{{- if and .Values.alertmanager.enabled .Values.alertmanager.ingress.enabled }}
{{- $pathType := .Values.alertmanager.ingress.pathType | default "" }}
{{- $serviceName := printf "%s-%s" (include "kube-prometheus-stack.fullname" .) "alertmanager" }}
{{- $servicePort := .Values.alertmanager.service.port -}}
{{- $routePrefix := list .Values.alertmanager.alertmanagerSpec.routePrefix }}
{{- $paths := .Values.alertmanager.ingress.paths | default $routePrefix -}}
{{- if .Capabilities.APIVersions.Has "networking.k8s.io/v1" -}}
apiVersion: networking.k8s.io/v1
  {{- else if .Capabilities.APIVersions.Has "networking.k8s.io/v1beta1" -}}
apiVersion: networking.k8s.io/v1beta1
  {{- else -}}
apiVersion: extensions/v1beta1
  {{- end }}
kind: Ingress
metadata:
  name: {{ $serviceName }}
  namespace: {{ template "kube-prometheus-stack.namespace" . }}
{{- if .Values.alertmanager.ingress.annotations }}
  annotations:
{{ toYaml .Values.alertmanager.ingress.annotations | indent 4 }}
{{- end }}
  labels:
    app: {{ template "kube-prometheus-stack.name" . }}-alertmanager
{{- if .Values.alertmanager.ingress.labels }}
{{ toYaml .Values.alertmanager.ingress.labels | indent 4 }}
{{- end }}
{{ include "kube-prometheus-stack.labels" . | indent 4 }}
spec:
  {{- if or (.Capabilities.APIVersions.Has "networking.k8s.io/v1") (.Capabilities.APIVersions.Has "networking.k8s.io/v1beta1") }}
  {{- if .Values.alertmanager.ingress.ingressClassName }}
  ingressClassName: {{ .Values.alertmanager.ingress.ingressClassName }}
  {{- end }}
  {{- end }}
  rules:
  {{- if .Values.alertmanager.ingress.hosts }}
  {{- range $host := .Values.alertmanager.ingress.hosts }}
    - host: {{ tpl $host $ }}
      http:
        paths:
  {{- range $p := $paths }}
          - path: {{ tpl $p $ }}
            {{- if $pathType }}
            pathType: {{ $pathType }}
            {{- end }}
            backend:
              {{- if $.Capabilities.APIVersions.Has "networking.k8s.io/v1" }}
              service:
                name: {{ $serviceName }}
                port:
                  number: {{ $servicePort }}
              {{- else }}
              serviceName: {{ $serviceName }}
              servicePort: {{ $servicePort }}
    {{- end }}
    {{- end -}}
  {{- end -}}
  {{- else }}
    - http:
        paths:
  {{- range $p := $paths }}
          - path: {{ tpl $p $ }}
            {{- if $pathType }}
            pathType: {{ $pathType }}
            {{- end }}
            backend:
              {{- if $.Capabilities.APIVersions.Has "networking.k8s.io/v1" }}
              service:
                name: {{ $serviceName }}
                port:
                  number: {{ $servicePort }}
              {{- else }}
              serviceName: {{ $serviceName }}
              servicePort: {{ $servicePort }}
  {{- end }}
  {{- end -}}
  {{- end -}}
  {{- if .Values.alertmanager.ingress.tls }}
  tls:
{{ tpl (toYaml .Values.alertmanager.ingress.tls | indent 4) . }}
  {{- end -}}
{{- end -}}