litellm/helm/litellm-helm/templates/_helpers.tpl

{{/*
Expand the name of the chart.
*/}}
{{- define "litellm.name" -}}
{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
{{- end }}

{{/*
Create a default fully qualified app name.
We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
If release name contains chart name it will be used as a full name.
*/}}
{{- define "litellm.fullname" -}}
{{- if .Values.fullnameOverride }}
{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
{{- else }}
{{- $name := default .Chart.Name .Values.nameOverride }}
{{- if contains $name .Release.Name }}
{{- .Release.Name | trunc 63 | trimSuffix "-" }}
{{- else }}
{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
{{- end }}
{{- end }}
{{- end }}

{{/*
Create chart name and version as used by the chart label.
*/}}
{{- define "litellm.chart" -}}
{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
{{- end }}

{{/*
Common labels
*/}}
{{- define "litellm.labels" -}}
helm.sh/chart: {{ include "litellm.chart" . }}
{{ include "litellm.selectorLabels" . }}
{{- if .Chart.AppVersion }}
app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
{{- end }}
app.kubernetes.io/managed-by: {{ .Release.Service }}
{{- end }}

{{/*
Selector labels
*/}}
{{- define "litellm.selectorLabels" -}}
app.kubernetes.io/name: {{ include "litellm.name" . }}
app.kubernetes.io/instance: {{ .Release.Name }}
{{- end }}

{{/*
Enterprise billable-request metering. The client certificate identifies the
deployment to LiteLLM's collector, so it is mounted read-only from an existing
Secret rather than passed through the environment.
*/}}
{{- define "litellm.billingMetrics.certDir" -}}/etc/litellm/billing-mtls{{- end -}}
{{- define "litellm.billingMetrics.caDir" -}}/etc/litellm/billing-mtls-ca{{- end -}}

{{- define "litellm.billingMetricsEnv" -}}
- name: LITELLM_BILLING_METRICS_ENDPOINT
  value: {{ required "billingMetrics.endpoint is required when billingMetrics.enabled is true" .Values.billingMetrics.endpoint | quote }}
- name: LITELLM_BILLING_METRICS_CLIENT_CERT
  value: {{ printf "%s/tls.crt" (include "litellm.billingMetrics.certDir" .) | quote }}
- name: LITELLM_BILLING_METRICS_CLIENT_KEY
  value: {{ printf "%s/tls.key" (include "litellm.billingMetrics.certDir" .) | quote }}
{{- if .Values.billingMetrics.caSecretName }}
- name: LITELLM_BILLING_METRICS_CA_CERT
  value: {{ printf "%s/ca.crt" (include "litellm.billingMetrics.caDir" .) | quote }}
{{- end }}
{{- with .Values.billingMetrics.exportIntervalMs }}
- name: LITELLM_BILLING_METRICS_EXPORT_INTERVAL_MS
  value: {{ . | quote }}
{{- end }}
{{- end -}}

{{- define "litellm.billingMetricsVolumes" -}}
- name: billing-metrics-mtls
  secret:
    secretName: {{ required "billingMetrics.secretName is required when billingMetrics.enabled is true (an existing Secret with tls.crt and tls.key)" .Values.billingMetrics.secretName }}
{{- if .Values.billingMetrics.caSecretName }}
- name: billing-metrics-mtls-ca
  secret:
    secretName: {{ .Values.billingMetrics.caSecretName }}
{{- end }}
{{- end -}}

{{- define "litellm.billingMetricsVolumeMounts" -}}
- name: billing-metrics-mtls
  mountPath: {{ include "litellm.billingMetrics.certDir" . }}
  readOnly: true
{{- if .Values.billingMetrics.caSecretName }}
- name: billing-metrics-mtls-ca
  mountPath: {{ include "litellm.billingMetrics.caDir" . }}
  readOnly: true
{{- end }}
{{- end -}}

{{/*
Create the name of the service account to use
*/}}
{{- define "litellm.serviceAccountName" -}}
{{- if .Values.serviceAccount.create }}
{{- default (include "litellm.fullname" .) .Values.serviceAccount.name }}
{{- else }}
{{- default "default" .Values.serviceAccount.name }}
{{- end }}
{{- end }}

{{/*
Create the service account name used by migration jobs.
When Helm hooks are enabled, pre-install/pre-upgrade hooks run before normal resources.
If this chart is creating the ServiceAccount, it is not yet available for the hook job,
so fall back to "default" (or an explicit override) to avoid a cyclic dependency.
*/}}
{{- define "litellm.migrationServiceAccountName" -}}
{{- if and .Values.migrationJob.hooks.helm.enabled .Values.serviceAccount.create }}
{{- default "default" .Values.migrationJob.serviceAccountName }}
{{- else }}
{{- include "litellm.serviceAccountName" . }}
{{- end }}
{{- end }}

{{/*
Get redis service name.
The bundled Redis subchart only serves sentinel in "replication" architecture
(it rejects standalone + sentinel outright), and in that mode the sentinel
Service is named "<release>-redis", not "<release>-redis-master".
*/}}
{{- define "litellm.redis.serviceName" -}}
{{- if .Values.redis.sentinel.enabled -}}
{{- printf "%s-%s" .Release.Name (default "redis" .Values.redis.nameOverride | trunc 63 | trimSuffix "-") -}}
{{- else -}}
{{- printf "%s-%s-master" .Release.Name (default "redis" .Values.redis.nameOverride | trunc 63 | trimSuffix "-") -}}
{{- end -}}
{{- end -}}

{{/*
Get redis service port
*/}}
{{- define "litellm.redis.port" -}}
{{- if .Values.redis.sentinel.enabled -}}
{{ .Values.redis.sentinel.service.ports.sentinel }}
{{- else -}}
{{ .Values.redis.master.service.ports.redis }}
{{- end -}}
{{- end -}}

{{/*
Reject an unpinned image tag for the bundled PostgreSQL.
A floating tag lets a chart upgrade start a newer PostgreSQL major against the
existing PersistentVolumeClaim. The server then refuses to start on a data
directory written by another major version, and the only way back is a dump
taken before the change, which by that point no longer exists.
*/}}
{{- define "litellm.validateBundledPostgresImageTag" -}}
{{- $tag := .Values.postgresql.image.tag | default "" | toString -}}
{{- $digest := .Values.postgresql.image.digest | default "" | toString -}}
{{- if and (eq $digest "") (or (eq $tag "") (eq $tag "latest")) -}}
{{- fail (printf "postgresql.image.tag must be pinned to an explicit version when db.deployStandalone is true (got %q). An unpinned tag can start a different PostgreSQL major against the existing data directory, which makes the database unreadable and is not recoverable in place. Crossing a major version requires a dump and restore." $tag) -}}
{{- end -}}
{{- end -}}