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fix error checking if netns exists (#47397)

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This patch fixes an error that occurs when attempting to see if the
netns already exists on the remote device.  This change will now execute
`ip netns list` and check if the desired namespace is in the output.

Signed-off-by: Peter Sprygada <psprygada@ansible.com>
This commit is contained in:
Peter Sprygada 2018-10-22 12:58:48 -05:00 committed by Nathaniel Case
parent a66d5ccf03
commit 299a5e4af3
1 changed files with 5 additions and 3 deletions
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8
lib/ansible/modules/net_tools/ip_netns.py
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@ -61,6 +61,7 @@ RETURN = '''
'''
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils._text import to_text
class Namespace(object):
@ -77,9 +78,10 @@ class Namespace(object):
def exists(self):
'''Check if the namespace already exists'''
rtc, out, err = self._netns(['exec', self.name, 'ls'])
if rtc != 0:
self.module.fail_json(msg=err)
rc, out, err = self.module.run_command('ip netns list')
if rc != 0:
self.module.fail_json(msg=to_text(err))
return self.name in out
def add(self):
'''Create network namespace'''