Very verbose mode

In this new mode we print more information than in verbose mode.
Every matched policy is printed. That can be useful if one use a
config with many non final policies.

README.md

@@ -12,7 +12,7 @@ charge-lnd takes only a minimal set of parameters:
 
 ```
 usage: charge-lnd [-h] [--lnddir LNDDIR] [--tlscert TLS_CERT_PATH] [--macaroon MACAROON_PATH] [--grpc GRPC]
-                  [--circuitbreaker CIRCUITBREAKER] [--dry-run] [--check] [-v] -c CONFIG
+                  [--circuitbreaker CIRCUITBREAKER] [--dry-run] [--check] [-v] [-vv] -c CONFIG
 
 optional arguments:
   -h, --help            show this help message and exit
@@ -28,6 +28,7 @@ optional arguments:
                         stdout
   --check               Do not perform actions, only check config file for valid syntax
   -v, --verbose         Be more verbose
+  -vv, --very-verbose   Be very verbose, print every matched policy
   -c CONFIG, --config CONFIG
                         path to config file
 ```

charge_lnd/charge_lnd.py

@@ -21,6 +21,9 @@ def main():
     argument_parser = get_argument_parser()
     arguments = argument_parser.parse_args()
 
+    if arguments.very_verbose:
+        arguments.verbose = True
+
     if not os.path.exists(arguments.config):
         debug("Config file not found")
         return False
@@ -183,6 +186,23 @@ def main():
                     s = ' ➜ ' + fmt.col_hi(chp.time_lock_delta)
                 print("  time_lock_delta:         %s%s" % (fmt.col_hi(my_policy.time_lock_delta), s) )
 
+        if arguments.very_verbose:
+            fix = 40
+            print(fmt.col_hi('  ' + '-' * (fix + 34)))
+
+            for match in policy.log:
+                print("      %s%s" % (fmt.fix_str('policy_name', fix), fmt.col_hi(match.pop('policy_name'))))
+                if "strategy" in match:
+                    print("      %s%s" % (fmt.fix_str('strategy', fix), fmt.col_hi(match.pop('strategy')[1])))
+
+                for k, v in match.items():
+                    s = ''
+                    if v[0]:
+                        s = fmt.col_hi(v[0]) + ' ➜ '
+                    print("      %s%s%s" % (fmt.fix_str(k, fix), s, fmt.col_hi(v[1])))
+
+                print(fmt.col_hi('      ' + '-' * (fix + 30)))
+
     if cb:
          update_circuitbreaker(cb, lnd, arguments)
 
@@ -280,6 +300,9 @@ def get_argument_parser():
     parser.add_argument("-v", "--verbose",
                         action="store_true",
                         help="Be more verbose")
+    parser.add_argument("-vv", "--very-verbose",
+                        action="store_true",
+                        help="Be very verbose, print every matched policy")
     parser.add_argument("-c", "--config",
                         required=True,
                         help="path to config file")

charge_lnd/fmt.py

@@ -48,3 +48,6 @@ def col_err(s):
 
 def col_val(s):
     return str(colored(str(s),'yellow', attrs=['bold']))
+
+def fix_str(s, l):
+    return str(s) + ' ' * (l - len(s))

charge_lnd/policy.py

@@ -44,11 +44,18 @@ class Policy:
         self.strategy = None
         self.name = None
         self.config = {}
+        self.log = []
 
     def apply(self, policy_name, policy_config):
+        config_ref = self.config.copy()
+        log = {}
+        self.log.append(log)
+        log['policy_name'] = policy_name
+
         # mask over the collected config
         for k,v in policy_config.items():
             self.config[k] = v
+            log[k] = [config_ref.get(k), v]
 
         strategy = policy_config.get('strategy')
         if strategy: # final policy