Le 19/08/2016 à 13:19, Frank Thommen a écrit :
> Dear all,
>
> doing my first steps with ansible I noticed, that on some clients
> executing playbooks completely hangs. The common problem on these
> hosts is, that they are either swapping (even very small amounts of
> swap used) or they have problems with hanging/not responding NFS
> filesystems. In all cases, these two problems appeared together.
> Therefore I cannot say, which is the problematic issue.
>
> However all local filesystems are perfectly ok and responding and
> working. The system over-all is also working fine.
>
> Running even the simplest playbooks on these hosts hangs completely,
> even though the playbooks don't access the problematic filesystems.
> Running the same commands as ad-hoc commands, works fine:
>
> $ ansible buggyhost -m shell -a '/bin/ls' --key=id_rsa
> buggyhost | SUCCESS | rc=0 >>
> [... `/bin/ls` output here..]
>
> $
>
> ... but ...
>
> $ ansible-playbook ls.yml --extra-vars "target=buggyhost"
> --private-key=id_rsa
>
> PLAY [buggyhost]
> ***************************************************************
>
> TASK [setup]
> *******************************************************************
> [...and here it hangs...]
> ^C
> $
>
> using -vvv doesn't really help:
>
>
> $ ansible-playbook -vvv ls.yml --extra-vars "target=buggyhost"
> --private-key=id_rsa
> Using /root/ansible-config/ansible.cfg as config file
>
> PLAYBOOK: ls.yml
> ***************************************************************
> 1 plays in ls.yml
>
> PLAY [buggyhost]
> ***************************************************************
>
> TASK [setup]
> *******************************************************************
> Using module file
> /root/ansible/ansible/lib/ansible/modules/core/system/setup.py
> <buggyhost> ESTABLISH SSH CONNECTION FOR USER: None
> <buggyhost> SSH: EXEC ssh -q -C -o ControlMaster=auto -o
> ControlPersist=60s -o StrictHostKeyChecking=no -o
> 'IdentityFile="id_rsa"' -o KbdInteractiveAuthentication=no -o
> PreferredAuthentications=gssapi-with-mic,gssapi-keyex,hostbased,publickey
> -o PasswordAuthentication=no -o ConnectTimeout=10 -o
> ControlPath=/root/.ansible/cp/ansible-ssh-%h-%p-%r buggyhost '/bin/sh
> -c '"'"'( umask 77 && mkdir -p "` echo
> $HOME/.ansible/tmp/ansible-tmp-1471604358.1-265208088531534 `" && echo
> ansible-tmp-1471604358.1-265208088531534="` echo
> $HOME/.ansible/tmp/ansible-tmp-1471604358.1-265208088531534 `" ) &&
> sleep 0'"'"''
> <buggyhost> PUT /tmp/tmp7cAXoN TO
> /root/.ansible/tmp/ansible-tmp-1471604358.1-265208088531534/setup.py
> <buggyhost> SSH: EXEC sftp -b - -C -o ControlMaster=auto -o
> ControlPersist=60s -o StrictHostKeyChecking=no -o
> 'IdentityFile="id_rsa"' -o KbdInteractiveAuthentication=no -o
> PreferredAuthentications=gssapi-with-mic,gssapi-keyex,hostbased,publickey
> -o PasswordAuthentication=no -o ConnectTimeout=10 -o
> ControlPath=/root/.ansible/cp/ansible-ssh-%h-%p-%r '[buggyhost]'
> <buggyhost> ESTABLISH SSH CONNECTION FOR USER: None
> <buggyhost> SSH: EXEC ssh -q -C -o ControlMaster=auto -o
> ControlPersist=60s -o StrictHostKeyChecking=no -o
> 'IdentityFile="id_rsa"' -o KbdInteractiveAuthentication=no -o
> PreferredAuthentications=gssapi-with-mic,gssapi-keyex,hostbased,publickey
> -o PasswordAuthentication=no -o ConnectTimeout=10 -o
> ControlPath=/root/.ansible/cp/ansible-ssh-%h-%p-%r buggyhost '/bin/sh
> -c '"'"'chmod -R u+x
> /root/.ansible/tmp/ansible-tmp-1471604358.1-265208088531534/ && sleep
> 0'"'"''
> <buggyhost> ESTABLISH SSH CONNECTION FOR USER: None
> <buggyhost> SSH: EXEC ssh -q -C -o ControlMaster=auto -o
> ControlPersist=60s -o StrictHostKeyChecking=no -o
> 'IdentityFile="id_rsa"' -o KbdInteractiveAuthentication=no -o
> PreferredAuthentications=gssapi-with-mic,gssapi-keyex,hostbased,publickey
> -o PasswordAuthentication=no -o ConnectTimeout=10 -o
> ControlPath=/root/.ansible/cp/ansible-ssh-%h-%p-%r -tt buggyhost
> '/bin/sh -c '"'"'/usr/bin/python
> /root/.ansible/tmp/ansible-tmp-1471604358.1-265208088531534/setup.py;
> rm -rf "/root/.ansible/tmp/ansible-tmp-1471604358.1-265208088531534/"
> > /dev/null 2>&1 && sleep 0'"'"''
> ^C
> $
>
> The playbook being
>
> $ cat ls.yml
> ---
> - hosts: '{{ target }}'
> tasks:
> - name: Run ls
> shell: /bin/ls
> $
>
>
> I am using asible 2.2.0 (devel 3afe50dfe2). Server and clients are
> running openSuSE 13.1.
>
> Any idea, why playbooks hang in this situation?
>
> Cheers
> frank
The first task ansible is doing is gathering facts.... In facts there
are mounted filesystems, so the NFS one too
Regards,
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