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9493fa8682
* remove loading and storing families from alert configs * remove families from silencers * remove from alarm log * start remove from alarm-notify.sh.in * fix test alarm * rebase * remove from api/v1/alarm_log * remove from alert stream * remove from config stream * remove from more * remove from swagger for health api * revert md changes * remove from health cmd api test
272 lines
11 KiB
C
272 lines
11 KiB
C
// SPDX-License-Identifier: GPL-3.0-or-later
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#include "rrd.h"
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#ifndef NETDATA_RRDCALC_H
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#define NETDATA_RRDCALC_H 1
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// calculated variables (defined in health configuration)
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// These aggregate time-series data at fixed intervals
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// (defined in their update_every member below)
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// They increase the overhead of netdata.
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//
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// These calculations are stored under RRDHOST.
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// Then are also linked to RRDSET (of course only when a
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// matching chart is found).
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typedef enum {
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RRDCALC_FLAG_DB_ERROR = (1 << 0),
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RRDCALC_FLAG_DB_NAN = (1 << 1),
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// RRDCALC_FLAG_DB_STALE = (1 << 2),
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RRDCALC_FLAG_CALC_ERROR = (1 << 3),
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RRDCALC_FLAG_WARN_ERROR = (1 << 4),
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RRDCALC_FLAG_CRIT_ERROR = (1 << 5),
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RRDCALC_FLAG_RUNNABLE = (1 << 6),
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RRDCALC_FLAG_DISABLED = (1 << 7),
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RRDCALC_FLAG_SILENCED = (1 << 8),
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RRDCALC_FLAG_RUN_ONCE = (1 << 9),
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RRDCALC_FLAG_FROM_TEMPLATE = (1 << 10), // the rrdcalc has been created from a template
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} RRDCALC_FLAGS;
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void rrdcalc_flags_to_json_array(BUFFER *wb, const char *key, RRDCALC_FLAGS flags);
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typedef enum {
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// This list uses several other options from RRDR_OPTIONS for db lookups.
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// To add an item here, you need to reserve a bit in RRDR_OPTIONS.
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RRDCALC_OPTION_NO_CLEAR_NOTIFICATION = RRDR_OPTION_HEALTH_RSRVD1,
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} RRDCALC_OPTIONS;
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#define RRDCALC_ALL_OPTIONS_EXCLUDING_THE_RRDR_ONES (RRDCALC_OPTION_NO_CLEAR_NOTIFICATION)
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struct rrdcalc {
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STRING *key; // the unique key in the host's rrdcalc_root_index
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uint32_t id; // the unique id of this alarm
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uint32_t next_event_id; // the next event id that will be used for this alarm
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uuid_t config_hash_id; // a predictable hash_id based on specific alert configuration
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STRING *name; // the name of this alarm
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STRING *chart; // the chart id this should be linked to
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STRING *exec; // the command to execute when this alarm switches state
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STRING *recipient; // the recipient of the alarm (the first parameter to exec)
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STRING *classification; // the class that this alarm belongs
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STRING *component; // the component that this alarm refers to
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STRING *type; // type of the alarm
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STRING *plugin_match; // the plugin name that should be linked to
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SIMPLE_PATTERN *plugin_pattern;
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STRING *module_match; // the module name that should be linked to
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SIMPLE_PATTERN *module_pattern;
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STRING *source; // the source of this alarm
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STRING *units; // the units of the alarm
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STRING *summary; // a short alert summary
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STRING *original_summary; // the original summary field before any variable replacement
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STRING *original_info; // the original info field before any variable replacement
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STRING *info; // a description of the alarm
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int update_every; // update frequency for the alarm
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// the red and green threshold of this alarm (to be set to the chart)
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NETDATA_DOUBLE green;
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NETDATA_DOUBLE red;
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// ------------------------------------------------------------------------
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// database lookup settings
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STRING *dimensions; // the chart dimensions
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STRING *foreach_dimension; // the group of dimensions that the `foreach` will be applied.
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SIMPLE_PATTERN *foreach_dimension_pattern; // used if and only if there is a simple pattern for the chart.
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RRDR_TIME_GROUPING group; // grouping method: average, max, etc.
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int before; // ending point in time-series
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int after; // starting point in time-series
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RRDCALC_OPTIONS options; // configuration options
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// ------------------------------------------------------------------------
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// expressions related to the alarm
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EVAL_EXPRESSION *calculation; // expression to calculate the value of the alarm
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EVAL_EXPRESSION *warning; // expression to check the warning condition
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EVAL_EXPRESSION *critical; // expression to check the critical condition
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// ------------------------------------------------------------------------
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// notification delay settings
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int delay_up_duration; // duration to delay notifications when alarm raises
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int delay_down_duration; // duration to delay notifications when alarm lowers
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int delay_max_duration; // the absolute max delay to apply to this alarm
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float delay_multiplier; // multiplier for all delays when alarms switch status
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// while now < delay_up_to
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// ------------------------------------------------------------------------
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// notification repeat settings
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uint32_t warn_repeat_every; // interval between repeating warning notifications
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uint32_t crit_repeat_every; // interval between repeating critical notifications
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// ------------------------------------------------------------------------
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// Labels settings
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STRING *host_labels; // the label read from an alarm file
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SIMPLE_PATTERN *host_labels_pattern; // the simple pattern of labels
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STRING *chart_labels; // the chart label read from an alarm file
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SIMPLE_PATTERN *chart_labels_pattern; // the simple pattern of chart labels
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// ------------------------------------------------------------------------
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// runtime information
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RRDCALC_STATUS old_status; // the old status of the alarm
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RRDCALC_STATUS status; // the current status of the alarm
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NETDATA_DOUBLE value; // the current value of the alarm
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NETDATA_DOUBLE old_value; // the previous value of the alarm
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NETDATA_DOUBLE last_status_change_value; // the value at the last status change
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RRDCALC_FLAGS run_flags; // check RRDCALC_FLAG_*
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time_t last_updated; // the last update timestamp of the alarm
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time_t next_update; // the next update timestamp of the alarm
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time_t last_status_change; // the timestamp of the last time this alarm changed status
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time_t last_repeat; // the last time the alarm got repeated
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uint32_t times_repeat; // number of times the alarm got repeated
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time_t db_after; // the first timestamp evaluated by the db lookup
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time_t db_before; // the last timestamp evaluated by the db lookup
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time_t delay_up_to_timestamp; // the timestamp up to which we should delay notifications
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int delay_up_current; // the current up notification delay duration
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int delay_down_current; // the current down notification delay duration
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int delay_last; // the last delay we used
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ALARM_ENTRY *ae; // last alarm entry
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// ------------------------------------------------------------------------
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// variables this alarm exposes to the rest of the alarms
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const RRDVAR_ACQUIRED *rrdvar_local;
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const RRDVAR_ACQUIRED *rrdvar_family;
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const RRDVAR_ACQUIRED *rrdvar_host_chart_id;
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const RRDVAR_ACQUIRED *rrdvar_host_chart_name;
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// ------------------------------------------------------------------------
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// the chart this alarm it is linked to
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size_t labels_version;
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struct rrdset *rrdset;
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struct rrdcalc *next;
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struct rrdcalc *prev;
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};
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#define rrdcalc_name(rc) string2str((rc)->name)
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#define rrdcalc_chart_name(rc) string2str((rc)->chart)
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#define rrdcalc_exec(rc) string2str((rc)->exec)
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#define rrdcalc_recipient(rc) string2str((rc)->recipient)
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#define rrdcalc_classification(rc) string2str((rc)->classification)
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#define rrdcalc_component(rc) string2str((rc)->component)
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#define rrdcalc_type(rc) string2str((rc)->type)
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#define rrdcalc_plugin_match(rc) string2str((rc)->plugin_match)
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#define rrdcalc_module_match(rc) string2str((rc)->module_match)
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#define rrdcalc_source(rc) string2str((rc)->source)
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#define rrdcalc_units(rc) string2str((rc)->units)
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#define rrdcalc_original_summary(rc) string2str((rc)->original_summary)
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#define rrdcalc_summary(rc) string2str((rc)->summary)
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#define rrdcalc_original_info(rc) string2str((rc)->original_info)
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#define rrdcalc_info(rc) string2str((rc)->info)
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#define rrdcalc_dimensions(rc) string2str((rc)->dimensions)
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#define rrdcalc_foreachdim(rc) string2str((rc)->foreach_dimension)
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#define rrdcalc_host_labels(rc) string2str((rc)->host_labels)
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#define rrdcalc_chart_labels(rc) string2str((rc)->chart_labels)
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#define foreach_rrdcalc_in_rrdhost_read(host, rc) \
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dfe_start_read((host)->rrdcalc_root_index, rc) \
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#define foreach_rrdcalc_in_rrdhost_reentrant(host, rc) \
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dfe_start_reentrant((host)->rrdcalc_root_index, rc)
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#define foreach_rrdcalc_in_rrdhost_done(rc) \
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dfe_done(rc)
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struct alert_config {
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STRING *alarm;
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STRING *template_key;
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STRING *os;
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STRING *host;
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STRING *on;
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STRING *plugin;
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STRING *module;
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STRING *charts;
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STRING *lookup;
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STRING *calc;
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STRING *warn;
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STRING *crit;
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STRING *every;
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STRING *green;
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STRING *red;
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STRING *exec;
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STRING *to;
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STRING *units;
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STRING *summary;
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STRING *info;
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STRING *classification;
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STRING *component;
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STRING *type;
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STRING *delay;
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STRING *options;
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STRING *repeat;
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STRING *host_labels;
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STRING *chart_labels;
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STRING *source;
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STRING *p_db_lookup_dimensions;
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STRING *p_db_lookup_method;
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uint32_t p_db_lookup_options;
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int32_t p_db_lookup_after;
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int32_t p_db_lookup_before;
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int32_t p_update_every;
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};
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#define RRDCALC_HAS_DB_LOOKUP(rc) ((rc)->after)
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void rrdcalc_update_info_using_rrdset_labels(RRDCALC *rc);
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void rrdcalc_link_matching_alerts_to_rrdset(RRDSET *st);
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const RRDCALC_ACQUIRED *rrdcalc_from_rrdset_get(RRDSET *st, const char *alert_name);
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void rrdcalc_from_rrdset_release(RRDSET *st, const RRDCALC_ACQUIRED *rca);
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RRDCALC *rrdcalc_acquired_to_rrdcalc(const RRDCALC_ACQUIRED *rca);
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const char *rrdcalc_status2string(RRDCALC_STATUS status);
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void rrdcalc_free_unused_rrdcalc_loaded_from_config(RRDCALC *rc);
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uint32_t rrdcalc_get_unique_id(RRDHOST *host, STRING *chart, STRING *name, uint32_t *next_event_id, uuid_t *config_hash_id);
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void rrdcalc_add_from_rrdcalctemplate(RRDHOST *host, RRDCALCTEMPLATE *rt, RRDSET *st, const char *overwrite_alert_name, const char *overwrite_dimensions);
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int rrdcalc_add_from_config(RRDHOST *host, RRDCALC *rc);
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void rrdcalc_delete_alerts_not_matching_host_labels_from_all_hosts();
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void rrdcalc_delete_alerts_not_matching_host_labels_from_this_host(RRDHOST *host);
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static inline int rrdcalc_isrepeating(RRDCALC *rc) {
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if (unlikely(rc->warn_repeat_every > 0 || rc->crit_repeat_every > 0)) {
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return 1;
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}
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return 0;
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}
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void rrdcalc_unlink_all_rrdset_alerts(RRDSET *st);
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void rrdcalc_delete_all(RRDHOST *host);
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void rrdcalc_rrdhost_index_init(RRDHOST *host);
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void rrdcalc_rrdhost_index_destroy(RRDHOST *host);
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#define RRDCALC_VAR_MAX 100
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#define RRDCALC_VAR_FAMILY "${family}"
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#define RRDCALC_VAR_LABEL "${label:"
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#define RRDCALC_VAR_LABEL_LEN (sizeof(RRDCALC_VAR_LABEL)-1)
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#endif //NETDATA_RRDCALC_H
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