129 lines
3.5 KiB
Bash
129 lines
3.5 KiB
Bash
#!/bin/bash
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#
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# Copyright (c) 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 an example in-service patching restart
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#
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#
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# The patching subsystem provides a patch-functions bash source file
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# with useful function and variable definitions.
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#
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. /etc/patching/patch-functions
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#
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# We can now check to see what type of node we're on, if it's locked, etc,
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# and act accordingly
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#
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#
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# Declare an overall script return code
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#
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declare -i GLOBAL_RC=$PATCH_STATUS_OK
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# NOTE: The following restart example code could be implemented in scripts
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# owned by the various domains, with a single high-level call in the patch-script.
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# This would be the preferred method, in fact, to ensure the patch-scripts
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# themselves are simple and clean.
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#
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#
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# First up, we'll handle restarting the sysinv-agent, which runs on all nodes
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#
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if [ ! -f $PATCH_FLAGDIR/sysinv-agent.restarted ]
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then
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# The sysinv-agent has not yet been restarted in this patch operation
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systemctl status sysinv-agent.service
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if [ $? -eq 0 ]
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then
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# The daemon is running, so restart it
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loginfo "$0: Restarting sysinv-agent"
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pmon-restart sysinv-agent
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touch $PATCH_FLAGDIR/sysinv-agent.restarted
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# Wait up to 15 seconds for service to recover
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let -i UNTIL=$SECONDS+15
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while [ $UNTIL -ge $SECONDS ]
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do
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# Check to make sure it's running
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systemctl status sysinv-agent.service
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if [ $? -eq 0 ]
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then
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break
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fi
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# Not running... Let's wait a couple of seconds and check again
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sleep 2
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done
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systemctl status sysinv-agent.service
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if [ $? -ne 0 ]
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then
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# Still not running! Clear the flag and mark the RC as failed
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rm -f $PATCH_FLAGDIR/sysinv-agent.restarted
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GLOBAL_RC=$PATCH_STATUS_FAILED
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loginfo "$0: Failed to restart sysinv-agent"
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fi
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fi
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fi
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#
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# Next, handle restarting horizon.
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# TODO: There will be some SM enhancements coming to provide
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# utilities we can use to facilitate in-service patching.
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# For now, we'll do this a slightly uglier fashion
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#
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if is_controller
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then
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# Horizon only runs on the controller
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if [ ! -f $PATCH_FLAGDIR/horizon.restarted ]
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then
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# Check SM to see if Horizon is running
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sm-query service horizon | grep -q 'enabled-active'
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if [ $? -eq 0 ]
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then
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loginfo "$0: Restarting horizon"
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# Ask SM to restart Horizon
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sm-restart service horizon
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touch $PATCH_FLAGDIR/horizon.restarted
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# Wait up to 30 seconds for service to recover
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let -i UNTIL=$SECONDS+30
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while [ $UNTIL -ge $SECONDS ]
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do
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# Check to see if it's running
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sm-query service horizon | grep -q 'enabled-active'
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if [ $? -eq 0 ]
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then
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break
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fi
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# Still not running? Let's wait 5 seconds and check again
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sleep 5
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done
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sm-query service horizon | grep -q 'enabled-active'
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if [ $? -ne 0 ]
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then
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# Still not running! Clear the flag and mark the RC as failed
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loginfo "$0: Failed to restart horizon"
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rm -f $PATCH_FLAGDIR/horizon.restarted
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GLOBAL_RC=$PATCH_STATUS_FAILED
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sm-query service horizon
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fi
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fi
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fi
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fi
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#
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# Exit the script with the overall return code
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#
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exit $GLOBAL_RC
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