tests/cluster.rc


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#!/bin/bash

CLUSTER_PFX="127.1.1"; # ".x" for each glusterd
CLUSTER_COUNT=1; # Just initial definition

function launch_cluster() {
    local count=$1;

    CLUSTER_COUNT=$count;

    define_backends $count;
    define_hosts $count;
    define_glusterds $count $2;
    define_clis $count;

    start_glusterds;
}


function define_backends() {
    local b;

    for i in `seq 1 $count`; do
        eval "B$i=$B0/$i";
    done

    for i in `seq 1 $count`; do
        b="B$i";
        mkdir -p ${!b}/glusterd;
    done
}


function define_glusterds() {
    local count=$1;
    local h;
    local b;
    local wopt;
    local bopt;
    local popt;

    for i in `seq 1 $count`; do
        b="B$i";
        h="H$i";
        wopt="management.working-directory=${!b}/glusterd";
        bopt="management.transport.socket.bind-address=${!h}";
        popt="--pid-file=${!b}/glusterd.pid";
        sopt="management.glusterd-sockfile=${!b}/glusterd/gd.sock"
        #Get the logdir
        logdir=`gluster --print-logdir`
        #Fetch the testcases name and prefix the glusterd log with it
        logfile=`echo ${0##*/}`_glusterd$i.log
        lopt="--log-file=$logdir/$logfile"
        if [ "$2" == "-LDEBUG" ]; then
            eval "glusterd_$i='glusterd -LDEBUG --xlator-option $wopt --xlator-option $bopt --xlator-option $sopt $lopt $popt'";
            eval "glusterd$i='glusterd -LDEBUG --xlator-option $wopt --xlator-option $bopt --xlator-option $sopt $lopt $popt'";
        else
            eval "glusterd_$i='glusterd --xlator-option $wopt --xlator-option $bopt --xlator-option $sopt $lopt $popt'";
            eval "glusterd$i='glusterd --xlator-option $wopt --xlator-option $bopt --xlator-option $sopt $lopt $popt'";
        fi
    done
}

function start_glusterd() {
    local g
    local index=$1

    g="glusterd_${index}"
    ${!g}
}

function start_glusterds() {
    for i in `seq 1 $CLUSTER_COUNT`; do
        start_glusterd $i
    done
}


function kill_glusterd() {
    local index=$1;
    local b;
    local pidfile;

    b="B$index";
    pidfile="${!b}/glusterd.pid";

    kill `cat $pidfile`;
}


function kill_node() {
    local index=$1;
    local h;

    h="H$index";

    kill -9 $(ps -ef | grep gluster | grep ${!h} | awk '{print $2}');
}


function define_hosts() {
    local count=$1;

    for i in `seq 1 $count`; do
        eval "H_$i=${CLUSTER_PFX}.$i"
        eval "H$i=${CLUSTER_PFX}.$i";
        case $OSTYPE in
        NetBSD)
                ifconfig lo0 alias ${CLUSTER_PFX}.$i 2>/dev/null
                ;;
        *)
                ;;
        esac
    done
}


function define_clis() {
    local count=$1;
    local h;

    for i in `seq 1 $count`; do
        b="B$i";
        #get the logdir
        logdir=`gluster --print-logdir`
        #Fetch the testcases name and prefix the cli log with it
        logfile=`echo ${0##*/}`_cli$i.log
        lopt="--log-file=$logdir/$logfile"
        logfile1=`echo ${0##*/}`_cli_$i.log
        lopt1="--log-file=$logdir/$logfile1"


        eval "CLI_$i='$CLI --glusterd-sock=${!b}/glusterd/gd.sock $lopt'";
        eval "CLI$i='$CLI --glusterd-sock=${!b}/glusterd/gd.sock $lopt1'";
    done
}

function peer_count() {
    $CLI_1 peer status | grep 'Peer in Cluster (Connected)' | wc -l
}

function cluster_rebalance_status_field {
        #The rebalance status can be upto 3 words, (ex:'fix-layout in progress'), hence the awk-print $7 thru $9.
        #But if the status is less than 3 words, it also prints the next field i.e the run_time_in_secs.(ex:'completed 3.00').
        #So we trim the numbers out with  `tr`. Finally remove the trailing white spaces with sed. What we get is one of the
        #strings in the 'cli_vol_task_status_str' char array of cli-rpc-ops.c

        eval  \$CLI_$1 volume rebalance $2 status | awk '{print $7,$8,$9}' |sed -n 3p |tr -d '[^0-9+\.]'|sed 's/ *$//g'
}

function cluster_volinfo_field()
{
    local vol=$2;
    local field=$3;
    eval  \$CLI_$1  volume info $vol | grep "^$field: " | sed 's/.*: //';
}

function volinfo_field_1()
{
    local vol=$1;
    local field=$2;

    $CLI_1 volume info $vol | grep "^$field: " | sed 's/.*: //';
}

function volinfo_field_2()
{
    local vol=$1;
    local field=$2;

    $CLI_2 volume info $vol | grep "^$field: " | sed 's/.*: //';
}

function brick_up_status_1 {
        local vol=$1
        local host=$2
        local brick=$3
        $CLI_1 volume status $vol $host:$brick --xml | sed -ne 's/.*<status>\([01]\)<\/status>/\1/p'
}