feat(server): YAML config file support (#7894)

* test(server): Load config from yaml

* docs: YAML config support

* feat(server): YAML config file support

* fix format

---------

Co-authored-by: Alex Tran <alex.tran1502@gmail.com>

docs/docs/install/config-file.md

@@ -4,7 +4,7 @@ A config file can be provided as an alternative to the UI configuration.
 
 ### Step 1 - Create a new config file
 
-In JSON format, create a new config file (e.g. `immich.config`) and put it in a location that can be accessed by Immich.
+In JSON format, create a new config file (e.g. `immich.json`) and put it in a location that can be accessed by Immich.
 The default configuration looks like this:
 
 ```json
@@ -163,3 +163,7 @@ So you can just grab it from there, paste it into a file and you're pretty much
 
 In your `.env` file, set the variable `IMMICH_CONFIG_FILE` to the path of your config.
 For more information, refer to the [Environment Variables](/docs/install/environment-variables.md) section.
+
+:::tip
+YAML-formatted config files are also supported.
+:::

server/package-lock.json

@@ -44,6 +44,7 @@
         "i18n-iso-countries": "^7.6.0",
         "ioredis": "^5.3.2",
         "joi": "^17.10.0",
+        "js-yaml": "^4.1.0",
         "lodash": "^4.17.21",
         "luxon": "^3.4.2",
         "nest-commander": "^3.11.1",
@@ -75,6 +76,7 @@
         "@types/imagemin": "^8.0.1",
         "@types/jest": "29.5.12",
         "@types/jest-when": "^3.5.2",
+        "@types/js-yaml": "^4.0.9",
         "@types/lodash": "^4.14.197",
         "@types/mock-fs": "^4.13.1",
         "@types/multer": "^1.4.7",
@@ -4571,6 +4573,12 @@
         "@types/jest": "*"
       }
     },
+    "node_modules/@types/js-yaml": {
+      "version": "4.0.9",
+      "resolved": "https://registry.npmjs.org/@types/js-yaml/-/js-yaml-4.0.9.tgz",
+      "integrity": "sha512-k4MGaQl5TGo/iipqb2UDG2UwjXziSWkh0uysQelTlJpX1qGlpUZYm8PnO4DxG1qBomtJUdYJ6qR6xdIah10JLg==",
+      "dev": true
+    },
     "node_modules/@types/json-schema": {
       "version": "7.0.13",
       "resolved": "https://registry.npmjs.org/@types/json-schema/-/json-schema-7.0.13.tgz",
@@ -17578,6 +17586,12 @@
         "@types/jest": "*"
       }
     },
+    "@types/js-yaml": {
+      "version": "4.0.9",
+      "resolved": "https://registry.npmjs.org/@types/js-yaml/-/js-yaml-4.0.9.tgz",
+      "integrity": "sha512-k4MGaQl5TGo/iipqb2UDG2UwjXziSWkh0uysQelTlJpX1qGlpUZYm8PnO4DxG1qBomtJUdYJ6qR6xdIah10JLg==",
+      "dev": true
+    },
     "@types/json-schema": {
       "version": "7.0.13",
       "resolved": "https://registry.npmjs.org/@types/json-schema/-/json-schema-7.0.13.tgz",

server/package.json

@@ -68,6 +68,7 @@
     "i18n-iso-countries": "^7.6.0",
     "ioredis": "^5.3.2",
     "joi": "^17.10.0",
+    "js-yaml": "^4.1.0",
     "lodash": "^4.17.21",
     "luxon": "^3.4.2",
     "nest-commander": "^3.11.1",
@@ -99,6 +100,7 @@
     "@types/imagemin": "^8.0.1",
     "@types/jest": "29.5.12",
     "@types/jest-when": "^3.5.2",
+    "@types/js-yaml": "^4.0.9",
     "@types/lodash": "^4.14.197",
     "@types/mock-fs": "^4.13.1",
     "@types/multer": "^1.4.7",

server/src/domain/system-config/system-config.core.ts

@@ -17,6 +17,7 @@ import { BadRequestException, ForbiddenException, Injectable } from '@nestjs/com
 import { CronExpression } from '@nestjs/schedule';
 import { plainToInstance } from 'class-transformer';
 import { validate } from 'class-validator';
+import { load as loadYaml } from 'js-yaml';
 import * as _ from 'lodash';
 import { Subject } from 'rxjs';
 import { QueueName } from '../job/job.constants';
@@ -341,19 +342,19 @@ export class SystemConfigCore {
     if (force || !this.configCache) {
       try {
         const file = await this.repository.readFile(filepath);
-        const json = JSON.parse(file.toString());
+        const config = loadYaml(file.toString()) as any;
         const overrides: SystemConfigEntity<SystemConfigValue>[] = [];
 
         for (const key of Object.values(SystemConfigKey)) {
-          const value = _.get(json, key);
+          const value = _.get(config, key);
-          this.unsetDeep(json, key);
+          this.unsetDeep(config, key);
           if (value !== undefined) {
             overrides.push({ key, value });
           }
         }
 
-        if (!_.isEmpty(json)) {
+        if (!_.isEmpty(config)) {
-          this.logger.warn(`Unknown keys found: ${JSON.stringify(json, null, 2)}`);
+          this.logger.warn(`Unknown keys found: ${JSON.stringify(config, null, 2)}`);
         }
 
         this.configCache = overrides;

server/src/domain/system-config/system-config.service.spec.ts

@@ -209,7 +209,7 @@ describe(SystemConfigService.name, () => {
       await expect(sut.getConfig()).resolves.toEqual(updatedConfig);
     });
 
-    it('should load the config from a file', async () => {
+    it('should load the config from a json file', async () => {
       process.env.IMMICH_CONFIG_FILE = 'immich-config.json';
       const partialConfig = {
         ffmpeg: { crf: 30 },
@@ -224,6 +224,25 @@ describe(SystemConfigService.name, () => {
       expect(configMock.readFile).toHaveBeenCalledWith('immich-config.json');
     });
 
+    it('should load the config from a yaml file', async () => {
+      process.env.IMMICH_CONFIG_FILE = 'immich-config.yaml';
+      const partialConfig = `
+        ffmpeg:
+          crf: 30
+        oauth:
+          autoLaunch: true
+        trash:
+          days: 10
+        user:
+          deleteDelay: 15
+      `;
+      configMock.readFile.mockResolvedValue(partialConfig);
+
+      await expect(sut.getConfig()).resolves.toEqual(updatedConfig);
+
+      expect(configMock.readFile).toHaveBeenCalledWith('immich-config.yaml');
+    });
+
     it('should accept an empty configuration file', async () => {
       process.env.IMMICH_CONFIG_FILE = 'immich-config.json';
       configMock.readFile.mockResolvedValue(JSON.stringify({}));
@@ -242,6 +261,17 @@ describe(SystemConfigService.name, () => {
       expect(config.machineLearning.url).toEqual('immich_machine_learning');
     });
 
+    it('should warn for unknown options in yaml', async () => {
+      process.env.IMMICH_CONFIG_FILE = 'immich-config.yaml';
+      const partialConfig = `
+        unknownOption: true
+      `;
+      configMock.readFile.mockResolvedValue(partialConfig);
+
+      await sut.getConfig();
+      expect(warnLog).toHaveBeenCalled();
+    });
+
     const tests = [
       { should: 'validate numbers', config: { ffmpeg: { crf: 'not-a-number' } } },
       { should: 'validate booleans', config: { oauth: { enabled: 'invalid' } } },