--- /dev/null
+#! /usr/bin/env python
+
+import sys
+from lxml import etree
+from StringIO import StringIO
+from optparse import OptionParser
+
+class RSpec:
+ def __init__(self, xml):
+ parser = etree.XMLParser(remove_blank_text=True)
+ tree = etree.parse(StringIO(xml), parser)
+ self.rspec = tree.getroot()
+
+ def get_node_element(self, hostname):
+ names = self.rspec.iterfind("./network/site/node/hostname")
+ for name in names:
+ if name.text == hostname:
+ return name.getparent()
+ return None
+
+ def get_node_list(self):
+ result = self.rspec.xpath("./network/site/node/hostname/text()")
+ return result
+
+ def get_sliver_list(self):
+ result = self.rspec.xpath("./network/site/node[sliver]/hostname/text()")
+ return result
+
+ def add_sliver(self, hostname):
+ node = self.get_node_element(hostname)
+ etree.SubElement(node, "sliver")
+
+ def remove_sliver(self, hostname):
+ node = self.get_node_element(hostname)
+ node.remove(node.find("sliver"))
+
+ def attributes_list(self, elem):
+ opts = []
+ if elem is not None:
+ for e in elem:
+ opts.append((e.tag, e.text))
+ return opts
+
+ def get_default_sliver_attributes(self):
+ defaults = self.rspec.find(".//sliver_defaults")
+ return self.attributes_list(defaults)
+
+ def get_sliver_attributes(self, hostname):
+ node = self.get_node_element(hostname)
+ sliver = node.find("sliver")
+ return self.attributes_list(sliver)
+
+ def add_attribute(self, elem, name, value):
+ opt = etree.SubElement(elem, name)
+ opt.text = value
+
+ def add_default_sliver_attribute(self, name, value):
+ defaults = self.rspec.find(".//sliver_defaults")
+ self.add_attribute(defaults, name, value)
+
+ def add_sliver_attribute(self, hostname, name, value):
+ node = self.get_node_element(hostname)
+ sliver = node.find("sliver")
+ self.add_attribute(sliver, name, value)
+
+ def remove_attribute(self, elem, name, value):
+ if elem is not None:
+ opts = elem.iterfind(name)
+ if opts is not None:
+ for opt in opts:
+ if opt.text == value:
+ elem.remove(opt)
+
+ def remove_default_sliver_attribute(self, name, value):
+ defaults = self.rspec.find(".//sliver_defaults")
+ self.remove_attribute(defaults, name, value)
+
+ def remove_sliver_attribute(self, hostname, name, value):
+ node = self.get_node_element(hostname)
+ sliver = node.find("sliver")
+ self.remove_attribute(sliver, name, value)
+
+ def get_site_nodes(self, siteid):
+ query = './/site[@id="%s"]/node/hostname/text()' % siteid
+ result = self.rspec.xpath(query)
+ return result
+
+ def get_link_list(self):
+ linklist = []
+ links = self.rspec.iterfind(".//link")
+ for link in links:
+ (end1, end2) = link.get("endpoints").split()
+ name = link.find("description")
+ linklist.append((name.text,
+ self.get_site_nodes(end1),
+ self.get_site_nodes(end2)))
+ return linklist
+
+ def get_vlink_list(self):
+ vlinklist = []
+ vlinks = self.rspec.iterfind(".//vlink")
+ for vlink in vlinks:
+ endpoints = vlink.get("endpoints")
+ (end1, end2) = endpoints.split()
+ query = './/node[@id="%s"]/hostname/text()'
+ node1 = self.rspec.xpath(query % end1)[0]
+ node2 = self.rspec.xpath(query % end2)[0]
+ desc = "%s <--> %s" % (node1, node2)
+ kbps = vlink.find("kbps")
+ vlinklist.append((endpoints, desc, kbps.text))
+ return vlinklist
+
+ def query_links(self, fromnode, tonode):
+ fromsite = fromnode.getparent()
+ tosite = tonode.getparent()
+ fromid = fromsite.get("id")
+ toid = tosite.get("id")
+
+ query = ".//link[@endpoints = '%s %s']" % (fromid, toid)
+ results = self.rspec.xpath(query)
+ if results == None:
+ query = ".//link[@endpoints = '%s %s']" % (toid, fromid)
+ results = self.rspec.xpath(query)
+ return results
+
+ def query_vlinks(self, endpoints):
+ query = ".//vlink[@endpoints = '%s']" % endpoints
+ results = self.rspec.xpath(query)
+ return results
+
+
+ def add_vlink(self, fromhost, tohost, kbps):
+ fromnode = self.get_node_element(fromhost)
+ tonode = self.get_node_element(tohost)
+ links = self.query_links(fromnode, tonode)
+
+ for link in links:
+ vlink = etree.SubElement(link, "vlink")
+ fromid = fromnode.get("id")
+ toid = tonode.get("id")
+ vlink.set("endpoints", "%s %s" % (fromid, toid))
+ self.add_attribute(vlink, "kbps", kbps)
+
+
+ def remove_vlink(self, endpoints):
+ vlinks = self.query_vlinks(endpoints)
+ for vlink in vlinks:
+ vlink.getparent().remove(vlink)
+
+ def toxml(self):
+ return etree.tostring(self.rspec, pretty_print=True,
+ xml_declaration=True)
+
+ def __str__(self):
+ return self.toxml()
+
+ def save(self, filename):
+ f = open(filename, "w")
+ f.write(self.toxml())
+ f.close()
+
+
+class Commands:
+ def __init__(self, usage, description, epilog=None):
+ self.parser = OptionParser(usage=usage, description=description,
+ epilog=epilog)
+ self.parser.add_option("-i", "", dest="infile", metavar="FILE",
+ help="read RSpec from FILE (default is stdin)")
+ self.parser.add_option("-o", "", dest="outfile", metavar="FILE",
+ help="write output to FILE (default is stdout)")
+ self.nodefile = False
+ self.attributes = {}
+
+ def add_nodefile_option(self):
+ self.nodefile = True
+ self.parser.add_option("-n", "", dest="nodefile",
+ metavar="FILE",
+ help="read node list from FILE"),
+
+ def add_show_attributes_option(self):
+ self.parser.add_option("-s", "--show-attributes", action="store_true",
+ dest="showatt", default=False,
+ help="show sliver attributes")
+
+ def add_attribute_options(self):
+ self.parser.add_option("", "--capabilities", action="append",
+ metavar="<cap1,cap2,...>",
+ help="Vserver bcapabilities")
+ self.parser.add_option("", "--codemux", action="append",
+ metavar="<host,local-port>",
+ help="Demux HTTP between slices using " +
+ "localhost ports")
+ self.parser.add_option("", "--cpu-pct", action="append",
+ metavar="<num>",
+ help="Reserved CPU percent (e.g., 25)")
+ self.parser.add_option("", "--cpu-share", action="append",
+ metavar="<num>",
+ help="Number of CPU shares (e.g., 5)")
+ self.parser.add_option("", "--delegations",
+ metavar="<slice1,slice2,...>", action="append",
+ help="List of slices with delegation authority")
+ self.parser.add_option("", "--disk-max",
+ metavar="<num>", action="append",
+ help="Disk quota (1k disk blocks)")
+ self.parser.add_option("", "--initscript",
+ metavar="<name>", action="append",
+ help="Slice initialization script (e.g., stork)")
+ self.parser.add_option("", "--ip-addresses", action="append",
+ metavar="<IP addr>",
+ help="Add an IP address to a sliver")
+ self.parser.add_option("", "--net-i2-max-kbyte",
+ metavar="<KBytes>", action="append",
+ help="Maximum daily network Tx limit " +
+ "to I2 hosts.")
+ self.parser.add_option("", "--net-i2-max-rate",
+ metavar="<Kbps>", action="append",
+ help="Maximum bandwidth over I2 routes")
+ self.parser.add_option("", "--net-i2-min-rate",
+ metavar="<Kbps>", action="append",
+ help="Minimum bandwidth over I2 routes")
+ self.parser.add_option("", "--net-i2-share",
+ metavar="<num>", action="append",
+ help="Number of bandwidth shares over I2 routes")
+ self.parser.add_option("", "--net-i2-thresh-kbyte",
+ metavar="<KBytes>", action="append",
+ help="Limit sent to I2 hosts before warning, " +
+ "throttling")
+ self.parser.add_option("", "--net-max-kbyte",
+ metavar="<KBytes>", action="append",
+ help="Maximum daily network Tx limit " +
+ "to non-I2 hosts.")
+ self.parser.add_option("", "--net-max-rate",
+ metavar="<Kbps>", action="append",
+ help="Maximum bandwidth over non-I2 routes")
+ self.parser.add_option("", "--net-min-rate",
+ metavar="<Kbps>", action="append",
+ help="Minimum bandwidth over non-I2 routes")
+ self.parser.add_option("", "--net-share",
+ metavar="<num>", action="append",
+ help="Number of bandwidth shares over non-I2 " +
+ "routes")
+ self.parser.add_option("", "--net-thresh-kbyte",
+ metavar="<KBytes>", action="append",
+ help="Limit sent to non-I2 hosts before " +
+ "warning, throttling")
+ self.parser.add_option("", "--vsys",
+ metavar="<name>", action="append",
+ help="Vsys script (e.g., fd_fusemount)")
+ self.parser.add_option("", "--vsys-vnet",
+ metavar="<IP network>", action="append",
+ help="Allocate a virtual private network")
+
+ def get_attribute_dict(self):
+ attrlist = ['capabilities','codemux','cpu_pct','cpu_share',
+ 'delegations','disk_max','initscript','ip_addresses',
+ 'net_i2_max_kbyte','net_i2_max_rate','net_i2_min_rate',
+ 'net_i2_share','net_i2_thresh_kbyte',
+ 'net_max_kbyte','net_max_rate','net_min_rate',
+ 'net_share','net_thresh_kbyte',
+ 'vsys','vsys_vnet']
+ attrdict = {}
+ for attr in attrlist:
+ value = getattr(self.opts, attr, None)
+ if value is not None:
+ attrdict[attr] = value
+ return attrdict
+
+ def prep(self):
+ (self.opts, self.args) = self.parser.parse_args()
+
+ if self.opts.infile:
+ sys.stdin = open(self.opts.infile, "r")
+ xml = sys.stdin.read()
+ self.rspec = RSpec(xml)
+
+ if self.nodefile:
+ if self.opts.nodefile:
+ f = open(self.opts.nodefile, "r")
+ self.nodes = f.read().split()
+ f.close()
+ else:
+ self.nodes = self.args
+
+ if self.opts.outfile:
+ sys.stdout = open(self.opts.outfile, "w")
+
+
+
+
+
+
+
git://git.onelab.eu / sfa.git / blobdiff