PgBackRest Wrapper script move
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17
ReadMe.md
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17
ReadMe.md
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# PgBackRest backup wrapper
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Wrapper to call the full/differential backup on all stanzas
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> [!notice]
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> Currently all stanzas are hardoded, this should change
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## Options
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```txt
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-b (backuptype): full/diff
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-s (stanza): override stanza name, must be in list
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-l list available stanza
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-t test run
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```
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Either `-l` or `-b` option must be set
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159
bin/pgbackrest_backup.sh
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159
bin/pgbackrest_backup.sh
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#!/usr/bin/env bash
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# PgBackrest backup wrapper script
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## FUNCTIONS
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# METHOD: convert_time
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# PARAMS: timestamp in seconds or with milliseconds (nnnn.nnnn)
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# RETURN: formated string with human readable time (d/h/m/s)
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# CALL : var=$(convert_time $timestamp);
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# DESC : converts a timestamp or a timestamp with float milliseconds
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# to a human readable format
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# output is in days/hours/minutes/seconds
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function convert_time
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{
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timestamp=${1};
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# round to four digits for ms
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timestamp=$(printf "%1.4f" "$timestamp");
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# get the ms part and remove any leading 0
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ms=$(echo "${timestamp}" | cut -d "." -f 2 | sed -e 's/^0*//');
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timestamp=$(echo "${timestamp}" | cut -d "." -f 1);
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timegroups=(86400 3600 60 1); # day, hour, min, sec
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timenames=("d" "h" "m" "s"); # day, hour, min, sec
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output=( );
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time_string="";
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for timeslice in "${timegroups[@]}"; do
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# floor for the division, push to output
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output[${#output[*]}]=$(awk "BEGIN {printf \"%d\", ${timestamp}/${timeslice}}");
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timestamp=$(awk "BEGIN {printf \"%d\", ${timestamp}%${timeslice}}");
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done;
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for ((i=0; i<${#output[@]}; i++)); do
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if [ "${output[$i]}" -gt 0 ] || [ -n "$time_string" ]; then
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if [ -n "${time_string}" ]; then
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time_string=${time_string}" ";
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fi;
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time_string=${time_string}${output[$i]}${timenames[$i]};
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fi;
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done;
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if [ -n "${ms}" ] && [ "${ms}" != "nan" ] && [ "${ms}" -gt 0 ]; then
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time_string=${time_string}" ${ms}ms";
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fi;
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# just in case the time is 0
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if [ -z "${time_string}" ]; then
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time_string="0s";
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fi;
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echo -n "${time_string}";
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}
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## VARIABLES
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BACKUP_TYPE="";
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OVERRIDE_STANZA="";
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LIST_STANZA=0;
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TEST=0;
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sudo_user="pgbackrest";
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# testweb (replaces kome) (aws2/ohio)
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# zac fte (aws2/tokyo)
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# sushi database
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# udon core
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# mailing-service-a (aws2/oregon)
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# url-redirect-logging (aws9/tokyo)
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# mrktsec (aws3/tokyo)
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# instawin (aws8/tokyo)
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stanza_list="testwebegplusww zacfte sushidatabase udoncore mailingservicea urlredirectlogging mrktsec instawin";
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PRINTF_BLOCK="=== [%-8s: %19s] ==[%s]===============>\n";
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## OPT PARSEIN
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while getopts ":b:s:lt" opt; do
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case "${opt}" in
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b) # backuptype
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BACKUP_TYPE="${OPTARG}";
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;;
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s) # stanza
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OVERRIDE_STANZA="${OPTARG}";
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;;
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l) # list
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LIST_STANZA=1;
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;;
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t) # test
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TEST=1;
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;;
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:)
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echo "Option -$OPTARG requires an argument."
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;;
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\?)
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echo -e "\n Option does not exist: ${OPTARG}\n";
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echo "-b (backuptype): full/diff";
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echo "-s (stanza): override stanza name, must be in list"
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echo "-l list available stanza"
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echo "-t test run"
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exit 1;
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;;
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esac;
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done;
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## SCRIPT
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if [ $TEST -eq 1 ]; then
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echo "[..........] TEST RUN ONLY";
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fi;
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if [ $LIST_STANZA -eq 1 ]; then
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echo "+ Stanza List:";
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for stanza in ${stanza_list}; do
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echo "${stanza}";
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done;
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exit;
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fi;
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if [ -z "${BACKUP_TYPE}" ]; then
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echo "[!] Backup type must be set as -b full or -b diff";
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exit;
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fi;
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if [ "${BACKUP_TYPE}" != "full" ] && [ "${BACKUP_TYPE}" != "diff" ]; then
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echo "[!] Backup type can only be 'full' or 'diff'";
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exit;
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fi;
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echo "* PgBackrest Backup run type '${BACKUP_TYPE}' on $(date +'%F')";
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SET_OVERRIDE_STANZA=0;
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# if we have override single host
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if [ -n "${OVERRIDE_STANZA}" ]; then
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echo "+ Set override stanza too: ${OVERRIDE_STANZA}";
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for stanza in ${stanza_list}; do
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if [ "${stanza}" = "${OVERRIDE_STANZA}" ]; then
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stanza_list="${OVERRIDE_STANZA}";
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SET_OVERRIDE_STANZA=1;
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break;
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fi;
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done;
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if [ $SET_OVERRIDE_STANZA = 0 ]; then
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echo "[!!!] Failed to set override stanza: ${OVERRIDE_STANZA}";
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exit;
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fi;
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fi;
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# run backup
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for stanza in ${stanza_list}; do
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START=$(date +'%s');
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# shellcheck disable=SC2059
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printf "${PRINTF_BLOCK}" "START" "$(date +'%F %T')" "${stanza}";
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# --log-level-console=info
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if [ $TEST -eq 1 ]; then
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echo "sudo -u ${sudo_user} pgbackrest --type=${BACKUP_TYPE} --stanza=${stanza} backup;";
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else
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sudo -u ${sudo_user} pgbackrest --type="${BACKUP_TYPE}" --stanza="${stanza}" backup;
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fi;
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DURATION=$(( $(date +'%s')-START ));
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# shellcheck disable=SC2059
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printf "${PRINTF_BLOCK}" "END" "$(convert_time ${DURATION})" "${stanza}";
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done;
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echo "* PgBackrest Backup end";
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if [ $TEST -eq 1 ]; then
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echo "[..........] TEST RUN ONLY";
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fi;
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## __END__
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