Helm Charts: add admin and worker to helm charts (#7688)

* add admin and worker to helm charts

* workers are stateless, admin is stateful

* removed the duplicate admin-deployment.yaml

* address comments

* address comments

* purge

* Update README.md

* Update k8s/charts/seaweedfs/templates/admin/admin-ingress.yaml

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* address comments

* address comments

* supports Kubernetes versions from v1.14 to v1.30+, ensuring broad compatibility

* add probe for workers

* address comments

* add a todo

* chore: trigger CI

* use port name for probes in admin statefulset

* fix: remove trailing blank line in values.yaml

* address code review feedback

- Quote admin credentials in shell command to handle special characters
- Remove unimplemented capabilities (remote, replication) from worker defaults
- Add security note about admin password character restrictions

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

k8s/charts/seaweedfs/templates/admin/admin-ingress.yaml

@@ -0,0 +1,52 @@
+{{- if and .Values.admin.enabled .Values.admin.ingress.enabled }}
+{{- if semverCompare ">=1.19-0" .Capabilities.KubeVersion.GitVersion }}
+apiVersion: networking.k8s.io/v1
+{{- else if semverCompare ">=1.14-0" .Capabilities.KubeVersion.GitVersion }}
+apiVersion: networking.k8s.io/v1beta1
+{{- else }}
+apiVersion: extensions/v1beta1
+{{- end }}
+kind: Ingress
+metadata:
+  name: ingress-{{ template "seaweedfs.name" . }}-admin
+  namespace: {{ .Release.Namespace }}
+  annotations:
+  {{- if and (not (semverCompare ">=1.18-0" .Capabilities.KubeVersion.GitVersion)) .Values.admin.ingress.className }}
+    kubernetes.io/ingress.class: {{ .Values.admin.ingress.className }}
+  {{- end }}
+  {{- with .Values.admin.ingress.annotations }}
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+  labels:
+    app.kubernetes.io/name: {{ template "seaweedfs.name" . }}
+    helm.sh/chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/component: admin
+spec:
+  {{- if and (semverCompare ">=1.18-0" .Capabilities.KubeVersion.GitVersion) .Values.admin.ingress.className }}
+  ingressClassName: {{ .Values.admin.ingress.className | quote }}
+  {{- end }}
+  tls:
+    {{ .Values.admin.ingress.tls | default list | toYaml | nindent 6}}
+  rules:
+  - {{- if .Values.admin.ingress.host }}
+    host: {{ .Values.admin.ingress.host | quote }}
+    {{- end }}
+    http:
+      paths:
+      - path: {{ .Values.admin.ingress.path | quote }}
+        {{- if semverCompare ">=1.18-0" .Capabilities.KubeVersion.GitVersion }}
+        pathType: {{ .Values.admin.ingress.pathType | quote }}
+        {{- end }}
+        backend:
+{{- if semverCompare ">=1.19-0" .Capabilities.KubeVersion.GitVersion }}
+          service:
+            name: {{ template "seaweedfs.name" . }}-admin
+            port:
+              number: {{ .Values.admin.port }}
+{{- else }}
+          serviceName: {{ template "seaweedfs.name" . }}-admin
+          servicePort: {{ .Values.admin.port }}
+{{- end }}
+{{- end }}