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#
# jFed support for Rumba
#
# Sander Vrijders <sander.vrijders@intec.ugent.be>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301 USA
import subprocess
import getpass
import xml.dom.minidom as xml
import os.path
import time
import wget
import tarfile
import rumba.model as mod
import rumba.log as log
from rumba import ssh_support
logger = log.get_logger(__name__)
class Testbed(mod.Testbed):
def __init__(self, exp_name, username, cert_file, exp_hours="2",
proj_name="ARCFIRE", authority="wall2.ilabt.iminds.be",
image=None):
passwd = getpass.getpass(prompt="Password for certificate file: ")
mod.Testbed.__init__(self,
exp_name,
username,
passwd,
proj_name,
http_proxy="https://proxy.atlantis.ugent.be:8080")
self.authority = "urn:publicid:IDN+" + authority + "+authority+cm"
self.auth_name = authority
self.cert_file = cert_file
self.exp_hours = exp_hours
self.if_id = dict()
self.rspec = os.path.join(mod.tmp_dir, self.exp_name + ".rspec")
self.manifest = os.path.join(mod.tmp_dir, self.exp_name + ".rrspec")
self.jfed_jar = os.path.join(mod.cache_dir,
'jfed_cli/experimenter-cli.jar')
if image is not None:
self.image = "urn:publicid:IDN+" + authority + \
"+image+wall2-ilabt-iminds-be:" + image
else:
self.image = None
if not os.path.exists(self.jfed_jar):
logger.info("Couldn't find jFed CLI. Downloading.")
tarball = "jfed_cli.tar.gz"
url = "http://jfed.iminds.be/downloads/stable/jar/" + tarball
wget.download(url)
tar = tarfile.open(tarball)
tar.extractall()
tar.close()
os.rename(os.path.join(os.getcwd(), 'jfed_cli'),
os.path.join(mod.cache_dir, 'jfed_cli'))
os.remove(tarball)
self.flags['no_vlan_offload'] = True
def create_rspec(self, experiment):
impl = xml.getDOMImplementation()
doc = impl.createDocument(None, "rspec", None)
top_el = doc.documentElement
top_el.setAttribute("xmlns", "http://www.geni.net/resources/rspec/3")
top_el.setAttribute("type", "request")
top_el.setAttribute("xmlns:emulab", "http://www.protogeni.net/" +
"resources/rspec/ext/emulab/1")
top_el.setAttribute("xmlns:jfedBonfire", "http://jfed.iminds.be/" +
"rspec/ext/jfed-bonfire/1")
top_el.setAttribute("xmlns:delay", "http://www.protogeni.net/" +
"resources/rspec/ext/delay/1")
top_el.setAttribute("xmlns:jfed-command", "http://jfed.iminds.be/" +
"rspec/ext/jfed-command/1")
top_el.setAttribute("xmlns:client", "http://www.protogeni.net/" +
"resources/rspec/ext/client/1")
top_el.setAttribute("xmlns:jfed-ssh-keys", "http://jfed.iminds.be/" +
"rspec/ext/jfed-ssh-keys/1")
top_el.setAttribute("xmlns:jfed", "http://jfed.iminds.be/rspec/" +
"ext/jfed/1")
top_el.setAttribute("xmlns:sharedvlan", "http://www.protogeni.net/" +
"resources/rspec/ext/shared-vlan/1")
top_el.setAttribute("xmlns:xsi", "http://www.w3.org/2001/" +
"XMLSchema-instance")
top_el.setAttribute("xsi:schemaLocation", "http://www.geni.net/" +
"resources/rspec/3 http://www.geni.net/" +
"resources/rspec/3/request.xsd")
for node in experiment.nodes:
el = doc.createElement("node")
top_el.appendChild(el)
el.setAttribute("client_id", node.name)
el.setAttribute("exclusive", "true")
el.setAttribute("component_manager_id", self.authority)
el2 = doc.createElement("sliver_type")
el.appendChild(el2)
el2.setAttribute("name", "raw-pc")
if self.image is not None:
image_el = doc.createElement("disk_image")
image_el.setAttribute("name", self.image)
el2.appendChild(image_el)
node.ifs = 0
for ipcp in node.ipcps:
if isinstance(ipcp, mod.ShimEthIPCP):
el3 = doc.createElement("interface")
self.if_id[ipcp] = node.name + ":if" + str(node.ifs)
el3.setAttribute("client_id", self.if_id[ipcp])
node.ifs += 1
el.appendChild(el3)
for dif in experiment.dif_ordering:
if isinstance(dif, mod.ShimEthDIF):
el = doc.createElement("link")
top_el.appendChild(el)
el.setAttribute("client_id", dif.name)
el2 = doc.createElement("component_manager_id")
el2.setAttribute("name", self.authority)
el.appendChild(el2)
for ipcp in dif.ipcps:
el3 = doc.createElement("interface_ref")
el3.setAttribute("client_id", self.if_id[ipcp])
el.appendChild(el3)
file = open(self.rspec, "w")
file.write(doc.toprettyxml())
file.close()
def swap_in(self, experiment):
self.create_rspec(experiment)
for node in experiment.nodes:
auth_name_r = self.auth_name.replace(".", "-")
node.ssh_config.hostname = \
node.name + "." + self.exp_name + "." + \
auth_name_r + "." + self.auth_name
node.ssh_config.proxycommand = "ssh -i '" + self.cert_file + \
"' -o StrictHostKeyChecking=no " + \
self.username + \
"@bastion.test.iminds.be nc " + \
node.ssh_config.hostname + " 22"
subprocess.call(["java", "-jar", self.jfed_jar, "create", "-S",
self.proj_name, "--rspec",
self.rspec, "-s",
self.exp_name, "-p", self.cert_file, "-k",
"usercert,userkeys,shareduserallkeys",
"--create-slice",
"--manifest", self.manifest,
"-P", self.password,
"-e", self.exp_hours])
rspec = xml.parse(self.manifest)
xml_nodes = rspec.getElementsByTagName("node")
dir_path = os.path.dirname(os.path.abspath(__file__))
# Complete details of the nodes after swapin
logger.info("Sleeping for two seconds to avoid contacting jfed nodes "
"too soon.")
time.sleep(2)
for xml_node in xml_nodes:
n_name = xml_node.getAttribute("client_id")
intfs = xml_node.getElementsByTagName("interface")
got = False
for node in experiment.nodes:
if node.name == n_name:
node_n = node
got = True
if not got:
logger.error("Not found node %s", n_name)
for intf in intfs:
aux_mac_address = intf.getAttribute("mac_address")
mac = ":".join(
[aux_mac_address[i:i+2] for i in range(0, 12, 2)]
)
command = (
'echo "mac=\\"\$1\\"; cd / && ./sbin/ifconfig -a | '
'awk \'/^[a-z]/ { if ( \\"\'\\"\$mac\\"\'\\" == \$5 )'
' print \$1}\'" > mac2ifname.sh')
ssh_support.execute_command(self, node_n.ssh_config, command)
# ssh_support.copy_path_to_testbed(
# self,
# node_n.ssh_config,
# os.path.join(dir_path, 'mac2ifname.sh'),
# '')
ssh_support.execute_command(
self,
node_n.ssh_config,
'cd ~ && chmod a+x mac2ifname.sh')
ifname = ssh_support.execute_command(
self,
node_n.ssh_config,
'./mac2ifname.sh ' + mac
)
i_name = intf.getAttribute("client_id")
for ipcp in node_n.ipcps:
if isinstance(ipcp, mod.ShimEthIPCP):
if self.if_id[ipcp] == i_name:
ipcp.ifname = ifname
if ifname is None:
logger.error("Could not determine name of node"
"%s interface %s"
% (node_n.name, mac))
else:
logger.debug("Node %s interface %s has name %s."
% (node_n.name, mac, ifname))
# comp_id = intf.getAttribute("component_id")
# comp_arr = comp_id.split(":")
# ipcp.ifname = comp_arr[-1]
# xml_ip = intf.getElementsByTagName("ip")
# interface.ip = xml_ip[0].getAttribute("address")
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