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annotate scripts/backup-container-docker.sh @ 510:7ffbb0f123e8

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author belknapSSDT <zach.belknap@mcoecn.org>
date Fri, 29 Sep 2023 12:59:44 -0400
parents 886a7dc796b8
children 8ddeb5a36678
rev   line source
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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 contain 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=${1?Must provide container name to backup}
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11 projectDir=${2:-$PWD}
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12
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13 cd $projectDir
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14
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15 source "${SSDT_SCRIPTS:-$(dirname "${BASH_SOURCE[0]}")}/.functions.sh"
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16
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17 set -o pipefail
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18 mkdir -p ./backup
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19
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20 if [[ "$container" = "invdb" && -f ".env/ssdt-inventory-shared.properties" ]]; then
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21 function prop {
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22 grep "${1}" .env/ssdt-inventory-shared.properties|cut -d'=' -f2
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23 }
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24 entityId=$(prop 'entityId' | tr -d '"')
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25 containerName="$entityId-inventory-db"
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26 IRN=$(docker exec $containerName psql --username=postgres --dbname=$container -t -c 'select districtirn from inventoryconfiguration')
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27 ## if database is empty, it will put IRN 000000
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28 if [ "$IRN" == "" ]; then
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29 echo "no IRN set,using 000000"
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30 IRN=000000
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31 fi
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32 ##Take out the extra space from IRN returned from db.
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33 IRN=`echo $IRN | sed -e 's/^[[:space:]]*//'`
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34 backupFile=./backup/${IRN}${entityId}-inventory-db.$(date +%Y-%m-%d-%H-%M-%S).backup
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35 echo "entityId is $entityId"
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36 echo "container name is $containerName"
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37 fi
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38
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39 if [[ "$container" = "workflowsdb" && -f ".env/ssdt-workflows-shared.properties" ]]; then
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40 function prop {
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41 grep "${1}" .env/ssdt-workflows-shared.properties|cut -d'=' -f2
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42 }
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43 entityId=$(prop 'entityId' | tr -d '"')
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44 containerName="$entityId-workflows-db"
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45 backupFile=./backup/${entityId}-workflows-db.$(date +%Y-%m-%d-%H-%M-%S).backup
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46 echo "entityId is $entityId"
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47 echo "container name is $containerName"
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48 fi
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49
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50 if [ ! -z "$containerName" ]; then
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51 echo "Container is $container"
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52 if [ "$container" = "invdb" ]; then
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53 echo "IRN is $IRN"
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54 fi
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55 echo "backup file ${backupFile}"
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56 echo "preparing to backup ${container} on current project at ${projectDir}:"
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57 echo " "
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58
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59 echo "starting backup of $container"
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60 docker exec -t $containerName sh -c "gosu postgres pg_dump -Cc --if-exists --dbname=$container ; (exit $?) " > ${backupFile}
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61 #if [[ $( grep --count "CREATE TABLE" ${backupFile} ) -lt 200 || $( grep --count "PostgreSQL database dump complete" ${backupFile} ) -eq 0 ]]; then
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62 # echo "ERROR: backup verification FAILED"
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63 # echo "Error: empty database"
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64 # echo "ERROR: $(tail ${backupFile})"
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65 # We want the process to continue even if the db is blank
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66 # exit 1
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67 #fi
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69 gzip ${backupFile}
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71 echo "completed backup of $container to ${backupFile}.gz"
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72 fi