[dock] Code cleanup

beat/core/dock.py

@@ -49,7 +49,7 @@ import socket
 import tempfile
 import time
 import docker
-import subprocess as sp
+import subprocess as sp  # nosec
 import logging
 
 from beat.core import stats
@@ -140,14 +140,14 @@ class Host(object):
                     self.processing_environments.keys(),
                 )
             )[0]
-        except:
+        except IndexError:
             try:
                 return list(
                     filter(
                         lambda x: x.startswith(name + " ("), self.db_environments.keys()
                     )
                 )[0]
-            except:
+            except IndexError:
                 return None
 
     @property
@@ -245,10 +245,10 @@ class Host(object):
                                 replacement = True
                             else:
                                 keep = True
-                        except:
+                        except Exception:
                             replacement = True
 
-                    except:
+                    except Exception:
                         keep = True
 
             elif new_version is not None:
@@ -493,7 +493,7 @@ class Host(object):
 
         try:
             return simplejson.loads(stdout)[0]["State"]["Status"]
-        except:
+        except Exception:
             return None
 
     def logs(self, container):
@@ -569,7 +569,7 @@ class Host(object):
             status = self.wait(container)
             output = self.logs(container)
 
-        except Exception as e:
+        except Exception:
             return 1, None
 
         finally: