1 | #!/usr/local/bin/python |
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2 | |
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3 | import os,sys |
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4 | import stat # for chmod constants |
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5 | import re |
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6 | import random |
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7 | import string |
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8 | import copy |
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9 | import pickle |
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10 | import logging |
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11 | import subprocess |
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12 | |
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13 | from threading import * |
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14 | from M2Crypto.SSL import SSLError |
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15 | |
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16 | from util import * |
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17 | from allocate_project import allocate_project_local, allocate_project_remote |
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18 | from access_project import access_project |
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19 | from fedid import fedid, generate_fedid |
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20 | from authorizer import authorizer |
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21 | from service_error import service_error |
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22 | from remote_service import xmlrpc_handler, soap_handler, service_caller |
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23 | |
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24 | import httplib |
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25 | import tempfile |
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26 | from urlparse import urlparse |
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27 | |
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28 | import topdl |
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29 | import list_log |
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30 | import proxy_emulab_segment |
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31 | import local_emulab_segment |
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32 | |
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33 | |
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34 | # Make log messages disappear if noone configures a fedd logger |
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35 | class nullHandler(logging.Handler): |
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36 | def emit(self, record): pass |
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37 | |
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38 | fl = logging.getLogger("fedd.access") |
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39 | fl.addHandler(nullHandler()) |
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40 | |
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41 | class access_base: |
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42 | """ |
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43 | The implementation of access control based on mapping users to projects. |
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44 | |
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45 | Users can be mapped to existing projects or have projects created |
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46 | dynamically. This implements both direct requests and proxies. |
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47 | """ |
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48 | |
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49 | class parse_error(RuntimeError): pass |
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50 | |
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51 | def __init__(self, config=None, auth=None): |
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52 | """ |
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53 | Initializer. Pulls parameters out of the ConfigParser's access section. |
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54 | """ |
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55 | |
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56 | # Make sure that the configuration is in place |
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57 | if not config: |
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58 | raise RunTimeError("No config to fedd.access") |
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59 | |
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60 | self.project_priority = config.getboolean("access", "project_priority") |
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61 | |
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62 | self.certdir = config.get("access","certdir") |
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63 | self.create_debug = config.getboolean("access", "create_debug") |
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64 | self.cleanup = not config.getboolean("access", "leave_tmpfiles") |
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65 | self.access_type = config.get("access", "type") |
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66 | self.log = logging.getLogger("fedd.access") |
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67 | set_log_level(config, "access", self.log) |
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68 | self.state_lock = Lock() |
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69 | self.state = { } |
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70 | # subclasses fill with what and how they export. |
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71 | self.exports = { } |
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72 | # XXX: Configurable |
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73 | self.imports = set(('SMB', 'seer', 'userconfig', 'seer_master', |
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74 | 'hide_hosts')) |
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75 | |
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76 | if auth: self.auth = auth |
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77 | else: |
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78 | self.log.error(\ |
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79 | "[access]: No authorizer initialized, creating local one.") |
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80 | auth = authorizer() |
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81 | |
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82 | self.state_filename = config.get("access", "access_state") |
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83 | self.read_state() |
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84 | |
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85 | # Keep cert_file and cert_pwd coming from the same place |
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86 | self.cert_file = config.get("access", "cert_file") |
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87 | if self.cert_file: |
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88 | self.cert_pwd = config.get("access", "cert_pw") |
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89 | else: |
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90 | self.cert_file = config.get("globals", "cert_file") |
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91 | self.sert_pwd = config.get("globals", "cert_pw") |
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92 | |
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93 | self.trusted_certs = config.get("access", "trusted_certs") or \ |
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94 | config.get("globals", "trusted_certs") |
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95 | |
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96 | |
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97 | @staticmethod |
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98 | def software_list(v): |
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99 | """ |
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100 | From a string containing a sequence of space separated pairs, return a |
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101 | list of tuples with pairs of location and file. |
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102 | """ |
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103 | l = [ ] |
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104 | if v: |
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105 | ps = v.split(" ") |
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106 | while len(ps): |
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107 | loc, file = ps[0:2] |
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108 | del ps[0:2] |
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109 | l.append((loc, file)) |
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110 | return l |
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111 | |
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112 | @staticmethod |
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113 | def add_kit(e, kit): |
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114 | """ |
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115 | Add a Software object created from the list of (install, location) |
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116 | tuples passed as kit to the software attribute of an object e. We |
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117 | do this enough to break out the code, but it's kind of a hack to |
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118 | avoid changing the old tuple rep. |
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119 | """ |
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120 | |
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121 | s = [ topdl.Software(install=i, location=l) for i, l in kit] |
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122 | |
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123 | if isinstance(e.software, list): e.software.extend(s) |
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124 | else: e.software = s |
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125 | |
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126 | |
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127 | def read_access(self, config, access_obj=None): |
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128 | """ |
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129 | Read an access DB with filename config of the form: |
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130 | (id, id, id) -> attribute, something |
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131 | where the ids can be fedids, strings, or <any> or <none>, attribute is |
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132 | the attribute to assign , and something is any set of charcters. The |
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133 | hash self.access is populated with mappings from those triples to the |
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134 | results of access_obj being called on the remainder of the line (if |
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135 | present). If access_obj is not given, the string itself is entered in |
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136 | the hash. Additionally, a triple with <any> and <none> mapped to None |
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137 | is entered in self.auth with the attribute given. |
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138 | |
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139 | Parsing errors result in a self.parse_error exception being raised. |
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140 | access_obj should throw that as well. |
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141 | """ |
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142 | lineno=0 |
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143 | name_expr = "["+string.ascii_letters + string.digits + "\.\-_]+" |
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144 | fedid_expr = "fedid:[" + string.hexdigits + "]+" |
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145 | key_name = "(<ANY>|<NONE>|"+fedid_expr + "|"+ name_expr + ")" |
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146 | access_re = re.compile('\('+key_name+'\s*,\s*'+key_name+'\s*,\s*'+ |
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147 | key_name+'\s*\)\s*->\s*([^,]+)\s*(.*)', re.IGNORECASE) |
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148 | |
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149 | def parse_name(n): |
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150 | if n.startswith('fedid:'): return fedid(hexstr=n[len('fedid:'):]) |
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151 | else: return n |
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152 | |
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153 | def auth_name(n): |
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154 | if isinstance(n, basestring): |
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155 | if n =='<any>' or n =='<none>': return None |
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156 | else: return unicode(n) |
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157 | else: |
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158 | return n |
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159 | def strip_comma(s): |
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160 | s = s.strip() |
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161 | if s.startswith(','): |
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162 | s = s[1:].strip() |
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163 | return s |
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164 | |
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165 | if access_obj is None: |
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166 | access_obj = lambda(x): "%s" % x |
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167 | |
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168 | f = open(config, "r"); |
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169 | try: |
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170 | for line in f: |
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171 | lineno += 1 |
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172 | line = line.strip(); |
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173 | if len(line) == 0 or line.startswith('#'): |
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174 | continue |
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175 | |
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176 | # Access line (t, p, u) -> anything |
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177 | m = access_re.match(line) |
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178 | if m != None: |
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179 | access_key = tuple([ parse_name(x) \ |
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180 | for x in m.group(1,2,3)]) |
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181 | attribute = m.group(4) |
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182 | auth_key = tuple([ auth_name(x) for x in access_key]) |
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183 | self.auth.set_attribute(auth_key, attribute) |
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184 | if len(m.group(5)) > 0: |
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185 | access_val = access_obj(strip_comma(m.group(5))) |
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186 | self.access[access_key] = access_val |
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187 | continue |
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188 | |
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189 | # Nothing matched to here: unknown line - raise exception |
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190 | f.close() |
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191 | raise self.parse_error( |
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192 | "Unknown statement at line %d of %s" % \ |
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193 | (lineno, config)) |
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194 | finally: |
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195 | if f: f.close() |
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196 | |
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197 | def get_users(self, obj): |
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198 | """ |
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199 | Return a list of the IDs of the users in dict |
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200 | """ |
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201 | if obj.has_key('user'): |
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202 | return [ unpack_id(u['userID']) \ |
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203 | for u in obj['user'] if u.has_key('userID') ] |
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204 | else: |
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205 | return None |
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206 | |
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207 | def write_state(self): |
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208 | if self.state_filename: |
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209 | try: |
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210 | f = open(self.state_filename, 'w') |
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211 | pickle.dump(self.state, f) |
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212 | self.log.debug("Wrote state to %s" % self.state_filename) |
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213 | except EnvironmentError, e: |
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214 | self.log.error("Can't write file %s: %s" % \ |
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215 | (self.state_filename, e)) |
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216 | except pickle.PicklingError, e: |
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217 | self.log.error("Pickling problem: %s" % e) |
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218 | except TypeError, e: |
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219 | self.log.error("Pickling problem (TypeError): %s" % e) |
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220 | |
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221 | |
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222 | def read_state(self): |
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223 | """ |
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224 | Read a new copy of access state. Old state is overwritten. |
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225 | |
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226 | State format is a simple pickling of the state dictionary. |
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227 | """ |
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228 | if self.state_filename: |
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229 | try: |
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230 | f = open(self.state_filename, "r") |
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231 | self.state = pickle.load(f) |
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232 | self.log.debug("[read_state]: Read state from %s" % \ |
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233 | self.state_filename) |
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234 | except EnvironmentError, e: |
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235 | self.log.warning(("[read_state]: No saved state: " +\ |
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236 | "Can't open %s: %s") % (self.state_filename, e)) |
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237 | except EOFError, e: |
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238 | self.log.warning(("[read_state]: " +\ |
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239 | "Empty or damaged state file: %s:") % \ |
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240 | self.state_filename) |
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241 | except pickle.UnpicklingError, e: |
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242 | self.log.warning(("[read_state]: No saved state: " + \ |
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243 | "Unpickling failed: %s") % e) |
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244 | |
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245 | |
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246 | |
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247 | def permute_wildcards(self, a, p): |
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248 | """Return a copy of a with various fields wildcarded. |
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249 | |
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250 | The bits of p control the wildcards. A set bit is a wildcard |
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251 | replacement with the lowest bit being user then project then testbed. |
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252 | """ |
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253 | if p & 1: user = ["<any>"] |
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254 | else: user = a[2] |
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255 | if p & 2: proj = "<any>" |
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256 | else: proj = a[1] |
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257 | if p & 4: tb = "<any>" |
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258 | else: tb = a[0] |
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259 | |
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260 | return (tb, proj, user) |
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261 | |
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262 | def find_access(self, search): |
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263 | """ |
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264 | Search the access DB for a match on this tuple. Return the matching |
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265 | access tuple and the user that matched. |
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266 | |
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267 | NB, if the initial tuple fails to match we start inserting wildcards in |
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268 | an order determined by self.project_priority. Try the list of users in |
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269 | order (when wildcarded, there's only one user in the list). |
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270 | """ |
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271 | if self.project_priority: perm = (0, 1, 2, 3, 4, 5, 6, 7) |
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272 | else: perm = (0, 2, 1, 3, 4, 6, 5, 7) |
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273 | |
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274 | for p in perm: |
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275 | s = self.permute_wildcards(search, p) |
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276 | # s[2] is None on an anonymous, unwildcarded request |
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277 | if s[2] != None: |
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278 | for u in s[2]: |
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279 | if self.access.has_key((s[0], s[1], u)): |
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280 | return (self.access[(s[0], s[1], u)], u) |
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281 | else: |
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282 | if self.access.has_key(s): |
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283 | return (self.access[s], None) |
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284 | return None, None |
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285 | |
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286 | def lookup_access_base(self, req, fid): |
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287 | """ |
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288 | Determine the allowed access for this request. Return the access and |
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289 | which fields are dynamic. |
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290 | |
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291 | The fedid is needed to construct the request |
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292 | """ |
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293 | user_re = re.compile("user:\s(.*)") |
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294 | project_re = re.compile("project:\s(.*)") |
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295 | |
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296 | # Search keys |
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297 | tb = fid |
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298 | user = [ user_re.findall(x)[0] for x in req.get('credential', []) \ |
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299 | if user_re.match(x)] |
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300 | project = [ project_re.findall(x)[0] \ |
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301 | for x in req.get('credential', []) \ |
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302 | if project_re.match(x)] |
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303 | |
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304 | if len(project) == 1: project = project[0] |
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305 | elif len(project) == 0: project = None |
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306 | else: |
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307 | raise service_error(service_error.req, |
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308 | "More than one project credential") |
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309 | |
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310 | # Confirm authorization |
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311 | for u in user: |
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312 | self.log.debug("[lookup_access] Checking access for %s" % \ |
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313 | ((tb, project, u),)) |
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314 | if self.auth.check_attribute((tb, project, u), 'access'): |
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315 | self.log.debug("[lookup_access] Access granted") |
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316 | break |
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317 | else: |
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318 | self.log.debug("[lookup_access] Access Denied") |
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319 | else: |
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320 | raise service_error(service_error.access, "Access denied") |
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321 | |
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322 | # This maps a valid user to the Emulab projects and users to use |
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323 | found, user_match = self.find_access((tb, project, user)) |
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324 | |
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325 | return (found, (tb, project, user_match)) |
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326 | |
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327 | |
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328 | def get_handler(self, path, fid): |
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329 | self.log.info("Get handler %s %s" % (path, fid)) |
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330 | if self.auth.check_attribute(fid, path) and self.userconfdir: |
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331 | return ("%s/%s" % (self.userconfdir, path), "application/binary") |
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332 | else: |
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333 | return (None, None) |
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334 | |
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335 | def export_userconf(self, project): |
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336 | dev_null = None |
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337 | confid, confcert = generate_fedid("test", dir=self.userconfdir, |
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338 | log=self.log) |
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339 | conffilename = "%s/%s" % (self.userconfdir, str(confid)) |
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340 | cf = None |
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341 | try: |
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342 | cf = open(conffilename, "w") |
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343 | os.chmod(conffilename, stat.S_IRUSR | stat.S_IWUSR) |
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344 | except EnvironmentError, e: |
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345 | raise service_error(service_error.internal, |
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346 | "Cannot create user configuration data") |
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347 | |
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348 | try: |
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349 | dev_null = open("/dev/null", "a") |
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350 | except EnvironmentError, e: |
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351 | self.log.error("export_userconf: can't open /dev/null: %s" % e) |
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352 | |
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353 | cmd = "%s %s" % (self.userconfcmd, project) |
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354 | conf = subprocess.call(cmd.split(" "), |
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355 | stdout=cf, stderr=dev_null, close_fds=True) |
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356 | |
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357 | self.auth.set_attribute(confid, "/%s" % str(confid)) |
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358 | |
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359 | return confid, confcert |
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360 | |
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361 | def export_SMB(self, id, state, project, user, attrs): |
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362 | if project and user: |
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363 | return [{ |
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364 | 'id': id, |
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365 | 'name': 'SMB', |
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366 | 'visibility': 'export', |
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367 | 'server': 'http://fs:139', |
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368 | 'fedAttr': [ |
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369 | { 'attribute': 'SMBSHARE', 'value': 'USERS' }, |
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370 | { 'attribute': 'SMBUSER', 'value': user }, |
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371 | { 'attribute': 'SMBPROJ', 'value': project }, |
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372 | ] |
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373 | }] |
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374 | else: |
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375 | self.log.warn("Cannot export SMB w/o user and project") |
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376 | return [ ] |
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377 | |
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378 | def export_seer(self, id, state, project, user, attrs): |
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379 | return [{ |
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380 | 'id': id, |
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381 | 'name': 'seer', |
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382 | 'visibility': 'export', |
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383 | 'server': 'http://control:16606', |
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384 | }] |
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385 | |
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386 | def export_local_seer(self, id, state, project, user, attrs): |
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387 | return [{ |
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388 | 'id': id, |
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389 | 'name': 'local_seer_control', |
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390 | 'visibility': 'export', |
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391 | 'server': 'http://control:16606', |
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392 | }] |
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393 | |
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394 | def export_seer_master(self, id, state, project, user, attrs): |
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395 | return [{ |
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396 | 'id': id, |
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397 | 'name': 'seer_master', |
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398 | 'visibility': 'export', |
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399 | 'server': 'http://seer-master:17707', |
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400 | }] |
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401 | |
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402 | def export_tmcd(self, id, state, project, user, attrs): |
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403 | return [{ |
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404 | 'id': id, |
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405 | 'name': 'seer', |
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406 | 'visibility': 'export', |
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407 | 'server': 'http://boss:7777', |
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408 | }] |
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409 | |
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410 | def export_userconfig(self, id, state, project, user, attrs): |
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411 | if self.userconfdir and self.userconfcmd \ |
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412 | and self.userconfurl: |
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413 | cid, cert = self.export_userconf(project) |
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414 | state['userconfig'] = unicode(cid) |
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415 | return [{ |
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416 | 'id': id, |
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417 | 'name': 'userconfig', |
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418 | 'visibility': 'export', |
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419 | 'server': "%s/%s" % (self.userconfurl, str(cid)), |
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420 | 'fedAttr': [ |
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421 | { 'attribute': 'cert', 'value': cert }, |
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422 | ] |
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423 | }] |
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424 | else: |
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425 | return [ ] |
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426 | |
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427 | def export_hide_hosts(self, id, state, project, user, attrs): |
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428 | return [{ |
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429 | 'id': id, |
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430 | 'name': 'hide_hosts', |
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431 | 'visibility': 'export', |
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432 | 'fedAttr': [ x for x in attrs \ |
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433 | if x.get('attribute', "") == 'hosts'], |
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434 | }] |
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435 | |
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436 | def export_project_export(self, id, state, project, user, attrs): |
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437 | rv = [ ] |
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438 | rv.extend(self.export_SMB(id, state, project, user, attrs)) |
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439 | rv.extend(self.export_userconfig(id, state, project, user, attrs)) |
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440 | return rv |
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441 | |
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442 | def export_services(self, sreq, project=None, user=None): |
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443 | exp = [ ] |
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444 | state = { } |
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445 | for s in sreq: |
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446 | sname = s.get('name', '') |
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447 | svis = s.get('visibility', '') |
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448 | sattrs = s.get('fedAttr', []) |
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449 | if svis == 'export': |
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450 | if sname in self.exports: |
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451 | id = s.get('id', 'no_id') |
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452 | exp.extend(self.exports[sname](id, state, project, user, |
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453 | sattrs)) |
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454 | |
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455 | return (exp, state) |
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456 | |
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457 | def build_access_response(self, alloc_id, ap, services): |
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458 | """ |
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459 | Create the SOAP response. |
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460 | |
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461 | Build the dictionary description of the response and use |
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462 | fedd_utils.pack_soap to create the soap message. ap is the allocate |
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463 | project message returned from a remote project allocation (even if that |
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464 | allocation was done locally). |
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465 | """ |
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466 | # Because alloc_id is already a fedd_services_types.IDType_Holder, |
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467 | # there's no need to repack it |
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468 | msg = { |
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469 | 'allocID': alloc_id, |
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470 | 'fedAttr': [ |
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471 | { 'attribute': 'domain', 'value': self.domain } , |
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472 | { 'attribute': 'project', 'value': |
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473 | ap['project'].get('name', {}).get('localname', "???") }, |
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474 | ] |
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475 | } |
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476 | |
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477 | if self.dragon_endpoint: |
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478 | msg['fedAttr'].append({'attribute': 'dragon', |
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479 | 'value': self.dragon_endpoint}) |
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480 | if self.deter_internal: |
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481 | msg['fedAttr'].append({'attribute': 'deter_internal', |
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482 | 'value': self.deter_internal}) |
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483 | #XXX: ?? |
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484 | if self.dragon_vlans: |
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485 | msg['fedAttr'].append({'attribute': 'vlans', |
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486 | 'value': self.dragon_vlans}) |
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487 | |
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488 | if services: |
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489 | msg['service'] = services |
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490 | return msg |
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491 | |
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492 | def generate_portal_configs(self, topo, pubkey_base, secretkey_base, |
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493 | tmpdir, lproj, leid, connInfo, services): |
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494 | |
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495 | def conninfo_to_dict(key, info): |
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496 | """ |
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497 | Make a cpoy of the connection information about key, and flatten it |
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498 | into a single dict by parsing out any feddAttrs. |
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499 | """ |
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500 | |
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501 | rv = None |
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502 | for i in info: |
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503 | if key == i.get('portal', "") or \ |
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504 | key in [e.get('element', "") \ |
---|
505 | for e in i.get('member', [])]: |
---|
506 | rv = i.copy() |
---|
507 | break |
---|
508 | |
---|
509 | else: |
---|
510 | return rv |
---|
511 | |
---|
512 | if 'fedAttr' in rv: |
---|
513 | for a in rv['fedAttr']: |
---|
514 | attr = a.get('attribute', "") |
---|
515 | val = a.get('value', "") |
---|
516 | if attr and attr not in rv: |
---|
517 | rv[attr] = val |
---|
518 | del rv['fedAttr'] |
---|
519 | return rv |
---|
520 | |
---|
521 | # XXX: un hardcode this |
---|
522 | def client_null(f, s): |
---|
523 | print >>f, "Service: %s" % s['name'] |
---|
524 | |
---|
525 | def client_seer_master(f, s): |
---|
526 | print >>f, 'PortalAlias: seer-master' |
---|
527 | |
---|
528 | def client_smb(f, s): |
---|
529 | print >>f, "Service: %s" % s['name'] |
---|
530 | smbshare = None |
---|
531 | smbuser = None |
---|
532 | smbproj = None |
---|
533 | for a in s.get('fedAttr', []): |
---|
534 | if a.get('attribute', '') == 'SMBSHARE': |
---|
535 | smbshare = a.get('value', None) |
---|
536 | elif a.get('attribute', '') == 'SMBUSER': |
---|
537 | smbuser = a.get('value', None) |
---|
538 | elif a.get('attribute', '') == 'SMBPROJ': |
---|
539 | smbproj = a.get('value', None) |
---|
540 | |
---|
541 | if all((smbshare, smbuser, smbproj)): |
---|
542 | print >>f, "SMBshare: %s" % smbshare |
---|
543 | print >>f, "ProjectUser: %s" % smbuser |
---|
544 | print >>f, "ProjectName: %s" % smbproj |
---|
545 | |
---|
546 | def client_hide_hosts(f, s): |
---|
547 | for a in s.get('fedAttr', [ ]): |
---|
548 | if a.get('attribute', "") == 'hosts': |
---|
549 | print >>f, "Hide: %s" % a.get('value', "") |
---|
550 | |
---|
551 | client_service_out = { |
---|
552 | 'SMB': client_smb, |
---|
553 | 'tmcd': client_null, |
---|
554 | 'seer': client_null, |
---|
555 | 'userconfig': client_null, |
---|
556 | 'project_export': client_null, |
---|
557 | 'seer_master': client_seer_master, |
---|
558 | 'hide_hosts': client_hide_hosts, |
---|
559 | } |
---|
560 | |
---|
561 | def client_seer_master_export(f, s): |
---|
562 | print >>f, "AddedNode: seer-master" |
---|
563 | |
---|
564 | def client_seer_local_export(f, s): |
---|
565 | print >>f, "AddedNode: control" |
---|
566 | |
---|
567 | client_export_service_out = { |
---|
568 | 'seer_master': client_seer_master_export, |
---|
569 | 'local_seer_control': client_seer_local_export, |
---|
570 | } |
---|
571 | |
---|
572 | def server_port(f, s): |
---|
573 | p = urlparse(s.get('server', 'http://localhost')) |
---|
574 | print >>f, 'port: remote:%s:%s:%s' % (p.port, p.hostname, p.port) |
---|
575 | |
---|
576 | def server_null(f,s): pass |
---|
577 | |
---|
578 | def server_seer(f, s): |
---|
579 | print >>f, 'seer: True' |
---|
580 | |
---|
581 | server_service_out = { |
---|
582 | 'SMB': server_port, |
---|
583 | 'tmcd': server_port, |
---|
584 | 'userconfig': server_null, |
---|
585 | 'project_export': server_null, |
---|
586 | 'seer': server_seer, |
---|
587 | 'seer_master': server_port, |
---|
588 | 'hide_hosts': server_null, |
---|
589 | } |
---|
590 | # XXX: end un hardcode this |
---|
591 | |
---|
592 | |
---|
593 | seer_out = False |
---|
594 | client_out = False |
---|
595 | mproj = None |
---|
596 | mexp = None |
---|
597 | control_gw = None |
---|
598 | testbed = "" |
---|
599 | # Create configuration files for the portals |
---|
600 | for e in [ e for e in topo.elements \ |
---|
601 | if isinstance(e, topdl.Computer) and e.get_attribute('portal')]: |
---|
602 | myname = e.name |
---|
603 | type = e.get_attribute('portal_type') |
---|
604 | |
---|
605 | info = conninfo_to_dict(myname, connInfo) |
---|
606 | |
---|
607 | if not info: |
---|
608 | raise service_error(service_error.req, |
---|
609 | "No connectivity info for %s" % myname) |
---|
610 | |
---|
611 | peer = info.get('peer', "") |
---|
612 | ldomain = self.domain |
---|
613 | ssh_port = info.get('ssh_port', 22) |
---|
614 | |
---|
615 | # Collect this for the client.conf file |
---|
616 | if 'masterexperiment' in info: |
---|
617 | mproj, meid = info['masterexperiment'].split("/", 1) |
---|
618 | |
---|
619 | if type in ('control', 'both'): |
---|
620 | testbed = e.get_attribute('testbed') |
---|
621 | control_gw = myname |
---|
622 | |
---|
623 | active = info.get('active', 'False') |
---|
624 | |
---|
625 | cfn = "%s/%s.gw.conf" % (tmpdir, myname.lower()) |
---|
626 | tunnelconfig = self.tunnel_config |
---|
627 | try: |
---|
628 | f = open(cfn, "w") |
---|
629 | if active == 'True': |
---|
630 | print >>f, "active: True" |
---|
631 | print >>f, "ssh_port: %s" % ssh_port |
---|
632 | if type in ('control', 'both'): |
---|
633 | for s in [s for s in services \ |
---|
634 | if s.get('name', "") in self.imports]: |
---|
635 | server_service_out[s['name']](f, s) |
---|
636 | |
---|
637 | if tunnelconfig: |
---|
638 | print >>f, "tunnelip: %s" % tunnelconfig |
---|
639 | print >>f, "peer: %s" % peer.lower() |
---|
640 | print >>f, "ssh_pubkey: /proj/%s/exp/%s/tmp/%s" % \ |
---|
641 | (lproj, leid, pubkey_base) |
---|
642 | print >>f, "ssh_privkey: /proj/%s/exp/%s/tmp/%s" % \ |
---|
643 | (lproj, leid, secretkey_base) |
---|
644 | f.close() |
---|
645 | except EnvironmentError, e: |
---|
646 | raise service_error(service_error.internal, |
---|
647 | "Can't write protal config %s: %s" % (cfn, e)) |
---|
648 | |
---|
649 | # Done with portals, write the client config file. |
---|
650 | try: |
---|
651 | f = open("%s/client.conf" % tmpdir, "w") |
---|
652 | if control_gw: |
---|
653 | print >>f, "ControlGateway: %s.%s.%s%s" % \ |
---|
654 | (myname.lower(), leid.lower(), lproj.lower(), |
---|
655 | ldomain.lower()) |
---|
656 | for s in services: |
---|
657 | if s.get('name',"") in self.imports and \ |
---|
658 | s.get('visibility','') == 'import': |
---|
659 | client_service_out[s['name']](f, s) |
---|
660 | if s.get('name', '') in self.exports and \ |
---|
661 | s.get('visibility', '') == 'export' and \ |
---|
662 | s['name'] in client_export_service_out: |
---|
663 | client_export_service_out[s['name']](f, s) |
---|
664 | # Seer uses this. |
---|
665 | if mproj and meid: |
---|
666 | print >>f, "ExperimentID: %s/%s" % (mproj, meid) |
---|
667 | f.close() |
---|
668 | except EnvironmentError, e: |
---|
669 | raise service_error(service_error.internal, |
---|
670 | "Cannot write client.conf: %s" %s) |
---|
671 | |
---|
672 | def configure_userconf(self, services, tmpdir): |
---|
673 | """ |
---|
674 | If the userconf service was imported, collect the configuration data. |
---|
675 | """ |
---|
676 | for s in services: |
---|
677 | s_name = s.get('name', '') |
---|
678 | s_vis = s.get('visibility','') |
---|
679 | if s_name == 'userconfig' and s_vis == 'import': |
---|
680 | # Collect ther server and certificate info. |
---|
681 | u = s.get('server', None) |
---|
682 | for a in s.get('fedAttr', []): |
---|
683 | if a.get('attribute',"") == 'cert': |
---|
684 | cert = a.get('value', None) |
---|
685 | break |
---|
686 | else: |
---|
687 | cert = None |
---|
688 | |
---|
689 | if cert: |
---|
690 | # Make a temporary certificate file for get_url. The |
---|
691 | # finally clause removes it whether something goes |
---|
692 | # wrong (including an exception from get_url) or not. |
---|
693 | try: |
---|
694 | tfos, tn = tempfile.mkstemp(suffix=".pem") |
---|
695 | tf = os.fdopen(tfos, 'w') |
---|
696 | print >>tf, cert |
---|
697 | tf.close() |
---|
698 | self.log.debug("Getting userconf info: %s" % u) |
---|
699 | get_url(u, tn, tmpdir, "userconf") |
---|
700 | self.log.debug("Got userconf info: %s" % u) |
---|
701 | except EnvironmentError, e: |
---|
702 | raise service_error(service.error.internal, |
---|
703 | "Cannot create temp file for " + |
---|
704 | "userconfig certificates: %s" % e) |
---|
705 | except: |
---|
706 | t, v, st = sys.exc_info() |
---|
707 | raise service_error(service_error.internal, |
---|
708 | "Error retrieving %s: %s" % (u, v)) |
---|
709 | finally: |
---|
710 | if tn: os.remove(tn) |
---|
711 | else: |
---|
712 | raise service_error(service_error.req, |
---|
713 | "No certificate for retreiving userconfig") |
---|
714 | break |
---|
715 | |
---|
716 | def import_store_info(self, cf, connInfo): |
---|
717 | """ |
---|
718 | Pull any import parameters in connInfo in. We translate them either |
---|
719 | into known member names or fedAddrs. |
---|
720 | """ |
---|
721 | |
---|
722 | for c in connInfo: |
---|
723 | for p in [ p for p in c.get('parameter', []) \ |
---|
724 | if p.get('type', '') == 'input']: |
---|
725 | name = p.get('name', None) |
---|
726 | key = p.get('key', None) |
---|
727 | store = p.get('store', None) |
---|
728 | |
---|
729 | if name and key and store : |
---|
730 | req = { 'name': key, 'wait': True } |
---|
731 | self.log.debug("Waiting for %s (%s) from %s" % \ |
---|
732 | (name, key, store)) |
---|
733 | r = self.call_GetValue(store, req, cf) |
---|
734 | r = r.get('GetValueResponseBody', None) |
---|
735 | if r : |
---|
736 | if r.get('name', '') == key: |
---|
737 | v = r.get('value', None) |
---|
738 | if v is not None: |
---|
739 | if name == 'peer': |
---|
740 | self.log.debug("Got peer %s" % v) |
---|
741 | c['peer'] = v |
---|
742 | else: |
---|
743 | self.log.debug("Got %s %s" % (name, v)) |
---|
744 | if c.has_key('fedAttr'): |
---|
745 | c['fedAttr'].append({ |
---|
746 | 'attribute': name, 'value': v}) |
---|
747 | else: |
---|
748 | c['fedAttr']= [{ |
---|
749 | 'attribute': name, 'value': v}] |
---|
750 | else: |
---|
751 | raise service_error(service_error.internal, |
---|
752 | 'None value exported for %s' % key) |
---|
753 | else: |
---|
754 | raise service_error(service_error.internal, |
---|
755 | 'Different name returned for %s: %s' \ |
---|
756 | % (key, r.get('name',''))) |
---|
757 | else: |
---|
758 | raise service_error(service_error.internal, |
---|
759 | 'Badly formatted response: no GetValueResponseBody') |
---|
760 | else: |
---|
761 | raise service_error(service_error.internal, |
---|
762 | 'Bad Services missing info for import %s' % c) |
---|
763 | |
---|
764 | def remove_dirs(self, dir): |
---|
765 | """ |
---|
766 | Remove the directory tree and all files rooted at dir. Log any errors, |
---|
767 | but continue. |
---|
768 | """ |
---|
769 | self.log.debug("[removedirs]: removing %s" % dir) |
---|
770 | try: |
---|
771 | for path, dirs, files in os.walk(dir, topdown=False): |
---|
772 | for f in files: |
---|
773 | os.remove(os.path.join(path, f)) |
---|
774 | for d in dirs: |
---|
775 | os.rmdir(os.path.join(path, d)) |
---|
776 | os.rmdir(dir) |
---|
777 | except EnvironmentError, e: |
---|
778 | self.log.error("Error deleting directory tree in %s" % e); |
---|