fix(RDSCPUUtilization): critical now and fixed formatting of number (#21)

fix(RDSCPUUtilization): severity to critical and fixed formatting of number

Author: qfritz

charts/prometheus-rds-alerts/prometheus_tests/RDSCPUUtilization.yml

@@ -4,12 +4,11 @@ rule_files:
 evaluation_interval: 1m
 
 tests:
-
     - name: RDSCPUUtilization
       interval: 1m
       input_series:
           - series: 'rds_cpu_usage_percent_average{aws_account_id="111111111111",aws_region="eu-west-3",dbidentifier="db1"}'
-            values: '90x10'
+            values: 90x10
       alert_rule_test:
           - alertname: RDSCPUUtilization
             eval_time: 10m
@@ -18,8 +17,8 @@ tests:
                       aws_account_id: 111111111111
                       aws_region: eu-west-3
                       dbidentifier: db1
-                      severity: warning
+                      severity: critical
                   exp_annotations:
-                      description: "db1 has 90% CPU used"
+                      description: "db1 has 90.00% CPU used"
                       summary: "db1 has high CPU utilization"
                       runbook_url: "https://qonto.github.io/database-monitoring-framework/0.0.0/runbooks/rds/RDSCPUUtilization"

charts/prometheus-rds-alerts/values.yaml

@@ -9,7 +9,6 @@ rulesGroupName: rds.rules
 additionalPrometheusRuleLabels: {}
 
 rules:
-
   RDSExporterMissingMetrics:
     expr: absent(rds_exporter_build_info)
     for: 5m
@@ -68,10 +67,10 @@ rules:
     expr: max by (aws_account_id, aws_region, dbidentifier) (rds_cpu_usage_percent_average) > 85
     for: 10m
     labels:
-      severity: warning
+      severity: critical
     annotations:
       summary: "{{ $labels.dbidentifier }} has high CPU utilization"
-      description: '{{ $labels.dbidentifier }} has {{ printf "%.2g" $value }}% CPU used'
+      description: '{{ $labels.dbidentifier }} has {{ printf "%.2f" $value }}% CPU used'
 
   RDSNonCPUUtilization:
     expr: |