Added HAproxy exporter
Change-Id: I99124d11639505c76bafcfe9be622135382e3f09
This commit is contained in:
Mohammed Naser
parent
70655055f9
commit
7badbfad0b
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---
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apiVersion: v1
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name: haproxy-exporter
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version: 0.3.1
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description: HAProxy exporter for Prometheus
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home: https://github.com/vexxhost/helm-charts
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maintainers:
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- name: Mohammed Naser
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email: mnaser@vexxhost.com
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url: https://github.com/mnaser
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appVersion: v0.10.0
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{{/* vim: set filetype=mustache: */}}
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{{/*
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Expand the name of the chart.
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*/}}
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{{- define "haproxy-exporter.name" -}}
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{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
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{{- end -}}
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{{/*
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Create a default fully qualified app name.
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We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
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If release name contains chart name it will be used as a full name.
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*/}}
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{{- define "haproxy-exporter.fullname" -}}
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{{- if .Values.fullnameOverride -}}
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{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" -}}
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{{- else -}}
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{{- $name := default .Chart.Name .Values.nameOverride -}}
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{{- if contains $name .Release.Name -}}
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{{- .Release.Name | trunc 63 | trimSuffix "-" -}}
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{{- else -}}
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{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
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{{- end -}}
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{{- end -}}
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{{- end -}}
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{{/*
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Generate basic labels
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*/}}
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{{- define "haproxy-exporter.labels" }}
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app.kubernetes.io/name: {{ include "haproxy-exporter.fullname" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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app.kubernetes.io/component: metrics
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app.kubernetes.io/part-of: haproxy
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{{- if .Values.commonLabels }}
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{{ toYaml .Values.commonLabels }}
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{{- end }}
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{{- end }}
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{{/*
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Create chart name and version as used by the chart label.
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*/}}
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{{- define "haproxy-exporter.chart" -}}
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{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
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{{- end -}}
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---
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apiVersion: apps/v1
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kind: DaemonSet
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metadata:
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namespace: {{ .Release.Namespace }}
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name: {{ include "haproxy-exporter.fullname" . }}
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labels:
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{{ include "haproxy-exporter.labels" $ | indent 4 }}
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spec:
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selector:
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matchLabels:
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{{ include "haproxy-exporter.labels" $ | indent 6 }}
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template:
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metadata:
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labels:
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{{ include "haproxy-exporter.labels" $ | indent 8 }}
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spec:
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containers:
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- name: haproxy-exporter
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image: prom/haproxy-exporter:v0.10.0
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args:
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- --haproxy.scrape-uri=unix:/var/run/haproxy.stat
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resources:
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limits:
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cpu: 500m
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memory: 180Mi
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requests:
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cpu: 250m
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memory: 180Mi
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volumeMounts:
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- name: haproxy-socket
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mountPath: /var/run/haproxy.stat
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ports:
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- name: metrics
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containerPort: 9101
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{{- with $.Values.tolerations }}
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tolerations:
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{{ toYaml . | indent 8 }}
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{{- end }}
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{{- with $.Values.nodeSelector }}
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nodeSelector:
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{{ toYaml . | indent 8 }}
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{{- end }}
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volumes:
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- name: haproxy-socket
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hostPath:
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path: /var/run/haproxy.stat
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---
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apiVersion: monitoring.coreos.com/v1
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kind: PrometheusRule
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metadata:
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namespace: {{ .Release.Namespace }}
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name: {{ include "haproxy-exporter.fullname" . }}
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labels:
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{{ include "haproxy-exporter.labels" $ | indent 4 }}
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spec:
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groups:
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- name: haproxy
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rules:
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- alert: HaproxyDown
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expr: |
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absent(haproxy_up == 1)
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for: 1m
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labels:
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severity: critical
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- alert: HaproxyBackendDown
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for: 1m
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expr: |
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haproxy_backend_up != 1
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labels:
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severity: P2
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- alert: HaproxyBackendDegraded
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expr: |
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avg(haproxy_server_up) by (instance, backend, server) != 1
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for: 1m
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labels:
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severity: P3
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@ -0,0 +1,16 @@
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---
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apiVersion: v1
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kind: Service
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metadata:
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namespace: {{ .Release.Namespace }}
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name: {{ include "haproxy-exporter.fullname" . }}
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labels:
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{{ include "haproxy-exporter.labels" $ | indent 4 }}
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spec:
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clusterIP: None
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ports:
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- name: metrics
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port: 9101
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targetPort: metrics
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selector:
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{{ include "haproxy-exporter.labels" $ | indent 4 }}
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@ -0,0 +1,23 @@
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---
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apiVersion: monitoring.coreos.com/v1
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kind: ServiceMonitor
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metadata:
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namespace: {{ .Release.Namespace }}
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name: {{ include "haproxy-exporter.fullname" . }}
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labels:
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{{ include "haproxy-exporter.labels" $ | indent 4 }}
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spec:
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endpoints:
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- interval: 30s
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port: metrics
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relabelings:
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- action: replace
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regex: (.*)
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replacement: ${1}:9101
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sourceLabels:
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- __meta_kubernetes_pod_node_name
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targetLabel: instance
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jobLabel: jobLabel
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selector:
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matchLabels:
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{{ include "haproxy-exporter.labels" $ | indent 6 }}
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@ -0,0 +1 @@
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---
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