+Cleber/Wainer On 5/11/20 2:27 PM, Lukas Straub wrote: > Add high-level test relying on the colo resource-agent to test > all failover cases while checking guest network connectivity. > > Signed-off-by: Lukas Straub <lukasstra...@web.de> > --- > scripts/colo-resource-agent/crm_master | 44 ++ > scripts/colo-resource-agent/crm_resource | 12 + > tests/acceptance/colo.py | 689 +++++++++++++++++++++++ > 3 files changed, 745 insertions(+) > create mode 100755 scripts/colo-resource-agent/crm_master > create mode 100755 scripts/colo-resource-agent/crm_resource > create mode 100644 tests/acceptance/colo.py > > diff --git a/scripts/colo-resource-agent/crm_master > b/scripts/colo-resource-agent/crm_master > new file mode 100755 > index 0000000000..886f523bda > --- /dev/null > +++ b/scripts/colo-resource-agent/crm_master > @@ -0,0 +1,44 @@ > +#!/bin/bash > + > +# Fake crm_master for COLO testing > +# > +# Copyright (c) Lukas Straub <lukasstra...@web.de> > +# > +# This work is licensed under the terms of the GNU GPL, version 2 or > +# later. See the COPYING file in the top-level directory. > + > +TMPDIR="$HA_RSCTMP" > +score=0 > +query=0 > + > +OPTIND=1 > +while getopts 'Qql:Dv:N:G' opt; do > + case "$opt" in > + Q|q) > + # Noop > + ;; > + "l") > + # Noop > + ;; > + "D") > + score=0 > + ;; > + "v") > + score=$OPTARG > + ;; > + "N") > + TMPDIR="$COLO_TEST_REMOTE_TMP" > + ;; > + "G") > + query=1 > + ;; > + esac > +done > + > +if (( query )); then > + cat "${TMPDIR}/master_score" || exit 1 > +else > + echo $score > "${TMPDIR}/master_score" || exit 1 > +fi > + > +exit 0 > diff --git a/scripts/colo-resource-agent/crm_resource > b/scripts/colo-resource-agent/crm_resource > new file mode 100755 > index 0000000000..ad69ff3c6b > --- /dev/null > +++ b/scripts/colo-resource-agent/crm_resource > @@ -0,0 +1,12 @@ > +#!/bin/sh > + > +# Fake crm_resource for COLO testing > +# > +# Copyright (c) Lukas Straub <lukasstra...@web.de> > +# > +# This work is licensed under the terms of the GNU GPL, version 2 or > +# later. See the COPYING file in the top-level directory. > + > +# Noop > + > +exit 0 > diff --git a/tests/acceptance/colo.py b/tests/acceptance/colo.py > new file mode 100644 > index 0000000000..465513fb6c > --- /dev/null > +++ b/tests/acceptance/colo.py > @@ -0,0 +1,689 @@ > +# High-level test suite for qemu COLO testing all failover cases while > checking > +# guest network connectivity > +# > +# Copyright (c) Lukas Straub <lukasstra...@web.de> > +# > +# This work is licensed under the terms of the GNU GPL, version 2 or > +# later. See the COPYING file in the top-level directory. > + > +# HOWTO: > +# > +# This test has the following parameters: > +# bridge_name: name of the bridge interface to connect qemu to > +# host_address: ip address of the bridge interface > +# guest_address: ip address that the guest gets from the dhcp server > +# bridge_helper: path to the brige helper > +# (default: /usr/lib/qemu/qemu-bridge-helper) > +# install_cmd: command to run to install iperf3 and memtester in the guest > +# (default: "sudo -n dnf -q -y install iperf3 memtester") > +# > +# To run the network tests, you have to specify the parameters. > +# > +# Example for running the colo tests: > +# make check-acceptance FEDORA_31_ARCHES="x86_64" AVOCADO_TAGS="-t colo \ > +# -p bridge_name=br0 -p host_address=192.168.220.1 \ > +# -p guest_address=192.168.220.222" > +# > +# The colo tests currently only use x86_64 test vm images. With the > +# FEDORA_31_ARCHES make variable as in the example, only the x86_64 images > will > +# be downloaded. > +# > +# If you're running the network tests as an unprivileged user, you need to > set > +# the suid bit on the bridge helper (chmod +s <bridge-helper>). > +# > +# The dhcp server should assign a static ip to the guest, else the test may > be > +# unreliable. The Mac address for the guest is always 52:54:00:12:34:56. > + > + > +import select > +import sys > +import subprocess > +import shutil > +import os > +import signal > +import os.path > +import time > +import tempfile > + > +from avocado import Test > +from avocado import skipUnless > +from avocado.utils import network > +from avocado.utils import vmimage > +from avocado.utils import cloudinit > +from avocado.utils import ssh > +from avocado.utils.path import find_command > + > +from avocado_qemu import pick_default_qemu_bin, BUILD_DIR, SOURCE_DIR > +from qemu.qmp import QEMUMonitorProtocol > + > +def iperf3_available(): > + try: > + find_command("iperf3") > + except CmdNotFoundError: > + return False > + return True > + > +class ColoTest(Test): > + > + # Constants > + OCF_SUCCESS = 0 > + OCF_ERR_GENERIC = 1 > + OCF_ERR_ARGS = 2 > + OCF_ERR_UNIMPLEMENTED = 3 > + OCF_ERR_PERM = 4 > + OCF_ERR_INSTALLED = 5 > + OCF_ERR_CONFIGURED = 6 > + OCF_NOT_RUNNING = 7 > + OCF_RUNNING_MASTER = 8 > + OCF_FAILED_MASTER = 9 > + > + HOSTA = 10 > + HOSTB = 11 > + > + QEMU_OPTIONS = (" -display none -vga none -enable-kvm" > + " -smp 2 -cpu host -m 768" > + " -device e1000,mac=52:54:00:12:34:56,netdev=hn0" > + " -device virtio-blk,drive=colo-disk0") > + > + FEDORA_VERSION = "31" > + IMAGE_CHECKSUM = > "e3c1b309d9203604922d6e255c2c5d098a309c2d46215d8fc026954f3c5c27a0" > + IMAGE_SIZE = "4294967296b" > + > + hang_qemu = False > + checkpoint_failover = False > + traffic_procs = [] > + > + def get_image(self, temp_dir): > + try: > + return vmimage.get( > + "fedora", arch="x86_64", version=self.FEDORA_VERSION, > + checksum=self.IMAGE_CHECKSUM, algorithm="sha256", > + cache_dir=self.cache_dirs[0], > + snapshot_dir=temp_dir) > + except: > + self.cancel("Failed to download/prepare image") > + > + @skipUnless(ssh.SSH_CLIENT_BINARY, "No SSH client available") > + def setUp(self): > + # Qemu and qemu-img binary > + default_qemu_bin = pick_default_qemu_bin() > + self.QEMU_BINARY = self.params.get("qemu_bin", > default=default_qemu_bin) > + > + # If qemu-img has been built, use it, otherwise the system wide one > + # will be used. If none is available, the test will cancel. > + qemu_img = os.path.join(BUILD_DIR, "qemu-img") > + if not os.path.exists(qemu_img): > + qemu_img = find_command("qemu-img", False) > + if qemu_img is False: > + self.cancel("Could not find \"qemu-img\", which is required to " > + "create the bootable image") > + self.QEMU_IMG_BINARY = qemu_img
Probably worth refactoring that as re-usable pick_qemuimg_bin() or better named? Similarly with BRIDGE_HELPER... We need a generic class to get binaries from environment or build dir. > + vmimage.QEMU_IMG = qemu_img > + > + self.RESOURCE_AGENT = os.path.join(SOURCE_DIR, > + > "scripts/colo-resource-agent/colo") > + self.ADD_PATH = os.path.join(SOURCE_DIR, > "scripts/colo-resource-agent") > + > + # Logs > + self.RA_LOG = os.path.join(self.outputdir, "resource-agent.log") > + self.HOSTA_LOGDIR = os.path.join(self.outputdir, "hosta") > + self.HOSTB_LOGDIR = os.path.join(self.outputdir, "hostb") > + os.makedirs(self.HOSTA_LOGDIR) > + os.makedirs(self.HOSTB_LOGDIR) > + > + # Temporary directories > + # We don't use self.workdir because of unix socket path length > + # limitations > + self.TMPDIR = tempfile.mkdtemp() > + self.TMPA = os.path.join(self.TMPDIR, "hosta") > + self.TMPB = os.path.join(self.TMPDIR, "hostb") > + os.makedirs(self.TMPA) > + os.makedirs(self.TMPB) > + > + # Network > + self.BRIDGE_NAME = self.params.get("bridge_name") > + if self.BRIDGE_NAME: > + self.HOST_ADDRESS = self.params.get("host_address") > + self.GUEST_ADDRESS = self.params.get("guest_address") > + self.BRIDGE_HELPER = self.params.get("bridge_helper", > + > default="/usr/lib/qemu/qemu-bridge-helper") > + self.SSH_PORT = 22 > + else: > + # QEMU's hard coded usermode router address > + self.HOST_ADDRESS = "10.0.2.2" > + self.GUEST_ADDRESS = "127.0.0.1" > + self.BRIDGE_HOSTA_PORT = > network.find_free_port(address="127.0.0.1") > + self.BRIDGE_HOSTB_PORT = > network.find_free_port(address="127.0.0.1") > + self.SSH_PORT = network.find_free_port(address="127.0.0.1") > + > + self.CLOUDINIT_HOME_PORT = network.find_free_port() > + > + # Find free port range > + base_port = 1024 > + while True: > + base_port = network.find_free_port(start_port=base_port, > + address="127.0.0.1") > + if base_port == None: > + self.cancel("Failed to find a free port") > + for n in range(base_port, base_port +4): > + if n > 65535: > + break > + if not network.is_port_free(n, "127.0.0.1"): > + break > + else: > + # for loop above didn't break > + break > + > + self.BASE_PORT = base_port > + > + # Disk images > + self.log.info("Downloading/preparing boot image") > + self.HOSTA_IMAGE = self.get_image(self.TMPA).path > + self.HOSTB_IMAGE = self.get_image(self.TMPB).path > + self.CLOUDINIT_ISO = os.path.join(self.TMPDIR, "cloudinit.iso") > + > + self.log.info("Preparing cloudinit image") > + try: > + cloudinit.iso(self.CLOUDINIT_ISO, self.name, > + username="test", password="password", > + phone_home_host=self.HOST_ADDRESS, > + phone_home_port=self.CLOUDINIT_HOME_PORT) > + except Exception as e: > + self.cancel("Failed to prepare cloudinit image") > + > + self.QEMU_OPTIONS += " -cdrom %s" % self.CLOUDINIT_ISO > + > + # Network bridge > + if not self.BRIDGE_NAME: > + self.BRIDGE_PIDFILE = os.path.join(self.TMPDIR, "bridge.pid") > + self.run_command(("'%s' -pidfile '%s'" > + " -M none -display none -daemonize" > + " -netdev user,id=host,hostfwd=tcp:127.0.0.1:%s-:22" > + " -netdev socket,id=hosta,listen=127.0.0.1:%s" > + " -netdev socket,id=hostb,listen=127.0.0.1:%s" > + " -netdev hubport,id=hostport,hubid=0,netdev=host" > + " -netdev hubport,id=porta,hubid=0,netdev=hosta" > + " -netdev hubport,id=portb,hubid=0,netdev=hostb") > + % (self.QEMU_BINARY, self.BRIDGE_PIDFILE, self.SSH_PORT, > + self.BRIDGE_HOSTA_PORT, self.BRIDGE_HOSTB_PORT), 0) > + > + def tearDown(self): > + try: > + pid = self.read_pidfile(self.BRIDGE_PIDFILE) > + if pid and self.check_pid(pid): > + os.kill(pid, signal.SIGKILL) > + except Exception as e: > + pass > + > + try: > + self.ra_stop(self.HOSTA) > + except Exception as e: > + pass > + > + try: > + self.ra_stop(self.HOSTB) > + except Exception as e: > + pass > + > + try: > + self.ssh_close() > + except Exception as e: > + pass > + > + for proc in self.traffic_procs: > + try: > + os.killpg(proc.pid, signal.SIGTERM) > + except Exception as e: > + pass > + > + shutil.rmtree(self.TMPDIR) > + > + def run_command(self, cmdline, expected_status, env=None): > + proc = subprocess.Popen(cmdline, shell=True, stdout=subprocess.PIPE, > + stderr=subprocess.STDOUT, > + universal_newlines=True, env=env) > + stdout, stderr = proc.communicate() > + if proc.returncode != expected_status: > + self.fail("command \"%s\" failed with code %s:\n%s" > + % (cmdline, proc.returncode, stdout)) > + > + return proc.returncode > + > + def cat_line(self, path): > + line="" > + try: > + fd = open(path, "r") > + line = str.strip(fd.readline()) > + fd.close() > + except: > + pass > + return line > + > + def read_pidfile(self, pidfile): > + try: > + pid = int(self.cat_line(pidfile)) > + except ValueError: > + return None > + else: > + return pid > + > + def check_pid(self, pid): > + try: > + os.kill(pid, 0) > + except OSError: > + return False > + else: > + return True > + > + def ssh_open(self): > + self.ssh_conn = ssh.Session(self.GUEST_ADDRESS, self.SSH_PORT, > + user="test", password="password") > + self.ssh_conn.DEFAULT_OPTIONS += (("UserKnownHostsFile", > "/dev/null"),) > + for i in range(10): > + try: > + if self.ssh_conn.connect(): > + return > + except Exception as e: > + pass > + time.sleep(4) > + self.fail("sshd timeout") > + > + def ssh_ping(self): > + if self.ssh_conn.cmd("echo ping").stdout != b"ping\n": > + self.fail("ssh ping failed") > + > + def ssh_close(self): > + self.ssh_conn.quit() > + > + def setup_base_env(self, host): > + PATH = os.getenv("PATH", "") > + env = { "PATH": "%s:%s" % (self.ADD_PATH, PATH), > + "HA_LOGFILE": self.RA_LOG, > + "OCF_RESOURCE_INSTANCE": "colo-test", > + "OCF_RESKEY_CRM_meta_clone_max": "2", > + "OCF_RESKEY_CRM_meta_notify": "true", > + "OCF_RESKEY_CRM_meta_timeout": "30000", > + "OCF_RESKEY_qemu_binary": self.QEMU_BINARY, > + "OCF_RESKEY_qemu_img_binary": self.QEMU_IMG_BINARY, > + "OCF_RESKEY_disk_size": str(self.IMAGE_SIZE), We can remove IMAGE_SIZE and use a runtime filesize(HOSTA_IMAGE) instead. > + "OCF_RESKEY_checkpoint_interval": "10000", > + "OCF_RESKEY_base_port": str(self.BASE_PORT), > + "OCF_RESKEY_debug": "2"} > + > + if host == self.HOSTA: > + env.update({"OCF_RESKEY_options": > + ("%s -qmp unix:%s,server,nowait" > + " -drive if=none,id=parent0,file='%s'") > + % (self.QEMU_OPTIONS, self.get_qmp_sock(host), > + self.HOSTA_IMAGE), > + "OCF_RESKEY_active_hidden_dir": self.TMPA, > + "OCF_RESKEY_listen_address": "127.0.0.1", > + "OCF_RESKEY_log_dir": self.HOSTA_LOGDIR, > + "OCF_RESKEY_CRM_meta_on_node": "127.0.0.1", > + "HA_RSCTMP": self.TMPA, > + "COLO_TEST_REMOTE_TMP": self.TMPB}) > + > + else: > + env.update({"OCF_RESKEY_options": > + ("%s -qmp unix:%s,server,nowait" > + " -drive if=none,id=parent0,file='%s'") > + % (self.QEMU_OPTIONS, self.get_qmp_sock(host), > + self.HOSTB_IMAGE), > + "OCF_RESKEY_active_hidden_dir": self.TMPB, > + "OCF_RESKEY_listen_address": "127.0.0.2", > + "OCF_RESKEY_log_dir": self.HOSTB_LOGDIR, > + "OCF_RESKEY_CRM_meta_on_node": "127.0.0.2", > + "HA_RSCTMP": self.TMPB, > + "COLO_TEST_REMOTE_TMP": self.TMPA}) > + > + if self.BRIDGE_NAME: > + env["OCF_RESKEY_options"] += \ > + " -netdev bridge,id=hn0,br=%s,helper='%s'" \ > + % (self.BRIDGE_NAME, self.BRIDGE_HELPER) > + else: > + if host == self.HOSTA: > + env["OCF_RESKEY_options"] += \ > + " -netdev socket,id=hn0,connect=127.0.0.1:%s" \ > + % self.BRIDGE_HOSTA_PORT > + else: > + env["OCF_RESKEY_options"] += \ > + " -netdev socket,id=hn0,connect=127.0.0.1:%s" \ > + % self.BRIDGE_HOSTB_PORT > + return env > + > + def ra_start(self, host): > + env = self.setup_base_env(host) > + self.run_command(self.RESOURCE_AGENT + " start", self.OCF_SUCCESS, > env) > + > + def ra_stop(self, host): > + env = self.setup_base_env(host) > + self.run_command(self.RESOURCE_AGENT + " stop", self.OCF_SUCCESS, > env) > + > + def ra_monitor(self, host, expected_status): > + env = self.setup_base_env(host) > + self.run_command(self.RESOURCE_AGENT + " monitor", expected_status, > env) > + > + def ra_promote(self, host): > + env = self.setup_base_env(host) > + self.run_command(self.RESOURCE_AGENT + " promote", > self.OCF_SUCCESS,env) > + > + def ra_notify_start(self, host): > + env = self.setup_base_env(host) > + > + env.update({"OCF_RESKEY_CRM_meta_notify_type": "post", > + "OCF_RESKEY_CRM_meta_notify_operation": "start"}) > + > + if host == self.HOSTA: > + env.update({"OCF_RESKEY_CRM_meta_notify_master_uname": > "127.0.0.1", > + "OCF_RESKEY_CRM_meta_notify_start_uname": > "127.0.0.2"}) > + else: > + env.update({"OCF_RESKEY_CRM_meta_notify_master_uname": > "127.0.0.2", > + "OCF_RESKEY_CRM_meta_notify_start_uname": > "127.0.0.1"}) > + > + self.run_command(self.RESOURCE_AGENT + " notify", self.OCF_SUCCESS, > env) > + > + def ra_notify_stop(self, host): > + env = self.setup_base_env(host) > + > + env.update({"OCF_RESKEY_CRM_meta_notify_type": "pre", > + "OCF_RESKEY_CRM_meta_notify_operation": "stop"}) > + > + if host == self.HOSTA: > + env.update({"OCF_RESKEY_CRM_meta_notify_master_uname": > "127.0.0.1", > + "OCF_RESKEY_CRM_meta_notify_stop_uname": > "127.0.0.2"}) > + else: > + env.update({"OCF_RESKEY_CRM_meta_notify_master_uname": > "127.0.0.2", > + "OCF_RESKEY_CRM_meta_notify_stop_uname": > "127.0.0.1"}) > + > + self.run_command(self.RESOURCE_AGENT + " notify", self.OCF_SUCCESS, > env) > + > + def get_pid(self, host): > + if host == self.HOSTA: > + return self.read_pidfile(os.path.join(self.TMPA, > + "colo-test-qemu.pid")) > + else: > + return self.read_pidfile(os.path.join(self.TMPB, > + "colo-test-qemu.pid")) > + > + def get_master_score(self, host): > + if host == self.HOSTA: > + return int(self.cat_line(os.path.join(self.TMPA, > "master_score"))) > + else: > + return int(self.cat_line(os.path.join(self.TMPB, > "master_score"))) > + > + def get_qmp_sock(self, host): > + if host == self.HOSTA: > + return os.path.join(self.TMPA, "my-qmp.sock") > + else: > + return os.path.join(self.TMPB, "my-qmp.sock") > + > + > + def kill_qemu_pre(self, host): > + pid = self.get_pid(host) > + > + qmp_sock = self.get_qmp_sock(host) > + > + if self.checkpoint_failover: > + qmp_conn = QEMUMonitorProtocol(qmp_sock) > + qmp_conn.settimeout(10) > + qmp_conn.connect() > + while True: > + event = qmp_conn.pull_event(wait=True) > + if event["event"] == "STOP": > + break > + qmp_conn.close() > + > + > + if pid and self.check_pid(pid): > + if self.hang_qemu: > + os.kill(pid, signal.SIGSTOP) > + else: > + os.kill(pid, signal.SIGKILL) > + while self.check_pid(pid): > + time.sleep(1) > + > + def kill_qemu_post(self, host): > + pid = self.get_pid(host) > + > + if self.hang_qemu and pid and self.check_pid(pid): > + os.kill(pid, signal.SIGKILL) > + while self.check_pid(pid): > + time.sleep(1) > + > + def prepare_guest(self): > + pass > + > + def cycle_start(self, cycle): > + pass > + > + def active_section(self): > + return False > + > + def cycle_end(self, cycle): > + pass > + > + def check_connection(self): > + self.ssh_ping() > + for proc in self.traffic_procs: > + if proc.poll() != None: > + self.fail("Traffic process died") > + > + def _test_colo(self, loop=1): > + loop = max(loop, 1) > + self.log.info("Will put logs in %s" % self.outputdir) > + > + self.ra_stop(self.HOSTA) > + self.ra_stop(self.HOSTB) > + > + self.log.info("*** Startup ***") > + self.ra_start(self.HOSTA) > + self.ra_start(self.HOSTB) > + > + self.ra_monitor(self.HOSTA, self.OCF_SUCCESS) > + self.ra_monitor(self.HOSTB, self.OCF_SUCCESS) > + > + self.log.info("*** Promoting ***") > + self.ra_promote(self.HOSTA) > + cloudinit.wait_for_phone_home(("0.0.0.0", self.CLOUDINIT_HOME_PORT), > + self.name) > + self.ssh_open() > + self.prepare_guest() > + > + self.ra_notify_start(self.HOSTA) > + > + while self.get_master_score(self.HOSTB) != 100: > + self.ra_monitor(self.HOSTA, self.OCF_RUNNING_MASTER) > + self.ra_monitor(self.HOSTB, self.OCF_SUCCESS) > + time.sleep(1) > + > + self.log.info("*** Replication started ***") > + > + self.check_connection() > + > + primary = self.HOSTA > + secondary = self.HOSTB > + > + for n in range(loop): > + self.cycle_start(n) > + self.log.info("*** Secondary failover ***") > + self.kill_qemu_pre(primary) > + self.ra_notify_stop(secondary) > + self.ra_monitor(secondary, self.OCF_SUCCESS) > + self.ra_promote(secondary) > + self.ra_monitor(secondary, self.OCF_RUNNING_MASTER) > + self.kill_qemu_post(primary) > + > + self.check_connection() > + > + tmp = primary > + primary = secondary > + secondary = tmp > + > + self.log.info("*** Secondary continue replication ***") > + self.ra_start(secondary) > + self.ra_notify_start(primary) > + > + self.check_connection() > + > + # Wait for resync > + while self.get_master_score(secondary) != 100: > + self.ra_monitor(primary, self.OCF_RUNNING_MASTER) > + self.ra_monitor(secondary, self.OCF_SUCCESS) > + time.sleep(1) > + > + self.log.info("*** Replication started ***") > + > + self.check_connection() > + > + if self.active_section(): > + break > + > + self.log.info("*** Primary failover ***") > + self.kill_qemu_pre(secondary) > + self.ra_monitor(primary, self.OCF_RUNNING_MASTER) > + self.ra_notify_stop(primary) > + self.ra_monitor(primary, self.OCF_RUNNING_MASTER) > + self.kill_qemu_post(secondary) > + > + self.check_connection() > + > + self.log.info("*** Primary continue replication ***") > + self.ra_start(secondary) > + self.ra_notify_start(primary) > + > + self.check_connection() > + > + # Wait for resync > + while self.get_master_score(secondary) != 100: > + self.ra_monitor(primary, self.OCF_RUNNING_MASTER) > + self.ra_monitor(secondary, self.OCF_SUCCESS) > + time.sleep(1) > + > + self.log.info("*** Replication started ***") > + > + self.check_connection() > + > + self.cycle_end(n) Interesting test :) > + > + self.ssh_close() > + > + self.ra_stop(self.HOSTA) > + self.ra_stop(self.HOSTB) > + > + self.ra_monitor(self.HOSTA, self.OCF_NOT_RUNNING) > + self.ra_monitor(self.HOSTB, self.OCF_NOT_RUNNING) > + self.log.info("*** all ok ***") > + > + > +class ColoQuickTest(ColoTest): > + """ > + :avocado: tags=colo > + :avocado: tags=quick > + :avocado: tags=arch:x86_64 > + """ > + > + timeout = 300 > + > + def cycle_end(self, cycle): > + self.log.info("Testing with peer qemu hanging" > + " and failover during checkpoint") > + self.hang_qemu = True > + > + def test_quick(self): > + self.checkpoint_failover = True > + self.log.info("Testing with peer qemu crashing" > + " and failover during checkpoint") > + self._test_colo(loop=2) > + > + > +class ColoNetworkTest(ColoTest): > + > + def prepare_guest(self): > + install_cmd = self.params.get("install_cmd", default= > + "sudo -n dnf -q -y install iperf3 memtester") > + self.ssh_conn.cmd(install_cmd) > + # Use two instances to work around a bug in iperf3 > + self.ssh_conn.cmd("iperf3 -sD; iperf3 -sD -p 5202") > + > + def _cycle_start(self, cycle): > + pass > + > + def cycle_start(self, cycle): > + self._cycle_start(cycle) > + tests = [("", "client-to-server tcp"), ("-R", "server-to-client > tcp")] > + > + self.log.info("Testing iperf %s" % tests[cycle % 2][1]) > + iperf_cmd = "iperf3 %s -t 60 -i 60 --connect-timeout 30000 -c %s" \ > + % (tests[cycle % 2][0], self.GUEST_ADDRESS) > + proc = subprocess.Popen("while %s && %s; do sleep 1; done >>'%s' > 2>&1" > + % (iperf_cmd, iperf_cmd + " -p 5202", > + os.path.join(self.outputdir, "iperf.log")), > + shell=True, preexec_fn=os.setsid, > stdin=subprocess.DEVNULL, > + stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL) So this run on the host, require the host to be Linux + iperf3 installed. Don't we need to be privileged to run it? > + self.traffic_procs.append(proc) > + time.sleep(5) # Wait for iperf to get up to speed > + > + def cycle_end(self, cycle): > + for proc in self.traffic_procs: > + try: > + os.killpg(proc.pid, signal.SIGTERM) > + proc.wait() > + except Exception as e: > + pass > + self.traffic_procs.clear() > + time.sleep(20) > + > +class ColoRealNetworkTest(ColoNetworkTest): > + """ > + :avocado: tags=colo > + :avocado: tags=slow > + :avocado: tags=network_test > + :avocado: tags=arch:x86_64 > + """ > + > + timeout = 900 > + > + def active_section(self): > + time.sleep(300) > + return False > + > + @skipUnless(iperf3_available(), "iperf3 not available") > + def test_network(self): > + if not self.BRIDGE_NAME: > + self.cancel("bridge options not given, will skip network test") > + self.log.info("Testing with peer qemu crashing and network load") > + self._test_colo(loop=2) > + > +class ColoStressTest(ColoNetworkTest): > + """ > + :avocado: tags=colo > + :avocado: tags=slow > + :avocado: tags=stress_test > + :avocado: tags=arch:x86_64 > + """ > + > + timeout = 1800 How long does this test take on your hw (what CPU, to compare)? > + > + def _cycle_start(self, cycle): > + if cycle == 4: > + self.log.info("Stresstest with peer qemu hanging, network load" > + " and failover during checkpoint") > + self.checkpoint_failover = True > + self.hang_qemu = True > + elif cycle == 8: > + self.log.info("Stresstest with peer qemu crashing and network > load") > + self.checkpoint_failover = False > + self.hang_qemu = False > + elif cycle == 12: > + self.log.info("Stresstest with peer qemu hanging and network > load") > + self.checkpoint_failover = False > + self.hang_qemu = True > + > + @skipUnless(iperf3_available(), "iperf3 not available") > + def test_stress(self): > + if not self.BRIDGE_NAME: > + self.cancel("bridge options not given, will skip network test") > + self.log.info("Stresstest with peer qemu crashing, network load" > + " and failover during checkpoint") > + self.checkpoint_failover = True > + self._test_colo(loop=16) >