request_replica_checkpoint.sh #2

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#!/bin/bash
#==============================================================================
# Copyright and license info is available in the LICENSE file included with
# the Server Deployment Package (SDP), and also available online:
# https://swarm.workshop.perforce.com/projects/perforce-software-sdp/view/main/LICENSE
#------------------------------------------------------------------------------

# This script is intended to be run on a standby replica.  It essentially just
# calls 'p4 admin checkpoint -Z' to request a checkpoint and exits. The actual
# checkpoint is created on the next journal rotation on the master.

export SDP_INSTANCE="${SDP_INSTANCE:-Unset} "
export SDP_INSTANCE="${1:-$SDP_INSTANCE}"
if [[ "$SDP_INSTANCE" == Unset ]]; then 
   echo "Instance parameter not supplied." 
   echo "You must supply the Perforce instance as a parameter to this script." 
   exit 1 
fi 

source /p4/common/bin/p4_vars $SDP_INSTANCE
source /p4/common/bin/backup_functions.sh
LOGFILE=$LOGS/request_checkpoint.log

######### Start of Script ##########
check_vars
set_vars
rotate_last_run_logs
log "Start $P4SERVER Replica Request Checkpoint"
check_uid
check_dirs
$P4CBIN/p4login

log "$P4BIN admin checkpoint -Z"
$P4BIN admin checkpoint -Z >> "$LOGFILE" 2>&1 &

remove_old_checkpoints_and_journals
remove_old_logs
log "End $P4SERVER Replica Checkpoint"
mail_log_file "$HOSTNAME $P4SERVER replica request checkpoint log."
# Change User Description Committed
#6 31022 C. Thomas Tyler Removed calls to remove_old_checkpoints_and_journals and remove_old_logs
from request_replica_checkpoint.sh. The removal of old checkpoints/logs
is only to be done upon successful completion of a new checkpoint
operation, and this script only makes the request to start a checkpoint;
it does not verify successful completion.
#5 30652 C. Thomas Tyler Added undoc '-now' option to request_replica_checkpoint.sh to
call 'p4 admin journal' on the commit to trigger an immediate
checkpoint. This option may be documented in a future release
(when command line processing is normalized across the fleet).
#4 30319 C. Thomas Tyler Fixed SDP_INSTANCE value in request_replica_checkpoint.sh
#3 30175 C. Thomas Tyler request_replica_checkpoint.sh can request parallel checkpoints.

Added safety check to avoid running 'p4 admin checkpoint' command
against the commit.

#review-30176
#2 27722 C. Thomas Tyler Refinements to @27712:
* Resolved one out-of-date file (verify_sdp.sh).
* Added missing adoc file for which HTML file had a change (WorkflowEnforcementTriggers.adoc).
* Updated revdate/revnumber in *.adoc files.
* Additional content updates in Server/Unix/p4/common/etc/cron.d/ReadMe.md.
* Bumped version numbers on scripts with Version= def'n.
* Generated HTML, PDF, and doc/gen files:
  - Most HTML and all PDF are generated using Makefiles that call an AsciiDoc utility.
  - HTML for Perl scripts is generated with pod2html.
  - doc/gen/*.man.txt files are generated with .../tools/gen_script_man_pages.sh.

#review-27712
#1 25923 C. Thomas Tyler Added script to request a checkpoint on the next journal rotation,
for use on replicas (e.g. replicas of edge servers).

To Do: Test needed, requires sophisticated topology to test.