mirror of
https://github.com/xcat2/confluent.git
synced 2024-11-26 03:19:48 +00:00
242 lines
8.9 KiB
Python
242 lines
8.9 KiB
Python
import collections
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import confluent.exceptions as exc
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import confluent.interface.console as conapi
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import confluent.messages as msg
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import eventlet
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import eventlet.event
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import eventlet.greenpool as greenpool
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import eventlet.queue
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import os
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import pyghmi.exceptions as pygexc
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import pyghmi.ipmi.console as console
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import pyghmi.ipmi.command as ipmicommand
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console.session.select = eventlet.green.select
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console.session.threading = eventlet.green.threading
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tmptimeout = None
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_ipmithread = None
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def _ipmi_evtloop():
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global tmptimeout
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while (1):
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try:
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if tmptimeout is not None:
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console.session.Session.wait_for_rsp(timeout=tmptimeout)
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tmptimeout = None
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else:
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console.session.Session.wait_for_rsp(timeout=600)
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except:
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import traceback
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traceback.print_exc()
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def get_conn_params(node, configdata):
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if 'secret.ipmiuser' in configdata:
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username = configdata['secret.ipmiuser']['value']
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elif 'secret.managementuser' in configdata:
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username = configdata['secret.managementuser']['value']
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else:
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username = 'USERID'
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if 'secret.ipmipassphrase' in configdata:
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passphrase = configdata['secret.ipmipassphrase']['value']
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elif 'secret.managementpassphrase' in configdata:
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passphrase = configdata['secret.managementpassphrase']['value']
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else:
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passphrase = 'PASSW0RD' # for lack of a better guess
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if 'hardwaremanagement.manager' in configdata:
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bmc = configdata['hardwaremanagement.manager']['value']
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else:
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bmc = node
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if 'secret.ipmikg' in configdata:
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kg = configdata['secret.ipmikg']['value']
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else:
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kg = passphrase
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#TODO(jbjohnso): check if the end has some number after a : without []
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#for non default port
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return {
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'username': username,
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'passphrase': passphrase,
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'kg': kg,
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'bmc': bmc,
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'port': 623,
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}
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class IpmiConsole(conapi.Console):
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def __init__(self, node, config):
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crypt = config.decrypt
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config.decrypt = True
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self.broken = False
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configdata = config.get_node_attributes([node],
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['secret.ipmiuser', 'secret.ipmipassphrase',
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'secret.managementuser', 'secret.managementpassphrase',
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'hardwaremanagement.manager'])
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connparams = get_conn_params(node, configdata[node])
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self.username = connparams['username']
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self.password = connparams['passphrase']
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self.kg = connparams['kg']
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self.bmc = connparams['bmc']
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self.port = connparams['port']
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# Cannot actually create console until 'connect', when we get callback
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def handle_data(self, data):
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if type(data) == dict:
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disconnect = frozenset(('Session Disconnected', 'timeout'))
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if 'error' in data and data['error'] in disconnect:
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self.broken = True
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self.datacallback(conapi.ConsoleEvent.Disconnect)
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else:
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raise Exception("Unrecognized pyghmi input %s" % repr(data))
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else:
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self.datacallback(data)
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def connect(self,callback):
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global _ipmithread
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self.datacallback = callback
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self.solconnection=console.Console(bmc=self.bmc, port=self.port,
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userid=self.username,
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password=self.password, kg=self.kg,
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force=True,
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iohandler=self.handle_data)
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if _ipmithread is None:
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_ipmithread = eventlet.spawn(_ipmi_evtloop)
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def write(self, data):
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self.solconnection.send_data(data)
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def wait_for_data(self, timeout=600):
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"""Wait for some network event.
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This is currently not guaranteed to actually have data when
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return. This is supposed to be something more appropriate
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than sleep(0), but only marginally so.
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"""
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# reason for this is that we currently nicely pass through the callback
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# straight to ipmi library. To implement this accurately, easiest path
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# would be to add a layer through the callback. IMO there isn't enough
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# value in assuring data coming back to bother with making the stack
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# taller than it has to be
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#TODO: a channel for the ipmithread to tug back instead of busy wait
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#while tmptimeout is not None:
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# eventlet.sleep(0)
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console.session.Session.wait_for_rsp(timeout=timeout)
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class IpmiIterator(object):
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def __init__(self, operator, nodes, element, cfg, inputdata):
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crypt = cfg.decrypt
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cfg.decrypt = True
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configdata = cfg.get_node_attributes(nodes,
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['secret.ipmiuser', 'secret.ipmipassphrase',
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'secret.managementuser', 'secret.managementpassphrase',
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'hardwaremanagement.manager'])
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cfg.decrypt = crypt
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self.gpile = greenpool.GreenPile()
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for node in nodes:
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self.gpile.spawn(perform_request, operator, node, element, configdata, inputdata)
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def __iter__(self):
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return self
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def next(self):
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ndata = self.gpile.next()
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# need to apply any translations between pyghmi and confluent
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return ndata
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def perform_request(operator, node, element, configdata, inputdata):
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return IpmiHandler(operator, node, element, configdata, inputdata).handle_request()
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class IpmiHandler(object):
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def __iter__():
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return self
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def __init__(self, operation, node, element, cfd, inputdata):
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self.broken = False
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eventlet.sleep(0)
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self.cfg = cfd[node]
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self.loggedin = False
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self.node = node
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self.element = element
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self.op = operation
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connparams = get_conn_params(node, self.cfg)
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self.ipmicmd = None
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self.inputdata = inputdata
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self.ipmicmd = ipmicommand.Command(bmc=connparams['bmc'],
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userid=connparams['username'],
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password=connparams['passphrase'],
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kg=connparams['kg'],
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port=connparams['port'],
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onlogon=self.logged)
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print "spin on logon"
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while not (self.loggedin or self.broken):
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print "on"
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console.session.Session.wait_for_rsp(timeout=600)
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print "hmph..."
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def logged(self, response, ipmicmd):
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print "huzzah"
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if 'error' in response:
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self.broken = True
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self.error = response['error']
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else:
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self.loggedin = True
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def handle_request(self):
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bootdevices = {
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'optical': 'cd'
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}
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while not (self.loggedin or self.broken):
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console.session.Session.wait_for_rsp(timeout=600)
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if self.broken:
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if self.error == 'timeout':
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raise exc.TargetEndpointTimeout()
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else:
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raise Exception(self.error)
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if self.element == [ 'power', 'state' ]:
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if 'read' == self.op:
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power = self.ipmicmd.get_power()
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return msg.PowerState(node=self.node,
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state=power['powerstate'])
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elif 'update' == self.op:
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powerstate = self.inputdata.powerstate(self.node)
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#TODO: call with wait argument
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self.ipmicmd.set_power(powerstate)
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power = self.ipmicmd.get_power()
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return msg.PowerState(node=self.node,
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state=power['powerstate'])
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elif self.element == [ 'boot', 'device' ]:
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if 'read' == self.op:
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bootdev = self.ipmicmd.get_bootdev()
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if bootdev['bootdev'] in bootdevices:
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bootdev['bootdev'] = bootdevices[bootdev['bootdev']]
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return msg.BootDevice(node=self.node,
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device=bootdev['bootdev'])
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elif 'update' == self.op:
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bootdev = self.inputdata.bootdevice(self.node)
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bootdev = self.ipmicmd.set_bootdev(bootdev)
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if bootdev['bootdev'] in bootdevices:
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bootdev['bootdev'] = bootdevices[bootdev['bootdev']]
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return msg.BootDevice(node=self.node,
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device=bootdev['bootdev'])
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def create(nodes, element, configmanager, inputdata):
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if element == [ '_console', 'session' ]:
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if len(nodes) > 1:
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raise Exception("_console/session does not support multiple nodes")
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return IpmiConsole(nodes[0], configmanager)
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else:
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return IpmiIterator('update', nodes, element, configmanager, inputdata)
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def update(nodes, element, configmanager, inputdata):
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return create(nodes, element, configmanager, inputdata)
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def retrieve(nodes, element, configmanager, inputdata):
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return IpmiIterator('read', nodes, element, configmanager, inputdata)
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