1 | #!/usr/local/bin/python |
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2 | |
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3 | import re |
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4 | import xml.parsers.expat |
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5 | from xml.sax.saxutils import escape |
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6 | from base64 import b64encode |
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7 | from string import join |
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8 | |
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9 | from fedid import fedid as fedid_class |
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10 | |
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11 | class base: |
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12 | @staticmethod |
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13 | def init_class(c, arg): |
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14 | if isinstance(arg, dict): |
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15 | try: |
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16 | return c(**arg) |
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17 | except: |
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18 | print "%s" % arg |
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19 | raise |
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20 | elif isinstance(arg, c): |
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21 | return arg |
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22 | else: |
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23 | return None |
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24 | |
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25 | @staticmethod |
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26 | def make_list(a): |
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27 | if isinstance(a, basestring) or isinstance(a, dict): return [ a ] |
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28 | elif getattr(a, '__iter__', None): return a |
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29 | else: return [ a ] |
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30 | |
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31 | @staticmethod |
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32 | def init_string(s): |
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33 | """ |
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34 | Force a string coercion for everything but a None. |
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35 | """ |
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36 | if s is not None: return "%s" % s |
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37 | else: return None |
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38 | |
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39 | def remove_attribute(self, key): |
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40 | to_del = None |
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41 | attrs = getattr(self, 'attribute', []) |
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42 | for i, a in enumerate(attrs): |
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43 | if a.attribute == key: |
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44 | to_del = i |
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45 | break |
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46 | |
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47 | if to_del: del attrs[i] |
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48 | |
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49 | def get_attribute(self, key): |
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50 | rv = None |
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51 | attrs = getattr(self, 'attribute', None) |
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52 | if attrs: |
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53 | for a in attrs: |
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54 | if a.attribute == key: |
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55 | rv = a.value |
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56 | break |
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57 | return rv |
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58 | |
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59 | def set_attribute(self, key, value): |
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60 | attrs = getattr(self, 'attribute', None) |
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61 | if attrs is None: |
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62 | return |
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63 | for a in attrs: |
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64 | if a.attribute == key: |
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65 | a.value = value |
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66 | break |
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67 | else: |
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68 | attrs.append(Attribute(key, value)) |
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69 | |
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70 | class ConsistencyError(RuntimeError): pass |
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71 | class NamespaceError(RuntimeError): pass |
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72 | |
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73 | class Attribute(base): |
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74 | def __init__(self, attribute, value): |
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75 | self.attribute = self.init_string(attribute) |
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76 | self.value = self.init_string(value) |
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77 | |
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78 | def clone(self): |
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79 | return Attribute(attribute=self.attribute, value=self.value) |
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80 | |
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81 | def to_dict(self): |
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82 | return { 'attribute': self.attribute, 'value': self.value } |
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83 | def to_xml(self): |
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84 | return "<attribute>%s</attribute><value>%s</value>" % \ |
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85 | (escape(self.attribute), escape(self.value)) |
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86 | |
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87 | class Capacity(base): |
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88 | def __init__(self, rate, kind): |
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89 | self.rate = float(rate) |
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90 | self.kind = self.init_string(kind) |
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91 | |
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92 | def clone(self): |
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93 | return Capacity(rate=self.rate, kind=self.kind) |
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94 | |
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95 | def to_dict(self): |
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96 | return { 'rate': float(self.rate), 'kind': self.kind } |
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97 | |
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98 | def to_xml(self): |
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99 | return "<rate>%f</rate><kind>%s</kind>" % (self.rate, self.kind) |
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100 | |
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101 | class Latency(base): |
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102 | def __init__(self, time, kind): |
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103 | self.time = float(time) |
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104 | self.kind = self.init_string(kind) |
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105 | |
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106 | def clone(self): |
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107 | return Latency(time=self.time, kind=self.kind) |
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108 | |
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109 | def to_dict(self): |
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110 | return { 'time': float(self.time), 'kind': self.kind } |
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111 | |
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112 | def to_xml(self): |
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113 | return "<time>%f</time><kind>%s</kind>" % (self.time, self.kind) |
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114 | |
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115 | class ServiceParam(base): |
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116 | def __init__(self, name, type): |
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117 | self.name = self.init_string(name) |
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118 | self.type = self.init_string(type) |
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119 | |
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120 | def clone(self): |
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121 | return ServiceParam(self.name. self.type) |
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122 | |
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123 | def to_dict(self): |
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124 | return { 'name': name, 'type': type } |
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125 | |
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126 | def to_xml(self): |
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127 | return "<name>%s</name><type>%s</type>" % (self.name, self.type) |
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128 | |
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129 | class Service(base): |
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130 | def __init__(self, name, importer=[], param=[], description=None, |
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131 | status=None): |
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132 | self.name = self.init_string(name) |
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133 | self.importer = [self.init_string(i) \ |
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134 | for i in self.make_list(importer)] |
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135 | self.param = [ self.init_class(ServiceParam, p) \ |
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136 | for p in self.make_list(param) ] |
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137 | self.description = self.init_string(description) |
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138 | self.status = self.init_string(status) |
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139 | |
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140 | def clone(self): |
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141 | return Service( |
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142 | name=self.name, |
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143 | importer=[ i for i in self.importer], |
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144 | param=[p.clone() for p in self.param], |
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145 | description=self.description, |
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146 | status=self.status) |
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147 | |
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148 | def to_dict(self): |
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149 | rv = { } |
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150 | if self.name is not None: |
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151 | rv['name'] = self.name |
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152 | if self.importer: |
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153 | rv['importer'] = [ i for i in self.importer ] |
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154 | if self.param: |
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155 | rv['param'] = [ p.to_dict() for p in self.param ] |
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156 | if self.description is not None: |
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157 | rv['description'] = self.description |
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158 | if self.status is not None: |
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159 | rv['status'] = self.status |
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160 | return rv |
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161 | |
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162 | def to_xml(self): |
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163 | rv = '' |
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164 | if self.name is not None: |
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165 | rv += '<name>%s</name>' % self.name |
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166 | if self.importer: |
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167 | rv += join(['<importer>%s</importer>' % i \ |
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168 | for i in self.importer],'') |
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169 | if self.param: |
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170 | rv += join(['<param>%s</param>' % p.to_xml() \ |
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171 | for p in self.param], '') |
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172 | if self.description is not None: |
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173 | rv += '<description>%s</description>' % self.description |
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174 | if self.status is not None: |
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175 | rv += '<status>%s</status>' % self.status |
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176 | return rv |
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177 | |
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178 | class Substrate(base): |
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179 | def __init__(self, name, capacity=None, latency=None, attribute=[], |
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180 | localname=[], status=None, service=[], operation=[]): |
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181 | self.name = self.init_string(name) |
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182 | self.capacity = self.init_class(Capacity, capacity) |
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183 | self.latency = self.init_class(Latency, latency) |
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184 | self.attribute = [ self.init_class(Attribute, a) \ |
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185 | for a in self.make_list(attribute) ] |
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186 | self.localname = [ self.init_string(ln)\ |
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187 | for ln in self.make_list(localname) ] |
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188 | self.status = self.init_string(status) |
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189 | self.service = [ self.init_class(Service, s) \ |
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190 | for s in self.make_list(service)] |
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191 | self.operation = [self.init_string(op) \ |
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192 | for op in self.make_list(operation)] |
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193 | self.interfaces = [ ] |
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194 | |
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195 | def clone(self): |
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196 | if self.capacity: c = self.capacity.clone() |
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197 | else: c = None |
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198 | |
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199 | if self.latency: l = self.latency.clone() |
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200 | else: l = None |
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201 | |
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202 | return Substrate(name=self.name, |
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203 | capacity=c, |
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204 | latency=l, |
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205 | attribute = [a.clone() for a in self.attribute], |
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206 | localname = [ ln for ln in self.localname], |
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207 | status = self.status, |
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208 | service = [ s.clone() for s in self.service], |
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209 | operation=[ op for op in self.operation]) |
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210 | |
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211 | def to_dict(self): |
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212 | rv = { 'name': self.name } |
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213 | if self.capacity: |
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214 | rv['capacity'] = self.capacity.to_dict() |
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215 | if self.latency: |
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216 | rv['latency'] = self.latency.to_dict() |
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217 | if self.attribute: |
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218 | rv['attribute'] = [ a.to_dict() for a in self.attribute ] |
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219 | if self.localname: |
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220 | rv['localname'] = [ ln for ln in self.localname ] |
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221 | if self.status: |
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222 | rv['status'] = self.status |
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223 | if self.service: |
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224 | rv['service'] = [s.to_dict() for s in self.service] |
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225 | if self.operation: |
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226 | rv['operation'] = [op for op in self.operation] |
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227 | return rv |
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228 | |
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229 | def to_xml(self): |
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230 | rv = "<name>%s</name>" % escape(self.name) |
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231 | if self.capacity is not None: |
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232 | rv += "<capacity>%s</capacity>" % self.capacity.to_xml() |
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233 | if self.latency is not None: |
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234 | rv += "<latency>%s</latency>" % self.latency.to_xml() |
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235 | |
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236 | if self.attribute: |
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237 | rv += join(["<attribute>%s</attribute>" % a.to_xml() \ |
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238 | for a in self.attribute], "") |
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239 | if self.localname: |
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240 | rv += join(['<localname>%s</localname>' % ln \ |
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241 | for ln in self.localname], '') |
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242 | if self.status is not None: |
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243 | rv += '<status>%s</status>' % self.status |
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244 | if self.service: |
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245 | rv += join(['<service>%s</service' % s.to_xml() \ |
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246 | for s in self.service], '') |
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247 | if self.operation: |
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248 | rv += join(['<operation>%s</operation>' % op \ |
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249 | for op in self.operation], '') |
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250 | return rv |
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251 | |
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252 | def __getstate__(self): |
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253 | d = self.__dict__.copy() |
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254 | del d['interfaces'] |
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255 | return d |
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256 | |
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257 | def __setstate__(self, d): |
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258 | # Import everything from the pickle dict (except what we excluded in |
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259 | # __getstate__) |
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260 | self.__dict__.update(d) |
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261 | self.interfaces = [] |
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262 | |
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263 | class CPU(base): |
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264 | def __init__(self, type, attribute=[]): |
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265 | self.type = self.init_string(type) |
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266 | self.attribute = [ self.init_class(Attribute, a) for a in \ |
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267 | self.make_list(attribute) ] |
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268 | |
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269 | def clone(self): |
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270 | return CPU(type=self.type, |
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271 | attribute = [a.clone() for a in self.attribute]) |
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272 | |
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273 | def to_dict(self): |
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274 | rv = { 'type': self.type} |
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275 | if self.attribute: |
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276 | rv['attribute'] = [ a.to_dict() for a in self.attribute ] |
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277 | return rv |
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278 | |
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279 | def to_xml(self): |
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280 | rv = "<type>%s</type>" % escape(self.type) |
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281 | if self.attribute: |
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282 | rv += join(["<attribute>%s</attribute>" % a.to_xml() \ |
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283 | for a in self.attribute], "") |
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284 | return rv |
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285 | |
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286 | |
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287 | class Storage(base): |
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288 | def __init__(self, amount, persistence, attribute=[]): |
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289 | self.amount = float(amount) |
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290 | self.presistence = self.init_string(persistence) |
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291 | self.attribute = [ self.init_class(Attribute, a) \ |
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292 | for a in self.make_list(attribute) ] |
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293 | |
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294 | def clone(self): |
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295 | return Storage(amount=self.amount, persistence=self.persistence, |
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296 | attribute = [a.clone() for a in self.attribute]) |
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297 | |
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298 | def to_dict(self): |
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299 | rv = { 'amount': float(self.amount), 'persistence': self.persistence } |
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300 | if self.attribute: |
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301 | rv['attribute'] = [ a.to_dict() for a in self.attribute ] |
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302 | return rv |
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303 | |
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304 | def to_xml(self): |
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305 | rv = "<amount>%f</amount><persistence>%s</persistence>" % \ |
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306 | (self.amount, escape(self.persistence)) |
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307 | if self.attribute: |
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308 | rv += join(["<attribute>%s</attribute>" % a.to_xml() \ |
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309 | for a in self.attribute], "") |
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310 | return rv |
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311 | |
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312 | |
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313 | class OperatingSystem(base): |
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314 | def __init__(self, name=None, version=None, distribution=None, |
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315 | distributionversion=None, attribute=[]): |
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316 | self.name = self.init_string(name) |
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317 | self.version = self.init_string(version) |
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318 | self.distribution = self.init_string(distribution) |
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319 | self.distributionversion = self.init_string(distributionversion) |
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320 | self.attribute = [ self.init_class(Attribute, a) \ |
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321 | for a in self.make_list(attribute) ] |
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322 | |
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323 | def clone(self): |
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324 | return OperatingSystem(name=self.name, |
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325 | version=self.version, |
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326 | distribution=self.distribution, |
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327 | distributionversion=self.distributionversion, |
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328 | attribute = [ a.clone() for a in self.attribute]) |
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329 | |
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330 | def to_dict(self): |
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331 | rv = { } |
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332 | if self.name: rv['name'] = self.name |
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333 | if self.version: rv['version'] = self.version |
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334 | if self.distribution: rv['distribution'] = self.distribution |
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335 | if self.distributionversion: |
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336 | rv['distributionversion'] = self.distributionversion |
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337 | if self.attribute: |
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338 | rv['attribute'] = [ a.to_dict() for a in self.attribute ] |
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339 | return rv |
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340 | |
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341 | def to_xml(self): |
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342 | rv = "" |
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343 | if self.name: rv += "<name>%s</name>" % escape(self.name) |
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344 | if self.version: rv += "<version>%s</version>" % escape(self.version) |
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345 | if self.distribution: |
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346 | rv += "<distribution>%s</distribution>" % escape(self.distribution) |
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347 | if self.distributionversion: |
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348 | rv += "<distributionversion>%s</distributionversion>" % \ |
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349 | escape(self.distributionversion) |
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350 | |
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351 | if self.attribute: |
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352 | rv += join(["<attribute>%s</attribute>" % a.to_xml() \ |
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353 | for a in self.attribute], "") |
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354 | return rv |
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355 | |
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356 | |
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357 | class Software(base): |
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358 | def __init__(self, location, install=None, attribute=[]): |
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359 | self.location = self.init_string(location) |
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360 | self.install = self.init_string(install) |
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361 | self.attribute = [ self.init_class(Attribute, a)\ |
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362 | for a in self.make_list(attribute) ] |
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363 | |
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364 | def clone(self): |
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365 | return Software(location=self.location, install=self.install, |
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366 | attribute=[a.clone() for a in self.attribute]) |
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367 | |
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368 | def to_dict(self): |
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369 | rv = { 'location': self.location } |
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370 | if self.install: rv['install'] = self.install |
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371 | if self.attribute: |
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372 | rv['attribute'] = [ a.to_dict() for a in self.attribute ] |
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373 | return rv |
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374 | |
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375 | def to_xml(self): |
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376 | rv = "<location>%s</location>" % escape(self.location) |
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377 | if self.install: rv += "<install>%s</install>" % self.install |
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378 | if self.attribute: |
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379 | rv += join(["<attribute>%s</attribute>" % a.to_xml() \ |
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380 | for a in self.attribute], "") |
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381 | return rv |
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382 | |
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383 | |
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384 | class Interface(base): |
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385 | def __init__(self, substrate, name=None, capacity=None, latency=None, |
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386 | attribute=[], element=None): |
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387 | self.name = self.init_string(name) |
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388 | |
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389 | self.substrate = self.make_list(substrate) |
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390 | self.capacity = self.init_class(Capacity, capacity) |
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391 | self.latency = self.init_class(Latency, latency) |
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392 | self.attribute = [ self.init_class(Attribute, a) \ |
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393 | for a in self.make_list(attribute) ] |
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394 | self.element = element |
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395 | self.subs = [ ] |
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396 | |
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397 | def clone(self): |
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398 | if self.capacity: c = self.capacity.clone() |
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399 | else: c = None |
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400 | |
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401 | if self.latency: l = self.latency.clone() |
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402 | else: l = None |
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403 | |
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404 | return Interface(substrate=[s for s in self.substrate], name=self.name, |
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405 | capacity=c, latency=l, |
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406 | attribute = [ a.clone() for a in self.attribute]) |
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407 | |
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408 | def to_dict(self): |
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409 | rv = { 'substrate': self.substrate, 'name': self.name } |
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410 | if self.capacity: |
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411 | rv['capacity'] = self.capacity.to_dict() |
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412 | if self.latency: |
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413 | rv['latency'] = self.latency.to_dict() |
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414 | if self.attribute: |
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415 | rv['attribute'] = [ a.to_dict() for a in self.attribute ] |
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416 | return rv |
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417 | |
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418 | def to_xml(self): |
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419 | rv = join(["<substrate>%s</substrate>" % escape(s) \ |
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420 | for s in self.substrate], "") |
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421 | rv += "<name>%s</name>" % self.name |
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422 | if self.capacity: |
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423 | rv += "<capacity>%s</capacity>" % self.capacity.to_xml() |
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424 | if self.latency: |
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425 | rv += "<latency>%s</latency>" % self.latency.to_xml() |
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426 | if self.attribute: |
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427 | rv += join(["<attribute>%s</attribute>" % a.to_xml() \ |
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428 | for a in self.attribute], "") |
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429 | return rv |
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430 | |
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431 | def __getstate__(self): |
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432 | d = self.__dict__.copy() |
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433 | del d['subs'] |
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434 | return d |
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435 | |
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436 | def __setstate__(self, d): |
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437 | # Import everything from the pickle dict (except what we excluded in |
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438 | # __getstate__) |
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439 | self.__dict__.update(d) |
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440 | self.subs = [] |
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441 | |
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442 | |
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443 | class ID(base): |
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444 | def __init__(self, fedid=None, uuid=None, uri=None, localname=None, |
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445 | kerberosUsername=None): |
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446 | self.fedid=fedid_class(hexstr="%s" % fedid) |
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447 | self.uuid = self.init_string(uuid) |
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448 | self.uri = self.init_string(uri) |
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449 | self.localname =self.init_string( localname) |
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450 | self.kerberosUsername = self.init_string(kerberosUsername) |
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451 | |
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452 | def clone(self): |
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453 | return ID(self.fedid, self.uuid, self.uri, self.localname, |
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454 | self.kerberosUsername) |
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455 | |
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456 | def to_dict(self): |
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457 | rv = { } |
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458 | if self.fedid: rv['fedid'] = self.fedid |
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459 | if self.uuid: rv['uuid'] = self.uuid |
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460 | if self.uri: rv['uri'] = self.uri |
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461 | if self.localname: rv['localname'] = self.localname |
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462 | if self.kerberosUsername: rv['kerberosUsername'] = self.kerberosUsername |
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463 | return rv |
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464 | |
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465 | def to_xml(self): |
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466 | if self.uuid: rv = "<uuid>%s</uuid>" % b64encode(self.uuid) |
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467 | elif self.fedid: rv = "<fedid>%s</fedid>" % \ |
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468 | b64encode(self.fedid.get_bits()) |
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469 | elif self.uri: rv = "<uri>%s</uri>" % escape(self.uri) |
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470 | elif self.localname: |
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471 | rv = "<localname>%s</localname>" % escape(self.localname) |
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472 | elif self.kerberosUsername: |
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473 | rv = "<kerberosUsername>%s</kerberosUsername>" % \ |
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474 | escape(self.kerberosUsername) |
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475 | return rv |
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476 | |
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477 | class Computer(base): |
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478 | def __init__(self, name, cpu=[], os=[], software=[], storage=[], |
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479 | interface=[], attribute=[], localname=[], status=None, service=[], |
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480 | operation=[]): |
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481 | def assign_element(i): |
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482 | i.element = self |
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483 | |
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484 | self.name = self.init_string(name) |
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485 | self.cpu = [ self.init_class(CPU, c) for c in self.make_list(cpu) ] |
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486 | self.os = [ self.init_class(OperatingSystem, c) \ |
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487 | for c in self.make_list(os) ] |
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488 | self.software = [ self.init_class(Software, c) \ |
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489 | for c in self.make_list(software) ] |
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490 | self.storage = [ self.init_class(Storage, c) \ |
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491 | for c in self.make_list(storage) ] |
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492 | self.interface = [ self.init_class(Interface, c) \ |
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493 | for c in self.make_list(interface) ] |
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494 | self.attribute = [ self.init_class(Attribute, a) \ |
---|
495 | for a in self.make_list(attribute) ] |
---|
496 | self.localname = [ self.init_string(ln)\ |
---|
497 | for ln in self.make_list(localname) ] |
---|
498 | self.status = self.init_string(status) |
---|
499 | self.service = [ self.init_class(Service, s) \ |
---|
500 | for s in self.make_list(service)] |
---|
501 | self.operation = [self.init_string(op) \ |
---|
502 | for op in self.make_list(operation)] |
---|
503 | map(assign_element, self.interface) |
---|
504 | |
---|
505 | def clone(self): |
---|
506 | # Copy the list of names |
---|
507 | return Computer(name=self.name, |
---|
508 | cpu=[x.clone() for x in self.cpu], |
---|
509 | os=[x.clone() for x in self.os], |
---|
510 | software=[x.clone() for x in self.software], |
---|
511 | storage=[x.clone() for x in self.storage], |
---|
512 | interface=[x.clone() for x in self.interface], |
---|
513 | attribute=[x.clone() for x in self.attribute], |
---|
514 | localname =[ ln for ln in self.localname], |
---|
515 | status = self.status, |
---|
516 | service = [s.clone() for s in self.service], |
---|
517 | operation = [op for op in self.operation]) |
---|
518 | |
---|
519 | def to_dict(self): |
---|
520 | rv = { } |
---|
521 | if self.name: |
---|
522 | rv['name'] = self.name |
---|
523 | if self.cpu: |
---|
524 | rv['cpu'] = [ c.to_dict() for c in self.cpu ] |
---|
525 | if self.os: |
---|
526 | rv['os'] = [ o.to_dict() for o in self.os ] |
---|
527 | if self.software: |
---|
528 | rv['software'] = [ s.to_dict() for s in self.software ] |
---|
529 | if self.storage: |
---|
530 | rv['storage'] = [ s.to_dict for s in self.storage ] |
---|
531 | if self.interface: |
---|
532 | rv['interface'] = [ i.to_dict() for i in self.interface ] |
---|
533 | if self.attribute: |
---|
534 | rv['attribute'] = [ i.to_dict() for i in self.attribute ] |
---|
535 | if self.localname: |
---|
536 | rv['localname'] = [ ln for ln in self.localname ] |
---|
537 | if self.status: |
---|
538 | rv['status'] = self.status |
---|
539 | if self.service: |
---|
540 | rv['service'] = [s.to_dict() for s in self.service] |
---|
541 | if self.operation: |
---|
542 | rv['operation'] = [op for op in self.operation] |
---|
543 | return { 'computer': rv } |
---|
544 | |
---|
545 | def to_xml(self): |
---|
546 | rv = "<name>%s</name>" % escape(self.name) |
---|
547 | if self.cpu: |
---|
548 | rv += join(["<cpu>%s</cpu>" % c.to_xml() for c in self.cpu], "") |
---|
549 | if self.os: |
---|
550 | rv += join(["<os>%s</os>" % o.to_xml() for o in self.os], "") |
---|
551 | if self.software: |
---|
552 | rv += join(["<software>%s</software>" % s.to_xml() \ |
---|
553 | for s in self.software], "") |
---|
554 | if self.storage: |
---|
555 | rv += join(["<stroage>%s</stroage>" % s.to_xml() \ |
---|
556 | for s in self.stroage], "") |
---|
557 | if self.interface: |
---|
558 | rv += join(["<interface>%s</interface>" % i.to_xml() |
---|
559 | for i in self.interface], "") |
---|
560 | if self.attribute: |
---|
561 | rv += join(["<attribute>%s</attribute>" % a.to_xml() \ |
---|
562 | for a in self.attribute], "") |
---|
563 | if self.localname: |
---|
564 | rv += join(['<localname>%s</localname>' % ln \ |
---|
565 | for ln in self.localname], '') |
---|
566 | if self.status is not None: |
---|
567 | rv += '<status>%s</status>' % self.status |
---|
568 | if self.service: |
---|
569 | rv += join(['<service>%s</service' % s.to_xml() \ |
---|
570 | for s in self.service], '') |
---|
571 | if self.operation: |
---|
572 | rv += join(['<operation>%s</operation>' % op \ |
---|
573 | for op in self.operation], '') |
---|
574 | return "<computer>%s</computer>" % rv |
---|
575 | |
---|
576 | |
---|
577 | |
---|
578 | class Testbed(base): |
---|
579 | def __init__(self, uri, type, interface=[], attribute=[], localname=[], |
---|
580 | status=None, service=[], operation=[]): |
---|
581 | self.uri = self.init_string(uri) |
---|
582 | self.type = self.init_string(type) |
---|
583 | self.interface = [ self.init_class(Interface, c) \ |
---|
584 | for c in self.make_list(interface) ] |
---|
585 | self.attribute = [ self.init_class(Attribute, c) \ |
---|
586 | for c in self.make_list(attribute) ] |
---|
587 | self.localname = [ self.init_string(ln)\ |
---|
588 | for ln in self.make_list(localname) ] |
---|
589 | self.status = self.init_string(status) |
---|
590 | self.service = [ self.init_class(Service, s) \ |
---|
591 | for s in self.make_list(service)] |
---|
592 | self.operation = [self.init_string(op) \ |
---|
593 | for op in self.make_list(operation)] |
---|
594 | |
---|
595 | def clone(self): |
---|
596 | return Testbed(self.uri, self.type, |
---|
597 | interface=[i.clone() for i in self.interface], |
---|
598 | attribute=[a.cone() for a in self.attribute], |
---|
599 | localname = [ ln for ln in self.localname ], |
---|
600 | status=self.status, |
---|
601 | service=[s.clone() for s in self.service ], |
---|
602 | operation = [ op for op in self.operation ]) |
---|
603 | |
---|
604 | def to_dict(self): |
---|
605 | rv = { } |
---|
606 | if self.uri: rv['uri'] = self.uri |
---|
607 | if self.type: rv['type'] = self.type |
---|
608 | if self.interface: |
---|
609 | rv['interface'] = [ i.to_dict() for i in self.interface] |
---|
610 | if self.attribute: |
---|
611 | rv['attribute'] = [ a.to_dict() for a in self.attribute] |
---|
612 | if self.localname: |
---|
613 | rv['localname'] = [ ln for ln in self.localname ] |
---|
614 | if self.status: |
---|
615 | rv['status'] = self.status |
---|
616 | if self.service: |
---|
617 | rv['service'] = [s.to_dict() for s in self.service] |
---|
618 | if self.operation: |
---|
619 | rv['operation'] = [op for op in self.operation] |
---|
620 | return { 'testbed': rv } |
---|
621 | |
---|
622 | def to_xml(self): |
---|
623 | rv = "<uri>%s</uri><type>%s</type>" % \ |
---|
624 | (escape(self.uri), escape(self.type)) |
---|
625 | if self.interface: |
---|
626 | rv += join(["<interface>%s</interface>" % i.to_xml() |
---|
627 | for i in self.interface], "") |
---|
628 | if self.attribute: |
---|
629 | rv += join(["<attribute>%s</attribute>" % a.to_xml() \ |
---|
630 | for a in self.attribute], "") |
---|
631 | if self.localname: |
---|
632 | rv += join(['<localname>%s</localname>' % ln \ |
---|
633 | for ln in self.localname], '') |
---|
634 | if self.status is not None: |
---|
635 | rv += '<status>%s</status>' % self.status |
---|
636 | if self.service: |
---|
637 | rv += join(['<service>%s</service' % s.to_xml() \ |
---|
638 | for s in self.service], '') |
---|
639 | if self.operation: |
---|
640 | rv += join(['<operation>%s</operation>' % op \ |
---|
641 | for op in self.operation], '') |
---|
642 | return "<testbed>%s</testbed>" % rv |
---|
643 | |
---|
644 | |
---|
645 | |
---|
646 | class Segment(base): |
---|
647 | def __init__(self, id, type, uri, interface=[], attribute=[]): |
---|
648 | self.id = self.init_class(ID, id) |
---|
649 | self.type = self.init_string(type) |
---|
650 | self.uri = self.init_string(uri) |
---|
651 | self.interface = [ self.init_class(Interface, c) \ |
---|
652 | for c in self.make_list(interface) ] |
---|
653 | self.attribute = [ self.init_class(Attribute, c) \ |
---|
654 | for c in self.make_list(attribute) ] |
---|
655 | |
---|
656 | def clone(self): |
---|
657 | return Segment(self.id.clone(), self.type, self.uri, |
---|
658 | interface=[i.clone() for i in self.interface], |
---|
659 | attribute=[a.clone() for a in self.attribute]) |
---|
660 | |
---|
661 | def to_dict(self): |
---|
662 | rv = { } |
---|
663 | if self.id: rv['id'] = self.id.to_dict() |
---|
664 | if self.type: rv['type'] = self.type |
---|
665 | if self.uri: rv['uri'] = self.uri |
---|
666 | if self.interface: |
---|
667 | rv['interface'] = [ i.to_dict() for i in self.interface ] |
---|
668 | if self.attribute: |
---|
669 | rv['attribute'] = [ a.to_dict() for a in self.attribute ] |
---|
670 | return { 'segment': rv } |
---|
671 | |
---|
672 | def to_xml(self): |
---|
673 | rv = "<id>%s</id><uri>%s</uri><type>%s</type>" % \ |
---|
674 | (self.id.to_xml(), escape(self.uri), escape(self.type)) |
---|
675 | if self.interface: |
---|
676 | rv += join(["<interface>%s</interface>" % i.to_xml() |
---|
677 | for i in self.interface], "") |
---|
678 | if self.attribute: |
---|
679 | rv += join(["<attribute>%s</attribute>" % a.to_xml() \ |
---|
680 | for a in self.attribute], "") |
---|
681 | return "<segment>%s</segment>" % rv |
---|
682 | |
---|
683 | class Other(base): |
---|
684 | def __init__(self, interface=[], attribute=[]): |
---|
685 | self.interface = [ self.init_class(Interface, c) \ |
---|
686 | for c in self.make_list(interface) ] |
---|
687 | self.attribute = [ self.init_class(Attribute, c) \ |
---|
688 | for c in self.make_list(attribute) ] |
---|
689 | |
---|
690 | def clone(self): |
---|
691 | return Other(interface=[i.clone() for i in self.interface], |
---|
692 | attribute=[a.clone() for a in attribute]) |
---|
693 | |
---|
694 | def to_dict(self): |
---|
695 | rv = {} |
---|
696 | if self.interface: |
---|
697 | rv['interface'] = [ i.to_dict() for i in self.interface ] |
---|
698 | if self.attribute: |
---|
699 | rv['attribute'] = [ a.to_dict() for a in self.attribute ] |
---|
700 | return {'other': rv } |
---|
701 | |
---|
702 | def to_xml(self): |
---|
703 | rv = "" |
---|
704 | if self.interface: |
---|
705 | rv += join(["<interface>%s</interface>" % i.to_xml() |
---|
706 | for i in self.interface], "") |
---|
707 | if self.attribute: |
---|
708 | rv += join(["<attribute>%s</attribute>" % a.to_xml() \ |
---|
709 | for a in self.attribute], "") |
---|
710 | return "<other>%s</other>" % rv |
---|
711 | |
---|
712 | class Topology(base): |
---|
713 | version = "1.0" |
---|
714 | @staticmethod |
---|
715 | def init_element(e): |
---|
716 | """ |
---|
717 | e should be of the form { typename: args } where args is a dict full of |
---|
718 | the right parameters to initialize the element. e should have only one |
---|
719 | key, but we walk e's keys in an arbitrary order and instantiate the |
---|
720 | first key we know how to. |
---|
721 | """ |
---|
722 | classmap = { |
---|
723 | 'computer': Computer, |
---|
724 | 'testbed': Testbed, |
---|
725 | 'segment': Segment, |
---|
726 | 'other': Other, |
---|
727 | } |
---|
728 | |
---|
729 | if isinstance(e, dict): |
---|
730 | for k in e.keys(): |
---|
731 | cl = classmap.get(k, None) |
---|
732 | if cl: return cl(**e[k]) |
---|
733 | else: |
---|
734 | return e |
---|
735 | |
---|
736 | def __init__(self, substrates=[], elements=[], attribute=[], |
---|
737 | version=None): |
---|
738 | |
---|
739 | if version is None: self.version = Topology.version |
---|
740 | else: self.version = version |
---|
741 | |
---|
742 | self.substrates = [ self.init_class(Substrate, s) \ |
---|
743 | for s in self.make_list(substrates) ] |
---|
744 | self.elements = [ self.init_element(e) \ |
---|
745 | for e in self.make_list(elements) ] |
---|
746 | self.attribute = [ self.init_class(Attribute, c) \ |
---|
747 | for c in self.make_list(attribute) ] |
---|
748 | self.incorporate_elements() |
---|
749 | |
---|
750 | @staticmethod |
---|
751 | def name_element_interfaces(e): |
---|
752 | names = set([i.name for i in e.interface if i.name]) |
---|
753 | inum = 0 |
---|
754 | for i in [ i for i in e.interface if not i.name]: |
---|
755 | while inum < 1000: |
---|
756 | n = "inf%03d" % inum |
---|
757 | inum += 1 |
---|
758 | if n not in names: |
---|
759 | i.name = n |
---|
760 | break |
---|
761 | else: |
---|
762 | raise NamespaceError("Cannot make new interface name") |
---|
763 | |
---|
764 | |
---|
765 | |
---|
766 | def name_interfaces(self): |
---|
767 | """ |
---|
768 | For any interface without a name attribute, assign a unique one within |
---|
769 | its element. |
---|
770 | """ |
---|
771 | |
---|
772 | for e in self.elements: |
---|
773 | self.name_element_interfaces(e) |
---|
774 | |
---|
775 | |
---|
776 | def incorporate_elements(self): |
---|
777 | |
---|
778 | # Could to this init in one gulp, but we want to look for duplicate |
---|
779 | # substrate names |
---|
780 | substrate_map = { } |
---|
781 | for s in self.substrates: |
---|
782 | s.interfaces = [ ] |
---|
783 | if not substrate_map.has_key(s.name): |
---|
784 | substrate_map[s.name] = s |
---|
785 | else: |
---|
786 | raise ConsistencyError("Duplicate substrate name %s" % s.name) |
---|
787 | |
---|
788 | for e in self.elements: |
---|
789 | self.name_element_interfaces(e) |
---|
790 | for i in e.interface: |
---|
791 | i.element = e |
---|
792 | i.subs = [ ] |
---|
793 | for sn in i.substrate: |
---|
794 | # NB, interfaces have substrate names in their substrate |
---|
795 | # attribute. |
---|
796 | if substrate_map.has_key(sn): |
---|
797 | sub = substrate_map[sn] |
---|
798 | i.subs.append(sub) |
---|
799 | sub.interfaces.append(i) |
---|
800 | else: |
---|
801 | raise ConsistencyError("No such substrate for %s" % sn) |
---|
802 | |
---|
803 | def clone(self): |
---|
804 | return Topology(substrates=[s.clone() for s in self.substrates], |
---|
805 | elements=[e.clone() for e in self.elements], |
---|
806 | attribute=[a.clone() for a in self.attribute], |
---|
807 | version=self.version) |
---|
808 | |
---|
809 | |
---|
810 | def make_indices(self): |
---|
811 | sub_index = dict([(s.name, s) for s in self.substrates]) |
---|
812 | elem_index = dict([(n, e) for e in self.elements for n in e.name]) |
---|
813 | |
---|
814 | def to_dict(self): |
---|
815 | rv = { } |
---|
816 | rv['version'] = self.version |
---|
817 | if self.substrates: |
---|
818 | rv['substrates'] = [ s.to_dict() for s in self.substrates ] |
---|
819 | if self.elements: |
---|
820 | rv['elements'] = [ s.to_dict() for s in self.elements ] |
---|
821 | if self.attribute: |
---|
822 | rv['attribute'] = [ s.to_dict() for s in self.attribute] |
---|
823 | return rv |
---|
824 | |
---|
825 | def to_xml(self): |
---|
826 | rv = "<version>%s</version>" % escape(self.version) |
---|
827 | if self.substrates: |
---|
828 | rv += join(["<substrates>%s</substrates>" % s.to_xml() \ |
---|
829 | for s in self.substrates], "") |
---|
830 | if self.elements: |
---|
831 | rv += join(["<elements>%s</elements>" % e.to_xml() \ |
---|
832 | for e in self.elements], "") |
---|
833 | if self.attribute: |
---|
834 | rv += join(["<attribute>%s</attribute>" % a.to_xml() \ |
---|
835 | for a in self.attribute], "") |
---|
836 | return rv |
---|
837 | |
---|
838 | def __setstate__(self, d): |
---|
839 | # Import everything from the pickle dict and call incorporate to |
---|
840 | # connect them. |
---|
841 | self.__dict__.update(d) |
---|
842 | self.incorporate_elements() |
---|
843 | |
---|
844 | |
---|
845 | def topology_from_xml(string=None, file=None, filename=None, top="topology"): |
---|
846 | class parser: |
---|
847 | def __init__(self, top): |
---|
848 | self.stack = [ ] |
---|
849 | self.chars = "" |
---|
850 | self.key = "" |
---|
851 | self.have_chars = False |
---|
852 | self.current = { } |
---|
853 | self.in_cdata = False |
---|
854 | self.in_top = False |
---|
855 | self.top = top |
---|
856 | |
---|
857 | def start_element(self, name, attrs): |
---|
858 | self.chars = "" |
---|
859 | self.have_chars = False |
---|
860 | self.key = str(name) |
---|
861 | |
---|
862 | if name == self.top: |
---|
863 | self.in_top = True |
---|
864 | |
---|
865 | if self.in_top: |
---|
866 | self.stack.append((self.current, self.key)) |
---|
867 | self.current = { } |
---|
868 | |
---|
869 | def end_element(self, name): |
---|
870 | if self.in_top: |
---|
871 | if self.have_chars: |
---|
872 | self.chars = self.chars.strip() |
---|
873 | if len(self.chars) >0: |
---|
874 | addit = self.chars |
---|
875 | else: |
---|
876 | addit = self.current |
---|
877 | else: |
---|
878 | addit = self.current |
---|
879 | |
---|
880 | parent, key = self.stack.pop() |
---|
881 | if parent.has_key(key): |
---|
882 | if isinstance(parent[key], list): |
---|
883 | parent[key].append(addit) |
---|
884 | else: |
---|
885 | parent[key] = [parent[key], addit] |
---|
886 | else: |
---|
887 | parent[key] = addit |
---|
888 | self.current = parent |
---|
889 | self.key = key |
---|
890 | |
---|
891 | self.chars = "" |
---|
892 | self.have_chars = False |
---|
893 | |
---|
894 | if name == self.top: |
---|
895 | self.in_top= False |
---|
896 | |
---|
897 | def char_data(self, data): |
---|
898 | if self.in_top: |
---|
899 | self.have_chars = True |
---|
900 | self.chars += data |
---|
901 | |
---|
902 | p = parser(top=top) |
---|
903 | xp = xml.parsers.expat.ParserCreate() |
---|
904 | |
---|
905 | xp.StartElementHandler = p.start_element |
---|
906 | xp.EndElementHandler = p.end_element |
---|
907 | xp.CharacterDataHandler = p.char_data |
---|
908 | |
---|
909 | num_set = len([ x for x in (string, filename, file)\ |
---|
910 | if x is not None ]) |
---|
911 | |
---|
912 | if num_set != 1: |
---|
913 | raise RuntimeError("Exactly one one of file, filename and string " + \ |
---|
914 | "must be set") |
---|
915 | elif filename: |
---|
916 | f = open(filename, "r") |
---|
917 | xp.ParseFile(f) |
---|
918 | f.close() |
---|
919 | elif file: |
---|
920 | xp.ParseFile(file) |
---|
921 | elif string: |
---|
922 | xp.Parse(string, True) |
---|
923 | else: |
---|
924 | return None |
---|
925 | |
---|
926 | return Topology(**p.current[top]) |
---|
927 | |
---|
928 | def topology_from_startsegment(req): |
---|
929 | """ |
---|
930 | Generate a topology from a StartSegment request to an access controller. |
---|
931 | This is a little helper to avoid some gross looking syntax. It accepts |
---|
932 | either a request enclosed in the StartSegmentRequestBody, or one with that |
---|
933 | outer dict removed. |
---|
934 | """ |
---|
935 | |
---|
936 | if 'StartSegmentRequestBody' in req: r = req['StartSegmentRequestBody'] |
---|
937 | else: r = req |
---|
938 | |
---|
939 | if 'segmentdescription' in r and \ |
---|
940 | 'topdldescription' in r['segmentdescription']: |
---|
941 | return Topology(**r['segmentdescription']['topdldescription']) |
---|
942 | else: |
---|
943 | return None |
---|
944 | |
---|
945 | def topology_to_xml(t, top=None): |
---|
946 | """ |
---|
947 | Print the topology as XML, recursively using the internal classes to_xml() |
---|
948 | methods. |
---|
949 | """ |
---|
950 | |
---|
951 | if top: return "<%s>%s</%s>" % (top, t.to_xml(), top) |
---|
952 | else: return t.to_xml() |
---|
953 | |
---|
954 | def topology_to_vtopo(t): |
---|
955 | nodes = [ ] |
---|
956 | lans = [ ] |
---|
957 | |
---|
958 | for eidx, e in enumerate(t.elements): |
---|
959 | if isinstance(e, Computer): |
---|
960 | if e.name: name = e.name |
---|
961 | else: name = "unnamed_node%d" % eidx |
---|
962 | |
---|
963 | ips = [ ] |
---|
964 | for idx, i in enumerate(e.interface): |
---|
965 | ip = i.get_attribute('ip4_address') |
---|
966 | ips.append(ip) |
---|
967 | port = "%s:%d" % (name, idx) |
---|
968 | for idx, s in enumerate(i.subs): |
---|
969 | bw = 100000 |
---|
970 | delay = 0.0 |
---|
971 | if s.capacity: |
---|
972 | bw = s.capacity.rate |
---|
973 | if i.capacity: |
---|
974 | bw = i.capacity.rate |
---|
975 | |
---|
976 | if s.latency: |
---|
977 | delay = s.latency.time |
---|
978 | if i.latency: |
---|
979 | bw = i.latency.time |
---|
980 | |
---|
981 | lans.append({ |
---|
982 | 'member': port, |
---|
983 | 'vname': s.name, |
---|
984 | 'ip': ip, |
---|
985 | 'vnode': name, |
---|
986 | 'delay': delay, |
---|
987 | 'bandwidth': bw, |
---|
988 | }) |
---|
989 | nodes.append({ |
---|
990 | 'ips': ":".join(ips), |
---|
991 | 'vname': name, |
---|
992 | }) |
---|
993 | |
---|
994 | return { 'node': nodes, 'lan': lans } |
---|
995 | |
---|
996 | def to_tcl_name(n): |
---|
997 | t = re.sub('-(\d+)', '(\\1)', n) |
---|
998 | return t |
---|
999 | |
---|
1000 | def generate_portal_command_filter(cmd, add_filter=None): |
---|
1001 | def rv(e): |
---|
1002 | s ="" |
---|
1003 | if isinstance(e, Computer): |
---|
1004 | gw = e.get_attribute('portal') |
---|
1005 | if add_filter and callable(add_filter): |
---|
1006 | add = add_filter(e) |
---|
1007 | else: |
---|
1008 | add = True |
---|
1009 | if gw and add: |
---|
1010 | s = "%s ${%s}\n" % (cmd, to_tcl_name(e.name)) |
---|
1011 | return s |
---|
1012 | return rv |
---|
1013 | |
---|
1014 | def generate_portal_image_filter(image): |
---|
1015 | def rv(e): |
---|
1016 | s ="" |
---|
1017 | if isinstance(e, Computer): |
---|
1018 | gw = e.get_attribute('portal') |
---|
1019 | if gw: |
---|
1020 | s = "tb-set-node-os ${%s} %s\n" % (to_tcl_name(e.name), image) |
---|
1021 | return s |
---|
1022 | return rv |
---|
1023 | |
---|
1024 | def generate_portal_hardware_filter(type): |
---|
1025 | def rv(e): |
---|
1026 | s ="" |
---|
1027 | if isinstance(e, Computer): |
---|
1028 | gw = e.get_attribute('portal') |
---|
1029 | if gw: |
---|
1030 | s = "tb-set-hardware ${%s} %s\n" % (to_tcl_name(e.name), type) |
---|
1031 | return s |
---|
1032 | return rv |
---|
1033 | |
---|
1034 | |
---|
1035 | def topology_to_ns2(t, filters=[], routing="Manual"): |
---|
1036 | out = """ |
---|
1037 | set ns [new Simulator] |
---|
1038 | source tb_compat.tcl |
---|
1039 | |
---|
1040 | """ |
---|
1041 | |
---|
1042 | for e in t.elements: |
---|
1043 | rpms = "" |
---|
1044 | tarfiles = "" |
---|
1045 | if isinstance(e, Computer): |
---|
1046 | name = to_tcl_name(e.name) |
---|
1047 | out += "set %s [$ns node]\n" % name |
---|
1048 | if e.os and len(e.os) == 1: |
---|
1049 | osid = e.os[0].get_attribute('osid') |
---|
1050 | if osid: |
---|
1051 | out += "tb-set-node-os ${%s} %s\n" % (name, osid) |
---|
1052 | hw = e.get_attribute('type') |
---|
1053 | if hw: |
---|
1054 | out += "tb-set-hardware ${%s} %s\n" % (name, hw) |
---|
1055 | for s in e.software: |
---|
1056 | if s.install: |
---|
1057 | tarfiles += "%s %s " % (s.install, s.location) |
---|
1058 | else: |
---|
1059 | rpms += "%s " % s.location |
---|
1060 | if rpms: |
---|
1061 | out += "tb-set-node-rpms ${%s} %s\n" % (name, rpms) |
---|
1062 | if tarfiles: |
---|
1063 | out += "tb-set-node-tarfiles ${%s} %s\n" % (name, tarfiles) |
---|
1064 | startcmd = e.get_attribute('startup') |
---|
1065 | if startcmd: |
---|
1066 | out+= 'tb-set-node-startcmd ${%s} "%s"\n' % (name, startcmd) |
---|
1067 | for f in filters: |
---|
1068 | out += f(e) |
---|
1069 | out+= "\n" |
---|
1070 | |
---|
1071 | for idx, s in enumerate(t.substrates): |
---|
1072 | loss = s.get_attribute('loss') |
---|
1073 | if s.latency: delay = s.latency.time |
---|
1074 | else: delay = 0 |
---|
1075 | |
---|
1076 | if s.capacity: rate = s.capacity.rate |
---|
1077 | else: rate = 100000 |
---|
1078 | name = to_tcl_name(s.name or "sub%d" % idx) |
---|
1079 | |
---|
1080 | if len(s.interfaces) > 2: |
---|
1081 | # Lan |
---|
1082 | members = [ to_tcl_name("${%s}") % i.element.name \ |
---|
1083 | for i in s.interfaces] |
---|
1084 | out += 'set %s [$ns make-lan "%s" %fkb %fms ]\n' % \ |
---|
1085 | (name, " ".join([to_tcl_name(m) for m in members]), |
---|
1086 | rate, delay) |
---|
1087 | if loss: |
---|
1088 | "tb-set-lan-loss ${%s} %f\n" % (name, float(loss)) |
---|
1089 | |
---|
1090 | for i in s.interfaces: |
---|
1091 | e = i.element |
---|
1092 | ip = i.get_attribute("ip4_address") |
---|
1093 | if ip: |
---|
1094 | out += "tb-set-ip-lan ${%s} ${%s} %s\n" % \ |
---|
1095 | (to_tcl_name(e.name), name, ip) |
---|
1096 | if i.capacity and i.capacity.rate != rate: |
---|
1097 | out += "tb-set-node-lan-bandwidth ${%s} ${%s} %fkb\n" % \ |
---|
1098 | (to_tcl_name(e.name), name, i.capacity.rate) |
---|
1099 | if i.latency and i.latency.time != delay: |
---|
1100 | out += "tb-set-node-lan-delay ${%s} ${%s} %fms\n" % \ |
---|
1101 | (to_tcl_name(e.name), name, i.latency.time) |
---|
1102 | iloss = i.get_attribute('loss') |
---|
1103 | if loss and iloss != loss : |
---|
1104 | out += "tb-set-node-lan-loss ${%s} ${%s} %f\n" % \ |
---|
1105 | (to_tcl_name(e.name), name, float(loss)) |
---|
1106 | out+= "\n" |
---|
1107 | elif len(s.interfaces) == 2: |
---|
1108 | f = s.interfaces[0] |
---|
1109 | t = s.interfaces[1] |
---|
1110 | |
---|
1111 | out += "set %s [$ns duplex-link ${%s} ${%s} %fkb %fms DropTail]\n" %\ |
---|
1112 | (name, to_tcl_name(f.element.name), |
---|
1113 | to_tcl_name(t.element.name), rate, delay) |
---|
1114 | if loss: |
---|
1115 | out += "tb-set-link-loss ${%s} %f\n" % (name, float(loss)) |
---|
1116 | |
---|
1117 | for i in s.interfaces: |
---|
1118 | lloss = i.get_attribute("loss") |
---|
1119 | cap_override = i.capacity and \ |
---|
1120 | i.capacity.rate != rate |
---|
1121 | delay_override = i.latency and \ |
---|
1122 | i.latency.time != delay |
---|
1123 | loss_override = lloss and lloss != loss |
---|
1124 | if cap_override or delay_override or loss_override: |
---|
1125 | if i.capacity: cap = i.capacity.rate |
---|
1126 | else: cap = rate |
---|
1127 | |
---|
1128 | if i.latency: delay = i.latency.time |
---|
1129 | |
---|
1130 | if lloss: loss = lloss |
---|
1131 | else: loss = loss or 0.0 |
---|
1132 | |
---|
1133 | out += "tb-set-link-simplex-params ${%s} ${%s} %fms %fkb %f\n"\ |
---|
1134 | % (name, to_tcl_name(i.element.name), |
---|
1135 | delay, cap, loss) |
---|
1136 | ip = i.get_attribute('ip4_address') |
---|
1137 | if ip: |
---|
1138 | out += "tb-set-ip-link ${%s} ${%s} %s\n" % \ |
---|
1139 | (to_tcl_name(i.element.name), name, ip) |
---|
1140 | out+= "\n" |
---|
1141 | for f in filters: |
---|
1142 | out+= f(s) |
---|
1143 | out+="$ns rtproto %s" % routing |
---|
1144 | out+=""" |
---|
1145 | $ns run |
---|
1146 | """ |
---|
1147 | return out |
---|
1148 | |
---|
1149 | def topology_to_rspec(t, filters=[]): |
---|
1150 | out = '<?xml version="1.0" encoding="UTF-8"?>\n' + \ |
---|
1151 | '<rspec xmlns="http://www.protogeni.net/resources/rspec/0.1"\n' + \ |
---|
1152 | '\txmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"\n' + \ |
---|
1153 | '\txsi:schemaLocation="http://www.protogeni.net/resources/rspec/0.1 '+ \ |
---|
1154 | 'http://www.protogeni.net/resources/rspec/0.1/request.xsd"\n' + \ |
---|
1155 | '\ttype="request" >\n' |
---|
1156 | |
---|
1157 | ifname = { } |
---|
1158 | ifnode = { } |
---|
1159 | |
---|
1160 | for e in [e for e in t.elements if isinstance(e, Computer)]: |
---|
1161 | name = e.name |
---|
1162 | virt_type = e.get_attribute("virtualization_type") or "emulab-vnode" |
---|
1163 | exclusive = e.get_attribute("exclusive") or "1" |
---|
1164 | hw = e.get_attribute("type") or "pc"; |
---|
1165 | slots = e.get_attribute("slots") or "1"; |
---|
1166 | startup = e.get_attribute("startup") |
---|
1167 | |
---|
1168 | extras = "" |
---|
1169 | if startup: extras += '\t\tstartup_command="%s"\n' % startup |
---|
1170 | out += '\t<node virtual_id="%s"\n\t\tvirtualization_type="%s"\n' % \ |
---|
1171 | (name, virt_type) |
---|
1172 | out += '\t\texclusive="%s"' % exclusive |
---|
1173 | if extras: out += '\n%s' % extras |
---|
1174 | out += '>\n' |
---|
1175 | out += '\t\t<node_type type_name="%s" slots="%s"/>\n' % (hw, slots) |
---|
1176 | for i, ii in enumerate(e.interface): |
---|
1177 | out += '\t\t<interface virtual_id="%s"/>\n' % ii.name |
---|
1178 | ifnode[ii] = name |
---|
1179 | for f in filters: |
---|
1180 | out += f(e) |
---|
1181 | out += '\t</node>\n' |
---|
1182 | |
---|
1183 | for i, s in enumerate(t.substrates): |
---|
1184 | if len(s.interfaces) == 0: |
---|
1185 | continue |
---|
1186 | out += '\t<link virtual_id="%s" link_type="ethernet">\n' % s.name |
---|
1187 | if s.capacity and s.capacity.kind == "max": |
---|
1188 | bwout = True |
---|
1189 | out += '\t\t<bandwidth>%d</bandwidth>\n' % s.capacity.rate |
---|
1190 | else: |
---|
1191 | bwout = False |
---|
1192 | if s.latency and s.latency.kind == "max": |
---|
1193 | out += '\t\t<latency>%d</latency>\n' % s.latency.time |
---|
1194 | elif bwout: |
---|
1195 | out += '\t\t<latency>0</latency>\n' |
---|
1196 | for ii in s.interfaces: |
---|
1197 | out += ('\t\t<interface_ref virtual_node_id="%s" ' + \ |
---|
1198 | 'virtual_interface_id="%s"/>\n') % (ifnode[ii], ii.name) |
---|
1199 | for f in filters: |
---|
1200 | out += f(s) |
---|
1201 | out += '\t</link>\n' |
---|
1202 | out += '</rspec>\n' |
---|
1203 | return out |
---|
1204 | |
---|