34 lines
1.2 KiB
Bash
Executable File
34 lines
1.2 KiB
Bash
Executable File
#!/bin/sh
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set -eu
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if [ "$#" -ne 1 ]; then
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echo "Usage: $0 ABSOLUTE_BACKUP_DIRECTORY" >&2
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exit 2
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fi
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case "$1" in
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/*) ;;
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*) echo "Backup directory must be an absolute path" >&2; exit 2 ;;
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esac
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backup_root=${1%/}
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stamp=$(date -u +%Y%m%dT%H%M%SZ)
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target="$backup_root/$stamp"
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if [ -e "$target" ]; then
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echo "Backup target already exists: $target" >&2
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exit 1
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fi
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mkdir -p "$target"
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chmod 700 "$target"
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export BACKUP_DIRECTORY="$backup_root"
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env_file=${COMPOSE_ENV_FILE:-.env.production}
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compose="docker compose --env-file $env_file -f compose.production.yaml"
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$compose exec -T db sh -c 'pg_dump --format=custom --no-owner --no-acl -U "$POSTGRES_USER" -d "$POSTGRES_DB"' > "$target/postgres.dump"
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$compose run --rm --entrypoint /bin/sh storage-tool -c 'mc alias set local http://minio:9000 "$S3_ACCESS_KEY" "$S3_SECRET_KEY" >/dev/null && mc mb --ignore-existing "local/$S3_BUCKET" >/dev/null && mc mirror --overwrite "local/$S3_BUCKET" "/backup/'"$stamp"'/minio" && chmod -R a+rwX "/backup/'"$stamp"'/minio"'
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tar -czf "$target/minio.tar.gz" -C "$target" minio
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rm -rf "$target/minio"
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(cd "$target" && sha256sum postgres.dump minio.tar.gz > SHA256SUMS)
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chmod 600 "$target/postgres.dump" "$target/minio.tar.gz" "$target/SHA256SUMS"
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echo "Backup created: $target"
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