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installer: Run anaconda in a mount and pid namespace 

Anaconda can leave child processes and mounts around when it crashes or
is canceled before finishing. It also sometimes unmounts unrelated file
systems (https://github.com/rhinstaller/anaconda/issues/1791).

Run it in a mount and pid namespace to clean up after it.
This commit is contained in:
Lars Karlitski 2019-02-01 16:46:50 +01:00
parent 022e9eba3e
commit 6961dce08b
1 changed files with 2 additions and 1 deletions
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3
src/pylorax/installer.py
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@ -382,7 +382,8 @@ def novirt_install(opts, disk_img, disk_size, cancel_func=None):
# Make sure anaconda has the right product and release
log.info("Running anaconda.")
try:
for line in execReadlines("anaconda", args, reset_lang=False,
unshare_args = [ "--pid", "--kill-child", "--mount", "--propagation", "unchanged", "anaconda" ] + args
for line in execReadlines("unshare", unshare_args, reset_lang=False,
env_add={"ANACONDA_PRODUCTNAME": opts.project,
"ANACONDA_PRODUCTVERSION": opts.releasever},
callback=lambda p: not novirt_cancel_check(cancel_funcs, p)):