CI: remove unknown imports and uses of names

pyflakes warns about various errors, addressed here. For cls_cluster.py,
remove (unknown) sys.exit and replace through Exception, as sys.exit()
has the unwanted effect that the CI script would stop.  Instead, raise
an Exception that would show the problem in the HTML, and ensures that
the script runs until the end.

These are the warnings flagged by pyflakes.

    cls_cluster.py:297:4: undefined name 'sys'

    cls_containerize.py:39:1: 'subprocess' imported but unused
    cls_containerize.py:41:1: 'threading' imported but unused
    cls_containerize.py:43:1: 'multiprocessing.Process' imported but unused
    cls_containerize.py:43:1: 'multiprocessing.Lock' imported but unused
    cls_containerize.py:43:1: 'multiprocessing.SimpleQueue' imported but unused
    cls_containerize.py:49:1: 'cls_cluster as OC' imported but unused
    cls_containerize.py:50:1: redefinition of unused 'cls_cmd' from line 42

    cls_module.py:28:1: 'os' imported but unused
    cls_module.py:29:1: 'sys' imported but unused
    cls_module.py:34:1: 'subprocess' imported but unused
    cls_module.py:35:1: 'datetime.datetime' imported but unused
    cls_module.py:211:11: undefined name 'sshconnection'

    cls_oaicitest.py:37:1: 'pexpect' imported but unused
    cls_oaicitest.py:47:1: 'cls_cluster as OC' imported but unused
    cls_oaicitest.py:54:1: 'matplotlib.pyplot as plt' imported but unused
    cls_oaicitest.py:55:1: 'numpy as np' imported but unused

    cls_oai_html.py:34:1: 'sys' imported but unused
    cls_oai_html.py:41:1: 'multiprocessing.Process' imported but unused
    cls_oai_html.py:41:1: 'multiprocessing.Lock' imported but unused
    cls_oai_html.py:41:1: 'multiprocessing.SimpleQueue' imported but unused

    cls_physim.py:37:1: 'multiprocessing.SimpleQueue' imported but unused

    cls_static_code_analysis.py:39:1: 'time' imported but unused
    cls_static_code_analysis.py:40:1: 'multiprocessing.Process' imported but unused
    cls_static_code_analysis.py:40:1: 'multiprocessing.Lock' imported but unused
    cls_static_code_analysis.py:40:1: 'multiprocessing.SimpleQueue' imported but unused

    epc.py:41:1: 'multiprocessing.Process' imported but unused
    epc.py:41:1: 'multiprocessing.Lock' imported but unused
    epc.py:41:1: 'multiprocessing.SimpleQueue' imported but unused

    main.py:60:1: 'pexpect' imported but unused
    main.py:66:1: 'datetime' imported but unused
    main.py:68:1: redefinition of unused 'subprocess' from line 63
    main.py:70:1: 'multiprocessing.Process' imported but unused
    main.py:70:1: 'multiprocessing.Lock' imported but unused
    main.py:70:1: 'multiprocessing.SimpleQueue' imported but unused

    provideUniqueImageTag.py:2:1: 'os' imported but unused

ci-scripts/cls_cluster.py

@@ -50,9 +50,9 @@ CN_CONTAINERS = ["", "-c nrf", "-c amf", "-c smf", "-c upf", "-c ausf", "-c udm"
 def OC_login(cmd, ocUserName, ocPassword, ocProjectName):
 	if ocUserName == '' or ocPassword == '' or ocProjectName == '':
 		HELP.GenericHelp(CONST.Version)
-		sys.exit('Insufficient Parameter: no OC Credentials')
+		raise ValueError('Insufficient Parameter: no OC Credentials')
 	if OCRegistry.startswith("http") or OCRegistry.endswith("/"):
-		sys.exit(f'ocRegistry {OCRegistry} should not start with http:// or https:// and not end on a slash /')
+		raise ValueError(f'ocRegistry {OCRegistry} should not start with http:// or https:// and not end on a slash /')
 	ret = cmd.run(f'oc login -u {ocUserName} -p {ocPassword} --server {OCUrl}')
 	if ret.returncode != 0:
 		logging.error('\u001B[1m OC Cluster Login Failed\u001B[0m')
@@ -244,7 +244,7 @@ class Cluster:
 		if self.testSvrId == None: self.testSvrId = self.eNBIPAddress
 		if self.imageToPull == '':
 			HELP.GenericHelp(CONST.Version)
-			sys.exit('Insufficient Parameter')
+			raise ValueError('Insufficient Parameter')
 		logging.debug(f'Pull OC image {self.imageToPull} to server {self.testSvrId}')
 		self.testCase_id = HTML.testCase_id
 		cmd = cls_cmd.getConnection(self.testSvrId)
@@ -282,19 +282,19 @@ class Cluster:
 	def BuildClusterImage(self, HTML):
 		if self.ranRepository == '' or self.ranBranch == '' or self.ranCommitID == '':
 			HELP.GenericHelp(CONST.Version)
-			sys.exit(f'Insufficient Parameter: ranRepository {self.ranRepository} ranBranch {ranBranch} ranCommitID {self.ranCommitID}')
+			raise ValueError(f'Insufficient Parameter: ranRepository {self.ranRepository} ranBranch {ranBranch} ranCommitID {self.ranCommitID}')
 		lIpAddr = self.eNBIPAddress
 		lSourcePath = self.eNBSourceCodePath
 		if lIpAddr == '' or lSourcePath == '':
-			sys.exit('Insufficient Parameter: eNBSourceCodePath missing')
+			raise ValueError('Insufficient Parameter: eNBSourceCodePath missing')
 		ocUserName = self.OCUserName
 		ocPassword = self.OCPassword
 		ocProjectName = self.OCProjectName
 		if ocUserName == '' or ocPassword == '' or ocProjectName == '':
 			HELP.GenericHelp(CONST.Version)
-			sys.exit('Insufficient Parameter: no OC Credentials')
+			raise ValueError('Insufficient Parameter: no OC Credentials')
 		if self.OCRegistry.startswith("http") or self.OCRegistry.endswith("/"):
-			sys.exit(f'ocRegistry {self.OCRegistry} should not start with http:// or https:// and not end on a slash /')
+			raise ValueError(f'ocRegistry {self.OCRegistry} should not start with http:// or https:// and not end on a slash /')
 
 		logging.debug(f'Building on cluster triggered from server: {lIpAddr}')
 		self.cmd = cls_cmd.RemoteCmd(lIpAddr)

ci-scripts/cls_cmd.py

@@ -31,7 +31,6 @@ import subprocess as sp
 import os
 import paramiko
 import uuid
-import sys
 import time
 
 SSHTIMEOUT=7

ci-scripts/cls_containerize.py

@@ -36,17 +36,12 @@ import re	       # reg
 import logging
 import os
 import shutil
-import subprocess
 import time
-import threading
-import cls_cmd
-from multiprocessing import Process, Lock, SimpleQueue
 from zipfile import ZipFile
 
 #-----------------------------------------------------------
 # OAI Testing modules
 #-----------------------------------------------------------
-import cls_cluster as OC
 import cls_cmd
 import sshconnection as SSH
 import helpreadme as HELP

ci-scripts/cls_module.py

@@ -25,14 +25,10 @@
 #---------------------------------------------------------------------
 
 #to use isfile
-import os
-import sys
 import logging
 #time.sleep
 import time
 import re
-import subprocess
-from datetime import datetime
 import yaml
 
 import cls_cmd
@@ -208,13 +204,6 @@ class Module_UE:
 
 	def _enableTrace(self):
 		raise Exception("not implemented")
-		mySSH = sshconnection.SSHConnection()
-		mySSH.open(self.HostIPAddress, self.HostUsername, self.HostPassword)
-		#delete old artifacts
-		mySSH.command('echo ' + ' '  + ' | sudo -S rm -rf ci_qlog','\$',5)
-		#start Trace, artifact is created in home dir
-		mySSH.command('echo $USER; nohup sudo -E QLog/QLog -s ci_qlog -f NR5G.cfg > /dev/null 2>&1 &','\$', 5)
-		mySSH.close()
 
 	def _disableTrace(self):
 		raise Exception("not implemented")

ci-scripts/cls_oai_html.py

@@ -31,14 +31,12 @@
 #-----------------------------------------------------------
 # Import
 #-----------------------------------------------------------
-import sys              # arg
 import re               # reg
 import fileinput
 import logging
 import os
 import time
 import subprocess
-from multiprocessing import Process, Lock, SimpleQueue
 
 import constants as CONST
 

ci-scripts/cls_oaicitest.py

@@ -34,7 +34,6 @@
 #-----------------------------------------------------------
 import sys		# arg
 import re		# reg
-import pexpect	# pexpect
 import time		# sleep
 import os
 import logging
@@ -44,16 +43,11 @@ import json
 #import our libs
 import helpreadme as HELP
 import constants as CONST
-import cls_cluster as OC
 import sshconnection
 
 import cls_module
 import cls_cmd
 
-logging.getLogger("matplotlib").setLevel(logging.WARNING)
-import matplotlib.pyplot as plt
-import numpy as np
-
 #-----------------------------------------------------------
 # Helper functions used here and in other classes
 #-----------------------------------------------------------

ci-scripts/cls_physim.py

@@ -34,7 +34,6 @@ import sshconnection
 #to update the HTML object
 import cls_oai_html
 import cls_cmd
-from multiprocessing import SimpleQueue
 #for log folder maintenance
 import os
 import re

ci-scripts/cls_static_code_analysis.py

@@ -36,8 +36,6 @@ import re               # reg
 import logging
 import os
 from pathlib import Path
-import time
-from multiprocessing import Process, Lock, SimpleQueue
 
 #-----------------------------------------------------------
 # OAI Testing modules

ci-scripts/epc.py

@@ -38,8 +38,6 @@ import os
 import time
 import signal
 
-from multiprocessing import Process, Lock, SimpleQueue
-
 #-----------------------------------------------------------
 # OAI Testing modules
 #-----------------------------------------------------------

ci-scripts/main.py

@@ -57,17 +57,13 @@ import cls_oai_html
 #-----------------------------------------------------------
 import sys		# arg
 import re		# reg
-import pexpect	# pexpect
 import time		# sleep
 import os
 import subprocess
 import xml.etree.ElementTree as ET
 import logging
-import datetime
 import signal
-import subprocess
 import traceback
-from multiprocessing import Process, Lock, SimpleQueue
 logging.basicConfig(
 	level=logging.DEBUG,
 	stream=sys.stdout,

ci-scripts/provideUniqueImageTag.py

 import argparse
-import os
 import re
 import subprocess
 import sys

ci-scripts/ran.py

@@ -36,7 +36,6 @@ import re               # reg
 import logging
 import os
 import time
-from multiprocessing import Process, Lock, SimpleQueue
 import yaml
 import cls_cmd