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@PYTHON@
import json, os, shutil, sys, time
from pyhocon import ConfigFactory
script_dir = os.path.dirname(os.path.realpath(__file__))
profile = sys.argv[1]
# path to the profile config file
profile_conf = os.path.join(script_dir, '..', 'profiles', profile + '.conf')
# where we store profile's builds
profile_dir = os.path.join(script_dir, 'profile')
builds = ConfigFactory.parse_file(profile_conf)['builds']
# clean out any old builds
if os.path.exists(profile_dir):
shutil.rmtree(profile_dir)
os.makedirs(profile_dir)
# func to fold dict down to scalar
def fold(dict, fmt):
a = []
for k, v in dict.items():
if v == True:
a.append(k)
elif not (v == None or v == False):
a.append(fmt.format(k, v))
return ','.join(str(x) for x in a)
# fold these dicts vars down to scalar, based on item values
fold_dicts = {
'ami_access': '{0}',
'ami_regions': '{0}',
'repos': '@{1} {0}',
'pkgs': '{0}@{1}'
}
# parse/resolve HOCON profile config, we need just the 'builds' portion
# for each build
for bk, b in builds.items():
# make profile build directory
build_dir = os.path.join(profile_dir, bk)
os.makedirs(build_dir)
vars_file = os.path.join(build_dir, 'vars.json')
# populate profile build vars
b['profile'] = profile
b['profile_build'] = bk
# edge-related temporal substitutions
if b['end_of_life'] == '@TODAY@':
b['end_of_life'] = time.strftime('%Y-%m-%d', time.gmtime())
if b['revision'] == '@NOW@':
b['revision'] = time.strftime('%Y%m%d%H%M%S', time.gmtime())
# fold dict vars to scalars
for dk, fmt in fold_dicts.items():
b[dk] = fold(b[dk], fmt)
# fold 'svcs' dict to scalar
svcs = {}
for svc, v in b['svcs'].items():
if v == True:
# service in default runlevel
svcs['default'].append(svc)
elif not (v == None or v == False):
# service in specified runlevel (skip svc when false/null)
if v not in svcs.keys():
svcs[v] = []
svcs[v].append(svc)
b['svcs'] = ':'.join(str(l) + '=' + ','.join(str(s) for s in ss) for l, ss in svcs.items())
# write build def json file
with open(vars_file, 'w') as out:
json.dump(b, out, indent=4, separators=(',', ': '))
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