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#!/bin/sh
# Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
# BEGIN environment bootstrap section
# Do not edit between here and END as this section should stay identical in all scripts
findpath () {
myname=${0}
mypath=${myname%/*}
myname=${myname##*/}
empty_if_start_slash=${mypath%%/*}
if [ "${empty_if_start_slash}" ]; then
mypath=$(pwd)/${mypath}
fi
if [ "$mypath" ] && [ -d "$mypath" ]; then
return
fi
mypath=$(pwd)
if [ -f "${mypath}/${myname}" ]; then
return
fi
echo "FATAL: Could not figure out the path where $myname lives from $0"
exit 1
}
COMMON_ENV=libexec/vespa/common-env.sh
source_common_env () {
if [ "$VESPA_HOME" ] && [ -d "$VESPA_HOME" ]; then
export VESPA_HOME
common_env=$VESPA_HOME/$COMMON_ENV
if [ -f "$common_env" ]; then
. $common_env
return
fi
fi
return 1
}
findroot () {
source_common_env && return
if [ "$VESPA_HOME" ]; then
echo "FATAL: bad VESPA_HOME value '$VESPA_HOME'"
exit 1
fi
if [ "$ROOT" ] && [ -d "$ROOT" ]; then
VESPA_HOME="$ROOT"
source_common_env && return
fi
findpath
while [ "$mypath" ]; do
VESPA_HOME=${mypath}
source_common_env && return
mypath=${mypath%/*}
done
echo "FATAL: missing VESPA_HOME environment variable"
echo "Could not locate $COMMON_ENV anywhere"
exit 1
}
findhost () {
if [ "${VESPA_HOSTNAME}" = "" ]; then
VESPA_HOSTNAME=$(vespa-detect-hostname || hostname -f || hostname || echo "localhost") || exit 1
fi
validate="${VESPA_HOME}/bin/vespa-validate-hostname"
if [ -f "$validate" ]; then
"$validate" "${VESPA_HOSTNAME}" || exit 1
fi
export VESPA_HOSTNAME
}
findroot
findhost
# END environment bootstrap section
ROOT=${VESPA_HOME%/}
cd $ROOT || { echo "Cannot cd to $ROOT" 1>&2; exit 1; }
usage() {
(
echo "This script will remove vespa indexes on this node."
echo "It will refuse to execute if Vespa is running."
echo "The following options are recognized:"
echo ""
echo "-cluster <cluster> only remove data for given cluster"
echo "-key <distribution key> only remove data for given key"
echo "-row <row number> only remove data for given row"
echo "-column <col number> only remove data for given column"
echo "-old remove data from Vespa 4.2 or older"
echo "-force do not ask for confirmation before removal"
) >&2
}
onlycluster=""
onlykey=""
onlyrow=""
onlycolumn=""
sudo="sudo"
ask=true
removeold=false
confirmed=true
olddir=var/db/vespa/index
newdir=var/db/vespa/search
if [ -w $newdir ] && [ -w $olddir ]; then
sudo=""
fi
while [ $# -gt 0 ]; do
case $1 in
-h|-help) usage; exit 0;;
-C|-cluster) shift; onlycluster="$1"; shift ;;
-k|-key) shift; onlykey="$1"; shift ;;
-r|-row) shift; onlyrow="$1"; shift ;;
-c|-column) shift; onlycolumn="$1" ; shift ;;
-nosudo) shift; sudo="" ;;
-sudo) shift; sudo="sudo" ;;
-old) shift; removeold=true ;;
-force) shift; ask=false ;;
*) echo "Unrecognized option '$1'" >&2; usage; exit 1;;
esac
done
# Will first check if vespa is running on this node
P_CONFIGPROXY=var/run/configproxy.pid
if [ -f $P_CONFIGPROXY ] && $sudo kill -0 `cat $P_CONFIGPROXY` 2>/dev/null; then
echo "[ERROR] Will not remove indexes while Vespa is running" 1>&2
echo "[ERROR] stop services and run 'ps xgauww' to check for Vespa processes" 1>&2
exit 1
fi
removedata() {
echo "[info] removing data: $sudo rm -rf $*"
$sudo rm -rf $*
echo "[info] removed."
}
confirm() {
confirmed=false
echo -n 'Really to remove this vespa index? Type "yes" if you are sure ==> ' 1>&2
answer=no
read answer
if [ "$answer" = "yes" ]; then
confirmed=true
else
confirmed=false
echo "[info] skipping removal ('$answer' != 'yes')"
fi
}
garbage_collect_dirs() {
find $olddir $newdir -type d -depth 2>/dev/null | while read dir; do
[ "$dir" = "$olddir" ] && continue
[ "$dir" = "$newdir" ] && continue
$sudo rmdir "$dir" 2>/dev/null
done
}
garbage_collect_dirs
if $removeold && [ -d $olddir ]; then
if $ask; then
kb=$(du -sk $olddir | awk '{print $1}')
if [ $kb -gt 100 ]; then
confirm
fi
fi
if $confirmed; then
removedata $olddir/*
fi
fi
dokey() {
key=$1
keydir=$clusterdir/n$key
if ! [ -e "$keydir" ]; then
echo "directory '$keydir' does not exist"
return
fi
kb=$(du -sk $keydir | awk '{print $1}')
echo "[info] For cluster $cluster distribution key $key you have:"
echo "[info] $kb kilobytes of data in $keydir"
if $ask && [ "$kb" -gt 2 ]; then
confirm
fi
if $confirmed; then
removedata $keydir
fi
echo ""
}
docol() {
column=$1
coldir=$rowdir/c$column
if ! [ -e "$coldir" ]; then
echo "directory '$coldir' does not exist"
return
fi
kb=$(du -sk $coldir | awk '{print $1}')
echo "[info] For cluster $cluster row $row column $column you have:"
echo "[info] $kb kilobytes of data in $coldir"
if $ask && [ "$kb" -gt 2 ]; then
confirm
fi
if $confirmed; then
removedata $coldir
fi
echo ""
}
dorow() {
row=$1
rowdir=$clusterdir/r$row
if [ "$onlycolumn" ]; then
docol $onlycolumn
else
for c in `ls $rowdir`; do
col=${c#c}
if [ "$col" ] && [ "$col" != "$c" ]; then
docol $col
fi
done
fi
}
docluster() {
cluster=$1
clusterdir=$newdir/cluster.$cluster
if ! [ -e "$clusterdir" ]; then
echo "Skip $cluster cluster: directory '$clusterdir' does not exist"
return
fi
kb=$(du -sk $clusterdir | awk '{print $1}')
if [ $kb -gt 1000 ]; then
echo "[info] You have $kb kilobytes of data for cluster $cluster"
fi
if [ "$onlykey" ]; then
dokey $onlykey
elif [ "$onlyrow" ]; then
dorow $onlyrow
else
for dirname in `ls $clusterdir`; do
key=${dirname#n}
if [ "$key" ] && [ "$key" != "$dirname" ]; then
dokey $key
fi
row=${dirname#r}
if [ "$row" ] && [ "$row" != "$dirname" ]; then
dorow $row
fi
done
fi
}
if [ "$onlycluster" ]; then
docluster $onlycluster
else
for dir in $newdir/cluster.* ; do
[ -d $dir ] || continue
cluster=${dir#*/cluster.}
docluster $cluster
done
fi
garbage_collect_dirs
exit 0
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