Subversion Repositories planix.SVN

#!/bin/rc

# desc: initialize disks for a venti server
# prereq: mountdist

switch($1){
case checkready checkdone
        if(! ~ $fstype fossil+venti){
                fmtventi=notdone
                export fmtventi
                exit
        }
        if(! test -e /bin/venti/fmtarenas || ! test -e /bin/venti/fmtisect || ! test -e /bin/venti/fmtindex){
                bind -a /n/dist/386/bin/venti /bin/venti
                if(! test -e /bin/venti/fmtarenas || ! test -e /bin/venti/fmtisect || ! test -e /bin/venti/fmtindex){
                        fmtventi=notdone
                        export fmtventi
                        exit
                }
        }
        ff=`{ls /dev/sd*/arenas* /dev/fs/arenas* >[2]/dev/null}
        if(~ $#ff 0){
                fmtventi=notdone
                export fmtventi
                exit
        }
        gg=()
        for(f in $ff)
                if(isventi $f)
                        gg=($gg $f)
        if(~ $#gg 0){
                fmtventi=ready
                export fmtventi
                exit
        }

        ventiarena=$gg(1)
        export ventiarena

        fmtventi=done
        export fmtventi
        exit

case go
        ff=`{ls /dev/sd*/arenas* /dev/fs/arenas* >[2]/dev/null}
        if(~ $#ff 0){
                echo 'You need to create a partition or partitions to hold the Venti arenas.'
                echo 'The arena partition names must begin with "arenas".'
                echo
                fmtventi=notdone
                export fmtventi
                exit
        }
        default=(-d $"ff)
        if(! ~ $#ventiarena 0){
                default=(-d $"ventiarena)
        }
        echo You have the following Venti arena partitions.
        ls -l $ff
        echo

        prompt $default 'Venti arena partitions to use'
        aa=`{echo $rd}
        bad=no
        for(a in $aa){
                if(! ~ $a $ff){
                        echo 'Bad venti arena partition' $a
                        fmtventi=notdone
                        export fmtventi
                        exit
                }
        }
        ventiarena=$aa
        export ventiarena

        gg=`{ls /dev/sd*/isect* /dev/fs/isect* >[2]/dev/null}
        if(~ $#gg 0){
                echo 'You need to create a partition or partitions to hold the Venti indices.'
                echo 'The index partition names must begin with "isect".'
                echo
                fmtventi=notdone
                export fmtventi
                exit
        }
        default=(-d $"gg)
        if(! ~ $#ventiindex 0){
                default=(-d $"ventiindex)
        }

        echo You have the following Venti index partitions.
        ls -l $gg
        echo

        prompt $default 'Venti index partitions to use'
        aa=`{echo $rd}
        bad=no
        for(a in $aa){
                if(! ~ $a $gg){
                        echo 'Bad venti index partition' $a
                        fmtventi=notdone
                        export fmtventi
                        exit
                }
        }
        ventiindex=$aa
        export ventiindex

        n=-1
        fmta=()
        for(a in $ventiarena){
                do=yes
                n=`{hoc -e 1+$n}
                if(isventiarenas $a){
                        echo File $a is already formatted as a Venti arenas partition.
                        prompt -d no 'Reformat '$a yes no
                        do=$rd
                }
                if(~ $do yes)
                        fmta=($fmta arenas$n:$a)
        }

        n=-1
        fmti=()
        for(a in $ventiindex){
                do=yes
                n=`{hoc -e 1+$n}
                if(isventiisect $a){
                        echo File $a is already formatted as a Venti index section.
                        prompt -d no 'Reformat '$a yes no
                        do=$rd
                }
                if(~ $do yes)
                        fmti=($fmti isect$n:$a)
        }

        echo Formatting Venti arenas and indices (this takes a while).
        # do each disk in parallel
        echo good >/tmp/fmt
        dd=()
        for(a in $fmta $fmti){
                d=`{echo $a | sed 's!.*:(/.*/).*!\1!'}
                if(! ~ $d $dd)
                        dd=($dd $d)
        }
        for(d in $dd){
                {
                        for(a in $fmta){
                                i=`{echo $a | sed 's!(.*):(/.*/)(.*)!\1 \2 \2\3!'}
                                if(~ $i(2) $d){
                                        echo $i(3) ...
                                        venti/fmtarenas $i(1) $i(3) || echo bad >/tmp/fmt
                                        echo done with $i(3)
                                }
                        }
                        for(a in $fmti){
                                i=`{echo $a | sed 's!(.*):(/.*/)(.*)!\1 \2 \2\3!'}
                                if(~ $i(2) $d){
                                        echo $i(3) ...
                                        venti/fmtisect $i(1) $i(3) || echo bad >/tmp/fmt
                                        echo done with $i(3)
                                }
                        }
                } &
        }
        wait
        if(~ bad `{cat /tmp/fmt}){
                echo There were errors formatting the indices and arenas.
                fmtventi=ready
                export fmtventi
                exit errors
        }

        echo Done formatting Venti arenas and indices.

        v=$ventiarena(1)
        echo Storing Venti config on $v...
        {
                echo index main
                for(i in $ventiindex)
                        echo isect $i
                for(a in $ventiarena)
                        echo arenas $a
        } | venti/conf -w $v

        echo Initializing index...
        venti/fmtindex $v

        echo Done with Venti!
}