[meta-virtualization] [PATCH] lxc: Make named avoid listening on lxc network interface

Bruce Ashfield bruce.ashfield at gmail.com
Tue Sep 11 13:06:47 PDT 2018


merged.

Bruce

On Tue, Sep 11, 2018 at 5:48 AM,  <zhe.he at windriver.com> wrote:
> From: He Zhe <zhe.he at windriver.com>
>
> lxc-net wants to take care of DNS itself using dnsmasq, while named in
> bind does the same thing on all network interfaces by default and causes
> the following error.
>
> dnsmasq: failed to create listening socket for 10.0.3.1: Address already in use
> Failed to setup lxc-net.
>
> Signed-off-by: He Zhe <zhe.he at windriver.com>
> ---
>  recipes-core/bind/bind_%.bbappend         | 1 +
>  recipes-core/bind/bind_virtualization.inc | 4 ++++
>  2 files changed, 5 insertions(+)
>  create mode 100644 recipes-core/bind/bind_%.bbappend
>  create mode 100644 recipes-core/bind/bind_virtualization.inc
>
> diff --git a/recipes-core/bind/bind_%.bbappend b/recipes-core/bind/bind_%.bbappend
> new file mode 100644
> index 0000000..617cacc
> --- /dev/null
> +++ b/recipes-core/bind/bind_%.bbappend
> @@ -0,0 +1 @@
> +require ${@bb.utils.contains('DISTRO_FEATURES', 'virtualization', '${BPN}_virtualization.inc', '', d)}
> diff --git a/recipes-core/bind/bind_virtualization.inc b/recipes-core/bind/bind_virtualization.inc
> new file mode 100644
> index 0000000..b8f0b3f
> --- /dev/null
> +++ b/recipes-core/bind/bind_virtualization.inc
> @@ -0,0 +1,4 @@
> +# Tell named not to bother listening on the IP address that lxc handles itself.
> +do_install_append() {
> +       sed -i -e 's,^\( *options *{\)$,\1\n\t// lxc would take care of this address itself\n\tlisten-on { ! 10.0.3.1; any;};\n,' ${D}${sysconfdir}/bind/named.conf.options
> +}
> --
> 2.7.4
>
> --
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