160 lines
4.0 KiB
Bash
160 lines
4.0 KiB
Bash
#! /bin/bash
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#
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# Copyright (c) 2015-2017 Wind River Systems, Inc.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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#
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### BEGIN INIT INFO
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# Provides: nova-init
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# Default-Start: 3 5
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# Default-Stop: 0 1 2 6
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# Short-Description: Cleanup pmon.d nova linkages
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### END INIT INFO
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# Platform paths and flags
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. /usr/bin/tsconfig
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# Linux Standard Base (LSB) Error Codes
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SUCCESS=0
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GENERIC_ERROR=1
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INVALID_ARGS=2
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NOVA_INIT_TAG=${NOVA_INIT_TAG:-"NOVA_INIT"}
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function log
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{
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logger -p local1.info -t ${NOVA_INIT_TAG} $@
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}
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NOVA_RUN="/var/run/nova"
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NOVA_INIT_FAILED="${NOVA_RUN}/.nova_init_failed"
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NOVA_CLEANUP_DONE_FILE="${NOVA_RUN}/.nova_cleanup_done"
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NOVA_COMPUTE_ENABLED="${NOVA_RUN}/.nova_compute_enabled"
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NOVA_CLEANUP_PID_FILE="${NOVA_RUN}/nova-cleanup.pid"
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NOVA_COMPUTE_PMOND_TARGET="/etc/nova/nova-compute.conf"
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NOVA_COMPUTE_PMOND_SYMLINK="/etc/pmon.d/nova-compute.conf"
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NOVA_CLEANUP_PMOND_TARGET="/etc/nova/nova-cleanup.conf"
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NOVA_CLEANUP_PMOND_SYMLINK="/etc/pmon.d/nova-cleanup.conf"
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case "$1" in
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start)
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log "Start"
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mkdir -p ${NOVA_RUN}
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chown nova:root ${NOVA_RUN}
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# Assume we failed, and clear when we make it to nova-cleanup phase.
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touch ${NOVA_INIT_FAILED}
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if [ -f ${NOVA_COMPUTE_ENABLED} ]
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then
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rm ${NOVA_COMPUTE_ENABLED}
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fi
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if [ -f ${NOVA_CLEANUP_PID_FILE} ]
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then
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rm ${NOVA_CLEANUP_PID_FILE}
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fi
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if [ -f ${NOVA_CLEANUP_DONE_FILE} ]
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then
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rm ${NOVA_CLEANUP_DONE_FILE}
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fi
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if [ -e ${NOVA_COMPUTE_PMOND_SYMLINK} ]
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then
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rm ${NOVA_COMPUTE_PMOND_SYMLINK}
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fi
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# Do not continue if the host has not been configured. We don't
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# want to run nova-compute before its config file has been updated.
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if [ ! -f ${INITIAL_COMPUTE_CONFIG_COMPLETE} ]
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then
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log "Initial compute configuration is not complete"
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exit ${GENERIC_ERROR}
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fi
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# Do not continue if the compute services are disabled.
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if [ -f ${VOLATILE_DISABLE_COMPUTE_SERVICES} ]
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then
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log "Compute services are disabled, nothing to do"
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rm ${NOVA_INIT_FAILED}
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exit ${SUCCESS}
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fi
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if ! [ -e ${NOVA_CLEANUP_PMOND_SYMLINK} ]
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then
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ln -s ${NOVA_CLEANUP_PMOND_TARGET} ${NOVA_CLEANUP_PMOND_SYMLINK}
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if [ $? -ne 0 ]
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then
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log "Failed to create nova-cleanup symbolic link"
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exit ${GENERIC_ERROR}
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fi
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fi
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# There is interaction and timing between: e_nova-init, nova-startup,
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# nova-cleanup, nova-compute, nova-goenabled. It is much simpler to
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# let nova-goenabled detect when service is actually enabled.
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# Clear the init failure flag prior to nova-cleanup.
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rm ${NOVA_INIT_FAILED}
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# Do in the background because of the long execution time.
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log "Start Nova-Cleanup"
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MAX_PID_WAIT=$((SECONDS+45))
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timeout --signal KILL 300s /etc/init.d/nova-cleanup start &
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while ! [ -f ${NOVA_CLEANUP_PID_FILE} ]
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do
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log "Waiting for Nova-Cleanup to start"
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if [ ${SECONDS} -gt ${MAX_PID_WAIT} ]
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then
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log "Timeout waiting for Nova-Cleanup pid"
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exit ${GENERIC_ERROR}
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fi
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sleep 1
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done
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NOVA_CLEANUP_PID=$(cat ${NOVA_CLEANUP_PID_FILE})
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log "Nova-Cleanup pid ${NOVA_CLEANUP_PID} started"
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log "Finished"
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;;
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stop)
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log "Stop"
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# Remove this just in case...
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if [ -f ${NOVA_INIT_FAILED} ]
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then
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rm ${NOVA_INIT_FAILED}
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fi
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# Stop pmon monitoring of nova-compute
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if [ -e ${NOVA_COMPUTE_PMOND_SYMLINK} ]
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then
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rm ${NOVA_COMPUTE_PMOND_SYMLINK}
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fi
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# Stop nova-compute
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/etc/init.d/nova-compute stop
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log "Finished"
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;;
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*)
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echo "Usage: $0 {start|stop}"
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exit ${INVALID_ARGS}
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;;
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esac
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exit ${SUCCESS}
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