def pull_configuration(from_node):
'''
Copy the configuration from the given node to this node
'''
local_path = conf()
_, fname = tmpfiles.create()
print "Retrieving %s:%s..." % (from_node, local_path)
cmd = ['scp', '-qC',
'-o', 'PasswordAuthentication=no',
'-o', 'StrictHostKeyChecking=no',
'%s:%s' % (from_node, local_path),
fname]
rc = utils.ext_cmd_nosudo(cmd, shell=False)
if rc == 0:
data = open(fname).read()
newhash = hash(data)
if os.path.isfile(local_path):
oldata = open(local_path).read()
oldhash = hash(oldata)
if newhash == oldhash:
print "No change."
return
print "Writing %s..."
local_file = open(local_path, 'w')
local_file.write(data)
local_file.close()
else:
raise ValueError("Failed to retrieve %s from %s" % (local_path, from_node))
def pull_configuration(from_node):
'''
Copy the configuration from the given node to this node
'''
local_path = conf()
_, fname = tmpfiles.create()
print "Retrieving %s:%s..." % (from_node, local_path)
cmd = [
'scp', '-qC', '-o', 'PasswordAuthentication=no', '-o',
'StrictHostKeyChecking=no',
'%s:%s' % (from_node, local_path), fname
]
rc = utils.ext_cmd_nosudo(cmd, shell=False)
if rc == 0:
data = open(fname).read()
newhash = hash(data)
if os.path.isfile(local_path):
oldata = open(local_path).read()
oldhash = hash(oldata)
if newhash == oldhash:
print "No change."
return
print "Writing %s..."
local_file = open(local_path, 'w')
local_file.write(data)
local_file.close()
else:
raise ValueError("Failed to retrieve %s from %s" %
(local_path, from_node))
def image(self, img_type, outf):
if not config.core.dot:
common_err("dot not found")
return False
dotf = self.totmpf()
if not dotf:
return False
tmpfiles.add(dotf)
return (utils.ext_cmd_nosudo("%s -T%s -o%s %s" %
(config.core.dot, img_type, outf, dotf)) == 0)
def image(self, img_type, outf):
if not config.core.dot:
common_err("dot not found")
return False
dotf = self.totmpf()
if not dotf:
return False
tmpfiles.add(dotf)
return (utils.ext_cmd_nosudo(
"%s -T%s -o%s %s" % (config.core.dot, img_type, outf, dotf)) == 0)