Gentoo template - Add a hwaddr if there is only one veth

Reuse the code from the Debian template to associate a hwaddr if there is only one veth interface in the container's config file. Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com> Acked-by: Stéphane Graber <stgraber@ubuntu.com>

Gentoo template - Add a hwaddr if there is only one veth
b8ebaa9c · Vicente Olivert Riera · Stéphane Graber · 1f3fc0d7 · b8ebaa9c
Commit b8ebaa9c authored Jan 23, 2015 by Vicente Olivert Riera Committed by Stéphane Graber Jan 24, 2015
Hide whitespace changes
Inline Side-by-side

Showing with 7 additions and 0 deletions

lxc-gentoo.in templates/lxc-gentoo.in +7 -0

No files found.
--- a/templates/lxc-gentoo.in
+++ b/templates/lxc-gentoo.in
@@ -681,6 +681,13 @@ container_conf()
    #at this point if there
    conf_file="${path}/config"

+    # if there is exactly one veth network entry, make sure it has an
+    # associated hwaddr.
+    nics=`grep -e '^lxc\.network\.type[ \t]*=[ \t]*veth' ${conf_file} | wc -l`
+    if [ $nics -eq 1 ]; then
+        grep -q "^lxc.network.hwaddr" ${conf_file} || sed -i -e "/^lxc\.network\.type[ \t]*=[ \t]*veth/a lxc.network.hwaddr = 00:16:3e:$(openssl rand -hex 3| sed 's/\(..\)/\1:/g; s/.$//')" ${conf_file}
+    fi
+
    if grep -q "^lxc.rootfs" "${conf_file}" ; then
        #lxc-create already provided one
        conf_rootfs_line=""