Merge pull request #1789 from brauner/2017-09-06/fix_documentation

doc: adapt + update

doc/ja/lxc.container.conf.sgml.in

@@ -105,11 +105,11 @@ by KATOH Yasufumi <karma at jazz.email.ne.jp>
       example, a process running as UID and GID 0 inside the container might
       appear as UID and GID 100000 on the host.  The implementation and working
       details can be gathered from the corresponding user namespace man page.
-      UID and GID mappings can be defined with the <option>lxc.id_map</option>
+      UID and GID mappings can be defined with the <option>lxc.idmap</option>
       key.
         -->
       本質的には、ユーザ名前空間は与えられた UID、GID の組を隔離します。ユーザ名前空間は、ホスト上の UID、GID のある範囲を、それとは異なるコンテナ上の UID、GID の範囲へマッピングすることで実現します。カーネルは、ホスト上では実際には UID、GID は特権を持たないにも関わらず、コンテナ内ではすべての UID、GID が期待されるように見えるように変換を行います。
-      例えば、コンテナ内では UID、GID が 0 として実行中のプロセスは、ホスト上では UID、GID が 100000 として見えるでしょう。実装と動作の詳細は、ユーザ名前空間の man ページから得られます。UID と GID のマッピングは <option>lxc.id_map</option> を使って定義できます。
+      例えば、コンテナ内では UID、GID が 0 として実行中のプロセスは、ホスト上では UID、GID が 100000 として見えるでしょう。実装と動作の詳細は、ユーザ名前空間の man ページから得られます。UID と GID のマッピングは <option>lxc.idmap</option> を使って定義できます。
     </para>
 
     <para>
@@ -1904,7 +1904,7 @@ by KATOH Yasufumi <karma at jazz.email.ne.jp>
       <variablelist>
         <varlistentry>
           <term>
-            <option>lxc.id_map</option>
+            <option>lxc.idmap</option>
           </term>
           <listitem>
             <para>
@@ -2642,8 +2642,8 @@ by KATOH Yasufumi <karma at jazz.email.ne.jp>
         この設定は、コンテナ内のユーザとグループ両方の id 0-9999 の範囲を、ホスト上の 100000-109999 へマッピングします。
       </para>
       <programlisting>
-        lxc.id_map = u 0 100000 10000
+        lxc.idmap = u 0 100000 10000
-        lxc.id_map = g 0 100000 10000
+        lxc.idmap = g 0 100000 10000
       </programlisting>
     </refsect2>
 

doc/ko/lxc.container.conf.sgml.in

@@ -1839,7 +1839,7 @@ mknod errno 0
       <variablelist>
 	<varlistentry>
 	  <term>
-	    <option>lxc.id_map</option>
+	    <option>lxc.idmap</option>
 	  </term>
 	  <listitem>
 	    <para>
@@ -2564,8 +2564,8 @@ mknod errno 0
         이 설정은 UID와 GID 둘다를 컨테이너의 0 ~ 9999를 호스트의 100000 ~ 109999로 매핑한다.
       </para>
       <programlisting>
-	lxc.id_map = u 0 100000 10000
+	lxc.idmap = u 0 100000 10000
-	lxc.id_map = g 0 100000 10000
+	lxc.idmap = g 0 100000 10000
       </programlisting>
     </refsect2>
 

doc/lxc.container.conf.sgml.in

@@ -86,7 +86,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
       example, a process running as UID and GID 0 inside the container might
       appear as UID and GID 100000 on the host.  The implementation and working
       details can be gathered from the corresponding user namespace man page.
-      UID and GID mappings can be defined with the <option>lxc.id_map</option>
+      UID and GID mappings can be defined with the <option>lxc.idmap</option>
       key.
     </para>
 
@@ -1129,6 +1129,25 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
             </para>
           </listitem>
         </varlistentry>
+        <varlistentry>
+          <term>
+            <option>lxc.cgroup.dir</option>
+          </term>
+          <listitem>
+            <para>
+              specify a directory or path in which the container's cgroup will
+              be created. For example, setting
+              <option>lxc.cgroup.dir = my-cgroup/first</option> for a container
+              named "c1" will create the container's cgroup as a sub-cgroup of
+              "my-cgroup". For example, if the user's current cgroup "my-user"
+              is located in the root cgroup of the cpuset controllerin in a
+              cgroup v1 hierarchy this would create the cgroup
+              "/sys/fs/cgroup/cpuset/my-user/my-cgroup/first/c1" for the
+              container. Any missing cgroups will be created by LXC. This
+              presupposes that the user has write access to its current cgroup.
+            </para>
+          </listitem>
+        </varlistentry>
       </variablelist>
     </refsect2>
 
@@ -1383,7 +1402,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
       <variablelist>
         <varlistentry>
           <term>
-            <option>lxc.id_map</option>
+            <option>lxc.idmap</option>
           </term>
           <listitem>
             <para>
@@ -1935,8 +1954,8 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
         range 0-9999 in the container to the ids 100000-109999 on the host.
       </para>
       <programlisting>
-        lxc.id_map = u 0 100000 10000
+        lxc.idmap = u 0 100000 10000
-        lxc.id_map = g 0 100000 10000
+        lxc.idmap = g 0 100000 10000
       </programlisting>
     </refsect2>
 

doc/lxc.sgml.in

@@ -51,137 +51,68 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
     </refpurpose>
   </refnamediv>
 
-  <refsect1>
-    <title>Quick start</title>
-    <para>
-      You are in a hurry, and you don't want to read this man page. Ok,
-      without warranty, here are the commands to launch a shell inside
-      a container with a predefined configuration template, it may
-      work.
-      <command>@BINDIR@/lxc-execute -n foo -f
-      @DOCDIR@/examples/lxc-macvlan.conf /bin/bash</command>
-    </para>
-  </refsect1>
-
   <refsect1>
     <title>Overview</title>
     <para>
-      The container technology is actively being pushed into the
+      The container technology is actively being pushed into the mainstream
-      mainstream linux kernel. It provides the resource management
+      Linux kernel. It provides resource management through control groups and
-      through the control groups aka process containers and resource
+      resource isolation via namespaces.
-      isolation through the namespaces.
     </para>
 
     <para>
-      The linux containers, <command>lxc</command>, aims to use these
+      <command>lxc</command>, aims to use these new functionalities to provide a
-      new functionalities to provide a userspace container object
+      userspace container object which provides full resource isolation and
-      which provides full resource isolation and resource control for
+      resource control for an applications or a full system.
-      an applications or a system.
     </para>
 
     <para>
-      The first objective of this project is to make the life easier
+      <command>lxc</command> is small enough to easily manage a container with
-      for the kernel developers involved in the containers project and
+      simple command lines and complete enough to be used for other purposes.
-      especially to continue working on the Checkpoint/Restart new
-      features. The <command>lxc</command> is small enough to easily
-      manage a container with simple command lines and complete enough
-      to be used for other purposes.
     </para>
   </refsect1>
 
   <refsect1>
     <title>Requirements</title>
     <para>
-      The <command>lxc</command> relies on a set of functionalities
+      The kernel version >= 3.10 shipped with the distros, will work with
-      provided by the kernel which needs to be active. Depending of
+      <command>lxc</command>, this one will have less functionalities but enough
-      the missing functionalities the <command>lxc</command> will
+      to be interesting.
-      work with a restricted number of functionalities or will simply
-      fail.
     </para>
-
+       
     <para>
-      The following list gives the kernel features to be enabled in
+      <command>lxc</command> relies on a set of functionalities provided by the
-      the kernel to have the full features container:
+      kernel. The helper script <command>lxc-checkconfig</command> will give
+      you information about your kernel configuration, required, and missing
+      features.
     </para>
-      <programlisting>
-	    * General setup
-	      * Control Group support
-	        -> Namespace cgroup subsystem
-	        -> Freezer cgroup subsystem
-	        -> Cpuset support
-	        -> Simple CPU accounting cgroup subsystem
-	        -> Resource counters
-	          -> Memory resource controllers for Control Groups
-	      * Group CPU scheduler
-	        -> Basis for grouping tasks (Control Groups)
-	      * Namespaces support
-	        -> UTS namespace
-	        -> IPC namespace
-	        -> User namespace
-	        -> Pid namespace
-	        -> Network namespace
-	    * Device Drivers
-	      * Character devices
-	        -> Support multiple instances of devpts
-	      * Network device support
-	        -> MAC-VLAN support
-	        -> Virtual ethernet pair device
-	    * Networking
-	      * Networking options
-	        -> 802.1d Ethernet Bridging
-	    * Security options
-	      -> File POSIX Capabilities
-      </programlisting>
-
-      <para>
-
-	The kernel version >= 3.10 shipped with the distros, will
-	work with <command>lxc</command>, this one will have less
-	functionalities but enough to be interesting.
-
-	The helper script <command>lxc-checkconfig</command> will give
-	you information about your kernel configuration.
-      </para>
-
-      <para>
-	  The control group can be mounted anywhere, eg:
-	  <command>mount -t cgroup cgroup /cgroup</command>.
-
-	  It is however recommended to use cgmanager, cgroup-lite or systemd
-	  to mount the cgroup hierarchy under /sys/fs/cgroup.
-
-      </para>
-
   </refsect1>
 
   <refsect1>
     <title>Functional specification</title>
     <para>
-      A container is an object isolating some resources of the host,
+      A container is an object isolating some resources of the host, for the
-      for the application or system running in it.
+      application or system running in it.
     </para>
     <para>
-      The application / system will be launched inside a
+      The application / system will be launched inside a container specified by
-      container specified by a configuration that is either
+      a configuration that is either initially created or passed as a parameter
-      initially created or passed as parameter of the starting commands.
+      of the commands.
     </para>
 
-    <para>How to run an application in a container ?</para>
+    <para>How to run an application in a container</para>
     <para>
-      Before running an application, you should know what are the
+      Before running an application, you should know what are the resources you
-      resources you want to isolate. The default configuration is to
+      want to isolate. The default configuration is to isolate PIDs, the sysv
-      isolate the pids, the sysv ipc and the mount points. If you want
+      IPC and mount points. If you want to run a simple shell inside a
-      to run a simple shell inside a container, a basic configuration
+      container, a basic configuration is needed, especially if you want to
-      is needed, especially if you want to share the rootfs. If you
+      share the rootfs. If you want to run an application like
-      want to run an application like <command>sshd</command>, you
+      <command>sshd</command>, you should provide a new network stack and a new
-      should provide a new network stack and a new hostname. If you
+      hostname. If you want to avoid conflicts with some files eg.
-      want to avoid conflicts with some files
+      <filename>/var/run/httpd.pid</filename>, you should remount
-      eg. <filename>/var/run/httpd.pid</filename>, you should
+      <filename>/var/run</filename> with an empty directory. If you want to
-      remount <filename>/var/run</filename> with an empty
+      avoid the conflicts in all the cases, you can specify a rootfs for the
-      directory. If you want to avoid the conflicts in all the cases,
+      container. The rootfs can be a directory tree, previously bind mounted
-      you can specify a rootfs for the container. The rootfs can be a
+      with the initial rootfs, so you can still use your distro but with your
-      directory tree, previously bind mounted with the initial rootfs,
-      so you can still use your distro but with your
       own <filename>/etc</filename> and <filename>/home</filename>
     </para>
     <para>
@@ -225,15 +156,17 @@ rootfs
       </programlisting>
     </para>
 
-    <para>How to run a system in a container ?</para>
+    <para>How to run a system in a container</para>
 
-    <para>Running a system inside a container is paradoxically easier
+    <para>
-    than running an application. Why ? Because you don't have to care
+    Running a system inside a container is paradoxically easier
-    about the resources to be isolated, everything need to be
+    than running an application. Why? Because you don't have to care
+    about the resources to be isolated, everything needs to be
     isolated, the other resources are specified as being isolated but
     without configuration because the container will set them
     up. eg. the ipv4 address will be setup by the system container
     init scripts. Here is an example of the mount points file:
+    </para>
 
       <programlisting>
 	[root@lxc debian]$ cat fstab
@@ -242,26 +175,17 @@ rootfs
 	/dev/pts /home/root/debian/rootfs/dev/pts  none bind 0 0
       </programlisting>
 
-      More information can be added to the container to facilitate the
-      configuration. For example, make accessible from the container
-      the resolv.conf file belonging to the host.
-
-      <programlisting>
-	/etc/resolv.conf /home/root/debian/rootfs/etc/resolv.conf none bind 0 0
-      </programlisting>
-    </para>
-
     <refsect2>
       <title>Container life cycle</title>
       <para>
 	When the container is created, it contains the configuration
-	information. When a process is launched, the container will be
+	information. When a process is launched, the container will be starting
-	starting and running. When the last process running inside the
+	and running. When the last process running inside the container exits,
-	container exits, the container is stopped.
+	the container is stopped.
       </para>
       <para>
-	In case of failure when the container is initialized, it will
+	In case of failure when the container is initialized, it will pass
-	pass through the aborting state.
+	through the aborting state.
       </para>
 
       <programlisting>
@@ -306,17 +230,14 @@ rootfs
     </refsect2>
 
     <refsect2>
-      <title>Creating / Destroying container
+      <title>Creating / Destroying containers</title>
-	(persistent container)</title>
       <para>
-	A persistent container object can be
+	A persistent container object can be created via the
-	created via the <command>lxc-create</command>
+	<command>lxc-create</command> command. It takes a container name as
-	command. It takes a container name as parameter and
+	parameter and optional configuration file and template. The name is
-	optional configuration file and template.
+	used by the different commands to refer to this container. The
-	The name is used by the different
+	<command>lxc-destroy</command> command will destroy the container
-	commands to refer to this
+	object.
-	container. The <command>lxc-destroy</command> command will
-	destroy the container object.
 	<programlisting>
 	  lxc-create -n foo
 	  lxc-destroy -n foo
@@ -326,33 +247,30 @@ rootfs
 
     <refsect2>
 	<title>Volatile container</title>
-	<para>It is not mandatory to create a container object
+	<para>
-	before to start it.
+	  It is not mandatory to create a container object before starting it.
-	The container can be directly started with a
+	  The container can be directly started with a configuration file as
-	configuration file as parameter.
+	  parameter.
 	</para>
     </refsect2>
 
     <refsect2>
       <title>Starting / Stopping container</title>
-      <para>When the container has been created, it is ready to run an
+      <para>
-      application / system.
+	When the container has been created, it is ready to run an application /
-      This is the purpose of the <command>lxc-execute</command> and
+	system.  This is the purpose of the <command>lxc-execute</command> and
-      <command>lxc-start</command> commands.
+	<command>lxc-start</command> commands.  If the container was not created
-      If the container was not created before
+	before starting the application, the container will use the
-      starting the application, the container will use the
+	configuration file passed as parameter to the command, and if there is
-      configuration file passed as parameter to the command,
+	no such parameter either, then it will use a default isolation.  If the
-      and if there is no such parameter either, then
+	application ended, the container will be stopped, but if needed the
-      it will use a default isolation.
+	<command>lxc-stop</command> command can be used to stop the container.
-      If the application is ended, the container will be stopped also,
-      but if needed the <command>lxc-stop</command> command can
-      be used to kill the still running application.
       </para>
 
       <para>
-	Running an application inside a container is not exactly the
+	Running an application inside a container is not exactly the same thing
-	same thing as running a system. For this reason, there are two
+	as running a system. For this reason, there are two different commands
-	different commands to run an application into a container:
+	to run an application into a container:
 	<programlisting>
 	  lxc-execute -n foo [-f config] /bin/bash
 	  lxc-start -n foo [-f config] [/bin/bash]
@@ -360,39 +278,35 @@ rootfs
       </para>
 
       <para>
-	<command>lxc-execute</command> command will run the
+	The <command>lxc-execute</command> command will run the specified command
-	specified command into the container via an intermediate
+	into a container via an intermediate process,
-	process, <command>lxc-init</command>.
+	<command>lxc-init</command>.
-	This lxc-init after launching  the specified command,
+	This lxc-init after launching  the specified command, will wait for its
-	will wait for its end and all other reparented processes.
+	end and all other reparented processes.  (to support daemons in the
-        (to support daemons in the container).
+	container).  In other words, in the container,
-	In other words, in the
+	<command>lxc-init</command> has PID 1 and the first process of the
-	container, <command>lxc-init</command> has the pid 1 and the
+	application has PID 2.
-	first process of the application has the pid 2.
       </para>
 
       <para>
-	<command>lxc-start</command> command will run directly the specified
+	The <command>lxc-start</command> command will directly run the specified
-	command into the container.
+	command in the container. The PID of the first process is 1. If no
-	The pid of the first process is 1. If no command is
+	command is specified <command>lxc-start</command> will run the command
-	specified <command>lxc-start</command> will
+	defined in lxc.init.cmd or if not set, <filename>/sbin/init</filename> .
-	run the command defined in lxc.init.cmd or if not set,
-	<filename>/sbin/init</filename> .
       </para>
 
       <para>
-	To summarize, <command>lxc-execute</command> is for running
+	To summarize, <command>lxc-execute</command> is for running an
-	an application and <command>lxc-start</command> is better suited for
+	application and <command>lxc-start</command> is better suited for
 	running a system.
       </para>
 
       <para>
-	If the application is no longer responding, is inaccessible or is
+	If the application is no longer responding, is inaccessible or is not
-	not able to finish by itself, a
+	able to finish by itself, a wild <command>lxc-stop</command> command
-	wild <command>lxc-stop</command> command will kill all the
+	will kill all the processes in the container without pity.
-	processes in the container without pity.
 	<programlisting>
-	  lxc-stop -n foo
+	  lxc-stop -n foo -k
 	</programlisting>
       </para>
     </refsect2>
@@ -400,11 +314,10 @@ rootfs
     <refsect2>
       <title>Connect to an available tty</title>
       <para>
-	If the container is configured with the ttys, it is possible
+	If the container is configured with ttys, it is possible to access it
-	to access it through them. It is up to the container to
+	through them. It is up to the container to provide a set of available
-	provide a set of available tty to be used by the following
+	ttys to be used by the following command. When the tty is lost, it is
-	command. When the tty is lost, it is possible to reconnect it
+	possible to reconnect to it without login again.
-	without login again.
 	<programlisting>
 	  lxc-console -n foo -t 3
 	</programlisting>
@@ -430,30 +343,28 @@ rootfs
       </para>
 
       <para>
-	This feature is enabled if the cgroup freezer is enabled in the
+	This feature is enabled if the freezer cgroup v1 controller is enabled
-	kernel.
+	in the kernel.
       </para>
     </refsect2>
 
     <refsect2>
       <title>Getting information about container</title>
-      <para>When there are a lot of containers, it is hard to follow
+      <para>
-      what has been created or destroyed, what is running or what are
+      When there are a lot of containers, it is hard to follow what has been
-      the pids running into a specific container. For this reason, the
+      created or destroyed, what is running or what are the PIDs running in a
-      following commands may be useful:
+      specific container. For this reason, the following commands may be useful:
 	<programlisting>
-	  lxc-ls
+	  lxc-ls -f
 	  lxc-info -n foo
 	</programlisting>
       </para>
       <para>
-	<command>lxc-ls</command> lists the containers of the
+	<command>lxc-ls</command> lists containers.
-	system.
       </para>
 
       <para>
-	<command>lxc-info</command> gives information for a specific
+	<command>lxc-info</command> gives information for a specific container.
-	container.
       </para>
 
       <para>
@@ -464,22 +375,20 @@ rootfs
 	    lxc-info -n $i
 	  done
 	</programlisting>
-
       </para>
-
     </refsect2>
 
     <refsect2>
       <title>Monitoring container</title>
-      <para>It is sometime useful to track the states of a container,
+      <para>
-      for example to monitor it or just to wait for a specific
+	It is sometime useful to track the states of a container, for example to
-      state in a script.
+	monitor it or just to wait for a specific state in a script.
       </para>
 
       <para>
-	<command>lxc-monitor</command> command will monitor one or
+	<command>lxc-monitor</command> command will monitor one or several
-	several containers. The parameter of this command accept a
+	containers. The parameter of this command accepts a regular expression
-	regular expression for example:
+	for example:
 	<programlisting>
 	  lxc-monitor -n "foo|bar"
 	</programlisting>
@@ -504,8 +413,8 @@ rootfs
 	state change and exit. This is useful for scripting to
 	synchronize the launch of a container or the end. The
 	parameter is an ORed combination of different states. The
-	following example shows how to wait for a container if he went
+	following example shows how to wait for a container if it successfully
-	to the background.
+	started as a daemon.
 
 	<programlisting>
 <![CDATA[
@@ -527,11 +436,12 @@ rootfs
     </refsect2>
 
     <refsect2>
-      <title>Setting the control group for container</title>
+      <title>cgroup settings for containers</title>
-      <para>The container is tied with the control groups, when a
+      <para>
-	container is started a control group is created and associated
+	The container is tied with the control groups, when a container is
-	with it. The control group properties can be read and modified
+	started a control group is created and associated with it. The control
-	when the container is running by using the lxc-cgroup command.
+	group properties can be read and modified when the container is running
+	by using the lxc-cgroup command.
       </para>
       <para>
 	<command>lxc-cgroup</command> command is used to set or get a
@@ -553,18 +463,14 @@ rootfs
     </refsect2>
   </refsect1>
 
-  <refsect1>
-    <title>Bugs</title>
-    <para>The <command>lxc</command> is still in development, so the
-    command syntax and the API can change. The version 1.0.0 will be
-    the frozen version.</para>
-  </refsect1>
-
   &seealso;
 
   <refsect1>
     <title>Author</title>
     <para>Daniel Lezcano <email>daniel.lezcano@free.fr</email></para>
+    <para>Christian Brauner <email>christian.brauner@ubuntu.com</email></para>
+    <para>Serge Hallyn <email>serge@hallyn.com</email></para>
+    <para>Stéphane Graber <email>stgraber@ubuntu.com</email></para>
   </refsect1>
 
 </refentry>

src/lxc/cgroups/cgmanager.c

@@ -1559,7 +1559,7 @@ static bool cgm_chown(void *hdata, struct lxc_conf *conf)
 }
 
 /*
- * TODO: this should be re-written to use the get_config_item("lxc.id_map")
+ * TODO: this should be re-written to use the get_config_item("lxc.idmap")
  * cmd api instead of getting the idmap from c->lxc_conf.  The reason is
  * that the id_maps may be different if the container was started with a
  * -f or -s argument.

src/lxc/conf.c

@@ -3972,8 +3972,8 @@ void suggest_default_idmap(void)
 	ERROR("To pass uid mappings to lxc-create, you could create");
 	ERROR("~/.config/lxc/default.conf:");
 	ERROR("lxc.include = %s", LXC_DEFAULT_CONFIG);
-	ERROR("lxc.id_map = u 0 %u %u", uid, urange);
+	ERROR("lxc.idmap = u 0 %u %u", uid, urange);
-	ERROR("lxc.id_map = g 0 %u %u", gid, grange);
+	ERROR("lxc.idmap = g 0 %u %u", gid, grange);
 
 	free(gname);
 	free(uname);

src/lxc/conf.h

@@ -96,10 +96,10 @@ enum idtype {
 
 /*
  * id_map is an id map entry.  Form in confile is:
- * lxc.id_map = u 0    9800 100
+ * lxc.idmap = u 0    9800 100
- * lxc.id_map = u 1000 9900 100
+ * lxc.idmap = u 1000 9900 100
- * lxc.id_map = g 0    9800 100
+ * lxc.idmap = g 0    9800 100
- * lxc.id_map = g 1000 9900 100
+ * lxc.idmap = g 1000 9900 100
  * meaning the container can use uids and gids 0-99 and 1000-1099,
  * with [ug]id 0 mapping to [ug]id 9800 on the host, and [ug]id 1000 to
  * [ug]id 9900 on the host.

src/tests/lxc-test-apparmor-mount

@@ -102,8 +102,8 @@ mkdir -p $HDIR/.config/lxc/
 cat > $HDIR/.config/lxc/default.conf << EOF
 lxc.net.0.type = veth
 lxc.net.0.link = lxcbr0
-lxc.id_map = u 0 910000 9999
+lxc.idmap = u 0 910000 9999
-lxc.id_map = g 0 910000 9999
+lxc.idmap = g 0 910000 9999
 EOF
 chown -R $TUSER: $HDIR
 

src/tests/lxc-test-unpriv

@@ -118,8 +118,8 @@ mkdir -p $HDIR/.config/lxc/
 cat > $HDIR/.config/lxc/default.conf << EOF
 lxc.net.0.type = veth
 lxc.net.0.link = lxcbr0
-lxc.id_map = u 0 910000 9999
+lxc.idmap = u 0 910000 9999
-lxc.id_map = g 0 910000 9999
+lxc.idmap = g 0 910000 9999
 EOF
 chown -R $TUSER: $HDIR
 

src/tests/lxc-test-usernic.in

@@ -81,8 +81,8 @@ usermod -v 910000-919999 -w 910000-919999 usernic-user
 mkdir -p /home/usernic-user/.config/lxc/
 cat > /home/usernic-user/.config/lxc/default.conf << EOF
 lxc.net.0.type = empty
-lxc.id_map = u 0 910000 10000
+lxc.idmap = u 0 910000 10000
-lxc.id_map = g 0 910000 10000
+lxc.idmap = g 0 910000 10000
 EOF
 
 if which cgm >/dev/null 2>&1; then

src/tests/parse_config_file.c

@@ -455,6 +455,34 @@ int main(int argc, char *argv[])
 		return -1;
 	}
 
+	/* lxc.idmap
+	 * We can't really save the config here since save_config() wants to
+	 * chown the container's directory but we haven't created an on-disk
+	 * container. So let's test set-get-clear.
+	 */
+	if (set_get_compare_clear_save_load(
+		c, "lxc.idmap", "u 0 100000 1000000000", NULL, false) < 0) {
+		lxc_error("%s\n", "lxc.idmap");
+		goto non_test_error;
+	}
+
+	if (!c->set_config_item(c, "lxc.idmap", "u 1 100000 10000000")) {
+		lxc_error("%s\n", "failed to set config item "
+				  "\"lxc.idmap\" to \"u 1 100000 10000000\"");
+		return -1;
+	}
+
+	if (!c->set_config_item(c, "lxc.idmap", "g 1 100000 10000000")) {
+		lxc_error("%s\n", "failed to set config item "
+				  "\"lxc.idmap\" to \"g 1 100000 10000000\"");
+		return -1;
+	}
+
+	if (!c->get_config_item(c, "lxc.idmap", retval, sizeof(retval))) {
+		lxc_error("%s\n", "failed to get config item \"lxc.cgroup\"");
+		return -1;
+	}
+
 	c->clear_config(c);
 	c->lxc_conf = NULL;
 

templates/lxc-sabayon.in

@@ -287,8 +287,8 @@ configure_container() {
     if [[ $unprivileged && $unprivileged == true ]] ; then
         if [[ $flush_owner == true ]] ; then
             unprivileged_options="
-lxc.id_map = u 0 ${mapped_uid} 65536
+lxc.idmap = u 0 ${mapped_uid} 65536
-lxc.id_map = g 0 ${mapped_gid} 65536
+lxc.idmap = g 0 ${mapped_gid} 65536
 "
         fi