def rspec_to_omnispec(urn, rspec):
# URN is that of the AM
ospec = OmniSpec("rspec_sfa", urn)
doc = ET.fromstring(rspec)
for network in doc.findall('network'):
for site in network.findall('site'):
for node in site.findall('node'):
net_name = network.get('name')
site_id = site.get('id')
site_name = site.find('name').text
hostname = node.find('hostname').text
r = OmniResource(hostname,
'%s %s %s' % (net_name, site_id, hostname),
'vm')
urn = 'urn:publicid:IDN+%s:%s+node+%s' % (net_name.replace(
'.', ":"), site_name, hostname.split('.')[0])
misc = r['misc']
misc['site_id'] = site_id
misc['site_name'] = site_name
misc['hostname'] = hostname
misc['net_name'] = net_name
misc['node_id'] = node.get('id')
if not node.find('sliver') is None:
r.set_allocated(True)
ospec.add_resource(urn, r)
return ospec
def rspec_to_omnispec(urn, rspec):
# URN is that of the AM
ospec = OmniSpec("rspec_sfa", urn)
doc = ET.fromstring(rspec)
for network in doc.findall('network'):
for site in network.findall('site'):
for node in site.findall('node'):
net_name = network.get('name')
site_id = site.get('id')
site_name = site.find('name').text
hostname = node.find('hostname').text
r = OmniResource(hostname, '%s %s %s' % (net_name, site_id, hostname), 'vm')
urn = 'urn:publicid:IDN+%s:%s+node+%s' % (net_name.replace('.', ":"), site_name, hostname.split('.')[0])
misc = r['misc']
misc['site_id'] = site_id
misc['site_name'] = site_name
misc['hostname'] = hostname
misc['net_name'] = net_name
misc['node_id'] = node.get('id')
if not node.find('sliver') is None:
r.set_allocated(True)
ospec.add_resource(urn, r)
return ospec
def add_nodes(ospec, root):
for res in root.findall(pg_tag('node')):
name = res.attrib['component_name']
description = 'ProtoGENI Node'
type = 'node'
omni_res = OmniResource(name, description, type)
available = res.find(pg_tag('available')).text.lower() == 'true'
omni_res.set_allocated(not (available))
omni_res['orig_xml'] = ET.tostring(res)
id = res.attrib['component_uuid']
ospec.add_resource(id, omni_res)
def add_links(ospec, root):
for res in root.findall(pg_tag('link')):
name = res.attrib['component_name']
description = 'ProtoGENI Link'
type = 'link'
omni_res = OmniResource(name, description, type)
# Links appear to be always available
available = True
omni_res.set_allocated(not (available))
omni_res['orig_xml'] = ET.tostring(res)
id = res.attrib['component_uuid']
ospec.add_resource(id, omni_res)
def add_links(ospec, root):
for res in root.findall(pg_tag('link')):
name = res.attrib['component_name']
description = 'ProtoGENI Link'
type = 'link'
omni_res = OmniResource(name, description, type)
# Links appear to be always available
available = True
omni_res.set_allocated(not(available))
omni_res['orig_xml'] = ET.tostring(res)
id = res.attrib['component_uuid']
ospec.add_resource(id, omni_res)
def add_nodes(ospec, root):
for res in root.findall(pg_tag('node')):
name = res.attrib['component_name']
description = 'ProtoGENI Node'
type = 'node'
omni_res = OmniResource(name, description, type)
available = res.find(pg_tag('available')).text.lower() == 'true'
omni_res.set_allocated(not(available))
omni_res['orig_xml'] = ET.tostring(res)
id = res.attrib['component_uuid']
ospec.add_resource(id, omni_res)
def rspec_to_omnispec(urn, rspec):
# URN is that of the AM
ospec = OmniSpec("rspec_gcf", urn)
doc = ET.fromstring(rspec)
for res in doc.findall('resource'):
type = res.find('type').text
id = res.find('id').text
rurn = res.find('urn').text
available = res.find('available').text
available = available.lower() == 'true'
r = OmniResource(id, 'node ' + id, type)
r.set_allocated(not available)
ospec.add_resource(rurn, r)
return ospec
def rspec_to_omnispec(urn, rspec):
# URN is that of the AM
ospec = OmniSpec("rspec_gcf", urn)
doc = ET.fromstring(rspec)
for res in doc.findall('resource'):
type = res.find('type').text
id = res.find('id').text
rurn = res.find('urn').text
available = res.find('available').text
available = available.lower() == 'true'
r = OmniResource(id, 'node ' + id, type)
r.set_allocated(not available)
ospec.add_resource(rurn, r)
return ospec
def rspec_to_omnispec(urn, rspec):
ospec = OmniSpec("rspec_of", urn)
ospec = make_skeleton_of_ospec(ospec)
doc = ET.fromstring(rspec)
#sys.stderr.write(rspec)
for network in doc.findall('network'):
net_name = network.get('name')
switches = network.findall('switches')[0]
swmap = {}
for switch in switches.findall('switch'):
# convert:
# "<switch urn="urn:publicid:IDN+openflow:stanford+switch:0" />"
urn = switch.get('urn')
# switchname = "stanford_network:switch:00:00:00:23:01:35:a5:5d"
switchname = net_name + ':' + urn.split('+')[1]
s = OmniResource(switchname, "OpenFlow Switch" ,'switch')
options=['dl_src', 'dl_dst', 'dl_type', 'vlan_id', 'nw_src',\
'nw_dst', 'nw_proto', 'tp_src', 'tp_dst']
for opt in options:
s['options'][opt] = 'from=*, to=*'
swmap[urn] = s
ospec.add_resource(urn, s)
for port in switch.findall('port'):
port_urn = port.get('urn')
port = 'port:' + port_urn.split('port:')[-1]
swmap[urn]['options'][port] = "switch:* port:*"
links = network.findall('links')[0]
for link in links.findall('link'):
# convert:
# <link
# src_urn="urn:publicid:IDN+openflow:stanford+switch:0+port:0
# dst_urn="urn:publicid:IDN+openflow:stanford+switch:1+port:0
# />
_,domain,src_switch,src_port = link.get('src_urn').split('+')
_,_,dst_switch,dst_port = link.get('dst_urn').split('+')
switch_urn = "urn:publicid:IDN+" + domain + "+" + src_switch
swmap[switch_urn]['options'][src_port] = dst_switch + " " + dst_port
#sw_ports = swmap[switch_urn]['misc'].setdefault('ports', {})
#sw_ports[src_port] = dst_switch + " " + dst_port
#swmap[switch_urn]['options'][src_port] = "from=%s, to=%s" % (src_port.split(":")[-1], src_port.split(":")[-1])
return ospec
def make_skeleton_of_ospec(ospec):
''' Add resources for the client to reserve.
Hacking it in here because Expedient assumes the caller will add them
themselves.
'''
# setup a resource for fv_account
user = OmniResource("sliceinfo","Slice information for FlowVisor Access",'user')
# goes in <user>
user['options']['firstname'] = 'John'
user['options']['lastname'] = 'Doe'
user['options']['email'] = '*****@*****.**'
user['options']['fv_password'] = '******'
# goes in <project>
user['options']['project_name'] = 'Stanford Networking Group'
user['options']['project_description'] = 'Internet performance research to ...'
# goes in <slice>
user['options']['slice_name'] = 'Crazy Load Balancing Experiment'
user['options']['slice_description'] = 'Does crazy load balancing and plate spinning'
user['options']['controller_url'] = 'tcp:unknown:6633'
user_urn = 'urn:publicid:IDN+openflow:stanford+user+' + user.get_name()
ospec.add_resource(user_urn, user)
return ospec
def add_options(ospec, root):
onode = OmniResource("RandomNode",
"Let Protogeni select available nodes for you",
"RandomPC")
misc = onode['misc']
free = 0
used = 0
for res in root.findall(pg_tag('node')):
if res.find(pg_tag('disk_image')) is None:
continue
if res.find(pg_tag('available')).text.lower() == 'false':
used += 1
else:
free += 1
misc['free nodes'] = free
misc['used nodes'] = used
options = onode['options']
options['startup command'] = '/bin/ls > /dev/null'
options['virtual'] = True
options['number'] = 1
options['os'] = 'FEDORA10-STD'
ospec.add_resource('RandomNode', onode)
