shlax/shlax/targets/localhost.py
2020-02-16 19:28:38 +01:00

72 lines
2.0 KiB
Python

import os
import re
from shlax.proc import Proc
from ..strategies.script import Script
class Localhost(Script):
root = '/'
def shargs(self, *args, **kwargs):
user = kwargs.pop('user', None)
args = [str(arg) for arg in args if args is not None]
if args and ' ' in args[0]:
if len(args) == 1:
args = ['sh', '-euc', args[0]]
else:
args = ['sh', '-euc'] + list(args)
if user == 'root':
args = ['sudo'] + args
elif user:
args = ['sudo', '-u', user] + args
if self.parent:
return self.parent.shargs(*args, **kwargs)
else:
return args, kwargs
async def exec(self, *args, **kwargs):
if 'debug' not in kwargs:
kwargs['debug'] = getattr(self, 'call_kwargs', {}).get('debug', False)
kwargs.setdefault('output', self.output)
args, kwargs = self.shargs(*args, **kwargs)
proc = await Proc(*args, **kwargs)()
if kwargs.get('wait', True):
await proc.wait()
return proc
async def rexec(self, *args, **kwargs):
kwargs['user'] = 'root'
return await self.exec(*args, **kwargs)
async def env(self, name):
return (await self.exec('echo $' + name)).out
async def which(self, *cmd):
"""
Return the first path to the cmd in the container.
If cmd argument is a list then it will try all commands.
"""
proc = await self.exec('type ' + ' '.join(cmd), raises=False)
result = []
for res in proc.out.split('\n'):
match = re.match('([^ ]+) is ([^ ]+)$', res.strip())
if match:
result.append(match.group(1))
return result
async def copy(self, *args):
args = ['cp', '-ra'] + list(args)
return await self.exec(*args)
async def mount(self, *dirs):
pass
async def mkdir(self, *dirs):
return await self.exec(*['mkdir', '-p'] + list(dirs))