221 lines
7.0 KiB
Bash
221 lines
7.0 KiB
Bash
#!/bin/bash
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#
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# Copyright (c) 2016-2016 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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# This script provides support for CPE upgrades. It will be called during swacts
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# by the /usr/local/sbin/sm-notification python script, if we are in a small
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# footprint system (CPE)
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#
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# During a swact to, the script will delete the $VOLATILE_DISABLE_COMPUTE_SERVICES
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# flag and re-apply the compute manifests.
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# During a swact away from (downgrades), the script re-create the
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# $VOLATILE_DISABLE_COMPUTE_SERVICES flag and re-apply the compute manifests.
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#
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# This script should only re-apply the compute manifests if;
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# - It is running on a CPE (small footprint) system
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# - It is controller-1
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# - Controller-0 has not yet been upgraded
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#
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# This script logs to /var/log/platform.log
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#
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. /usr/bin/tsconfig
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. /etc/platform/platform.conf
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VOLATILE_CONFIG_PASS="/var/run/.config_pass"
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VOLATILE_CONFIG_FAIL="/var/run/.config_fail"
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IN_PROGRESS="/var/run/.compute_services_in_progress"
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TEMP_MATE_ETC_DIR="$VOLATILE_PATH/etc_platform_compute"
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TEMP_PUPPET_DIR="$VOLATILE_PATH/puppet_compute"
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# Copy of /opt/platform populate by compute_config
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VOLATILE_PLATFORM_PATH=$VOLATILE_PATH/cpe_upgrade_opt_platform
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# Process id and full filename of this executable
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NAME="[$$] $0($1)"
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end_exec()
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{
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rm $IN_PROGRESS
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exit 0
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}
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init()
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{
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local action_to_perform=$1
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# This will log to /var/log/platform.log
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logger -t $NAME -p local1.info "Begin ..."
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# Check if this program is currently executing, if so sleep for 5 seconds and check again.
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# After 10 minutes of waiting assume something is wrong and exit.
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count=0
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while [ -f $IN_PROGRESS ] ; do
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if [ $count -gt 120 ] ; then
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logger -t $NAME -p local1.error "Execution completion of previous call is taking more than 10 minutes. Exiting."
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end_exec
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fi
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logger -t $NAME -p local1.info "Sleep for 5 seconds"
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let count++
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sleep 5
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done
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touch $IN_PROGRESS
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HOST=$(hostname)
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if [ -z "$HOST" -o "$HOST" = "localhost" ] ; then
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logger -t $NAME -p local1.error "Host undefiled"
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end_exec
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fi
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# this script should only be performed on controller-1
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if [ "$HOST" != "controller-1" ] ; then
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logger -t $NAME -p local1.info "Exiting because this is not controller-1"
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end_exec
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fi
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# This script should only be called if we are in a CPE system
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sub_function=`echo "$subfunction" | cut -f 2 -d','`
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if [ $sub_function != "compute" ] ; then
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logger -t $NAME -p local1.error "Exiting because this is not CPE host"
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end_exec
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fi
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# Exit if called while the config compute success flag file is not present
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if [ ! -f $VOLATILE_CONFIG_PASS ] ; then
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logger -t $NAME -p local1.info "Exiting due to non-presence of $VOLATILE_CONFIG_PASS file"
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end_exec
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fi
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# Exit if called while the config compute failure flag file is present
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if [ -f $VOLATILE_CONFIG_FAIL ] ; then
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logger -t $NAME -p local1.info "Exiting due to presence of $VOLATILE_CONFIG_FAIL file"
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end_exec
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fi
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# Ensure we only run if the controller config is complete
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if [ ! -f /etc/platform/.initial_controller_config_complete ] ; then
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logger -t $NAME -p local1.warn "exiting because CPE controller that has not completed initial config"
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end_exec
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fi
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IPADDR=$(cat /etc/hosts | awk -v host=$HOST '$2 == host {print $1}')
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if [ -z "$IPADDR" ] ; then
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logger -t $NAME -p local1.error "Unable to get IP from host: $HOST"
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end_exec
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fi
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# The platform filesystem was mounted in compute_config and copied in a temp
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# location
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if [ ! -f $VOLATILE_PLATFORM_PATH/config/${SW_VERSION}/hosts ] ; then
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logger -t $NAME -p local1.error "Error accessing $VOLATILE_PLATFORM_PATH"
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end_exec
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fi
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# Check the release version of controller-0
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mkdir $TEMP_MATE_ETC_DIR
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nfs-mount controller-0:/etc/platform $TEMP_MATE_ETC_DIR
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if [ $? -eq 0 ] ; then
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# Should only be executed when the releases do not match
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MATE_SW_VERSION=$(source $TEMP_MATE_ETC_DIR/platform.conf && echo $sw_version)
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logger -t $NAME -p local1.info "SW_VERSION: $SW_VERSION MATE_SW_VERSION: $MATE_SW_VERSION"
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# Check whether software versions match on the two controllers
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# Since controller-1 is always upgraded first (and downgraded
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# last), we know that controller-1 is running a higher release
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# than controller-0.
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if [ $SW_VERSION == $MATE_SW_VERSION ] ; then
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logger -t $NAME -p local1.info "Releases matches... do not continue"
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umount $TEMP_MATE_ETC_DIR
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rmdir $TEMP_MATE_ETC_DIR
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end_exec
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fi
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else
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logger -t $NAME -p local1.error "Unable to mount /etc/platform"
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rmdir $TEMP_MATE_ETC_DIR
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end_exec
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fi
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umount $TEMP_MATE_ETC_DIR
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rmdir $TEMP_MATE_ETC_DIR
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# Copy the puppet data into $TEMP_PUPPET_DIR
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VOLATILE_PUPPET_PATH=${VOLATILE_PLATFORM_PATH}/puppet/${SW_VERSION}
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logger -t $NAME -p local1.info "VOLATILE_PUPPET_PATH = $VOLATILE_PUPPET_PATH"
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rm -rf $TEMP_PUPPET_DIR
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cp -R $VOLATILE_PUPPET_PATH $TEMP_PUPPET_DIR
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if [ $? -ne 0 ] ; then
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logger -t $NAME -p local1.error "Failed to copy packstack directory $VOLATILE_PUPPET_PATH to $TEMP_PUPPET_DIR "
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end_exec
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fi
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# Update the VOLATILE_DISABLE_COMPUTE_SERVICES flag and stop nova-compute if in "stop"
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if [ $action_to_perform == "stop" ] ; then
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logger -t $NAME -p local1.info "Disabling compute services"
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# Set the compute services disable flag used by the manifest
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touch $VOLATILE_DISABLE_COMPUTE_SERVICES
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# Stop nova-compute
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logger -t $NAME -p local1.info "Stopping nova-compute"
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/etc/init.d/e_nova-init stop
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else
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logger -t $NAME -p local1.info "Enabling compute services"
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# Clear the compute services disable flag used by the manifest
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rm $VOLATILE_DISABLE_COMPUTE_SERVICES
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fi
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# Apply the puppet manifest
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HOST_HIERA=${TEMP_PUPPET_DIR}/hieradata/${IPADDR}.yaml
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if [ -f ${HOST_HIERA} ]; then
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echo "$0: Running puppet manifest apply"
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puppet-manifest-apply.sh ${TEMP_PUPPET_DIR}/hieradata ${IPADDR} compute
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RC=$?
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if [ $RC -ne 0 ];
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then
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logger -t $NAME -p local1.info "Failed to run the puppet manifest (RC:$RC)"
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end_exec
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fi
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else
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logger -t $NAME -p local1.info "Host configuration not yet available for this node ($(hostname)=${IPADDR}); aborting configuration."
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end_exec
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fi
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# Start nova-compute is we are starting compute services
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if [ $action_to_perform == "start" ] ; then
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logger -t $NAME -p local1.info "Starting nova-compute"
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/etc/init.d/e_nova-init start
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fi
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# Cleanup
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rm -rf $TEMP_PUPPET_DIR
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logger -t $NAME -p local1.info "... Done"
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end_exec
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}
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case "$1" in
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start)
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init $1
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;;
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stop)
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init $1
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;;
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*)
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logger -t $NAME -p local1.info "Usage: $0 {start|stop}"
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exit 1
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;;
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esac
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end_exec
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