core/sqf/sql/scripts/trafnodestatus

 #!/bin/bash
#
# @@@ START COPYRIGHT @@@
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.
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# @@@ END COPYRIGHT @@@
#
# Script to check the trafodion-status of the nodes
# of a trafodion cluster.
#
# Switch "-j" prints the output in JSON format.
#

function traf_echo {
    if [[ ${lv_jason_output} == "1" ]]; then
	if [[ ${lv_first} == "1" ]]; then
	    lv_first=0
	    echo -n "["
	else
	    echo -n ","
	fi
	echo -n "{\"ERROR\":\"$*\"}"
    else
	echo $*
    fi
	
}

function traf_exit {
    if [[ ${lv_jason_output} == "1" ]]; then
	if [[ ${lv_first} == "0" ]]; then
	    echo "]"
	fi
    fi
    exit $1
}

lv_first=1
lv_jason_output=0
if [[ ! -z $1 ]]; then
    if [[ $1 == "-j" ]]; then
	lv_jason_output=1
    fi
fi

if [[ -z $TRAF_HOME ]]; then
    traf_echo "Looks like the Trafodion environment has not been configured. Exitting..."
    traf_exit 5;
fi

if [[ -z $SQSCRIPTS_DIR ]]; then
    SQSCRIPTS_DIR=$TRAF_HOME/sql/scripts
fi
SQCONFIGDB_FILE="$SQSCRIPTS_DIR/sqconfig.db"
if [[ ! -e ${SQCONFIGDB_FILE} ]]; then
    traf_echo "Cannot find the Trafodion configuration DB file ${SQCONFIGDB_FILE}"
    traf_echo "Please execute sqgen to generate this file."
    traf_exit 5;
fi

grep_out=`pstat | grep "monitor COLD" | grep -v mpirun`
if [[ $? == '0' ]]; then
   sqshell -c node info | awk -v jason_output=${lv_jason_output} -f $TRAF_HOME/sql/scripts/trafnodestatus.awk
   traf_exit $?
else
   traf_echo "Trafodion is not running on the current node: `hostname`"
   lv_monitor_not_running_on_curr_node=1
fi

if [[ ! -z ${SQ_VIRTUAL_NODES} ]]; then
    # Running in a single node environment
    traf_echo "Trafodion has been configured to run on a single virtual node environment."
    traf_exit 1
fi

grep_out_mon=`$TRAF_HOME/sql/scripts/cstat | grep "monitor COLD" `
lv_ret=$?
if [[ $lv_ret == 0 ]]; then
    grep_out=`cstat | grep "monitor COLD" | grep -v mpirun | sort | cut -d: -f1`
    for lv_node in $grep_out; do
	ssh $lv_node sqshell -c node info | awk -v jason_output=${lv_jason_output} -f $TRAF_HOME/sql/scripts/trafnodestatus.awk
        lv_sqcheck_retcode=$?
        traf_exit ${lv_exit_code}
    done
else
    traf_echo "None of the Trafodion nodes have a Trafodion monitor running on them."
    traf_echo "Trafodion is currently down."
    traf_exit 255;
fi