ragflow/helm/templates/frontend.yaml

{{- $component := "frontend" }}
{{- $name := include "ragflow.componentFullname" (dict "root" . "component" $component) }}
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: {{ $name }}
  labels:
    {{- include "ragflow.labels" . | nindent 4 }}
    app.kubernetes.io/component: {{ $component }}
spec:
  replicas: {{ .Values.ragflow.frontend.replicaCount }}
  {{- with .Values.ragflow.frontend.deployment.strategy }}
  strategy:
    {{- toYaml . | nindent 4 }}
  {{- end }}
  selector:
    matchLabels:
      {{- include "ragflow.selectorLabels" . | nindent 6 }}
      app.kubernetes.io/component: {{ $component }}
  template:
    metadata:
      labels:
        {{- include "ragflow.selectorLabels" . | nindent 8 }}
        app.kubernetes.io/component: {{ $component }}
      {{- with .Values.ragflow.frontend.podAnnotations }}
      annotations:
        {{- toYaml . | nindent 8 }}
      {{- end }}
    spec:
      {{- $globalPullSecrets := .Values.imagePullSecrets }}
      {{- $basePullSecrets := .Values.ragflow.image.pullSecrets }}
      {{- $frontendImage := default (dict) .Values.ragflow.frontend.image }}
      {{- $componentPullSecrets := default list $frontendImage.pullSecrets }}
      {{- if or (or $globalPullSecrets $basePullSecrets) $componentPullSecrets }}
      imagePullSecrets:
        {{- with $globalPullSecrets }}
        {{- toYaml . | nindent 8 }}
        {{- end }}
        {{- with $basePullSecrets }}
        {{- toYaml . | nindent 8 }}
        {{- end }}
        {{- with $componentPullSecrets }}
        {{- toYaml . | nindent 8 }}
        {{- end }}
      {{- end }}
      containers:
        - name: {{ $component }}
          {{- $imageRepository := default .Values.ragflow.image.repository $frontendImage.repository }}
          {{- $imageTag := default .Values.ragflow.image.tag $frontendImage.tag }}
          image: {{ printf "%s:%s" $imageRepository $imageTag }}
          {{- $pullPolicy := default .Values.ragflow.image.pullPolicy $frontendImage.pullPolicy }}
          {{- with $pullPolicy }}
          imagePullPolicy: {{ . }}
          {{- end }}
          command:
            - /bin/bash
            - -lc
            - |
              set -eo pipefail
              rm -f /var/run/nginx.pid
              mkdir -p /var/log/nginx
              rm -f /var/log/nginx/access.log /var/log/nginx/error.log
              ln -sf /proc/1/fd/1 /var/log/nginx/access.log
              ln -sf /proc/1/fd/2 /var/log/nginx/error.log

              calculate_workers() {
                local quota="$1"
                local period="$2"
                if [[ "${quota}" == "max" ]]; then
                  echo ""
                  return
                fi
                if [[ "${quota}" -gt 0 && "${period}" -gt 0 ]]; then
                  echo $(( (quota + period - 1) / period ))
                else
                  echo ""
                fi
              }

              detect_worker_processes() {
                local workers=""
                if [[ -f /sys/fs/cgroup/cpu.max ]]; then
                  read -r quota period < /sys/fs/cgroup/cpu.max || true
                  workers=$(calculate_workers "${quota}" "${period}")
                elif [[ -f /sys/fs/cgroup/cpu/cpu.cfs_quota_us ]]; then
                  quota=$(cat /sys/fs/cgroup/cpu/cpu.cfs_quota_us 2>/dev/null || echo "")
                  period=$(cat /sys/fs/cgroup/cpu/cpu.cfs_period_us 2>/dev/null || echo "")
                  workers=$(calculate_workers "${quota:-0}" "${period:-0}")
                fi

                if [[ -z "${workers}" ]]; then
                  workers=$(nproc 2>/dev/null || echo "")
                fi

                if [[ -z "${workers}" || "${workers}" -le 0 ]]; then
                  workers=1
                fi

                echo "${workers}"
              }

              workers="$(detect_worker_processes)"
              export NGINX_WORKER_PROCESSES="${workers}"

              tmp_nginx_dir="$(mktemp -d)"
              if command -v envsubst >/dev/null 2>&1; then
                envsubst '${NGINX_WORKER_PROCESSES}' </etc/nginx/nginx.conf > "${tmp_nginx_dir}/nginx.conf"
              else
                sed "s|\${NGINX_WORKER_PROCESSES}|${NGINX_WORKER_PROCESSES}|g" /etc/nginx/nginx.conf > "${tmp_nginx_dir}/nginx.conf"
              fi

              exec /usr/sbin/nginx -c "${tmp_nginx_dir}/nginx.conf" -g 'daemon off;'
          ports:
            - name: http
              containerPort: 80
          envFrom:
            - secretRef:
                name: {{ include "ragflow.fullname" . }}-env-config
          {{- with .Values.ragflow.frontend.extraEnv }}
          env:
            {{- toYaml . | nindent 12 }}
          {{- end }}
          {{- $probes := default (dict) .Values.ragflow.frontend.probes }}
          {{- if $probes.liveness }}
          livenessProbe:
            {{- toYaml $probes.liveness | nindent 12 }}
          {{- else }}
          livenessProbe:
            httpGet:
              path: /healthz
              port: http
            initialDelaySeconds: 10
            periodSeconds: 10
            timeoutSeconds: 5
            failureThreshold: 3
            successThreshold: 1
          {{- end }}
          {{- if $probes.readiness }}
          readinessProbe:
            {{- toYaml $probes.readiness | nindent 12 }}
          {{- else }}
          readinessProbe:
            httpGet:
              path: /healthz
              port: http
            initialDelaySeconds: 5
            periodSeconds: 5
            timeoutSeconds: 3
            failureThreshold: 3
            successThreshold: 1
          {{- end }}
          {{- if $probes.startup }}
          startupProbe:
            {{- toYaml $probes.startup | nindent 12 }}
          {{- else }}
          startupProbe:
            httpGet:
              path: /healthz
              port: http
            periodSeconds: 10
            failureThreshold: 30
          {{- end }}
          volumeMounts:
            - mountPath: /etc/nginx/conf.d/ragflow.conf
              subPath: ragflow.conf
              name: nginx-config
            - mountPath: /etc/nginx/proxy.conf
              subPath: proxy.conf
              name: nginx-config
            - mountPath: /etc/nginx/nginx.conf
              subPath: nginx.conf
              name: nginx-config
          {{- with .Values.ragflow.frontend.deployment.resources }}
          resources:
            {{- toYaml . | nindent 12 }}
          {{- end }}
      volumes:
        - name: nginx-config
          configMap:
            name: nginx-config
---
apiVersion: v1
kind: Service
metadata:
  name: {{ $name }}
  labels:
    {{- include "ragflow.labels" . | nindent 4 }}
    app.kubernetes.io/component: {{ $component }}
spec:
  type: {{ .Values.ragflow.frontend.service.type }}
  selector:
    {{- include "ragflow.selectorLabels" . | nindent 4 }}
    app.kubernetes.io/component: {{ $component }}
  ports:
    - name: http
      port: {{ .Values.ragflow.frontend.service.port }}
      targetPort: http