Refactoring, Removal of most global vars, config default path is ~/ucloud/

ucloud/shared/__init__.py

@@ -0,0 +1,30 @@
+from ucloud.settings import settings
+from ucloud.common.vm import VmPool
+from ucloud.common.host import HostPool
+from ucloud.common.request import RequestPool
+from ucloud.common.storage_handlers import get_storage_handler
+
+
+class Shared:
+    @property
+    def etcd_client(self):
+        return settings.get_etcd_client()
+
+    @property
+    def host_pool(self):
+        return HostPool(self.etcd_client, settings['etcd']['host_prefix'])
+
+    @property
+    def vm_pool(self):
+        return VmPool(self.etcd_client, settings['etcd']['vm_prefix'])
+
+    @property
+    def request_pool(self):
+        return RequestPool(self.etcd_client, settings['etcd']['request_prefix'])
+
+    @property
+    def storage_handler(self):
+        return get_storage_handler()
+
+
+shared = Shared()