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docker-check-update: convert to python 3 and juggle output

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neingeist 2018-01-05 13:41:56 +01:00
parent 077d74d9ca
commit 38243e7897
1 changed files with 9 additions and 6 deletions
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15
docker-check-updates
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@ -1,4 +1,4 @@
#!/usr/bin/python
#!/usr/bin/python3
"""Check Docker images for security/distro updates. Assumes DNF."""
from __future__ import division, print_function
@ -16,9 +16,12 @@ for container in c.containers():
print('Image: {} '.format(image_id))
# Not using the API here for simplicity (for now)
subprocess.call(['docker', 'run', '-t', '--rm',
image_id,
'/bin/bash', '-c',
output = subprocess.check_output([
'docker', 'run', '-t', '--rm',
image_id,
'/bin/bash', '-c',
'dnf -q check-update;' +
'if [ $? == 100 ]; then echo "Updates available"; fi'])
'dnf -q check-update;' +
'if [ $? == 100 ]; then echo "Updates available"; fi'
])
print(output.decode())