dak/init_db.py

   1 #!/usr/bin/env python
   2
   3 """Sync dak.conf configuartion file and the SQL database"""
   4 # Copyright (C) 2000, 2001, 2002, 2003, 2006  James Troup <james@nocrew.org>
   5
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2 of the License, or
   9 # (at your option) any later version.
  10
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software
  18 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19
  20 ################################################################################
  21
  22 import psycopg2, sys
  23 import apt_pkg
  24
  25 from daklib import utils
  26 from daklib.DBConn import DBConn
  27 from daklib.Config import Config
  28
  29 ################################################################################
  30
  31 def usage(exit_code=0):
  32     """Print a usage message and exit with 'exit_code'."""
  33
  34     print """Usage: dak init-db
  35 Initalizes some tables in the projectB database based on the config file.
  36
  37   -h, --help                show this help and exit."""
  38     sys.exit(exit_code)
  39
  40 ################################################################################
  41
  42 def sql_get (config, key):
  43     """Return the value of config[key] or None if it doesn't exist."""
  44
  45     try:
  46         return config[key]
  47     except KeyError:
  48         return None
  49
  50 ################################################################################
  51
  52 class InitDB(object):
  53     def __init__(self, Cnf, projectB):
  54         self.Cnf = Cnf
  55         self.projectB = projectB
  56
  57     def do_archive(self):
  58         """initalize the archive table."""
  59
  60         c = self.projectB.cursor()
  61         c.execute("DELETE FROM archive")
  62         archive_add = "INSERT INTO archive (name, origin_server, description) VALUES (%s, %s, %s)"
  63         for name in self.Cnf.SubTree("Archive").List():
  64             archive_config = self.Cnf.SubTree("Archive::%s" % (name))
  65             origin_server = sql_get(archive_config, "OriginServer")
  66             description = sql_get(archive_config, "Description")
  67             c.execute(archive_add, [name, origin_server, description])
  68         self.projectB.commit()
  69
  70     def do_architecture(self):
  71         """Initalize the architecture table."""
  72
  73         c = self.projectB.cursor()
  74         c.execute("DELETE FROM architecture")
  75         arch_add = "INSERT INTO architecture (arch_string, description) VALUES (%s, %s)"
  76         for arch in self.Cnf.SubTree("Architectures").List():
  77             description = self.Cnf["Architectures::%s" % (arch)]
  78             c.execute(arch_add, [arch, description])
  79         self.projectB.commit()
  80
  81     def do_component(self):
  82         """Initalize the component table."""
  83
  84         c = self.projectB.cursor()
  85         c.execute("DELETE FROM component")
  86
  87         comp_add = "INSERT INTO component (name, description, meets_dfsg) " + \
  88                    "VALUES (%s, %s, %s)"
  89
  90         for name in self.Cnf.SubTree("Component").List():
  91             component_config = self.Cnf.SubTree("Component::%s" % (name))
  92             description = sql_get(component_config, "Description")
  93             meets_dfsg = (component_config.get("MeetsDFSG").lower() == "true")
  94             c.execute(comp_add, [name, description, meets_dfsg])
  95
  96         self.projectB.commit()
  97
  98     def do_location(self):
  99         """Initalize the location table."""
 100
 101         c = self.projectB.cursor()
 102         c.execute("DELETE FROM location")
 103
 104         loc_add = "INSERT INTO location (path, component, archive, type) " + \
 105                   "VALUES (%s, %s, %s, %s)"
 106
 107         for location in self.Cnf.SubTree("Location").List():
 108             location_config = self.Cnf.SubTree("Location::%s" % (location))
 109             archive_id = self.projectB.get_archive_id(location_config["Archive"])
 110             if archive_id == -1:
 111                 utils.fubar("Archive '%s' for location '%s' not found."
 112                                    % (location_config["Archive"], location))
 113             location_type = location_config.get("type")
 114             if location_type == "pool":
 115                 for component in self.Cnf.SubTree("Component").List():
 116                     component_id = self.projectB.get_component_id(component)
 117                     c.execute(loc_add, [location, component_id, archive_id, location_type])
 118             else:
 119                 utils.fubar("E: type '%s' not recognised in location %s."
 120                                    % (location_type, location))
 121
 122         self.projectB.commit()
 123
 124     def do_suite(self):
 125         """Initalize the suite table."""
 126
 127         c = self.projectB.cursor()
 128         c.execute("DELETE FROM suite")
 129
 130         suite_add = "INSERT INTO suite (suite_name, version, origin, description) " + \
 131                     "VALUES (%s, %s, %s, %s)"
 132
 133         sa_add = "INSERT INTO suite_architectures (suite, architecture) " + \
 134                  "VALUES (currval('suite_id_seq'), %s)"
 135
 136         for suite in self.Cnf.SubTree("Suite").List():
 137             suite_config = self.Cnf.SubTree("Suite::%s" %(suite))
 138             version = sql_get(suite_config, "Version")
 139             origin = sql_get(suite_config, "Origin")
 140             description = sql_get(suite_config, "Description")
 141             c.execute(suite_add, [suite.lower(), version, origin, description])
 142             for architecture in self.Cnf.ValueList("Suite::%s::Architectures" % (suite)):
 143                 architecture_id = self.projectB.get_architecture_id (architecture)
 144                 if architecture_id < 0:
 145                     utils.fubar("architecture '%s' not found in architecture"
 146                                 " table for suite %s."
 147                                 % (architecture, suite))
 148                 c.execute(sa_add, [architecture_id])
 149
 150         self.projectB.commit()
 151
 152     def do_override_type(self):
 153         """Initalize the override_type table."""
 154
 155         c = self.projectB.cursor()
 156         c.execute("DELETE FROM override_type")
 157
 158         over_add = "INSERT INTO override_type (type) VALUES (%s)"
 159
 160         for override_type in self.Cnf.ValueList("OverrideType"):
 161             c.execute(over_add, [override_type])
 162
 163         self.projectB.commit()
 164
 165     def do_priority(self):
 166         """Initialize the priority table."""
 167
 168         c = self.projectB.cursor()
 169         c.execute("DELETE FROM priority")
 170
 171         prio_add = "INSERT INTO priority (priority, level) VALUES (%s, %s)"
 172
 173         for priority in self.Cnf.SubTree("Priority").List():
 174             c.execute(prio_add, [priority, self.Cnf["Priority::%s" % (priority)]])
 175
 176         self.projectB.commit()
 177
 178     def do_section(self):
 179         """Initalize the section table."""
 180
 181         c = self.projectB.cursor()
 182         c.execute("DELETE FROM section")
 183
 184         sect_add = "INSERT INTO section (section) VALUES (%s)"
 185
 186         for component in self.Cnf.SubTree("Component").List():
 187             if self.Cnf["Control-Overrides::ComponentPosition"] == "prefix":
 188                 suffix = ""
 189                 if component != "main":
 190                     prefix = component + '/'
 191                 else:
 192                     prefix = ""
 193             else:
 194                 prefix = ""
 195                 if component != "main":
 196                     suffix = '/' + component
 197                 else:
 198                     suffix = ""
 199             for section in self.Cnf.ValueList("Section"):
 200                 c.execute(sect_add, [prefix + section + suffix])
 201
 202         self.projectB.commit()
 203
 204     def do_all(self):
 205         self.do_archive()
 206         self.do_architecture()
 207         self.do_component()
 208         self.do_location()
 209         self.do_suite()
 210         self.do_override_type()
 211         self.do_priority()
 212         self.do_section()
 213
 214 ################################################################################
 215
 216 def main ():
 217     """Sync dak.conf configuartion file and the SQL database"""
 218
 219     Cnf = utils.get_conf()
 220     arguments = [('h', "help", "Init-DB::Options::Help")]
 221     for i in [ "help" ]:
 222         if not Cnf.has_key("Init-DB::Options::%s" % (i)):
 223             Cnf["Init-DB::Options::%s" % (i)] = ""
 224
 225     arguments = apt_pkg.ParseCommandLine(Cnf, arguments, sys.argv)
 226
 227     options = Cnf.SubTree("Init-DB::Options")
 228     if options["Help"]:
 229         usage()
 230     elif arguments:
 231         utils.warn("dak init-db takes no arguments.")
 232         usage(exit_code=1)
 233
 234     # Just let connection failures be reported to the user
 235     projectB = DBConn()
 236     Cnf = Config()
 237
 238     InitDB(Cnf, projectB).do_all()
 239
 240 ################################################################################
 241
 242 if __name__ == '__main__':
 243     main()