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[stable/prometheus] Add PodDisruptionBudget support (#19670)

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* [stable/prometheus] Add PodDisruptionBudget support

Signed-off-by: Vlad Ionescu <Vlaaaaaaad@users.noreply.github.com>

* PDB should be false by default

Signed-off-by: Vlad Ionescu <Vlaaaaaaad@users.noreply.github.com>

* Formatting fixes

Signed-off-by: Vlad Ionescu <Vlaaaaaaad@users.noreply.github.com>
This commit is contained in:
Vlad Ionescu
2019-12-18 16:45:56 -08:00
committed by Kubernetes Prow Robot
parent a8bb442202
commit 757f99fd79
7 changed files with 98 additions and 1 deletions
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stable/prometheus/Chart.yaml
+1 -1
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@@ -1,6 +1,6 @@
apiVersion: v1
name: prometheus
version: 9.5.6
version: 9.6.0
appVersion: 2.13.1
description: Prometheus is a monitoring system and time series database.
home: https://prometheus.io/
stable/prometheus/README.md
+10
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@@ -117,6 +117,8 @@ Parameter | Description | Default
`alertmanager.nodeSelector` | node labels for alertmanager pod assignment | `{}`
`alertmanager.tolerations` | node taints to tolerate (requires Kubernetes >=1.6) | `[]`
`alertmanager.affinity` | pod affinity | `{}`
`alertmanager.podDisruptionBudget.enabled` | If true, create a PodDisruptionBudget | `false`
`alertmanager.podDisruptionBudget.maxUnavailable` | Maximum unavailable instances in PDB | `1`
`alertmanager.schedulerName` | alertmanager alternate scheduler name | `nil`
`alertmanager.persistentVolume.enabled` | If true, alertmanager will create a Persistent Volume Claim | `true`
`alertmanager.persistentVolume.accessModes` | alertmanager data Persistent Volume access modes | `[ReadWriteOnce]`
@@ -173,6 +175,8 @@ Parameter | Description | Default
`kubeStateMetrics.podSecurityPolicy.annotations` | Specify pod annotations in the pod security policy | `{}` |
`kubeStateMetrics.tolerations` | node taints to tolerate (requires Kubernetes >=1.6) | `[]`
`kubeStateMetrics.replicaCount` | desired number of kube-state-metrics pods | `1`
`kubeStateMetrics.podDisruptionBudget.enabled` | If true, create a PodDisruptionBudget | `false`
`kubeStateMetrics.podDisruptionBudget.maxUnavailable` | Maximum unavailable instances in PDB | `1`
`kubeStateMetrics.priorityClassName` | kube-state-metrics priorityClassName | `nil`
`kubeStateMetrics.resources` | kube-state-metrics resource requests and limits (YAML) | `{}`
`kubeStateMetrics.securityContext` | Custom [security context](https://kubernetes.io/docs/tasks/configure-pod-container/security-context/) for kube-state-metrics containers | `{}`
@@ -196,6 +200,8 @@ Parameter | Description | Default
`nodeExporter.nodeSelector` | node labels for node-exporter pod assignment | `{}`
`nodeExporter.podAnnotations` | annotations to be added to node-exporter pods | `{}`
`nodeExporter.pod.labels` | labels to be added to node-exporter pods | `{}`
`nodeExporter.podDisruptionBudget.enabled` | If true, create a PodDisruptionBudget | `false`
`nodeExporter.podDisruptionBudget.maxUnavailable` | Maximum unavailable instances in PDB | `1`
`nodeExporter.podSecurityPolicy.annotations` | Specify pod annotations in the pod security policy | `{}` |
`nodeExporter.podSecurityPolicy.enabled` | Specify if a Pod Security Policy for node-exporter must be created | `false`
`nodeExporter.tolerations` | node taints to tolerate (requires Kubernetes >=1.6) | `[]`
@@ -227,6 +233,8 @@ Parameter | Description | Default
`pushgateway.podSecurityPolicy.annotations` | Specify pod annotations in the pod security policy | `{}` |
`pushgateway.tolerations` | node taints to tolerate (requires Kubernetes >=1.6) | `[]`
`pushgateway.replicaCount` | desired number of pushgateway pods | `1`
`pushgateway.podDisruptionBudget.enabled` | If true, create a PodDisruptionBudget | `false`
`pushgateway.podDisruptionBudget.maxUnavailable` | Maximum unavailable instances in PDB | `1`
`pushgateway.schedulerName` | pushgateway alternate scheduler name | `nil`
`pushgateway.persistentVolume.enabled` | If true, Prometheus pushgateway will create a Persistent Volume Claim | `false`
`pushgateway.persistentVolume.accessModes` | Prometheus pushgateway data Persistent Volume access modes | `[ReadWriteOnce]`
@@ -278,6 +286,8 @@ Parameter | Description | Default
`server.nodeSelector` | node labels for Prometheus server pod assignment | `{}`
`server.tolerations` | node taints to tolerate (requires Kubernetes >=1.6) | `[]`
`server.affinity` | pod affinity | `{}`
`server.podDisruptionBudget.enabled` | If true, create a PodDisruptionBudget | `false`
`server.podDisruptionBudget.maxUnavailable` | Maximum unavailable instances in PDB | `1`
`server.priorityClassName` | Prometheus server priorityClassName | `nil`
`server.schedulerName` | Prometheus server alternate scheduler name | `nil`
`server.persistentVolume.enabled` | If true, Prometheus server will create a Persistent Volume Claim | `true`
stable/prometheus/templates/alertmanager-pdb.yaml
+13
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@@ -0,0 +1,13 @@
{{- if .Values.alertmanager.podDisruptionBudget.enabled }}
apiVersion: policy/v1beta1
kind: PodDisruptionBudget
metadata:
name: {{ template "prometheus.alertmanager.fullname" . }}
labels:
{{- include "prometheus.alertmanager.labels" . | nindent 4 }}
spec:
maxUnavailable: {{ .Values.alertmanager.podDisruptionBudget.maxUnavailable }}
selector:
matchLabels:
{{- include "prometheus.alertmanager.labels" . | nindent 6 }}
{{- end }}
stable/prometheus/templates/kube-state-metrics-pdb.yaml
+13
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@@ -0,0 +1,13 @@
{{- if .Values.kubeStateMetrics.podDisruptionBudget.enabled }}
apiVersion: policy/v1beta1
kind: PodDisruptionBudget
metadata:
name: {{ template "prometheus.kubeStateMetrics.fullname" . }}
labels:
{{- include "prometheus.kubeStateMetrics.labels" . | nindent 4 }}
spec:
maxUnavailable: {{ .Values.kubeStateMetrics.podDisruptionBudget.maxUnavailable }}
selector:
matchLabels:
{{- include "prometheus.kubeStateMetrics.labels" . | nindent 6 }}
{{- end }}
stable/prometheus/templates/pushgateway-pdb.yaml
+13
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@@ -0,0 +1,13 @@
{{- if .Values.pushgateway.podDisruptionBudget.enabled }}
apiVersion: policy/v1beta1
kind: PodDisruptionBudget
metadata:
name: {{ template "prometheus.pushgateway.fullname" . }}
labels:
{{- include "prometheus.pushgateway.labels" . | nindent 4 }}
spec:
maxUnavailable: {{ .Values.pushgateway.podDisruptionBudget.maxUnavailable }}
selector:
matchLabels:
{{- include "prometheus.pushgateway.labels" . | nindent 6 }}
{{- end }}
stable/prometheus/templates/server-pdb.yaml
+13
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@@ -0,0 +1,13 @@
{{- if .Values.server.podDisruptionBudget.enabled }}
apiVersion: policy/v1beta1
kind: PodDisruptionBudget
metadata:
name: {{ template "prometheus.server.fullname" . }}
labels:
{{- include "prometheus.server.labels" . | nindent 4 }}
spec:
maxUnavailable: {{ .Values.server.podDisruptionBudget.maxUnavailable }}
selector:
matchLabels:
{{- include "prometheus.server.labels" . | nindent 6 }}
{{- end }}
stable/prometheus/values.yaml
+35
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@@ -149,6 +149,13 @@ alertmanager:
##
affinity: {}
## PodDisruptionBudget settings
## ref: https://kubernetes.io/docs/concepts/workloads/pods/disruptions/
##
podDisruptionBudget:
enabled: false
maxUnavailable: 1
## Use an alternate scheduler, e.g. "stork".
## ref: https://kubernetes.io/docs/tasks/administer-cluster/configure-multiple-schedulers/
##
@@ -379,6 +386,13 @@ kubeStateMetrics:
replicaCount: 1
## PodDisruptionBudget settings
## ref: https://kubernetes.io/docs/concepts/workloads/pods/disruptions/
##
podDisruptionBudget:
enabled: false
maxUnavailable: 1
## kube-state-metrics resource requests and limits
## Ref: http://kubernetes.io/docs/user-guide/compute-resources/
##
@@ -504,6 +518,13 @@ nodeExporter:
pod:
labels: {}
## PodDisruptionBudget settings
## ref: https://kubernetes.io/docs/concepts/workloads/pods/disruptions/
##
podDisruptionBudget:
enabled: false
maxUnavailable: 1
## node-exporter resource limits & requests
## Ref: https://kubernetes.io/docs/user-guide/compute-resources/
##
@@ -711,6 +732,13 @@ server:
##
affinity: {}
## PodDisruptionBudget settings
## ref: https://kubernetes.io/docs/concepts/workloads/pods/disruptions/
##
podDisruptionBudget:
enabled: false
maxUnavailable: 1
## Use an alternate scheduler, e.g. "stork".
## ref: https://kubernetes.io/docs/tasks/administer-cluster/configure-multiple-schedulers/
##
@@ -970,6 +998,13 @@ pushgateway:
replicaCount: 1
## PodDisruptionBudget settings
## ref: https://kubernetes.io/docs/concepts/workloads/pods/disruptions/
##
podDisruptionBudget:
enabled: false
maxUnavailable: 1
## pushgateway resource requests and limits
## Ref: http://kubernetes.io/docs/user-guide/compute-resources/
##