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Support adding custom recording rules. #1225

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Support adding custom recording rules. #1225

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1 change: 1 addition & 0 deletions chart/openfaas/README.md
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Expand Up @@ -671,3 +671,4 @@ For legacy scaling in OpenFaaS Community Edition.
| `prometheus.retention.time` | When to remove old data from the prometheus db. | `15d` |
| `prometheus.retention.size` | The maximum number of bytes of storage blocks to retain. Units supported: B, KB, MB, GB, TB, PB, EB. 0 meaning disabled. See: [Prometheus storage](https://prometheus.io/docs/prometheus/latest/storage/#operational-aspects)| `0` |
| `prometheus.resources` | Resource limits and requests for prometheus containers | See [values.yaml](./values.yaml) |
| `prometheus.recordingRules` | Custom recording rules for autoscaling. | `[]` |
4 changes: 4 additions & 0 deletions chart/openfaas/templates/prometheus-pro-cfg.yaml
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Expand Up @@ -207,6 +207,10 @@ data:
expr: ceil(sum(irate ( pod_cpu_usage_seconds_total{}[1m])*1000) by (function_name) * on (function_name) avg by (function_name) (gateway_service_target_load{scaling_type="cpu"} > bool 1 ))
labels:
scaling_type: cpu

{{- with .Values.prometheus.recordingRules }}
{{ toYaml . | nindent 6 }}
{{- end }}

- name: recently_started_1m
interval: 10s
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1 change: 1 addition & 0 deletions chart/openfaas/values.yaml
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Expand Up @@ -360,6 +360,7 @@ prometheus:
memory: "512Mi"
cpu: "100m"
annotations: {}
recordingRules: []

alertmanager:
image: prom/alertmanager:v0.27.0
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