69 lines
2.5 KiB
Bash
69 lines
2.5 KiB
Bash
#!/usr/bin/env bash
|
|
set -euo pipefail
|
|
IFS=$'\n\t'
|
|
# Inspiration of script from: https://borgbackup.readthedocs.io/en/stable/quickstart.html#automating-backups
|
|
|
|
logInfo() { printf '%(%Y-%m-%d %H:%m:%S)T [INFO]: %s\n' -1 "$*" >&2; }
|
|
|
|
configurationFileLocation=$1
|
|
|
|
workDirPath=/root/backup_work_dir
|
|
logInfo "Creating working directory at: $workDirPath..."
|
|
mkdir -p "$workDirPath"
|
|
|
|
cleanup() {
|
|
logInfo "Backup interrupted"
|
|
# rm -f "$workDirPath" # TODO: Enable
|
|
exit 2
|
|
}
|
|
trap 'cleanup' INT TERM
|
|
|
|
# region: ---------------------------------- DBBACKUPS ----------------------------------
|
|
createDatabaseBackup() {
|
|
host=$1
|
|
dbname=$2
|
|
username=$3
|
|
password=$4
|
|
targetFolderPath=$5
|
|
|
|
logInfo "Dumping database: $dbname to $targetFolderPath..."
|
|
|
|
# Getting the correct version tools installed on the host proofed to be a very frustrating experience.
|
|
# So instead we'll do the dumping on the container.
|
|
postgresContainerName='postgres-postgres-1'
|
|
containerDumpPath=/dump.sql
|
|
|
|
logInfo "Dumping database $dbname on container: $postgresContainerName..."
|
|
docker exec "$postgresContainerName" bash -c "(export PGPASSWORD='$password'; pg_dump $dbname \
|
|
--file $containerDumpPath \
|
|
--host $host \
|
|
--username $username)"
|
|
|
|
logInfo "Extracting the archive from the container..."
|
|
docker cp "$postgresContainerName:$containerDumpPath" "$targetFolderPath/$dbname.sql" 2>/dev/null
|
|
|
|
logInfo "Removing the file from the docker container..."
|
|
docker exec "$postgresContainerName" rm "$containerDumpPath"
|
|
}
|
|
|
|
createAllDatabaseBackups() {
|
|
nrOfConfigurations="$(yq '.database_backups | length' <"$configurationFileLocation")"
|
|
logInfo "Backing up from $nrOfConfigurations database configurations..."
|
|
|
|
postgresBackupDirectory="$workDirPath/postgres"
|
|
mkdir -p "$postgresBackupDirectory"
|
|
|
|
for ((i = 0 ; i < "$nrOfConfigurations" ; i++)); do
|
|
dbConfiguration="$(yq ".database_backups[$i]" <"$configurationFileLocation")"
|
|
host="$(echo "$dbConfiguration" | jq -r '.host')"
|
|
dbname="$(echo "$dbConfiguration" | jq -r '.dbname')"
|
|
username="$(echo "$dbConfiguration" | jq -r '.username')"
|
|
password="$(echo "$dbConfiguration" | jq -r '.password')"
|
|
targetFolderPath="$postgresBackupDirectory"
|
|
|
|
createDatabaseBackup "$host" "$dbname" "$username" "$password" "$targetFolderPath"
|
|
done
|
|
}
|
|
# endregion: ------------------------------- DBBACKUPS ----------------------------------
|
|
|
|
createAllDatabaseBackups
|