kube-prometheus: fixed CPU accounting
Currently, node recording rules feature an incorrect idle CPU accounting. This change aims to fix that.
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@@ -2,7 +2,7 @@ groups:
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- name: node.rules
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rules:
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- record: instance:node_cpu:rate:sum
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expr: sum(rate(node_cpu{mode!="idle",mode!="iowait",mode!~"^(?:guest.*)$"}[3m]))
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expr: sum(rate(node_cpu{mode!="idle",mode!="iowait"}[3m]))
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BY (instance)
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- record: instance:node_filesystem_usage:sum
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expr: sum((node_filesystem_size{mountpoint="/"} - node_filesystem_free{mountpoint="/"}))
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@@ -12,10 +12,10 @@ groups:
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- record: instance:node_network_transmit_bytes:rate:sum
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expr: sum(rate(node_network_transmit_bytes[3m])) BY (instance)
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- record: instance:node_cpu:ratio
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expr: sum(rate(node_cpu{mode!="idle"}[5m])) WITHOUT (cpu, mode) / ON(instance)
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expr: sum(rate(node_cpu{mode!="idle",mode!="iowait"}[5m])) WITHOUT (cpu, mode) / ON(instance)
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GROUP_LEFT() count(sum(node_cpu) BY (instance, cpu)) BY (instance)
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- record: cluster:node_cpu:sum_rate5m
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expr: sum(rate(node_cpu{mode!="idle"}[5m]))
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expr: sum(rate(node_cpu{mode!="idle",mode!="iowait"}[5m]))
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- record: cluster:node_cpu:ratio
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expr: cluster:node_cpu:rate5m / count(sum(node_cpu) BY (instance, cpu))
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- alert: NodeExporterDown
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@@ -498,7 +498,7 @@ data:
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- name: node.rules
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rules:
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- record: instance:node_cpu:rate:sum
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expr: sum(rate(node_cpu{mode!="idle",mode!="iowait",mode!~"^(?:guest.*)$"}[3m]))
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expr: sum(rate(node_cpu{mode!="idle",mode!="iowait"}[3m]))
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BY (instance)
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- record: instance:node_filesystem_usage:sum
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expr: sum((node_filesystem_size{mountpoint="/"} - node_filesystem_free{mountpoint="/"}))
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@@ -508,10 +508,10 @@ data:
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- record: instance:node_network_transmit_bytes:rate:sum
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expr: sum(rate(node_network_transmit_bytes[3m])) BY (instance)
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- record: instance:node_cpu:ratio
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expr: sum(rate(node_cpu{mode!="idle"}[5m])) WITHOUT (cpu, mode) / ON(instance)
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expr: sum(rate(node_cpu{mode!="idle",mode!="iowait"}[5m])) WITHOUT (cpu, mode) / ON(instance)
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GROUP_LEFT() count(sum(node_cpu) BY (instance, cpu)) BY (instance)
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- record: cluster:node_cpu:sum_rate5m
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expr: sum(rate(node_cpu{mode!="idle"}[5m]))
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expr: sum(rate(node_cpu{mode!="idle",mode!="iowait"}[5m]))
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- record: cluster:node_cpu:ratio
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expr: cluster:node_cpu:rate5m / count(sum(node_cpu) BY (instance, cpu))
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- alert: NodeExporterDown
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