[Buildroot] [PATCH] dhcp: add systemd service file
Yann E. MORIN
yann.morin.1998 at free.fr
Sun Sep 21 20:44:45 UTC 2014
Eric, All,
On 2014-09-15 23:04 +0200, Eric Le Bihan spake thusly:
> Add a systemd service file to start dhcpd.
>
> The network interfaces to listen on can be set via the variable
> INTERFACES in /etc/default/dhcpd.conf. Example:
>
> INTERFACES="eth0 eth1"
>
> Also install a tmpfiles.d file to create /var/lib/dhcp/dhcpd.leases
> (needed at dhcpd start-up).
>
> Signed-off-by: Eric Le Bihan <eric.le.bihan.dev at free.fr>
> ---
> package/dhcp/dhcp.mk | 15 +++++++++++++++
> package/dhcp/dhcpd.service | 13 +++++++++++++
> 2 files changed, 28 insertions(+)
> create mode 100644 package/dhcp/dhcpd.service
>
> diff --git a/package/dhcp/dhcp.mk b/package/dhcp/dhcp.mk
> index 9251185..1b914a8 100644
> --- a/package/dhcp/dhcp.mk
> +++ b/package/dhcp/dhcp.mk
> @@ -74,6 +74,21 @@ define DHCP_INSTALL_INIT_SYSV
> $(TARGET_DIR)/etc/init.d/S80dhcp-relay
> endef
>
> +define DHCP_INSTALL_INIT_SYSTEMD
> + $(INSTALL) -D -m 644 package/dhcp/dhcpd.service \
> + $(TARGET_DIR)/lib/systemd/system/dhcpd.service
> +
> + mkdir -p $(TARGET_DIR)/etc/systemd/system/multi-user.target.wants
> +
> + ln -sf ../../../../lib/systemd/system/dhcpd.service \
> + $(TARGET_DIR)/etc/systemd/system/multi-user.target.wants/dhcpd.service
> +
> + echo "d /var/lib/dhcp 0755 - - - -" > \
> + $(TARGET_DIR)/usr/lib/tmpfiles.d/dhcpd.conf
> + echo "f /var/lib/dhcp/dhcpd.leases - - - - -" >> \
> + $(TARGET_DIR)/usr/lib/tmpfiles.d/dhcpd.conf
I'm not sure to understand those two. Are they needed on the target?
They suspiciously look like our 'makedev' syntax. Does systemd recognise
this too?
Regards,
Yann E. MORIN.
> +endef
> +
> define DHCP_INSTALL_TARGET_CMDS
> $(DHCP_INSTALL_RELAY)
> $(DHCP_INSTALL_SERVER)
> diff --git a/package/dhcp/dhcpd.service b/package/dhcp/dhcpd.service
> new file mode 100644
> index 0000000..7b265cb
> --- /dev/null
> +++ b/package/dhcp/dhcpd.service
> @@ -0,0 +1,13 @@
> +[Unit]
> +Description=DHCP server
> +After=network.target
> +
> +[Service]
> +Type=forking
> +PIDFile=/run/dhcpd.pid
> +ExecStart=/usr/sbin/dhcpd -q -pf /run/dhcpd.pid $INTERFACES
> +KillSignal=SIGINT
> +EnvironmentFile=/etc/default/dhcpd.conf
> +
> +[Install]
> +WantedBy=multi-user.target
> --
> 1.9.3
>
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