Set HOME parameters correctly for try-helmfile.

@@ -112,11 +112,24 @@ spec:
           workingDir: /tmp/git-storage/k8s-start-of-day
           command: ["/tmp/k8s-bootstrap-scripts/check-mode", "helmfile", "/usr/local/bin/helmfile"]
           args: ["apply"]
+          envFrom:
+            - configMapRef:
+                name: k8s-bootstrap-config
           volumeMounts:
             - name: git-storage
               mountPath: /tmp/git-storage
             - name: k8s-bootstrap-scripts
               mountPath: /tmp/k8s-bootstrap-scripts
+            - name: cluster-home
+              mountPath: /tmp/cluster-home
+            - name: cluster-ssh
+              mountPath: /tmp/cluster-home/.ssh
+            - name: k8s-bootstrap-ssh-auth
+              mountPath: /tmp/cluster-home/.ssh/id_rsa
+              subPath: id_rsa
+            - name: k8s-bootstrap-ssh-config
+              mountPath: /tmp/cluster-home/.ssh/config
+              subPath: config
 
       containers:
         - name: show-status