问题描述
在Brian Brian这个博客https://www.robustperception.io/using-time-series-as-alert-thresholds之后,我们正尝试将时间序列用作警报阈值
这是记录规则
groups:
- name: xor-mock
rules:
- record: resource:critical
expr: 0.6
labels:
resource_type: cpu:usage
severity: critical
- record: resource:critical
expr: 0.9
labels:
resource_type: cpu:usage
severity: critical
entity_type: Node
- record: resource:saturation
expr: >
resource > on(resource_type,entity_type) group_left(severity)resource:critical{entity_type !=""}
or
resource > on(resource_type) group_left(severity) resource:critical{entity_type =""}
这是失败的promql测试
rule_files:
- "../prom_support/xor_rule.yml"
evaluation_interval: 1m
tests:
- interval: 1m
input_series:
- series: 'resource{instance="i1",job="node",entity_type="Node",resource_type="cpu:usage",source="node_exporter"}'
values: '0.8+0x10'
promql_expr_test:
- expr: resource:saturation
eval_time: 1m
exp_samples:
我们想创建一个promql,其中第一个条件匹配,然后跳过第二个条件,例如if .. else块
我们需要帮助解决promql规则
resource > on(resource_type,entity_type) group_left(severity)resource:critical{entity_type !=""}
or
resource > on(resource_type) group_left(severity) resource:critical{entity_type =""}
解决方法
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