[feature] SSH Public Key Login for DevContainer

internal/controller/templates/statefulset.yaml

@@ -19,6 +19,23 @@ spec:
         app: {{.ObjectMeta.Name}}
         devstar-resource-type: devstar-devcontainer
     spec:
+      # 安全策略，禁止挂载 ServiceAccount Token
+      automountServiceAccountToken: false
+      volumes:
+        - name: root-ssh-dir
+          emptyDir: {}
+      initContainers:
+        - name: init-root-ssh-dir
+          image: {{.Spec.StatefulSet.Image}}
+          imagePullPolicy: IfNotPresent
+          command:
+            - /bin/sh
+            - -c
+            - {{range .Spec.StatefulSet.SSHPublicKeyList}} echo "{{.}}" >> /root/.ssh/authorized_keys  && {{end}} chmod -R 700 /root/.ssh/ && echo 'SSH Public Key(s) imported.'
+            # 注意，必须递归设置 ~/.ssh/ 目录下权限 700，否则即使配置了 ~/.ssh/authorized_keys 也不会生效
+          volumeMounts:
+            - name: root-ssh-dir
+              mountPath: /root/.ssh
       containers:
         - name: {{.ObjectMeta.Name}}
           image: {{.Spec.StatefulSet.Image}}
@@ -27,6 +44,7 @@ spec:
           - {{.}}
           {{end}}
           imagePullPolicy: IfNotPresent
+          # securityContext: TODO: 设置 DevContainer 安全策略
           ports:
             - name: ssh-port
               protocol: TCP
@@ -34,6 +52,8 @@ spec:
           volumeMounts:
           - name: pvc-devcontainer
             mountPath: /data
+          - name: root-ssh-dir
+            mountPath: /root/.ssh
           livenessProbe:
             exec:
               command: