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setup: properly detect is_chroot on Btrfs (#55089)

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* setup: properly detect is_chroot on Btrfs

Fixes #55006

* Use get_bin_path for stat

* Remove comment
This commit is contained in:
Martin Krizek 2019-04-11 11:24:08 +02:00 • committed by GitHub
commit a40c1ed811
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3 changed files with 16 additions and 4 deletions
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16
lib/ansible/module_utils/facts/system/chroot.py
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@ -8,7 +8,7 @@ import os
from ansible.module_utils.facts.collector import BaseFactCollector
def is_chroot():
def is_chroot(module=None):
is_chroot = None
@ -22,7 +22,17 @@ def is_chroot():
is_chroot = my_root.st_ino != proc_root.st_ino or my_root.st_dev != proc_root.st_dev
except Exception:
# I'm not root or no proc, fallback to checking it is inode #2
is_chroot = (my_root.st_ino != 2)
fs_root_ino = 2
if module is not None:
stat_path = module.get_bin_path('stat')
if stat_path:
cmd = [stat_path, '-f', '--format=%T', '/']
rc, out, err = module.run_command(cmd)
if 'btrfs' in out:
fs_root_ino = 256
is_chroot = (my_root.st_ino != fs_root_ino)
return is_chroot
@ -32,4 +42,4 @@ class ChrootFactCollector(BaseFactCollector):
_fact_ids = set(['is_chroot'])
def collect(self, module=None, collected_facts=None):
return {'is_chroot': is_chroot()}
return {'is_chroot': is_chroot(module)}