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https://github.com/gristlabs/grist-core.git
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4a9b6fea9d
* Shutdown Doc worker when it is not considered as available in Redis * Use isAffirmative for GRIST_MANAGED_WORKERS * Upgrade Sinon for the tests * Run Smoke test with pages in English * Add logic in /status endpoint
80 lines
2.8 KiB
TypeScript
80 lines
2.8 KiB
TypeScript
/**
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* Defines the IDocWorkerMap interface we need to assign a DocWorker to a doc, and to look it up.
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* TODO This is not yet implemented, there is only a hard-coded stub.
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*/
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import { IChecksumStore } from 'app/server/lib/IChecksumStore';
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import { IElectionStore } from 'app/server/lib/IElectionStore';
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import { IPermitStores } from 'app/server/lib/Permit';
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import { RedisClient } from 'redis';
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export interface DocWorkerInfo {
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id: string;
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// The public base URL for the docWorker, which tells the browser how to connect to it. E.g.
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// https://docworker-17.getgrist.com/ or http://localhost:8080/v/gtag/
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publicUrl: string;
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// The internal base URL for the docWorker.
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internalUrl: string;
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// If set, worker should accept work only for this named group.
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group?: string;
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}
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export interface DocStatus {
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// MD5 hash of the SQLite file for this document as stored on S3. We use MD5 because it is
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// automatically computed by S3 (except for multipart uploads). Null indicates a new file.
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docMD5: string|null;
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// DocWorker most recently, or currently, responsible for the file.
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docWorker: DocWorkerInfo;
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// Whether the file is currently open on this DocWorker.
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isActive: boolean;
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}
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/**
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* Assignment of documents to workers, and other storage related to distributed work.
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*/
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export interface IDocWorkerMap extends IPermitStores, IElectionStore, IChecksumStore {
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// Looks up which DocWorker is responsible for this docId.
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getDocWorker(docId: string): Promise<DocStatus|null>;
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// Assigns a DocWorker to this docId if one is not yet assigned.
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assignDocWorker(docId: string): Promise<DocStatus>;
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// Assigns a particular DocWorker to this docId if one is not yet assigned.
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getDocWorkerOrAssign(docId: string, workerId: string): Promise<DocStatus>;
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updateDocStatus(docId: string, checksum: string): Promise<void>;
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addWorker(info: DocWorkerInfo): Promise<void>;
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removeWorker(workerId: string): Promise<void>;
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// Set whether worker is accepting new assignments. This does not automatically
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// release existing assignments.
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setWorkerAvailability(workerId: string, available: boolean): Promise<void>;
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isWorkerRegistered(workerInfo: DocWorkerInfo): Promise<boolean>;
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// Releases doc from worker, freeing it to be assigned elsewhere.
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// Assignments should only be released for workers that are now unavailable.
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releaseAssignment(workerId: string, docId: string): Promise<void>;
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// Get all assignments for a worker. Should only be queried for a worker that
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// is currently unavailable.
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getAssignments(workerId: string): Promise<string[]>;
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getWorkerGroup(workerId: string): Promise<string|null>;
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getDocGroup(docId: string): Promise<string|null>;
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updateDocGroup(docId: string, docGroup: string): Promise<void>;
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removeDocGroup(docId: string): Promise<void>;
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getRedisClient(): RedisClient|null;
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}
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