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fix(helm): Enable Backend Deployment to mount Gateway config.yaml (#29605)

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* change deployment configs to include a litellm.cache for litellm-backend pod mirroring litellm-gateway pod

* omit backend annotations block when config and podAnnotations are both empty

* reuse gateway config/configmap for backend instead of separate backend config

---------

Co-authored-by: shin-berri <shin-laptop@berri.ai>
Co-authored-by: yuneng-jiang <yuneng@berri.ai>
Co-authored-by: Tin Chi Lo <tin@Tins-MBP.localdomain>
Co-authored-by: Tin Chi Lo <tin@Tins-MacBook-Pro.local>
This commit is contained in:
tin-berri 2026-06-04 12:07:19 -07:00 committed by GitHub
parent 568d291b99
commit f9142d7961
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1 changed files with 22 additions and 1 deletions
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23
helm/litellm/templates/backend/deployment.yaml
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@ -12,10 +12,15 @@ spec:
{{- include "litellm.backend.selectorLabels" . | nindent 6 }}
template:
metadata:
{{- with .Values.backend.podAnnotations }}
{{- if or .Values.gateway.config.create .Values.backend.podAnnotations }}
annotations:
{{- if .Values.gateway.config.create }}
checksum/config: {{ include (print $.Template.BasePath "/gateway/configmap.yaml") . | sha256sum }}
{{- end }}
{{- with .Values.backend.podAnnotations }}
{{- toYaml . | nindent 8 }}
{{- end }}
{{- end }}
labels:
{{- include "litellm.backend.selectorLabels" . | nindent 8 }}
spec:
@ -35,7 +40,17 @@ spec:
protocol: TCP
env:
{{- include "litellm.serverEnv" (dict "root" $ "component" .Values.backend) | nindent 12 }}
{{- if .Values.gateway.config.create }}
- name: CONFIG_FILE_PATH
value: /app/config/config.yaml
{{- end }}
{{- include "litellm.envFrom" .Values.backend | nindent 10 }}
{{- if .Values.gateway.config.create }}
volumeMounts:
- name: gateway-config
mountPath: /app/config/config.yaml
subPath: config.yaml
{{- end }}
{{- with .Values.backend.livenessProbe }}
livenessProbe:
{{- toYaml . | nindent 12 }}
@ -46,6 +61,12 @@ spec:
{{- end }}
resources:
{{- toYaml .Values.backend.resources | nindent 12 }}
{{- if .Values.gateway.config.create }}
volumes:
- name: gateway-config
configMap:
name: {{ include "litellm.gateway.fullname" . }}-config
{{- end }}
{{- with .Values.backend.nodeSelector }}
nodeSelector:
{{- toYaml . | nindent 8 }}