ceph/teuthology/orchestra/remote.py
Josh Durgin 232e3d32bc Fix undefined symbol errors
Signed-off-by: Josh Durgin <josh.durgin@inktank.com>
2013-08-27 15:58:14 -07:00

260 lines
9.2 KiB
Python

from . import run
from teuthology import misc
import time
class Remote(object):
"""
A connection to a remote host.
This is a higher-level wrapper around Paramiko's `SSHClient`.
"""
# for unit tests to hook into
_runner = staticmethod(run.run)
def __init__(self, name, ssh, shortname=None, console=None):
self.name = name
self._shortname = shortname
self.ssh = ssh
self.console = console
@property
def shortname(self):
name = self._shortname
if name is None:
name = self.name
return name
@property
def system_type(self):
return misc.get_system_type(self)
def __str__(self):
return self.shortname
def __repr__(self):
return '{classname}(name={name!r})'.format(
classname=self.__class__.__name__,
name=self.name,
)
def run(self, **kwargs):
"""
This calls `orchestra.run.run` with our SSH client.
TODO refactor to move run.run here?
"""
r = self._runner(client=self.ssh, **kwargs)
r.remote = self
return r
import pexpect
import re
import logging
import libvirt
from teuthology import lockstatus as ls
log = logging.getLogger(__name__)
def getShortName(name):
hn = name.split('@')[-1]
p = re.compile('([^.]+)\.?.*')
return p.match(hn).groups()[0]
class PhysicalConsole():
def __init__(self, name, ipmiuser, ipmipass, ipmidomain, logfile=None, timeout=20):
self.name = name
self.shortname = getShortName(name)
self.timeout = timeout
self.logfile = None
self.ipmiuser = ipmiuser
self.ipmipass = ipmipass
self.ipmidomain = ipmidomain
def _exec(self, cmd):
if not self.ipmiuser or not self.ipmipass or not self.ipmidomain:
log.error('Must set ipmi_user, ipmi_password, and ipmi_domain in .teuthology.yaml')
log.debug('pexpect command: ipmitool -H {s}.{dn} -I lanplus -U {ipmiuser} -P {ipmipass} {cmd}'.format(
cmd=cmd,
s=self.shortname,
dn=self.ipmidomain,
ipmiuser=self.ipmiuser,
ipmipass=self.ipmipass))
child = pexpect.spawn ('ipmitool -H {s}.{dn} -I lanplus -U {ipmiuser} -P {ipmipass} {cmd}'.format(
cmd=cmd,
s=self.shortname,
dn=self.ipmidomain,
ipmiuser=self.ipmiuser,
ipmipass=self.ipmipass))
if self.logfile:
child.logfile = self.logfile
return child
def _exit_session(self, child, timeout=None):
child.send('~.')
t = timeout
if not t:
t = self.timeout
r = child.expect(['terminated ipmitool', pexpect.TIMEOUT, pexpect.EOF], timeout=t)
if r != 0:
self._exec('sol deactivate')
def _wait_for_login(self, timeout=None, attempts=6):
log.debug('Waiting for login prompt on {s}'.format(s=self.shortname))
# wait for login prompt to indicate boot completed
t = timeout
if not t:
t = self.timeout
for i in range(0, attempts):
start = time.time()
while time.time() - start < t:
child = self._exec('sol activate')
child.send('\n')
log.debug('expect: {s} login'.format(s=self.shortname))
r = child.expect(['{s} login: '.format(s=self.shortname), pexpect.TIMEOUT, pexpect.EOF], timeout=(t - (time.time() - start)))
log.debug('expect before: {b}'.format(b=child.before))
log.debug('expect after: {a}'.format(a=child.after))
self._exit_session(child)
if r == 0:
return
def check_power(self, state, timeout=None):
# check power
total_timeout = timeout
if not total_timeout:
total_timeout = self.timeout
t = 1
total = t
ta = time.time()
while total < total_timeout:
c = self._exec('power status')
r = c.expect(['Chassis Power is {s}'.format(s=state), pexpect.EOF, pexpect.TIMEOUT], timeout=t)
tb = time.time()
if r == 0:
return True
elif r == 1:
# keep trying if EOF is reached, first sleep for remaining
# timeout interval
if tb - ta < t:
time.sleep(t - (tb - ta))
# go around again if EOF or TIMEOUT
ta = tb
t *= 2
total += t
return False
# returns True if console is at login prompt
def check_status(self, timeout=None):
try :
# check for login prompt at console
self._wait_for_login(timeout)
return True
except Exception as e:
log.info('Failed to get ipmi console status for {s}: {e}'.format(s=self.shortname, e=e))
return False
def power_cycle(self):
log.info('Power cycling {s}'.format(s=self.shortname))
child = self._exec('power cycle')
child.expect('Chassis Power Control: Cycle', timeout=self.timeout)
self._wait_for_login()
log.info('Power cycle for {s} completed'.format(s=self.shortname))
def hard_reset(self):
log.info('Performing hard reset of {s}'.format(s=self.shortname))
start = time.time()
while time.time() - start < self.timeout:
child = self._exec('power reset')
r = child.expect(['Chassis Power Control: Reset', pexpect.EOF], timeout=self.timeout)
if r == 0:
break
self._wait_for_login()
log.info('Hard reset for {s} completed'.format(s=self.shortname))
def power_on(self):
log.info('Power on {s}'.format(s=self.shortname))
start = time.time()
while time.time() - start < self.timeout:
child = self._exec('power on')
r = child.expect(['Chassis Power Control: Up/On', pexpect.EOF], timeout=self.timeout)
if r == 0:
break
if not self.check_power('on'):
log.error('Failed to power on {s}'.format(s=self.shortname))
log.info('Power on for {s} completed'.format(s=self.shortname))
def power_off(self):
log.info('Power off {s}'.format(s=self.shortname))
start = time.time()
while time.time() - start < self.timeout:
child = self._exec('power off')
r = child.expect(['Chassis Power Control: Down/Off', pexpect.EOF], timeout=self.timeout)
if r == 0:
break
if not self.check_power('off', 60):
log.error('Failed to power off {s}'.format(s=self.shortname))
log.info('Power off for {s} completed'.format(s=self.shortname))
def power_off_for_interval(self, interval=30):
log.info('Power off {s} for {i} seconds'.format(s=self.shortname, i=interval))
child = self._exec('power off')
child.expect('Chassis Power Control: Down/Off', timeout=self.timeout)
time.sleep(interval)
child = self._exec('power on')
child.expect('Chassis Power Control: Up/On', timeout=self.timeout)
self._wait_for_login()
log.info('Power off for {i} seconds completed'.format(s=self.shortname, i=interval))
class VirtualConsole():
def __init__(self, name, ipmiuser, ipmipass, ipmidomain, logfile=None, timeout=20):
self.shortname = getShortName(name)
status_info = ls.get_status('', self.shortname)
try:
phys_host = status_info['vpshost']
except TypeError:
return
self.connection = libvirt.open(phys_host)
for i in self.connection.listDomainsID():
d = self.connection.lookupByID(i)
if d.name() == self.shortname:
self.vm_domain = d
break
return
def check_power(self, state, timeout=None):
return self.vm_domain.info[0] in [libvirt.VIR_DOMAIN_RUNNING, libvirt.VIR_DOMAIN_BLOCKED,
libvirt.VIR_DOMAIN_PAUSED]
def check_status(self, timeout=None):
return self.vm_domain.info()[0] == libvirt.VIR_DOMAIN_RUNNING
def power_cycle(self):
self.vm_domain.info().destroy()
self.vm_domain.info().create()
def hard_reset(self):
self.vm_domain.info().destroy()
def power_on(self):
self.vm_domain.info().create()
def power_off(self):
self.vm_domain.info().destroy()
def power_off_for_interval(self, interval=30):
log.info('Power off {s} for {i} seconds'.format(s=self.shortname, i=interval))
self.vm_domain.info().destroy()
time.sleep(interval)
self.vm_domain.info().create()
log.info('Power off for {i} seconds completed'.format(s=self.shortname, i=interval))
def getRemoteConsole(name, ipmiuser, ipmipass, ipmidomain, logfile=None, timeout=20):
if misc.is_vm(name):
return VirtualConsole(name, ipmiuser, ipmipass, ipmidomain, logfile, timeout)
return PhysicalConsole(name, ipmiuser, ipmipass, ipmidomain, logfile, timeout)