Override config directory with env var.

Until this change, the config directory was assumed
to be located at '/config'. This patch retains that
default behaviour, but enables users/devs to override
that behaviour by setting the HOMEPAGE_CONFIG_DIR
variable.

src/pages/api/hash.js

@@ -2,7 +2,7 @@ import { join } from "path";
 import { createHash } from "crypto";
 import { readFileSync } from "fs";
 
-import checkAndCopyConfig from "utils/config/config";
+import checkAndCopyConfig, { CONF_DIR } from "utils/config/config";
 
 const configs = ["docker.yaml", "settings.yaml", "services.yaml", "bookmarks.yaml", "widgets.yaml"];
 
@@ -15,7 +15,7 @@ function hash(buffer) {
 export default async function handler(req, res) {
   const hashes = configs.map((config) => {
     checkAndCopyConfig(config);
-    const configYaml = join(process.cwd(), "config", config);
+    const configYaml = join(CONF_DIR, config);
     return hash(readFileSync(configYaml, "utf8"));
   });
 

src/utils/config/api-response.js

@@ -4,7 +4,7 @@ import path from "path";
 
 import yaml from "js-yaml";
 
-import checkAndCopyConfig, { getSettings, substituteEnvironmentVars } from "utils/config/config";
+import checkAndCopyConfig, { getSettings, substituteEnvironmentVars, CONF_DIR } from "utils/config/config";
 import {
   servicesFromConfig,
   servicesFromDocker,
@@ -27,7 +27,7 @@ function compareServices(service1, service2) {
 export async function bookmarksResponse() {
   checkAndCopyConfig("bookmarks.yaml");
 
-  const bookmarksYaml = path.join(process.cwd(), "config", "bookmarks.yaml");
+  const bookmarksYaml = path.join(CONF_DIR, "bookmarks.yaml");
   const rawFileContents = await fs.readFile(bookmarksYaml, "utf8");
   const fileContents = substituteEnvironmentVars(rawFileContents);
   const bookmarks = yaml.load(fileContents);

src/utils/config/config.js

@@ -1,6 +1,6 @@
 /* eslint-disable no-console */
 import { join } from "path";
-import { existsSync, readFileSync, copyFileSync } from "fs";
+import { copyFileSync, existsSync, mkdirSync, readFileSync } from "fs";
 
 import cache from "memory-cache";
 import yaml from "js-yaml";
@@ -9,8 +9,14 @@ const cacheKey = "homepageEnvironmentVariables";
 const homepageVarPrefix = "HOMEPAGE_VAR_";
 const homepageFilePrefix = "HOMEPAGE_FILE_";
 
+export const CONF_DIR = process.env.HOMEPAGE_CONFIG_DIR ? process.env.HOMEPAGE_CONFIG_DIR : join(process.cwd(), "config");
+
 export default function checkAndCopyConfig(config) {
-  const configYaml = join(process.cwd(), "config", config);
+  if (!existsSync(CONF_DIR)) {
+      mkdirSync(CONF_DIR, { recursive: true });
+  }
+
+  const configYaml = join(CONF_DIR, config);
   if (!existsSync(configYaml)) {
     const configSkeleton = join(process.cwd(), "src", "skeleton", config);
     try {
@@ -62,7 +68,7 @@ export function substituteEnvironmentVars(str) {
 export function getSettings() {
   checkAndCopyConfig("settings.yaml");
 
-  const settingsYaml = join(process.cwd(), "config", "settings.yaml");
+  const settingsYaml = join(CONF_DIR, "settings.yaml");
   const rawFileContents = readFileSync(settingsYaml, "utf8");
   const fileContents = substituteEnvironmentVars(rawFileContents);
   const initialSettings = yaml.load(fileContents) ?? {};
@@ -79,6 +85,5 @@ export function getSettings() {
       })
     }
   }
-
   return initialSettings
 }

src/utils/config/docker.js

@@ -3,12 +3,12 @@ import { readFileSync } from "fs";
 
 import yaml from "js-yaml";
 
-import checkAndCopyConfig, { substituteEnvironmentVars } from "utils/config/config";
+import checkAndCopyConfig, { CONF_DIR, substituteEnvironmentVars } from "utils/config/config";
 
 export default function getDockerArguments(server) {
   checkAndCopyConfig("docker.yaml");
 
-  const configFile = path.join(process.cwd(), "config", "docker.yaml");
+  const configFile = path.join(CONF_DIR, "docker.yaml");
   const rawConfigData = readFileSync(configFile, "utf8");
   const configData = substituteEnvironmentVars(rawConfigData);
   const servers = yaml.load(configData);
@@ -37,9 +37,9 @@ export default function getDockerArguments(server) {
       }
 
       if (servers[server].tls){
-        res.conn.ca = readFileSync(path.join(process.cwd(), "config", servers[server].tls.caFile));
+        res.conn.ca = readFileSync(path.join(CONF_DIR, servers[server].tls.caFile));
-        res.conn.cert = readFileSync(path.join(process.cwd(), "config", servers[server].tls.certFile));
+        res.conn.cert = readFileSync(path.join(CONF_DIR, servers[server].tls.certFile));
-        res.conn.key = readFileSync(path.join(process.cwd(), "config", servers[server].tls.keyFile));
+        res.conn.key = readFileSync(path.join(CONF_DIR, servers[server].tls.keyFile));
       }
 
       return res;

src/utils/config/kubernetes.js

@@ -4,12 +4,12 @@ import { readFileSync } from "fs";
 import yaml from "js-yaml";
 import { KubeConfig } from "@kubernetes/client-node";
 
-import checkAndCopyConfig, { substituteEnvironmentVars } from "utils/config/config";
+import checkAndCopyConfig, { CONF_DIR, substituteEnvironmentVars } from "utils/config/config";
 
 export default function getKubeConfig() {
   checkAndCopyConfig("kubernetes.yaml");
 
-  const configFile = path.join(process.cwd(), "config", "kubernetes.yaml");
+  const configFile = path.join(CONF_DIR, "kubernetes.yaml");
   const rawConfigData = readFileSync(configFile, "utf8");
   const configData = substituteEnvironmentVars(rawConfigData);
   const config = yaml.load(configData);

src/utils/config/service-helpers.js

@@ -7,7 +7,7 @@ import * as shvl from "shvl";
 import { CustomObjectsApi, NetworkingV1Api } from "@kubernetes/client-node";
 
 import createLogger from "utils/logger";
-import checkAndCopyConfig, { substituteEnvironmentVars } from "utils/config/config";
+import checkAndCopyConfig, { CONF_DIR, substituteEnvironmentVars } from "utils/config/config";
 import getDockerArguments from "utils/config/docker";
 import getKubeConfig from "utils/config/kubernetes";
 
@@ -17,7 +17,7 @@ const logger = createLogger("service-helpers");
 export async function servicesFromConfig() {
   checkAndCopyConfig("services.yaml");
 
-  const servicesYaml = path.join(process.cwd(), "config", "services.yaml");
+  const servicesYaml = path.join(CONF_DIR, "services.yaml");
   const rawFileContents = await fs.readFile(servicesYaml, "utf8");
   const fileContents = substituteEnvironmentVars(rawFileContents);
   const services = yaml.load(fileContents);
@@ -51,7 +51,7 @@ export async function servicesFromConfig() {
 export async function servicesFromDocker() {
   checkAndCopyConfig("docker.yaml");
 
-  const dockerYaml = path.join(process.cwd(), "config", "docker.yaml");
+  const dockerYaml = path.join(CONF_DIR, "docker.yaml");
   const rawDockerFileContents = await fs.readFile(dockerYaml, "utf8");
   const dockerFileContents = substituteEnvironmentVars(rawDockerFileContents);
   const servers = yaml.load(dockerFileContents);

src/utils/config/widget-helpers.js

@@ -3,12 +3,12 @@ import path from "path";
 
 import yaml from "js-yaml";
 
-import checkAndCopyConfig, { substituteEnvironmentVars } from "utils/config/config";
+import checkAndCopyConfig, { CONF_DIR, substituteEnvironmentVars } from "utils/config/config";
 
 export async function widgetsFromConfig() {
     checkAndCopyConfig("widgets.yaml");
 
-    const widgetsYaml = path.join(process.cwd(), "config", "widgets.yaml");
+    const widgetsYaml = path.join(CONF_DIR, "widgets.yaml");
     const rawFileContents = await fs.readFile(widgetsYaml, "utf8");
     const fileContents = substituteEnvironmentVars(rawFileContents);
     const widgets = yaml.load(fileContents);

src/utils/logger.js

@@ -1,18 +1,17 @@
 /* eslint-disable no-console */
-import { join } from "path";
 import { format as utilFormat } from "node:util";
 
 import winston from "winston";
 
-import checkAndCopyConfig, { getSettings } from "utils/config/config";
+import checkAndCopyConfig, { getSettings, CONF_DIR } from "utils/config/config";
+
 
 let winstonLogger;
 
 function init() {
-  const configPath = join(process.cwd(), "config");
   checkAndCopyConfig("settings.yaml");
   const settings = getSettings();
-  const logpath = settings.logpath || configPath;
+  const logpath = settings.logpath || CONF_DIR;
 
   function combineMessageAndSplat() {
     return {