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refactor(sql): some changes to help with sql connection on random disconnect

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This commit is contained in:
cowchmonkey@gmail.com
2025-12-02 15:21:34 -06:00
parent 712a6eebdf
commit 320dd47aea
2 changed files with 174 additions and 153 deletions
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27
app/src/pkg/prodSql/prodQuery.ts
View File

@@ -1,6 +1,12 @@
import { returnFunc } from "../utils/return.js";
import { connected, pool } from "./prodSqlConnect.js";
import { validateEnv } from "../utils/envValidator.js";
import { returnFunc } from "../utils/return.js";
import {
closePool,
connected,
pool,
reconnecting,
reconnectToSql,
} from "./prodSqlConnect.js";
const env = validateEnv(process.env);
/**
@@ -12,6 +18,19 @@ const env = validateEnv(process.env);
*/
export async function prodQuery(queryToRun: string, name: string) {
if (!connected) {
reconnectToSql();
if (reconnecting) {
return returnFunc({
success: false,
module: "prodSql",
subModule: "query",
level: "error",
message: `The sql ${env.PROD_PLANT_TOKEN} is trying to reconnect already`,
notify: false,
data: [],
});
} else {
return returnFunc({
success: false,
module: "prodSql",
@@ -22,6 +41,8 @@ export async function prodQuery(queryToRun: string, name: string) {
data: [],
});
}
}
const query = queryToRun.replaceAll("test1", env.PROD_PLANT_TOKEN);
try {
const result = await pool.request().query(query);
@@ -33,6 +54,7 @@ export async function prodQuery(queryToRun: string, name: string) {
} catch (error: any) {
console.log(error);
if (error.code === "ETIMEOUT") {
closePool();
return returnFunc({
success: false,
module: "prodSql",
@@ -45,6 +67,7 @@ export async function prodQuery(queryToRun: string, name: string) {
}
if (error.code === "EREQUEST") {
closePool();
return returnFunc({
success: false,
module: "prodSql",

40
app/src/pkg/prodSql/prodSqlConnect.ts
View File

@@ -1,15 +1,15 @@
import sql from "mssql";
import { checkHostnamePort } from "../utils/checkHostNamePort.js";
import { sqlConfig } from "./prodSqlConfig.js";
import { createLogger } from "../logger/logger.js";
import { returnFunc } from "../utils/return.js";
import { checkHostnamePort } from "../utils/checkHostNamePort.js";
import { validateEnv } from "../utils/envValidator.js";
import { returnFunc } from "../utils/return.js";
import { sqlConfig } from "./prodSqlConfig.js";
const env = validateEnv(process.env);
export let pool: any;
export let connected: boolean = false;
let reconnecting = false;
export let reconnecting = false;
export const initializeProdPool = async () => {
const log = createLogger({ module: "prodSql" });
@@ -41,21 +41,19 @@ export const initializeProdPool = async () => {
pool = await sql.connect(sqlConfig);
log.info(
`Connected to ${sqlConfig?.server}, using DB: ${sqlConfig?.database}`
`Connected to ${sqlConfig?.server}, using DB: ${sqlConfig?.database}`,
);
connected = true;
} catch (error) {
log.fatal(
`${JSON.stringify(
error
)}, "There was an error connecting to the pool."`
`${JSON.stringify(error)}, "There was an error connecting to the pool."`,
);
reconnectToSql();
// throw new Error("There was an error closing the sql connection");
}
};
const reconnectToSql = async () => {
export const reconnectToSql = async () => {
const log = createLogger({ module: "prodSql" });
if (reconnecting) return;
reconnecting = true;
@@ -67,9 +65,7 @@ const reconnectToSql = async () => {
while (!connected && attempts < maxAttempts) {
attempts++;
log.info(
`Reconnect attempt ${attempts}/${maxAttempts} in ${
delay / 1000
}s...`
`Reconnect attempt ${attempts}/${maxAttempts} in ${delay / 1000}s...`,
);
await new Promise((res) => setTimeout(res, delay));
@@ -85,15 +81,15 @@ const reconnectToSql = async () => {
pool = sql.connect(sqlConfig);
log.info(
`Connected to ${sqlConfig?.server}, and looking at ${sqlConfig?.database}`
`Connected to ${sqlConfig?.server}, and looking at ${sqlConfig?.database}`,
);
reconnecting = false;
connected = true;
} catch (error) {
log.fatal(
`${JSON.stringify(
error
)}, "There was an error connecting to the pool."`
error,
)}, "There was an error connecting to the pool."`,
);
delay = Math.min(delay * 2, 30000); // exponential backoff up to 30s
// throw new Error("There was an error closing the sql connection");
@@ -103,10 +99,10 @@ const reconnectToSql = async () => {
if (!connected) {
log.fatal(
{ notify: true },
"Max reconnect attempts reached on the prodSql server. Stopping retries."
"Max reconnect attempts reached on the prodSql server. Stopping retries.",
);
reconnecting = false;
// optional: exit process or alert someone here
// exit process or alert someone here
// process.exit(1);
}
};
@@ -126,11 +122,13 @@ export const closePool = async () => {
message: "The sql server connection has been closed",
};
} catch (error) {
log.fatal(
{ notify: true },
connected = false;
log.info(
//{ notify: true },
{ error: error },
`${JSON.stringify(
error
)}, "There was an error closing the sql connection"`
error,
)}, "There was an error closing the sql connection"`,
);
}
};