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Export LXC_TARGET env variable in stop hook

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Signed-off-by: Stéphane Graber <stgraber@ubuntu.com>
Acked-by: Serge E. Hallyn <serge.hallyn@ubuntu.com>
This commit is contained in:
Stéphane Graber 2015-12-03 00:52:58 -05:00
parent 114387972a
commit c154af98c1
2 changed files with 22 additions and 1 deletions
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14
doc/lxc.container.conf.sgml.in
View File

@ -1566,7 +1566,19 @@ mknod errno 0
</listitem> </listitem>
</varlistentry> </varlistentry>
</variablelist> </variablelist>
<variablelist>
<varlistentry>
<term>
<option>LXC_TARGET</option>
</term>
<listitem>
<para>
Only for the stop hook. Is set to "stop" for a container
shutdown or "reboot" for a container reboot.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect2> </refsect2>
<refsect2> <refsect2>
<title>Logging</title> <title>Logging</title>

9
src/lxc/start.c
View File

@ -522,8 +522,17 @@ void lxc_fini(const char *name, struct lxc_handler *handler)
} }
} }
namespaces[namespace_count] = NULL; namespaces[namespace_count] = NULL;
if (handler->conf->reboot && setenv("LXC_TARGET", "reboot", 1)) {
SYSERROR("failed to set environment variable for stop target");
}
if (!handler->conf->reboot && setenv("LXC_TARGET", "stop", 1)) {
SYSERROR("failed to set environment variable for stop target");
}
if (run_lxc_hooks(name, "stop", handler->conf, handler->lxcpath, namespaces)) if (run_lxc_hooks(name, "stop", handler->conf, handler->lxcpath, namespaces))
ERROR("failed to run stop hooks for container '%s'.", name); ERROR("failed to run stop hooks for container '%s'.", name);
while (namespace_count--) while (namespace_count--)
free(namespaces[namespace_count]); free(namespaces[namespace_count]);
for (i = 0; i < LXC_NS_MAX; i++) { for (i = 0; i < LXC_NS_MAX; i++) {