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c7e85db6
编写于
11年前
作者:
G
Guido Günther
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电子邮件补丁
差异文件
hook: log the exit status of the hook not 256
Adjust the docs accordingly. See
http://bugs.debian.org/701570
.
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docs/hooks.html.in
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docs/hooks.html.in
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@@ -239,13 +239,14 @@
<p>
If a hook script returns with an exit code of 0, the libvirt daemon
regards this as successful and performs no logging of it.
</p>
<p>
However, if a hook script returns with a non zero exit code, the libvirt
daemon regards this as a failure, logs it
with return code 256
, and
daemon regards this as a failure, logs it
s return code
, and
additionally logs anything on stderr the hook script returns.
</p>
<p>
For example, a hook script might use this code to indicate failure,
and send a text string to stderr:
</p>
<pre>
echo "Could not find required XYZZY"
>&
2
exit 1
</pre>
<p>
The resulting entry in the libvirt log will appear as:
</p>
<pre>
20:02:40.297: error : virHookCall:416 : Hook script execution failed: Hook script /etc/libvirt/hooks/qemu qemu failed with error code 256:Could not find required XYZZY
</pre>
<pre>
20:02:40.297: error : virHookCall:285 : Hook script execution failed: internal error Child process (LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
HOME=/root USER=root LOGNAME=root /etc/libvirt/hooks/qemu qemu prepare begin -) unexpected exit status 1: Could not find required XYZZY
</pre>
</body>
</html>
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