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import subprocess
import sys
from unit.check.chroot import check_chroot
from unit.check.go import check_go
from unit.check.isolation import check_isolation
from unit.check.njs import check_njs
from unit.check.node import check_node
from unit.check.regex import check_regex
from unit.check.tls import check_openssl
from unit.check.unix_abstract import check_unix_abstract
from unit.log import Log
from unit.option import option
def discover_available(unit):
output_version = subprocess.check_output(
[unit['unitd'], '--version'], stderr=subprocess.STDOUT
).decode()
# wait for controller start
if Log.wait_for_record(r'controller started') is None:
Log.print_log()
sys.exit("controller didn't start")
# discover modules from log file
for module in Log.findall(r'module: ([a-zA-Z]+) (.*) ".*"$'):
versions = option.available['modules'].setdefault(module[0], [])
if module[1] not in versions:
versions.append(module[1])
# discover modules using check
option.available['modules']['go'] = check_go()
option.available['modules']['njs'] = check_njs(output_version)
option.available['modules']['node'] = check_node()
option.available['modules']['openssl'] = check_openssl(output_version)
option.available['modules']['regex'] = check_regex(output_version)
# Discover features using check. Features should be discovered after
# modules since some features can require modules.
option.available['features']['chroot'] = check_chroot()
option.available['features']['isolation'] = check_isolation()
option.available['features']['unix_abstract'] = check_unix_abstract()
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