Merge pull request #5801 from Budibase/fix/cls-hooked-memory-leak
Fix CLS hooked memory leak
This commit is contained in:
Michael Drury
GitHub
commit
a1d6228216
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@ -13,7 +13,7 @@
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"@techpass/passport-openidconnect": "^0.3.0",
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"aws-sdk": "^2.901.0",
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"bcryptjs": "^2.4.3",
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"cls-hooked": "^4.2.2",
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"emitter-listener": "^1.1.2",
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"ioredis": "^4.27.1",
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"jsonwebtoken": "^8.5.1",
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"koa-passport": "^4.1.4",
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@ -0,0 +1,650 @@
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const util = require("util")
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const assert = require("assert")
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const wrapEmitter = require("emitter-listener")
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const async_hooks = require("async_hooks")
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const CONTEXTS_SYMBOL = "cls@contexts"
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const ERROR_SYMBOL = "error@context"
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const DEBUG_CLS_HOOKED = process.env.DEBUG_CLS_HOOKED
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let currentUid = -1
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module.exports = {
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getNamespace: getNamespace,
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createNamespace: createNamespace,
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destroyNamespace: destroyNamespace,
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reset: reset,
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ERROR_SYMBOL: ERROR_SYMBOL,
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}
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function Namespace(name) {
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this.name = name
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// changed in 2.7: no default context
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this.active = null
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this._set = []
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this.id = null
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this._contexts = new Map()
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this._indent = 0
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this._hook = null
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}
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Namespace.prototype.set = function set(key, value) {
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if (!this.active) {
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throw new Error(
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"No context available. ns.run() or ns.bind() must be called first."
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)
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}
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this.active[key] = value
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if (DEBUG_CLS_HOOKED) {
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const indentStr = " ".repeat(this._indent < 0 ? 0 : this._indent)
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debug2(
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indentStr +
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"CONTEXT-SET KEY:" +
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key +
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"=" +
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value +
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" in ns:" +
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this.name +
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" currentUid:" +
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currentUid +
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" active:" +
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util.inspect(this.active, { showHidden: true, depth: 2, colors: true })
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)
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}
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return value
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}
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Namespace.prototype.get = function get(key) {
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if (!this.active) {
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if (DEBUG_CLS_HOOKED) {
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const asyncHooksCurrentId = async_hooks.currentId()
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const triggerId = async_hooks.triggerAsyncId()
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const indentStr = " ".repeat(this._indent < 0 ? 0 : this._indent)
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debug2(
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`${indentStr}CONTEXT-GETTING KEY NO ACTIVE NS: (${this.name}) ${key}=undefined currentUid:${currentUid} asyncHooksCurrentId:${asyncHooksCurrentId} triggerId:${triggerId} len:${this._set.length}`
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)
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}
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return undefined
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}
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if (DEBUG_CLS_HOOKED) {
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const asyncHooksCurrentId = async_hooks.executionAsyncId()
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const triggerId = async_hooks.triggerAsyncId()
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const indentStr = " ".repeat(this._indent < 0 ? 0 : this._indent)
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debug2(
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indentStr +
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"CONTEXT-GETTING KEY:" +
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key +
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"=" +
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this.active[key] +
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" (" +
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this.name +
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") currentUid:" +
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currentUid +
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" active:" +
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util.inspect(this.active, { showHidden: true, depth: 2, colors: true })
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)
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debug2(
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`${indentStr}CONTEXT-GETTING KEY: (${this.name}) ${key}=${
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this.active[key]
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} currentUid:${currentUid} asyncHooksCurrentId:${asyncHooksCurrentId} triggerId:${triggerId} len:${
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this._set.length
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} active:${util.inspect(this.active)}`
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)
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}
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return this.active[key]
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}
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Namespace.prototype.createContext = function createContext() {
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// Prototype inherit existing context if created a new child context within existing context.
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let context = Object.create(this.active ? this.active : Object.prototype)
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context._ns_name = this.name
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context.id = currentUid
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if (DEBUG_CLS_HOOKED) {
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const asyncHooksCurrentId = async_hooks.executionAsyncId()
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const triggerId = async_hooks.triggerAsyncId()
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const indentStr = " ".repeat(this._indent < 0 ? 0 : this._indent)
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debug2(
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`${indentStr}CONTEXT-CREATED Context: (${
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this.name
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}) currentUid:${currentUid} asyncHooksCurrentId:${asyncHooksCurrentId} triggerId:${triggerId} len:${
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this._set.length
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} context:${util.inspect(context, {
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showHidden: true,
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depth: 2,
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colors: true,
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})}`
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)
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}
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return context
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}
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Namespace.prototype.run = function run(fn) {
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let context = this.createContext()
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this.enter(context)
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try {
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if (DEBUG_CLS_HOOKED) {
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const triggerId = async_hooks.triggerAsyncId()
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const asyncHooksCurrentId = async_hooks.executionAsyncId()
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const indentStr = " ".repeat(this._indent < 0 ? 0 : this._indent)
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debug2(
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`${indentStr}CONTEXT-RUN BEGIN: (${
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this.name
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}) currentUid:${currentUid} triggerId:${triggerId} asyncHooksCurrentId:${asyncHooksCurrentId} len:${
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this._set.length
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} context:${util.inspect(context)}`
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)
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}
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fn(context)
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return context
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} catch (exception) {
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if (exception) {
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exception[ERROR_SYMBOL] = context
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}
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throw exception
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} finally {
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if (DEBUG_CLS_HOOKED) {
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const triggerId = async_hooks.triggerAsyncId()
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const asyncHooksCurrentId = async_hooks.executionAsyncId()
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const indentStr = " ".repeat(this._indent < 0 ? 0 : this._indent)
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debug2(
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`${indentStr}CONTEXT-RUN END: (${
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this.name
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}) currentUid:${currentUid} triggerId:${triggerId} asyncHooksCurrentId:${asyncHooksCurrentId} len:${
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this._set.length
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} ${util.inspect(context)}`
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)
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}
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this.exit(context)
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}
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}
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Namespace.prototype.runAndReturn = function runAndReturn(fn) {
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let value
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this.run(function (context) {
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value = fn(context)
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})
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return value
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}
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/**
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* Uses global Promise and assumes Promise is cls friendly or wrapped already.
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* @param {function} fn
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* @returns {*}
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*/
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Namespace.prototype.runPromise = function runPromise(fn) {
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let context = this.createContext()
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this.enter(context)
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let promise = fn(context)
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if (!promise || !promise.then || !promise.catch) {
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throw new Error("fn must return a promise.")
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}
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if (DEBUG_CLS_HOOKED) {
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debug2(
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"CONTEXT-runPromise BEFORE: (" +
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this.name +
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") currentUid:" +
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currentUid +
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" len:" +
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this._set.length +
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" " +
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util.inspect(context)
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)
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}
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return promise
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.then(result => {
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if (DEBUG_CLS_HOOKED) {
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debug2(
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"CONTEXT-runPromise AFTER then: (" +
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this.name +
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") currentUid:" +
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currentUid +
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" len:" +
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this._set.length +
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" " +
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util.inspect(context)
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)
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}
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this.exit(context)
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return result
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})
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.catch(err => {
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err[ERROR_SYMBOL] = context
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if (DEBUG_CLS_HOOKED) {
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debug2(
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"CONTEXT-runPromise AFTER catch: (" +
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this.name +
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") currentUid:" +
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currentUid +
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" len:" +
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this._set.length +
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" " +
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util.inspect(context)
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)
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}
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this.exit(context)
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throw err
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})
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}
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Namespace.prototype.bind = function bindFactory(fn, context) {
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if (!context) {
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if (!this.active) {
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context = this.createContext()
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} else {
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context = this.active
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}
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}
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let self = this
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return function clsBind() {
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self.enter(context)
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try {
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return fn.apply(this, arguments)
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} catch (exception) {
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if (exception) {
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exception[ERROR_SYMBOL] = context
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}
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throw exception
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} finally {
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self.exit(context)
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}
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}
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}
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Namespace.prototype.enter = function enter(context) {
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assert.ok(context, "context must be provided for entering")
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if (DEBUG_CLS_HOOKED) {
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const asyncHooksCurrentId = async_hooks.executionAsyncId()
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const triggerId = async_hooks.triggerAsyncId()
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const indentStr = " ".repeat(this._indent < 0 ? 0 : this._indent)
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debug2(
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`${indentStr}CONTEXT-ENTER: (${
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this.name
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}) currentUid:${currentUid} triggerId:${triggerId} asyncHooksCurrentId:${asyncHooksCurrentId} len:${
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this._set.length
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} ${util.inspect(context)}`
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)
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}
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this._set.push(this.active)
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this.active = context
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}
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Namespace.prototype.exit = function exit(context) {
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assert.ok(context, "context must be provided for exiting")
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if (DEBUG_CLS_HOOKED) {
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const asyncHooksCurrentId = async_hooks.executionAsyncId()
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const triggerId = async_hooks.triggerAsyncId()
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const indentStr = " ".repeat(this._indent < 0 ? 0 : this._indent)
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debug2(
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`${indentStr}CONTEXT-EXIT: (${
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this.name
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}) currentUid:${currentUid} triggerId:${triggerId} asyncHooksCurrentId:${asyncHooksCurrentId} len:${
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this._set.length
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} ${util.inspect(context)}`
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)
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}
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// Fast path for most exits that are at the top of the stack
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if (this.active === context) {
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assert.ok(this._set.length, "can't remove top context")
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this.active = this._set.pop()
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return
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}
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// Fast search in the stack using lastIndexOf
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let index = this._set.lastIndexOf(context)
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if (index < 0) {
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if (DEBUG_CLS_HOOKED) {
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debug2(
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"??ERROR?? context exiting but not entered - ignoring: " +
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util.inspect(context)
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)
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}
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assert.ok(
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index >= 0,
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"context not currently entered; can't exit. \n" +
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util.inspect(this) +
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"\n" +
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util.inspect(context)
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)
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} else {
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assert.ok(index, "can't remove top context")
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this._set.splice(index, 1)
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}
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}
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Namespace.prototype.bindEmitter = function bindEmitter(emitter) {
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assert.ok(
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emitter.on && emitter.addListener && emitter.emit,
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"can only bind real EEs"
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)
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let namespace = this
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let thisSymbol = "context@" + this.name
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|
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// Capture the context active at the time the emitter is bound.
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function attach(listener) {
|
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if (!listener) {
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return
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}
|
||||
if (!listener[CONTEXTS_SYMBOL]) {
|
||||
listener[CONTEXTS_SYMBOL] = Object.create(null)
|
||||
}
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listener[CONTEXTS_SYMBOL][thisSymbol] = {
|
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namespace: namespace,
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||||
context: namespace.active,
|
||||
}
|
||||
}
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||||
|
||||
// At emit time, bind the listener within the correct context.
|
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function bind(unwrapped) {
|
||||
if (!(unwrapped && unwrapped[CONTEXTS_SYMBOL])) {
|
||||
return unwrapped
|
||||
}
|
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|
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let wrapped = unwrapped
|
||||
let unwrappedContexts = unwrapped[CONTEXTS_SYMBOL]
|
||||
Object.keys(unwrappedContexts).forEach(function (name) {
|
||||
let thunk = unwrappedContexts[name]
|
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wrapped = thunk.namespace.bind(wrapped, thunk.context)
|
||||
})
|
||||
return wrapped
|
||||
}
|
||||
|
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wrapEmitter(emitter, attach, bind)
|
||||
}
|
||||
|
||||
/**
|
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* If an error comes out of a namespace, it will have a context attached to it.
|
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* This function knows how to find it.
|
||||
*
|
||||
* @param {Error} exception Possibly annotated error.
|
||||
*/
|
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Namespace.prototype.fromException = function fromException(exception) {
|
||||
return exception[ERROR_SYMBOL]
|
||||
}
|
||||
|
||||
function getNamespace(name) {
|
||||
return process.namespaces[name]
|
||||
}
|
||||
|
||||
function createNamespace(name) {
|
||||
assert.ok(name, "namespace must be given a name.")
|
||||
|
||||
if (DEBUG_CLS_HOOKED) {
|
||||
debug2(`NS-CREATING NAMESPACE (${name})`)
|
||||
}
|
||||
let namespace = new Namespace(name)
|
||||
namespace.id = currentUid
|
||||
|
||||
const hook = async_hooks.createHook({
|
||||
init(asyncId, type, triggerId, resource) {
|
||||
currentUid = async_hooks.executionAsyncId()
|
||||
|
||||
//CHAIN Parent's Context onto child if none exists. This is needed to pass net-events.spec
|
||||
// let initContext = namespace.active;
|
||||
// if(!initContext && triggerId) {
|
||||
// let parentContext = namespace._contexts.get(triggerId);
|
||||
// if (parentContext) {
|
||||
// namespace.active = parentContext;
|
||||
// namespace._contexts.set(currentUid, parentContext);
|
||||
// if (DEBUG_CLS_HOOKED) {
|
||||
// const indentStr = ' '.repeat(namespace._indent < 0 ? 0 : namespace._indent);
|
||||
// debug2(`${indentStr}INIT [${type}] (${name}) WITH PARENT CONTEXT asyncId:${asyncId} currentUid:${currentUid} triggerId:${triggerId} active:${util.inspect(namespace.active, true)} resource:${resource}`);
|
||||
// }
|
||||
// } else if (DEBUG_CLS_HOOKED) {
|
||||
// const indentStr = ' '.repeat(namespace._indent < 0 ? 0 : namespace._indent);
|
||||
// debug2(`${indentStr}INIT [${type}] (${name}) MISSING CONTEXT asyncId:${asyncId} currentUid:${currentUid} triggerId:${triggerId} active:${util.inspect(namespace.active, true)} resource:${resource}`);
|
||||
// }
|
||||
// }else {
|
||||
// namespace._contexts.set(currentUid, namespace.active);
|
||||
// if (DEBUG_CLS_HOOKED) {
|
||||
// const indentStr = ' '.repeat(namespace._indent < 0 ? 0 : namespace._indent);
|
||||
// debug2(`${indentStr}INIT [${type}] (${name}) asyncId:${asyncId} currentUid:${currentUid} triggerId:${triggerId} active:${util.inspect(namespace.active, true)} resource:${resource}`);
|
||||
// }
|
||||
// }
|
||||
if (namespace.active) {
|
||||
namespace._contexts.set(asyncId, namespace.active)
|
||||
|
||||
if (DEBUG_CLS_HOOKED) {
|
||||
const indentStr = " ".repeat(
|
||||
namespace._indent < 0 ? 0 : namespace._indent
|
||||
)
|
||||
debug2(
|
||||
`${indentStr}INIT [${type}] (${name}) asyncId:${asyncId} currentUid:${currentUid} triggerId:${triggerId} active:${util.inspect(
|
||||
namespace.active,
|
||||
{ showHidden: true, depth: 2, colors: true }
|
||||
)} resource:${resource}`
|
||||
)
|
||||
}
|
||||
} else if (currentUid === 0) {
|
||||
// CurrentId will be 0 when triggered from C++. Promise events
|
||||
// https://github.com/nodejs/node/blob/master/doc/api/async_hooks.md#triggerid
|
||||
const triggerId = async_hooks.triggerAsyncId()
|
||||
const triggerIdContext = namespace._contexts.get(triggerId)
|
||||
if (triggerIdContext) {
|
||||
namespace._contexts.set(asyncId, triggerIdContext)
|
||||
if (DEBUG_CLS_HOOKED) {
|
||||
const indentStr = " ".repeat(
|
||||
namespace._indent < 0 ? 0 : namespace._indent
|
||||
)
|
||||
debug2(
|
||||
`${indentStr}INIT USING CONTEXT FROM TRIGGERID [${type}] (${name}) asyncId:${asyncId} currentUid:${currentUid} triggerId:${triggerId} active:${util.inspect(
|
||||
namespace.active,
|
||||
{ showHidden: true, depth: 2, colors: true }
|
||||
)} resource:${resource}`
|
||||
)
|
||||
}
|
||||
} else if (DEBUG_CLS_HOOKED) {
|
||||
const indentStr = " ".repeat(
|
||||
namespace._indent < 0 ? 0 : namespace._indent
|
||||
)
|
||||
debug2(
|
||||
`${indentStr}INIT MISSING CONTEXT [${type}] (${name}) asyncId:${asyncId} currentUid:${currentUid} triggerId:${triggerId} active:${util.inspect(
|
||||
namespace.active,
|
||||
{ showHidden: true, depth: 2, colors: true }
|
||||
)} resource:${resource}`
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
if (DEBUG_CLS_HOOKED && type === "PROMISE") {
|
||||
debug2(util.inspect(resource, { showHidden: true }))
|
||||
const parentId = resource.parentId
|
||||
const indentStr = " ".repeat(
|
||||
namespace._indent < 0 ? 0 : namespace._indent
|
||||
)
|
||||
debug2(
|
||||
`${indentStr}INIT RESOURCE-PROMISE [${type}] (${name}) parentId:${parentId} asyncId:${asyncId} currentUid:${currentUid} triggerId:${triggerId} active:${util.inspect(
|
||||
namespace.active,
|
||||
{ showHidden: true, depth: 2, colors: true }
|
||||
)} resource:${resource}`
|
||||
)
|
||||
}
|
||||
},
|
||||
before(asyncId) {
|
||||
currentUid = async_hooks.executionAsyncId()
|
||||
let context
|
||||
|
||||
/*
|
||||
if(currentUid === 0){
|
||||
// CurrentId will be 0 when triggered from C++. Promise events
|
||||
// https://github.com/nodejs/node/blob/master/doc/api/async_hooks.md#triggerid
|
||||
//const triggerId = async_hooks.triggerAsyncId();
|
||||
context = namespace._contexts.get(asyncId); // || namespace._contexts.get(triggerId);
|
||||
}else{
|
||||
context = namespace._contexts.get(currentUid);
|
||||
}
|
||||
*/
|
||||
|
||||
//HACK to work with promises until they are fixed in node > 8.1.1
|
||||
context =
|
||||
namespace._contexts.get(asyncId) || namespace._contexts.get(currentUid)
|
||||
|
||||
if (context) {
|
||||
if (DEBUG_CLS_HOOKED) {
|
||||
const triggerId = async_hooks.triggerAsyncId()
|
||||
const indentStr = " ".repeat(
|
||||
namespace._indent < 0 ? 0 : namespace._indent
|
||||
)
|
||||
debug2(
|
||||
`${indentStr}BEFORE (${name}) asyncId:${asyncId} currentUid:${currentUid} triggerId:${triggerId} active:${util.inspect(
|
||||
namespace.active,
|
||||
{ showHidden: true, depth: 2, colors: true }
|
||||
)} context:${util.inspect(context)}`
|
||||
)
|
||||
namespace._indent += 2
|
||||
}
|
||||
|
||||
namespace.enter(context)
|
||||
} else if (DEBUG_CLS_HOOKED) {
|
||||
const triggerId = async_hooks.triggerAsyncId()
|
||||
const indentStr = " ".repeat(
|
||||
namespace._indent < 0 ? 0 : namespace._indent
|
||||
)
|
||||
debug2(
|
||||
`${indentStr}BEFORE MISSING CONTEXT (${name}) asyncId:${asyncId} currentUid:${currentUid} triggerId:${triggerId} active:${util.inspect(
|
||||
namespace.active,
|
||||
{ showHidden: true, depth: 2, colors: true }
|
||||
)} namespace._contexts:${util.inspect(namespace._contexts, {
|
||||
showHidden: true,
|
||||
depth: 2,
|
||||
colors: true,
|
||||
})}`
|
||||
)
|
||||
namespace._indent += 2
|
||||
}
|
||||
},
|
||||
after(asyncId) {
|
||||
currentUid = async_hooks.executionAsyncId()
|
||||
let context // = namespace._contexts.get(currentUid);
|
||||
/*
|
||||
if(currentUid === 0){
|
||||
// CurrentId will be 0 when triggered from C++. Promise events
|
||||
// https://github.com/nodejs/node/blob/master/doc/api/async_hooks.md#triggerid
|
||||
//const triggerId = async_hooks.triggerAsyncId();
|
||||
context = namespace._contexts.get(asyncId); // || namespace._contexts.get(triggerId);
|
||||
}else{
|
||||
context = namespace._contexts.get(currentUid);
|
||||
}
|
||||
*/
|
||||
//HACK to work with promises until they are fixed in node > 8.1.1
|
||||
context =
|
||||
namespace._contexts.get(asyncId) || namespace._contexts.get(currentUid)
|
||||
|
||||
if (context) {
|
||||
if (DEBUG_CLS_HOOKED) {
|
||||
const triggerId = async_hooks.triggerAsyncId()
|
||||
namespace._indent -= 2
|
||||
const indentStr = " ".repeat(
|
||||
namespace._indent < 0 ? 0 : namespace._indent
|
||||
)
|
||||
debug2(
|
||||
`${indentStr}AFTER (${name}) asyncId:${asyncId} currentUid:${currentUid} triggerId:${triggerId} active:${util.inspect(
|
||||
namespace.active,
|
||||
{ showHidden: true, depth: 2, colors: true }
|
||||
)} context:${util.inspect(context)}`
|
||||
)
|
||||
}
|
||||
|
||||
namespace.exit(context)
|
||||
} else if (DEBUG_CLS_HOOKED) {
|
||||
const triggerId = async_hooks.triggerAsyncId()
|
||||
namespace._indent -= 2
|
||||
const indentStr = " ".repeat(
|
||||
namespace._indent < 0 ? 0 : namespace._indent
|
||||
)
|
||||
debug2(
|
||||
`${indentStr}AFTER MISSING CONTEXT (${name}) asyncId:${asyncId} currentUid:${currentUid} triggerId:${triggerId} active:${util.inspect(
|
||||
namespace.active,
|
||||
{ showHidden: true, depth: 2, colors: true }
|
||||
)} context:${util.inspect(context)}`
|
||||
)
|
||||
}
|
||||
},
|
||||
destroy(asyncId) {
|
||||
currentUid = async_hooks.executionAsyncId()
|
||||
if (DEBUG_CLS_HOOKED) {
|
||||
const triggerId = async_hooks.triggerAsyncId()
|
||||
const indentStr = " ".repeat(
|
||||
namespace._indent < 0 ? 0 : namespace._indent
|
||||
)
|
||||
debug2(
|
||||
`${indentStr}DESTROY (${name}) currentUid:${currentUid} asyncId:${asyncId} triggerId:${triggerId} active:${util.inspect(
|
||||
namespace.active,
|
||||
{ showHidden: true, depth: 2, colors: true }
|
||||
)} context:${util.inspect(namespace._contexts.get(currentUid))}`
|
||||
)
|
||||
}
|
||||
|
||||
namespace._contexts.delete(asyncId)
|
||||
},
|
||||
})
|
||||
|
||||
hook.enable()
|
||||
namespace._hook = hook
|
||||
|
||||
process.namespaces[name] = namespace
|
||||
return namespace
|
||||
}
|
||||
|
||||
function destroyNamespace(name) {
|
||||
let namespace = getNamespace(name)
|
||||
|
||||
assert.ok(namespace, "can't delete nonexistent namespace! \"" + name + '"')
|
||||
assert.ok(
|
||||
namespace.id,
|
||||
"don't assign to process.namespaces directly! " + util.inspect(namespace)
|
||||
)
|
||||
|
||||
namespace._hook.disable()
|
||||
namespace._contexts = null
|
||||
process.namespaces[name] = null
|
||||
}
|
||||
|
||||
function reset() {
|
||||
// must unregister async listeners
|
||||
if (process.namespaces) {
|
||||
Object.keys(process.namespaces).forEach(function (name) {
|
||||
destroyNamespace(name)
|
||||
})
|
||||
}
|
||||
process.namespaces = Object.create(null)
|
||||
}
|
||||
|
||||
process.namespaces = process.namespaces || {}
|
||||
|
||||
//const fs = require('fs');
|
||||
function debug2(...args) {
|
||||
if (DEBUG_CLS_HOOKED) {
|
||||
//fs.writeSync(1, `${util.format(...args)}\n`);
|
||||
process._rawDebug(`${util.format(...args)}`)
|
||||
}
|
||||
}
|
||||
|
||||
/*function getFunctionName(fn) {
|
||||
if (!fn) {
|
||||
return fn;
|
||||
}
|
||||
if (typeof fn === 'function') {
|
||||
if (fn.name) {
|
||||
return fn.name;
|
||||
}
|
||||
return (fn.toString().trim().match(/^function\s*([^\s(]+)/) || [])[1];
|
||||
} else if (fn.constructor && fn.constructor.name) {
|
||||
return fn.constructor.name;
|
||||
}
|
||||
}*/
|
||||
|
|
@ -1,84 +1,47 @@
|
|||
const cls = require("cls-hooked")
|
||||
const cls = require("../clshooked")
|
||||
const { newid } = require("../hashing")
|
||||
|
||||
const REQUEST_ID_KEY = "requestId"
|
||||
const MAIN_CTX = cls.createNamespace("main")
|
||||
|
||||
function getContextStorage(namespace) {
|
||||
if (namespace && namespace.active) {
|
||||
let contextData = namespace.active
|
||||
delete contextData.id
|
||||
delete contextData._ns_name
|
||||
return contextData
|
||||
}
|
||||
return {}
|
||||
}
|
||||
|
||||
class FunctionContext {
|
||||
static getMiddleware(
|
||||
updateCtxFn = null,
|
||||
destroyFn = null,
|
||||
contextName = "session"
|
||||
) {
|
||||
const namespace = this.createNamespace(contextName)
|
||||
|
||||
return async function (ctx, next) {
|
||||
await new Promise(
|
||||
namespace.bind(function (resolve, reject) {
|
||||
// store a contextual request ID that can be used anywhere (audit logs)
|
||||
namespace.set(REQUEST_ID_KEY, newid())
|
||||
namespace.bindEmitter(ctx.req)
|
||||
namespace.bindEmitter(ctx.res)
|
||||
|
||||
if (updateCtxFn) {
|
||||
updateCtxFn(ctx)
|
||||
}
|
||||
next()
|
||||
.then(resolve)
|
||||
.catch(reject)
|
||||
.finally(() => {
|
||||
if (destroyFn) {
|
||||
return destroyFn(ctx)
|
||||
}
|
||||
})
|
||||
})
|
||||
)
|
||||
}
|
||||
static run(callback) {
|
||||
return MAIN_CTX.runAndReturn(async () => {
|
||||
const namespaceId = newid()
|
||||
MAIN_CTX.set(REQUEST_ID_KEY, namespaceId)
|
||||
const namespace = cls.createNamespace(namespaceId)
|
||||
let response = await namespace.runAndReturn(callback)
|
||||
cls.destroyNamespace(namespaceId)
|
||||
return response
|
||||
})
|
||||
}
|
||||
|
||||
static run(callback, contextName = "session") {
|
||||
const namespace = this.createNamespace(contextName)
|
||||
|
||||
return namespace.runAndReturn(callback)
|
||||
}
|
||||
|
||||
static setOnContext(key, value, contextName = "session") {
|
||||
const namespace = this.createNamespace(contextName)
|
||||
static setOnContext(key, value) {
|
||||
const namespaceId = MAIN_CTX.get(REQUEST_ID_KEY)
|
||||
const namespace = cls.getNamespace(namespaceId)
|
||||
namespace.set(key, value)
|
||||
}
|
||||
|
||||
static getContextStorage() {
|
||||
if (this._namespace && this._namespace.active) {
|
||||
let contextData = this._namespace.active
|
||||
delete contextData.id
|
||||
delete contextData._ns_name
|
||||
return contextData
|
||||
}
|
||||
|
||||
return {}
|
||||
}
|
||||
|
||||
static getFromContext(key) {
|
||||
const context = this.getContextStorage()
|
||||
const namespaceId = MAIN_CTX.get(REQUEST_ID_KEY)
|
||||
const namespace = cls.getNamespace(namespaceId)
|
||||
const context = getContextStorage(namespace)
|
||||
if (context) {
|
||||
return context[key]
|
||||
} else {
|
||||
return null
|
||||
}
|
||||
}
|
||||
|
||||
static destroyNamespace(name = "session") {
|
||||
if (this._namespace) {
|
||||
cls.destroyNamespace(name)
|
||||
this._namespace = null
|
||||
}
|
||||
}
|
||||
|
||||
static createNamespace(name = "session") {
|
||||
if (!this._namespace) {
|
||||
this._namespace = cls.createNamespace(name)
|
||||
}
|
||||
return this._namespace
|
||||
}
|
||||
}
|
||||
|
||||
module.exports = FunctionContext
|
||||
|
|
|
|||
|
|
@ -55,6 +55,15 @@ async function closeAppDBs() {
|
|||
}
|
||||
}
|
||||
|
||||
exports.closeTenancy = async () => {
|
||||
if (env.USE_COUCH) {
|
||||
await closeDB(exports.getGlobalDB())
|
||||
}
|
||||
// clear from context now that database is closed/task is finished
|
||||
cls.setOnContext(ContextKeys.TENANT_ID, null)
|
||||
cls.setOnContext(ContextKeys.GLOBAL_DB, null)
|
||||
}
|
||||
|
||||
exports.isDefaultTenant = () => {
|
||||
return exports.getTenantId() === exports.DEFAULT_TENANT_ID
|
||||
}
|
||||
|
|
@ -82,12 +91,7 @@ exports.doInTenant = (tenantId, task) => {
|
|||
} finally {
|
||||
const using = cls.getFromContext(ContextKeys.IN_USE)
|
||||
if (!using || using <= 1) {
|
||||
if (env.USE_COUCH) {
|
||||
await closeDB(exports.getGlobalDB())
|
||||
}
|
||||
// clear from context now that database is closed/task is finished
|
||||
cls.setOnContext(ContextKeys.TENANT_ID, null)
|
||||
cls.setOnContext(ContextKeys.GLOBAL_DB, null)
|
||||
await exports.closeTenancy()
|
||||
} else {
|
||||
cls.setOnContext(using - 1)
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,6 +1,5 @@
|
|||
const { setTenantId, setGlobalDB, getGlobalDB } = require("../tenancy")
|
||||
const { closeDB } = require("../db")
|
||||
const ContextFactory = require("../context/FunctionContext")
|
||||
const { setTenantId, setGlobalDB, closeTenancy } = require("../tenancy")
|
||||
const cls = require("../context/FunctionContext")
|
||||
const { buildMatcherRegex, matches } = require("./matchers")
|
||||
|
||||
module.exports = (
|
||||
|
|
@ -11,17 +10,16 @@ module.exports = (
|
|||
const allowQsOptions = buildMatcherRegex(allowQueryStringPatterns)
|
||||
const noTenancyOptions = buildMatcherRegex(noTenancyPatterns)
|
||||
|
||||
const updateCtxFn = ctx => {
|
||||
const allowNoTenant =
|
||||
opts.noTenancyRequired || !!matches(ctx, noTenancyOptions)
|
||||
const allowQs = !!matches(ctx, allowQsOptions)
|
||||
const tenantId = setTenantId(ctx, { allowQs, allowNoTenant })
|
||||
setGlobalDB(tenantId)
|
||||
return async function (ctx, next) {
|
||||
return cls.run(async () => {
|
||||
const allowNoTenant =
|
||||
opts.noTenancyRequired || !!matches(ctx, noTenancyOptions)
|
||||
const allowQs = !!matches(ctx, allowQsOptions)
|
||||
const tenantId = setTenantId(ctx, { allowQs, allowNoTenant })
|
||||
setGlobalDB(tenantId)
|
||||
const res = await next()
|
||||
await closeTenancy()
|
||||
return res
|
||||
})
|
||||
}
|
||||
const destroyFn = async () => {
|
||||
const db = getGlobalDB()
|
||||
await closeDB(db)
|
||||
}
|
||||
|
||||
return ContextFactory.getMiddleware(updateCtxFn, destroyFn)
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1533,7 +1533,7 @@ electron-to-chromium@^1.3.896:
|
|||
resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.900.tgz#5be2c5818a2a012c511b4b43e87b6ab7a296d4f5"
|
||||
integrity sha512-SuXbQD8D4EjsaBaJJxySHbC+zq8JrFfxtb4GIr4E9n1BcROyMcRrJCYQNpJ9N+Wjf5mFp7Wp0OHykd14JNEzzQ==
|
||||
|
||||
emitter-listener@^1.0.1:
|
||||
emitter-listener@^1.0.1, emitter-listener@^1.1.2:
|
||||
version "1.1.2"
|
||||
resolved "https://registry.yarnpkg.com/emitter-listener/-/emitter-listener-1.1.2.tgz#56b140e8f6992375b3d7cb2cab1cc7432d9632e8"
|
||||
integrity sha512-Bt1sBAGFHY9DKY+4/2cV6izcKJUf5T7/gkdmkxzX/qv9CcGH8xSwVRW5mtX03SWJtRTWSOpzCuWN9rBFYZepZQ==
|
||||
|
|
|
|||
|
|
@ -10,6 +10,7 @@
|
|||
},
|
||||
"scripts": {
|
||||
"build": "rimraf dist/ && tsc -p tsconfig.build.json && mv dist/src/* dist/ && rimraf dist/src/ && yarn postbuild",
|
||||
"debug": "yarn build && node --expose-gc --inspect=9222 dist/index.js",
|
||||
"postbuild": "copyfiles -u 1 src/**/*.svelte dist/ && copyfiles -u 1 src/**/*.hbs dist/ && copyfiles -u 1 src/**/*.json dist/",
|
||||
"test": "jest --coverage --maxWorkers=2",
|
||||
"test:watch": "jest --watch",
|
||||
|
|
|
|||
Loading…
Reference in New Issue