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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_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_DELAY_KEY "delay"
#define HEALTH_OPTIONS_KEY "options"
#define HEALTH_REPEAT_KEY "repeat"
static inline int rrdcalc_add_alarm_from_config(RRDHOST *host, RRDCALC *rc) {
if(!rc->chart) {
error("Health configuration for alarm '%s' does not have a chart", rc->name);
return 0;
}
if(!rc->update_every) {
error("Health configuration for alarm '%s.%s' has no frequency (parameter 'every'). Ignoring it.", rc->chart?rc->chart:"NOCHART", rc->name);
return 0;
}
if(!RRDCALC_HAS_DB_LOOKUP(rc) && !rc->calculation && !rc->warning && !rc->critical) {
error("Health configuration for alarm '%s.%s' is useless (no db lookup, no calculation, no warning and no critical expressions)", rc->chart?rc->chart:"NOCHART", rc->name);
return 0;
}
if (rrdcalc_exists(host, rc->chart, rc->name, rc->hash_chart, rc->hash))
return 0;
rc->id = rrdcalc_get_unique_id(host, rc->chart, rc->name, &rc->next_event_id);
debug(D_HEALTH, "Health configuration adding alarm '%s.%s' (%u): exec '%s', recipient '%s', green " CALCULATED_NUMBER_FORMAT_AUTO ", red " CALCULATED_NUMBER_FORMAT_AUTO ", lookup: group %d, after %d, before %d, options %u, dimensions '%s', update every %d, calculation '%s', warning '%s', critical '%s', source '%s', delay up %d, delay down %d, delay max %d, delay_multiplier %f, warn_repeat_every %u, crit_repeat_every %u",
rc->chart?rc->chart:"NOCHART",
rc->name,
rc->id,
(rc->exec)?rc->exec:"DEFAULT",
(rc->recipient)?rc->recipient:"DEFAULT",
rc->green,
rc->red,
(int)rc->group,
rc->after,
rc->before,
rc->options,
(rc->dimensions)?rc->dimensions:"NONE",
rc->update_every,
(rc->calculation)?rc->calculation->parsed_as:"NONE",
(rc->warning)?rc->warning->parsed_as:"NONE",
(rc->critical)?rc->critical->parsed_as:"NONE",
rc->source,
rc->delay_up_duration,
rc->delay_down_duration,
rc->delay_max_duration,
rc->delay_multiplier,
rc->warn_repeat_every,
rc->crit_repeat_every
);
rrdcalc_add_to_host(host, rc);
return 1;
}
static inline int rrdcalctemplate_add_template_from_config(RRDHOST *host, RRDCALCTEMPLATE *rt) {
if(unlikely(!rt->context)) {
error("Health configuration for template '%s' does not have a context", rt->name);
return 0;
}
if(unlikely(!rt->update_every)) {
error("Health configuration for template '%s' has no frequency (parameter 'every'). Ignoring it.", rt->name);
return 0;
}
if(unlikely(!RRDCALCTEMPLATE_HAS_DB_LOOKUP(rt) && !rt->calculation && !rt->warning && !rt->critical)) {
error("Health configuration for template '%s' is useless (no calculation, no warning and no critical evaluation)", rt->name);
return 0;
}
RRDCALCTEMPLATE *t, *last = NULL;
for (t = host->templates; t ; last = t, t = t->next) {
if(unlikely(t->hash_name == rt->hash_name
&& !strcmp(t->name, rt->name)
&& !strcmp(t->family_match?t->family_match:"*", rt->family_match?rt->family_match:"*")
)) {
error("Health configuration template '%s' already exists for host '%s'.", rt->name, host->hostname);
return 0;
}
}
debug(D_HEALTH, "Health configuration adding template '%s': context '%s', exec '%s', recipient '%s', green " CALCULATED_NUMBER_FORMAT_AUTO ", red " CALCULATED_NUMBER_FORMAT_AUTO ", lookup: group %d, after %d, before %d, options %u, dimensions '%s', update every %d, calculation '%s', warning '%s', critical '%s', source '%s', delay up %d, delay down %d, delay max %d, delay_multiplier %f, warn_repeat_every %u, crit_repeat_every %u",
rt->name,
(rt->context)?rt->context:"NONE",
(rt->exec)?rt->exec:"DEFAULT",
(rt->recipient)?rt->recipient:"DEFAULT",
rt->green,
rt->red,
(int)rt->group,
rt->after,
rt->before,
rt->options,
(rt->dimensions)?rt->dimensions:"NONE",
rt->update_every,
(rt->calculation)?rt->calculation->parsed_as:"NONE",
(rt->warning)?rt->warning->parsed_as:"NONE",
(rt->critical)?rt->critical->parsed_as:"NONE",
rt->source,
rt->delay_up_duration,
rt->delay_down_duration,
rt->delay_max_duration,
rt->delay_multiplier,
rt->warn_repeat_every,
rt->crit_repeat_every
);
if(likely(last)) {
last->next = rt;
}
else {
rt->next = host->templates;
host->templates = rt;
}
return 1;
}
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_FLAG_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;
}
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,
uint32_t *options, char **dimensions
) {
debug(D_HEALTH, "Health configuration parsing database lookup %zu@%s: %s", line, filename, string);
if(*dimensions) freez(*dimensions);
*dimensions = NULL;
*after = 0;
*before = 0;
*every = 0;
*options = 0;
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, "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")) {
if(*s && strcasecmp(s, "all") != 0)
*dimensions = strdupz(s);
break;
}
else {
error("Health configuration at line %zu of file '%s': unknown keyword '%s'",
line, filename, key);
}
}
return 1;
}
static inline char *health_source_file(size_t line, const char *file) {
char buffer[FILENAME_MAX + 1];
snprintfz(buffer, FILENAME_MAX, "%zu@%s", line, file);
return strdupz(buffer);
}
static inline void strip_quotes(char *s) {
while(*s) {
if(*s == '\'' || *s == '"') *s = ' ';
s++;
}
}
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_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_recipient = 0,
hash_delay = 0,
hash_options = 0,
hash_repeat = 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_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_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);
}
FILE *fp = fopen(filename, "r");
if(!fp) {
error("Health configuration cannot read file '%s'.", filename);
return 0;
}
RRDCALC *rc = NULL;
RRDCALCTEMPLATE *rt = 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 && (ignore_this || !rrdcalc_add_alarm_from_config(host, rc)))
rrdcalc_free(rc);
if(rt) {
if (ignore_this || !rrdcalctemplate_add_template_from_config(host, rt))
rrdcalctemplate_free(rt);
rt = NULL;
}
rc = callocz(1, sizeof(RRDCALC));
rc->next_event_id = 1;
rc->name = strdupz(value);
rc->hash = simple_hash(rc->name);
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(rrdvar_fix_name(rc->name))
error("Health configuration renamed alarm '%s' to '%s'", value, rc->name);
ignore_this = 0;
}
else if(hash == hash_template && !strcasecmp(key, HEALTH_TEMPLATE_KEY)) {
if(rc) {
if(ignore_this || !rrdcalc_add_alarm_from_config(host, rc))
rrdcalc_free(rc);
rc = NULL;
}
if(rt && (ignore_this || !rrdcalctemplate_add_template_from_config(host, rt)))
rrdcalctemplate_free(rt);
rt = callocz(1, sizeof(RRDCALCTEMPLATE));
rt->name = strdupz(value);
rt->hash_name = simple_hash(rt->name);
rt->source = health_source_file(line, filename);
rt->green = NAN;
rt->red = NAN;
rt->delay_multiplier = 1.0;
rt->warn_repeat_every = host->health_default_warn_repeat_every;
rt->crit_repeat_every = host->health_default_crit_repeat_every;
if(rrdvar_fix_name(rt->name))
error("Health configuration renamed template '%s' to '%s'", value, rt->name);
ignore_this = 0;
}
else if(hash == hash_os && !strcasecmp(key, HEALTH_OS_KEY)) {
char *os_match = value;
SIMPLE_PATTERN *os_pattern = simple_pattern_create(os_match, NULL, SIMPLE_PATTERN_EXACT);
if(!simple_pattern_matches(os_pattern, host->os)) {
if(rc)
debug(D_HEALTH, "HEALTH on '%s' ignoring alarm '%s' defined at %zu@%s: host O/S does not match '%s'", host->hostname, rc->name, 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'", host->hostname, rt->name, 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;
SIMPLE_PATTERN *host_pattern = simple_pattern_create(host_match, NULL, SIMPLE_PATTERN_EXACT);
if(!simple_pattern_matches(host_pattern, host->hostname)) {
if(rc)
debug(D_HEALTH, "HEALTH on '%s' ignoring alarm '%s' defined at %zu@%s: hostname does not match '%s'", host->hostname, rc->name, line, filename, host_match);
if(rt)
debug(D_HEALTH, "HEALTH on '%s' ignoring template '%s' defined at %zu@%s: hostname does not match '%s'", host->hostname, rt->name, line, filename, host_match);
ignore_this = 1;
}
simple_pattern_free(host_pattern);
}
else if(rc) {
if(hash == hash_on && !strcasecmp(key, HEALTH_ON_KEY)) {
if(rc->chart) {
if(strcmp(rc->chart, 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, rc->name, key, rc->chart, value, value);
freez(rc->chart);
}
rc->chart = strdupz(value);
rc->hash_chart = simple_hash(rc->chart);
}
else if(hash == hash_lookup && !strcasecmp(key, HEALTH_LOOKUP_KEY)) {
health_parse_db_lookup(line, filename, value, &rc->group, &rc->after, &rc->before,
&rc->update_every,
&rc->options, &rc->dimensions);
}
else if(hash == hash_every && !strcasecmp(key, HEALTH_EVERY_KEY)) {
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, rc->name, key, value);
}
else if(hash == hash_green && !strcasecmp(key, HEALTH_GREEN_KEY)) {
char *e;
rc->green = str2ld(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, rc->name, key, e);
}
}
else if(hash == hash_red && !strcasecmp(key, HEALTH_RED_KEY)) {
char *e;
rc->red = str2ld(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, rc->name, key, e);
}
}
else if(hash == hash_calc && !strcasecmp(key, HEALTH_CALC_KEY)) {
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, rc->name, key, value, expression_strerror(error), failed_at);
}
}
else if(hash == hash_warn && !strcasecmp(key, HEALTH_WARN_KEY)) {
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, rc->name, key, value, expression_strerror(error), failed_at);
}
}
else if(hash == hash_crit && !strcasecmp(key, HEALTH_CRIT_KEY)) {
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, rc->name, key, value, expression_strerror(error), failed_at);
}
}
else if(hash == hash_exec && !strcasecmp(key, HEALTH_EXEC_KEY)) {
if(rc->exec) {
if(strcmp(rc->exec, 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, rc->name, key, rc->exec, value, value);
freez(rc->exec);
}
rc->exec = strdupz(value);
}
else if(hash == hash_recipient && !strcasecmp(key, HEALTH_RECIPIENT_KEY)) {
if(rc->recipient) {
if(strcmp(rc->recipient, 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, rc->name, key, rc->recipient, value, value);
freez(rc->recipient);
}
rc->recipient = strdupz(value);
}
else if(hash == hash_units && !strcasecmp(key, HEALTH_UNITS_KEY)) {
if(rc->units) {
if(strcmp(rc->units, 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, rc->name, key, rc->units, value, value);
freez(rc->units);
}
rc->units = strdupz(value);
strip_quotes(rc->units);
}
else if(hash == hash_info && !strcasecmp(key, HEALTH_INFO_KEY)) {
if(rc->info) {
if(strcmp(rc->info, 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, rc->name, key, rc->info, value, value);
freez(rc->info);
}
rc->info = strdupz(value);
strip_quotes(rc->info);
}
else if(hash == hash_delay && !strcasecmp(key, HEALTH_DELAY_KEY)) {
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)) {
rc->options |= health_parse_options(value);
}
else if(hash == hash_repeat && !strcasecmp(key, HEALTH_REPEAT_KEY)){
health_parse_repeat(line, filename, value,
&rc->warn_repeat_every,
&rc->crit_repeat_every);
}
else {
error("Health configuration at line %zu of file '%s' for alarm '%s' has unknown key '%s'.",
line, filename, rc->name, key);
}
}
else if(rt) {
if(hash == hash_on && !strcasecmp(key, HEALTH_ON_KEY)) {
if(rt->context) {
if(strcmp(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, rt->name, key, rt->context, value, value);
freez(rt->context);
}
rt->context = strdupz(value);
rt->hash_context = simple_hash(rt->context);
}
else if(hash == hash_families && !strcasecmp(key, HEALTH_FAMILIES_KEY)) {
freez(rt->family_match);
simple_pattern_free(rt->family_pattern);
rt->family_match = strdupz(value);
rt->family_pattern = simple_pattern_create(rt->family_match, NULL, SIMPLE_PATTERN_EXACT);
}
else if(hash == hash_lookup && !strcasecmp(key, HEALTH_LOOKUP_KEY)) {
health_parse_db_lookup(line, filename, value, &rt->group, &rt->after, &rt->before,
&rt->update_every, &rt->options, &rt->dimensions);
}
else if(hash == hash_every && !strcasecmp(key, HEALTH_EVERY_KEY)) {
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, rt->name, key, value);
}
else if(hash == hash_green && !strcasecmp(key, HEALTH_GREEN_KEY)) {
char *e;
rt->green = str2ld(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, rt->name, key, e);
}
}
else if(hash == hash_red && !strcasecmp(key, HEALTH_RED_KEY)) {
char *e;
rt->red = str2ld(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, rt->name, key, e);
}
}
else if(hash == hash_calc && !strcasecmp(key, HEALTH_CALC_KEY)) {
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, rt->name, key, value, expression_strerror(error), failed_at);
}
}
else if(hash == hash_warn && !strcasecmp(key, HEALTH_WARN_KEY)) {
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, rt->name, key, value, expression_strerror(error), failed_at);
}
}
else if(hash == hash_crit && !strcasecmp(key, HEALTH_CRIT_KEY)) {
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, rt->name, key, value, expression_strerror(error), failed_at);
}
}
else if(hash == hash_exec && !strcasecmp(key, HEALTH_EXEC_KEY)) {
if(rt->exec) {
if(strcmp(rt->exec, 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, rt->name, key, rt->exec, value, value);
freez(rt->exec);
}
rt->exec = strdupz(value);
}
else if(hash == hash_recipient && !strcasecmp(key, HEALTH_RECIPIENT_KEY)) {
if(rt->recipient) {
if(strcmp(rt->recipient, 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, rt->name, key, rt->recipient, value, value);
freez(rt->recipient);
}
rt->recipient = strdupz(value);
}
else if(hash == hash_units && !strcasecmp(key, HEALTH_UNITS_KEY)) {
if(rt->units) {
if(strcmp(rt->units, 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, rt->name, key, rt->units, value, value);
freez(rt->units);
}
rt->units = strdupz(value);
strip_quotes(rt->units);
}
else if(hash == hash_info && !strcasecmp(key, HEALTH_INFO_KEY)) {
if(rt->info) {
if(strcmp(rt->info, 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, rt->name, key, rt->info, value, value);
freez(rt->info);
}
rt->info = strdupz(value);
strip_quotes(rt->info);
}
else if(hash == hash_delay && !strcasecmp(key, HEALTH_DELAY_KEY)) {
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)) {
rt->options |= health_parse_options(value);
}
else if(hash == hash_repeat && !strcasecmp(key, HEALTH_REPEAT_KEY)){
health_parse_repeat(line, filename, value,
&rt->warn_repeat_every,
&rt->crit_repeat_every);
}
else {
error("Health configuration at line %zu of file '%s' for template '%s' has unknown key '%s'.",
line, filename, rt->name, 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 && (ignore_this || !rrdcalc_add_alarm_from_config(host, rc)))
rrdcalc_free(rc);
if(rt && (ignore_this || !rrdcalctemplate_add_template_from_config(host, rt)))
rrdcalctemplate_free(rt);
fclose(fp);
return 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'", host->hostname);
return;
}
recursive_config_double_dir_load(user_path, stock_path, subpath, health_readfile, (void *) host, 0);
}
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