live_checkpoint.sh #5

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#!/bin/bash
#------------------------------------------------------------------------------
# Copyright (c) Perforce Software, Inc., 2007-2015. All rights reserved
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1  Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
# 2.  Redistributions in binary form must reproduce the above copyright
#     notice, this list of conditions and the following disclaimer in the
#     documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL PERFORCE
# SOFTWARE, INC. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
# TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
# THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
# DAMAGE.
#------------------------------------------------------------------------------

# This script must be called using the p4master_run script in order to properly set
# the environment variables for the script to reference. The p4master_run scripts
# source /p4/common/bin/p4_vars to set the environment variables that this script
# depends on.
#
# This script is using the following external variables:
#
# SDP_INSTANCE - The instance of Perforce that is being backed up. Always an
# integer value.
#
# P4HOME - Server's home directory.
# P4BIN - Command line client name for the instance being backed up.
# P4DBIN - Server executable name for the instance being backed up.
# P4ROOT - Server's root directory. p4/root, p4_N/root
# P4PORT - TCP/IP port for the server instance being backed up.
# P4JOURNAL - Location of the Journal for the server instance being backed up.
#
#
export SDP_INSTANCE=${SDP_INSTANCE:-Undefined} 
export SDP_INSTANCE=${1:-$SDP_INSTANCE} 
if [[ $SDP_INSTANCE == Undefined ]]; then 
   echo "Instance parameter not supplied." 
   echo "You must supply the Perforce instance as a parameter to this script." 
   exit 1 
fi 
. /p4/common/bin/p4_vars $SDP_INSTANCE
. /p4/common/bin/backup_functions.sh

checkpoint () {
	log "Create a new checkpoint from the live db files."
    # curly braces are necessary to capture the output of 'time'
    { time $P4DBIN -r $P4ROOT -jc -Z ${CHECKPOINTS}/${P4SERVER}; } \
        >>"$LOGFILE" 2>&1 || \
	    { die "ERROR - New checkpoint failed!"; }
}

recreate_offline_db_files () {
	log "Recreate offline db files from last checkpoint."
	rm -f $OFFLINE_DB/db.*
    # curly braces are necessary to capture the output of 'time'
    { time $P4DBIN -r $OFFLINE_DB -J off -jr -z ${CHECKPOINTS}/${P4SERVER}.ckp.${CHECKPOINTNUM}.gz; } \
        >>"$LOGFILE" 2>&1 || \
	    { log "ERROR - Restore of checkpoint to $OFFLINE_DB failed!"; }
}

######### Start of Script ##########

check_vars
set_vars
check_dirs
/p4/common/bin/p4login
get_journalnum
rotate_last_run_logs
log "Start $P4SERVER Checkpoint"
checkpoint
recreate_offline_db_files
remove_old_checkpoints_and_journals
remove_old_logs
log "End $P4SERVER Checkpoint"
mail_log_file "$HOSTNAME $P4SERVER live checkpoint log."
# Change User Description Committed
#16 30915 C. Thomas Tyler Released SDP 2024.1.30913 (2024/11/20).
Copy Up using 'p4 copy -r -b perforce_software-sdp-dev'.
#15 30297 C. Thomas Tyler Released SDP 2023.2.30295 (2024/05/08).
Copy Up using 'p4 copy -r -b perforce_software-sdp-dev'.
#14 20974 C. Thomas Tyler Released SDP 2016.2.20972 (2016/11/01).
Copy Up using 'p4 copy -r -b perforce_software-sdp-dev'.
#13 20767 C. Thomas Tyler Released SDP 2016.2.20755 (2016/09/29).
Copy Up using 'p4 copy -r -b perforce_software-sdp-dev'.
#12 19835 C. Thomas Tyler Released Rev.
SDP/MultiArch/2016.1/19768 (2016/06/24).
Copy Up using 'p4 copy -r -b perforce_software-sdp-dev'.
#11 18619 Russell C. Jackson (Rusty) Updating main with current changes.
#10 15856 C. Thomas Tyler Replaced the big license comment block with a shortened
form referencing the LICENSE file included with the SDP
package, and also by the URL for the license file in
The Workshop.
#9 15777 C. Thomas Tyler No functional changes.

Style Policing only on bash scripts only.

Normalized indentation and line breaks, removed offending tabs, and general whitespace
usage.
#8 15609 C. Thomas Tyler Pushing SDP 2015.1.15607 (2015/09/02).
#7 15197 Russell C. Jackson (Rusty) Corrected versions from testing.
#6 15190 Russell C. Jackson (Rusty) Added a semaphore file to prevent the checkpoint process from running if another one
 hasn't finished.

 Added a check to make sure the journal number is numeric.
#5 13908 C. Thomas Tyler Pushing SDP 2015.1.13906.
#4 12171 Russell C. Jackson (Rusty) Merge in changes to remove the need for p4master_run.
#3 11707 Robert Cowham Refactored sending of mail to a common function.
Make the setting of "MAILFROM" work for Ubuntu (GNU Mailutils) as well as CentOS
#2 11570 Russell C. Jackson (Rusty) Brought in changes from Mark Foundry to add -S $MAILFROM to mail commands.

 Changed sync_replica.sh and weekly_sync_replica.sh to use $LOGFILE for consistency.

 Added mail command to both files as well.
#1 10148 C. Thomas Tyler Promoted the Perforce Server Deployment Package to The Workshop.