mirror of
https://github.com/openwrt/packages.git
synced 2026-10-13 23:07:42 +04:00
Daniel Golle
267a9c8892
Move the storage backend probe, the ctx construction, the locking helpers and the volume-name check out of the CLI script into /usr/lib/uvol/common.uc, so a second entry point can reuse them without duplicating the logic. Publish ubus object 'uvol' with the volume operations and a readiness query. Consumers such as uxc are pure ubus frontends and must not exec the command line tool. Ship an rpcd exec plugin, installed by the uvol package itself, taking the same locks as the CLI so both entry points stay serialised. As stdout is the plugin's reply channel, point file descriptor 1 at stderr for the duration of a call. Send a 'uvol.ready' ubus event at the end of 'uvol boot', carrying the active backend name and whether the .meta volume is ready. Consumers such as uxc can wait for this event instead of polling volume state. Sending is best-effort: boot keeps its exit code even when ubusd is not reachable. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
93 lines
2.6 KiB
Makefile
93 lines
2.6 KiB
Makefile
include $(TOPDIR)/rules.mk
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PKG_NAME:=uvol
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PKG_VERSION:=1.2
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PKG_RELEASE:=1
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PKG_MAINTAINER:=Daniel Golle <daniel@makrotopia.org>
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PKG_LICENSE:=GPL-2.0-or-later
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include $(INCLUDE_DIR)/package.mk
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define Package/autopart
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SECTION:=utils
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CATEGORY:=Utilities
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SUBMENU:=Disc
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TITLE:=Automatically initialize LVM partition
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DEPENDS:=+lvm2 +partx-utils +sfdisk +e2fsprogs +mkf2fs +f2fsck
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PKGARCH=all
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endef
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define Package/autopart/description
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Automatically allocate and initialize a partition for LVM on first boot.
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endef
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define Package/uvol
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SECTION:=utils
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CATEGORY:=Utilities
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SUBMENU:=Disc
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TITLE:=OpenWrt UBI/LVM volume abstraction
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DEPENDS:=+blockd +ucode +ucode-mod-fs +ucode-mod-math +ucode-mod-uci +ucode-mod-ubus +rpcd
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PKGARCH=all
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endef
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define Package/uvol/description
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'uvol' is a tool to automate storage volume handling on embedded
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devices in a generic way.
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Depending on what is available, 'uvol' will use either UBI or LVM2
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as storage backends and transparently offer identical operations on
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top of them.
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Also install the 'autopart' package to easily make use of 'uvol' on
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block-storage based devices.
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Volume operations are also exposed as ubus object 'uvol' through an
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rpcd exec plugin, using the same backends and locks as the command
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line tool.
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Examples:
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uvol create example_volume_1 268435456 rw
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uvol up example_volume_1
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uvol device example_volume_1
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uvol create example_volume_2 9812733 ro
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cat example_volume_2.squashfs | uvol write example_volume_2 9812733
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uvol up example_volume_2
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uvol device example_volume_2
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endef
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define Build/Prepare
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endef
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define Build/Configure
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endef
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define Build/Compile
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endef
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define Package/autopart/install
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$(INSTALL_DIR) $(1)/etc/uci-defaults
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$(INSTALL_BIN) ./files/autopart.defaults $(1)/etc/uci-defaults/30-autopart
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endef
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define Package/uvol/install
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$(INSTALL_DIR) $(1)/etc/init.d $(1)/usr/lib/uvol/backends $(1)/usr/sbin $(1)/usr/libexec/rpcd
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$(INSTALL_BIN) ./files/uvol.init $(1)/etc/init.d/uvol
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$(INSTALL_DATA) ./files/blockdev_common.uc $(1)/usr/lib/uvol/
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$(INSTALL_DATA) ./files/common.uc $(1)/usr/lib/uvol/
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$(INSTALL_DATA) ./files/mount.uc $(1)/usr/lib/uvol/
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$(INSTALL_DATA) ./files/lvm.uc $(1)/usr/lib/uvol/backends/
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$(INSTALL_DATA) ./files/ubi.uc $(1)/usr/lib/uvol/backends/
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$(INSTALL_BIN) ./files/uvol $(1)/usr/sbin
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$(SED) 's/@PKG_VERSION@/$(PKG_VERSION)/g' $(1)/usr/sbin/uvol
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$(INSTALL_BIN) ./files/uvol-rpcd $(1)/usr/libexec/rpcd/uvol
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endef
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define Package/uvol/postinst
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#!/bin/sh
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[ -n "$$IPKG_INSTROOT" ] || /etc/init.d/rpcd reload
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endef
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$(eval $(call BuildPackage,autopart))
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$(eval $(call BuildPackage,uvol))
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