- series: 'node_network_mtu_bytes{device="eth4",instance="node-exporter",
job="node-exporter"}'
values: '9000 9000 9000 9000 9000'
+ - series: 'node_network_mtu_bytes{device="eth4",instance="hostname1",
+ job="node-exporter"}'
+ values: '2200 2200 2200 2200 2200'
+ - series: 'node_network_mtu_bytes{device="eth4",instance="hostname2",
+ job="node-exporter"}'
+ values: '2400 2400 2400 2400 2400'
- series: 'node_network_up{device="eth0",instance="node-exporter",
job="node-exporter"}'
values: '0 0 0 0 0'
values: '1 1 1 1 1'
- series: 'node_network_up{device="eth3",instance="node-exporter",
job="node-exporter"}'
- values: '0 0 0 0 0'
+ values: '1 1 1 1 1'
- series: 'node_network_up{device="eth4",instance="node-exporter",
job="node-exporter"}'
values: '1 1 1 1 1'
+ - series: 'node_network_up{device="eth4",instance="hostname1",
+ job="node-exporter"}'
+ values: '1 1 1 1 1'
+ - series: 'node_network_up{device="eth4",instance="hostname2",
+ job="node-exporter"}'
+ values: '0 0 0 0 0'
promql_expr_test:
- - expr: node_network_mtu_bytes{device!="lo"} * (node_network_up{device!="lo"} > 0) != on() group_left()
- (quantile(0.5, node_network_mtu_bytes{device!="lo"}))
+ - expr: |
+ node_network_mtu_bytes * (node_network_up{device!="lo"} > 0) ==
+ scalar(
+ max by (device) (node_network_mtu_bytes * (node_network_up{device!="lo"} > 0)) !=
+ quantile by (device) (.5, node_network_mtu_bytes * (node_network_up{device!="lo"} > 0))
+ )
+ or
+ node_network_mtu_bytes * (node_network_up{device!="lo"} > 0) ==
+ scalar(
+ min by (device) (node_network_mtu_bytes * (node_network_up{device!="lo"} > 0)) !=
+ quantile by (device) (.5, node_network_mtu_bytes * (node_network_up{device!="lo"} > 0))
+ )
eval_time: 1m
exp_samples:
- labels: '{device="eth4", instance="node-exporter", job="node-exporter"}'
value: 9000
+ - labels: '{device="eth4", instance="hostname1", job="node-exporter"}'
+ value: 2200
alert_rule_test:
- eval_time: 1m
alertname: CephNodeInconsistentMTU
exp_alerts:
+ - exp_labels:
+ device: eth4
+ instance: hostname1
+ job: node-exporter
+ severity: warning
+ type: ceph_default
+ exp_annotations:
+ summary: MTU settings across Ceph hosts are inconsistent
+ description: >
+ Node hostname1 has a different MTU size (2200)
+ than the median of devices named eth4.
- exp_labels:
device: eth4
instance: node-exporter
summary: MTU settings across Ceph hosts are inconsistent
description: >
Node node-exporter has a different MTU size (9000)
- than the median value on device eth4.
+ than the median of devices named eth4.
# pool full, data series has 6 but using topk(5) so to ensure the
# results are working as expected