Change in osmo-gsm-tester[master]: {enb, epc, ms}_srs: refactor start/stop and KPI helpers

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pespin gerrit-no-reply at lists.osmocom.org
Tue Oct 13 10:25:30 UTC 2020


pespin has submitted this change. ( https://gerrit.osmocom.org/c/osmo-gsm-tester/+/20601 )

Change subject: {enb,epc,ms}_srs: refactor start/stop and KPI helpers
......................................................................

{enb,epc,ms}_srs: refactor start/stop and KPI helpers

refactor some of the functionality to srslte_common

Change-Id: I2ff36df6f1a07ed8ddac39d296d62fe44a215283
---
M src/osmo_gsm_tester/obj/enb_srs.py
M src/osmo_gsm_tester/obj/epc_srs.py
M src/osmo_gsm_tester/obj/ms_srs.py
M src/osmo_gsm_tester/obj/srslte_common.py
4 files changed, 57 insertions(+), 24 deletions(-)

Approvals:
  pespin: Looks good to me, approved; Verified



diff --git a/src/osmo_gsm_tester/obj/enb_srs.py b/src/osmo_gsm_tester/obj/enb_srs.py
index 13d18f3..ec2d1fc 100644
--- a/src/osmo_gsm_tester/obj/enb_srs.py
+++ b/src/osmo_gsm_tester/obj/enb_srs.py
@@ -51,6 +51,7 @@
 
     def __init__(self, testenv, conf):
         super().__init__(testenv, conf, srsENB.BINFILE)
+        srslte_common.__init__(self)
         self.ue = None
         self.run_dir = None
         self.gen_conf = None
@@ -73,6 +74,7 @@
         self.metrics_file = None
         self.stop_sleep_time = 6 # We require at most 5s to stop
         self.testenv = testenv
+        self.kpis = None
         self._additional_args = []
         if not rf_type_valid(conf.get('rf_dev_type', None)):
             raise log.Error('Invalid rf_dev_type=%s' % conf.get('rf_dev_type', None))
@@ -100,12 +102,6 @@
         # Collect KPIs for each TC
         self.testenv.test().set_kpis(self.get_kpis())
 
-    def sleep_after_stop(self):
-        # Only sleep once
-        if self.stop_sleep_time > 0:
-            MainLoop.sleep(self.stop_sleep_time)
-            self.stop_sleep_time = 0
-
     def start(self, epc):
         self.log('Starting srsENB')
         self._epc = epc
diff --git a/src/osmo_gsm_tester/obj/epc_srs.py b/src/osmo_gsm_tester/obj/epc_srs.py
index 44e06a5..dae8a56 100644
--- a/src/osmo_gsm_tester/obj/epc_srs.py
+++ b/src/osmo_gsm_tester/obj/epc_srs.py
@@ -23,6 +23,7 @@
 from ..core import log, util, config, template, process, remote
 from ..core import schema
 from . import epc
+from .srslte_common import srslte_common
 
 def on_register_schemas():
     config_schema = {
@@ -31,7 +32,7 @@
         }
     schema.register_config_schema('epc', config_schema)
 
-class srsEPC(epc.EPC):
+class srsEPC(epc.EPC, srslte_common):
 
     REMOTE_DIR = '/osmo-gsm-tester-srsepc'
     BINFILE = 'srsepc'
@@ -42,6 +43,7 @@
 
     def __init__(self, testenv, run_node):
         super().__init__(testenv, run_node, 'srsepc')
+        srslte_common.__init__(self)
         self.run_dir = None
         self.config_file = None
         self.db_file = None
@@ -55,6 +57,7 @@
         self.remote_log_file = None
         self.remote_pcap_file = None
         self.enable_pcap = False
+        self.kpis = None
         self.subscriber_list = []
 
     def cleanup(self):
diff --git a/src/osmo_gsm_tester/obj/ms_srs.py b/src/osmo_gsm_tester/obj/ms_srs.py
index 1c0f728..b5f5d70 100644
--- a/src/osmo_gsm_tester/obj/ms_srs.py
+++ b/src/osmo_gsm_tester/obj/ms_srs.py
@@ -24,7 +24,6 @@
 from ..core import log, util, config, template, process, remote
 from ..core import schema
 from .run_node import RunNode
-from ..core.event_loop import MainLoop
 from .ms import MS
 from .srslte_common import srslte_common
 
@@ -77,6 +76,7 @@
     def __init__(self, testenv, conf):
         self._run_node = RunNode.from_conf(conf.get('run_node', {}))
         super().__init__('srsue_%s' % self.addr(), conf)
+        srslte_common.__init__(self)
         self.enb = None
         self.run_dir = None
         self.config_file = None
@@ -92,9 +92,9 @@
         self.remote_log_file = None
         self.remote_pcap_file = None
         self.remote_metrics_file = None
-        self.stop_sleep_time = 6 # We require at most 5s to stop
         self.enable_pcap = False
         self.num_carriers = 1
+        self.kpis = None
         self.testenv = testenv
         self._additional_args = []
         if not rf_type_valid(conf.get('rf_dev_type', None)):
@@ -150,16 +150,6 @@
     def netns(self):
         return "srsue1"
 
-    def sleep_after_stop(self):
-        # Only sleep once
-        if self.stop_sleep_time > 0:
-            MainLoop.sleep(self.stop_sleep_time)
-            self.stop_sleep_time = 0
-
-    def stop(self):
-        self.testenv.stop_process(self.process)
-        self.sleep_after_stop()
-
     def connect(self, enb):
         self.log('Starting srsue')
         self.enb = enb
diff --git a/src/osmo_gsm_tester/obj/srslte_common.py b/src/osmo_gsm_tester/obj/srslte_common.py
index 33f12d4..9619fb6 100644
--- a/src/osmo_gsm_tester/obj/srslte_common.py
+++ b/src/osmo_gsm_tester/obj/srslte_common.py
@@ -18,6 +18,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 from ..core import log
+from ..core.event_loop import MainLoop
 
 class srslte_common(): # don't inherit from log.Origin here but instead use .name() from whoever inherits from us
 
@@ -25,21 +26,64 @@
     self.log_file = None
     self.process = None
     self.metrics_file = None
+    self.stop_sleep_time = 6 # We require at most 5s to stop
+    self.kpis = None
+
+  def sleep_after_stop(self):
+    # Only sleep once
+    if self.stop_sleep_time > 0:
+        MainLoop.sleep(self.stop_sleep_time)
+        self.stop_sleep_time = 0
+
+  def stop(self):
+      self.testenv.stop_process(self.process)
+      self.sleep_after_stop()
 
   def get_kpis(self):
+      ''' Return all KPI '''
+      if self.kpis is None:
+          self.extract_kpis()
+      return self.kpis
+
+  def get_log_kpis(self):
+      ''' Return KPIs extracted from log '''
+      if self.kpis is None:
+          self.extract_kpis()
+
+      # Use log KPIs if they exist for this node
+      if "log_" + self.name() in self.kpis:
+          log_kpi = self.kpis["log_" + self.name()]
+      else:
+          log_kpi = {}
+
+      # Make sure we have the errors and warnings counter in the dict
+      if 'total_errors' not in log_kpi:
+          log_kpi['total_errors'] = 0
+      if 'total_warnings' not in log_kpi:
+          log_kpi['total_warnings'] = 0
+      return log_kpi
+
+  def extract_kpis(self):
       ''' Use the srsLTE KPI analyzer module (part of srsLTE.git) if available to collect KPIs '''
-      kpis = {}
+
+      # Stop application, copy back logs and process them
+      if self.running():
+          self.stop()
+          self.cleanup()
+
+      self.kpis = {}
       try:
           # Please make sure the srsLTE scripts folder is included in your PYTHONPATH env variable
           from kpi_analyzer import kpi_analyzer
           analyzer = kpi_analyzer(self.name())
           if self.log_file is not None:
-              kpis["log_" + self.name()] = analyzer.get_kpi_from_logfile(self.log_file)
+              self.kpis["log_" + self.name()] = analyzer.get_kpi_from_logfile(self.log_file)
           if self.process.get_output_file('stdout') is not None:
-              kpis["stdout_" + self.name()] = analyzer.get_kpi_from_stdout(self.process.get_output_file('stdout'))
+              self.kpis["stdout_" + self.name()] = analyzer.get_kpi_from_stdout(self.process.get_output_file('stdout'))
           if self.metrics_file is not None:
-              kpis["csv_" + self.name()] = analyzer.get_kpi_from_csv(self.metrics_file)
+              self.kpis["csv_" + self.name()] = analyzer.get_kpi_from_csv(self.metrics_file)
       except ImportError:
           self.log("Can't load KPI analyzer module.")
+          self.kpis = {}
 
-      return kpis
+      return self.kpis

-- 
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Gerrit-Project: osmo-gsm-tester
Gerrit-Branch: master
Gerrit-Change-Id: I2ff36df6f1a07ed8ddac39d296d62fe44a215283
Gerrit-Change-Number: 20601
Gerrit-PatchSet: 1
Gerrit-Owner: srs_andre <andre at softwareradiosystems.com>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: pespin <pespin at sysmocom.de>
Gerrit-MessageType: merged
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