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annotate scripts/backup-container.sh @ 604:f05817aee0f0
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| author | Marc Davis <marc.davis@mcoecn.org> |
|---|---|
| date | Tue, 17 Sep 2024 14:25:27 -0400 |
| parents | 2cb1093f9aef |
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| rev | line source |
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| 54 | 1 #!/bin/bash |
| 159 | 2 # Executes a database backup for the specifed database container. |
| 3 # The current directory is expected to contaion a project configured | |
| 4 # as with SSDT conventions for an application database. | |
| 5 # | |
| 6 # When successful, the output file will be in ./backup with the | |
| 7 # container name and timestamp in the file. The format of the output | |
| 8 # is a compressed pg_dump (sql) format. | |
| 9 # | |
| 10 container=${1?Must provide container name to backup} | |
| 11 | |
| 188 | 12 projectDir=${2:-$PWD} |
| 13 | |
| 14 cd $projectDir | |
| 15 | |
| 159 | 16 source "${SSDT_SCRIPTS:-$(dirname "${BASH_SOURCE[0]}")}/.functions.sh" |
| 17 | |
| 287 | 18 project=$(composeGetProject) |
| 19 | |
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20 #If the project is empty, we want to stop the process because this is being run from the wrong directory |
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21 |
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22 if [ "$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 |
| 159 | 27 set -o pipefail |
| 28 mkdir -p ./backup | |
| 314 | 29 ## |
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30 ##This one puts a space before the IRN |
| 314 | 31 IRN=$(docker-compose exec -T $container psql --username=postgres --dbname=$container -t -c 'select irn from organization') |
| 32 ##Trim function in postgres didn't work - so take out the extra space this way. | |
| 33 IRN=`echo $IRN | sed -e 's/^[[:space:]]*//'` | |
| 159 | 34 |
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35 ## if database is empty, it will put IRN 000000 |
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36 if [ "$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 |
| 314 | 41 backupFile=./backup/${IRN}${project}-${container}.$(date +%Y-%m-%d-%H-%M-%S).backup |
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42 |
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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" |
| 314 | 46 |
| 47 echo "backup file ${backupFile}" | |
| 274 | 48 echo "preparing to backup ${container} on current project at ${projectDir}:" |
| 49 echo " " | |
| 50 | |
| 159 | 51 |
| 52 | |
| 53 echo "starting backup of $container for $project" | |
| 188 | 54 docker-compose exec -T $container sh -c "gosu postgres pg_dump -Cc --if-exists --dbname=$container ; (exit $?) " > ${backupFile} |
| 159 | 55 |
| 56 if [[ $( grep --count "CREATE TABLE" ${backupFile} ) -lt 200 || $( grep --count "PostgreSQL database dump complete" ${backupFile} ) -eq 0 ]]; then | |
| 57 echo "ERROR: backup verification FAILED" | |
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58 echo "Error: empty database" |
| 267 | 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 |
| 159 | 62 fi |
| 63 | |
| 64 gzip ${backupFile} | |
| 65 | |
| 66 | |
| 67 echo "completed backup of $container for $project to ${backupFile}" | |
| 68 |