JSON client: Log pretty-printed request and response with -vv or above

The whole HTTP request is now printed with -vvv or above.

Changes `verbose` in the connection to be the level from api.env,
rather than a boolean value.

For XML-RPC, the whole request will be shown already with -v.

https://fedorahosted.org/freeipa/ticket/4233

Reviewed-By: David Kupka <dkupka@redhat.com>

ipa.1

@@ -56,7 +56,8 @@ Prompt for all parameters of \fICOMMAND\fR, even if they are optional.
 Don't fall back to other IPA servers if the default doesn't work.
 .TP
 \fB\-v\fR, \fB\-\-verbose\fR
-Produce verbose output. A second \-v displays the XML\-RPC request.
+Produce verbose output. A second -v pretty-prints the JSON request and response. A third \-v displays the HTTP request and response.
+.TP
 \fB\-\-version\fR
 Display the IPA version and API version.
 .SH "COMMANDS"

ipalib/backend.py

@@ -113,7 +113,7 @@ class Executioner(Backend):
         if self.env.in_server:
             self.Backend.ldap2.connect(ccache=ccache)
         else:
-            self.Backend.rpcclient.connect(verbose=(self.env.verbose >= 2),
+            self.Backend.rpcclient.connect(verbose=self.env.verbose,
                 fallback=self.env.fallback, delegate=self.env.delegate)
         if client_ip is not None:
             setattr(context, "client_ip", client_ip)

ipalib/rpc.py

@@ -761,7 +761,7 @@ class RPCClient(Connectible):
 
         return session_url
 
-    def create_connection(self, ccache=None, verbose=False, fallback=True,
+    def create_connection(self, ccache=None, verbose=0, fallback=True,
                           delegate=False, nss_dir=None):
         try:
             rpc_uri = self.env[self.env_rpc_uri_key]
@@ -965,11 +965,15 @@ class JSONServerProxy(object):
         payload = {'method': unicode(name), 'params': args, 'id': 0}
         version = args[1].get('version', VERSION_WITHOUT_CAPABILITIES)
 
+        if self.__verbose >= 2:
+            root_logger.info('Request: %s',
+                             json.dumps(payload, sort_keys=True, indent=4))
+
         response = self.__transport.request(
             self.__host,
             self.__handler,
             json.dumps(json_encode_binary(payload, version)),
-            verbose=self.__verbose,
+            verbose=self.__verbose >= 3,
         )
 
         try:
@@ -977,6 +981,9 @@ class JSONServerProxy(object):
         except ValueError, e:
             raise JSONError(str(e))
 
+        if self.__verbose >= 2:
+            root_logger.info('Response: %s',
+                             json.dumps(response, sort_keys=True, indent=4))
         error = response.get('error')
         if error:
             try: