nbd: new package nbd-server
Network block device server allows to export a block device from router to remote host. This is particularly useful if no network filesystem server is feasible or direct access to a block device is needed. It's been tested for nearly a month on ar71xx (TL-WR842ND) and proved to be very stable and efficient solution. The package comes with init.d script and conf.d file allowing to configure most nbd-server options using standard uci interface. Signed-off-by: Marcin Jurkowski <marcin1j@gmail.com>
This commit is contained in:
Marcin Jurkowski
parent
14f66e3ff5
commit
9bf1fa6622
3 changed files with 169 additions and 1 deletions
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@ -37,12 +37,24 @@ define Package/nbd/description
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This package contains the network block device client.
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endef
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define Package/nbd-server
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SECTION:=net
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CATEGORY:=Network
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TITLE:=Network Block Device Server
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URL:=http://nbd.sourceforge.net
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DEPENDS:=+glib2
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endef
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define Package/nbd-server/description
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This package contains the network block device server.
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endef
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CONFIGURE_ARGS+= \
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--disable-glibtest
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define Build/Compile
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$(MAKE) -C $(PKG_BUILD_DIR) \
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nbd-client
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nbd-client nbd-server
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endef
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define Package/nbd/install
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@ -51,3 +63,20 @@ define Package/nbd/install
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endef
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$(eval $(call BuildPackage,nbd))
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define Package/nbd-server/install
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$(INSTALL_DIR) $(1)/usr/bin
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$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/bin/nbd-server $(1)/usr/bin/
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$(INSTALL_DIR) $(1)/etc/config
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$(INSTALL_CONF) ./files/nbd-server.conf $(1)/etc/config/nbd-server
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$(INSTALL_DIR) $(1)/etc/init.d
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$(INSTALL_BIN) ./files/nbd-server.init $(1)/etc/init.d/nbd-server
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endef
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define Package/nbd-server/conffiles
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/etc/config/nbd-server
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/etc/nbd-server/conf.d
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/etc/nbd-server/allow
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endef
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$(eval $(call BuildPackage,nbd-server))
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31
net/nbd/files/nbd-server.conf
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31
net/nbd/files/nbd-server.conf
Normal file
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@ -0,0 +1,31 @@
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config nbd-server
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option enabled 0
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# option port 10809
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# option user root
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# option group root
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# option allowlist 0
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# option includedir '/etc/nbd-server/conf.d'
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# option listenaddr '0.0.0.0'
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# option oldstyle 0
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config share usb_sda1
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option filename '/dev/sda1'
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# option authfile '/etc/nbd-server/allow'
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# option timeout 0
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# option flush 0
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# option fua 0
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# option rotational 0
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# option sync 0
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# option discard 0
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# option maxconnections 10
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# option filesize 1000000
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# option multifile 0
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# option copyonwrite 0
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# option sparse_cow 1
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# option readonly 0
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# option prerun '/bin/true'
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# option postrun '/bin/true'
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# option virtstyle 'ipliteral'
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# option oldstyle_port 12345
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# option oldstyle_listenaddr '0.0.0.0'
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108
net/nbd/files/nbd-server.init
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108
net/nbd/files/nbd-server.init
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@ -0,0 +1,108 @@
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#!/bin/sh /etc/rc.common
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# Copyright (C) 2012 OpenWrt.org
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START=60
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SERVICE_USE_PID=1
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CONFIGFILE="/var/etc/nbd-server.conf"
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append_plain() {
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echo "$1" >> $CONFIGFILE
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}
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append_val_str() {
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local resultname="$1"
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local cfg="$2"
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local uciname="${3:-$1}"
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local value=
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config_get value "$cfg" "$uciname"
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if [ -z "$value" ]; then
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return
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fi
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append_plain "$resultname = $value"
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}
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append_val_bool() {
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local resultname="$1"
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local cfg="$2"
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local uciname="${3:-$1}"
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local value=
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config_get_bool value "$cfg" "$uciname"
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if [ -z "$value" ]; then
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return
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fi
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[ $value == 1 ] && value="true" || value="false"
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append_plain "$resultname = $value"
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}
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config_handle_generic() {
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local cfg="$1"
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append_plain "[generic]"
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append_val_str user "$cfg"
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append_val_str group "$cfg"
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append_val_str port "$cfg"
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append_val_str listenaddr "$cfg"
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append_val_bool allowlist "$cfg"
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append_val_str includedir "$cfg"
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append_val_bool oldstyle "$cfg"
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config_get_bool SERVICE_ENABLED "$cfg" enabled 0
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}
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config_handle_share() {
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local cfg="$1"
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append_plain
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append_plain "[$cfg]"
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append_val_str exportname "$cfg" filename
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append_val_str timeout "$cfg"
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append_val_str maxconnections "$cfg"
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append_val_str authfile "$cfg"
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append_val_str filesize "$cfg"
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append_val_str readonly "$cfg"
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append_val_str multifile "$cfg"
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append_val_str copyonwrite "$cfg"
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append_val_bool sparse_cow "$cfg"
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append_val_bool flush "$cfg"
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append_val_bool fua "$cfg"
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append_val_bool rotational "$cfg"
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append_val_bool sync "$cfg"
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append_val_bool discard "$cfg"
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append_val_str prerun "$cfg"
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append_val_str postrun "$cfg"
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append_val_str virtstyle "$cfg"
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append_val_str port "$cfg" oldstyle_port
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append_val_str listenaddr "$cfg" oldstyle_listenaddr
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}
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config_read() {
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mkdir -p $(dirname $CONFIGFILE)
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echo -n > $CONFIGFILE
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config_load nbd-server
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config_foreach config_handle_generic nbd-server
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config_foreach config_handle_share share
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}
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start() {
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config_read
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if [ "$SERVICE_ENABLED" = "1" ]; then
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service_start /usr/bin/nbd-server \
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--pid-file /var/run/nbd-server.pid \
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--config-file=$CONFIGFILE
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fi
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}
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stop() {
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service_stop /usr/bin/nbd-server
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}
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