Move hscli to privsep

Move the hscli usage to privsep, this is basically a straight
copy of the hsexecute function.

Change-Id: I0a8f1502506b32fdd6599bc2d0c385ebeb968172
Signed-off-by: Chuck Short <chucks@redhat.com>

1 files changed, 45 insertions, 0 deletions

diff --git a/cinder/privsep/hscli.py b/cinder/privsep/hscli.py
new file mode 100644
index 000000000..4d7f85d66
--- /dev/null
+++ b/cinder/privsep/hscli.py
@@ -0,0 +1,45 @@
+# Copyright 2018 Red Hat, Inc
+# Copyright (c) 2017 Veritas Technologies LLC.  All rights reserved.
+# Copyright 2017 Rackspace Australia
+# Copyright 2018 Michael Still and Aptira
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+"""
+Helpers for hscli related routines
+"""
+from oslo_concurrency import processutils as putils
+from oslo_log import log as logging
+
+from cinder import exception
+import cinder.privsep
+
+LOG = logging.getLogger(__name__)
+
+
+@cinder.privsep.sys_admin_pctxt.entrypoint
+def hsexecute(cmdarg_json):
+
+    cmd_out = None
+    cmd_err = None
+    try:
+        # call hyperscale cli
+        (cmd_out, cmd_err) = putils.execute("hscli", cmdarg_json)
+    except (putils.UnknownArgumentError, putils.ProcessExecutionError,
+            OSError):
+        LOG.error("Exception in running the command for %s",
+                  cmdarg_json,
+                  exc_info=True)
+        raise exception.UnableToExecuteHyperScaleCmd(command=cmdarg_json)
+
+    return (cmd_out, cmd_err)