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man: document machinectl import-tar and import-raw

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Lennart Poettering 2015-03-09 21:34:32 +01:00
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man/machinectl.xml
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@ -669,19 +669,52 @@
below.</para></listitem>
</varlistentry>
<varlistentry>
<term><command>import-tar</command> <replaceable>FILE</replaceable> [<replaceable>NAME</replaceable>]</term>
<term><command>import-raw</command> <replaceable>FILE</replaceable> [<replaceable>NAME</replaceable>]</term>
<listitem><para>Imports a TAR or RAW container or VM image,
and places it under the specified name in
<filename>/var/lib/machines/</filename>. When
<command>import-tar</command> is used the file specified as
first argument should be a tar archive, possibly compressed
with xz, gzip or bzip2. It will then be unpacked into its own
subvolume in <filename>/var/lib/machines</filename>. When
<command>import-raw</command> is used the file should be a
qcow2 or raw disk image, possibly compressed with xz, gzip or
bzip2. If the second argument (the resulting image name) is
not specified it is automatically derived from the file
name. If the file name is passed as <literal>-</literal> the
image is read from standard input, in which case the second
argument is mandatory.</para>
<para>Similar as with <command>pull-tar</command>,
<command>pull-raw</command> the file system
<filename>/var/lib/machines.raw</filename> is increased in
size of necessary and appropriate. Optionally the
<option>--read-only</option> switch may be used to create a
read-only container or VM image. No cryptographic validation
is done when importing the images.</para>
<para>Much like image downloads, ongoing imports may be listed
with <command>list-transfers</command> and aborted with
<command>cancel-transfer</command>.</para></listitem>
</varlistentry>
<varlistentry>
<term><command>list-transfers</command></term>
<listitem><para>Shows a list of container or VM image
downloads that are currently in progress.</para></listitem>
downloads and imports that are currently in
progress.</para></listitem>
</varlistentry>
<varlistentry>
<term><command>cancel-transfers</command> <replaceable>ID</replaceable>...</term>
<listitem><para>Aborts download of the container or VM image
with the specified ID. To list ongoing transfers and their
IDs, use <command>list-transfers</command>. </para></listitem>
<listitem><para>Aborts a download or import of the container
or VM image with the specified ID. To list ongoing transfers
and their IDs, use
<command>list-transfers</command>. </para></listitem>
</varlistentry>
</variablelist></refsect2>
@ -705,13 +738,15 @@
<para>Note that many image operations are only supported,
efficient or atomic on btrfs file systems. Due to this, if the
<command>pull-tar</command>, <command>pull-raw</command>,
<command>pull-dkr</command> and <command>set-limit</command>
<command>pull-dkr</command>, <command>import-tar</command>,
<command>import-raw</command> and <command>set-limit</command>
commands notice that <filename>/var/lib/machines</filename> is
empty and not located on btrfs, they will implicitly set up a
loopback file <filename>/var/lib/machines.raw</filename>
containing a btrfs file system that is mounted to
<filename>/var/lib/machines</filename>. The size of this loopback
file may be controlled dynamically with <command>set-limit</command>.</para>
file may be controlled dynamically with
<command>set-limit</command>.</para>
<para>Disk images are understood by
<citerefentry><refentrytitle>systemd-nspawn</refentrytitle><manvolnum>1</manvolnum></citerefentry>