Unpin flake8, fix lint

Change-Id: I7f47c1dac0761101980ebba3f9aab8732cb0d1ce

actions/osd_in_out.py

@@ -63,6 +63,7 @@ def osd_in(args):
         check_call(cmd)
     assess_status()
 
+
 # A dictionary of all the defined actions to callables (which take
 # parsed arguments).
 ACTIONS = {"osd-out": osd_out, "osd-in": osd_in}

actions/security_checklist.py

@@ -43,5 +43,6 @@ def main():
     }
     return audits.action_parse_results(audits.run(config))
 
+
 if __name__ == "__main__":
     sys.exit(main())

actions/zap_disk.py

@@ -66,7 +66,7 @@ def zap():
                 len(failed_devices),
                 ", ".join(failed_devices))
         if not_block_devices:
-            if message is not '':
+            if len(message):
                 message += "\n\n"
             message += "{} devices are not block devices: {}".format(
                 len(not_block_devices),

files/nagios/check_ceph_osd_services.py

@@ -53,9 +53,9 @@ def run_main():
     # command in the collect phase does fail, and so the start of the line is
     # 'Failed'
     state = STATE_OK
-    for l in lines:
-        print(l, end='')
-        if l.startswith('Failed'):
+    for line in lines:
+        print(line, end='')
+        if line.startswith('Failed'):
             state = STATE_CRITICAL
 
     return state

files/nagios/check_ceph_status.py

@@ -20,7 +20,8 @@ def check_ceph_status(args):
                  .check_output(["ceph", "status"])
                  .decode('UTF-8')
                  .split('\n'))
-    status_data = dict(l.strip().split(' ', 1) for l in lines if len(l) > 1)
+    status_data = dict(
+        line.strip().split(' ', 1) for line in lines if len(line) > 1)
 
     if ('health' not in status_data or
             'monmap' not in status_data or
@@ -40,7 +41,7 @@ def check_ceph_status(args):
         msg += '"'
         raise nagios_plugin.CriticalError(msg)
 
-    osds = re.search("^.*: (\d+) osds: (\d+) up, (\d+) in",
+    osds = re.search(r"^.*: (\d+) osds: (\d+) up, (\d+) in",
                      status_data['osdmap'])
     if osds.group(1) > osds.group(2):  # not all OSDs are "up"
         msg = 'CRITICAL: Some OSDs are not up. Total: {}, up: {}'.format(

files/nagios/collect_ceph_osd_services.py

@@ -30,8 +30,8 @@ def lsb_release():
     """Return /etc/lsb-release in a dict"""
     d = {}
     with open('/etc/lsb-release', 'r') as lsb:
-        for l in lsb:
-            k, v = l.split('=')
+        for el in lsb:
+            k, v = el.split('=')
             d[k.strip()] = v.strip()
     return d
 

hooks/utils.py

@@ -245,7 +245,7 @@ def get_blacklist():
 
 def get_journal_devices():
     if config('osd-journal'):
-        devices = [l.strip() for l in config('osd-journal').split(' ')]
+        devices = [el.strip() for el in config('osd-journal').split(' ')]
     else:
         devices = []
     storage_ids = storage_list('osd-journals')
@@ -287,6 +287,6 @@ def is_sata30orless(device):
     result = subprocess.check_output(["/usr/sbin/smartctl", "-i", device])
     print(result)
     for line in str(result).split("\\n"):
-        if re.match("SATA Version is: *SATA (1\.|2\.|3\.0)", str(line)):
+        if re.match(r"SATA Version is: *SATA (1\.|2\.|3\.0)", str(line)):
             return True
     return False

test-requirements.txt

@@ -10,7 +10,7 @@
 charm-tools>=2.4.4
 requests>=2.18.4
 mock>=1.2
-flake8>=2.2.4,<=2.4.1
+flake8>=2.2.4
 stestr>=2.2.0
 coverage>=4.5.2
 pyudev              # for ceph-* charm unit tests (need to fix the ceph-* charm unit tests/mocking)

tox.ini

@@ -116,5 +116,5 @@ commands =
     functest-run-suite --keep-model --bundle {posargs}
 
 [flake8]
-ignore = E402,E226
+ignore = E402,E226,W504
 exclude = */charmhelpers