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'''Admin interface for dynamic reports'''
import Bcfg2.Logger
import Bcfg2.Server.Admin
import ConfigParser
import os
import logging
import pickle
import platform
import sys
from Bcfg2.Server.Reports.importscript import load_stats
from Bcfg2.Server.Reports.updatefix import update_database
from Bcfg2.Server.Reports.utils import *
from lxml.etree import XML, XMLSyntaxError
try:
from hashlib import md5
except ImportError:
from md5 import md5
# Load django
import django.core.management
# FIXME - settings file uses a hardcoded path for /etc/bcfg2.conf
try:
import Bcfg2.Server.Reports.settings
except Exception, e:
sys.stderr.write("Failed to load configuration settings. %s\n" % e)
sys.exit(1)
project_directory = os.path.dirname(Bcfg2.Server.Reports.settings.__file__)
project_name = os.path.basename(project_directory)
sys.path.append(os.path.join(project_directory, '..'))
project_module = __import__(project_name, '', '', [''])
sys.path.pop()
# Set DJANGO_SETTINGS_MODULE appropriately.
os.environ['DJANGO_SETTINGS_MODULE'] = '%s.settings' % project_name
from django.db import connection
from Bcfg2.Server.Reports.reports.models import Client, Interaction, Entries, \
Entries_interactions, Performance, \
Reason, Ping, TYPE_CHOICES, InternalDatabaseVersion
class Reports(Bcfg2.Server.Admin.Mode):
'''Admin interface for dynamic reports'''
__shorthelp__ = "Manage dynamic reports"
__longhelp__ = (__shorthelp__)
__usage__ = ("bcfg2-admin reports [command] [options]\n"
" -v|--verbose Be verbose\n"
" -q|--quiet Print only errors\n"
"\n"
" Commands:\n"
" init Initialize the database\n"
" load_stats Load statistics data\n"
" -s|--stats Path to statistics.xml file\n"
" -c|--clients-file Path to clients.xml file\n"
" -O3 Fast mode. Duplicates data!\n"
" scrub Scrub the database for duplicate reasons\n"
" update Apply any updates to the reporting database\n"
"\n")
def __init__(self, cfile):
Bcfg2.Server.Admin.Mode.__init__(self, cfile)
self.log.setLevel(logging.INFO)
self.django_commands = [ 'syncdb', 'sqlall', 'validate' ]
self.__usage__ = self.__usage__ + " Django commands:\n " + \
"\n ".join(self.django_commands)
def __call__(self, args):
Bcfg2.Server.Admin.Mode.__call__(self, args)
if len(args) == 0 or args[0] == '-h':
print(self.__usage__)
raise SystemExit(0)
verb = 0
if '-v' in args or '--verbose' in args:
self.log.setLevel(logging.DEBUG)
verb = 1
if '-q' in args or '--quiet' in args:
self.log.setLevel(logging.WARNING)
# FIXME - dry run
if args[0] in self.django_commands:
self.django_command_proxy(args[0])
elif args[0] == 'scrub':
self.scrub()
elif args[0] == 'init':
update_database()
elif args[0] == 'update':
update_database()
elif args[0] == 'load_stats':
quick = '-O3' in args
stats_file=None
clients_file=None
i=1
while i < len(args):
if args[i] == '-s' or args[i] == '--stats':
stats_file = args[i+1]
if stats_file[0] == '-':
self.errExit("Invalid statistics file: %s" % stats_file)
elif args[i] == '-c' or args[i] == '--clients-file':
clients_file = args[i+1]
if clients_file[0] == '-':
self.errExit("Invalid clients file: %s" % clients_file)
i = i + 1
self.load_stats(stats_file, clients_file, verb, quick)
else:
print "Unknown command: %s" % args[0]
def scrub(self):
''' Perform a thorough scrub and cleanup of the database '''
# Currently only reasons are a problem
try:
start_count = Reason.objects.count()
except Exception, e:
self.log.error("Failed to load reason objects: %s" % e)
return
dup_reasons = []
cmp_reasons = dict()
batch_update = []
for reason in BatchFetch(Reason.objects):
''' Loop through each reason and create a key out of the data. \
This lets us take advantage of a fast hash lookup for \
comparisons '''
id = reason.id
reason.id = None
key=md5(pickle.dumps(reason)).hexdigest()
reason.id = id
if key in cmp_reasons:
self.log.debug("Update interactions from %d to %d" \
% (reason.id, cmp_reasons[key]))
dup_reasons.append(reason.id)
batch_update.append([cmp_reasons[key], reason.id])
else:
cmp_reasons[key] = reason.id
self.log.debug("key %d" % reason.id)
self.log.debug("Done with updates, deleting dupes")
try:
cursor = connection.cursor()
cursor.executemany('update reports_entries_interactions set reason_id=%s where reason_id=%s', batch_update)
cursor.executemany('delete from reports_reason where id = %s', dup_reasons)
except Exception, ex:
self.log.error("Failed to delete reasons: %s" % ex)
self.log.info("Found %d dupes out of %d" % (len(dup_reasons), start_count))
def django_command_proxy(self, command):
'''Call a django command'''
if command == 'sqlall':
django.core.management.call_command(command, 'reports')
else:
django.core.management.call_command(command)
def load_stats(self, stats_file=None, clientspath=None, verb=0, quick=False):
'''Load statistics data into the database'''
location = ''
if not stats_file:
try:
stats_file = "%s/etc/statistics.xml" % self.cfp.get('server', 'repository')
except (ConfigParser.NoSectionError, ConfigParser.NoOptionError):
self.errExit("Could not read bcfg2.conf; exiting")
try:
statsdata = XML(open(stats_file).read())
except (IOError, XMLSyntaxError):
self.errExit("StatReports: Failed to parse %s"%(stats_file))
if not clientspath:
try:
clientspath = "%s/Metadata/clients.xml" % \
self.cfp.get('server', 'repository')
except (ConfigParser.NoSectionError, ConfigParser.NoOptionError):
self.errExit("Could not read bcfg2.conf; exiting")
try:
clientsdata = XML(open(clientspath).read())
except (IOError, XMLSyntaxError):
self.errExit("StatReports: Failed to parse %s"%(clientspath))
load_stats(clientsdata, statsdata, verb, self.log, quick=quick, location=platform.node())
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