && !strcasecmp(key, HEALTH_GREEN_KEY)) {
alert_cfg->green = string_strdupz(value);
char *e;
rt->green = str2ndd(value, &e);
if(e && *e) {
error("Health configuration at line %zu of file '%s' for template '%s' at key '%s' leaves this string unmatched: '%s'.",
line, filename, rrdcalctemplate_name(rt), key, e);
}
}
else if(hash == hash_red && !strcasecmp(key, HEALTH_RED_KEY)) {
alert_cfg->red = string_strdupz(value);
char *e;
rt->red = str2ndd(value, &e);
if(e && *e) {
error("Health configuration at line %zu of file '%s' for template '%s' at key '%s' leaves this string unmatched: '%s'.",
line, filename, rrdcalctemplate_name(rt), key, e);
}
}
else if(hash == hash_calc && !strcasecmp(key, HEALTH_CALC_KEY)) {
alert_cfg->calc = string_strdupz(value);
const char *failed_at = NULL;
int error = 0;
rt->calculation = expression_parse(value, &failed_at, &error);
if(!rt->calculation) {
error("Health configuration at line %zu of file '%s' for template '%s' at key '%s' has unparse-able expression '%s': %s at '%s'",
line, filename, rrdcalctemplate_name(rt), key, value, expression_strerror(error), failed_at);
}
}
else if(hash == hash_warn && !strcasecmp(key, HEALTH_WARN_KEY)) {
alert_cfg->warn = string_strdupz(value);
const char *failed_at = NULL;
int error = 0;
rt->warning = expression_parse(value, &failed_at, &error);
if(!rt->warning) {
error("Health configuration at line %zu of file '%s' for template '%s' at key '%s' has unparse-able expression '%s': %s at '%s'",
line, filename, rrdcalctemplate_name(rt), key, value, expression_strerror(error), failed_at);
}
}
else if(hash == hash_crit && !strcasecmp(key, HEALTH_CRIT_KEY)) {
alert_cfg->crit = string_strdupz(value);
const char *failed_at = NULL;
int error = 0;
rt->critical = expression_parse(value, &failed_at, &error);
if(!rt->critical) {
error("Health configuration at line %zu of file '%s' for template '%s' at key '%s' has unparse-able expression '%s': %s at '%s'",
line, filename, rrdcalctemplate_name(rt), key, value, expression_strerror(error), failed_at);
}
}
else if(hash == hash_exec && !strcasecmp(key, HEALTH_EXEC_KEY)) {
alert_cfg->exec = string_strdupz(value);
if(rt->exec) {
if(strcmp(rrdcalctemplate_exec(rt), value) != 0)
error("Health configuration at line %zu of file '%s' for template '%s' has key '%s' twice, once with value '%s' and later with value '%s'. Using ('%s').",
line, filename, rrdcalctemplate_name(rt), key, rrdcalctemplate_exec(rt), value, value);
string_freez(rt->exec);
}
rt->exec = string_strdupz(value);
}
else if(hash == hash_recipient && !strcasecmp(key, HEALTH_RECIPIENT_KEY)) {
alert_cfg->to = string_strdupz(value);
if(rt->recipient) {
if(strcmp(rrdcalctemplate_recipient(rt), value) != 0)
error("Health configuration at line %zu of file '%s' for template '%s' has key '%s' twice, once with value '%s' and later with value '%s'. Using ('%s').",
line, filename, rrdcalctemplate_name(rt), key, rrdcalctemplate_recipient(rt), value, value);
string_freez(rt->recipient);
}
rt->recipient = string_strdupz(value);
}
else if(hash == hash_units && !strcasecmp(key, HEALTH_UNITS_KEY)) {
strip_quotes(value);
alert_cfg->units = string_strdupz(value);
if(rt->units) {
if(strcmp(rrdcalctemplate_units(rt), value) != 0)
error("Health configuration at line %zu of file '%s' for template '%s' has key '%s' twice, once with value '%s' and later with value '%s'. Using ('%s').",
line, filename, rrdcalctemplate_name(rt), key, rrdcalctemplate_units(rt), value, value);
string_freez(rt->units);
}
rt->units = string_strdupz(value);
}
else if(hash == hash_info && !strcasecmp(key, HEALTH_INFO_KEY)) {
strip_quotes(value);
alert_cfg->info = string_strdupz(value);
if(rt->info) {
if(strcmp(rrdcalctemplate_info(rt), value) != 0)
error("Health configuration at line %zu of file '%s' for template '%s' has key '%s' twice, once with value '%s' and later with value '%s'. Using ('%s').",
line, filename, rrdcalctemplate_name(rt), key, rrdcalctemplate_info(rt), value, value);
string_freez(rt->info);
}
rt->info = string_strdupz(value);
}
else if(hash == hash_delay && !strcasecmp(key, HEALTH_DELAY_KEY)) {
alert_cfg->delay = string_strdupz(value);
health_parse_delay(line, filename, value, &rt->delay_up_duration, &rt->delay_down_duration, &rt->delay_max_duration, &rt->delay_multiplier);
}
else if(hash == hash_options && !strcasecmp(key, HEALTH_OPTIONS_KEY)) {
alert_cfg->options = string_strdupz(value);
rt->options |= health_parse_options(value);
}
else if(hash == hash_repeat && !strcasecmp(key, HEALTH_REPEAT_KEY)){
alert_cfg->repeat = string_strdupz(value);
health_parse_repeat(line, filename, value,
&rt->warn_repeat_every,
&rt->crit_repeat_every);
}
else if(hash == hash_host_label && !strcasecmp(key, HEALTH_HOST_LABEL_KEY)) {
alert_cfg->host_labels = string_strdupz(value);
if(rt->host_labels) {
if(strcmp(rrdcalctemplate_host_labels(rt), value) != 0)
error("Health configuration at line %zu of file '%s' for template '%s' has key '%s' twice, once with value '%s' and later with value '%s'. Using ('%s').",
line, filename, rrdcalctemplate_name(rt), key, rrdcalctemplate_host_labels(rt), value, value);
string_freez(rt->host_labels);
simple_pattern_free(rt->host_labels_pattern);
}
{
char *tmp = simple_pattern_trim_around_equal(value);
rt->host_labels = string_strdupz(tmp);
freez(tmp);
}
rt->host_labels_pattern = simple_pattern_create(rrdcalctemplate_host_labels(rt), NULL, SIMPLE_PATTERN_EXACT);
}
else {
error("Health configuration at line %zu of file '%s' for template '%s' has unknown key '%s'.",
line, filename, rrdcalctemplate_name(rt), key);
}
}
else {
error("Health configuration at line %zu of file '%s' has unknown key '%s'. Expected either '" HEALTH_ALARM_KEY "' or '" HEALTH_TEMPLATE_KEY "'.",
line, filename, key);
}
}
if(rc) {
//health_add_alarms_loop(host, rc, ignore_this) ;
if(!alert_hash_and_store_config(rc->config_hash_id, alert_cfg, sql_store_hashes) || ignore_this)
rrdcalc_free_unused_rrdcalc_loaded_from_config(rc);
else
rrdcalc_add_from_config(host, rc);
}
if(rt) {
if(!alert_hash_and_store_config(rt->config_hash_id, alert_cfg, sql_store_hashes) || ignore_this)
rrdcalctemplate_free_unused_rrdcalctemplate_loaded_from_config(rt);
else
rrdcalctemplate_add_from_config(host, rt);
}
if (alert_cfg)
alert_config_free(alert_cfg);
fclose(fp);
return 1;
}
void sql_refresh_hashes(void)
{
sql_store_hashes = 1;
}
void health_readdir(RRDHOST *host, const char *user_path, const char *stock_path, const char *subpath) {
if(unlikely(!host->health_enabled)) {
debug(D_HEALTH, "CONFIG health is not enabled for host '%s'", rrdhost_hostname(host));
return;
}
int stock_enabled = (int)config_get_boolean(CONFIG_SECTION_HEALTH, "enable stock health configuration",
CONFIG_BOOLEAN_YES);
if (!stock_enabled) {
info("Netdata will not load stock alarms.");
stock_path = user_path;
}
recursive_config_double_dir_load(user_path, stock_path, subpath, health_readfile, (void *) host, 0);
sql_store_hashes = 0;
}
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