Collect slave info

Adds the output of uname -a to the metadata for each
slave.  Additional information about each slave can
also be added as needed in the future.

Change-Id: Ifb3d06599c0f1b7a4ffe06a7c98b151e62ba7bd8
JIRA: STORPERF-253
Signed-off-by: mbeierl <mark.beierl@dell.com>

2 files changed, 14 insertions, 1 deletions

diff --git a/docker/storperf-master/storperf/storperf_master.py b/docker/storperf-master/storperf/storperf_master.py
index 4cd7071..877f878 100644
--- a/docker/storperf-master/storperf/storperf_master.py
+++ b/docker/storperf-master/storperf/storperf_master.py
@@ -24,6 +24,7 @@ from snaps.openstack.utils import heat_utils, cinder_utils, glance_utils
 from snaps.thread_utils import worker_pool
 from storperf.db.job_db import JobDB
 from storperf.test_executor import TestExecutor
+import json
 
 
 class ParameterError(Exception):
@@ -79,6 +80,7 @@ class StorPerfMaster(object):
         self._block_sizes = [512, 4096, 16384]
         self._workload_modules = []
         self._custom_workloads = []
+        self.slave_info = {}
 
     @property
     def volume_count(self):
@@ -425,12 +427,14 @@ class StorPerfMaster(object):
         params['public_network'] = self.public_network
         params['volume_count'] = self.volume_count
         params['volume_size'] = self.volume_size
+        params['agent_info'] = json.dumps(self.slave_info)
         if self.volume_type is not None:
             params['volume_type'] = self.volume_type
         if self.username and self.password:
             params['username'] = self.username
             params['password'] = self.password
         job_id = self._test_executor.execute(params)
+        self.slave_info = {}
 
         return job_id
 
@@ -520,6 +524,11 @@ class StorPerfMaster(object):
                         key_filename='storperf/resources/ssh/storperf_rsa',
                         timeout=2)
 
+        uname = self._get_uname(ssh)
+        logger.debug("Slave uname is %s" % uname)
+        self.slave_info[slave] = {}
+        self.slave_info[slave]['uname'] = uname
+
         available = self._check_root_fs(ssh)
         logger.debug("Available space on / is %s" % available)
         if available < 65536:
@@ -537,6 +546,10 @@ class StorPerfMaster(object):
         logger.debug("Transferring fio to %s" % slave)
         scp.put('/usr/local/bin/fio', '~/')
 
+    def _get_uname(self, ssh):
+        (_, stdout, _) = ssh.exec_command("uname -a")
+        return stdout.readline()
+
     def _check_root_fs(self, ssh):
         (_, stdout, _) = ssh.exec_command("df /")
         stdout.readline()
diff --git a/docker/storperf-master/storperf/test_executor.py b/docker/storperf-master/storperf/test_executor.py
index 38e052e..0ab5698 100644
--- a/docker/storperf-master/storperf/test_executor.py
+++ b/docker/storperf-master/storperf/test_executor.py
@@ -69,7 +69,7 @@ class TestExecutor(object):
         try:
             installer = os.environ['INSTALLER_TYPE']
         except KeyError:
-            self.logger.error("Cannot determine installer")
+            self.logger.warn("Cannot determine installer")
             installer = "Unknown_installer"
 
         self.metadata = {}