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Merge pull request #1644 from balena-io/skip-proxy-on-no-config

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Don't try to setup a proxy agent when there's no proxy configured
This commit is contained in:
Page- 2020-03-02 16:45:42 +00:00 committed by GitHub
commit af8d7283a5
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3 changed files with 51 additions and 38 deletions
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67
lib/app-common.ts
View File

@ -78,14 +78,9 @@ function checkNodeVersion() {
}
}
export interface GlobalTunnelNgConfig {
host: string;
port: number;
protocol: string;
proxyAuth?: string;
connect?: string;
sockets?: number;
}
export type GlobalTunnelNgConfig = import('global-tunnel-ng').Options;
type ProxyConfig = string | GlobalTunnelNgConfig;
/**
* Global proxy setup. Originally, `global-tunnel-ng` was used, but it only
@ -110,12 +105,28 @@ export interface GlobalTunnelNgConfig {
* default exclusion patterns are added for all private IPv4 address ranges.
*/
async function setupGlobalHttpProxy(settings: CliSettings) {
// `global-tunnel-ng` accepts lowercase variables with higher precedence
// than uppercase variables, but `global-agent` does not accept lowercase.
// Set uppercase versions for backwards compatibility.
const { env } = process;
if (env.http_proxy) {
env.HTTP_PROXY = env.http_proxy;
}
if (env.https_proxy) {
env.HTTPS_PROXY = env.https_proxy;
}
delete env.http_proxy;
delete env.https_proxy;
const proxy = settings.getCatch<ProxyConfig>('proxy');
if (proxy || env.HTTPS_PROXY || env.HTTP_PROXY) {
const semver = await import('semver');
if (semver.lt(process.version, '10.16.0')) {
setupGlobalTunnelNgProxy(settings);
await setupGlobalTunnelNgProxy(proxy);
} else {
// use global-agent instead of global-tunnel-ng
await setupGlobalAgentProxy(settings);
await setupGlobalAgentProxy(settings, proxy);
}
}
}
@ -123,9 +134,8 @@ async function setupGlobalHttpProxy(settings: CliSettings) {
* `global-tunnel-ng` proxy setup.
* See docs for setupGlobalHttpProxy() above.
*/
function setupGlobalTunnelNgProxy(settings: CliSettings) {
const proxy = settings.getCatch<string | GlobalTunnelNgConfig>('proxy');
const globalTunnel = require('global-tunnel-ng');
async function setupGlobalTunnelNgProxy(proxy?: ProxyConfig) {
const globalTunnel = await import('global-tunnel-ng');
// Init the tunnel even if BALENARC_PROXY is not defined, because
// other env vars may be defined. If no proxy configuration exists,
// initialize() does nothing.
@ -137,9 +147,12 @@ function setupGlobalTunnelNgProxy(settings: CliSettings) {
* `global-agent` proxy setup.
* See docs for setupGlobalHttpProxy() above, and also the README file
* (Proxy Support section).
* If `proxy` is undefined, HTTP(S)_PROXY env vars are expected to be set.
*/
async function setupGlobalAgentProxy(settings: CliSettings) {
const proxy = settings.getCatch<string | GlobalTunnelNgConfig>('proxy');
async function setupGlobalAgentProxy(
settings: CliSettings,
proxy?: ProxyConfig,
) {
const noProxy = settings.getCatch<string>('noProxy');
// Always exclude localhost, even if NO_PROXY is set
const requiredNoProxy = ['localhost', '127.0.0.1'];
@ -151,33 +164,19 @@ async function setupGlobalAgentProxy(settings: CliSettings) {
const env = process.env;
env.GLOBAL_AGENT_ENVIRONMENT_VARIABLE_NAMESPACE = '';
env.NO_PROXY = [
...requiredNoProxy,
...(noProxy ? noProxy.split(',').filter(v => v) : privateNoProxy),
].join(',');
if (proxy) {
const _ = await import('lodash');
const proxyUrl: string =
typeof proxy === 'string' ? proxy : makeUrlFromTunnelNgConfig(proxy);
env.HTTPS_PROXY = env.HTTP_PROXY = proxyUrl;
delete env.http_proxy;
delete env.https_proxy;
env.NO_PROXY = [
...requiredNoProxy,
...(noProxy ? _.filter((noProxy || '').split(',')) : privateNoProxy),
].join(',');
} else {
// `global-tunnel-ng` accepts lowercase variables with higher precedence
// than uppercase variables, but `global-agent` does not accept lowercase.
// Set uppercase versions for backwards compatibility.
if (env.http_proxy) {
env.HTTP_PROXY = env.http_proxy;
}
if (env.https_proxy) {
env.HTTPS_PROXY = env.https_proxy;
}
}
const { bootstrap } = require('global-agent');
const { bootstrap } = await import('global-agent');
bootstrap();
}

12
npm-shrinkwrap.json generated
View File

@ -745,6 +745,18 @@
"@types/node": "*"
}
},
"@types/global-agent": {
"version": "2.1.0",
"resolved": "https://registry.npmjs.org/@types/global-agent/-/global-agent-2.1.0.tgz",
"integrity": "sha512-xBOerse4Agekl7VZJclA9bfuA9aa3u9T24TDkBiMQrZgu4qe5HMBPzVGzAt2k4dx/v3uIFI6CzG0Z9X894LHrg==",
"dev": true
},
"@types/global-tunnel-ng": {
"version": "2.1.0",
"resolved": "https://registry.npmjs.org/@types/global-tunnel-ng/-/global-tunnel-ng-2.1.0.tgz",
"integrity": "sha512-JPhCJHHu5/5HuQ78rmbrnCk+XlyxKuAopk+/8rP5MfAeL7KwiCH/gFFNtAqIr0/JFqWFk+jXWZjEWSP8dzGpMg==",
"dev": true
},
"@types/intercept-stdout": {
"version": "0.1.0",
"resolved": "https://registry.npmjs.org/@types/intercept-stdout/-/intercept-stdout-0.1.0.tgz",

2
package.json
View File

@ -108,6 +108,8 @@
"@types/ejs": "^3.0.1",
"@types/express": "^4.17.2",
"@types/fs-extra": "^8.1.0",
"@types/global-agent": "^2.1.0",
"@types/global-tunnel-ng": "^2.1.0",
"@types/intercept-stdout": "^0.1.0",
"@types/is-root": "^2.1.2",
"@types/lodash": "^4.14.149",