[JIRA] (OVIRT-1658) Potential issue coming to CentOS7 slaves (glibc, missing UTF-8 locale)

Wednesday, 20 September 2017

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    [
https://ovirt-jira.atlassian.net/browse/OVIRT-1658?page=com.atlassian.jir...
] 

sbonazzo commented on OVIRT-1658:
---------------------------------

Please open a bug on bugs.centos.org to let them know about the issue

Il 19 Set 2017 18:10, "Barak Korren" <bkorren(a)redhat.com&gt; ha scritto:

...
 Seems there is an issue with locale files in recent CentOS versions,
 and we're hitting it in slaves that have been updated recently.

 The symptoms are that Jenkins disconnects from the slave and then
 refuses to reconnect to it. The agent log in Jenkins shows:

 [09/19/17 15:42:56] [SSH] Connection closed.

 [09/19/17 15:58:48] [SSH] Opening SSH connection to
 vm0002.workers-phx.ovirt.org:22.
 [09/19/17 15:58:48] [SSH] WARNING: SSH Host Keys are not being
 verified. Man-in-the-middle attacks may be possible against this
 connection.

 [09/19/17 15:58:48] [SSH] Authentication successful.
 SSH connection reports a garbage before a command execution.
 Check your .bashrc, .profile, and so on to make sure it is quiet.
 The received junk text is as follows:
 /etc/profile.d/lang.sh: line 19: warning: setlocale: LC_CTYPE: cannot
 change locale (en_US.utf8): No such file or directory
 /etc/profile.d/lang.sh: line 20: warning: setlocale: LC_COLLATE:
 cannot change locale (en_US.utf8): No such file or directory
 /etc/profile.d/lang.sh: line 23: warning: setlocale: LC_MESSAGES:
 cannot change locale (en_US.utf8): No such file or directory
 /etc/profile.d/lang.sh: line 26: warning: setlocale: LC_NUMERIC:
 cannot change locale (en_US.utf8): No such file or directory
 /etc/profile.d/lang.sh: line 29: warning: setlocale: LC_TIME: cannot
 change locale (en_US.utf8): No such file or directory

 null
 [09/19/17 15:58:48] Launch failed - cleaning up connection
 [09/19/17 15:58:48] [SSH] Connection closed.

 The same locale error messages can also be reproduced on the slave by
 running an interactive login from the console or 'su -'. When running
 'locale -a' you can also see the en_US.UTF-8 locale is somehow
 missing.

 Looking around for this I found the following:
 https://github.com/CentOS/sig-cloud-instance-images/issues/71

 I tried downgrading glibc back to the version we had before, but that
 did not seem to resolve the issue. Eventually I managed to resolve it
 by running 'localedef -i en_US -f UTF-8 en_US.UTF-8' on the slave.

 I've seen this happen on 'vm0002.workers-phx.ovirt.org' which is
 attached to the staging Jenkins, but I've no reason to believe this
 won't start impacting production slaves.

 We need to research this further and find out if we need to do
 something to prevent this issue from surfacing on production slaves.

 --
 Barak Korren
 RHV DevOps team , RHCE, RHCi
 Red Hat EMEA
 redhat.com | TRIED. TESTED. TRUSTED. | redhat.com/trusted
 _______________________________________________
 Infra mailing list
 Infra(a)ovirt.org
 http://lists.ovirt.org/mailman/listinfo/infra

...
 Potential issue coming to CentOS7 slaves (glibc, missing UTF-8
locale)
 ----------------------------------------------------------------------

                 Key: OVIRT-1658
                 URL: https://ovirt-jira.atlassian.net/browse/OVIRT-1658
             Project: oVirt - virtualization made easy
          Issue Type: By-EMAIL
            Reporter: Barak Korren
            Assignee: infra

 Seems there is an issue with locale files in recent CentOS versions,
 and we're hitting it in slaves that have been updated recently.
 The symptoms are that Jenkins disconnects from the slave and then
 refuses to reconnect to it. The agent log in Jenkins shows:
 [09/19/17 15:42:56] [SSH] Connection closed.
 [09/19/17 15:58:48] [SSH] Opening SSH connection to
 vm0002.workers-phx.ovirt.org:22.
 [09/19/17 15:58:48] [SSH] WARNING: SSH Host Keys are not being
 verified. Man-in-the-middle attacks may be possible against this
 connection.
 [09/19/17 15:58:48] [SSH] Authentication successful.
 SSH connection reports a garbage before a command execution.
 Check your .bashrc, .profile, and so on to make sure it is quiet.
 The received junk text is as follows:
 /etc/profile.d/lang.sh: line 19: warning: setlocale: LC_CTYPE: cannot
 change locale (en_US.utf8): No such file or directory
 /etc/profile.d/lang.sh: line 20: warning: setlocale: LC_COLLATE:
 cannot change locale (en_US.utf8): No such file or directory
 /etc/profile.d/lang.sh: line 23: warning: setlocale: LC_MESSAGES:
 cannot change locale (en_US.utf8): No such file or directory
 /etc/profile.d/lang.sh: line 26: warning: setlocale: LC_NUMERIC:
 cannot change locale (en_US.utf8): No such file or directory
 /etc/profile.d/lang.sh: line 29: warning: setlocale: LC_TIME: cannot
 change locale (en_US.utf8): No such file or directory
 null
 [09/19/17 15:58:48] Launch failed - cleaning up connection
 [09/19/17 15:58:48] [SSH] Connection closed.
 The same locale error messages can also be reproduced on the slave by
 running an interactive login from the console or 'su -'. When running
 'locale -a' you can also see the en_US.UTF-8 locale is somehow
 missing.
 Looking around for this I found the following:
 https://github.com/CentOS/sig-cloud-instance-images/issues/71
 I tried downgrading glibc back to the version we had before, but that
 did not seem to resolve the issue. Eventually I managed to resolve it
 by running 'localedef -i en_US -f UTF-8 en_US.UTF-8' on the slave.
 I've seen this happen on 'vm0002.workers-phx.ovirt.org' which is
 attached to the staging Jenkins, but I've no reason to believe this
 won't start impacting production slaves.
 We need to research this further and find out if we need to do
 something to prevent this issue from surfacing on production slaves.
 -- 
 Barak Korren
 RHV DevOps team , RHCE, RHCi
 Red Hat EMEA
 redhat.com | TRIED. TESTED. TRUSTED. | redhat.com/trusted 

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<pre>[
https://ovirt-jira.atlassian.net/browse/OVIRT-1658?page=com.atlassian.jir...
]</pre>
<h3>sbonazzo commented on OVIRT-1658:</h3>
<p>Please open a bug on bugs.centos.org to let them know about the issue</p>
<p>Il 19 Set 2017 18:10, &ldquo;Barak Korren&rdquo;
&amp;lt;bkorren(a)redhat.com&amp;gt; ha scritto:</p>
<blockquote><p>Seems there is an issue with locale files in recent CentOS
versions, and we're hitting it in slaves that have been updated recently.</p>
<p>The symptoms are that Jenkins disconnects from the slave and then refuses to
reconnect to it. The agent log in Jenkins shows:</p>
<p>[09/19/17 15:42:56] [SSH] Connection closed.</p>
<p>[09/19/17 15:58:48] [SSH] Opening SSH connection to
vm0002.workers-phx.ovirt.org:22. [09/19/17 15:58:48] [SSH] WARNING: SSH Host Keys are not
being verified. Man-in-the-middle attacks may be possible against this
connection.</p>
<p>[09/19/17 15:58:48] [SSH] Authentication successful. SSH connection reports a
garbage before a command execution. Check your .bashrc, .profile, and so on to make sure
it is quiet. The received junk text is as follows: /etc/profile.d/lang.sh: line 19:
warning: setlocale: LC_CTYPE: cannot change locale (en_US.utf8): No such file or directory
/etc/profile.d/lang.sh: line 20: warning: setlocale: LC_COLLATE: cannot change locale
(en_US.utf8): No such file or directory /etc/profile.d/lang.sh: line 23: warning:
setlocale: LC_MESSAGES: cannot change locale (en_US.utf8): No such file or directory
/etc/profile.d/lang.sh: line 26: warning: setlocale: LC_NUMERIC: cannot change locale
(en_US.utf8): No such file or directory /etc/profile.d/lang.sh: line 29: warning:
setlocale: LC_TIME: cannot change locale (en_US.utf8): No such file or
directory</p>
<p>null [09/19/17 15:58:48] Launch failed &ndash; cleaning up connection
[09/19/17 15:58:48] [SSH] Connection closed.</p>
<p>The same locale error messages can also be reproduced on the slave by running an
interactive login from the console or &lsquo;su -&rsquo;. When running
&lsquo;locale -a&rsquo; you can also see the en_US.UTF-8 locale is somehow
missing.</p>
<p>Looking around for this I found the following: <a
href="https://github.com/CentOS/sig-cloud-instance-images/issues/71&...
<p>I tried downgrading glibc back to the version we had before, but that did not
seem to resolve the issue. Eventually I managed to resolve it by running
&lsquo;localedef -i en_US -f UTF-8 en_US.UTF-8&rsquo; on the slave.</p>
<p>I've seen this happen on &lsquo;vm0002.workers-phx.ovirt.org&rsquo;
which is attached to the staging Jenkins, but I've no reason to believe this won't
start impacting production slaves.</p>
<p>We need to research this further and find out if we need to do something to
prevent this issue from surfacing on production slaves.</p>
<p>&mdash; Barak Korren RHV DevOps team , RHCE, RHCi Red Hat EMEA redhat.com |
TRIED. TESTED. TRUSTED. | redhat.com/trusted
<em>____________________________________________</em>_ Infra mailing list
Infra(a)ovirt.org <a
href="http://lists.ovirt.org/mailman/listinfo/infra">http://...
<h3>Potential issue coming to CentOS7 slaves (glibc, missing UTF-8
locale)</h3>
<pre>     Key: OVIRT-1658
     URL: https://ovirt-jira.atlassian.net/browse/OVIRT-1658
 Project: oVirt - virtualization made easy
         Issue Type: By-EMAIL
Reporter: Barak Korren
Assignee: infra</pre>
<p>Seems there is an issue with locale files in recent CentOS versions, and
we're hitting it in slaves that have been updated recently. The symptoms are that
Jenkins disconnects from the slave and then refuses to reconnect to it. The agent log in
Jenkins shows: [09/19/17 15:42:56] [SSH] Connection closed. [09/19/17 15:58:48] [SSH]
Opening SSH connection to vm0002.workers-phx.ovirt.org:22. [09/19/17 15:58:48] [SSH]
WARNING: SSH Host Keys are not being verified. Man-in-the-middle attacks may be possible
against this connection. [09/19/17 15:58:48] [SSH] Authentication successful. SSH
connection reports a garbage before a command execution. Check your .bashrc, .profile, and
so on to make sure it is quiet. The received junk text is as follows:
/etc/profile.d/lang.sh: line 19: warning: setlocale: LC_CTYPE: cannot change locale
(en_US.utf8): No such file or directory /etc/profile.d/lang.sh: line 20: warning:
setlocale: LC_COLLATE: cannot change locale (en_US.utf8): No such file or directory
/etc/profile.d/lang.sh: line 23: warning: setlocale: LC_MESSAGES: cannot change locale
(en_US.utf8): No such file or directory /etc/profile.d/lang.sh: line 26: warning:
setlocale: LC_NUMERIC: cannot change locale (en_US.utf8): No such file or directory
/etc/profile.d/lang.sh: line 29: warning: setlocale: LC_TIME: cannot change locale
(en_US.utf8): No such file or directory null [09/19/17 15:58:48] Launch failed &ndash;
cleaning up connection [09/19/17 15:58:48] [SSH] Connection closed. The same locale error
messages can also be reproduced on the slave by running an interactive login from the
console or &lsquo;su -&rsquo;. When running &lsquo;locale -a&rsquo; you
can also see the en_US.UTF-8 locale is somehow missing. Looking around for this I found
the following: <a
href="https://github.com/CentOS/sig-cloud-instance-images/issues/71&...
I tried downgrading glibc back to the version we had before, but that did not seem to
resolve the issue. Eventually I managed to resolve it by running &lsquo;localedef -i
en_US -f UTF-8 en_US.UTF-8&rsquo; on the slave. I've seen this happen on
&lsquo;vm0002.workers-phx.ovirt.org&rsquo; which is attached to the staging
Jenkins, but I've no reason to believe this won't start impacting production
slaves. We need to research this further and find out if we need to do something to
prevent this issue from surfacing on production slaves. &mdash; Barak Korren RHV
DevOps team , RHCE, RHCi Red Hat EMEA redhat.com | TRIED. TESTED. TRUSTED. |
redhat.com/trusted</p></blockquote>
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