annotate scripts/backup-container.sh @ 382:40d6b1c6920d release/v2.12.0

flow: Created branch 'release/v2.12.0'.
author Marc Davis <davis@ssdt-ohio.org>
date Tue, 14 Sep 2021 09:42:26 -0400
parents 2cb1093f9aef
children
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1 #!/bin/bash
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2 # Executes a database backup for the specifed database container.
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3 # The current directory is expected to contaion a project configured
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4 # as with SSDT conventions for an application database.
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5 #
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6 # When successful, the output file will be in ./backup with the
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7 # container name and timestamp in the file. The format of the output
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8 # is a compressed pg_dump (sql) format.
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9 #
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10 container=${1?Must provide container name to backup}
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11
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12 projectDir=${2:-$PWD}
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14 cd $projectDir
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15
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16 source "${SSDT_SCRIPTS:-$(dirname "${BASH_SOURCE[0]}")}/.functions.sh"
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18 project=$(composeGetProject)
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20 #If the project is empty, we want to stop the process because this is being run from the wrong directory
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22 if [ "$project" == "" ]; then
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23 echo "no project available"
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24 exit 1
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25 fi
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26
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27 set -o pipefail
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28 mkdir -p ./backup
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29 ##
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30 ##This one puts a space before the IRN
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31 IRN=$(docker-compose exec -T $container psql --username=postgres --dbname=$container -t -c 'select irn from organization')
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32 ##Trim function in postgres didn't work - so take out the extra space this way.
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33 IRN=`echo $IRN | sed -e 's/^[[:space:]]*//'`
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35 ## if database is empty, it will put IRN 000000
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36 if [ "$IRN" == "" ]; then
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37 echo "no IRN set,using 000000"
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38 IRN=000000
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39 fi
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40
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41 backupFile=./backup/${IRN}${project}-${container}.$(date +%Y-%m-%d-%H-%M-%S).backup
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43 echo "Project is $project"
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44 echo "Container is $container"
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45 echo "IRN is $IRN"
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47 echo "backup file ${backupFile}"
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48 echo "preparing to backup ${container} on current project at ${projectDir}:"
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49 echo " "
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53 echo "starting backup of $container for $project"
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54 docker-compose exec -T $container sh -c "gosu postgres pg_dump -Cc --if-exists --dbname=$container ; (exit $?) " > ${backupFile}
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56 if [[ $( grep --count "CREATE TABLE" ${backupFile} ) -lt 200 || $( grep --count "PostgreSQL database dump complete" ${backupFile} ) -eq 0 ]]; then
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57 echo "ERROR: backup verification FAILED"
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58 echo "Error: empty database"
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59 echo "ERROR: $(tail ${backupFile})"
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60 # We want the process to continue even if the db is blank
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61 # exit 1
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62 fi
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64 gzip ${backupFile}
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67 echo "completed backup of $container for $project to ${backupFile}"
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68