mirrors/flatcar-scripts
1
0
Fork 0
mirror of https://github.com/flatcar/scripts.git synced 2026-05-04 11:51:14 +02:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #13 from flatcar-linux/dongsu/retry-losetup

Browse Source 
build_library: retry losetup up to 10 seconds
This commit is contained in:
Dongsu Park 2019-06-28 10:18:34 +02:00 committed by GitHub
commit 074a4a4498
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 16 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
build_library/disk_util
View File

@ -11,6 +11,7 @@ import re
import subprocess
import sys
import tempfile
import time
import uuid
# First sector we can use.
@ -433,17 +434,23 @@ def FormatFat(part, device):
def PartitionLoop(options, partition):
"""Allocate (and automatically free) loop devices for a partition."""
loop_dev = subprocess.check_output(['sudo', 'losetup',
'--offset', str(partition['first_byte']),
'--sizelimit', str(partition['bytes']),
'--find', '--show', options.disk_image])
loop_dev = loop_dev.strip()
attempts = 0
try:
yield loop_dev
finally:
Sudo(['losetup', '--detach', loop_dev])
while attempts < 10:
try:
loop_dev = subprocess.check_output(['sudo', 'losetup',
'--offset', str(partition['first_byte']),
'--sizelimit', str(partition['bytes']),
'--find', '--show', options.disk_image])
loop_dev = loop_dev.strip()
yield loop_dev
except:
attempts += 1
time.sleep(1)
finally:
Sudo(['losetup', '--detach', loop_dev])
def FormatPartition(options, part):
print "Formatting partition %s (%s) as %s" % (