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Merge pull request #113 from datacoves/DCV-1654-switch-dbt-osmosis-to…
…-dbt-core-interface Dcv 1654 switch dbt osmosis to dbt core interface
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,148 @@ | ||
| import AbortController from "node-abort-controller"; | ||
| import fetch, { Response } from "node-fetch"; | ||
| import { AbortSignal } from "node-fetch/externals"; | ||
|
|
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| import Configuration from "./configuration"; | ||
| import Utilities from "./utilities"; | ||
|
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| export interface DbtInterfaceRunResult { | ||
| column_names: string[], | ||
| rows: any[][], | ||
| raw_sql: string, | ||
| compiled_sql: string, | ||
| } | ||
|
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| export interface DbtInterfaceCompileResult { | ||
| result: string; | ||
| } | ||
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| export interface DbtInterfaceResetResult { | ||
| result: string; | ||
| } | ||
|
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| export enum DbtInterfaceFullReparse { | ||
| True = "true", | ||
| False = "false" | ||
| } | ||
|
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| export enum DbtInterfaceErrorCode { | ||
| FailedToReachServer = -1, | ||
| CompileSqlFailure = 1, | ||
| ExecuteSqlFailure = 2, | ||
| ProjectParseFailure = 3, | ||
| } | ||
|
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| export interface DbtInterfaceErrorContainer { | ||
| error: { | ||
| code: DbtInterfaceErrorCode, | ||
| message: string, | ||
| data: { [index: string]: (string | number); }, | ||
| }; | ||
| } | ||
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| export class DbtInterface { | ||
| private sql: string | undefined; | ||
| private sql_path: string | undefined; | ||
| private extra_config_path: string; | ||
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| constructor(sql: string | undefined, sql_path: string | undefined, extra_config_path: string) { | ||
| this.sql = sql; | ||
| this.sql_path = sql_path; | ||
| this.extra_config_path = extra_config_path; | ||
| } | ||
|
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| public getLintURL(): string { | ||
| let url = `http://${Configuration.dbtInterfaceHost()}:${Configuration.dbtInterfacePort()}/lint?sql_path=${this.sql_path}`; | ||
| if (this.sql !== undefined) { | ||
| url = `http://${Configuration.dbtInterfaceHost()}:${Configuration.dbtInterfacePort()}/lint?`; | ||
| } | ||
|
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| if (this.extra_config_path) { | ||
| url += `&extra_config_path=${this.extra_config_path}`; | ||
| } | ||
|
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| return url; | ||
| } | ||
|
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| public async healthCheck(): Promise<any> { | ||
| const abortController = new AbortController(); | ||
| const timeoutHandler = setTimeout(() => { | ||
| abortController.abort(); | ||
| }, 1000); | ||
| try { | ||
| const response = await fetch( | ||
| `http://${Configuration.dbtInterfaceHost()}:${Configuration.dbtInterfacePort()}/health`, | ||
| { | ||
| method: "GET", | ||
| signal: abortController.signal as AbortSignal | ||
| }, | ||
| ); | ||
| if (response.status === 200) { | ||
| return true; | ||
| } else { | ||
| return false; | ||
| } | ||
| } catch (e) { | ||
| return false; | ||
| } finally { | ||
| clearTimeout(timeoutHandler); | ||
| } | ||
| } | ||
|
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||
| public async lint<T>(timeout = 25000) { | ||
| const failedToReachServerError: DbtInterfaceErrorContainer = { | ||
| error: { | ||
| code: DbtInterfaceErrorCode.FailedToReachServer, | ||
| message: "Query failed to reach dbt sync server.", | ||
| data: { | ||
| "error": `Is the server listening on the http://${Configuration.dbtInterfaceHost()}:${Configuration.dbtInterfacePort()} address?`, | ||
| }, | ||
| }, | ||
| }; | ||
|
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| const projectNotRegisteredError: DbtInterfaceErrorContainer = { | ||
| error: { | ||
| code: DbtInterfaceErrorCode.FailedToReachServer, | ||
| message: "dbt project not registered", | ||
| data: { | ||
| "error": "", | ||
| }, | ||
| }, | ||
| }; | ||
|
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| if (!await this.healthCheck()) { | ||
| Utilities.appendHyphenatedLine(); | ||
| Utilities.outputChannel.appendLine("Unhealthy dbt project:"); | ||
| Utilities.appendHyphenatedLine(); | ||
| return projectNotRegisteredError; | ||
| } | ||
|
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| const abortController = new AbortController(); | ||
| const timeoutHandler = setTimeout(() => { | ||
| abortController.abort(); | ||
| }, timeout); | ||
| let response: Response; | ||
|
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||
| try { | ||
| response = await fetch( | ||
| encodeURI(this.getLintURL()), | ||
| { | ||
| method: "POST", | ||
| signal: abortController.signal as AbortSignal, | ||
| body: this.sql, | ||
| }, | ||
| ); | ||
| } catch (error) { | ||
| Utilities.appendHyphenatedLine(); | ||
| Utilities.outputChannel.appendLine("Raw dbt-omsosis /lint error response:"); | ||
| Utilities.appendHyphenatedLine(); | ||
| Utilities.outputChannel.appendLine(error as string); | ||
| Utilities.appendHyphenatedLine(); | ||
|
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| clearTimeout(timeoutHandler); | ||
| return failedToReachServerError; | ||
| } | ||
| clearTimeout(timeoutHandler); | ||
| return await response.json() as T; | ||
| } | ||
| } |
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