rados pybind: add conf_parse_env()

Signed-off-by: Sage Weil <sage@inktank.com>
Reviewed-by: Dan Mick <dan.mick@inktank.com>

2 files changed, 19 insertions, 0 deletions

diff --git a/src/pybind/rados.py b/src/pybind/rados.py
index 7768f8c39d3..a0e5bf42ba9 100644
--- a/src/pybind/rados.py
+++ b/src/pybind/rados.py
@@ -294,6 +294,19 @@ Rados object in state %s." % (self.state))
         retargs = [a for a in cretargs if a is not None]
         return retargs
 
+    def conf_parse_env(self, var='CEPH_ARGS'):
+        """
+        Parse known arguments from an environment variable, normally
+        CEPH_ARGS.
+        """
+        self.require_state("configuring", "connected")
+        if not var:
+            return
+        ret = run_in_thread(self.librados.rados_conf_parse_env,
+                            (self.cluster, c_char_p(var)))
+        if (ret != 0):
+            raise make_ex(ret, "error calling conf_parse_env")
+
     def conf_get(self, option):
         """
         Get the value of a configuration option
diff --git a/src/test/pybind/test_rados.py b/src/test/pybind/test_rados.py
index 4628a44a652..a8df299c879 100644
--- a/src/test/pybind/test_rados.py
+++ b/src/test/pybind/test_rados.py
@@ -31,6 +31,12 @@ def test_rados_init():
     with Rados(conffile='', name='client.admin'):
         pass
 
+def test_rados_parse_conf():
+    with Rados(conffile='', rados_id='admin') as rados:
+        rados.parse_env()
+        rados.parse_env('FOO_DOES_NOT_EXIST_BLAHBLAH')
+        pass
+
 def test_ioctx_context_manager():
     with Rados(conffile='', rados_id='admin') as conn:
         with conn.open_ioctx('data') as ioctx: