24 lines
737 B
Nix
24 lines
737 B
Nix
{ lib, pkgs, config, ... }: # Standard module arguments
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{
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services.vmalert.rules.groups = [
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{
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name = "RAMUsageAlerts";
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rules = [
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{
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alert = "HighRAMUsage";
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expr = "(1 - node_memory_MemAvailable_bytes / node_memory_MemTotal_bytes) * 100 > 90";
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for = "10m";
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labels = {
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severity = "warning";
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category = "performance";
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};
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annotations = {
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summary = "High RAM usage on {{ $labels.instance }}";
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description = "RAM usage on {{ $labels.instance }} (job: {{ $labels.job }}) has been above 90% for more than 10 minutes. Current value: {{ $value | printf \"%.2f\" }}%.";
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};
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}
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];
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}
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];
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}
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