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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
'''
Environment setup script for MediaServer
'''
import imp
import os
import sys
import traceback
import utils
from utils import log
class EnvSetup():
PY_SETUP_NAME = '0_setup.py'
BASH_SETUP_NAME = '0_setup.sh'
def __init__(self, *args):
args = list(args)
# Check current dir
root_dir = utils.get_dir(__file__)
if root_dir != '':
os.chdir(root_dir)
# Add to python path
if root_dir not in sys.path:
sys.path.append(root_dir)
# Get available actions
self.root_dir = root_dir
names = os.listdir(root_dir)
self.actions = list()
for name in names:
path = os.path.join(root_dir, name)
if os.path.isdir(path):
try:
index = int(name.split('.')[0])
except ValueError:
continue
label = name[len(str(index)) + 1:].strip()
if not label:
log('No label found for dir %s.' % name)
continue
if os.path.isfile(os.path.join(path, self.PY_SETUP_NAME)):
setup_module = imp.load_source('setup_%s' % name, os.path.join(path, self.PY_SETUP_NAME))
self.actions.append(dict(index=index, label=label, path=path, fct=setup_module.setup))
elif os.path.isfile(os.path.join(path, self.BASH_SETUP_NAME)):
self.actions.append(dict(index=index, label=label, path=path, fct='bash -e "%s"' % os.path.join(path, self.BASH_SETUP_NAME)))
else:
self.actions.append(dict(index=index, label=label, path=path, fct=None))
self.actions.sort(key=lambda a: a['index'])
if not self.actions:
log('No action available.')
sys.exit(1)
# Check that this script is run by root
debug = '-d' in args
if debug:
args.remove('-d')
code, out = utils.exec_cmd(['whoami'], get_out=True)
if out != 'root' and not debug:
log('This script should be run as root user.')
sys.exit(1)
# Load conf
utils.load_conf()
if args:
# Run command
for arg in args:
self.run(arg, interactive=False)
else:
# Open main menu
self.menu()
def display_header(self):
log('\033[96m-------------------------------------\033[0m')
log('\033[96m- Environment setup for MediaServer -\033[0m')
log('\033[96m-------------------------------------\033[0m')
def menu(self):
# Show main menu
log('Actions:')
for action in self.actions:
if action['fct']:
log(' %s: %s' % (action['index'], action['label']))
else:
log(' \033[1;94m%s\033[0m' % (action['label']))
log('')
log(' t: Run tests')
log(' c: Configuration status')
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log(' e: Exit\n')
log('Info:')
log('\033[0;36m To setup a system entirely for a determined purpose (Worker, MS, CM, ...), you can use envsetup-launcher:\033[0m')
log('\033[0;36m bash /root/envsetup/envsetup-launcher.sh\033[0m')
log('\nWhat action do you want to start ?')
try:
target = input('---> ').strip()
except (KeyboardInterrupt, EOFError):
log('')
target = 'e'
self.run(target)
def run(self, target, interactive=True):
if target == 'e':
log('Exit')
sys.exit(0)
exit_code = 0
if target == 't':
# Run tests
path = os.path.join(self.root_dir, 'tests')
if not os.path.isdir(path):
exit_code = 1
log('The tests dir is missing (%s).' % path)
else:
os.chdir(path)
names = os.listdir(path)
names.sort()
results = list()
for name in names:
log('\033[1;95m-- Test "%s" --\033[0;0m' % name)
test_path = os.path.join(path, name)
try:
code = utils.exec_cmd(test_path)
if code != 0:
raise Exception('Command exited with code %s.' % code)
except Exception as e:
exit_code = 1
log(e)
results.append((False, test_path))
else:
results.append((True, test_path))
log('\nTests results:')
for success, test_path in results:
if success:
log(' %s: \033[92msuccess\033[0m' % test_path)
else:
log(' %s: \033[91mfailure\033[0m' % test_path)
elif target == 'c':
# Display current configuration
log('Configuration status:')
override = utils.get_conf('_override')
if not override:
log('Configuration status not available.')
else:
log('Is default | Name | Value')
for name, is_overriden in override.items():
is_default = '\033[93m no ' if is_overriden else '\033[94m yes'
log('%s\033[0m | \033[95m%s\033[0m | \033[96m%s\033[0m' % (is_default, name, utils.get_conf(name)))
else:
# Run an action
found = False
for action in self.actions:
if target == str(action['index']) and action['fct']:
found = True
log('Starting action %s: %s setup.' % (action['index'], action['label']))
log('Please wait, the setup is in progress... ')
try:
os.chdir(action['path'])
if isinstance(action['fct'], str):
else:
action['fct'](interactive)
except Exception as e:
exit_code = 1
if isinstance(action['fct'], str):
log(action['fct'])
else:
log(traceback.format_exc())
log('Unable to setup %s:\n%s\n' % (action['label'], e))
else:
log('%s setup complete.\n' % action['label'])
os.chdir(self.root_dir)
break
if not found:
exit_code = 1
log('Invalid action requested: "%s".' % target)
if interactive:
try:
input('Press enter to continue.')
except (KeyboardInterrupt, EOFError):
log('')
sys.exit(exit_code)
self.menu()
else:
sys.exit(exit_code)
if __name__ == '__main__':
EnvSetup(*sys.argv[1:])