vblade-persist-0.6/INSTALL0000644000175000017500000000214410715730264013436 0ustar dkgdkgInstalling vblade-persist: ========================== Author: Daniel Kahn Gillmor Copyright: 2007 License: This package is released under the GPL version 3 or later These scripts will help you manage your vblade exports in a consistent and reliable way (i hope!) To set them up: 0) Install runit: http://smarden.org/runit 1) Install vblade: http://sourceforge.net/projects/aoetools/ 2) place vblade-{finish,logrun,run} in a reasonable spot /usr/local/share/vblade-persist is a good default if you're trying to keep out of the way of your system's package manager. 3) set up the holding directory for vblade-persist to stage its service directories. /var/local/lib/vblade-persist/vblades is a good non-package-manager choice. 4) put vblade-persist someplace reasonable like /usr/local/sbin, and make sure that the paths in the header of it match the directory you chose in steps 2 and 3. 5) install vblade-persist.8 somewhere good like /usr/local/share/man/man8 for future reference. And you're ready to go. "man vblade-persist" for more info. --dkg vblade-persist-0.6/COPYING0000644000175000017500000010437410715730263013447 0ustar dkgdkg GNU GENERAL PUBLIC LICENSE Version 3, 29 June 2007 Copyright (C) 2007 Free Software Foundation, Inc. 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But first, please read . vblade-persist-0.6/CHANGELOG0000644000175000017500000000070110716212274013611 0ustar dkgdkgVersion 0.4: 2007-11-12 More verbose logging, logging tagged with shelf/slot numbers Version 0.3: 2007-11-12 Fixed broken "vblade-persist destroy" subcommand. More gracefully handle situations where runsv has not attached to the servicedir. Version 0.2: 2007-11-12 Added examples to man page, adjusted header output for "vblade-persist ls" Version 0.1: 2007-11-11 Basic functionality. Should work for simple, robust vblade management. vblade-persist-0.6/README0000644000175000017500000000267310716201712013264 0ustar dkgdkgvblade-persist ============== Author: Daniel Kahn Gillmor Copyright: 2007 License: these scripts are released under the GPL version 3 or later URL: http://cmrg.fifthhorseman.net/wiki/vblade-persist This package contains scripts to manage persistent offerings of AoE devices via vblade using the runit suite for supervision. How does it work? ----------------- vblade-persist creates a separate runit-style service directory in /var/lib/vblade-persist/vblades for each exported AoE device. Run vblade-persist with no arguments for usage info. How do i make sure that my AoE devices get started (or not) at boot? -------------------------------------------------------------------- try: vblade-persist [no]auto SHELF SLOT How can i limit MAC addresses for certain exported AoE devices? --------------------------------------------------------------- If you create files in /var/lib/vblade/persist/e0.1/mac/, the filenames will be the only MAC addresses allowed to access the AoE device exported as shelf 0, slot 1. So: touch /var/lib/vblade/persist/vblades/e0.1/mac/0f:23:ae:22:22:24 upper or lower case is fine, and you can use colons or not. After making this change to e0.1, you'll need to do: vblade-persist restart 0 1 Acknowledgements ---------------- This tool would not exist without the collaborative input of the radical techies in attendance at: https://we.riseup.net/debian/hardware-virtualization-lab-aoe vblade-persist-0.6/vblade-finish0000755000175000017500000000064010716212430015034 0ustar dkgdkg#!/bin/sh exec 2>&1 # vblade-finish: this is a finish script for runit supervision of a # single vblade instance. It tears down the symlink. # Author: Daniel Kahn Gillmor # Copyright: November 2007 # License: GPLv3 or later exec chpst -e ./env sh -c ' echo "took down e$SHELF.$SLOT from $NETIF" test -h "/dev/etherd/e$SHELF.$SLOT" && exec rm "/dev/etherd/e$SHELF.$SLOT" ' vblade-persist-0.6/vblade-logrun0000755000175000017500000000062710716212143015070 0ustar dkgdkg#!/bin/sh # vblade-logrun: this is the logging script for runit supervision of a single # vblade instance. It just sends info to the syslog, thanks # to bsdutils' logger # Author: Daniel Kahn Gillmor # Copyright: November 2007 # License: GPLv3 or later exec chpst -e ../env sh -c ' exec chpst -u daemon logger -t "vblade-persist-e$SHELF.$SLOT" ' vblade-persist-0.6/vblade-run0000755000175000017500000000137710715730272014400 0ustar dkgdkg#!/bin/sh exec 2>&1 # vblade-run: this is the run script for runit supervision of a single # vblade instance. It sets up a device symlink and then # execs the vblade. # Author: Daniel Kahn Gillmor # Copyright: November 2007 # License: GPLv3 or later # limit by MAC address, if any addresses exist in ./macs: MACLIMITS='' if (ls ./macs | grep -q ^.); then MACLIMITS=`ls -m ./macs | tr -d " \n"` echo "Limiting connections to MAC addresses $MACLIMITS" MACLIMITS="-m $MACLIMITS" fi exec chpst -e ./env sh -c ' echo "exporting $SOURCE as e$SHELF.$SLOT on $NETIF" ; mkdir -p /dev/etherd ; ln -s "$SOURCE" "/dev/etherd/e$SHELF.$SLOT" && \ exec vblade '"$MACLIMITS"' "$SHELF" "$SLOT" "$NETIF" "$SOURCE" ' vblade-persist-0.6/vblade-persist0000755000175000017500000001562010773022231015252 0ustar dkgdkg#!/bin/sh # vblade-persist: this script sets up a permanent vblade instance under # runit supervision # Author: Daniel Kahn Gillmor # Copyright: November 2007 # License: GPLv3 or later # Where are the servicedirs stored? VDIR=/var/lib/vblade-persist/vblades # Where do the vblade-{run,finish,logrun} scripts live? SDIR=/usr/share/vblade-persist usage() { echo "usage: vblade-persist ls [--no-header]" echo " vblade-persist start|stop|restart|auto|noauto SHELF SLOT" echo " vblade-persist start|stop|restart|auto|noauto all" echo " vblade-persist setup SHELF SLOT NETIF SOURCE" echo " vblade-persist destroy SHELF SLOT" echo " vblade-persist mac SHELF SLOT ls" echo " vblade-persist mac SHELF SLOT clear" echo " vblade-persist mac SHELF SLOT add [MAC ...] " echo " vblade-persist mac SHELF SLOT del [MAC ...] " } error() { echo "vblade-persist: $1" >&2 } fatal() { error "$1" exit ${2:-'1'} } require_sv() { [ -x /usr/bin/sv ] || \ fatal "/usr/bin/sv not available. Please install runit." } # FIXME: make this test a little more robust. verify_vblade_persist_path() { [ -d "$1" ] } verify_mac_address() { echo "$1" | tr -d ':' | egrep -q '^[[:xdigit:]]{12}$' } # shelf identifiers should be integers: # FIXME: check that they're in a certain range? verify_shelf() { expr match "$1" '[0-9][0-9]*$' >/dev/null } # slot identifiers should be integers: # FIXME: check that they're in a certain range? verify_slot() { expr match "$1" '[0-9][0-9]*$' >/dev/null } # FIXME: if there's no ip and no ifconfig, what do we do? verify_interface() { if [ -x /bin/ip ] ; then /bin/ip link show "$1" >/dev/null elif [ -x /sbin/ifconfig ] ; then /sbin/ifconfig -s "$1" > /dev/null else error "Don't know how to test interface. Assuming '$1' is acceptable." true fi } # the device must be specified by an absolute path, and it shoud be # either a block device, a link to a block device, a regular file, or # a link to a regular file: verify_source() { expr match "$1" '/' >/dev/null && \ ( [ -b `readlink -f "$1"` ] || [ -f `readlink -f "$1"` ] ) } setup() { local SHELF local SLOT local NETIF local SOURCE SHELF="$1" SLOT="$2" NETIF="$3" SOURCE="$4" verify_shelf "$SHELF" || fatal "not a valid shelf: '$SHELF'" verify_slot "$SLOT" || fatal "not a valid shelf: '$SLOT'" verify_interface "$NETIF" || fatal "not a valid interface: '$NETIF'" verify_source "$SOURCE" || fatal "not a valid source: '$SOURCE'" local DNAME DNAME="e$SHELF.$SLOT" mkdir "$VDIR/$DNAME" || \ fatal "Maybe you are already exporting a device as shelf $SHELF, slot $SLOT?" mkdir "$VDIR/$DNAME/env" mkdir "$VDIR/$DNAME/log" mkdir "$VDIR/$DNAME/macs" # start it off idle (so that the admin can decide when to start): touch "$VDIR/$DNAME/down" ln -s "$SDIR/vblade-run" "$VDIR/$DNAME/run" ln -s "$SDIR/vblade-finish" "$VDIR/$DNAME/finish" ln -s "$SDIR/vblade-logrun" "$VDIR/$DNAME/log/run" echo "$SHELF" > "$VDIR/$DNAME/env/SHELF" echo "$SLOT" > "$VDIR/$DNAME/env/SLOT" echo "$NETIF" > "$VDIR/$DNAME/env/NETIF" echo "$SOURCE" > "$VDIR/$DNAME/env/SOURCE" # tell runit to supervise this vblade: update-service --add "$VDIR/$DNAME" vblade-"$DNAME" || \ fatal "Could not set up supervision for this vblade" } destroy() { local SHELF local SLOT SHELF="$1" SLOT="$2" verify_shelf "$SHELF" || fatal "Not a valid shelf: '$SHELF'" verify_slot "$SLOT" || fatal "Not a valid slot: '$SLOT'" local DNAME local DPATH DNAME="e$SHELF.$SLOT" DPATH="$VDIR/$DNAME" verify_vblade_persist_path "$DPATH" || \ fatal "'`basename $DPATH`' is not a vblade-persist-managed export." update-service --remove "$DPATH" vblade-"$DNAME" sv exit "$DPATH" rm -rf "$DPATH" } list() { [ "$1" = "--no-header" ] || echo '#shelf slot netif source auto? stat' for dev in `ls "$VDIR"` ; do # if we can't figure out the state, put "unsupervised" in the stat column local STAT STAT=unsupervised [ -e "$VDIR/$dev/supervise/stat" ] && STAT=$(cat "$VDIR/$dev/supervise/stat") echo $(cat "$VDIR/$dev/env/SHELF" \ "$VDIR/$dev/env/SLOT" \ "$VDIR/$dev/env/NETIF" \ "$VDIR/$dev/env/SOURCE") \ $( [ -e "$VDIR/$dev/down" ] && echo 'no')auto \ "$STAT" done } svcommand() { require_sv local CMD local SVDIR CMD="$1" SVDIR="$2" verify_vblade_persist_path "$SVDIR" || \ fatal "'`basename $DPATH`' is not a vblade-persist-managed export" sv "$CMD" "$SVDIR" } auto() { verify_vblade_persist_path "$2" || \ fatal "'`basename $DPATH`' is not a vblade-persist-managed export" if [ "$1" = "auto" ] ; then rm -f "$2/down" else touch "$2/down" fi } autoall() { local AUTO AUTO="$1" for dev in `ls "$VDIR"` ; do auto "$AUTO" "$VDIR/$dev" done } svall() { require_sv local CMD CMD="$1" for dev in `ls "$VDIR"` ; do svcommand "$CMD" "$VDIR/$dev" done } mac() { local SHELF SHELF="$1" shift local SLOT SLOT="$1" shift verify_shelf "$SHELF" || fatal "Not a valid shelf: '$SHELF'" verify_slot "$SLOT" || fatal "Not a valid slot: '$SLOT'" local DPATH DPATH="$VDIR/e$SHELF.$SLOT" verify_vblade_persist_path "$DPATH" || \ fatal "'`basename $DPATH`' is not a vblade-persist-managed export." local CHANGES CHANGES=no local CMD CMD="$1" case "$CMD" in clear) if (ls "$DPATH/macs/" | grep -q ^.) ; then rm -f "$DPATH"/macs/* CHANGES=yes fi ;; add) shift for mac in "$@"; do if ( ! verify_mac_address "$mac" ) ; then error "Not a valid MAC address: '$mac'" elif [ ! -e "$DPATH/macs/$mac" ] ; then touch "$DPATH/macs/$mac" CHANGES=yes fi done ;; del) shift for mac in "$@"; do if [ -e "$DPATH/macs/$mac" ] ; then rm -f "$DPATH/macs/$mac" CHANGES=yes fi done ;; ls) ls -1 "$DPATH/macs/" ;; *) usage exit 1; ;; esac # restart any running vblade upon change if [ "$CHANGES" = "yes" ] && \ [ -e "$DPATH/supervise/stat" ] && \ [ `cat "$DPATH/supervise/stat"` = "run" ] ; then sv restart "$DPATH" fi } case "$1" in setup) setup "$2" "$3" "$4" "$5" ;; destroy) destroy "$2" "$3" ;; ls) list "$2" ;; start|stop|restart) if [ "all" = "$2" ] ; then svall "$1" else verify_shelf "$2" || fatal "Not a valid shelf: '$2'" verify_slot "$3" || fatal "Not a valid slot: '$3'" svcommand "$1" "$VDIR/e$2.$3" fi ;; auto|noauto) if [ "all" = "$2" ] ; then autoall "$1" else verify_shelf "$2" || fatal "Not a valid shelf: '$2'" verify_slot "$3" || fatal "Not a valid slot: '$3'" auto "$1" "$VDIR/e$2.$3" fi ;; mac) shift mac "$@" ;; *) usage exit 1 ;; esac vblade-persist-0.6/vblade-persist.80000644000175000017500000001150110773016262015416 0ustar dkgdkg.TH vblade-persist 8 "2007-11-11" "vblade-persist" .SH NAME vblade-persist \- manage persistent exported ATA-over-Ethernet devices .SH SYNOPSIS .ti 4 .B vblade-persist ls .RB "[" --no-header "]" .br .ti 4 .B vblade-persist setup .I shelf slot netif blockdev .br .ti 4 .B vblade-persist destroy .I shelf slot .br .ti 4 .BR vblade-persist " { " start " | " stop " | " restart " | " auto " | " noauto " } " .I shelf slot .br .ti 4 .BR vblade-persist " { " start " | " stop " | " restart " | " auto " | " noauto " } " all .br .ti 4 .B vblade-persist mac .I shelf slot .RB "{ " ls " | " clear " }" .br .ti 4 .B vblade-persist mac .I shelf slot .RB "{ " add " | " del " } [ " .I addr .RB "... ]" .fi .SH DESCRIPTION The .B vblade-persist script is used to show and manipulate persistently-exported ATA-over-Ethernet devices. It has a simple subcommand syntax. Persistent AoE device exports can be configured to come up at boot time. For each running persistent AoE export, a symlink pointing to the backing device is created in /dev/etherd/, mirroring the devices seen by clients of the AoE device. .SH MANAGEMENT SUBCOMMANDS .ti 2 .BR ls " [" --noheader "]" .br .B vblade-persist ls shows all existing persistent AoE exports. The columns of the output are, in order: AoE Shelf, AoE Slot, Network Interface, Backing Device, AutoStart, Status. AutoStart is either "auto" (start automatically at boot), or "noauto" (don't start automatically at boot). Status should be either "run" (running) or "down" (not running). The optional .B --no-header argument suppresses the header line. This may be convenient for machine-parseable output. .ti 2 .B setup .I shelf slot netif source .br .B vblade-persist setup creates a new persistent exported AoE block device. You must supply all four additional arguments. These are the same arguments supplied to .BR vblade (8). You should specify .I source using an absolute path. New devices set up this way are .B noauto (not brought up automatically at boot) and .B down (not exported immediately). .ti 2 .B destroy .I shelf slot .br .B vblade-persist destroy halts any running exported AoE block device managed by .I vblade-persist and removes the service directory used to manage it. .ti 2 .B start .I shelf slot .br .ti 2 .B stop .I shelf slot .br .ti 2 .B restart .I shelf slot .br These commands control a specific exported AoE device. Instead of specifying .I shelf and .I slot , you can also provide the special keyword .B all which will act on every exported AoE device. .ti 2 .B auto .I shelf slot .br .ti 2 .B noauto .I shelf slot .br These commands control whether a specific exported AoE device should be started automatically ( .B auto ) or not ( .B noauto ) at system boot time. Instead of specifying .I shelf and .I slot , you can also provide the special keyword .B all which will act on every exported AoE device. .SH MAC-ADDRESS FILTERING You can use .B vblade-persist to restrict access to specific exports by MAC address, using the .B mac subcommand. .ti 2 .BI mac " shelf slot " ls .br List all MAC addresses allowed to access the specified device, one per line. If the list is empty, no MAC address limits are imposed on this device. .ti 2 .BI mac " shelf slot " clear .br Remove all MAC address filtering from the specified device. No MAC address limits will be imposed on this device. .ti 2 .B mac .I shelf slot .B add .RI "[ " addr " ... ]" .br Add a MAC address (or more than one) to the list of allowed addresses for the specified device. Note that if there were no MAC addresses listed previously, this will enable MAC address filtering for the device. .ti 2 .B mac .I shelf slot .B del .RI "[ " addr " ... ]" .br Remove a MAC address (or more than one) from the list of allowed addresses for the specific device. Note that if you remove all the MAC addresses from the list, this will disable MAC address filtering for the device. .SH EXAMPLES Set up .B /dev/sda2 as shelf .BR 2 ", slot " 3 on the network served by interface .BR eth0. Make sure it starts automatically at boot, and start it up now: .ti 10 .B vblade-persist setup 2 3 eth0 /dev/sda2 .br .ti 10 .B vblade-persist auto 2 3 .br .ti 10 .B vblade-persist start 2 3 Limit that same export to MAC addresses .BR aa:bb:cc:dd:ee:ff " and " 11:22:33:44:55:66 ":" .ti 10 .B vblade-persist mac 2 3 add aa:bb:cc:dd:ee:ff 11:22:33:44:55:66 Remove all MAC address restrictions on the same export: .ti 10 .B vblade-persist mac 2 3 clear .SH BUGS You can't currently use the .B vblade-persist framework to export a device (or two) with the same shelf/slot identifier on two different network interfaces. .SH DEPENDENCIES The exports themselves are handled by .BR vblade (8). Supervision of the exports and convenient management is enabled by .BR runsv (8), from the runit suite. .SH SEE ALSO vblade(8), runsv(8) .P .SH AUTHOR Daniel Kahn Gillmor