@clickup/pg-microsharding/dist/actions/actionCopy.js

Microshards support for PostgreSQL

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.actionCopy = actionCopy;
const path_1 = require("path");
const compact_1 = __importDefault(require("lodash/compact"));
const move_1 = require("../api/move");
const cli_1 = require("../cli");
const chooseDsns_1 = require("../internal/chooseDsns");
const logging_1 = require("../internal/logging");
const names_1 = require("../internal/names");
const normalizeDsns_1 = require("../internal/normalizeDsns");
const runInTmux_1 = require("../internal/runInTmux");
/**
 * Copies a PG from one database to another with no downtime.
 */
async function actionCopy(args) {
    var _a;
    await (0, runInTmux_1.tryReattachToTmuxSession)();
    const dsns = await (0, normalizeDsns_1.normalizeDsns)(args["dsns"]);
    let schema;
    if (args["schema"]) {
        schema = args["schema"];
    }
    else {
        throw "Please provide --schema, a schema name to copy";
    }
    const [fromDsns, fromWarnings] = (0, chooseDsns_1.chooseDsns)({
        patterns: (0, compact_1.default)([args["from"]]),
        existingDsns: dsns,
        requireMatch: false,
    });
    if (fromDsns.length === 0) {
        throw "Please provide --from, source DB DSN, as postgresql://user:pass@host/db?options, or a DSN prefix";
    }
    const [toDsns, toWarnings] = (0, chooseDsns_1.chooseDsns)({
        patterns: (0, compact_1.default)([args["to"]]),
        existingDsns: dsns,
        requireMatch: false,
    });
    if (toDsns.length === 0) {
        throw "Please provide --to, destination DB DSN, as postgresql://user:pass@host/db?options, or a DSN prefix";
    }
    const maxReplicationLagSec = Number((_a = args["max-replication-lag-sec"]) !== null && _a !== void 0 ? _a : "") || undefined;
    const wait = args["wait"];
    if ((0, runInTmux_1.isInTmuxSession)()) {
        const unpipe = logging_1.stdlog.pipeToNewLogFile(`copy-${schema}`);
        try {
            (0, logging_1.log)("$ " +
                [(0, path_1.basename)(process.argv[1]), ...process.argv.slice(2)]
                    .map(cli_1.shellQuote)
                    .join(" "));
            for (const warning of [...fromWarnings, ...toWarnings]) {
                (0, logging_1.print)(warning);
            }
            await (0, move_1.move)({
                schema,
                fromDsn: fromDsns[0],
                toDsn: toDsns[0],
                commitAction: null,
                maxReplicationLagSec,
                wait,
            });
        }
        finally {
            await unpipe();
        }
    }
    else {
        await (0, runInTmux_1.runInTmux)([
            [
                {
                    key: schema.toString(),
                    title: `schema ${schema} | ${(0, names_1.dsnFromToShort)(fromDsns[0], toDsns[0])}`,
                    command: process.argv,
                },
            ],
        ]);
    }
    return true;
}
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