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Removed helm chart directory. It is moved to its own repository. Updated the readme file.

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Dominick Rivard 2023-12-15 16:04:20 -05:00
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12
README.md
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@ -225,20 +225,24 @@ You can pass application arguments directly to Gunicorn via:
gunicorn --bind 0.0.0.0:5000 'wsgi:app(api_keys=True)'
```
## Run with Kubernetes
## Kubernetes Deployment
See [Medium article by JM Robles](https://jmrobles.medium.com/libretranslate-your-own-translation-service-on-kubernetes-b46c3e1af630) and the improved [k8s.yaml](https://github.com/LibreTranslate/LibreTranslate/blob/main/k8s.yaml) by @rasos.
### Helm Chart
Based on @rasos work you can now install LibreTranslate on Kubernetes using Helm.
A Helm chart is available in the [chart](chart) directory where you can read the [README](chart/README.md) file for more details.
A Helm chart is now available in the [helm-chart](https://github.com/LibreTranslate/helm-chart/) repository where you can find more details.
You can quickly install LibreTranslate on Kubernetes using Helm with the following command:
```bash
helm install libretranslate ./chart --namespace libretranslate --create-namespace
helm repo add libretranslate https://libretranslate.github.io/helm-chart/
helm repo update
helm search repo libretranslate
helm install libretranslate libretranslate --namespace libretranslate --create-namespace
```
## Manage API Keys

4
chart/Chart.yaml
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@ -1,4 +0,0 @@
apiVersion: v2
name: libretranslate
description: A Helm chart for Kubernetes to deploy LibreTranslate API
version: 0.1.0

58
chart/README.md
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@ -1,58 +0,0 @@
# LibreTranslate Helm Chart
This Helm chart deploys a LibreTranslate instance on a Kubernetes cluster using the Helm package manager.
## Prerequisites
- Kubernetes 1.12+
- Helm 3.0+
## Installing the Chart
To install the chart with the release name `libretranslate`:
```bash
helm install libretranslate ./chart --namespace libretranslate --create-namespace
```
This command deploys LibreTranslate on the Kubernetes cluster with the default configuration. The [values.yaml](values.yaml) file lists the parameters that can be configured during installation.
> **Tip**: List all releases using `helm list`
## Uninstalling the Chart
To uninstall/delete the `libretranslate` deployment:
```bash
helm delete libretranslate
```
This command removes all the Kubernetes components associated with the chart and deletes the release.
## Configuration
See [values.yaml](values.yaml) for the full list of parameters that can be configured. You can specify each parameter using the `--set key=value[,key=value]` argument to `helm install`. For example,
```bash
helm install libretranslate ./chart --namespace libretranslate --create-namespace --set service.port=8080
```
Alternatively, a YAML file that specifies the values for the parameters can be provided while installing the chart. For example,
```bash
helm install libretranslate ./chart --namespace libretranslate --create-namespace -f values.yaml
```
## Upgrade
Run the following command to upgrade your LibreTranslate installation. This command will use the Helm chart in the ./chart directory, apply the custom values from values.yaml, and deploy the upgrade to the `libretranslate` namespace:
```bash
helm upgrade --install libretranslate ./chart --namespace libretranslate -f values.yaml
```
> **Tip**: You can use the default [values.yaml](values.yaml)
# References
- [https://jmrobles.medium.com/libretranslate-your-own-translation-service-on-kubernetes-b46c3e1af630](https://jmrobles.medium.com/libretranslate-your-own-translation-service-on-kubernetes-b46c3e1af630)
- [https://github.com/LibreTranslate/LibreTranslate](https://github.com/LibreTranslate/LibreTranslate)

45
chart/templates/NOTES.txt
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@ -1,45 +0,0 @@
1. Get the application URL by running these commands:
{{- if .Values.ingress.enabled }}
http{{ if .Values.ingress.tls }}s{{ end }}://{{ index .Values.ingress.hosts 0 "host" }}{{ index .Values.ingress.hosts 0 "paths" 0 "path" }}
{{- if .name }}
- http{{ if .Values.ingress.tls }}s{{ end }}://{{ .name }}{{ .path }}
{{- end }}
{{- else if contains "NodePort" .Values.service.type }}
export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ include "libretranslate.fullname" . }})
export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")
echo http://$NODE_IP:$NODE_PORT
{{- else if contains "LoadBalancer" .Values.service.type }}
NOTE: It may take a few minutes for the LoadBalancer IP to be available.
You can watch the status of by running 'kubectl get svc -w {{ include "libretranslate.fullname" . }}'
export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "libretranslate.fullname" . }} --template "{{"{{ range (index .status.loadBalancer.ingress 0) }}{{.}}{{ end }}"}}")
echo http://$SERVICE_IP:{{ .Values.service.port }}
{{- else if contains "ClusterIP" .Values.service.type }}
export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app.kubernetes.io/name={{ include "libretranslate.name" . }},app.kubernetes.io/instance={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")
echo "Visit http://127.0.0.1:8080 to use your application"
kubectl --namespace {{ .Release.Namespace }} port-forward $POD_NAME 8080:{{ .Values.service.port }}
{{- end }}
2. Get your admin username and password:
USER=$(kubectl get secret {{ include "libretranslate.fullname" . }}-auth -o jsonpath="{.data.username}" | base64 --decode)
PASSWORD=$(kubectl get secret {{ include "libretranslate.fullname" . }}-auth -o jsonpath="{.data.password}" | base64 --decode)
echo "Username: $USER"
echo "Password: $PASSWORD"
3. Manage your LibreTranslate API keys:
If you setted `--api-keys true` to use the api keys in the StatefulSet, you can manage them with the following commands:
# this will add an api key with a limit of 120 requests per minute
kubectl exec -it {{ include "libretranslate.fullname" . }}-0 -c {{ include "libretranslate.fullname" . }} -- /bin/bash -c "source ./venv/bin/activate && ltmanage keys add --key req-limit-120 120"
# returns a list of all api keys
kubectl exec -it {{ include "libretranslate.fullname" . }}-0 -c {{ include "libretranslate.fullname" . }} -- /bin/bash -c "source ./venv/bin/activate && ltmanage keys"
# remove an api key
kubectl exec -it {{ include "libretranslate.fullname" . }}-0 -c {{ include "libretranslate.fullname" . }} -- /bin/bash -c "source ./venv/bin/activate && ltmanage keys remove req-limit-120"
*** Be aware that the api keys are stored in a sqlite database in the pod. If you scale the pod to multiple replicas, the api keys will not be synced between the pods. You can use a shared storage to sync the api keys between the pods. For example, you can use a NFS storage class with a ReadWriteMany access mode to store the api keys in a shared perspective. ***
```

51
chart/templates/_helpers.tpl
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@ -1,51 +0,0 @@
{{/* vim: set filetype=mustache: */}}
{{/*
Expand the name of the chart.
*/}}
{{- define "libretranslate.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).
*/}}
{{- define "libretranslate.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 "libretranslate.chart" -}}
{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
{{- end }}
{{/*
Common labels
*/}}
{{- define "libretranslate.labels" -}}
helm.sh/chart: {{ include "libretranslate.chart" . }}
{{ include "libretranslate.selectorLabels" . }}
{{- if .Chart.AppVersion }}
app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
{{- end }}
app.kubernetes.io/managed-by: {{ .Release.Service }}
{{- end }}
{{/*
Selector labels
*/}}
{{- define "libretranslate.selectorLabels" -}}
app.kubernetes.io/name: {{ include "libretranslate.name" . }}
app.kubernetes.io/instance: {{ .Release.Name }}
{{- end }}

39
chart/templates/configmap.yaml
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@ -1,39 +0,0 @@
apiVersion: v1
kind: ConfigMap
metadata:
name: libretranslate-config
data:
host: {{ .Values.appConfig.host | squote }}
port: {{ .Values.appConfig.port | squote }}
charLimit: {{ .Values.appConfig.charLimit | squote }}
reqLimit: {{ .Values.appConfig.reqLimit | squote }}
reqLimitStorage: {{ .Values.appConfig.reqLimitStorage | squote }}
batchLimit: {{ .Values.appConfig.batchLimit | squote }}
gaId: {{ .Values.appConfig.gaId | squote }}
frontendLanguageSource: {{ .Values.appConfig.frontendLanguageSource | squote }}
frontendLanguageTarget: {{ .Values.appConfig.frontendLanguageTarget | squote }}
frontendTimeout: {{ .Values.appConfig.frontendTimeout | squote }}
apiKeysDbPath: {{ .Values.appConfig.apiKeysDbPath | squote }}
apiKeysRemote: {{ .Values.appConfig.apiKeysRemote | squote }}
getApiKeyLink: {{ .Values.appConfig.getApiKeyLink | squote }}
sharedStorage: {{ .Values.appConfig.sharedStorage | squote }}
loadOnly: {{ .Values.appConfig.loadOnly | squote }}
threads: {{ .Values.appConfig.threads | squote }}
metricsAuthToken: {{ .Values.appConfig.metricsAuthToken | squote }}
urlPrefix: {{ .Values.appConfig.urlPrefix | squote }}
---
apiVersion: v1
kind: ConfigMap
metadata:
name: libretranslate-appsettings
data:
debug: {{ .Values.appSettings.debug | squote }}
ssl: {{ .Values.appSettings.ssl | squote }}
apiKeys: {{ .Values.appSettings.apiKeys | squote }}
requireApiKeyOrigin: {{ .Values.appSettings.requireApiKeyOrigin | squote }}
requireApiKeySecret: {{ .Values.appSettings.requireApiKeySecret | squote }}
suggestions: {{ .Values.appSettings.suggestions | squote }}
disableFilesTranslation: {{ .Values.appSettings.disableFilesTranslation | squote }}
disableWebUi: {{ .Values.appSettings.disableWebUi | squote }}
updateModels: {{ .Values.appSettings.updateModels | squote }}
metrics: {{ .Values.appSettings.metrics | squote }}

40
chart/templates/ingress.yaml
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@ -1,40 +0,0 @@
{{- if .Values.ingress.enabled -}}
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: {{ include "libretranslate.fullname" . }}
labels:
{{- include "libretranslate.labels" . | nindent 4 }}
annotations:
{{- toYaml .Values.ingress.annotations | nindent 4 }}
spec:
{{- if .Values.ingress.className }}
ingressClassName: {{ .Values.ingress.className }}
{{- end }}
{{- if .Values.ingress.tls }}
tls:
{{- range .Values.ingress.tls }}
- hosts:
{{- range .hosts }}
- {{ . | quote }}
{{- end }}
secretName: {{ .secretName }}
{{- end }}
{{- end }}
rules:
{{- range .Values.ingress.hosts }}
- host: {{ .host | quote }}
http:
paths:
{{- $fullName := include "libretranslate.fullname" $ }}
{{- range .paths }}
- path: {{ .path }}
pathType: {{ .pathType }}
backend:
service:
name: {{ include "libretranslate.fullname" $ }}
port:
number: {{ $.Values.service.port }}
{{- end }}
{{- end }}
{{- end }}

36
chart/templates/pvc.yaml
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@ -1,36 +0,0 @@
{{- if and .Values.persistence.enabled (eq .Values.persistence.db.accessMode "ReadWriteMany") }}
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: db-volume
labels:
app.kubernetes.io/name: {{ include "libretranslate.name" . }}-pv
spec:
accessModes:
- {{ .Values.persistence.db.accessMode }}
resources:
requests:
storage: {{ .Values.persistence.db.size }}
{{- if .Values.persistence.db.storageClass }}
storageClassName: {{ .Values.persistence.db.storageClass | quote }}
{{- end }}
{{- end }}
{{- if and .Values.persistence.enabled (eq .Values.persistence.models.accessMode "ReadWriteMany") }}
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: models-volume
labels:
app.kubernetes.io/name: {{ include "libretranslate.name" . }}-pvc
spec:
accessModes:
- {{ .Values.persistence.models.accessMode }}
resources:
requests:
storage: {{ .Values.persistence.models.size }}
{{- if .Values.persistence.models.storageClass }}
storageClassName: {{ .Values.persistence.models.storageClass | quote }}
{{- end }}
{{- end }}

9
chart/templates/secret.yaml
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@ -1,9 +0,0 @@
apiVersion: v1
kind: Secret
metadata:
name: {{ include "libretranslate.fullname" . }}-auth
type: Opaque
data:
auth: {{ .Values.adminUser.auth | quote }}
username: {{ .Values.adminUser.name | quote }}
password: {{ .Values.adminUser.password | quote }}

15
chart/templates/service.yaml
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@ -1,15 +0,0 @@
apiVersion: v1
kind: Service
metadata:
name: {{ include "libretranslate.fullname" . }}
labels:
{{- include "libretranslate.labels" . | nindent 4 }}
spec:
type: {{ .Values.service.type }}
ports:
- port: {{ .Values.service.port }}
targetPort: http
protocol: TCP
name: http
selector:
{{- include "libretranslate.selectorLabels" . | nindent 4 }}

344
chart/templates/statefulset.yaml
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@ -1,344 +0,0 @@
apiVersion: apps/v1
kind: StatefulSet
metadata:
name: {{ include "libretranslate.fullname" . }}
labels:
{{- include "libretranslate.labels" . | nindent 4 }}
{{- if .Values.annotations }}
annotations:
{{- toYaml .Values.annotations | nindent 4 }}
{{- end }}
spec:
replicas: {{ .Values.replicaCount }}
selector:
matchLabels:
{{- include "libretranslate.selectorLabels" . | nindent 6 }}
template:
metadata:
annotations:
{{- if .Values.podAnnotations }}
{{- toYaml .Values.podAnnotations | nindent 8 }}
{{- end }}
checksum/config: {{ include (print $.Template.BasePath "/configmap.yaml") . | sha256sum }}
checksum/secret: {{ include (print $.Template.BasePath "/secret.yaml") . | sha256sum }}
labels:
{{- include "libretranslate.selectorLabels" . | nindent 8 }}
spec:
{{- if .Values.imagePullSecrets }}
imagePullSecrets:
{{ toYaml .Values.imagePullSecrets | indent 8 }}
{{- end }}
{{- if .Values.securityContext }}
# forces the mount of the volumes to be mounted as libretranslate user and group
# and set permissions to libretranslate:libretranslate
securityContext:
{{- toYaml .Values.securityContext | nindent 8 }}
{{- end }}
{{- if .Values.persistence.enabled }}
initContainers:
- name: volume-permissions-and-pre-install-models
image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
command:
- /bin/bash
- -c
- |
mkdir -p /home/libretranslate/.local/share/argos-translate/packages
chown -R 1032:1032 /home/libretranslate/.local /app/db
if [ ! "$(ls -A /home/libretranslate/.local/share/argos-translate/packages)" ]; then
echo "Installing models... this can take quite a while depending on your internet connection."
/app/venv/bin/python /app/scripts/install_models.py --load_only_lang_codes {{ .Values.appConfig.loadOnly | quote }}
else
echo "The models directory is not empty, skipping model installation."
fi
volumeMounts:
- name: models-volume
mountPath: /home/libretranslate/.local/share/argos-translate
- name: db-volume
mountPath: {{ .Values.appConfig.apiKeysDbPathMount }}
{{- if .Values.initContainerSecurityContext }}
securityContext:
# forces the mount of the volumes to be mounted as libretranslate user and group
# and set permissions to libretranslate:libretranslate
{{- toYaml .Values.initContainerSecurityContext | nindent 12 }}
{{- end }}
{{- end }}
containers:
- name: {{ .Chart.Name }}
image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
imagePullPolicy: {{ .Values.image.pullPolicy }}
ports:
- name: http
containerPort: {{ .Values.service.port }}
protocol: TCP
resources:
{{- toYaml .Values.resources | nindent 12 }}
securityContext:
{{- if .Values.podSecurityContext }}
# forces the mount of the volumes to be mounted as libretranslate user and group
# and set permissions to libretranslate:libretranslate
{{- toYaml .Values.podSecurityContext | nindent 12 }}
{{- end }}
allowPrivilegeEscalation: false
readinessProbe:
{{- toYaml .Values.readinessProbe | nindent 12 }}
livenessProbe:
{{- toYaml .Values.livenessProbe | nindent 12 }}
env:
{{- if and (.Values.appSettings.debug) (ne .Values.appSettings.debug "") }}
- name: LT_DEBUG
valueFrom:
configMapKeyRef:
name: libretranslate-appsettings
key: debug
{{- end }}
{{- if and (.Values.appSettings.ssl) (ne .Values.appSettings.ssl "") }}
- name: LT_SSL
valueFrom:
configMapKeyRef:
name: libretranslate-appsettings
key: ssl
{{- end }}
{{- if and (.Values.appSettings.apiKeys) (ne .Values.appSettings.apiKeys "") }}
- name: LT_API_KEYS
valueFrom:
configMapKeyRef:
name: libretranslate-appsettings
key: apiKeys
{{- end }}
{{- if and (.Values.appSettings.requireApiKeyOrigin) (ne .Values.appSettings.requireApiKeyOrigin "") }}
- name: LT_REQUIRE_API_KEY_ORIGIN
valueFrom:
configMapKeyRef:
name: libretranslate-appsettings
key: requireApiKeyOrigin
{{- end }}
{{- if and (.Values.appSettings.requireApiKeySecret) (ne .Values.appSettings.requireApiKeySecret "") }}
- name: LT_REQUIRE_API_KEY_SECRET
valueFrom:
configMapKeyRef:
name: libretranslate-appsettings
key: requireApiKeySecret
{{- end }}
{{- if and (.Values.appSettings.suggestions) (ne .Values.appSettings.suggestions "") }}
- name: LT_SUGGESTIONS
valueFrom:
configMapKeyRef:
name: libretranslate-appsettings
key: suggestions
{{- end }}
{{- if and (.Values.appSettings.disableFilesTranslation) (ne .Values.appSettings.disableFilesTranslation "") }}
- name: LT_DISABLE_FILES_TRANSLATION
valueFrom:
configMapKeyRef:
name: libretranslate-appsettings
key: disableFilesTranslation
{{- end }}
{{- if and (.Values.appSettings.disableWebUi) (ne .Values.appSettings.disableWebUi "") }}
- name: LT_DISABLE_WEB_UI
valueFrom:
configMapKeyRef:
name: libretranslate-appsettings
key: disableWebUi
{{- end }}
{{- if and (.Values.appSettings.updateModels) (ne .Values.appSettings.updateModels "") }}
- name: LT_UPDATE_MODELS
valueFrom:
configMapKeyRef:
name: libretranslate-appsettings
key: updateModels
{{- end }}
{{- if and (.Values.appSettings.metrics) (ne .Values.appSettings.metrics "") }}
- name: LT_METRICS
valueFrom:
configMapKeyRef:
name: libretranslate-appsettings
key: metrics
{{- end }}
{{- if and (.Values.appConfig.host) (ne .Values.appConfig.host "") }}
- name: LT_HOST
valueFrom:
configMapKeyRef:
name: libretranslate-config
key: host
{{- end }}
{{- if and (.Values.appSettings.port) (ne .Values.appSettings.port "") }}
- name: LT_PORT
valueFrom:
configMapKeyRef:
name: libretranslate-config
key: port
{{- end }}
{{- if and (.Values.appConfig.charLimit) (ne .Values.appConfig.charLimit "") }}
- name: LT_CHAR_LIMIT
valueFrom:
configMapKeyRef:
name: libretranslate-config
key: charLimit
{{- end }}
{{- if and (.Values.appConfig.reqLimit) (ne .Values.appConfig.reqLimit "") }}
- name: LT_REQ_LIMIT
valueFrom:
configMapKeyRef:
name: libretranslate-config
key: reqLimit
{{- end }}
{{- if and (.Values.appConfig.reqLimitStorage) (ne .Values.appConfig.reqLimitStorage "") }}
- name: LT_REQ_LIMIT_STORAGE
valueFrom:
configMapKeyRef:
name: libretranslate-config
key: reqLimitStorage
{{- end }}
{{- if and (.Values.appConfig.batchLimit) (ne .Values.appConfig.batchLimit "") }}
- name: LT_BATCH_LIMIT
valueFrom:
configMapKeyRef:
name: libretranslate-config
key: batchLimit
{{- end }}
{{- if and (.Values.appConfig.gaId) (ne .Values.appConfig.gaId "") }}
- name: LT_GA_ID
valueFrom:
configMapKeyRef:
name: libretranslate-config
key: gaId
{{- end }}
{{- if and (.Values.appConfig.frontendLanguageSource) (ne .Values.appConfig.frontendLanguageSource "") }}
- name: LT_FRONTEND_LANGUAGE_SOURCE
valueFrom:
configMapKeyRef:
name: libretranslate-config
key: frontendLanguageSource
{{- end }}
{{- if and (.Values.appConfig.frontendLanguageTarget) (ne .Values.appConfig.frontendLanguageTarget "") }}
- name: LT_FRONTEND_LANGUAGE_TARGET
valueFrom:
configMapKeyRef:
name: libretranslate-config
key: frontendLanguageTarget
{{- end }}
{{- if and (.Values.appConfig.frontendTimeout) (ne .Values.appConfig.frontendTimeout "") }}
- name: LT_FRONTEND_TIMEOUT
valueFrom:
configMapKeyRef:
name: libretranslate-config
key: frontendTimeout
{{- end }}
{{- if and (.Values.appSettings.apiKeysDbPath) (ne .Values.appSettings.apiKeysDbPath "") }}
- name: LT_API_KEYS_DB_PATH
valueFrom:
configMapKeyRef:
name: libretranslate-config
key: apiKeysDbPath
{{- end }}
{{- if and (.Values.appSettings.apiKeysRemote) (ne .Values.appSettings.apiKeysRemote "") }}
- name: LT_API_KEYS_REMOTE
valueFrom:
configMapKeyRef:
name: libretranslate-config
key: apiKeysRemote
{{- end }}
{{- if and (.Values.appConfig.getApiKeyLink) (ne .Values.appConfig.getApiKeyLink "") }}
- name: LT_GET_API_KEY_LINK
valueFrom:
configMapKeyRef:
name: libretranslate-config
key: getApiKeyLink
{{- end }}
{{- if and (.Values.appConfig.sharedStorage) (ne .Values.appConfig.sharedStorage "") }}
- name: LT_SHARED_STORAGE
valueFrom:
configMapKeyRef:
name: libretranslate-config
key: sharedStorage
{{- end }}
{{- if and (.Values.appConfig.loadOnly) (ne .Values.appConfig.loadOnly "") }}
- name: LT_LOAD_ONLY
valueFrom:
configMapKeyRef:
name: libretranslate-config
key: loadOnly
{{- end }}
{{- if and (.Values.appConfig.threads) (ne .Values.appConfig.threads "") }}
- name: LT_THREADS
valueFrom:
configMapKeyRef:
name: libretranslate-config
key: threads
{{- end }}
{{- if and (.Values.appSettings.metricsAuthToken) (ne .Values.appSettings.metricsAuthToken "") }}
- name: LT_METRICS_AUTH_TOKEN
valueFrom:
configMapKeyRef:
name: libretranslate-config
key: metricsAuthToken
{{- end }}
{{- if and (.Values.appConfig.urlPrefix) (ne .Values.appConfig.urlPrefix "") }}
- name: LT_URL_PREFIX
valueFrom:
configMapKeyRef:
name: libretranslate-config
key: urlPrefix
{{- end }}
{{- if .Values.persistence.enabled }}
volumeMounts:
- name: db-volume
mountPath: {{ .Values.appConfig.apiKeysDbPathMount }}
- name: models-volume
mountPath: /home/libretranslate/.local/share/argos-translate
{{- end }}
{{- if and .Values.persistence.enabled (or (eq .Values.persistence.models.accessMode "ReadWriteMany") (eq .Values.persistence.db.accessMode "ReadWriteMany")) }}
volumes:
{{- if eq .Values.persistence.db.accessMode "ReadWriteMany" }}
- name: db-volume
persistentVolumeClaim:
claimName: db-volume
{{- end }}
{{- if eq .Values.persistence.models.accessMode "ReadWriteMany" }}
- name: models-volume
persistentVolumeClaim:
claimName: models-volume
{{- end }}
{{- end }}
{{- if .Values.tolerations }}
tolerations:
{{- toYaml .Values.tolerations | nindent 6 }}
{{- end }}
{{- if and .Values.persistence.enabled (or (eq .Values.persistence.models.accessMode "ReadWriteOnce") (eq .Values.persistence.db.accessMode "ReadWriteOnce")) }}
# still in beta, but this will allow us to delete the volumes when the statefulset is scaled down
persistentVolumeClaimRetentionPolicy:
whenDeleted: Retain
whenScaled: Delete
volumeClaimTemplates:
{{- if eq .Values.persistence.models.accessMode "ReadWriteOnce" }}
- metadata:
name: models-volume
labels:
{{- include "libretranslate.labels" . | nindent 8 }}
spec:
accessModes:
- {{ .Values.persistence.models.accessMode }}
resources:
requests:
storage: {{ .Values.persistence.models.size }}
{{- if .Values.persistence.models.storageClass }}
storageClassName: {{ .Values.persistence.models.storageClass | quote }}
{{- end }}
{{- end }}
{{- if eq .Values.persistence.db.accessMode "ReadWriteOnce" }}
- metadata:
name: db-volume
labels:
{{- include "libretranslate.labels" . | nindent 8 }}
spec:
accessModes:
- {{ .Values.persistence.db.accessMode }}
resources:
requests:
storage: {{ .Values.persistence.db.size }}
{{- if .Values.persistence.db.storageClass }}
storageClassName: {{ .Values.persistence.db.storageClass | quote }}
{{- end }}
{{- end }}
{{- end }}

164
chart/values.yaml
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@ -1,164 +0,0 @@
# values.yaml
# Number of replicas
replicaCount: 1
# Extra annotations for pods
podAnnotations: {}
# Extra annotations
annotations: {}
# Extra tolerations for pods
tolerations: []
# Chart name override
nameOverride: ""
# Full name of the deployment to override the default one
fullnameOverride: ""
# Image settings
image:
repository: libretranslate/libretranslate
pullPolicy: Always
tag: "latest"
# Using a Private Registry
# If you want to use a custom image from a private registry, you'll need to create an image pull secret with the registry's credentials:
# kubectl create secret docker-registry my-registry-secret --docker-server=DOCKER_REGISTRY_SERVER --docker-username=DOCKER_USER --docker-password=DOCKER_PASSWORD --docker-email=DOCKER_EMAIL
# imagePullSecrets:
# - name: my-registry-secret
imagePullSecrets: []
# Service settings
service:
type: ClusterIP
port: 5000
# Ingress settings
ingress:
enabled: false
className: "" # set this to the name of the ingress controller class to use like nginx
annotations:
# cert-manager.io/cluster-issuer: "letsencrypt-prod"
nginx.ingress.kubernetes.io/proxy-body-size: 10m
# Check for the adminUser key below.
# This will enable basic auth for the whole site.
# nginx.ingress.kubernetes.io/auth-type: basic
# nginx.ingress.kubernetes.io/auth-secret: libretranslate-auth
# nginx.ingress.kubernetes.io/auth-realm: 'Authentication Required'
hosts:
- host: translate.example.com
paths:
- path: /
pathType: Prefix
# tls:
# - secretName: libretranslate-secret-tls
# hosts:
# - translate.example.com
# Security Context
securityContext:
fsGroup: 1032
# Security Context for init container
initContainerSecurityContext:
runAsUser: 0
runAsGroup: 0
# Pod Security Context
podSecurityContext:
runAsUser: 1032
runAsGroup: 1032
# Persistent settings
# if you don't want to download a copy of the models per pod, you can use a shared storage like an nfs storage class
# and set it to ReadWriteMany. this way if you scale the pods later on, they will all use the same models and won't
# duplicate the space and download requests.
persistence:
enabled: false
db:
storageClass: ""
accessMode: "ReadWriteOnce"
size: "1Gi"
models:
storageClass: ""
accessMode: "ReadWriteOnce"
size: "10Gi" # as of August 2023, the models are about 6.6GB in size for all languages
# Resource limits
resources:
limits:
cpu: 1
memory: 2Gi
requests:
cpu: 500m
memory: 1Gi
# Readiness probe for kubernetes
readinessProbe:
exec:
command:
- /app/venv/bin/python
- /app/scripts/healthcheck.py
initialDelaySeconds: 10
periodSeconds: 5
# Liveness probe for kubernetes
livenessProbe:
exec:
command:
- /app/venv/bin/python
- scripts/healthcheck.py
initialDelaySeconds: 10
periodSeconds: 5
# Auth secret for basic authentication
# generate base64-user-password-pair with:
# htpasswd -nb <username> <password> | base64
#
# e.g.:
#
# htpasswd -nb admin mySecretPassword | base64
# This is used by the nginx ingress controller to enable basic auth for the whole site.
# It will create a secret with the name libretranslate-auth.
adminUser:
name: "YWRtaW4K" # copy the username in base64 as a reference
auth: "YWRtaW46JGFwcjEkYlpydmYvUFYkSHBHSlhqZU1EN0ZON2kyYndsMVRNMQoK" # copy the output from the htpasswd command here as a reference
password: "bXlTZWNyZXRQYXNzd29yZAo=" # copy the password as base64 for the admin user here as a reference
# Settings / Flags
appSettings:
debug: "false" # Enable debug environment (Default: Disabled)
ssl: "false" # Enable SSL (Default: Disabled)
apiKeys: "false" # Enable API keys database for per-client rate limits when --req-limit is reached (Default: Don't use API keys)
requireApiKeyOrigin: "" # Require use of an API key for programmatic access to the API, unless the request origin matches this domain (Default: No restrictions on domain origin)
requireApiKeySecret: "" # Require use of an API key for programmatic access to the API, unless the client also sends a secret match (Default: No secrets required)
suggestions: "false" # Allow user suggestions (Default: Disabled)
disableFilesTranslation: "false" # Disable files translation (Default: File translation allowed)
disableWebUi: "false" # Disable web ui (Default: Web Ui enabled)
updateModels: "false" # Update language models at startup (Default: Only on if no models found)
metrics: "false" # Enable the /metrics endpoint for exporting Prometheus usage metrics (Default: Disabled)
# Configuration Parameters
appConfig:
host: "0.0.0.0" # Set host to bind the server to (Default: 127.0.0.1)
port: "5000" # Set port to bind the server to (Default: 5000)
charLimit: "null" # Set character limit (Default: No limit)
reqLimit: "null" # Set maximum number of requests per minute per client (outside of limits set by api keys) (Default: No limit)
reqLimitStorage: "memory://" # Storage URI to use for request limit data storage. See Flask Limiter (Default: memory://)
batchLimit: "null" # Set maximum number of texts to translate in a batch request (Default: No limit)
gaId: "" # Enable Google Analytics on the API client page by providing an ID (Default: Empty (no tracking))
frontendLanguageSource: "auto" # Set frontend default language - source (Default: auto)
frontendLanguageTarget: "locale" # Set frontend default language - target (Default: locale (match site's locale))
frontendTimeout: "500" # Set frontend translation timeout (Default: 500)
apiKeysDbPath: "/app/db/api_keys.db" # Use a specific path inside the container for the local database. Can be absolute or relative (Default: /app/db/api_keys.db)
apiKeysDbPathMount: "/app/db" # Use a specific path inside the container for the local database. Must be the same as apiKeysDbPath (Default: /app/db)
apiKeysRemote: "" # Use this remote endpoint to query for valid API keys instead of using the local database (Default: Empty (use local db instead))
getApiKeyLink: "" # Show a link in the UI where to direct users to get an API key (Default: Empty (no link shown on web ui))
sharedStorage: "memory://" # Shared storage URI to use for multi-process data sharing (e.g. when using gunicorn) (Default: memory://)
loadOnly: "" # Set available languages (Default: Empty (use all from argostranslate))
threads: "4" # Set number of threads (Default: 4)
metricsAuthToken: "" # Protect the /metrics endpoint by allowing only clients that have a valid Authorization Bearer token (Default: Empty (no auth required))
urlPrefix: "" # Add prefix to URL: example.com:5000/url-prefix/ (Default: /)