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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 11:08:07 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 11:08:07 +0000
commitc69cb8cc094cc916adbc516b09e944cd3d137c01 (patch)
treef2878ec41fb6d0e3613906c6722fc02b934eeb80 /health/health_config.c
parentInitial commit. (diff)
downloadnetdata-c69cb8cc094cc916adbc516b09e944cd3d137c01.tar.xz
netdata-c69cb8cc094cc916adbc516b09e944cd3d137c01.zip
Adding upstream version 1.29.3.upstream/1.29.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--health/health_config.c1035
1 files changed, 1035 insertions, 0 deletions
diff --git a/health/health_config.c b/health/health_config.c
new file mode 100644
index 0000000..1acf369
--- /dev/null
+++ b/health/health_config.c
@@ -0,0 +1,1035 @@
+// 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_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"
+#define HEALTH_HOST_LABEL_KEY "host labels"
+
+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', for each dimension '%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->foreachdim)?rc->foreachdim:"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;
+ if(!rt->foreachdim) {
+ 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;
+ }
+ }
+
+ if(likely(last)) {
+ last->next = rt;
+ }
+ else {
+ rt->next = host->templates;
+ host->templates = rt;
+ }
+ } else {
+ for (t = host->alarms_template_with_foreach; 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;
+ }
+ }
+
+ if(likely(last)) {
+ last->next = rt;
+ }
+ else {
+ rt->next = host->alarms_template_with_foreach;
+ host->alarms_template_with_foreach = rt;
+ }
+ }
+
+ 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', for each dimension '%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->foreachdim)?rt->foreachdim:"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
+ );
+
+
+ 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;
+}
+
+/**
+ * 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.
+ */
+SIMPLE_PATTERN *health_pattern_from_foreach(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,
+ uint32_t *options, char **dimensions, char **foreachdim
+) {
+ debug(D_HEALTH, "Health configuration parsing database lookup %zu@%s: %s", line, filename, string);
+
+ if(*dimensions) freez(*dimensions);
+ if(*foreachdim) freez(*foreachdim);
+ *dimensions = NULL;
+ *foreachdim = 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")) {
+ char *find = NULL;
+ if(*s && strcasecmp(s, "all") != 0) {
+ find = strcasestr(s, " foreach");
+ if(find) {
+ *find = '\0';
+ }
+ *dimensions = strdupz(s);
+ }
+
+ if(!find) {
+ break;
+ }
+ s = ++find;
+ }
+ else if(!strcasecmp(key, HEALTH_FOREACH_KEY )) {
+ *foreachdim = 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_plugin = 0,
+ hash_module = 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,
+ 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_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);
+ 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;
+
+ 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(ignore_this || !rrdcalc_add_alarm_from_config(host, rc)) {
+ rrdcalc_free(rc);
+ }
+ // health_add_alarms_loop(host, rc, ignore_this) ;
+ }
+
+ 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) {
+// health_add_alarms_loop(host, rc, ignore_this) ;
+ if(ignore_this || !rrdcalc_add_alarm_from_config(host, rc)) {
+ rrdcalc_free(rc);
+ }
+
+ rc = NULL;
+ }
+
+ if(rt) {
+ if(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, &rc->foreachdim);
+ if(rc->foreachdim) {
+ rc->spdim = health_pattern_from_foreach(rc->foreachdim);
+ }
+ }
+ 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 if(hash == hash_host_label && !strcasecmp(key, HEALTH_HOST_LABEL_KEY)) {
+ if(rc->labels) {
+ if(strcmp(rc->labels, 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, rc->name, key, value, value);
+
+ freez(rc->labels);
+ simple_pattern_free(rc->splabels);
+ }
+
+ rc->labels = simple_pattern_trim_around_equal(value);
+ rc->splabels = simple_pattern_create(rc->labels, NULL, SIMPLE_PATTERN_EXACT);
+ }
+ else if(hash == hash_plugin && !strcasecmp(key, HEALTH_PLUGIN_KEY)) {
+ freez(rc->plugin_match);
+ simple_pattern_free(rc->plugin_pattern);
+
+ rc->plugin_match = strdupz(value);
+ rc->plugin_pattern = simple_pattern_create(rc->plugin_match, NULL, SIMPLE_PATTERN_EXACT);
+ }
+ else if(hash == hash_module && !strcasecmp(key, HEALTH_MODULE_KEY)) {
+ freez(rc->module_match);
+ simple_pattern_free(rc->module_pattern);
+
+ rc->module_match = strdupz(value);
+ rc->module_pattern = simple_pattern_create(rc->module_match, NULL, SIMPLE_PATTERN_EXACT);
+ }
+ 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_plugin && !strcasecmp(key, HEALTH_PLUGIN_KEY)) {
+ freez(rt->plugin_match);
+ simple_pattern_free(rt->plugin_pattern);
+
+ rt->plugin_match = strdupz(value);
+ rt->plugin_pattern = simple_pattern_create(rt->plugin_match, NULL, SIMPLE_PATTERN_EXACT);
+ }
+ else if(hash == hash_module && !strcasecmp(key, HEALTH_MODULE_KEY)) {
+ freez(rt->module_match);
+ simple_pattern_free(rt->module_pattern);
+
+ rt->module_match = strdupz(value);
+ rt->module_pattern = simple_pattern_create(rt->module_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, &rt->foreachdim);
+ if(rt->foreachdim) {
+ rt->spdim = health_pattern_from_foreach(rt->foreachdim);
+ }
+ }
+ 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 if(hash == hash_host_label && !strcasecmp(key, HEALTH_HOST_LABEL_KEY)) {
+ if(rt->labels) {
+ if(strcmp(rt->labels, 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->labels, value, value);
+
+ freez(rt->labels);
+ simple_pattern_free(rt->splabels);
+ }
+
+ rt->labels = simple_pattern_trim_around_equal(value);
+ rt->splabels = simple_pattern_create(rt->labels, NULL, SIMPLE_PATTERN_EXACT);
+ }
+ 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) {
+ //health_add_alarms_loop(host, rc, ignore_this) ;
+ if(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);
+ }
+
+ 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;
+ }
+
+ 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);
+}