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Add liveness and readiness probes for split brain detection container #368

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Add liveness and readiness probes for split brain detection container #368

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2a21fdf
Add liveness and readiness probes for split brain detection container
ninjatec Nov 12, 2025
391902b
Update charts/redis-ha/values.yaml
ninjatec Nov 14, 2025
307bfc9
Update charts/redis-ha/values.yaml
ninjatec Nov 14, 2025
e5a7048
Update charts/redis-ha/templates/redis-ha-statefulset.yaml
ninjatec Nov 14, 2025
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25 changes: 25 additions & 0 deletions charts/redis-ha/templates/redis-ha-statefulset.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -484,6 +484,31 @@ spec:
- name: split-brain-fix
image: {{ .Values.image.repository }}:{{ .Values.image.tag }}
imagePullPolicy: {{ .Values.image.pullPolicy }}
{{- if .Values.splitBrainDetection.livenessProbe.enabled }}
livenessProbe:
initialDelaySeconds: {{ .Values.splitBrainDetection.livenessProbe.initialDelaySeconds }}
periodSeconds: {{ .Values.splitBrainDetection.livenessProbe.periodSeconds }}
timeoutSeconds: {{ .Values.splitBrainDetection.livenessProbe.timeoutSeconds }}
successThreshold: {{ .Values.splitBrainDetection.livenessProbe.successThreshold }}
failureThreshold: {{ .Values.splitBrainDetection.livenessProbe.failureThreshold }}
exec:
command:
- cat
- /readonly-config/redis.conf
{{- end }}
{{- if .Values.splitBrainDetection.readinessProbe.enabled }}
readinessProbe:
initialDelaySeconds: {{ .Values.splitBrainDetection.readinessProbe.initialDelaySeconds }}
periodSeconds: {{ .Values.splitBrainDetection.readinessProbe.periodSeconds }}
timeoutSeconds: {{ .Values.splitBrainDetection.readinessProbe.timeoutSeconds }}
successThreshold: {{ .Values.splitBrainDetection.readinessProbe.successThreshold }}
failureThreshold: {{ .Values.splitBrainDetection.readinessProbe.failureThreshold }}
exec:
command:
- pgrep
- -f
- fix-split-brain.sh
{{- end }}
resources: {{ toYaml .Values.splitBrainDetection.resources | nindent 10 }}
command:
- sh
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27 changes: 27 additions & 0 deletions charts/redis-ha/values.yaml
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Expand Up @@ -1053,3 +1053,30 @@ splitBrainDetection:
retryInterval: 10
# -- splitBrainDetection resources
resources: {}
# liveness probe parameters for split brain container
livenessProbe:
enabled: true
# -- Initial delay in seconds for liveness probe
initialDelaySeconds: 30
# -- Period in seconds after which liveness probe will be repeated
periodSeconds: 15
# -- Timeout seconds for liveness probe
timeoutSeconds: 15
# -- Success threshold for liveness probe
successThreshold: 1
# -- Failure threshold for liveness probe
failureThreshold: 5

# readiness probe parameters for split brain container
readinessProbe:
enabled: true
# -- Initial delay in seconds for readiness probe
initialDelaySeconds: 30
# -- Period in seconds after which readiness probe will be repeated
periodSeconds: 15
# -- Timeout seconds for readiness probe
timeoutSeconds: 15
# -- Success threshold for readiness probe
successThreshold: 1
# -- Failure threshold for readiness probe
failureThreshold: 5