def mess_up_mysql(self):
"""Ruin MySQL's ability to restart."""
self.fix_mysql() # kill files
cmd = """ssh %s 'sudo cp /dev/null /var/lib/mysql/ib_logfile%d'"""
for index in range(2):
full_cmd = cmd % (self.instance_local_id, index)
print("RUNNING COMMAND: %s" % full_cmd)
util.process(full_cmd)
def check_status_of_instance():
status, err = process("sudo vzctl status %s | awk '{print $5}'"
% str(instance_info.local_id))
if string_in_list(status, ["running"]):
self.assertEqual("running", status.strip())
return True
else:
return False
def find_mysql_procid_on_instance(local_id):
"""Returns the process id of MySql on an instance if running, or None."""
cmd = "sudo vzctl exec2 %d ps aux | grep /usr/sbin/mysqld " "| awk '{print $2}'" % local_id
stdout, stderr = process(cmd)
try:
return int(stdout)
except ValueError:
return None
def get_vz_ip_for_device(instance_id, device):
"""Get the IP of the device within openvz for the specified instance"""
ip, err = process("""sudo vzctl exec %(instance_id)s ifconfig %(device)s"""
""" | awk '/inet addr/{gsub(/addr:/,"");print $2}'""" %
locals())
if err:
assert_false(True, err)
else:
return ip.strip()
def find_mysql_procid_on_instance(local_id):
"""Returns the process id of MySql on an instance if running, or None."""
cmd = "sudo vzctl exec2 %d ps aux | grep /usr/sbin/mysqld " \
"| awk '{print $2}'" % local_id
stdout, stderr = process(cmd)
try:
return int(stdout)
except ValueError:
return None
def get_vz_ip_for_device(instance_id, device):
"""Get the IP of the device within openvz for the specified instance"""
ip, err = process(
"""sudo vzctl exec %(instance_id)s ifconfig %(device)s"""
""" | awk '/inet addr/{gsub(/addr:/,"");print $2}'""" % locals()
)
if err:
assert_false(True, err)
else:
return ip.strip()
def check_database(instance_id, dbname):
"""Checks if the name appears in an instance's list of databases."""
default_db = re.compile("[\w\n]*%s[\w\n]*" % dbname)
dblist, err = process("sudo vzctl exec %s \"mysql -e 'show databases';\"" % instance_id)
if err:
raise RuntimeError(err)
if default_db.match(dblist):
return True
else:
return False
def check_database(instance_id, dbname):
"""Checks if the name appears in an instance's list of databases."""
default_db = re.compile("[\w\n]*%s[\w\n]*" % dbname)
dblist, err = process("sudo vzctl exec %s \"mysql -e 'show databases';\"" %
instance_id)
if err:
raise RuntimeError(err)
if default_db.match(dblist):
return True
else:
return False
def check_process_alive_via_local_ovz(self):
init_re = ("[\w\W\|\-\s\d,]*nova-guest "
"--flagfile=/etc/nova/nova.conf nova[\W\w\s]*")
init_proc = re.compile(init_re)
guest_re = ("[\w\W\|\-\s]*/usr/bin/nova-guest "
"--flagfile=/etc/nova/nova.conf[\W\w\s]*")
guest_proc = re.compile(guest_re)
apt = re.compile("[\w\W\|\-\s]*apt-get[\w\W\|\-\s]*")
while True:
guest_process, err = process("pstree -ap %s | grep nova-guest"
% instance_info.pid)
if not string_in_list(guest_process, ["nova-guest"]):
time.sleep(10)
else:
if apt.match(guest_process):
time.sleep(10)
else:
init = init_proc.match(guest_process)
guest = guest_proc.match(guest_process)
if init and guest:
assert_true(True, init.group())
else:
assert_false(False, guest_process)
break
def get_the_pid():
out, err = process("pgrep init | vzpid - | awk '/%s/{print $1}'"
% str(instance_info.local_id))
instance_info.pid = out.strip()
return len(instance_info.pid) > 0
def execute(self, cmd):
exe_cmd = "sudo vzctl exec %s '%s'" % (self.instance_local_id, cmd)
print("RUNNING COMMAND: %s" % exe_cmd)
return util.process(exe_cmd)
def execute(self, cmd):
exe_cmd = "%s %s '%s'" % (tests.SSH_CMD, self.ip_address, cmd)
print("RUNNING COMMAND: %s" % exe_cmd)
return util.process(exe_cmd)
def fix_mysql(self):
"""Fix MySQL's ability to restart."""
if not FAKE_MODE:
cmd = "ssh %s 'sudo rm /var/lib/mysql/ib_logfile%d'"
for index in range(2):
util.process(cmd % (self.instance_local_id, index))