Rule for inhibiting alerts based on other alerts. More...

#include <alert_pipeline.h>

Collaboration diagram for kcenon::monitoring::inhibition_rule:

Public Member Functions
bool	matches_source (const alert &a) const
	Check if source alert matches this rule.

bool	should_inhibit (const alert &source, const alert &target) const
	Check if target alert should be inhibited by source.

Public Attributes
std::string	name

alert_labels	source_match
	Labels that source alert must have.

alert_labels	target_match
	Labels that target alert must have.

std::vector< std::string >	equal
	Labels that must be equal on both.

Detailed Description

Rule for inhibiting alerts based on other alerts.

When a source alert is firing, target alerts matching the specified labels are inhibited (silenced).

Examples: alert_pipeline_example.cpp.

Definition at line 261 of file alert_pipeline.h.

Member Function Documentation

◆ matches_source()

bool kcenon::monitoring::inhibition_rule::matches_source ( const alert & a ) const

inline

Check if source alert matches this rule.

Examples: /home/runner/work/monitoring_system/monitoring_system/include/kcenon/monitoring/alert/alert_pipeline.h.

Definition at line 270 of file alert_pipeline.h.

                                              {
        for (const auto& [key, value] : source_match.labels) {
            if (a.labels.get(key) != value) {
                return false;
            }
        }
        return true;
    }

References kcenon::monitoring::alert_labels::get(), kcenon::monitoring::alert::labels, kcenon::monitoring::alert_labels::labels, and source_match.

Referenced by should_inhibit().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ should_inhibit()

bool kcenon::monitoring::inhibition_rule::should_inhibit	(	const alert &	source,
		const alert &	target ) const

inline

Check if target alert should be inhibited by source.

Examples: /home/runner/work/monitoring_system/monitoring_system/include/kcenon/monitoring/alert/alert_pipeline.h.

Definition at line 282 of file alert_pipeline.h.

                                                                        {
        // Source must match
        if (!matches_source(source)) {
            return false;
        }
 
        // Target must match target_match labels
        for (const auto& [key, value] : target_match.labels) {
            if (target.labels.get(key) != value) {
                return false;
            }
        }
 
        // Equal labels must match between source and target
        for (const auto& label : equal) {
            if (source.labels.get(label) != target.labels.get(label)) {
                return false;
            }
        }
 
        return true;
    }