[lxc-devel] [PATCH 3/3] Code cleanups

Leonid Isaev lisaev at umail.iu.edu
Fri Apr 4 23:16:25 UTC 2014


On Fri, 4 Apr 2014 19:02:34 -0400
Stéphane Graber <stgraber at ubuntu.com> wrote:

> On Mon, Mar 31, 2014 at 05:14:34PM -0400, Leonid Isaev wrote:
> > Cleanups:
> > 1. Do not modify container's /etc/hosts (archlinux uses /etc/nsswitch.conf)
> > 2. Remove duplicate lines from config
> > 3. Print a nicer final message
> > 4. Get rid of some grep's in favor of bash regex
> > 
> > Signed-off-by: Leonid Isaev <lisaev at umail.iu.edu>
> 
> Acked-by: Stéphane Graber <stgraber at ubuntu.com>

I think this is a wrong patch. As you said, I re-sent the 1st and 3rd parts
which contained bash-specific expressions. So the correct 3/3 part is here
https://lists.linuxcontainers.org/pipermail/lxc-devel/2014-April/008667.html ,
and it is not an April fools joke :)

Thanks,
L.

> 
> > ---
> >  templates/lxc-archlinux.in | 33 ++++++++++++++++++++-------------
> >  1 file changed, 20 insertions(+), 13 deletions(-)
> > 
> > diff --git a/templates/lxc-archlinux.in b/templates/lxc-archlinux.in
> > index 6046c94..79d89b8 100644
> > --- a/templates/lxc-archlinux.in
> > +++ b/templates/lxc-archlinux.in
> > @@ -71,9 +71,10 @@ split_string() {
> >  
> >  # Arch-specific preconfiguration for container
> >  configure_arch() {
> > -    # read locale and timezone defaults from system rc.conf if running on
> > Arch
> > +    # on ArchLinux, read defaults from host systemd configuration
> >      if [ "${is_arch}" ]; then
> > -        cp -p /etc/vconsole.conf /etc/locale.conf /etc/locale.gen
> > "${rootfs_path}/etc/"
> > +        cp -p /etc/vconsole.conf /etc/locale.conf /etc/locale.gen \
> > +		"${rootfs_path}/etc/"
> >      else
> >          echo "LANG=${default_lang}" > "${rootfs_path}/etc/locale.conf"
> >          echo "KEYMAP=us" > "${rootfs_path}/etc/vconsole.conf"
> > @@ -89,22 +90,25 @@ EOF
> >              fi
> >          fi
> >      fi
> > +
> > +    # hostname and nameservers
> >      echo "${name}" > "${rootfs_path}/etc/hostname"
> > -    cat > "${rootfs_path}/etc/hosts" << EOF
> > -127.0.0.1   localhost.localdomain   localhost ${name}
> > -::1     localhost.localdomain   localhost
> > -EOF
> > -    grep nameserver /etc/resolv.conf > "${rootfs_path}/etc/resolv.conf"
> > +    while read r; do
> > +       [[ $r =~ ^nameserver ]] && echo "$r"
> > +    done < /etc/resolv.conf > "${rootfs_path}/etc/resolv.conf"
> >  
> > +    # chroot and configure system
> >      arch-chroot "${rootfs_path}" /bin/bash -s << EOF
> >  mkdir /run/lock
> >  locale-gen
> >  ln -s /usr/share/zoneinfo/${default_timezone} /etc/localtime
> >  # disable services unavailable for container
> > -ln -s /dev/null /etc/systemd/system/systemd-udevd.service
> > -ln -s /dev/null /etc/systemd/system/systemd-udevd-control.socket
> > -ln -s /dev/null /etc/systemd/system/systemd-udevd-kernel.socket
> > -ln -s /dev/null /etc/systemd/system/proc-sys-fs-binfmt_misc.automount
> > +for i in systemd-udevd.service \
> > +	systemd-udevd-control.socket \
> > +	systemd-udevd-kernel.socket \
> > +	proc-sys-fs-binfmt_misc.automount; do
> > +   ln -s /dev/null /etc/systemd/system/\$i
> > +done
> >  # set default systemd target
> >  ln
> > -s /lib/systemd/system/multi-user.target /etc/systemd/system/default.target
> > # initialize pacman keyring @@ -141,7 +145,6 @@ lxc.cgroup.devices.allow =
> > c 1:5 rwm lxc.cgroup.devices.allow = c 1:7 rwm
> >  lxc.cgroup.devices.allow = c 1:8 rwm
> >  lxc.cgroup.devices.allow = c 1:9 rwm
> > -lxc.cgroup.devices.allow = c 1:9 rwm
> >  lxc.cgroup.devices.allow = c 4:1 rwm
> >  lxc.cgroup.devices.allow = c 5:0 rwm
> >  lxc.cgroup.devices.allow = c 5:1 rwm
> > @@ -319,4 +322,8 @@ if [ -n "${root_passwd}" ]; then
> >      echo "root:${root_passwd}" | chroot "${rootfs_path}" chpasswd
> >  fi
> >  
> > -echo "container config is ${config_path}/config"
> > +cat << EOF
> > +ArchLinux container ${name} is successfully created! The configuration is
> > +stored in ${config_path}/config. Please refer to
> > https://wiki.archlinux.org for +information about configuring ArchLinux.
> > +EOF
> > -- 
> > 1.8.5.3
> > 
> > -- 
> > Leonid Isaev
> > GnuPG key fingerprint: C0DF 20D0 C075 C3F1 E1BE  775A A7AE F6CB 164B 5A6D
> 
> 
> 



-- 
Leonid Isaev
GnuPG key fingerprint: C0DF 20D0 C075 C3F1 E1BE  775A A7AE F6CB 164B 5A6D
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