renovate/lib/workers/global/config/parse/host-rules-from-env.ts

116 lines
3.3 KiB
TypeScript

import { logger } from '../../../../logger';
import { getDatasourceList } from '../../../../modules/datasource';
import type { HostRule } from '../../../../types';
type AuthField = 'token' | 'username' | 'password';
type HttpsAuthField =
| 'httpscertificate'
| 'httpsprivatekey'
| 'httpscertificateauthority';
function isAuthField(x: unknown): x is AuthField {
return x === 'token' || x === 'username' || x === 'password';
}
function isHttpsAuthField(x: unknown): x is HttpsAuthField {
return (
x === 'httpscertificate' ||
x === 'httpsprivatekey' ||
x === 'httpscertificateauthority'
);
}
function restoreHttpsAuthField(x: HttpsAuthField | AuthField): string {
switch (x) {
case 'httpsprivatekey':
return 'httpsPrivateKey';
case 'httpscertificate':
return 'httpsCertificate';
case 'httpscertificateauthority':
return 'httpsCertificateAuthority';
}
return x;
}
function setHostRuleValue(
rule: HostRule,
key: string,
value: string | undefined,
): void {
if (value !== undefined) {
switch (key) {
case 'token':
case 'username':
case 'password':
case 'httpsCertificateAuthority':
case 'httpsCertificate':
case 'httpsPrivateKey':
rule[key] = value;
}
}
}
export function hostRulesFromEnv(env: NodeJS.ProcessEnv): HostRule[] {
const datasources = new Set(getDatasourceList());
const platforms = new Set(['github']);
const hostRules: HostRule[] = [];
const npmEnvPrefixes = ['npm_config_', 'npm_lifecycle_', 'npm_package_'];
for (const envName of Object.keys(env).sort()) {
if (envName === 'GITHUB_COM_TOKEN') {
continue;
}
if (npmEnvPrefixes.some((prefix) => envName.startsWith(prefix))) {
logger.trace('Ignoring npm env: ' + envName);
continue;
}
// Double underscore __ is used in place of hyphen -
const splitEnv = envName.toLowerCase().replace(/__/g, '-').split('_');
const hostType = splitEnv.shift()!;
if (
datasources.has(hostType) ||
(platforms.has(hostType) && splitEnv.length > 1)
) {
let suffix = splitEnv.pop()!;
if (isAuthField(suffix) || isHttpsAuthField(suffix)) {
suffix = restoreHttpsAuthField(suffix);
let matchHost: string | undefined = undefined;
const rule: HostRule = {};
setHostRuleValue(rule, suffix, env[envName]);
if (splitEnv.length === 0) {
// host-less rule
} else if (splitEnv.length === 1) {
logger.warn({ env: envName }, 'Cannot parse env');
continue;
} else {
matchHost = splitEnv.join('.');
}
const existingRule = hostRules.find(
(hr) => hr.hostType === hostType && hr.matchHost === matchHost,
);
logger.debug(`Converting ${envName} into a global host rule`);
if (existingRule) {
// Add current field to existing rule
setHostRuleValue(existingRule, suffix, env[envName]);
} else {
// Create a new rule
const newRule: HostRule = {
hostType,
};
if (matchHost) {
newRule.matchHost = matchHost;
}
setHostRuleValue(newRule, suffix, env[envName]);
hostRules.push(newRule);
}
}
}
}
return hostRules;
}