autopep8 fix for flake8
[bottlenecks.git] / testsuites / vstf / vstf_scripts / vstf / agent / env / fsmonitor / FSMonitor.py
index e655936..53cddeb 100644 (file)
@@ -23,6 +23,7 @@ LOG = logging.getLogger('__name__')
 
 
 class VMOperation(object):
+
     def __init__(self):
         self.RTE_SDK = '/home/dpdk-2.0.0'
         self.RTE_TARGET = 'x86_64-native-linuxapp-gcc'
@@ -46,7 +47,8 @@ class VMOperation(object):
         for mac in tap_macs:
             bdf = self.ip_helper.mac_bdf_map[mac]
             bdf_str = bdf_str + ' ' + bdf
-        cmd = 'python %s/tools/dpdk_nic_bind.py --bind=virtio-pci %s' % (self.RTE_SDK, bdf_str)
+        cmd = 'python %s/tools/dpdk_nic_bind.py --bind=virtio-pci %s' % (
+            self.RTE_SDK, bdf_str)
         LOG.debug("recover_nic_binding runs cmd = %s", cmd)
         check_call(cmd, shell=True)
 
@@ -60,15 +62,22 @@ class VMOperation(object):
         check_call("mount -t hugetlbfs nodev /mnt/huge", shell=True)
         check_call("modprobe uio", shell=True)
         check_and_rmmod('igb_uio')
-        check_call("insmod %s/%s/kmod/igb_uio.ko" % (RTE_SDK, RTE_TARGET), shell=True)
+        check_call(
+            "insmod %s/%s/kmod/igb_uio.ko" %
+            (RTE_SDK, RTE_TARGET), shell=True)
 
         bdf_str = ''
         for mac in tap_macs:
             bdf = self.ip_helper.mac_bdf_map[mac]
             bdf_str = bdf_str + ' ' + bdf
 
-        check_call('python %s/tools/dpdk_nic_bind.py --bind=igb_uio %s' % (RTE_SDK, bdf_str), shell=True)
-        cpu_num = int(check_output('cat /proc/cpuinfo | grep processor | wc -l', shell=True))
+        check_call(
+            'python %s/tools/dpdk_nic_bind.py --bind=igb_uio %s' %
+            (RTE_SDK, bdf_str), shell=True)
+        cpu_num = int(
+            check_output(
+                'cat /proc/cpuinfo | grep processor | wc -l',
+                shell=True))
         cpu_bit_mask = 0
         i = cpu_num
         while i:
@@ -76,14 +85,7 @@ class VMOperation(object):
             i -= 1
         cpu_bit_mask = hex(cpu_bit_mask)
         cmd = "%s/%s/app/testpmd -c %s -n %d -- --disable-hw-vlan --disable-rss --nb-cores=%d --rxq=%d --txq=%d --rxd=4096 --txd=4096" % (
-            RTE_SDK,
-            RTE_TARGET,
-            cpu_bit_mask,
-            cpu_num / 2,
-            cpu_num - 1,
-            (cpu_num - 1) / 2,
-            (cpu_num - 1) / 2
-        )
+            RTE_SDK, RTE_TARGET, cpu_bit_mask, cpu_num / 2, cpu_num - 1, (cpu_num - 1) / 2, (cpu_num - 1) / 2)
         LOG.info("set_pktloop_dpdk runs cmd = %s", cmd)
         p = subprocess.Popen(cmd.split())
         if not p.poll():
@@ -105,6 +107,7 @@ class VMOperation(object):
 
 
 class FSMonitor(object):
+
     def __init__(self, pidfile=None, interval=1):
         if pidfile:
             self.pidfile = pidfile
@@ -121,8 +124,9 @@ class FSMonitor(object):
             pass
 
     def kill_old(self):
-        out = check_output("ps -ef | grep -v grep | egrep 'python.*%s' | awk '{print $2}'" % sys.argv[0],
-                                      shell=True)
+        out = check_output(
+            "ps -ef | grep -v grep | egrep 'python.*%s' | awk '{print $2}'" %
+            sys.argv[0], shell=True)
         if out:
             for pid in out.split():
                 if int(pid) != os.getpid():
@@ -131,7 +135,8 @@ class FSMonitor(object):
 
     def set_fail(self, failed_reason):
         with open(constant.VM_CMD_RETURN_CODE_FILE, 'w') as f:
-            f.writelines([constant.VM_CMD_EXCUTE_FAILED_FLAG_CONTENT, '\n', failed_reason])
+            f.writelines(
+                [constant.VM_CMD_EXCUTE_FAILED_FLAG_CONTENT, '\n', failed_reason])
         with open(constant.VM_CMD_DONE_FLAG_FILE, 'w') as f:
             pass
 
@@ -149,8 +154,10 @@ class FSMonitor(object):
             pid = os.fork()
             if pid > 0:
                 sys.exit(0)
-        except OSError, e:
-            sys.stderr.write('fork #1 failed:%d,(%s)\n' % (e.errno, e.strerror))
+        except OSError as e:
+            sys.stderr.write(
+                'fork #1 failed:%d,(%s)\n' %
+                (e.errno, e.strerror))
             sys.exit(1)
         os.setsid()
         os.umask(0)
@@ -158,10 +165,17 @@ class FSMonitor(object):
             pid = os.fork()
             if pid > 0:
                 sys.exit(0)
-        except OSError, e:
-            sys.stderr.write('fork #2 failed:%d,(%s)\n' % (e.errno, e.strerror))
+        except OSError as e:
+            sys.stderr.write(
+                'fork #2 failed:%d,(%s)\n' %
+                (e.errno, e.strerror))
             sys.exit(1)
-        LOG.debug("pid:%d,ppid:%d,sid:%d", os.getpid(), os.getppid(), os.getsid(os.getpid()))
+        LOG.debug(
+            "pid:%d,ppid:%d,sid:%d",
+            os.getpid(),
+            os.getppid(),
+            os.getsid(
+                os.getpid()))
         old = open('/dev/null', 'r')
         os.dup2(old.fileno(), sys.stdin.fileno())
         old = open('/dev/null', 'a+')
@@ -192,8 +206,9 @@ class FSMonitor(object):
                             method(*param)
                             self.set_success()
                             LOG.debug("cmd sucessfully done")
-                        except Exception, e:
-                            LOG.debug('failed to run:%s %s,reason:%s', cmd, param, str(e))
+                        except Exception as e:
+                            LOG.debug(
+                                'failed to run:%s %s,reason:%s', cmd, param, str(e))
                             self.set_fail(str(e))
                         break
                 else:
@@ -209,7 +224,8 @@ if __name__ == '__main__':
     # echo "config_ip 56:6f:44:a5:3f:a2 192.168.188.200/23" > command;touch command_set
     # echo "config_gw 192.168.188.1" > command;touch command_set
     # echo set_pktloop_dpdk 56:6f:44:a5:3f:a2 56:6f:44:a5:3f:a3 > command;touch command_set
-    # echo recover_nic_binding 56:6f:44:a5:3f:a2 56:6f:44:a5:3f:a3 > command;touch command_set
+    # echo recover_nic_binding 56:6f:44:a5:3f:a2 56:6f:44:a5:3f:a3 >
+    # command;touch command_set
     import os
     logging.basicConfig(level=logging.DEBUG, filename=LOG_FILE, filemode='w')
     os.environ['PATH'] = os.environ["PATH"] + ":/usr/local/bin"