Adding support for downloading a job binary

Fixes: bug 1250972

Change-Id: I26ddb7741e8d72db305845cc55b7e61b57840d66

AUTHORS

@@ -1,5 +1,6 @@
 Alexander Ignatov <aignatov@mirantis.com>
 Alexander Kuznetsov <akuznetsov@mirantis.com>
+Chad Roberts <croberts@redhat.com>
 Jeremy Stanley <fungi@yuggoth.org>
 Nikita Konovalov <nkonovalov@mirantis.com>
 Nikolay Mahotkin <nmakhotkin@mirantis.com>

savannaclient/api/job_binaries.py

@@ -41,3 +41,10 @@ class JobBinariesManager(base.ResourceManager):
 
     def delete(self, job_binary_id):
         self._delete('/job-binaries/%s' % job_binary_id)
+
+    def get_file(self, job_binary_id):
+        resp = self.api.client.get('/job-binaries/%s/data' % job_binary_id)
+
+        if resp.status_code != 200:
+            self._raise_api_exception(resp)
+        return resp.content