import os
import sys
-import resource
import traceback
+import BaseHTTPServer
+import simplejson
+import errno
from optparse import OptionParser
from ganeti import ssconf
from ganeti import utils
-from twisted.spread import pb
-from twisted.internet import reactor
-from twisted.cred import checkers, portal
-from OpenSSL import SSL
+class ServerObject(BaseHTTPServer.BaseHTTPRequestHandler):
+ """The server implementation.
-class ServerContextFactory:
- """SSL context factory class that uses a given certificate.
+ This class holds all methods exposed over the RPC interface.
"""
- @staticmethod
- def getContext():
- """Return a customized context.
-
- The context will be set to use our certificate.
+ def do_PUT(self):
+ """Handle a post request.
"""
- ctx = SSL.Context(SSL.TLSv1_METHOD)
- ctx.use_certificate_file(constants.SSL_CERT_FILE)
- ctx.use_privatekey_file(constants.SSL_CERT_FILE)
- return ctx
+ path = self.path
+ if path.startswith("/"):
+ path = path[1:]
+ mname = "perspective_%s" % path
+ if not hasattr(self, mname):
+ self.send_error(404)
+ return False
-class ServerObject(pb.Avatar):
- """The server implementation.
-
- This class holds all methods exposed over the RPC interface.
+ method = getattr(self, mname)
+ try:
+ body_length = int(self.headers.get('Content-Length', '0'))
+ except ValueError:
+ self.send_error(400, 'No Content-Length header or invalid format')
+ return False
- """
- def __init__(self, name):
- self.name = name
+ try:
+ body = self.rfile.read(body_length)
+ except socket.error, err:
+ logger.Error("Socket error while reading: %s" % str(err))
+ return
+ try:
+ params = simplejson.loads(body)
+ result = method(params)
+ payload = simplejson.dumps(result)
+ except errors.QuitGanetiException, err:
+ global _EXIT_GANETI_NODED
+ _EXIT_GANETI_NODED = True
+ if isinstance(err, tuple) and len(err) == 2:
+ if err[0]:
+ self.send_error(500, "Error: %s" % str(err[1]))
+ else:
+ payload = simplejson.dumps(err[1])
+ else:
+ self.log_message('GanetiQuitException Usage Error')
+ self.send_error(500, "Error: %s" % str(err))
+ except Exception, err:
+ self.send_error(500, "Error: %s" % str(err))
+ return False
+ self.send_response(200)
+ self.send_header('Content-Length', str(len(payload)))
+ self.end_headers()
+ self.wfile.write(payload)
+ return True
- def perspectiveMessageReceived(self, broker, message, args, kw):
- """Custom message dispatching function.
+ def log_message(self, format, *args):
+ """Log a request to the log.
- This function overrides the pb.Avatar function in order to provide
- a simple form of exception passing (as text only).
+ This is the same as the parent, we just log somewhere else.
"""
- args = broker.unserialize(args, self)
- kw = broker.unserialize(kw, self)
- method = getattr(self, "perspective_%s" % message)
- tb = None
- state = None
- try:
- state = method(*args, **kw)
- except:
- tb = traceback.format_exc()
-
- return broker.serialize((tb, state), self, method, args, kw)
+ msg = ("%s - - [%s] %s" %
+ (self.address_string(),
+ self.log_date_time_string(),
+ format % args))
+ logger.Debug(msg)
# the new block devices --------------------------
"""Create a block device.
"""
- bdev_s, size, on_primary, info = params
+ bdev_s, size, owner, on_primary, info = params
bdev = objects.Disk.FromDict(bdev_s)
if bdev is None:
raise ValueError("can't unserialize data!")
- return backend.CreateBlockDevice(bdev, size, on_primary, info)
+ return backend.CreateBlockDevice(bdev, size, owner, on_primary, info)
@staticmethod
def perspective_blockdev_remove(params):
"""Assemble a block device.
"""
- bdev_s, on_primary = params
+ bdev_s, owner, on_primary = params
bdev = objects.Disk.FromDict(bdev_s)
if bdev is None:
raise ValueError("can't unserialize data!")
- return backend.AssembleBlockDevice(bdev, on_primary)
+ return backend.AssembleBlockDevice(bdev, owner, on_primary)
@staticmethod
def perspective_blockdev_shutdown(params):
cfbd = objects.Disk.FromDict(params[0])
return backend.SnapshotBlockDevice(cfbd)
+ @staticmethod
+ def perspective_blockdev_grow(params):
+ """Grow a stack of devices.
+
+ """
+ cfbd = objects.Disk.FromDict(params[0])
+ amount = params[1]
+ return backend.GrowBlockDevice(cfbd, amount)
+
+ @staticmethod
+ def perspective_blockdev_close(params):
+ """Closes the given block devices.
+
+ """
+ disks = [objects.Disk.FromDict(cf) for cf in params]
+ return backend.CloseBlockDevices(disks)
+
# export/import --------------------------
@staticmethod
return backend.StartInstance(instance, extra_args)
@staticmethod
+ def perspective_instance_migrate(params):
+ """Migrates an instance.
+
+ """
+ instance, target, live = params
+ return backend.MigrateInstance(instance, target, live)
+
+ @staticmethod
def perspective_instance_reboot(params):
"""Reboot an instance.
"""Do a TcpPing on the remote node.
"""
- return utils.TcpPing(params[0], params[1], params[2],
- timeout=params[3], live_port_needed=params[4])
+ return utils.TcpPing(params[1], params[2], timeout=params[3],
+ live_port_needed=params[4], source=params[0])
@staticmethod
def perspective_node_info(params):
"""Query detailed information about existing OSes.
"""
- os_list = backend.DiagnoseOS()
- if not os_list:
- # this catches also return values of 'False',
- # for which we can't iterate over
- return os_list
- result = []
- for data in os_list:
- if isinstance(data, objects.OS):
- result.append(data.ToDict())
- elif isinstance(data, errors.InvalidOS):
- result.append(data.args)
- else:
- raise errors.ProgrammerError("Invalid result from backend.DiagnoseOS"
- " (class %s, %s)" %
- (str(data.__class__), data))
-
- return result
+ return [os.ToDict() for os in backend.DiagnoseOS()]
@staticmethod
def perspective_os_get(params):
"""
name = params[0]
try:
- os_obj = backend.OSFromDisk(name).ToDict()
+ os_obj = backend.OSFromDisk(name)
except errors.InvalidOS, err:
- os_obj = err.args
- return os_obj
+ os_obj = objects.OS.FromInvalidOS(err)
+ return os_obj.ToDict()
# hooks -----------------------
hr = backend.HooksRunner()
return hr.RunHooks(hpath, phase, env)
+ # iallocator -----------------
-class MyRealm:
- """Simple realm that forwards all requests to a ServerObject.
+ @staticmethod
+ def perspective_iallocator_runner(params):
+ """Run an iallocator script.
- """
- __implements__ = portal.IRealm
+ """
+ name, idata = params
+ iar = backend.IAllocatorRunner()
+ return iar.Run(name, idata)
+
+ # test -----------------------
+
+ @staticmethod
+ def perspective_test_delay(params):
+ """Run test delay.
+
+ """
+ duration = params[0]
+ return utils.TestDelay(duration)
+
+ @staticmethod
+ def perspective_file_storage_dir_create(params):
+ """Create the file storage directory.
+
+ """
+ file_storage_dir = params[0]
+ return backend.CreateFileStorageDir(file_storage_dir)
+
+ @staticmethod
+ def perspective_file_storage_dir_remove(params):
+ """Remove the file storage directory.
+
+ """
+ file_storage_dir = params[0]
+ return backend.RemoveFileStorageDir(file_storage_dir)
- def requestAvatar(self, avatarId, mind, *interfaces):
- """Return an avatar based on our ServerObject class.
+ @staticmethod
+ def perspective_file_storage_dir_rename(params):
+ """Rename the file storage directory.
"""
- if pb.IPerspective not in interfaces:
- raise NotImplementedError
- return pb.IPerspective, ServerObject(avatarId), lambda:None
+ old_file_storage_dir = params[0]
+ new_file_storage_dir = params[1]
+ return backend.RenameFileStorageDir(old_file_storage_dir,
+ new_file_storage_dir)
def ParseOptions():
"""
options, args = ParseOptions()
+ utils.debug = options.debug
for fname in (constants.SSL_CERT_FILE,):
if not os.path.isfile(fname):
print "config %s not there, will not run." % fname
print "Cluster configuration incomplete: '%s'" % str(err)
sys.exit(5)
+ # create /var/run/ganeti if not existing, in order to take care of
+ # tmpfs /var/run
+ if not os.path.exists(constants.BDEV_CACHE_DIR):
+ try:
+ os.mkdir(constants.BDEV_CACHE_DIR, 0755)
+ except EnvironmentError, err:
+ if err.errno != errno.EEXIST:
+ print ("Node setup wrong, cannot create directory %s: %s" %
+ (constants.BDEV_CACHE_DIR, err))
+ sys.exit(5)
+ if not os.path.isdir(constants.BDEV_CACHE_DIR):
+ print ("Node setup wrong, %s is not a directory" %
+ constants.BDEV_CACHE_DIR)
+ sys.exit(5)
+
# become a daemon
if options.fork:
- createDaemon()
+ utils.Daemonize(logfile=constants.LOG_NODESERVER)
- logger.SetupLogging(twisted_workaround=True, debug=options.debug,
- program="ganeti-noded")
+ logger.SetupLogging(program="ganeti-noded", debug=options.debug)
- p = portal.Portal(MyRealm())
- p.registerChecker(
- checkers.InMemoryUsernamePasswordDatabaseDontUse(master_node=pwdata))
- reactor.listenSSL(port, pb.PBServerFactory(p), ServerContextFactory())
- reactor.run()
+ global _EXIT_GANETI_NODED
+ _EXIT_GANETI_NODED = False
-
-def createDaemon():
- """Detach a process from the controlling terminal and run it in the
- background as a daemon.
-
- """
- UMASK = 077
- WORKDIR = "/"
- # Default maximum for the number of available file descriptors.
- if 'SC_OPEN_MAX' in os.sysconf_names:
- try:
- MAXFD = os.sysconf('SC_OPEN_MAX')
- if MAXFD < 0:
- MAXFD = 1024
- except OSError:
- MAXFD = 1024
- else:
- MAXFD = 1024
- # The standard I/O file descriptors are redirected to /dev/null by default.
- #REDIRECT_TO = getattr(os, "devnull", "/dev/null")
- REDIRECT_TO = constants.LOG_NODESERVER
- try:
- pid = os.fork()
- except OSError, e:
- raise Exception("%s [%d]" % (e.strerror, e.errno))
- if (pid == 0): # The first child.
- os.setsid()
- try:
- pid = os.fork() # Fork a second child.
- except OSError, e:
- raise Exception("%s [%d]" % (e.strerror, e.errno))
- if (pid == 0): # The second child.
- os.chdir(WORKDIR)
- os.umask(UMASK)
- else:
- # exit() or _exit()? See below.
- os._exit(0) # Exit parent (the first child) of the second child.
- else:
- os._exit(0) # Exit parent of the first child.
- maxfd = resource.getrlimit(resource.RLIMIT_NOFILE)[1]
- if (maxfd == resource.RLIM_INFINITY):
- maxfd = MAXFD
-
- # Iterate through and close all file descriptors.
- for fd in range(0, maxfd):
- try:
- os.close(fd)
- except OSError: # ERROR, fd wasn't open to begin with (ignored)
- pass
- os.open(REDIRECT_TO, os.O_RDWR|os.O_CREAT|os.O_APPEND, 0600)
- # Duplicate standard input to standard output and standard error.
- os.dup2(0, 1) # standard output (1)
- os.dup2(0, 2) # standard error (2)
- return(0)
+ httpd = BaseHTTPServer.HTTPServer(('', port), ServerObject)
+ while (not _EXIT_GANETI_NODED):
+ httpd.handle_request()
if __name__ == '__main__':
projects / ganeti-local / blobdiff