[meta-virtualization] [PATCH 4/4] dnsmasq: allow net interfaces to config their own dnsmasq instance

[Bruce Ashfield]

On Tue, Nov 22, 2016 at 1:56 PM, Mark Asselstine <
mark.asselstine at windriver.com> wrote:

> This addition to dnsmasq allows an interface to define a dnsmasq
> configuration file as /var/lib/dnsmasq/%i/dnsmasq.conf and have their
> dnsmasq instance controlled via systemctl dnsmasq@%i.service (where
> '%i' is the interface name).
>
> To use this simply create the dnsmasq.conf file as above and enable
> the systemd service like:
>
> Signed-off-by: Mark Asselstine <mark.asselstine at windriver.com>
> ---
>  recipes-support/dnsmasq/dnsmasq/dnsmasq at .service | 12 ++++++++++++
>  recipes-support/dnsmasq/dnsmasq_2.%.bbappend     | 16 ++++++++++++++++
>  2 files changed, 28 insertions(+)
>  create mode 100644 recipes-support/dnsmasq/dnsmasq/dnsmasq at .service
>  create mode 100644 recipes-support/dnsmasq/dnsmasq_2.%.bbappend
>
> diff --git a/recipes-support/dnsmasq/dnsmasq/dnsmasq at .service
> b/recipes-support/dnsmasq/dnsmasq/dnsmasq at .service
> new file mode 100644
> index 0000000..9e36a36
> --- /dev/null
> +++ b/recipes-support/dnsmasq/dnsmasq/dnsmasq at .service
> @@ -0,0 +1,12 @@
> +[Unit]
> +Description=DHCP and DNS caching server for %i.
> +After=network.target
> +
> +[Service]
> +ExecStart=/usr/bin/dnsmasq -k --conf-file=/var/lib/dnsmasq/%
> i/dnsmasq.conf
> +ExecReload=/bin/kill -HUP $MAINPID
> +Restart=on-failure
> +RestartSec=5
> +
> +[Install]
> +WantedBy=multi-user.target
> diff --git a/recipes-support/dnsmasq/dnsmasq_2.%.bbappend
> b/recipes-support/dnsmasq/dnsmasq_2.%.bbappend
> new file mode 100644
> index 0000000..2acfd0c
> --- /dev/null
> +++ b/recipes-support/dnsmasq/dnsmasq_2.%.bbappend
> @@ -0,0 +1,16 @@
> +# Allow individual network interfaces to easily configure
> +# their own dnsmasq instance.
> +
> +FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
> +
> +SRC_URI += " \
> +    file://dnsmasq@.service \
> +    "
> +
>

Let me see if I properly understand this .. since this is bbappend, we are
going to
enable this service no matter what if dnsmasq is in an image ?

Like the lxc networking, is there an option to put this into a separate
package
"dnsmasq-extra" .. or something better than that ? So that when someone
wants
this capability, they have to install the extra package ?

Otherwise, I don't see a way to opt out.

Bruce


> +do_install_append() {
> +    install -d ${D}/${sysconfdir}/systemd
> +    install -d ${D}/${sysconfdir}/systemd/system
> +    install -m 644 ${WORKDIR}/dnsmasq at .service
> ${D}/${sysconfdir}/systemd/system/.
> +}
> +
> +FILES_${PN} += "${sysconfdir}/systemd/system/dnsmasq at .service"
> --
> 2.7.4
>
> --
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>



-- 
"Thou shalt not follow the NULL pointer, for chaos and madness await thee
at its end"
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