diff --git a/bin/client.py b/bin/client.py
index 3df3de5e..6f3db233 100755
--- a/bin/client.py
+++ b/bin/client.py
@@ -20,6 +20,7 @@ import netaddr
 import os
 import re
 import requests
+import simplejson as json
 import socket
 import sys
 import time
@@ -34,6 +35,7 @@ import switch_virtualenv
 from compass.apiclient.restful import Client
 from compass.utils import flags
 from compass.utils import logsetting
+from compass.utils import util
 
 
 flags.add('compass_server',
@@ -108,6 +110,9 @@ flags.add('domain',
 flags.add('search_path',
           help='search path',
           default='')
+flags.add('local_repo_url',
+          help='local repo url',
+          default='')
 flags.add('default_gateway',
           help='default gateway',
           default='')
@@ -117,6 +122,9 @@ flags.add('server_credential',
               '<username>=<password>'
           ),
           default='root=root')
+flags.add('os_config_json_file',
+          help='json formatted os config file',
+          default='')
 flags.add('service_credentials',
           help=(
               'comma seperated service credentials formatted as '
@@ -150,6 +158,9 @@ flags.add('network_mapping',
               '<network_type>=<interface_name>'
           ),
           default='')
+flags.add('package_config_json_file',
+          help='json formatted os config file',
+          default='')
 flags.add('host_roles',
           help=(
               'semicomma separated host roles '
@@ -176,6 +187,14 @@ flags.add('dashboard_link_pattern',
           default=r'(?m)(http://\d+\.\d+\.\d+\.\d+:5000/v2\.0)')
 
 
+def _load_config(config_filename):
+    if not config_filename:
+        return {}
+    with open(config_filename) as config_file:
+        content = config_file.read()
+        return json.loads(content)
+
+
 def _get_client():
     """get apiclient object."""
     return Client(flags.OPTIONS.compass_server)
@@ -617,6 +636,14 @@ def _set_cluster_os_config(client, cluster_id, host_ips):
         os_config['partition'][partition_name] = {
             partition_type: partition_value
         }
+    local_repo_url = flags.OPTIONS.local_repo_url
+    if local_repo_url:
+        os_config['general']['local_repo'] = local_repo_url
+    os_config_filename = flags.OPTIONS.os_config_json_file
+    if os_config_filename:
+        util.merge_dict(
+            os_config, _load_config(os_config_filename)
+        )
     status, resp = client.update_cluster_config(
         cluster_id, os_config=os_config)
     logging.info(
@@ -689,12 +716,6 @@ def _set_host_networking(client, host_mapping, subnet_mapping):
 def _set_cluster_package_config(client, cluster_id):
     """set cluster package config."""
     package_config = {
-        'security': {
-            'service_credentials': {
-            },
-            'console_credentials': {
-            }
-        }
     }
     service_credentials = [
         service_credential
@@ -715,7 +736,11 @@ def _set_cluster_package_config(client, cluster_id):
                 'there is no = in service %s security' % service_name
             )
         username, password = service_pair.split('=', 1)
-        package_config['security']['service_credentials'][service_name] = {
+        package_config.setdefault(
+            'security', {}
+        ).setdefault(
+            'service_credentials', {}
+        )[service_name] = {
             'username': username,
             'password': password
         }
@@ -738,15 +763,28 @@ def _set_cluster_package_config(client, cluster_id):
                 'there is no = in console %s security' % console_name
             )
         username, password = console_pair.split('=', 1)
-        package_config['security']['console_credentials'][console_name] = {
+        package_config.setdefault(
+            'security', {}
+        ).setdefault(
+            'console_credentials', {}
+        )[console_name] = {
             'username': username,
             'password': password
         }
-    package_config['network_mapping'] = dict([
+    network_mapping = dict([
         network_pair.split('=', 1)
         for network_pair in flags.OPTIONS.network_mapping.split(',')
         if '=' in network_pair
     ])
+    for network_type, network in network_mapping.items():
+        package_config.setdefault(
+            'network_mapping', {}
+        )[network_type] = network
+    package_config_filename = flags.OPTIONS.package_config_json_file
+    if package_config_filename:
+        util.merge_dict(
+            package_config, _load_config(package_config_filename)
+        )
     status, resp = client.update_cluster_config(
         cluster_id, package_config=package_config)
     logging.info(
diff --git a/regtest/regtest.conf b/regtest/regtest.conf
index 9119ffed..efbfa51c 100644
--- a/regtest/regtest.conf
+++ b/regtest/regtest.conf
@@ -37,6 +37,9 @@ export HOME_PERCENTAGE=${HOME_PERCENTAGE:-'5'}
 export TMP_PERCENTAGE=${TMP_PERCENTAGE:-'5'}
 export VAR_PERCENTAGE=${VAR_PERCENTAGE:-'10'}
 export PARTITION=${PARTITION:-"/home=${HOME_PERCENTAGE}%,/tmp=${TMP_PERCENTAGE}%,/var=${VAR_PERCENTAGE}%"}
+export LOCAL_REPO_URL=${LOCAL_REPO_URL:-}
+export OS_CONFIG_FILENAME=${OS_CONFIG_FILENAME:-}
+export PACKAGE_CONFIG_FILENAME=${PACKAGE_CONFIG_FILENAME:-}
 
 function ip_subnet {
     ip_addr=$1
diff --git a/regtest/regtest.sh b/regtest/regtest.sh
index 1c7d92f7..57fd5d3c 100755
--- a/regtest/regtest.sh
+++ b/regtest/regtest.sh
@@ -160,7 +160,7 @@ else
     POLL_SWITCHES_FLAG="poll_switches"
 fi
 
-${CLIENT_SCRIPT} --logfile= --loglevel=debug --logdir= --compass_server="${COMPASS_SERVER_URL}" --compass_user_email="${COMPASS_USER_EMAIL}" --compass_user_password="${COMPASS_USER_PASSWORD}" --cluster_name="${CLUSTER_NAME}" --language="${LANGUAGE}" --timezone="${TIMEZONE}" --hostnames="${HOSTNAMES}" --partitions="${PARTITIONS}" --subnets="${SUBNETS}" --adapter_os_pattern="${ADAPTER_OS_PATTERN}" --adapter_name="${ADAPTER_NAME}" --adapter_target_system_pattern="${ADAPTER_TARGET_SYSTEM_PATTERN}" --adapter_flavor_pattern="${ADAPTER_FLAVOR_PATTERN}" --http_proxy="${PROXY}" --https_proxy="${PROXY}" --no_proxy="${IGNORE_PROXY}" --ntp_server="${NTP_SERVER}" --dns_servers="${NAMESERVERS}" --domain="${DOMAIN}" --search_path="${SEARCH_PATH}" --default_gateway="${GATEWAY}" --server_credential="${SERVER_CREDENTIAL}" --service_credentials="${SERVICE_CREDENTIALS}" --console_credentials="${CONSOLE_CREDENTIALS}" --host_networks="${HOST_NETWORKS}" --network_mapping="${NETWORK_MAPPING}" --host_roles="${HOST_ROLES}" --default_roles="${DEFAULT_ROLES}" --switch_ips="${SWITCH_IPS}" --machines="${machines}" --switch_credential="${SWITCH_CREDENTIAL}" --deployment_timeout="${DEPLOYMENT_TIMEOUT}" --${POLL_SWITCHES_FLAG} --dashboard_url="${DASHBOARD_URL}"
+${CLIENT_SCRIPT} --logfile= --loglevel=debug --logdir= --compass_server="${COMPASS_SERVER_URL}" --compass_user_email="${COMPASS_USER_EMAIL}" --compass_user_password="${COMPASS_USER_PASSWORD}" --cluster_name="${CLUSTER_NAME}" --language="${LANGUAGE}" --timezone="${TIMEZONE}" --hostnames="${HOSTNAMES}" --partitions="${PARTITIONS}" --subnets="${SUBNETS}" --adapter_os_pattern="${ADAPTER_OS_PATTERN}" --adapter_name="${ADAPTER_NAME}" --adapter_target_system_pattern="${ADAPTER_TARGET_SYSTEM_PATTERN}" --adapter_flavor_pattern="${ADAPTER_FLAVOR_PATTERN}" --http_proxy="${PROXY}" --https_proxy="${PROXY}" --no_proxy="${IGNORE_PROXY}" --ntp_server="${NTP_SERVER}" --dns_servers="${NAMESERVERS}" --domain="${DOMAIN}" --search_path="${SEARCH_PATH}" --default_gateway="${GATEWAY}" --server_credential="${SERVER_CREDENTIAL}" --local_repo_url="${LOCAL_REPO_URL}" --os_config_json_file="${OS_CONFIG_FILENAME}" --service_credentials="${SERVICE_CREDENTIALS}" --console_credentials="${CONSOLE_CREDENTIALS}" --host_networks="${HOST_NETWORKS}" --network_mapping="${NETWORK_MAPPING}" --package_config_json_file="${PACKAGE_CONFIG_FILENAME}" --host_roles="${HOST_ROLES}" --default_roles="${DEFAULT_ROLES}" --switch_ips="${SWITCH_IPS}" --machines="${machines}" --switch_credential="${SWITCH_CREDENTIAL}" --deployment_timeout="${DEPLOYMENT_TIMEOUT}" --${POLL_SWITCHES_FLAG} --dashboard_url="${DASHBOARD_URL}"
 rc=$?
 deactivate
 # Tear down machines after the test