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Add support for PDB and TopologySpreadConstraints #9

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Add support for PDB and TopologySpreadConstraints #9

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b91c6dc
Add support for PDB and TopologySpreadConstraints
micrOsman Jun 26, 2023
2182083
Change priorityClassName value
micrOsman Jul 24, 2023
d1a1729
Version update
micrOsman Jul 31, 2023
d11cea3
Merge branch 'main' into feature/pdb-topologyspreadconstaints
micrOsman Aug 1, 2023
cbcfd59
Merge branch 'main' into feature/pdb-topologyspreadconstaints
micrOsman Aug 17, 2023
2962fae
PDB: add logic for correct apiVersion
micrOsman Aug 17, 2023
6c10abe
Merge branch 'feature/pdb-topologyspreadconstaints' of https://github…
micrOsman Aug 17, 2023
1582768
Update Chart.yaml
Narekmat Aug 18, 2023
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2 changes: 1 addition & 1 deletion charts/kafka-ui/Chart.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,6 @@ apiVersion: v2
name: kafka-ui
description: A Helm chart for kafka-UI
type: application
version: 0.7.4
version: 0.7.5
appVersion: v0.7.1
icon: https://github.com/provectus/kafka-ui/raw/master/documentation/images/kafka-ui-logo.png
8 changes: 8 additions & 0 deletions charts/kafka-ui/templates/deployment.yaml
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Expand Up @@ -41,6 +41,10 @@ spec:
serviceAccountName: {{ include "kafka-ui.serviceAccountName" . }}
securityContext:
{{- toYaml .Values.podSecurityContext | nindent 8 }}
{{- with .Values.priorityClassName }}
priorityClassName:
{{- toYaml . | nindent 8 }}
{{- end }}
containers:
- name: {{ .Chart.Name }}
securityContext:
Expand Down Expand Up @@ -148,3 +152,7 @@ spec:
tolerations:
{{- toYaml . | nindent 8 }}
{{- end }}
{{- with .Values.topologySpreadConstraints }}
topologySpreadConstraints:
{{- toYaml . | nindent 8 }}
{{- end }}
24 changes: 24 additions & 0 deletions charts/kafka-ui/templates/pdb.yaml
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@@ -0,0 +1,24 @@
{{- if .Values.podDisruptionBudget.enabled -}}
{{- $kubeCapabilityVersion := semver .Capabilities.KubeVersion.Version -}}
{{- $isHigher1p21 := ge (semver "1.21" | $kubeCapabilityVersion.Compare) 0 -}}
{{- if $isHigher1p21 -}}
apiVersion: policy/v1
{{- else }}
apiVersion: policy/v1beta1
{{- end }}
kind: PodDisruptionBudget
metadata:
name: {{ include "kafka-ui.fullname" . }}
labels:
{{- include "kafka-ui.labels" . | nindent 4 }}
spec:
{{- if .Values.podDisruptionBudget.minAvailable }}
minAvailable: {{ .Values.podDisruptionBudget.minAvailable }}
{{- end }}
{{- if .Values.podDisruptionBudget.maxUnavailable }}
maxUnavailable: {{ .Values.podDisruptionBudget.maxUnavailable }}
{{- end }}
selector:
matchLabels:
{{- include "kafka-ui.selectorLabels" . | nindent 6 }}
{{- end -}}
18 changes: 18 additions & 0 deletions charts/kafka-ui/values.yaml
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Expand Up @@ -91,6 +91,17 @@ securityContext:
# runAsNonRoot: true
# runAsUser: 1000

## Set Pod Priority Class - importance of Pod relatives to other pods
##
priorityClassName: default

## Set Pod Disruption Budget to limit the number of concurrent disruptions
## Ref: https://kubernetes.io/docs/tasks/run-application/configure-pdb/
podDisruptionBudget:
enabled: false
minAvailable: ""
maxUnavailable: ""

service:
type: ClusterIP
port: 80
Expand Down Expand Up @@ -161,3 +172,10 @@ initContainers: {}
volumeMounts: {}

volumes: {}

## Set custom TopologySpreadConstraints to manage the distribution of Pods across cluster’s failure-domains
## Ref: https://kubernetes.io/docs/concepts/workloads/pods/pod-topology-spread-constraints/
topologySpreadConstraints: []
# - maxSkew: 1
# topologyKey: kubernetes.io/hostname
# whenUnsatisfiable: DoNotSchedule
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