From 06468e123bdcbf5930abdf9d5d9e2432a7159839 Mon Sep 17 00:00:00 2001 From: Michal Weglicki Date: Fri, 24 Jul 2015 10:42:38 +0100 Subject: Vanilla OVS support implementation JIRA: VSPERF-57 This patch implements Vanilla OVS support.It contains: * New IVswitch implementation: OvsVanilla, * New configuration contants, * New mandatory configuration variable: VSWITCH_VANILLA_PHY_PORT_NAMES for Vanilla OVS has been added, * Virtual ports are not yet implemented, * Some kernel modules wrapping methods has been moved from dpdk.py to tools. * Fixed bug where ovsdb hasn't been killed at the end of test case run on some platforms. Change-Id: I21a0d84dbc4004aae564d5547387a2563f2d1e5b Signed-off-by: Michal Weglicki Reviewed-by: Eugene Snider Reviewed-by: Gurpreet Singh Reviewed-by: Tv Rao Reviewed-by: Martin Klozik Reviewed-by: Billy O Mahony Reviewed-by: Maryam Tahhan --- src/dpdk/dpdk.py | 26 +++++--------------------- src/ovs/daemon.py | 32 ++++++++++++++++++++++++-------- 2 files changed, 29 insertions(+), 29 deletions(-) (limited to 'src') diff --git a/src/dpdk/dpdk.py b/src/dpdk/dpdk.py index 9b3d1385..01e1fb61 100644 --- a/src/dpdk/dpdk.py +++ b/src/dpdk/dpdk.py @@ -27,11 +27,14 @@ import locale from tools import tasks from conf import settings +from tools.module_manager import ModuleManager, KernelModuleInsertMode _LOGGER = logging.getLogger(__name__) RTE_PCI_TOOL = os.path.join( settings.getValue('RTE_SDK'), 'tools', 'dpdk_nic_bind.py') +_DPDK_MODULE_MANAGER = ModuleManager(KernelModuleInsertMode.MODPROBE) + # # system management # @@ -192,16 +195,8 @@ def _is_module_inserted(module): def _insert_modules(): """Ensure required modules are inserted on system. """ - for module in settings.getValue('SYS_MODULES'): - if _is_module_inserted(module): - continue - try: - tasks.run_task(['sudo', 'modprobe', module], _LOGGER, - 'Inserting module \'%s\'...' % module, True) - except subprocess.CalledProcessError: - _LOGGER.error('Unable to insert module \'%s\'.', module) - raise # fail catastrophically + _DPDK_MODULE_MANAGER.insert_modules(settings.getValue('SYS_MODULES')) mod_path_prefix = settings.getValue('OVS_DIR') _insert_module_group('OVS_MODULES', mod_path_prefix) @@ -237,18 +232,7 @@ def _remove_modules(): _remove_module_group('OVS_MODULES') _remove_module_group('DPDK_MODULES') - for module in settings.getValue('SYS_MODULES'): - # first check if module is loaded - if not _is_module_inserted(module): - continue - - try: - tasks.run_task(['sudo', 'rmmod', module], _LOGGER, - 'Removing module \'%s\'...' % module, True) - except subprocess.CalledProcessError: - _LOGGER.error('Unable to remove module \'%s\'.', module) - continue - + _DPDK_MODULE_MANAGER.remove_modules() def _remove_module_group(module_group): """Ensure all modules in a group are removed from the system. diff --git a/src/ovs/daemon.py b/src/ovs/daemon.py index 323644c6..db096353 100644 --- a/src/ovs/daemon.py +++ b/src/ovs/daemon.py @@ -44,12 +44,12 @@ class VSwitchd(tasks.Process): """ _ovsdb_pid = None _logfile = _LOG_FILE_VSWITCHD + _ovsdb_pidfile_path = os.path.join(settings.getValue('LOG_DIR'), + "ovsdb_pidfile.pid") - - _expect = r'EAL: Master l*core \d+ is ready' _proc_name = 'ovs-vswitchd' - def __init__(self, timeout=30, vswitchd_args=None): + def __init__(self, timeout=30, vswitchd_args=None, expected_cmd=None): """Initialise the wrapper with a specific start timeout and extra parameters. @@ -60,8 +60,8 @@ class VSwitchd(tasks.Process): """ self._logger = logging.getLogger(__name__) self._timeout = timeout + self._expect = expected_cmd; vswitchd_args = vswitchd_args or [] - self._cmd = ['sudo', '-E', _OVS_VSWITCHD_BIN] + vswitchd_args # startup/shutdown @@ -72,6 +72,7 @@ class VSwitchd(tasks.Process): :returns: None :raises: pexpect.EOF, pexpect.TIMEOUT """ + self._reset_ovsdb() self._start_ovsdb() # this has to be started first @@ -79,6 +80,7 @@ class VSwitchd(tasks.Process): super(VSwitchd, self).start() self.relinquish() except (pexpect.EOF, pexpect.TIMEOUT) as exc: + logging.error("Exception during VSwitch start.") self._kill_ovsdb() raise exc @@ -125,10 +127,11 @@ class VSwitchd(tasks.Process): self._logger, 'Creating ovsdb configuration database...') - self._ovsdb_pid = tasks.run_background_task( + tasks.run_background_task( ['sudo', _OVSDB_SERVER_BIN, '--remote=punix:%s' % os.path.join(_OVS_VAR_DIR, 'db.sock'), - '--remote=db:Open_vSwitch,Open_vSwitch,manager_options'], + '--remote=db:Open_vSwitch,Open_vSwitch,manager_options', + '--pidfile=' + self._ovsdb_pidfile_path , '--overwrite-pidfile'], self._logger, 'Starting ovsdb-server...') @@ -137,6 +140,19 @@ class VSwitchd(tasks.Process): :returns: None """ - if self._ovsdb_pid: - tasks.run_task(['sudo', 'kill', '-15', str(self._ovsdb_pid)], + with open (self._ovsdb_pidfile_path, "r") as pidfile: + ovsdb_pid = pidfile.read().strip() + + self._logger.info("Killing ovsdb with pid: " + ovsdb_pid) + + if ovsdb_pid: + tasks.run_task(['sudo', 'kill', '-15', str(ovsdb_pid)], self._logger, 'Killing ovsdb-server...') + + @staticmethod + def getDbSockPath(): + """Method returns location of db.sock file + + :returns: path to db.sock file. + """ + return os.path.join(_OVS_VAR_DIR, 'db.sock') -- cgit 1.2.3-korg