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Simplify imports

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This commit is contained in:
Anders Ingemann 2013-06-27 23:29:41 +02:00
parent b92f70e548
commit f80b56b02f
2 changed files with 7 additions and 15 deletions
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2
providers/ec2/tasks/bootstrap.py
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@ -44,7 +44,7 @@ class Bootstrap(Task):
executable, options, arguments = get_bootstrap_args(info)
if hasattr(info, 'tarball'):
options.extend(['--unpack-tarball=' + info.tarball])
command = executable + options + arguments
command = executable + options + ['--make-tarball=' + info.tarball] + arguments
if log_command(command, log) != 0:
raise TaskError('Unable to bootstrap')

20
providers/ec2/tasks/filesystem.py
View file

@ -1,6 +1,8 @@
from base import Task
from common import phases
from common.exceptions import TaskError
import subprocess
import os
class FormatVolume(Task):
@ -8,11 +10,9 @@ class FormatVolume(Task):
phase = phases.volume_preparation
def run(self, info):
import subprocess
from os import devnull
dev_path = info.bootstrap_device['path']
mkfs = '/sbin/mkfs.{fs}'.format(fs=info.manifest.volume['filesystem'])
with open(devnull, 'w') as dev_null:
with open(os.devnull, 'w') as dev_null:
subprocess.check_call([mkfs, dev_path], stdout=dev_null, stderr=dev_null)
@ -22,11 +22,9 @@ class TuneVolumeFS(Task):
after = [FormatVolume]
def run(self, info):
import subprocess
from os import devnull
dev_path = info.bootstrap_device['path']
# Disable the time based filesystem check
with open(devnull, 'w') as dev_null:
with open(os.devnull, 'w') as dev_null:
subprocess.check_call(['/sbin/tune2fs', '-i', '0', dev_path], stdout=dev_null, stderr=dev_null)
@ -44,7 +42,6 @@ class CreateMountDir(Task):
phase = phases.volume_mounting
def run(self, info):
import os
mount_dir = info.manifest.bootstrapper['mount_dir']
info.root = '{mount_dir}/{vol_id}'.format(mount_dir=mount_dir, vol_id=info.volume.id)
# Works recursively, fails if last part exists, which is exaclty what we want.
@ -63,10 +60,8 @@ class MountVolume(Task):
msg = 'Something is already mount at {root}'.format(root=info.root)
raise TaskError(msg)
import subprocess
from os import devnull
dev_path = info.bootstrap_device['path']
with open(devnull, 'w') as dev_null:
with open(os.devnull, 'w') as dev_null:
subprocess.check_call(['mount', dev_path, info.root], stdout=dev_null, stderr=dev_null)
@ -75,9 +70,7 @@ class UnmountVolume(Task):
phase = phases.volume_unmounting
def run(self, info):
import subprocess
from os import devnull
with open(devnull, 'w') as dev_null:
with open(os.devnull, 'w') as dev_null:
subprocess.check_call(['umount', info.root], stdout=dev_null, stderr=dev_null)
@ -87,6 +80,5 @@ class DeleteMountDir(Task):
after = [UnmountVolume]
def run(self, info):
import os
os.rmdir(info.root)
del info.root