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annotate scripts/remote-backup.sh @ 287:4cc087cde1d0

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backup script additions and changes
author aldrich@nwoca.org
date Tue, 11 Dec 2018 16:17:25 +0000
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children d78b45c28205
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287
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1 #!/bin/bash
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2 # Executes a database backup for the specified 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.
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8 # The file will also be placed on the specified remote target
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9 # The format of the output is a compressed pg_dump (sql) format.
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10 # along with the top level contents of the project directory
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11 # Environment variables can be used for REMOTE_BACKUP_TARGET and REMOTE_USERNAME
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12 #
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13
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14
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15 container=${1?Must provide container name to backup}
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16 remoteTarget=${2:-$REMOTE_BACKUP_TARGET}
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17 userName=${3:-$REMOTE_USERNAME}
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18 projectDir=${4:-$PWD}
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19
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20
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21 cd $projectDir
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22
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23 source "${SSDT_SCRIPTS:-$(dirname "${BASH_SOURCE[0]}")}/.functions.sh"
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24
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25 set -o pipefail
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26 mkdir -p ./backup
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27
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28 project=$(composeGetProject)
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29
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30 echo "Project is $project"
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31 echo "Container is $container"
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32 echo "Remote target is $remoteTarget"
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33 echo "Username is $userName"
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34
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35 backupFile=./backup/${project}-${container}.$(date +%Y-%m-%d-%H-%M-%S).backup
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36 backupFile2=./backup/${project}-${container}.$(date +%Y-%m-%d-%H-%M-%S).directorycontents.tar.gz
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37
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38
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39 if [ "$project" == "" ]; then
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40 echo "no project available"
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41 exit 1
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42 fi
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43
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44 echo "starting backup of $container for $project"
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45 docker-compose exec -T $container sh -c "gosu postgres pg_dump -Cc --if-exists --dbname=$container ; (exit $?) " > ${backupFile}
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46
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47 if [[ $( grep --count "CREATE TABLE" ${backupFile} ) -lt 200 || $( grep --count "PostgreSQL database dump complete" ${backupFile} ) -eq 0 ]]; then
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48 echo "ERROR: backup verification FAILED"
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49 echo "ERROR: $(tail ${backupFile})"
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50 exit 1
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51 fi
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52
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53 gzip ${backupFile}
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54
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55 echo "completed backup of $container for $project to ${backupFile}"
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56
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57 #backup of all files in current directory
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58 tar -czf ${backupFile2} . --exclude=./backup
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59
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60 echo "completed backup of all files for $project to ${backupFile2}"
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61
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62
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63 #
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64 #
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65 scp ${backupFile}.gz ${backupFile2} $userName@$remoteTarget
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66
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67 echo " "
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68
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69 echo "completed sending ${backupFile}.gz and ${backupFile2} to ${remoteTarget} as user $userName"
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