mirror of
https://github.com/roles-ansible/role-postgresql-backup.git
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55 lines
1 KiB
Bash
55 lines
1 KiB
Bash
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#!/usr/bin/env bash
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# this file is managed by ansible!
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set -o pipefail
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BACKUP_DIR_BASE="{{ postgresql_backup.backup_dir | default( '/var/backup/postgresql/' ) }}"
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DATE_FORMAT="{{ postgresql_backup.date_format | default( '%Y-%m-%d_%H-%M' ) }}"
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PG_HOSTNAME
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PG_USERNAME
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PG_PORT
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PG_DATABASE
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create_backup_dir() {
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local backup_dir="${BACKUP_DIR_BASE%/}/$(date "+$DATE_FORMAT")"
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mkdir -p "$backup_dir"
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echo "$backup_dir"
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}
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backup_databases() {
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local filename="${PG_DATABASE}.psql"
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if (umask 077 && pg_dump -F c -h "$PG_HOSTNAME" -U "$PG_USERNAME" -p "$PG_PORT" "$PG_DATABASE" -f "${filename}.in_progress"); then
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mv "${filename}.in_progress" "$filename"
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else
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return 1
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fi;
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done <<< "$databases"
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return 0
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}
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main() {
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backup_dir="$(create_backup_dir)"
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echo "Created backup directory \"${backup_dir}\"."
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pushd . >/dev/null
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cd "$backup_dir"
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echo "Starting databases backup."
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if backup_databases; then
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echo "Databases backup is done."
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else
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echo "Databases backup failed. Exiting."
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exit 1;
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fi;
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popd >/dev/null
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}
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main
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