Adjusting json resource names

* "data_source" for data sources
* "job_binary" for job binaries
* "job_binary_internal" for job binary internals
* "job_origin" for job origins
* "job" for jobs

Change-Id: Ib5f9dc9f4646fc45a6bf2c5c7a822041e1968213

savannaclient/api/data_sources.py

@@ -42,4 +42,4 @@ class DataSourceManager(base.ResourceManager):
             'credentials': credentials
         }
 
-        return self._create('/data-sources', data, 'resource')
+        return self._create('/data-sources', data, 'data_source')

savannaclient/api/job_binaries.py

@@ -37,4 +37,4 @@ class JobBinariesManager(base.ResourceManager):
 
         self._copy_if_defined(data, description=description)
 
-        return self._create("/job-binaries", data, "resource")
+        return self._create("/job-binaries", data, "job_binary")

savannaclient/api/job_binary_internals.py

@@ -36,5 +36,5 @@ class JobBinaryInternalsManager(base.ResourceManager):
         if resp.status_code != 202:
             self._raise_api_exception(resp)
 
-        data = resp.json()["resource"]
+        data = resp.json()["job_binary_internal"]
         return self.resource_class(self, data)

savannaclient/api/job_origins.py

@@ -40,4 +40,4 @@ class JobOriginsManager(base.ResourceManager):
             'libs': libs,
         }
 
-        return self._create('/job-origins', data, "resource")
+        return self._create('/job-origins', data, "job_origin")

savannaclient/api/jobs.py

@@ -43,4 +43,4 @@ class JobsManager(base.ResourceManager):
             'output_type': output_type
         }
 
-        return self._create('/jobs', data, 'resource')
+        return self._create('/jobs', data, 'job')