metal/inventory/inventory/scripts/inventory-agent-initd

#! /bin/sh
#
# Copyright (c) 2018 Wind River Systems, Inc.
#
# SPDX-License-Identifier: Apache-2.0
#

#
# chkconfig: 2345 75 25
#
### BEGIN INIT INFO
# Provides:          inventory-agent
# Default-Start:     3 5
# Default-Stop:      0 1 2 6
# Short-Description: inventory-agent daemon
### END INIT INFO

. /etc/init.d/functions
. /etc/build.info


PLATFORM_CONF="/etc/platform/platform.conf"
NODETYPE=""
DAEMON_NAME="inventory-agent"
INVENTORYAGENT="/usr/bin/${DAEMON_NAME}"
INVENTORY_CONF_DIR="/etc/inventory"
INVENTORY_CONF_FILE="${INVENTORY_CONF_DIR}/inventory.conf"
INVENTORY_CONF_DEFAULT_FILE="/opt/platform/inventory/${SW_VERSION}/inventory.conf.default"
INVENTORY_READY_FLAG=/var/run/.inventory_ready

DELAY_SEC=20

daemon_pidfile="/var/run/${DAEMON_NAME}.pid"

if [ -f ${PLATFORM_CONF} ] ; then
    NODETYPE=`cat ${PLATFORM_CONF} | grep nodetype | cut -f2 -d'='`
else
    logger "$0: ${PLATFORM_CONF} is missing"
    exit 1
fi

if [ ! -e "${INVENTORYAGENT}" ] ; then
    logger "$0: ${INVENTORYAGENT} is missing"
    exit 1
fi

RETVAL=0

PATH=/sbin:/usr/sbin:/bin:/usr/bin:/usr/local/bin
export PATH

mount_and_copy_config_file()
{
    echo "Mount /opt/platform"
    logger "$0: Info: nfs-mount controller:/opt/platform/inventory/${SW_VERSION} /mnt/inventory"
    mkdir /mnt/inventory
    timeout 10s nfs-mount controller:/opt/platform/inventory/${SW_VERSION} /mnt/inventory &> /dev/null
    RETVAL=$?
    # 0 = true
    if [ ${RETVAL} -ne 0 ] ; then
        logger "$0: Warn: nfs-mount controller:/opt/platform/inventory/${SW_VERSION} /mnt/inventory"
    else
        mkdir -p $INVENTORY_CONF_DIR
        cp /mnt/inventory/inventory.conf.default ${INVENTORY_CONF_FILE}
        RETVAL=$?
        if [ $? -ne 0 ] ; then
            logger "$0: Warn: cp /mnt/inventory/inventory.conf.default ${INVENTORY_CONF_FILE}"
        fi
        timeout 5s umount /mnt/inventory
        rmdir /mnt/inventory
    fi

    return ${RETVAL}
}


case "$1" in
    start)
        # Check for installation failure
        if [ -f /etc/platform/installation_failed ] ; then
            logger "$0: /etc/platform/installation_failed flag is set. Aborting."
            exit 1
        fi

        echo -n "Setting up config for inventory-agent: "
        if [ -e ${INVENTORY_READY_FLAG} ] ; then
            # clear it on every restart, so agent can update it
            rm -f ${INVENTORY_READY_FLAG}
        fi

        if [ -f ${INVENTORY_CONF_FILE} ] ; then
            logger "$0: ${INVENTORY_CONF_FILE} already exists"
            RETVAL=0
        else
            # Avoid self-mount due to potential nfs issues
            echo "Checking for controller-platform-nfs "

            # try for DELAY_SEC seconds to reach controller-platform-nfs
            START=`date +%s`
            FOUND=0
            while [ $(date +%s) -lt $(( ${START} + ${DELAY_SEC} )) ] ; do
                ping -c 1 controller-platform-nfs > /dev/null 2>&1 || ping6 -c 1 controller-platform-nfs > /dev/null 2>&1
                if [ $? -eq 0 ] ; then
                    FOUND=1
                    break
                fi
                sleep 1
            done

            CONF_COPIED=0
            if [ ${FOUND} -eq 0 ] ; then
                # 'controller-platform-nfs' is not available; continue other setup
                echo "controller-platform-nfs is not available"
            else
                # Only required if conf file does not already exist
                if [ -f ${INVENTORY_CONF_DEFAULT_FILE} ] ; then
                    echo "Copying self inventory.conf without mount"
                    mkdir -p $INVENTORY_CONF_DIR
                    cp ${INVENTORY_CONF_DEFAULT_FILE} ${INVENTORY_CONF_FILE}
                    RETVAL=$?
                    if [ $? -ne 0 ] ; then
                        logger "$0: Warn: cp /mnt/inventory/inventory.conf.default ${INVENTORY_CONF_FILE} failed. Try mount."
                    else
                        CONF_COPIED=1
                    fi
                fi
                if [ ${CONF_COPIED} -eq 0 ] ; then
                    CONF_COPY_COUNT=0
                    while [ $CONF_COPY_COUNT -lt 3 ]; do
                        if mount_and_copy_config_file ; then
                            logger "$0: Info: Mount and copy config file PASSED. Attempt: ${CONF_COPY_COUNT}"
                            break
                        fi
                        let CONF_COPY_COUNT=CONF_COPY_COUNT+1
                        logger "$0: Warn: Mount and copy config file failed. Attempt: ${CONF_COPY_COUNT}"
                    done
                fi
            fi
        fi

        if [ -e ${daemon_pidfile} ] ; then
            echo "Killing existing process before starting new"
            pid=`cat ${daemon_pidfile}`
            kill -TERM $pid
            rm -f ${daemon_pidfile}
        fi

        echo -n "Starting inventory-agent: "
        /bin/sh -c "${INVENTORYAGENT}"' >> /dev/null 2>&1 & echo $!' > ${daemon_pidfile}
        RETVAL=$?
        if [ $RETVAL -eq 0 ] ; then
            echo "OK"
            touch /var/lock/subsys/${DAEMON_NAME}
        else
            echo "FAIL"
        fi
        ;;

    stop)
        echo -n "Stopping inventory-agent: "
        if [ -e ${daemon_pidfile} ] ; then
            pid=`cat ${daemon_pidfile}`
            kill -TERM $pid
            rm -f ${daemon_pidfile}
            rm -f /var/lock/subsys/${DAEMON_NAME}
            echo "OK"
        else
            echo "FAIL"
        fi
        ;;

    restart)
        $0 stop
        sleep 1
        $0 start
        ;;

    status)
        if [ -e ${daemon_pidfile} ] ; then
            pid=`cat ${daemon_pidfile}`
            ps -p $pid | grep -v "PID TTY" >> /dev/null 2>&1
            if [ $? -eq 0 ] ; then
                echo "inventory-agent is running"
                RETVAL=0
            else
                echo "inventory-agent  is not running"
                RETVAL=1
            fi
        else
            echo "inventory-agent is not running ; no pidfile"
            RETVAL=1
        fi
        ;;

    condrestart)
        [ -f /var/lock/subsys/$DAEMON_NAME ] && $0 restart
        ;;

    *)
        echo "usage: $0 { start | stop | status | restart | condrestart | status }"
        ;;
esac

exit $RETVAL