From patchwork Tue Sep 14 22:25:35 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lucas Meneghel Rodrigues X-Patchwork-Id: 181192 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id o8EMQpsj022755 for ; Tue, 14 Sep 2010 22:26:51 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754789Ab0INW0M (ORCPT ); Tue, 14 Sep 2010 18:26:12 -0400 Received: from mx1.redhat.com ([209.132.183.28]:36344 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754477Ab0INW0L (ORCPT ); Tue, 14 Sep 2010 18:26:11 -0400 Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id o8EMQAuj024567 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 14 Sep 2010 18:26:10 -0400 Received: from freedom.redhat.com (vpn-10-95.rdu.redhat.com [10.11.10.95]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id o8EMPluq004475; Tue, 14 Sep 2010 18:26:09 -0400 From: Lucas Meneghel Rodrigues To: autotest@test.kernel.org Cc: kvm@vger.kernel.org, Amos Kong Subject: [PATCH 10/18] KVM test: Add a subtest of nic promisc Date: Tue, 14 Sep 2010 19:25:35 -0300 Message-Id: <1284503143-5993-11-git-send-email-lmr@redhat.com> In-Reply-To: <1284503143-5993-1-git-send-email-lmr@redhat.com> References: <1284503143-5993-1-git-send-email-lmr@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.12 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter1.kernel.org [140.211.167.41]); Tue, 14 Sep 2010 22:26:52 +0000 (UTC) diff --git a/client/tests/kvm/tests/nic_promisc.py b/client/tests/kvm/tests/nic_promisc.py new file mode 100644 index 0000000..e13820a --- /dev/null +++ b/client/tests/kvm/tests/nic_promisc.py @@ -0,0 +1,103 @@ +import logging +from autotest_lib.client.common_lib import error +from autotest_lib.client.bin import utils +import kvm_utils, kvm_test_utils + +def run_nic_promisc(test, params, env): + """ + Test nic driver in promisc mode: + + 1) Boot up a VM. + 2) Repeatedly enable/disable promiscuous mode in guest. + 3) TCP data transmission from host to guest, and from guest to host, + with 1/1460/65000/100000000 bytes payloads. + 4) Clean temporary files. + 5) Stop enable/disable promiscuous mode change. + + @param test: KVM test object. + @param params: Dictionary with the test parameters. + @param env: Dictionary with test environment. + """ + timeout = int(params.get("login_timeout", 360)) + vm = kvm_test_utils.get_living_vm(env, params.get("main_vm")) + session = kvm_test_utils.wait_for_login(vm, timeout=timeout) + + logging.info("Trying to log into guest '%s' by serial", vm.name) + session2 = kvm_utils.wait_for(lambda: vm.serial_login(), + timeout, 0, step=2) + if not session2: + raise error.TestFail("Could not log into guest '%s'" % vm.name) + + def compare(filename): + cmd = "md5sum %s" % filename + md5_host = utils.hash_file(filename, method="md5") + rc_guest, md5_guest = session.get_command_status_output(cmd) + if rc_guest: + logging.debug("Could not get MD5 hash for file %s on guest," + "output: %s", filename, md5_guest) + return False + md5_guest = md5_guest.split()[0] + if md5_host != md5_guest: + logging.error("MD5 hash mismatch between file %s " + "present on guest and on host", filename) + logging.error("MD5 hash for file on guest: %s," + "MD5 hash for file on host: %s", md5_host, md5_guest) + return False + return True + + ethname = kvm_test_utils.get_linux_ifname(session, vm.get_macaddr(0)) + set_promisc_cmd = ("ip link set %s promisc on; sleep 0.01;" + "ip link set %s promisc off; sleep 0.01" % + (ethname, ethname)) + logging.info("Set promisc change repeatedly in guest") + session2.sendline("while true; do %s; done" % set_promisc_cmd) + + dd_cmd = "dd if=/dev/urandom of=%s bs=%d count=1" + filename = "/tmp/nic_promisc_file" + file_size = params.get("file_size", "1, 1460, 65000, 100000000").split(",") + success_counter = 0 + try: + for size in file_size: + logging.info("Create %s bytes file on host" % size) + utils.run(dd_cmd % (filename, int(size))) + + logging.info("Transfer file from host to guest") + if not vm.copy_files_to(filename, filename): + logging.error("File transfer failed") + continue + if not compare(filename): + logging.error("Compare file failed") + continue + else: + success_counter += 1 + + logging.info("Create %s bytes file on guest" % size) + if session.get_command_status(dd_cmd % (filename, int(size)), + timeout=100) != 0: + logging.error("Create file on guest failed") + continue + + logging.info("Transfer file from guest to host") + if not vm.copy_files_from(filename, filename): + logging.error("File transfer failed") + continue + if not compare(filename): + logging.error("Compare file failed") + continue + else: + success_counter += 1 + + logging.info("Clean temporary files") + cmd = "rm -f %s" % filename + utils.run(cmd) + session.get_command_status(cmd) + + finally: + logging.info("Restore the %s to the nonpromisc mode", ethname) + session2.close() + session.get_command_status("ip link set %s promisc off" % ethname) + session.close() + + if success_counter != 2 * len(file_size): + raise error.TestFail("Some tests failed, succss_ratio : %s/%s" % + (success_counter, len(file_size))) diff --git a/client/tests/kvm/tests_base.cfg.sample b/client/tests/kvm/tests_base.cfg.sample index 8443fee..38e9890 100644 --- a/client/tests/kvm/tests_base.cfg.sample +++ b/client/tests/kvm/tests_base.cfg.sample @@ -490,6 +490,10 @@ variants: scp_timeout = 300 thread_num = 10 + - nic_promisc: install setup unattended_install.cdrom + type = nic_promisc + file_size = 1, 1460, 65000, 100000000 + - physical_resources_check: install setup unattended_install.cdrom type = physical_resources_check catch_uuid_cmd = dmidecode | awk -F: '/UUID/ {print $2}' @@ -1207,7 +1211,7 @@ variants: # Windows section - @Windows: - no autotest linux_s3 vlan_tag ioquit unattended_install.(url|nfs|remote_ks) jumbo file_transfer nicdriver_unload + no autotest linux_s3 vlan_tag ioquit unattended_install.(url|nfs|remote_ks) jumbo file_transfer nicdriver_unload nic_promisc shutdown_command = shutdown /s /f /t 0 reboot_command = shutdown /r /f /t 0 status_test_command = echo %errorlevel%