Fixing issue with Redis disconnection - this should correctly reconnect the service when Redis service becomes available again.
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6909cbed29
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@ -47,7 +47,7 @@ export function createQueue<T>(
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cleanupInterval = timers.set(cleanup, CLEANUP_PERIOD_MS)
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cleanupInterval = timers.set(cleanup, CLEANUP_PERIOD_MS)
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// fire off an initial cleanup
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// fire off an initial cleanup
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cleanup().catch(err => {
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cleanup().catch(err => {
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console.error(`Unable to cleanup automation queue initially - ${err}`)
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console.error(`Unable to cleanup ${jobQueue} initially - ${err}`)
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})
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})
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}
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}
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return queue
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return queue
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@ -18,6 +18,7 @@ import {
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SelectableDatabase,
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SelectableDatabase,
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getRedisConnectionDetails,
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getRedisConnectionDetails,
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} from "./utils"
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} from "./utils"
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import { logAlert } from "../logging"
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import * as timers from "../timers"
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import * as timers from "../timers"
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const RETRY_PERIOD_MS = 2000
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const RETRY_PERIOD_MS = 2000
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@ -39,21 +40,16 @@ function pickClient(selectDb: number): any {
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return CLIENTS[selectDb]
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return CLIENTS[selectDb]
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}
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}
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function connectionError(
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function connectionError(timeout: NodeJS.Timeout, err: Error | string) {
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selectDb: number,
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timeout: NodeJS.Timeout,
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err: Error | string
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) {
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// manually shut down, ignore errors
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// manually shut down, ignore errors
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if (CLOSED) {
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if (CLOSED) {
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return
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return
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}
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}
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pickClient(selectDb).disconnect()
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CLOSED = true
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CLOSED = true
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// always clear this on error
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// always clear this on error
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clearTimeout(timeout)
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clearTimeout(timeout)
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CONNECTED = false
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CONNECTED = false
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console.error("Redis connection failed - " + err)
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logAlert("Redis connection failed", err)
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setTimeout(() => {
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setTimeout(() => {
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init()
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init()
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}, RETRY_PERIOD_MS)
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}, RETRY_PERIOD_MS)
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@ -79,11 +75,7 @@ function init(selectDb = DEFAULT_SELECT_DB) {
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// start the timer - only allowed 5 seconds to connect
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// start the timer - only allowed 5 seconds to connect
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timeout = setTimeout(() => {
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timeout = setTimeout(() => {
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if (!CONNECTED) {
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if (!CONNECTED) {
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connectionError(
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connectionError(timeout, "Did not successfully connect in timeout")
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selectDb,
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timeout,
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"Did not successfully connect in timeout"
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)
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}
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}
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}, STARTUP_TIMEOUT_MS)
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}, STARTUP_TIMEOUT_MS)
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@ -106,12 +98,13 @@ function init(selectDb = DEFAULT_SELECT_DB) {
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// allow the process to exit
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// allow the process to exit
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return
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return
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}
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}
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connectionError(selectDb, timeout, err)
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connectionError(timeout, err)
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})
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})
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client.on("error", (err: Error) => {
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client.on("error", (err: Error) => {
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connectionError(selectDb, timeout, err)
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connectionError(timeout, err)
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})
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})
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client.on("connect", () => {
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client.on("connect", () => {
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console.log(`Connected to Redis DB: ${selectDb}`)
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clearTimeout(timeout)
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clearTimeout(timeout)
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CONNECTED = true
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CONNECTED = true
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})
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})
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