LNST-developers September 2014

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119 discussions

[lnst] NetTestSlave: redo mapping of devices that change netns
by Jiří Pírko 29 Sep '14

29 Sep '14

commit b3e6b4a754be30844054d8a949c05b425a92f1b1 Author: Ondrej Lichtner <olichtne(a)redhat.com> Date: Mon Sep 29 16:08:25 2014 +0200 NetTestSlave: redo mapping of devices that change netns This patch adds a new slave method "unmap_if" that removes the mapping of the specified interface id. I also changed how interface mapping and network namespaces work - previously the mapping was copied from the main process when the namespace was created, now the mapping gets cleared and each interface is mapped separately when it's moved to its target netns and unmapped when it's returning. Signed-off-by: Ondrej Lichtner <olichtne(a)redhat.com> Signed-off-by: Jiri Pirko <jiri(a)resnulli.us> lnst/Slave/InterfaceManager.py | 3 +++ lnst/Slave/NetTestSlave.py | 27 ++++++++++++--------------- 2 files changed, 15 insertions(+), 15 deletions(-) --- diff --git a/lnst/Slave/InterfaceManager.py b/lnst/Slave/InterfaceManager.py index 5353eb8..fb191b0 100644 --- a/lnst/Slave/InterfaceManager.py +++ b/lnst/Slave/InterfaceManager.py @@ -47,6 +47,9 @@ class InterfaceManager(object): self._id_mapping[if_id] = if_index return + def unmap_if(self, if_id): + del self._id_mapping[if_id] + def clear_if_mapping(self): self._id_mapping = {} diff --git a/lnst/Slave/NetTestSlave.py b/lnst/Slave/NetTestSlave.py index ff29e9e..eeb0337 100644 --- a/lnst/Slave/NetTestSlave.py +++ b/lnst/Slave/NetTestSlave.py @@ -119,6 +119,10 @@ class SlaveMethods: return devices + def unmap_if(self, if_id): + self._if_manager.unmap_if(if_id) + return True + def get_devices(self): self._if_manager.rescan_devices() devices = self._if_manager.get_devices() @@ -191,13 +195,6 @@ class SlaveMethods: hwaddr = dev1.get_hwaddr() self.set_if_netns(if_id1, config1["netns"]) - msg = {"type": "command", "method_name": "map_if_by_hwaddr", - "args": [if_id1, hwaddr]} - self._server_handler.send_data_to_netns(config1["netns"], msg) - result = self._slave_server.wait_for_result(config1["netns"]) - if len(result["result"]) != 1: - raise Exception("Mapping failed.") - msg = {"type": "command", "method_name": "configure_interface", "args": [if_id1, config1]} self._server_handler.send_data_to_netns(config1["netns"], msg) @@ -210,13 +207,6 @@ class SlaveMethods: hwaddr = dev2.get_hwaddr() self.set_if_netns(if_id2, config2["netns"]) - msg = {"type": "command", "method_name": "map_if_by_hwaddr", - "args": [if_id2, hwaddr]} - self._server_handler.send_data_to_netns(config2["netns"], msg) - result = self._slave_server.wait_for_result(config2["netns"]) - if len(result["result"]) != 1: - raise Exception("Mapping failed.") - msg = {"type": "command", "method_name": "configure_interface", "args": [if_id2, config2]} self._server_handler.send_data_to_netns(config2["netns"], msg) @@ -544,6 +534,7 @@ class SlaveMethods: self._server_handler.clear_netns_connections() self._if_manager.reconnect_netlink() + self._if_manager.clear_if_mapping() self._server_handler.add_connection('netlink', self._if_manager.get_nl_socket()) @@ -581,9 +572,14 @@ class SlaveMethods: device = self._if_manager.get_mapped_device(if_id) dev_name = device.get_name() device.set_netns(netns) + hwaddr = device.get_hwaddr() exec_cmd("ip link set %s netns %d" % (dev_name, netns_pid)) - return True + msg = {"type": "command", "method_name": "map_if_by_hwaddr", + "args": [if_id, hwaddr]} + self._server_handler.send_data_to_netns(netns, msg) + result = self._slave_server.wait_for_result(netns) + return result def return_if_netns(self, if_id): device = self._if_manager.get_mapped_device(if_id) @@ -591,6 +587,7 @@ class SlaveMethods: dev_name = device.get_name() ppid = os.getppid() exec_cmd("ip link set %s netns %d" % (dev_name, ppid)) + self._if_manager.unmap_if(if_id) return True else: netns = device.get_netns()

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[lnst] lnst-ctl: fix description of -s option
by Jiří Pírko 29 Sep '14

29 Sep '14

commit bcff4da267626f962fde23b87519bca66ba123e5 Author: Ondrej Lichtner <olichtne(a)redhat.com> Date: Mon Sep 29 16:07:50 2014 +0200 lnst-ctl: fix description of -s option The description of the -s option stayed wrong after I changed what it meant. This patch fixes that. Signed-off-by: Ondrej Lichtner <olichtne(a)redhat.com> Signed-off-by: Jiri Pirko <jiri(a)resnulli.us> lnst-ctl | 5 +++-- 1 files changed, 3 insertions(+), 2 deletions(-) --- diff --git a/lnst-ctl b/lnst-ctl index 77b8ec4..0f1f46e 100755 --- a/lnst-ctl +++ b/lnst-ctl @@ -49,8 +49,9 @@ def usage(retval=0): "network communication during the test" print " -r, --reduce-sync reduces resource synchronization "\ "for python tasks, see documentation" - print " -s, --xslt-url=URL URL to a XSLT document that the "\ - "result xml will reference, only usefull when -x is used as well" + print " -s, --xslt-url=URL URL to a XSLT document that will "\ + "be used when transforming the xml result file, only useful "\ + "when -t is used as well" print " -t, --html=FILE generate a formatted result html" print " -x, --result=FILE file to write xml_result" sys.exit(retval)

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[PATCH 1/4] NetTestSlave: redo mapping of devices that change netns
by Ondrej Lichtner 29 Sep '14

29 Sep '14

From: Ondrej Lichtner <olichtne(a)redhat.com> This patch adds a new slave method "unmap_if" that removes the mapping of the specified interface id. I also changed how interface mapping and network namespaces work - previously the mapping was copied from the main process when the namespace was created, now the mapping gets cleared and each interface is mapped separately when it's moved to its target netns and unmapped when it's returning. Signed-off-by: Ondrej Lichtner <olichtne(a)redhat.com> --- lnst/Slave/InterfaceManager.py | 3 +++ lnst/Slave/NetTestSlave.py | 27 ++++++++++++--------------- 2 files changed, 15 insertions(+), 15 deletions(-) diff --git a/lnst/Slave/InterfaceManager.py b/lnst/Slave/InterfaceManager.py index 5353eb8..fb191b0 100644 --- a/lnst/Slave/InterfaceManager.py +++ b/lnst/Slave/InterfaceManager.py @@ -47,6 +47,9 @@ class InterfaceManager(object): self._id_mapping[if_id] = if_index return + def unmap_if(self, if_id): + del self._id_mapping[if_id] + def clear_if_mapping(self): self._id_mapping = {} diff --git a/lnst/Slave/NetTestSlave.py b/lnst/Slave/NetTestSlave.py index ff29e9e..eeb0337 100644 --- a/lnst/Slave/NetTestSlave.py +++ b/lnst/Slave/NetTestSlave.py @@ -119,6 +119,10 @@ class SlaveMethods: return devices + def unmap_if(self, if_id): + self._if_manager.unmap_if(if_id) + return True + def get_devices(self): self._if_manager.rescan_devices() devices = self._if_manager.get_devices() @@ -191,13 +195,6 @@ class SlaveMethods: hwaddr = dev1.get_hwaddr() self.set_if_netns(if_id1, config1["netns"]) - msg = {"type": "command", "method_name": "map_if_by_hwaddr", - "args": [if_id1, hwaddr]} - self._server_handler.send_data_to_netns(config1["netns"], msg) - result = self._slave_server.wait_for_result(config1["netns"]) - if len(result["result"]) != 1: - raise Exception("Mapping failed.") - msg = {"type": "command", "method_name": "configure_interface", "args": [if_id1, config1]} self._server_handler.send_data_to_netns(config1["netns"], msg) @@ -210,13 +207,6 @@ class SlaveMethods: hwaddr = dev2.get_hwaddr() self.set_if_netns(if_id2, config2["netns"]) - msg = {"type": "command", "method_name": "map_if_by_hwaddr", - "args": [if_id2, hwaddr]} - self._server_handler.send_data_to_netns(config2["netns"], msg) - result = self._slave_server.wait_for_result(config2["netns"]) - if len(result["result"]) != 1: - raise Exception("Mapping failed.") - msg = {"type": "command", "method_name": "configure_interface", "args": [if_id2, config2]} self._server_handler.send_data_to_netns(config2["netns"], msg) @@ -544,6 +534,7 @@ class SlaveMethods: self._server_handler.clear_netns_connections() self._if_manager.reconnect_netlink() + self._if_manager.clear_if_mapping() self._server_handler.add_connection('netlink', self._if_manager.get_nl_socket()) @@ -581,9 +572,14 @@ class SlaveMethods: device = self._if_manager.get_mapped_device(if_id) dev_name = device.get_name() device.set_netns(netns) + hwaddr = device.get_hwaddr() exec_cmd("ip link set %s netns %d" % (dev_name, netns_pid)) - return True + msg = {"type": "command", "method_name": "map_if_by_hwaddr", + "args": [if_id, hwaddr]} + self._server_handler.send_data_to_netns(netns, msg) + result = self._slave_server.wait_for_result(netns) + return result def return_if_netns(self, if_id): device = self._if_manager.get_mapped_device(if_id) @@ -591,6 +587,7 @@ class SlaveMethods: dev_name = device.get_name() ppid = os.getppid() exec_cmd("ip link set %s netns %d" % (dev_name, ppid)) + self._if_manager.unmap_if(if_id) return True else: netns = device.get_netns() -- 1.9.3

2 4

[PATCH] lnst-ctl: fix description of -s option
by Ondrej Lichtner 29 Sep '14

29 Sep '14

From: Ondrej Lichtner <olichtne(a)redhat.com> The description of the -s option stayed wrong after I changed what it meant. This patch fixes that. Signed-off-by: Ondrej Lichtner <olichtne(a)redhat.com> --- lnst-ctl | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/lnst-ctl b/lnst-ctl index 77b8ec4..cde604e 100755 --- a/lnst-ctl +++ b/lnst-ctl @@ -49,8 +49,9 @@ def usage(retval=0): "network communication during the test" print " -r, --reduce-sync reduces resource synchronization "\ "for python tasks, see documentation" - print " -s, --xslt-url=URL URL to a XSLT document that the "\ - "result xml will reference, only usefull when -x is used as well" + print " -s, --xslt-url=URL URL to a XSLT document that will "\ + "be used when transforming the xml result file, only usefull "\ + "when -t is used as well" print " -t, --html=FILE generate a formatted result html" print " -x, --result=FILE file to write xml_result" sys.exit(retval) -- 1.9.3

2 1

[lnst] lnst-ctl: call get_recipe_result from single point and remove unused summary[]
by Jiří Pírko 29 Sep '14

29 Sep '14

commit 50e424187a6a2a25a75ae7bae6c65dce2c639d75 Author: Jiri Pirko <jiri(a)resnulli.us> Date: Mon Sep 29 14:07:24 2014 +0200 lnst-ctl: call get_recipe_result from single point and remove unused summary[] Signed-off-by: Jiri Pirko <jiri(a)resnulli.us> lnst-ctl | 32 +++++++++++++------------------- 1 files changed, 13 insertions(+), 19 deletions(-) --- diff --git a/lnst-ctl b/lnst-ctl index b4912c0..77b8ec4 100755 --- a/lnst-ctl +++ b/lnst-ctl @@ -110,7 +110,7 @@ def get_recipe_result(action, file_path, log_ctl, res_serializer, if not res["passed"] and retval < RETVAL_FAIL: retval = RETVAL_FAIL - return (file_path, res, retval) + return retval def recipe_head_log_entry(filename): head_str = "\nProcessing recipe file \"%s\"\n" % filename @@ -237,13 +237,11 @@ def main(): NetTestController.remove_saved_machine_config() return 0 - summary = [] - - retval = RETVAL_PASS - res_serializer = NetTestResultSerializer() if recipes == []: logging.error("No recipe specified!") usage(RETVAL_ERR) + + recipe_files = [] for recipe_path in recipes: if os.path.isdir(recipe_path): all_files = [] @@ -255,21 +253,17 @@ def main(): for f in all_files: recipe_file = os.path.join(recipe_path, f) if re.match(r'^.*\.xml$', recipe_file): - fp, res, rv = get_recipe_result(action, recipe_file, - log_ctl, res_serializer, - pool_checks, packet_capture, - defined_aliases, - overriden_aliases, - reduce_sync) + recipe_files.append(recipe_file) else: - fp, res, rv = get_recipe_result(action, recipe_path, - log_ctl, res_serializer, - pool_checks, packet_capture, - defined_aliases, - overriden_aliases, - reduce_sync) - - summary.append((fp, res)) + recipe_files.append(recipe_path) + + retval = RETVAL_PASS + res_serializer = NetTestResultSerializer() + for recipe_file in recipe_files: + rv = get_recipe_result(action, recipe_file, log_ctl, res_serializer, + pool_checks, packet_capture, + defined_aliases, overriden_aliases, + reduce_sync) if rv > retval: retval = rv

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[lnst] lnst-ctl: move NetTestController contruction into get_recipe_result
by Jiří Pírko 29 Sep '14

29 Sep '14

commit fe4d49a78a553aedc6f795416c4d2e8ec778296c Author: Jiri Pirko <jiri(a)resnulli.us> Date: Mon Sep 29 14:07:23 2014 +0200 lnst-ctl: move NetTestController contruction into get_recipe_result and avoid unnecessary long arg lines Signed-off-by: Jiri Pirko <jiri(a)resnulli.us> lnst-ctl | 24 +++++++++--------------- 1 files changed, 9 insertions(+), 15 deletions(-) --- diff --git a/lnst-ctl b/lnst-ctl index 0ee16f1..b4912c0 100755 --- a/lnst-ctl +++ b/lnst-ctl @@ -69,17 +69,7 @@ def store_alias(alias_def, aliases_dict): aliases_dict[name] = value -def process_recipe(action, file_path, log_ctl, res_serializer, - pool_checks, packet_capture, - defined_aliases, overriden_aliases, - reduce_sync): - nettestctl = NetTestController(file_path, log_ctl, - res_serializer=res_serializer, - pool_checks=pool_checks, - packet_capture=packet_capture, - defined_aliases=defined_aliases, - overriden_aliases=overriden_aliases, - reduce_sync=reduce_sync) +def exec_action(action, nettestctl): if action == "run": return nettestctl.run_recipe() elif action == "config_only": @@ -97,12 +87,16 @@ def get_recipe_result(action, file_path, log_ctl, res_serializer, retval = RETVAL_PASS + nettestctl = NetTestController(file_path, log_ctl, + res_serializer=res_serializer, + pool_checks=pool_checks, + packet_capture=packet_capture, + defined_aliases=defined_aliases, + overriden_aliases=overriden_aliases, + reduce_sync=reduce_sync) res = {} try: - res = process_recipe(action, file_path, log_ctl, res_serializer, - pool_checks, packet_capture, - defined_aliases, overriden_aliases, - reduce_sync): + res = exec_action(action, nettestctl) except Exception as err: log_exc_traceback() logging.error(err)

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[lnst] NetTestController: make "packet_capture" a constructor parameter
by Jiří Pírko 29 Sep '14

29 Sep '14

commit f1f478b8d9f3014ef39aae19302587fa9f25c83e Author: Jiri Pirko <jiri(a)resnulli.us> Date: Mon Sep 29 14:07:22 2014 +0200 NetTestController: make "packet_capture" a constructor parameter Signed-off-by: Jiri Pirko <jiri(a)resnulli.us> lnst-ctl | 3 ++- lnst/Controller/NetTestController.py | 8 +++++--- 2 files changed, 7 insertions(+), 4 deletions(-) --- diff --git a/lnst-ctl b/lnst-ctl index 71d5522..0ee16f1 100755 --- a/lnst-ctl +++ b/lnst-ctl @@ -76,11 +76,12 @@ def process_recipe(action, file_path, log_ctl, res_serializer, nettestctl = NetTestController(file_path, log_ctl, res_serializer=res_serializer, pool_checks=pool_checks, + packet_capture=packet_capture, defined_aliases=defined_aliases, overriden_aliases=overriden_aliases, reduce_sync=reduce_sync) if action == "run": - return nettestctl.run_recipe(packet_capture) + return nettestctl.run_recipe() elif action == "config_only": return nettestctl.config_only_recipe() elif action == "match_setup": diff --git a/lnst/Controller/NetTestController.py b/lnst/Controller/NetTestController.py index 0848a22..da7df41 100644 --- a/lnst/Controller/NetTestController.py +++ b/lnst/Controller/NetTestController.py @@ -51,6 +51,7 @@ def ignore_event(**kwarg): class NetTestController: def __init__(self, recipe_path, log_ctl, res_serializer=None, pool_checks=True, + packet_capture=False, defined_aliases=None, overriden_aliases=None, reduce_sync=False): self._res_serializer = res_serializer @@ -58,6 +59,7 @@ class NetTestController: self._log_ctl = log_ctl self._recipe_path = recipe_path self._msg_dispatcher = MessageDispatcher(log_ctl) + self._packet_capture = packet_capture self._reduce_sync = reduce_sync self._parser = RecipeParser(recipe_path) @@ -593,7 +595,7 @@ class NetTestController: self._cleanup_slaves(deconfigure=False) return {"passed": True} - def run_recipe(self, packet_capture=False): + def run_recipe(self): try: self._prepare_provisioning() self._prepare_tasks() @@ -604,7 +606,7 @@ class NetTestController: self._cleanup_slaves() raise - if packet_capture: + if self._packet_capture: self._start_packet_capture() err = None @@ -614,7 +616,7 @@ class NetTestController: logging.error("Recipe execution terminated by unexpected exception") raise finally: - if packet_capture: + if self._packet_capture: self._stop_packet_capture() self._gather_capture_files() self._cleanup_slaves()

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[lnst] lnst-ctl: remove unneed initialization of recipe_path variable
by Jiří Pírko 29 Sep '14

29 Sep '14

commit 66ae0c369249ab3548bddcee9628618783acc585 Author: Jiri Pirko <jiri(a)resnulli.us> Date: Mon Sep 29 14:07:21 2014 +0200 lnst-ctl: remove unneed initialization of recipe_path variable Signed-off-by: Jiri Pirko <jiri(a)resnulli.us> lnst-ctl | 1 - 1 files changed, 0 insertions(+), 1 deletions(-) --- diff --git a/lnst-ctl b/lnst-ctl index 1a119b2..71d5522 100755 --- a/lnst-ctl +++ b/lnst-ctl @@ -172,7 +172,6 @@ def main(): f.write(lnst_config.dump_config()) debug = 0 - recipe_path = None result_path = None html_result_path = None xslt_url = None

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[lnst] lnst-ctl: unite get_recipe_result and process_recipe param order with NetTestController constructor
by Jiří Pírko 29 Sep '14

29 Sep '14

commit 62513f7f3bb9bf2c08f56e627d7b7dc83d0f85bb Author: Jiri Pirko <jiri(a)resnulli.us> Date: Mon Sep 29 14:07:20 2014 +0200 lnst-ctl: unite get_recipe_result and process_recipe param order with NetTestController constructor Signed-off-by: Jiri Pirko <jiri(a)resnulli.us> lnst-ctl | 32 +++++++++++++++++--------------- 1 files changed, 17 insertions(+), 15 deletions(-) --- diff --git a/lnst-ctl b/lnst-ctl index fc8349d..1a119b2 100755 --- a/lnst-ctl +++ b/lnst-ctl @@ -69,9 +69,10 @@ def store_alias(alias_def, aliases_dict): aliases_dict[name] = value -def process_recipe(action, file_path, res_serializer, - packet_capture, log_ctl, pool_checks, - defined_aliases, overriden_aliases, reduce_sync): +def process_recipe(action, file_path, log_ctl, res_serializer, + pool_checks, packet_capture, + defined_aliases, overriden_aliases, + reduce_sync): nettestctl = NetTestController(file_path, log_ctl, res_serializer=res_serializer, pool_checks=pool_checks, @@ -85,8 +86,9 @@ def process_recipe(action, file_path, res_serializer, elif action == "match_setup": return nettestctl.match_setup() -def get_recipe_result(args, file_path, res_serializer, packet_capture, log_ctl, - pool_checks, defined_aliases, overriden_aliases, +def get_recipe_result(action, file_path, log_ctl, res_serializer, + pool_checks, packet_capture, + defined_aliases, overriden_aliases, reduce_sync): res_serializer.add_recipe(file_path) log_ctl.set_recipe(file_path) @@ -96,9 +98,10 @@ def get_recipe_result(args, file_path, res_serializer, packet_capture, log_ctl, res = {} try: - res = process_recipe(args, file_path, res_serializer, - packet_capture, log_ctl, pool_checks, - defined_aliases, overriden_aliases, reduce_sync) + res = process_recipe(action, file_path, log_ctl, res_serializer, + pool_checks, packet_capture, + defined_aliases, overriden_aliases, + reduce_sync): except Exception as err: log_exc_traceback() logging.error(err) @@ -259,18 +262,17 @@ def main(): recipe_file = os.path.join(recipe_path, f) if re.match(r'^.*\.xml$', recipe_file): fp, res, rv = get_recipe_result(action, recipe_file, - res_serializer, - packet_capture, - log_ctl, pool_checks, + log_ctl, res_serializer, + pool_checks, packet_capture, defined_aliases, overriden_aliases, reduce_sync) else: fp, res, rv = get_recipe_result(action, recipe_path, - res_serializer, - packet_capture, - log_ctl, pool_checks, - defined_aliases, overriden_aliases, + log_ctl, res_serializer, + pool_checks, packet_capture, + defined_aliases, + overriden_aliases, reduce_sync) summary.append((fp, res))

1 0

[lnst] lnst-ctl: sort help message and getopt input data and parsing
by Jiří Pírko 29 Sep '14

29 Sep '14

commit 80c7235c37818ff7977c96369cbbec63415eb079 Author: Jiri Pirko <jiri(a)resnulli.us> Date: Mon Sep 29 14:07:19 2014 +0200 lnst-ctl: sort help message and getopt input data and parsing Signed-off-by: Jiri Pirko <jiri(a)resnulli.us> lnst-ctl | 30 ++++++++++++++++++++---------- 1 files changed, 20 insertions(+), 10 deletions(-) --- diff --git a/lnst-ctl b/lnst-ctl index 282bfe3..fc8349d 100755 --- a/lnst-ctl +++ b/lnst-ctl @@ -36,9 +36,9 @@ def usage(retval=0): print "ACTION = [ run | config_only | deconfigure | match_setup ]" print "" print "OPTIONS" - print " -a, --define-alias name=value define top-level alias" print " -A, --override-alias name=value define top-level alias that " \ "will override any other definitions in the recipe" + print " -a, --define-alias name=value define top-level alias" print " -c, --config=FILE load additional config file" print " -d, --debug emit debugging messages" print " -h, --help print this message" @@ -47,12 +47,12 @@ def usage(retval=0): "machines in the pool" print " -p, --packet-capture capture and log all ongoing " \ "network communication during the test" - print " -x, --result=FILE file to write xml_result" - print " -t, --html=FILE generate a formatted result html" - print " -s, --xslt-url=URL URL to a XSLT document that the "\ - "result xml will reference, only usefull when -x is used as well" print " -r, --reduce-sync reduces resource synchronization "\ "for python tasks, see documentation" + print " -s, --xslt-url=URL URL to a XSLT document that the "\ + "result xml will reference, only usefull when -x is used as well" + print " -t, --html=FILE generate a formatted result html" + print " -x, --result=FILE file to write xml_result" sys.exit(retval) def store_alias(alias_def, aliases_dict): @@ -127,11 +127,21 @@ def main(): try: opts, args = getopt.getopt( sys.argv[1:], - "dhrc:x:t:s:poma:A:", - ["debug", "help", "config", "result=", - "packet-capture", "disable-pool-checks", "no-colours", - "define_alias", "override_alias", "reduce-sync", "xslt-url", - "html"] + "A:a:c:dhmoprs:t:x:", + [ + "override_alias", + "define_alias", + "config", + "debug", + "help", + "no-colours", + "disable-pool-checks", + "packet-capture", + "reduce-sync", + "xslt-url", + "html" + "result=", + ] ) except getopt.GetoptError as err: print str(err)

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LNST-developers September 2014