def connect(self):
"""Connect to master db.
"""
host = self.gui.getDBhost()
pw = getPw(host, self.dbname, self.dbuser)
if (pw == None):
return False
cData = { u"host" : host,
u"db" : self.dbname,
u"user" : self.dbuser,
u"pw" : pw
}
db = DBm(cData)
if not db.isOpen():
warning(_("Couldn't open master database"))
return False
self.dbm = db
return True
def init(self):
self.db = None
self.gui = GuiWidget(self.settings)
self.gui.show()
c0 = self.gui.cursor()
self.gui.setCursor(QtGui.QCursor(QtCore.Qt.BusyCursor))
# Connect to control database
connectData = getConnectInfo(self.settings, ADMIN)
if not connectData:
return
db = DB(connectData)
self.gui.setCursor(c0)
if not db.isOpen():
error(_("Couldn't open control database"))
return # actually error shouldn't return
self.db = db
self.app.init(self.gui)
# set up lists of available databases, admins, users, etc.
# and initialize the main module
self.cp.init(self.gui, self.db)
def init(self):
self.db = None
self.gui = GuiWidget(self.settings)
self.gui.show()
c0 = self.gui.cursor()
self.gui.setCursor(QtGui.QCursor(QtCore.Qt.BusyCursor))
# Connect to control database
connectData = getConnectInfo(self.settings, ADMIN)
if not connectData:
return
db = DB(connectData)
self.gui.setCursor(c0)
if not db.isOpen():
error(_("Couldn't open control database"))
return # actually error shouldn't return
self.db = db
self.app.init(self.gui)
# set up lists of available databases, admins, users, etc.
# and initialize the main module
self.cp.init(self.gui, self.db)
def go():
gui.report(" ------------------------------------\n")
# Connect to control database
connectData = getConnectInfo(app.settings, "postgres")
if not connectData:
return False
gui.report(_("Connecting to postgres@%s") % connectData[u"host"])
dbzc = connectData[u"db"]
connectData[u"db"] = u"postgres"
dbp = DB(connectData)
if not dbp.isOpen():
error(_("Couldn't open 'postgres' database"))
return False
gui.report(_("Checking existing databases"))
if dbp.read1(u"SELECT datname FROM pg_database WHERE datname = ?",
(dbzc,)):
if not confirmationDialog(_("Remove Control Database?"),
_("The control database (%s) already exists."
" Should it be removed, with everything it contains?")
% dbzc, False):
dbp.close()
return False
connectData[u"db"] = dbzc
userset = set()
try:
# Remove all databases and users
db = DB(connectData)
try:
info = db.read(u"SELECT * FROM databases")
except:
info = None
db.close()
if info:
for id, name, finalized, users in info:
gui.report(_("Removing database '%s'") % name)
dbp.send(u"DROP DATABASE IF EXISTS %s" % name)
userset |= set(users.split())
gui.report(_("Removing database '%s'") % dbzc)
dbp.send(u"DROP DATABASE %s" % dbzc)
except:
#print_exc()
error(_("Couldn't remove old data -"
" summon a PostgreSQL expert:\n%s") % format_exc())
gui.report(_("Trying to remove users ..."))
try:
dbp.send(u"DROP ROLE IF EXISTS %s" % USERROLE)
except:
gui.report(_(" ... couldn't remove user '%s'") % USERROLE)
try:
dbp.send(u"DROP ROLE IF EXISTS %s" % ADMIN)
except:
gui.report(_(" ... couldn't remove user '%s'") % ADMIN)
for u in userset:
try:
dbp.send(u"DROP ROLE IF EXISTS %s" % u)
except:
gui.report(_(" ... couldn't remove user '%s'") % u)
gui.report(_("\nCreating control database"))
dbp.send(u"CREATE DATABASE %s ENCODING 'UTF8'" % dbzc)
dbp.close()
dbp = None
connectData[u"db"] = dbzc
db = DB(connectData)
if not db.isOpen():
error(_("Couldn't open control database"))
return False
try:
setupCDB(db)
except:
db.close()
error(_("Couldn't set up the '%s' database."
" Please try again:\n%s") % (dbzc, format_exc()))
return False
gui.report(_("\nSuccess! The control database is ready."))
gui.report(_(" Now use the control panel (zgcp) to set up"
" report databases."))
db.close()
return True
def go():
gui.report(" ------------------------------------\n")
# Connect to control database
connectData = getConnectInfo(app.settings, "postgres")
if not connectData:
return False
gui.report(_("Connecting to postgres@%s") % connectData[u"host"])
dbzc = connectData[u"db"]
connectData[u"db"] = u"postgres"
dbp = DB(connectData)
if not dbp.isOpen():
error(_("Couldn't open 'postgres' database"))
return False
gui.report(_("Checking existing databases"))
if dbp.read1(u"SELECT datname FROM pg_database WHERE datname = ?",
(dbzc, )):
if not confirmationDialog(
_("Remove Control Database?"),
_("The control database (%s) already exists."
" Should it be removed, with everything it contains?") %
dbzc, False):
dbp.close()
return False
connectData[u"db"] = dbzc
userset = set()
try:
# Remove all databases and users
db = DB(connectData)
try:
info = db.read(u"SELECT * FROM databases")
except:
info = None
db.close()
if info:
for id, name, finalized, users in info:
gui.report(_("Removing database '%s'") % name)
dbp.send(u"DROP DATABASE IF EXISTS %s" % name)
userset |= set(users.split())
gui.report(_("Removing database '%s'") % dbzc)
dbp.send(u"DROP DATABASE %s" % dbzc)
except:
#print_exc()
error(
_("Couldn't remove old data -"
" summon a PostgreSQL expert:\n%s") % format_exc())
gui.report(_("Trying to remove users ..."))
try:
dbp.send(u"DROP ROLE IF EXISTS %s" % USERROLE)
except:
gui.report(_(" ... couldn't remove user '%s'") % USERROLE)
try:
dbp.send(u"DROP ROLE IF EXISTS %s" % ADMIN)
except:
gui.report(_(" ... couldn't remove user '%s'") % ADMIN)
for u in userset:
try:
dbp.send(u"DROP ROLE IF EXISTS %s" % u)
except:
gui.report(_(" ... couldn't remove user '%s'") % u)
gui.report(_("\nCreating control database"))
dbp.send(u"CREATE DATABASE %s ENCODING 'UTF8'" % dbzc)
dbp.close()
dbp = None
connectData[u"db"] = dbzc
db = DB(connectData)
if not db.isOpen():
error(_("Couldn't open control database"))
return False
try:
setupCDB(db)
except:
db.close()
error(
_("Couldn't set up the '%s' database."
" Please try again:\n%s") % (dbzc, format_exc()))
return False
gui.report(_("\nSuccess! The control database is ready."))
gui.report(
_(" Now use the control panel (zgcp) to set up"
" report databases."))
db.close()
return True
