surok/surok.py
2016-10-11 12:17:58 +03:00

83 lines
1.8 KiB
Python
Executable File

#!/usr/bin/python3
from time import sleep
import os
from os import listdir
from os.path import isfile, join
import json
from surok.templates import gen
from surok.discovery import resolve
from surok.system import reload_conf
import argparse
# Load base configurations
surok_conf = '/etc/surok/conf/surok.json'
# Command line arguments
parser = argparse.ArgumentParser()
parser.add_argument('-c', '--config')
args = parser.parse_args()
if args.config:
surok_conf = args.config
# Read config file
f = open(surok_conf, 'r')
conf = json.loads(f.read())
f.close()
# Get app configurations
# Return list of patches to app discovery configuration
def get_configs():
confs = [f for f in listdir(conf['confd']) if isfile(
join(conf['confd'], f))]
return confs
# Get Surok App configuration
# Read app conf from file and return dict
def load_app_conf(app):
# Load OS environment to app_conf
f = open(conf['confd'] + '/' + app)
c = json.loads(f.read())
f.close()
c['env'] = os.environ
return c
# Main loop
###########
# Bad hack for detect first run
# On host system set it to False
# TODO: put it to config
first = True
while 1:
confs = get_configs()
for app in confs:
app_conf = load_app_conf(app)
# Will be removed later
# For old configs
try:
loglevel = conf['loglevel']
except:
conf['loglevel'] = 'info'
# Resolve services
app_hosts = resolve(app_conf, conf)
# Populate my dictionary
my = {"services": app_hosts,
"conf_name": app_conf['conf_name']}
# Generate config from template
service_conf = gen(my, app_conf['template'])
first = reload_conf(service_conf, app_conf, first, conf)
sleep(conf['wait_time'])