mirror of
https://github.com/kevingruesser/bootstrap-vz.git
synced 2025-08-24 07:26:29 +00:00
33 lines
1.3 KiB
Python
33 lines
1.3 KiB
Python
from bootstrapvz.base import Task
|
|
from .. import phases
|
|
from ..exceptions import TaskError
|
|
|
|
|
|
class CheckExternalCommands(Task):
|
|
description = 'Checking availability of external commands'
|
|
phase = phases.validation
|
|
|
|
@classmethod
|
|
def run(cls, info):
|
|
import re
|
|
import os
|
|
import logging
|
|
from distutils.spawn import find_executable
|
|
missing_packages = []
|
|
log = logging.getLogger(__name__)
|
|
for command, package in info.host_dependencies.items():
|
|
log.debug('Checking availability of ' + command)
|
|
path = find_executable(command)
|
|
if path is None or not os.access(path, os.X_OK):
|
|
if re.match('^https?:\/\/', package):
|
|
msg = ('The command `{command}\' is not available, '
|
|
'you can download the software at `{package}\'.'
|
|
.format(command=command, package=package))
|
|
else:
|
|
msg = ('The command `{command}\' is not available, '
|
|
'it is located in the package `{package}\'.'
|
|
.format(command=command, package=package))
|
|
missing_packages.append(msg)
|
|
if len(missing_packages) > 0:
|
|
msg = '\n'.join(missing_packages)
|
|
raise TaskError(msg)
|