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feat(ql3): add postgres cancellation dispatch
This commit is contained in:
whyour
@@ -0,0 +1,452 @@
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import type { PostgresClient, PostgresPool } from '@qinglong/runtime-core';
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import {
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CancellationDispatchBindingConflictError,
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CancellationDispatchError,
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CancellationDispatchFenceRejectedError,
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CancellationDispatchRepositoryError,
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cancellationDispatchResultState,
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digestCancellationDispatchLeaseToken,
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normalizeCancellationDispatchRecord,
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normalizeCancellationDispatchRunId,
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normalizeClaimCancellationDispatchCommand,
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normalizeRecordCancellationDispatchResultCommand,
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type CancellationDispatchRecord,
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type CancellationDispatchRepository,
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type ClaimCancellationDispatchCommand,
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type ClaimCancellationDispatchResult,
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type RecordCancellationDispatchResult,
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type RecordCancellationDispatchResultCommand,
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} from '@qinglong/runtime-core/cancellation-dispatch';
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import type { RunEventRecord } from '@qinglong/runtime-core/run';
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type Row = Record<string, unknown>;
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const ACTIVE_RUN_STATUSES = new Set([
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'created',
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'queued',
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'dispatching',
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'running',
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'waiting_approval',
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'retry_wait',
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'lost',
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]);
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const ACTIVE_ATTEMPT_STATUSES = new Set(['claimed', 'starting', 'running']);
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const CONTROLLER_NOT_INVOKED_RESULTS = new Set([
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'controller_missing',
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'handle_missing',
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]);
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function text(row: Row, key: string): string {
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const value = row[key];
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if (typeof value !== 'string' || value.length < 1) {
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throw new TypeError(`PostgreSQL cancellation dispatch ${key} is invalid`);
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}
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return value;
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}
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function integer(row: Row, key: string): number {
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const raw = row[key];
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const value =
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typeof raw === 'string' && /^(0|[1-9]\d*)$/u.test(raw)
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? Number(raw)
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: raw;
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if (typeof value !== 'number' || !Number.isSafeInteger(value) || value < 0) {
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throw new TypeError(`PostgreSQL cancellation dispatch ${key} is invalid`);
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}
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return value;
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}
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function optionalText(row: Row, key: string): string | undefined {
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return row[key] === null || row[key] === undefined
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? undefined
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: text(row, key);
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}
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function optionalInteger(row: Row, key: string): number | undefined {
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return row[key] === null || row[key] === undefined
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? undefined
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: integer(row, key);
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}
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function dispatchFromRow(row: Row): Readonly<CancellationDispatchRecord> {
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const nextAttemptAtMs = optionalInteger(row, 'nextAttemptAtMs');
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const leaseOwner = optionalText(row, 'leaseOwner');
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const leaseTokenDigest = optionalText(row, 'leaseTokenDigest');
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const leaseExpiresAtMs = optionalInteger(row, 'leaseExpiresAtMs');
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const lastResult = optionalText(row, 'lastResult');
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const lastDispatchedAtMs = optionalInteger(row, 'lastDispatchedAtMs');
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return normalizeCancellationDispatchRecord({
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runId: text(row, 'runId'),
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attemptId: text(row, 'attemptId'),
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status: text(row, 'status') as CancellationDispatchRecord['status'],
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version: integer(row, 'version'),
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dispatchCount: integer(row, 'dispatchCount'),
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...(nextAttemptAtMs === undefined ? {} : { nextAttemptAtMs }),
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...(leaseOwner === undefined ? {} : { leaseOwner }),
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...(leaseTokenDigest === undefined ? {} : { leaseTokenDigest }),
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...(leaseExpiresAtMs === undefined ? {} : { leaseExpiresAtMs }),
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...(lastResult === undefined
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? {}
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: {
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lastResult:
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lastResult as NonNullable<CancellationDispatchRecord['lastResult']>,
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}),
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...(lastDispatchedAtMs === undefined ? {} : { lastDispatchedAtMs }),
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createdAtMs: integer(row, 'createdAtMs'),
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updatedAtMs: integer(row, 'updatedAtMs'),
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});
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}
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const DISPATCH_COLUMNS = `
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run_id AS "runId", attempt_id AS "attemptId", status,
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version, dispatch_count AS "dispatchCount",
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next_attempt_at_ms AS "nextAttemptAtMs", lease_owner AS "leaseOwner",
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lease_token_digest AS "leaseTokenDigest",
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lease_expires_at_ms AS "leaseExpiresAtMs", last_result AS "lastResult",
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last_dispatched_at_ms AS "lastDispatchedAtMs",
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created_at_ms AS "createdAtMs", updated_at_ms AS "updatedAtMs"
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`;
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async function begin(client: PostgresClient): Promise<void> {
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await client.query('BEGIN');
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await client.query(`SELECT set_config('statement_timeout', $1, true)`, [
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'5000ms',
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]);
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await client.query(`SELECT set_config('lock_timeout', $1, true)`, ['1000ms']);
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await client.query(
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`SELECT set_config('idle_in_transaction_session_timeout', $1, true)`,
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['10000ms'],
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);
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}
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async function databaseNow(client: PostgresClient): Promise<number> {
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const result = await client.query<Row>(`
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SELECT floor(extract(epoch FROM transaction_timestamp()) * 1000)::bigint
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AS "nowMs"
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`);
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if (result.rows.length !== 1) {
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throw new TypeError('PostgreSQL cancellation dispatch clock is invalid');
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}
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return integer(result.rows[0]!, 'nowMs');
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}
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async function rollback(client: PostgresClient): Promise<void> {
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try {
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await client.query('ROLLBACK');
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} catch {
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// Preserve the transaction failure.
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}
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}
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function repositoryFailure(error: unknown): never {
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if (error instanceof CancellationDispatchError) throw error;
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throw new CancellationDispatchRepositoryError(error);
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}
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export class PostgresCancellationDispatchRepository
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implements CancellationDispatchRepository
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{
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constructor(private readonly pool: PostgresPool) {
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if (!pool || typeof pool.connect !== 'function') {
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throw new TypeError('PostgreSQL cancellation dispatch pool is invalid');
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}
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}
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async findByRunId(
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runId: string,
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): Promise<Readonly<CancellationDispatchRecord> | null> {
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try {
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const normalizedRunId = normalizeCancellationDispatchRunId(runId);
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const result = await this.pool.query<Row>(
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`SELECT ${DISPATCH_COLUMNS}
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FROM "ql3"."run_cancellation_dispatches"
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WHERE run_id = $1`,
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[normalizedRunId],
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);
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if (result.rows.length === 0) return null;
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if (result.rows.length !== 1) {
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throw new TypeError('PostgreSQL cancellation dispatch is not unique');
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}
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return dispatchFromRow(result.rows[0]!);
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} catch (error) {
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return repositoryFailure(error);
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}
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}
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async claim(
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value: Readonly<ClaimCancellationDispatchCommand>,
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): Promise<ClaimCancellationDispatchResult> {
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const command = normalizeClaimCancellationDispatchCommand(value);
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return this.transaction(async (client) => {
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const nowMs = await databaseNow(client);
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const run = await client.query<Row>(
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`SELECT execution_owner AS "executionOwner", status,
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cancel_requested_at_ms AS "cancelRequestedAtMs"
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FROM "ql3"."runs" WHERE id = $1 FOR UPDATE`,
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[command.runId],
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);
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if (run.rows.length > 1) {
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throw new TypeError('PostgreSQL cancellation dispatch Run is invalid');
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}
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const attempt = await client.query<Row>(
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`SELECT run_id AS "runId", status
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FROM "ql3"."run_attempts" WHERE id = $1 FOR UPDATE`,
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[command.attemptId],
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);
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if (attempt.rows.length > 1) {
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throw new TypeError(
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'PostgreSQL cancellation dispatch Attempt is invalid',
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);
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}
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const runRow = run.rows[0];
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const attemptRow = attempt.rows[0];
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if (
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!runRow ||
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!attemptRow ||
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runRow.executionOwner !== 'runtime' ||
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!ACTIVE_RUN_STATUSES.has(runRow.status as string) ||
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optionalInteger(runRow, 'cancelRequestedAtMs') !==
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command.requestedAtMs ||
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attemptRow.runId !== command.runId ||
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!ACTIVE_ATTEMPT_STATUSES.has(attemptRow.status as string)
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) {
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return Object.freeze({ status: 'not_eligible' as const });
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}
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let dispatchResult = await client.query<Row>(
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`SELECT ${DISPATCH_COLUMNS}
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FROM "ql3"."run_cancellation_dispatches"
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WHERE run_id = $1 FOR UPDATE`,
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[command.runId],
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);
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if (dispatchResult.rows.length === 0) {
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dispatchResult = await client.query<Row>(
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`INSERT INTO "ql3"."run_cancellation_dispatches" (
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run_id, attempt_id, status, version, dispatch_count,
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next_attempt_at_ms, created_at_ms, updated_at_ms
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) VALUES ($1, $2, 'pending', 0, 0, $3, $4, $4)
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RETURNING ${DISPATCH_COLUMNS}`,
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[command.runId, command.attemptId, command.requestedAtMs, nowMs],
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);
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}
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if (dispatchResult.rows.length !== 1) {
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throw new TypeError('PostgreSQL cancellation dispatch is invalid');
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}
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const current = dispatchFromRow(dispatchResult.rows[0]!);
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if (current.attemptId !== command.attemptId) {
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throw new CancellationDispatchBindingConflictError(
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command.runId,
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command.attemptId,
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);
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}
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if (current.status === 'dispatched' || current.status === 'blocked') {
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return Object.freeze({ status: current.status, dispatch: current });
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}
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if (
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current.status === 'leased' &&
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current.leaseExpiresAtMs! > nowMs
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) {
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return Object.freeze({ status: 'leased' as const, dispatch: current });
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}
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if (
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current.status !== 'leased' &&
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current.nextAttemptAtMs! > nowMs
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) {
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return Object.freeze({ status: 'not_due' as const, dispatch: current });
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}
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if (
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current.version >= 2_147_483_647 ||
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current.dispatchCount >= 2_147_483_647
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) {
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throw new TypeError('PostgreSQL cancellation dispatch counter overflowed');
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}
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const leaseExpiresAtMs = nowMs + command.leaseDurationMs;
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if (!Number.isSafeInteger(leaseExpiresAtMs)) {
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throw new TypeError('PostgreSQL cancellation dispatch lease overflowed');
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}
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const leaseTokenDigest = digestCancellationDispatchLeaseToken(
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command.leaseToken,
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);
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const claimed = await client.query<Row>(
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`UPDATE "ql3"."run_cancellation_dispatches"
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SET status = 'leased', version = version + 1,
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dispatch_count = dispatch_count + 1,
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next_attempt_at_ms = NULL, lease_owner = $3,
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lease_token_digest = $4, lease_expires_at_ms = $5,
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updated_at_ms = $6
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WHERE run_id = $1 AND attempt_id = $2 AND version = $7
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RETURNING ${DISPATCH_COLUMNS}`,
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[
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command.runId,
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command.attemptId,
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command.owner,
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leaseTokenDigest,
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leaseExpiresAtMs,
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nowMs,
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current.version,
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],
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);
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if (claimed.rows.length !== 1) {
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throw new CancellationDispatchFenceRejectedError(command.runId);
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}
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return Object.freeze({
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status: 'claimed' as const,
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dispatch: dispatchFromRow(claimed.rows[0]!),
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leaseToken: command.leaseToken,
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});
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});
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}
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async recordResult(
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value: Readonly<RecordCancellationDispatchResultCommand>,
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): Promise<Readonly<RecordCancellationDispatchResult>> {
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const command = normalizeRecordCancellationDispatchResultCommand(value);
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return this.transaction(async (client) => {
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const atMs = await databaseNow(client);
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const run = await client.query<Row>(
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`SELECT version, event_sequence AS "eventSequence"
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FROM "ql3"."runs" WHERE id = $1 FOR UPDATE`,
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[command.runId],
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);
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if (run.rows.length !== 1) {
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throw new TypeError(
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'PostgreSQL cancellation dispatch Run disappeared',
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);
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}
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const dispatchResult = await client.query<Row>(
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`SELECT ${DISPATCH_COLUMNS}
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FROM "ql3"."run_cancellation_dispatches"
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WHERE run_id = $1 FOR UPDATE`,
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[command.runId],
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);
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if (dispatchResult.rows.length !== 1) {
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throw new CancellationDispatchFenceRejectedError(command.runId);
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}
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const current = dispatchFromRow(dispatchResult.rows[0]!);
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if (
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current.attemptId !== command.attemptId ||
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current.status !== 'leased' ||
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current.version !== command.expectedVersion ||
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current.leaseOwner !== command.owner ||
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current.leaseTokenDigest !==
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digestCancellationDispatchLeaseToken(command.leaseToken)
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) {
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throw new CancellationDispatchFenceRejectedError(command.runId);
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}
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const runVersion = integer(run.rows[0]!, 'version');
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const eventSequence = integer(run.rows[0]!, 'eventSequence');
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if (
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current.version >= 2_147_483_647 ||
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runVersion >= 2_147_483_647 ||
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eventSequence >= 2_147_483_647
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) {
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throw new TypeError('PostgreSQL cancellation dispatch counter overflowed');
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}
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const nextAttemptAtMs =
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command.retryDelayMs === undefined
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? undefined
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: atMs + command.retryDelayMs;
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if (
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nextAttemptAtMs !== undefined &&
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!Number.isSafeInteger(nextAttemptAtMs)
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) {
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throw new TypeError('PostgreSQL cancellation dispatch retry overflowed');
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}
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const state = cancellationDispatchResultState(command.result);
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const nextSequence = eventSequence + 1;
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const runUpdated = await client.query(
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`UPDATE "ql3"."runs"
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SET version = version + 1, event_sequence = $2
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WHERE id = $1 AND version = $3`,
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[command.runId, nextSequence, runVersion],
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);
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if (runUpdated.rowCount !== 1) {
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throw new CancellationDispatchFenceRejectedError(command.runId);
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}
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const dispatchUpdated = await client.query<Row>(
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`UPDATE "ql3"."run_cancellation_dispatches"
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SET status = $6, version = version + 1,
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next_attempt_at_ms = $7, lease_owner = NULL,
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lease_token_digest = NULL, lease_expires_at_ms = NULL,
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last_result = $8,
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last_dispatched_at_ms = CASE
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WHEN $9::boolean THEN last_dispatched_at_ms ELSE $10 END,
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updated_at_ms = $10
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WHERE run_id = $1 AND attempt_id = $2 AND status = 'leased'
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AND version = $3 AND lease_owner = $4
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AND lease_token_digest = $5
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RETURNING ${DISPATCH_COLUMNS}`,
|
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[
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command.runId,
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command.attemptId,
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command.expectedVersion,
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command.owner,
|
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current.leaseTokenDigest,
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state.status,
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nextAttemptAtMs ?? null,
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command.result,
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CONTROLLER_NOT_INVOKED_RESULTS.has(command.result),
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atMs,
|
||||
],
|
||||
);
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if (dispatchUpdated.rows.length !== 1) {
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throw new CancellationDispatchFenceRejectedError(command.runId);
|
||||
}
|
||||
const event: Readonly<RunEventRecord> = Object.freeze({
|
||||
id: command.eventId,
|
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runId: command.runId,
|
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sequence: nextSequence,
|
||||
type: state.eventType,
|
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dedupeKey: `cancel-dispatch:${command.attemptId}:${current.dispatchCount}`,
|
||||
actorType: 'worker',
|
||||
actorId: command.owner,
|
||||
attemptId: command.attemptId,
|
||||
payload: Object.freeze({
|
||||
attempt_id: command.attemptId,
|
||||
dispatch_count: current.dispatchCount,
|
||||
result: command.result,
|
||||
}),
|
||||
createdAtMs: atMs,
|
||||
});
|
||||
await client.query(
|
||||
`INSERT INTO "ql3"."run_events" (
|
||||
id, run_id, sequence, type, dedupe_key, actor_type, actor_id,
|
||||
attempt_id, step_run_id, payload, created_at_ms
|
||||
) VALUES ($1, $2, $3, $4, $5, 'worker', $6, $7, NULL, $8::jsonb, $9)`,
|
||||
[
|
||||
event.id,
|
||||
event.runId,
|
||||
event.sequence,
|
||||
event.type,
|
||||
event.dedupeKey,
|
||||
event.actorId,
|
||||
event.attemptId,
|
||||
JSON.stringify(event.payload),
|
||||
event.createdAtMs,
|
||||
],
|
||||
);
|
||||
return Object.freeze({
|
||||
dispatch: dispatchFromRow(dispatchUpdated.rows[0]!),
|
||||
event,
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
private async transaction<T>(
|
||||
operation: (client: PostgresClient) => Promise<T>,
|
||||
): Promise<T> {
|
||||
let client: PostgresClient | undefined;
|
||||
try {
|
||||
client = await this.pool.connect();
|
||||
await begin(client);
|
||||
const result = await operation(client);
|
||||
await client.query('COMMIT');
|
||||
return result;
|
||||
} catch (error) {
|
||||
if (client) await rollback(client);
|
||||
return repositoryFailure(error);
|
||||
} finally {
|
||||
client?.release();
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,99 @@
|
||||
import { CAPABILITIES_V64 } from '../../approved-action/pg-0065-approved-action-manual-recovery';
|
||||
import { definePostgresSqlMigration } from '../../migrations/sqlMigration';
|
||||
|
||||
export const POSTGRESQL_CANCELLATION_DISPATCH_TABLE =
|
||||
'run_cancellation_dispatches';
|
||||
|
||||
export const CAPABILITIES_V65 = CAPABILITIES_V64.replace(
|
||||
'"run_core":1,',
|
||||
'"run_cancellation_dispatch":1,"run_core":1,',
|
||||
);
|
||||
|
||||
export const pg0066CancellationDispatchMigration =
|
||||
definePostgresSqlMigration({
|
||||
id: 'pg-0066-cancellation-dispatch',
|
||||
statements: [
|
||||
`CREATE UNIQUE INDEX ql3_run_attempts_run_id_uidx ON "ql3"."run_attempts" (run_id, id)`,
|
||||
`
|
||||
CREATE TABLE "ql3"."${POSTGRESQL_CANCELLATION_DISPATCH_TABLE}" (
|
||||
run_id varchar(36) PRIMARY KEY,
|
||||
attempt_id varchar(36) NOT NULL,
|
||||
status varchar(32) NOT NULL,
|
||||
version integer NOT NULL,
|
||||
dispatch_count integer NOT NULL,
|
||||
next_attempt_at_ms bigint,
|
||||
lease_owner varchar(128),
|
||||
lease_token_digest char(64),
|
||||
lease_expires_at_ms bigint,
|
||||
last_result varchar(32),
|
||||
last_dispatched_at_ms bigint,
|
||||
created_at_ms bigint NOT NULL,
|
||||
updated_at_ms bigint NOT NULL,
|
||||
CONSTRAINT ql3_run_cancellation_dispatch_run_fk
|
||||
FOREIGN KEY (run_id) REFERENCES "ql3"."runs" (id)
|
||||
ON DELETE CASCADE ON UPDATE RESTRICT,
|
||||
CONSTRAINT ql3_run_cancellation_dispatch_attempt_fk
|
||||
FOREIGN KEY (run_id, attempt_id)
|
||||
REFERENCES "ql3"."run_attempts" (run_id, id)
|
||||
ON DELETE CASCADE ON UPDATE RESTRICT,
|
||||
CONSTRAINT ql3_run_cancellation_dispatch_status_check CHECK (
|
||||
status IN ('pending', 'leased', 'retry_wait', 'dispatched', 'blocked')
|
||||
),
|
||||
CONSTRAINT ql3_run_cancellation_dispatch_result_check CHECK (
|
||||
last_result IS NULL OR last_result IN (
|
||||
'termination_requested', 'already_exited', 'identity_mismatch',
|
||||
'pid_mismatch', 'unsupported', 'invalid', 'controller_missing',
|
||||
'handle_missing', 'dispatch_error'
|
||||
)
|
||||
),
|
||||
CONSTRAINT ql3_run_cancellation_dispatch_counter_check CHECK (
|
||||
version BETWEEN 0 AND 2147483647 AND
|
||||
dispatch_count BETWEEN 0 AND 2147483647 AND
|
||||
version >= dispatch_count AND
|
||||
((status = 'pending' AND version = 0 AND dispatch_count = 0) OR
|
||||
(status <> 'pending' AND dispatch_count >= 1))
|
||||
),
|
||||
CONSTRAINT ql3_run_cancellation_dispatch_time_check CHECK (
|
||||
(next_attempt_at_ms IS NULL OR next_attempt_at_ms >= 0) AND
|
||||
(lease_expires_at_ms IS NULL OR lease_expires_at_ms >= 0) AND
|
||||
(last_dispatched_at_ms IS NULL OR last_dispatched_at_ms >= 0) AND
|
||||
created_at_ms >= 0 AND updated_at_ms >= created_at_ms
|
||||
),
|
||||
CONSTRAINT ql3_run_cancellation_dispatch_lease_digest_check CHECK (
|
||||
lease_token_digest IS NULL OR lease_token_digest ~ '^[0-9a-f]{64}$'
|
||||
),
|
||||
CONSTRAINT ql3_run_cancellation_dispatch_shape_check CHECK (
|
||||
(status = 'leased' AND next_attempt_at_ms IS NULL AND
|
||||
lease_owner IS NOT NULL AND
|
||||
octet_length(lease_owner) BETWEEN 1 AND 128 AND
|
||||
lease_owner !~ '[[:cntrl:]]' AND
|
||||
lease_token_digest IS NOT NULL AND lease_expires_at_ms IS NOT NULL) OR
|
||||
(status IN ('pending', 'retry_wait') AND next_attempt_at_ms IS NOT NULL AND
|
||||
lease_owner IS NULL AND lease_token_digest IS NULL AND
|
||||
lease_expires_at_ms IS NULL) OR
|
||||
(status IN ('dispatched', 'blocked') AND next_attempt_at_ms IS NULL AND
|
||||
lease_owner IS NULL AND lease_token_digest IS NULL AND
|
||||
lease_expires_at_ms IS NULL AND last_result IS NOT NULL)
|
||||
),
|
||||
CONSTRAINT ql3_run_cancellation_dispatch_result_state_check CHECK (
|
||||
(status = 'pending' AND last_result IS NULL) OR
|
||||
(status IN ('leased', 'retry_wait') AND
|
||||
(last_result IS NULL OR last_result IN (
|
||||
'controller_missing', 'handle_missing', 'dispatch_error'
|
||||
))) OR
|
||||
(status = 'dispatched' AND last_result IN (
|
||||
'termination_requested', 'already_exited'
|
||||
)) OR
|
||||
(status = 'blocked' AND last_result IN (
|
||||
'identity_mismatch', 'pid_mismatch', 'unsupported', 'invalid'
|
||||
))
|
||||
)
|
||||
)
|
||||
`.trim(),
|
||||
`CREATE INDEX ql3_run_cancellation_dispatch_due_idx ON "ql3"."${POSTGRESQL_CANCELLATION_DISPATCH_TABLE}" (next_attempt_at_ms, run_id) WHERE status IN ('pending', 'retry_wait')`,
|
||||
`CREATE INDEX ql3_run_cancellation_dispatch_lease_expiry_idx ON "ql3"."${POSTGRESQL_CANCELLATION_DISPATCH_TABLE}" (lease_expires_at_ms, run_id) WHERE status = 'leased'`,
|
||||
`REVOKE ALL ON "ql3"."${POSTGRESQL_CANCELLATION_DISPATCH_TABLE}" FROM PUBLIC, ql3_runtime, ql3_admin, ql3_package_manager, ql3_package_executor, ql3_worker_ingress, ql3_worker_credential_manager, ql3_worker_credential_executor, ql3_automation_manager, ql3_approval_manager, ql3_run_manager`,
|
||||
`GRANT SELECT, INSERT, UPDATE ON "ql3"."${POSTGRESQL_CANCELLATION_DISPATCH_TABLE}" TO ql3_runtime`,
|
||||
`DO $ql3$ BEGIN UPDATE "ql3"."schema_capabilities" SET contract_version = 65, migration_id = 'pg-0066-cancellation-dispatch', capabilities = '${CAPABILITIES_V65}'::jsonb, updated_at_ms = floor(extract(epoch FROM transaction_timestamp()) * 1000)::bigint WHERE contract_name = 'control-core' AND contract_version = 64 AND migration_id = 'pg-0065-approved-action-manual-recovery' AND capabilities = '${CAPABILITIES_V64}'::jsonb; IF NOT FOUND THEN RAISE EXCEPTION 'control-core capability is not at version 64' USING ERRCODE = 'check_violation'; END IF; END $ql3$`,
|
||||
],
|
||||
});
|
||||
Reference in New Issue
Block a user