oracle template: prevent mingetty from calling vhangup(2)

This is needed when using the user namespace since the kernel check does not allow user_ns root to successfully call vhangup(2), and mingetty will quit in this case. Signed-off-by: Dwight Engen <dwight.engen@oracle.com> Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>

oracle template: prevent mingetty from calling vhangup(2)
2e83f720 · Dwight Engen · Serge Hallyn · 31f38b17 · 2e83f720
Commit 2e83f720 authored Nov 18, 2013 by Dwight Engen Committed by Serge Hallyn Nov 19, 2013
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lxc-oracle.in templates/lxc-oracle.in +6 -2

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--- a/templates/lxc-oracle.in
+++ b/templates/lxc-oracle.in
@@ -226,6 +226,9 @@ EOF
    echo "# For libvirt/Virtual Machine Monitor" >>$container_rootfs/etc/securetty
    echo "pts/0"        >>$container_rootfs/etc/securetty

+    # prevent mingetty from calling vhangup(2) since it fails with userns
+    sed -i 's|mingetty|mingetty --nohangup|' $container_rootfs/etc/init/tty.conf
+
    # dont try to unmount /dev/lxc devices
    sed -i 's|&& $1 !~ /^\\/dev\\/ram/|\&\& $2 !~ /^\\/dev\\/lxc/ \&\& $1 !~ /^\\/dev\\/ram/|' $container_rootfs/etc/init.d/halt

@@ -234,7 +237,8 @@ EOF

    # start a getty on /dev/console, /dev/tty[1-4]
    if [ $container_release_major = "4" -o $container_release_major = "5" ]; then
-        sed -i '/1:2345:respawn/i cns:2345:respawn:/sbin/mingetty console' $container_rootfs/etc/inittab
+        sed -i 's|mingetty|mingetty --nohangup|' $container_rootfs/etc/inittab
+        sed -i '/1:2345:respawn/i cns:2345:respawn:/sbin/mingetty --nohangup console' $container_rootfs/etc/inittab
        sed -i '/5:2345:respawn/d' $container_rootfs/etc/inittab
        sed -i '/6:2345:respawn/d' $container_rootfs/etc/inittab
    fi
@@ -250,7 +254,7 @@ start on stopped rc RUNLEVEL=[2345]
 stop on runlevel [!2345]

 respawn
-exec /sbin/mingetty /dev/console
+exec /sbin/mingetty --nohangup /dev/console
 EOF
    fi