def scan( host=get_hostname(), db=None, pyro_timeout=None, verbose=False, silent=False ):
#print 'SCANNING PORTS'
# scan all cylc Pyro ports for cylc suites
gcfg = get_global_cfg(verbose=verbose)
pyro_base_port = gcfg.cfg['pyro']['base port']
pyro_port_range = gcfg.cfg['pyro']['maximum number of ports']
# In non-verbose mode print nothing (scan is used by cylc db viewer).
# load my suite passphrases
reg = localdb(db)
reg_suites = reg.get_list()
my_passphrases = {}
for item in reg_suites:
rg = item[0]
di = item[1]
try:
pp = passphrase( rg, user, host ).get( suitedir=di )
except Exception, x:
#print >> sys.stderr, x
# no passphrase defined for this suite
pass
else:
my_passphrases[ rg ] = pp
def get_host_ip_address( verbose=False ):
global host_ip_address
if host_ip_address is None:
gcfg = get_global_cfg( verbose=verbose )
target = gcfg.cfg['suite host self-identification']['target']
# external IP address of the suite host:
host_ip_address = get_local_ip_address( target )
return host_ip_address
def __init__( self, suite ):
gcfg = get_global_cfg()
self.ldir = gcfg.get_derived_host_item( suite, 'suite log directory' )
self.path = os.path.join( self.ldir, 'log' )
self.err_path = os.path.join( self.ldir, 'err' )
self.roll_at_startup = gcfg.cfg['suite logging']['roll over at start-up']
self.n_keep = gcfg.cfg['suite logging']['rolling archive length']
self.max_bytes = gcfg.cfg['suite logging']['maximum size in bytes']
def get_host_ip_address(verbose=False):
global host_ip_address
if host_ip_address is None:
gcfg = get_global_cfg(verbose=verbose)
target = gcfg.cfg['suite host self-identification']['target']
# external IP address of the suite host:
host_ip_address = get_local_ip_address(target)
return host_ip_address
def prompt( reason, force=False ):
gcfg = get_global_cfg()
if force or gcfg.cfg['disable interactive command prompts']:
return
response = raw_input( reason + ' (y/n)? ' )
if response == 'y':
return
else:
sys.exit(0)
def __init__(self, suite, host, owner, verbose=False):
self.verbose = verbose
self.suite = suite
self.host = host
self.owner = owner
self.locn = None
gcfg = get_global_cfg()
self.local_path = os.path.join( gcfg.cfg['pyro']['ports directory'], suite )
def __init__( self, suite ):
gcfg = get_global_cfg()
sodir = gcfg.get_derived_host_item( suite, 'suite log directory' )
self.opath = os.path.join( sodir, 'out' )
self.epath = os.path.join( sodir, 'err' )
# use same archive length as logging (TODO: document this)
self.roll_at_startup = gcfg.cfg['suite logging']['roll over at start-up']
self.arclen = gcfg.cfg['suite logging']['rolling archive length']
def __init__(self, suite):
gcfg = get_global_cfg()
sodir = gcfg.get_derived_host_item(suite, 'suite log directory')
self.opath = os.path.join(sodir, 'out')
self.epath = os.path.join(sodir, 'err')
# use same archive length as logging (TODO: document this)
self.roll_at_startup = gcfg.cfg['suite logging'][
'roll over at start-up']
self.arclen = gcfg.cfg['suite logging']['rolling archive length']
def get_port( suite, owner=user, host=get_hostname(), pphrase=None, pyro_timeout=None, verbose=False ):
# Scan ports until a particular suite is found.
gcfg = get_global_cfg(verbose=verbose)
pyro_base_port = gcfg.cfg['pyro']['base port']
pyro_port_range = gcfg.cfg['pyro']['maximum number of ports']
for port in range( pyro_base_port, pyro_base_port + pyro_port_range ):
uri = cylcid_uri( host, port )
try:
proxy = Pyro.core.getProxyForURI(uri)
except Pyro.errors.URIError, x:
# No such host?
raise SuiteNotFoundError, x
if pyro_timeout: # convert from string
pyro_timeout = float( pyro_timeout )
proxy._setTimeout(pyro_timeout)
proxy._setIdentification( pphrase )
before = datetime.datetime.now()
try:
name, xowner = proxy.id()
except Pyro.errors.TimeoutError:
warn_timeout( host, port, pyro_timeout )
pass
except Pyro.errors.ConnectionDeniedError:
#print >> sys.stderr, "Wrong suite or wrong passphrase at " + portid( host, port )
pass
except Pyro.errors.ProtocolError:
#print >> sys.stderr, "No Suite Found at " + portid( host, port )
pass
except Pyro.errors.NamingError:
#print >> sys.stderr, "Non-cylc pyro server found at " + portid( host, port )
pass
else:
if verbose:
after = datetime.datetime.now()
print "Pyro connection on port " +str(port) + " took: " + str( after - before )
if name == suite and xowner == owner:
if verbose:
print suite, owner, host, port
# RESULT
return port
else:
# ID'd some other suite.
#print 'OTHER SUITE:', name, xowner, host, port
pass
def __init__(self,
suite,
run_mode='live',
clock=None,
ict=None,
stop_tag=None):
self.run_mode = run_mode
self.clock = clock
self.ict = ict
self.stop_tag = stop_tag
gcfg = get_global_cfg()
self.dir = gcfg.get_derived_host_item(suite, 'suite state directory')
self.path = os.path.join(self.dir, 'state')
arclen = gcfg.cfg['state dump rolling archive length']
self.archive = rolling_archive(self.path, arclen)
def __init__(self, suite, port, verbose=False):
self.verbose = verbose
self.suite = suite
# the ports directory is assumed to exist
gcfg = get_global_cfg()
pdir = gcfg.cfg['pyro']['ports directory']
self.local_path = os.path.join( pdir, suite )
try:
self.port = str(int(port))
except ValueError, x:
print >> sys.stderr, x
raise PortFileError( "ERROR, illegal port number: " + str(port) )
def get_suite_host( verbose=False ):
global suite_host
if suite_host is None:
gcfg = get_global_cfg( verbose=verbose )
hardwired = gcfg.cfg['suite host self-identification']['host']
method = gcfg.cfg['suite host self-identification']['method']
# the following is for suite host self-identfication in task job scripts:
if method == 'name':
suite_host = hostname
elif method == 'address':
suite_host = host_ip_address
elif method == 'hardwired':
if not hardwired:
sys.exit( 'ERROR, no hardwired hostname is configured' )
suite_host = hardwired
else:
sys.exit( 'ERROR, unknown host method: ' + method )
return suite_host
def get_suite_host(verbose=False):
global suite_host
if suite_host is None:
gcfg = get_global_cfg(verbose=verbose)
hardwired = gcfg.cfg['suite host self-identification']['host']
method = gcfg.cfg['suite host self-identification']['method']
# the following is for suite host self-identfication in task job scripts:
if method == 'name':
suite_host = hostname
elif method == 'address':
suite_host = host_ip_address
elif method == 'hardwired':
if not hardwired:
sys.exit('ERROR, no hardwired hostname is configured')
suite_host = hardwired
else:
sys.exit('ERROR, unknown host method: ' + method)
return suite_host
def main(name, start):
# Parse the command line:
server = start()
# Print copyright and license information
print_blurb()
# Before daemonizing attempt to create the suite output tree and get
# the suite port file.
try:
if server.__class__.__name__ != 'restart':
gcfg = get_global_cfg()
gcfg.create_cylc_run_tree(server.suite, server.options.verbose)
server.configure_pyro()
except Exception, x:
if server.options.debug:
raise
else:
print >> sys.stderr, x
sys.exit(1)
def main(name, start):
# Parse the command line:
server = start()
# Print copyright and license information
print_blurb()
# Before daemonizing attempt to create the suite output tree and get
# the suite port file.
try:
if server.__class__.__name__ != "restart":
gcfg = get_global_cfg()
gcfg.create_cylc_run_tree(server.suite, server.options.verbose)
server.configure_pyro()
except Exception, x:
if server.options.debug:
raise
else:
print >> sys.stderr, x
sys.exit(1)
