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Added support for environment variable substitution

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* Only environment variables starting with HOMEPAGE_VAR_ and HOMEPAGE_FILE_
  are supported
* The value of env var HOMEPAGE_VAR_XXX will replace {{HOMEPAGE_VAR_XXX}}
  in any config
* The value of env var HOMEPAGE_FILE_XXX must be a file path, the contents
  of which will be used to replace {{HOMEPAGE_FILE_XXX}} in any config
* If a substituted value contains a variable reference it may also be
  replaced, but the behavior is non-deterministic
This commit is contained in:
James Wynn 2023-02-23 08:50:25 -06:00
parent b65f6fca19
commit e0f1aae4d5
6 changed files with 38 additions and 13 deletions
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9
src/utils/config/service-helpers.js
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@ -7,17 +7,19 @@ import * as shvl from "shvl";
import { NetworkingV1Api } from "@kubernetes/client-node";
import createLogger from "utils/logger";
import checkAndCopyConfig from "utils/config/config";
import checkAndCopyConfig, { substituteEnvironmentVars } from "utils/config/config";
import getDockerArguments from "utils/config/docker";
import getKubeConfig from "utils/config/kubernetes";
const logger = createLogger("service-helpers");
export async function servicesFromConfig() {
checkAndCopyConfig("services.yaml");
const servicesYaml = path.join(process.cwd(), "config", "services.yaml");
const fileContents = await fs.readFile(servicesYaml, "utf8");
const rawFileContents = await fs.readFile(servicesYaml, "utf8");
const fileContents = substituteEnvironmentVars(rawFileContents);
const services = yaml.load(fileContents);
if (!services) {
@ -49,7 +51,8 @@ export async function servicesFromDocker() {
checkAndCopyConfig("docker.yaml");
const dockerYaml = path.join(process.cwd(), "config", "docker.yaml");
const dockerFileContents = await fs.readFile(dockerYaml, "utf8");
const rawDockerFileContents = await fs.readFile(dockerYaml, "utf8");
const dockerFileContents = substituteEnvironmentVars(rawDockerFileContents);
const servers = yaml.load(dockerFileContents);
if (!servers) {