initial 2 commit
This commit is contained in:
Niccolo Borgioli
parent
732f728ff8
commit
7c11ba18fd
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node_modules
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/autorestic
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# Rename backend to repository
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# Env variables
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AUTORESTIC_BB_B2_ACCOUNT_ID=123 -> AUTORESTIC_BACKENDS_BB_ENV_B2**ACCOUNT**ID=123
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- All fields can be configured by env now
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- To escape `_` replace it with double underscore `__`
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# Rest property on backend config
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No rest property anymore, can be used in string extrapolation
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# Every string is now replaceable with env variables
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{
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"private": true,
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"name": "autorestic",
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"module": "src/index.ts",
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"type": "module",
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"scripts": {
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"schema:gen": "bun run ./scripts/generateSchema.ts",
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"bin": "bun build ./src/index.ts --compile --outfile autorestic"
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},
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"devDependencies": {
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"bun-types": "^0.6.0",
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"typescript": "^5.0.0",
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"zod-to-json-schema": "^3.21.2"
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},
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"dependencies": {
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"@commander-js/extra-typings": "^11.0.0",
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"commander": "^11.0.0",
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"pino": "^8.14.1",
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"pino-pretty": "^10.0.0",
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"yaml": "^2.3.1",
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"zod": "^3.21.4"
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}
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}
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{
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"$ref": "#/definitions/mySchema",
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"definitions": {
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"mySchema": {
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"type": "object",
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"properties": {
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"version": {
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"type": "number",
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"description": "version number"
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},
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"repos": {
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"type": "object",
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"additionalProperties": {
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"type": "object",
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"properties": {
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"type": {
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"type": "string",
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"enum": [
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"local",
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"sftp",
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"rest",
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"swift",
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"s3",
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"b2",
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"azure",
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"gs",
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"rclone"
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],
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"description": "type of repository"
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},
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"path": {
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"type": "string",
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"minLength": 1,
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"description": "restic path"
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},
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"key": {
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"$ref": "#/definitions/mySchema/properties/repos/additionalProperties/properties/path",
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"description": "encryption key for the repository"
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},
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"env": {
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"type": "object",
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"additionalProperties": {
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"$ref": "#/definitions/mySchema/properties/repos/additionalProperties/properties/path",
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"description": "value of the environment variable"
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},
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"description": "environment variables"
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},
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"options": {
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"type": "object",
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"properties": {
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"all": {
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"type": "object",
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"additionalProperties": {
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"anyOf": [
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{
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"type": "boolean",
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"const": true,
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"description": "boolean flag"
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},
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{
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"anyOf": [
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{
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"$ref": "#/definitions/mySchema/properties/repos/additionalProperties/properties/path",
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"description": "non-empty string that can extrapolate env variables inside it"
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},
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{
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"type": "array",
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"items": {
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"$ref": "#/definitions/mySchema/properties/repos/additionalProperties/properties/options/properties/all/additionalProperties/anyOf/1/anyOf/0"
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},
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"minItems": 1
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}
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]
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}
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],
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"description": "value of option"
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}
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},
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"backup": {
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"$ref": "#/definitions/mySchema/properties/repos/additionalProperties/properties/options/properties/all"
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},
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"forget": {
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"$ref": "#/definitions/mySchema/properties/repos/additionalProperties/properties/options/properties/all"
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}
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},
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"additionalProperties": false,
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"description": "options"
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}
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},
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"required": [
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"type",
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"path",
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"key"
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],
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"additionalProperties": false
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},
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"description": "available repositories"
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},
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"locations": {
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"type": "object",
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"additionalProperties": {
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"type": "object",
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"properties": {
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"from": {
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"anyOf": [
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{
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"$ref": "#/definitions/mySchema/properties/repos/additionalProperties/properties/path",
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"description": "local path to backup"
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},
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{
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"type": "array",
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"items": {
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"$ref": "#/definitions/mySchema/properties/locations/additionalProperties/properties/from/anyOf/0"
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},
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"minItems": 1
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}
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]
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},
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"to": {
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"anyOf": [
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{
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"$ref": "#/definitions/mySchema/properties/repos/additionalProperties/properties/path",
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"description": "repository to backup to"
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},
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{
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"type": "array",
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"items": {
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"$ref": "#/definitions/mySchema/properties/locations/additionalProperties/properties/to/anyOf/0"
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},
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"minItems": 1
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}
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]
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},
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"copy": {
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"type": "object",
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"additionalProperties": {
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"anyOf": [
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{
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"$ref": "#/definitions/mySchema/properties/repos/additionalProperties/properties/path",
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"description": "destination repository"
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},
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{
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"type": "array",
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"items": {
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"$ref": "#/definitions/mySchema/properties/locations/additionalProperties/properties/copy/additionalProperties/anyOf/0"
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},
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"minItems": 1
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}
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]
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}
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},
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"cron": {
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"$ref": "#/definitions/mySchema/properties/repos/additionalProperties/properties/path",
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"description": "execute backups for the given cron job"
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},
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"hooks": {
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"type": "object",
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"properties": {
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"before": {
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"anyOf": [
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{
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"$ref": "#/definitions/mySchema/properties/repos/additionalProperties/properties/path",
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"description": "command to be executed"
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},
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{
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"type": "array",
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"items": {
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"$ref": "#/definitions/mySchema/properties/locations/additionalProperties/properties/hooks/properties/before/anyOf/0"
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},
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"minItems": 1
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}
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],
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"description": "list of commands"
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},
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"after": {
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"$ref": "#/definitions/mySchema/properties/locations/additionalProperties/properties/hooks/properties/before",
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"description": "list of commands"
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},
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"failure": {
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"$ref": "#/definitions/mySchema/properties/locations/additionalProperties/properties/hooks/properties/before",
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"description": "list of commands"
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},
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"success": {
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"$ref": "#/definitions/mySchema/properties/locations/additionalProperties/properties/hooks/properties/before",
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"description": "list of commands"
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}
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},
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"additionalProperties": false,
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"description": "hooks to be executed"
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},
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"options": {
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"type": "object",
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"properties": {
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"all": {
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"$ref": "#/definitions/mySchema/properties/repos/additionalProperties/properties/options/properties/all"
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},
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"backup": {
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"$ref": "#/definitions/mySchema/properties/repos/additionalProperties/properties/options/properties/backup"
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},
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"forget": {
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"$ref": "#/definitions/mySchema/properties/repos/additionalProperties/properties/options/properties/forget"
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}
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},
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"additionalProperties": false,
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"description": "native restic options"
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},
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"forget": {
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"anyOf": [
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{
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"type": "boolean",
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"description": "automatically run \"forget\" when backing up"
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},
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{
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"type": "string",
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"const": "prune",
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"description": "also prune when forgetting"
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}
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]
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}
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},
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"required": [
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"from",
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"to"
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],
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"additionalProperties": false,
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"description": "Location"
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},
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"description": "available locations"
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},
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"global": {
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"type": "object",
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"properties": {
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"options": {
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"$ref": "#/definitions/mySchema/properties/locations/additionalProperties/properties/options",
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"description": "native restic options"
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}
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},
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"additionalProperties": false,
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"description": "global configuration"
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},
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"extras": {}
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},
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"required": [
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"version",
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"repos",
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"locations"
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],
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"additionalProperties": false
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}
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},
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"$schema": "http://json-schema.org/draft-07/schema#"
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}
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@ -0,0 +1,17 @@
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import { mkdir, rm, writeFile } from 'node:fs/promises'
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import { zodToJsonSchema } from 'zod-to-json-schema'
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import { ConfigSchema } from '../src/config/schema/config'
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const OUTPUT = './schema'
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await rm(OUTPUT, { recursive: true, force: true })
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await mkdir(OUTPUT, { recursive: true })
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const Schemas = {
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config: ConfigSchema,
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}
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for (const [name, schema] of Object.entries(Schemas)) {
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const jsonSchema = zodToJsonSchema(schema, 'mySchema')
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await writeFile(`${OUTPUT}/${name}.json`, JSON.stringify(jsonSchema, null, 2), { encoding: 'utf-8' })
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}
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import { Log } from '../logger'
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import { Context } from '../models/context'
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export async function backup(ctx: Context) {
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const log = Log.child({ cmd: 'check' })
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log.trace('starting')
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// Locations
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for (const location of ctx.locations) {
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await location.backup()
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}
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log.trace('done')
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}
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import { unlockRepo, waitForRepo } from '../lock'
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import { Log } from '../logger'
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import { Context } from '../models/context'
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import { isResticAvailable } from '../restic'
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export async function check(ctx: Context) {
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const l = Log.child({ cmd: 'check' })
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l.trace('starting')
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// Restic
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isResticAvailable()
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// Repos
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for (const repo of ctx.repos) {
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await waitForRepo(ctx, repo.name)
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try {
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await repo.init()
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await repo.check()
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} finally {
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unlockRepo(ctx, repo.name)
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}
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}
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l.trace('done')
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}
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import { describe, expect, test } from 'bun:test'
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import { InvalidEnvFileLine } from '../../errors'
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import { parseFile } from './file'
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describe('env file', () => {
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test('simple', () => {
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expect(parseFile(`test_foo=ok`)).toEqual({ test_foo: 'ok' })
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})
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test('multiple values', () => {
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expect(parseFile(`test_foo=ok\n \n spacing = foo \n`)).toEqual({ test_foo: 'ok', spacing: 'foo' })
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})
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test('invalid: key', () => {
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expect(() => parseFile(`a=123\na f=ok`)).toThrow(new InvalidEnvFileLine('a f=ok'))
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})
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test('invalid: missing =', () => {
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expect(() => parseFile(`a=123\na ok`)).toThrow(new InvalidEnvFileLine('a ok'))
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})
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})
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import { exists, readFile } from 'node:fs/promises'
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import { InvalidEnvFileLine } from '../../errors'
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import { setByPath } from '../../utils/path'
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import { relativePath } from '../resolution'
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export function parseFile(contents: string) {
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const variables: Record<string, string> = {}
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const lines = contents
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.trim()
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.split('\n')
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.map((l) => l.trim())
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const matcher = /^\s*(?<variable>\w+)\s*=(?<value>.*)$/
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for (const line of lines) {
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if (!line) continue
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const match = matcher.exec(line)
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if (!match) throw new InvalidEnvFileLine(line)
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variables[match.groups!.variable] = match.groups!.value.trim()
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}
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return variables
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}
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const PREFIX = 'AUTORESTIC_'
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function envVariableToObjectPath(env: string): string {
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if (env.startsWith(PREFIX)) env = env.replace(PREFIX, '')
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return (
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env
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// Convert to object path
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.replaceAll('_', '.')
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// Escape the double unterscore. __ -> .. -> _
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.replaceAll('..', '_')
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.toLowerCase()
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)
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}
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/**
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* Fill the config file with the env file variables.
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* These take precedence before the config file itself.
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*/
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export async function enrichConfig(rawConfig: any, path: string) {
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const envFilePath = relativePath(path, '.autorestic.env')
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let variables: Record<string, string> = {}
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if (await exists(envFilePath)) {
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const envFile = parseFile(await readFile(envFilePath, 'utf-8'))
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Object.assign(variables, envFile)
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}
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Object.assign(variables, process.env)
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for (const [key, value] of Object.entries(variables)) {
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if (!key.startsWith(PREFIX)) continue
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setByPath(rawConfig, envVariableToObjectPath(key), value)
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||||
}
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||||
}
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|
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import { exists, readFile } from 'node:fs/promises'
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import yaml from 'yaml'
|
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import { ConfigFileNotFound, CustomError, InvalidConfigFile } from '../errors'
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import { enrichConfig } from './env/file'
|
||||
import { autoLocateConfig } from './resolution'
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import { Config, ConfigWithMetaSchema } from './schema/config'
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import { basename } from 'node:path'
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||||
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||||
export async function loadConfig(customPath?: string): Promise<Config> {
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let path: string
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||||
if (customPath) {
|
||||
path = customPath
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if (!(await exists(path))) throw new ConfigFileNotFound([path])
|
||||
} else {
|
||||
path = await autoLocateConfig()
|
||||
}
|
||||
|
||||
const rawConfig = await readFile(path, 'utf-8')
|
||||
const config = yaml.parse(rawConfig)
|
||||
await enrichConfig(config, path)
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config.meta = { path: basename(path) }
|
||||
const parsed = ConfigWithMetaSchema.safeParse(config)
|
||||
if (!parsed.success)
|
||||
throw new InvalidConfigFile(parsed.error.errors.map((e) => `${e.path.join(' > ')}: ${e.message}`))
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||||
|
||||
// Check for semantics
|
||||
|
||||
return parsed.data
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||||
}
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||||
|
|
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|||
import { exists } from 'node:fs/promises'
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||||
import { dirname, isAbsolute, join, resolve } from 'node:path'
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||||
import { ConfigFileNotFound } from '../errors'
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||||
|
||||
const DEFAULT_DIRS = ['./', '~/', '~/.config/autorestic']
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||||
const FILENAMES = ['.autorestic.yaml', '.autorestic.yml', '.autorestic.json']
|
||||
|
||||
export async function autoLocateConfig(): Promise<string> {
|
||||
const paths = DEFAULT_DIRS
|
||||
const xdgHome = process.env['XDG_CONFIG_HOME']
|
||||
if (xdgHome) paths.push(xdgHome)
|
||||
for (const path in paths) {
|
||||
for (const filename in FILENAMES) {
|
||||
const file = join(path, filename)
|
||||
if (await exists(file)) return file
|
||||
}
|
||||
}
|
||||
throw new ConfigFileNotFound(paths)
|
||||
}
|
||||
|
||||
export function relativePath(base: string, path: string): string {
|
||||
return isAbsolute(path) ? path : resolve(base, path)
|
||||
}
|
||||
|
|
@ -0,0 +1,20 @@
|
|||
import { ZodTypeAny, z } from 'zod'
|
||||
import { Log } from '../../logger'
|
||||
|
||||
export const NonEmptyString = z
|
||||
.string()
|
||||
.min(1)
|
||||
// Extrapolate env variables from a string
|
||||
.transform((s) => {
|
||||
return s.replaceAll(/\$(\w+)|\${(\w+)}/g, (_, g0, g1) => {
|
||||
const variable = g0 || g1
|
||||
const value = process.env[variable] ?? ''
|
||||
if (!value) Log.error(`cannot find environment variable "${variable}" to replace in ${s}`)
|
||||
return value
|
||||
})
|
||||
})
|
||||
.describe('non-empty string that can extrapolate env variables inside it')
|
||||
|
||||
export function OptionallyArray<T extends ZodTypeAny>(type: T) {
|
||||
return z.union([type, z.array(type).min(1)])
|
||||
}
|
||||
|
|
@ -0,0 +1,69 @@
|
|||
import { z } from 'zod'
|
||||
import { asArray } from '../../utils/array'
|
||||
import { RepositorySchema } from './repository'
|
||||
import { NonEmptyString } from './common'
|
||||
import { LocationSchema } from './location'
|
||||
import { OptionsSchema } from './options'
|
||||
|
||||
export const ConfigSchema = z.strictObject({
|
||||
version: z.number().describe('version number'),
|
||||
repos: z.record(NonEmptyString.describe('repository name'), RepositorySchema).describe('available repositories'),
|
||||
locations: z.record(NonEmptyString.describe('location name'), LocationSchema).describe('available locations'),
|
||||
global: z
|
||||
.strictObject({
|
||||
options: OptionsSchema.optional(),
|
||||
})
|
||||
.describe('global configuration')
|
||||
.optional(),
|
||||
extras: z.any().optional(),
|
||||
})
|
||||
|
||||
const ConfigMeta = z
|
||||
.strictObject({
|
||||
path: NonEmptyString.describe('The path of the loaded config'),
|
||||
})
|
||||
.describe('Meta information about the config')
|
||||
|
||||
export const ConfigWithMetaSchema = ConfigSchema.extend({
|
||||
meta: ConfigMeta,
|
||||
}).superRefine((config, ctx) => {
|
||||
const availableRepos = Object.keys(config.repos)
|
||||
for (const [name, location] of Object.entries(config.locations)) {
|
||||
const locationPath = [...ctx.path, 'locations', name]
|
||||
const toRepos = asArray(location.to)
|
||||
// Check if all target repos are valid
|
||||
for (const to of toRepos) {
|
||||
if (!availableRepos.includes(to)) {
|
||||
const message = `location "${name}" has an invalid repository "${to}"`
|
||||
ctx.addIssue({ message, code: 'custom', path: [...locationPath, 'to'] })
|
||||
}
|
||||
}
|
||||
// Check copy field
|
||||
if (!location.copy) continue
|
||||
for (const [source, destinations] of Object.entries(location.copy)) {
|
||||
const path = [...locationPath, 'copy', source]
|
||||
if (!toRepos.includes(source))
|
||||
ctx.addIssue({
|
||||
code: 'custom',
|
||||
path,
|
||||
message: `copy source "${source}" must be also a backup target`,
|
||||
})
|
||||
for (const destination of asArray(destinations)) {
|
||||
if (destination === source)
|
||||
ctx.addIssue({
|
||||
code: 'custom',
|
||||
path: [...path, destination],
|
||||
message: `destination repository "${destination}" cannot be also the source in copy field`,
|
||||
})
|
||||
if (!availableRepos.includes(destination))
|
||||
ctx.addIssue({
|
||||
code: 'custom',
|
||||
path: [...path, destination],
|
||||
message: `destination repository "${destination}" does not exist`,
|
||||
})
|
||||
}
|
||||
}
|
||||
}
|
||||
})
|
||||
|
||||
export type Config = z.infer<typeof ConfigWithMetaSchema>
|
||||
|
|
@ -0,0 +1,14 @@
|
|||
import { z } from 'zod'
|
||||
import { NonEmptyString, OptionallyArray } from './common'
|
||||
|
||||
const Command = NonEmptyString.describe('command to be executed')
|
||||
const Commands = OptionallyArray(Command).describe('list of commands')
|
||||
|
||||
export const HooksSchema = z
|
||||
.strictObject({
|
||||
before: Commands.optional(),
|
||||
after: Commands.optional(),
|
||||
failure: Commands.optional(),
|
||||
success: Commands.optional(),
|
||||
})
|
||||
.describe('hooks to be executed')
|
||||
|
|
@ -0,0 +1,28 @@
|
|||
import { z } from 'zod'
|
||||
import { NonEmptyString, OptionallyArray } from './common'
|
||||
import { HooksSchema } from './hooks'
|
||||
import { OptionsSchema } from './options'
|
||||
|
||||
export const LocationSchema = z
|
||||
.strictObject({
|
||||
from: OptionallyArray(NonEmptyString.describe('local path to backup')),
|
||||
to: OptionallyArray(NonEmptyString.describe('repository to backup to')),
|
||||
copy: z
|
||||
.record(
|
||||
NonEmptyString.describe('source repository from which to copy from'),
|
||||
OptionallyArray(NonEmptyString.describe('destination repository'))
|
||||
)
|
||||
.optional(),
|
||||
|
||||
// adapter:
|
||||
cron: NonEmptyString.describe('execute backups for the given cron job').optional(),
|
||||
hooks: HooksSchema.optional(),
|
||||
options: OptionsSchema.optional(),
|
||||
forget: z
|
||||
.union([
|
||||
z.boolean().describe('automatically run "forget" when backing up'),
|
||||
z.literal('prune').describe('also prune when forgetting'),
|
||||
])
|
||||
.optional(),
|
||||
})
|
||||
.describe('Location')
|
||||
|
|
@ -0,0 +1,15 @@
|
|||
import { z } from 'zod'
|
||||
import { NonEmptyString, OptionallyArray } from './common'
|
||||
|
||||
const OptionSchema = z.record(
|
||||
NonEmptyString.describe('native restic option'),
|
||||
z.union([z.literal(true).describe('boolean flag'), OptionallyArray(NonEmptyString)]).describe('value of option')
|
||||
)
|
||||
|
||||
export const OptionsSchema = z
|
||||
.strictObject({
|
||||
all: OptionSchema.optional(),
|
||||
backup: OptionSchema.optional(),
|
||||
forget: OptionSchema.optional(),
|
||||
})
|
||||
.describe('native restic options')
|
||||
|
|
@ -0,0 +1,18 @@
|
|||
import { z } from 'zod'
|
||||
import { NonEmptyString } from './common'
|
||||
import { OptionsSchema } from './options'
|
||||
|
||||
export const RepositorySchema = z.strictObject({
|
||||
type: z.enum(['local', 'sftp', 'rest', 'swift', 's3', 'b2', 'azure', 'gs', 'rclone']).describe('type of repository'),
|
||||
path: NonEmptyString.describe('restic path'),
|
||||
key: NonEmptyString.describe('encryption key for the repository'),
|
||||
env: z
|
||||
.record(
|
||||
NonEmptyString.describe('environment variable'),
|
||||
NonEmptyString.describe('value of the environment variable')
|
||||
)
|
||||
.transform((env) => Object.fromEntries(Object.entries(env).map(([key, value]) => [key.toUpperCase(), value])))
|
||||
.describe('environment variables')
|
||||
.optional(),
|
||||
options: OptionsSchema.describe('options').optional(),
|
||||
})
|
||||
|
|
@ -0,0 +1,47 @@
|
|||
function formatLines(lines: string[]) {
|
||||
return lines.map((p) => ` ▶ ${p}`).join('\n')
|
||||
}
|
||||
|
||||
export class CustomError extends Error {}
|
||||
|
||||
export class InvalidEnvFileLine extends CustomError {
|
||||
constructor(line: string) {
|
||||
super(`invalid env file line: "${line}"`)
|
||||
}
|
||||
}
|
||||
|
||||
export class NotImplemented extends CustomError {
|
||||
constructor(functionality: string) {
|
||||
super(`not implemented: ${functionality}`)
|
||||
}
|
||||
}
|
||||
|
||||
export class ConfigFileNotFound extends CustomError {
|
||||
constructor(paths: string[]) {
|
||||
super(`could not locate config file.\nthe following paths were tried:\n${formatLines(paths)}`)
|
||||
}
|
||||
}
|
||||
|
||||
export class InvalidConfigFile extends CustomError {
|
||||
constructor(errors: string[]) {
|
||||
super(`could not parse the config file.\n${formatLines(errors)}`)
|
||||
}
|
||||
}
|
||||
|
||||
export class BinaryNotAvailable extends CustomError {
|
||||
constructor(binary: string) {
|
||||
super(`binary "${binary}" is not available in $PATH`)
|
||||
}
|
||||
}
|
||||
|
||||
export class ResticError extends CustomError {
|
||||
constructor(errors: string[]) {
|
||||
super(`internal restic error.\n${formatLines(errors)}`)
|
||||
}
|
||||
}
|
||||
|
||||
export class LockfileAlreadyLocked extends CustomError {
|
||||
constructor(repo: string) {
|
||||
super(`cannot acquire lock for repository "${repo}", already in use`)
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,138 @@
|
|||
import { Command, Help, Option, program } from '@commander-js/extra-typings'
|
||||
import { loadConfig } from './config'
|
||||
import { CustomError, NotImplemented } from './errors'
|
||||
import { Log, LogLevel, setLevelFromFlag } from './logger'
|
||||
import { check } from './cmd/check'
|
||||
import { Context } from './models/context'
|
||||
import { backup } from './cmd/backup'
|
||||
|
||||
export const helpConfig: Partial<Help> = {
|
||||
showGlobalOptions: true,
|
||||
sortOptions: true,
|
||||
sortSubcommands: true,
|
||||
helpWidth: 1,
|
||||
}
|
||||
|
||||
program
|
||||
.name('autorestic')
|
||||
.description('configuration manager and runner for restic')
|
||||
.version('2.0.0-alpha.0')
|
||||
.configureHelp(helpConfig)
|
||||
.allowExcessArguments(false)
|
||||
.allowUnknownOption(false)
|
||||
|
||||
// Global options
|
||||
program.option('-c, --config <file>', 'specify custom configuration file')
|
||||
program.option('-v', 'verbosity', (_, previous) => previous + 1, 1)
|
||||
program.addOption(new Option('--ci', 'CI mode').env('CI').default(false))
|
||||
|
||||
// Common Options
|
||||
const specificLocation = new Option('-l, --location <locations...>', 'location name, multiple possible')
|
||||
specificLocation.variadic = true
|
||||
const allLocations = new Option('-a, --all', 'all locations')
|
||||
const specificRepo = new Option('-r, --repository <names...>', 'repository name, multiple possible')
|
||||
specificLocation.variadic = true
|
||||
const allRepos = new Option('-a, --all', 'all repositories')
|
||||
|
||||
function mergeOptions<T extends {}>(local: T, p: Command) {
|
||||
const globals = p.optsWithGlobals() as { config?: string; verbosity: number; ci: boolean }
|
||||
return {
|
||||
...globals,
|
||||
...local,
|
||||
}
|
||||
}
|
||||
|
||||
program.hook('preAction', (command) => {
|
||||
// @ts-ignore
|
||||
const v: number = command.opts().v
|
||||
setLevelFromFlag(v)
|
||||
})
|
||||
|
||||
program
|
||||
.command('check')
|
||||
.description('check if the config is valid and sets up the repositories')
|
||||
.configureHelp(helpConfig)
|
||||
.action(async (options, p) => {
|
||||
const merged = mergeOptions(options, p)
|
||||
const config = await loadConfig(merged.config)
|
||||
const ctx = new Context(config)
|
||||
await check(ctx)
|
||||
})
|
||||
|
||||
program
|
||||
.command('backup')
|
||||
.description('create backups')
|
||||
.configureHelp(helpConfig)
|
||||
.addOption(specificLocation)
|
||||
.addOption(allLocations)
|
||||
.action(async (options, p) => {
|
||||
// throw new NotImplemented('backup')
|
||||
const merged = mergeOptions(options, p)
|
||||
const config = await loadConfig(merged.config)
|
||||
const ctx = new Context(config)
|
||||
await backup(ctx)
|
||||
})
|
||||
|
||||
program
|
||||
.command('exec')
|
||||
.description('execute arbitrary native restic commands for given repositories')
|
||||
.configureHelp(helpConfig)
|
||||
.addOption(specificRepo)
|
||||
.addOption(allRepos)
|
||||
.allowExcessArguments(true)
|
||||
.action((options, p) => {
|
||||
throw new NotImplemented('exec')
|
||||
})
|
||||
|
||||
program
|
||||
.command('forget')
|
||||
.description('forget snapshots according to the specified policies')
|
||||
.configureHelp(helpConfig)
|
||||
.addOption(specificLocation)
|
||||
.addOption(allLocations)
|
||||
// Pass natively
|
||||
// .option('--dry-run', 'do not write changes, show what would be affected')
|
||||
// .option('--prune', 'also prune repository')
|
||||
.action((options) => {
|
||||
throw new NotImplemented('backup')
|
||||
})
|
||||
|
||||
program
|
||||
.command('restore')
|
||||
.description('restore a snapshot to a given location')
|
||||
.option('--force', 'overwrite target folder')
|
||||
.option('--from <repository>', 'repository from which to restore')
|
||||
.option('--to <path>', 'path where to restore the data')
|
||||
.option('-l, --location <location>', 'location to be restored')
|
||||
.argument('[snapshot-id]', 'snapshot to be restored. if empty latest will be taken')
|
||||
.action(() => {
|
||||
throw new NotImplemented('restore')
|
||||
})
|
||||
|
||||
const self = new Command('self').description('utility commands for managing autorestic').configureHelp(helpConfig)
|
||||
self.command('install').action(() => {
|
||||
throw new NotImplemented('install')
|
||||
})
|
||||
self.command('uninstall').action(() => {
|
||||
throw new NotImplemented('uninstall')
|
||||
})
|
||||
self.command('upgrade').action(() => {
|
||||
throw new NotImplemented('upgrade')
|
||||
})
|
||||
self.command('completion').action(() => {
|
||||
throw new NotImplemented('completion')
|
||||
})
|
||||
program.addCommand(self)
|
||||
|
||||
try {
|
||||
await program.parseAsync()
|
||||
} catch (e) {
|
||||
if (e instanceof CustomError) {
|
||||
Log.fatal(e.message)
|
||||
} else if (e instanceof Error) {
|
||||
Log.fatal(`unknown error: ${e.message}`)
|
||||
}
|
||||
process.exit(1)
|
||||
} finally {
|
||||
// TODO: Unlock
|
||||
}
|
||||
|
|
@ -0,0 +1,20 @@
|
|||
import { describe, expect, mock, test, beforeEach } from 'bun:test'
|
||||
import { lockRepo } from '.'
|
||||
import { Context } from '../models/context'
|
||||
import { mkdir, rm } from 'node:fs/promises'
|
||||
|
||||
const mockPath = './test/'
|
||||
const mockContext: Context = { config: { meta: { path: mockPath } } } as any
|
||||
|
||||
describe('lock', () => {
|
||||
beforeEach(async () => {
|
||||
// Cleanup lock file
|
||||
await rm(mockPath, { recursive: true, force: true })
|
||||
await mkdir(mockPath, { recursive: true })
|
||||
})
|
||||
|
||||
test('lock', () => {
|
||||
lockRepo(mockContext, 'foo')
|
||||
// lockRepo(mockContext, 'foo')
|
||||
})
|
||||
})
|
||||
|
|
@ -0,0 +1,78 @@
|
|||
import { readFileSync, writeFileSync } from 'node:fs'
|
||||
import yaml from 'yaml'
|
||||
import { relativePath } from '../config/resolution'
|
||||
import { LockfileAlreadyLocked } from '../errors'
|
||||
import { Log } from '../logger'
|
||||
import { Context } from '../models/context'
|
||||
import { Lockfile, LockfileSchema } from './schema'
|
||||
import { wait } from '../utils/time'
|
||||
|
||||
const LOCKFILE = '.autorestic.lock'
|
||||
const VERSION = 2
|
||||
const l = Log.child({ command: 'lock' })
|
||||
|
||||
function load(ctx: Context): Lockfile {
|
||||
const defaultLockfile = { version: VERSION, cron: {}, running: {} }
|
||||
try {
|
||||
const path = relativePath(ctx.config.meta.path, LOCKFILE)
|
||||
l.trace('looking for lock file', { path })
|
||||
// throw new Error(path)
|
||||
const rawConfig = readFileSync(path, 'utf-8')
|
||||
const config = yaml.parse(rawConfig)
|
||||
const parsed = LockfileSchema.safeParse(config)
|
||||
if (!parsed.success) return defaultLockfile
|
||||
if (parsed.data.version < VERSION) {
|
||||
l.debug('lockfile is old and will be overwritten')
|
||||
return defaultLockfile
|
||||
}
|
||||
return parsed.data
|
||||
} catch {
|
||||
return defaultLockfile
|
||||
}
|
||||
}
|
||||
|
||||
function write(ctx: Context, lockfile: Lockfile) {
|
||||
const path = relativePath(ctx.config.meta.path, LOCKFILE)
|
||||
writeFileSync(path, yaml.stringify(lockfile), 'utf-8')
|
||||
}
|
||||
|
||||
export function lockRepo(ctx: Context, repo: string) {
|
||||
const lock = load(ctx)
|
||||
l.trace('trying to lock repository', { repo })
|
||||
if (lock.running[repo]) throw new LockfileAlreadyLocked(repo)
|
||||
lock.running[repo] = true
|
||||
write(ctx, lock)
|
||||
}
|
||||
|
||||
/**
|
||||
* Waits for a repo to become unlocked, and errors if it does not succeed in the given timeout.
|
||||
*
|
||||
* @param [timeout=10] max seconds to wait for repo to become unlocked
|
||||
*/
|
||||
export async function waitForRepo(ctx: Context, repo: string, timeout = 10) {
|
||||
const now = Date.now()
|
||||
while (Date.now() - now < timeout * 1_000) {
|
||||
try {
|
||||
lockRepo(ctx, repo)
|
||||
l.trace('repo is free again', { repo })
|
||||
break
|
||||
} catch {
|
||||
l.trace('waiting for repo to be unlocked', { repo })
|
||||
await wait(0.1) // Wait for 100ms
|
||||
}
|
||||
}
|
||||
throw new LockfileAlreadyLocked(repo)
|
||||
}
|
||||
|
||||
export function updateLastRun(ctx: Context, location: string) {
|
||||
const lock = load(ctx)
|
||||
lock.cron[location] = Date.now()
|
||||
write(ctx, lock)
|
||||
}
|
||||
|
||||
export function unlockRepo(ctx: Context, repo: string) {
|
||||
l.trace('unlocking repository', { repo })
|
||||
const lock = load(ctx)
|
||||
lock.running[repo] = false
|
||||
write(ctx, lock)
|
||||
}
|
||||
|
|
@ -0,0 +1,13 @@
|
|||
import { z } from 'zod'
|
||||
|
||||
export const LockfileSchema = z.strictObject({
|
||||
version: z.number().min(0).describe('lockfile version'),
|
||||
running: z
|
||||
.record(z.string().describe('repository'), z.boolean().describe('whether repository is running'))
|
||||
.describe('running information for each repository'),
|
||||
cron: z
|
||||
.record(z.string().describe('location'), z.number().describe('timestamp of last backup'))
|
||||
.describe('information about last run for a given location. in milliseconds'),
|
||||
})
|
||||
|
||||
export type Lockfile = z.infer<typeof LockfileSchema>
|
||||
|
|
@ -0,0 +1,37 @@
|
|||
import Pino, { type LoggerOptions } from 'pino'
|
||||
import Pretty from 'pino-pretty'
|
||||
|
||||
// https://getpino.io/#/docs/api?id=loggerlevel-string-gettersetter
|
||||
export enum LogLevel {
|
||||
Trace = 'trace',
|
||||
Debug = 'debug',
|
||||
Info = 'info',
|
||||
Warn = 'warn',
|
||||
Error = 'error',
|
||||
Fatal = 'fatal',
|
||||
Silent = 'silent',
|
||||
}
|
||||
|
||||
const pretty = !process.env.CI
|
||||
const options: LoggerOptions = {
|
||||
base: undefined,
|
||||
level: LogLevel.Info,
|
||||
}
|
||||
|
||||
export const Log = pretty ? Pino(options, Pretty({ colorize: true })) : Pino(options)
|
||||
|
||||
export function setLevelFromFlag(flag: number) {
|
||||
switch (flag) {
|
||||
case 1:
|
||||
Log.level = LogLevel.Info
|
||||
break
|
||||
case 2:
|
||||
Log.level = LogLevel.Debug
|
||||
break
|
||||
case 3:
|
||||
Log.level = LogLevel.Trace
|
||||
break
|
||||
default:
|
||||
Log.error('invalid logging level')
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,25 @@
|
|||
import { Config } from '../config/schema/config'
|
||||
import { CustomError } from '../errors'
|
||||
import { Location } from './location'
|
||||
import { Repository } from './repository'
|
||||
|
||||
export class Context {
|
||||
repos: Repository[]
|
||||
locations: Location[]
|
||||
|
||||
constructor(public config: Config) {
|
||||
this.repos = Object.entries(config.repos).map(([name, r]) => new Repository(this, name, r))
|
||||
this.locations = Object.entries(config.locations).map(([name, l]) => new Location(this, name, l))
|
||||
}
|
||||
|
||||
getRepo(name: string) {
|
||||
const repo = this.repos.find((r) => r.name === name)
|
||||
if (!repo) throw new CustomError(`could not find backend "${name}"`)
|
||||
return repo
|
||||
}
|
||||
getLocation(name: string) {
|
||||
const location = this.locations.find((l) => l.name === name)
|
||||
if (!location) throw new CustomError(`could not find location "${name}"`)
|
||||
return location
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,28 @@
|
|||
import { Logger } from 'pino'
|
||||
import { z } from 'zod'
|
||||
import { LocationSchema } from '../config/schema/location'
|
||||
import { Log } from '../logger'
|
||||
import { asArray } from '../utils/array'
|
||||
import { Context } from './context'
|
||||
import { execute } from '../restic'
|
||||
|
||||
export class Location {
|
||||
l: Logger
|
||||
|
||||
constructor(public ctx: Context, public name: string, public data: z.infer<typeof LocationSchema>) {
|
||||
this.l = Log.child({ location: name })
|
||||
}
|
||||
|
||||
async backup() {
|
||||
this.l.trace('backing up location')
|
||||
for (const name of asArray(this.data.to)) {
|
||||
const repo = this.ctx.getRepo(name)
|
||||
this.l.debug(repo.name)
|
||||
await execute({
|
||||
command: 'restic',
|
||||
args: ['backup', '--dry-run'],
|
||||
env: repo.env,
|
||||
})
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,66 @@
|
|||
import { Logger } from 'pino'
|
||||
import { z } from 'zod'
|
||||
import { relativePath } from '../config/resolution'
|
||||
import { Config } from '../config/schema/config'
|
||||
import { RepositorySchema } from '../config/schema/repository'
|
||||
import { ResticError } from '../errors'
|
||||
import { Log } from '../logger'
|
||||
import { execute } from '../restic'
|
||||
import { Context } from './context'
|
||||
|
||||
export class Repository {
|
||||
l: Logger
|
||||
|
||||
constructor(public ctx: Context, public name: string, public data: z.infer<typeof RepositorySchema>) {
|
||||
this.l = Log.child({ repository: this.name })
|
||||
}
|
||||
|
||||
get repository(): string {
|
||||
switch (this.data.type) {
|
||||
case 'local':
|
||||
return relativePath(this.ctx.config.meta.path, this.data.path)
|
||||
case 'b2':
|
||||
case 'azure':
|
||||
case 'gs':
|
||||
case 's3':
|
||||
case 'sftp':
|
||||
case 'rclone':
|
||||
case 'swift':
|
||||
case 'rest':
|
||||
return `${this.data.type}:${this.data.path}`
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
get env() {
|
||||
return {
|
||||
...this.data.env,
|
||||
RESTIC_PASSWORD: this.data.key,
|
||||
RESTIC_REPOSITORY: this.repository,
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* true if initialized
|
||||
* false if already initialized
|
||||
*/
|
||||
async init(): Promise<boolean> {
|
||||
this.l.trace('initializing')
|
||||
const output = await execute({ command: 'restic', args: ['init'], env: this.env })
|
||||
if (!output.ok) {
|
||||
if (output.stderr.includes('config file already exists')) {
|
||||
this.l.debug('already initialized')
|
||||
return false
|
||||
}
|
||||
throw new ResticError([output.stderr])
|
||||
}
|
||||
this.l.debug('initialized repository')
|
||||
return true
|
||||
}
|
||||
|
||||
async check() {
|
||||
this.l.trace('checking')
|
||||
const output = await execute({ command: 'restic', args: ['check'], env: this.env })
|
||||
if (!output.ok) throw new ResticError(['could not check repository', output.stderr])
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,44 @@
|
|||
import { execFile } from 'node:child_process'
|
||||
import { Log } from '../logger'
|
||||
import { BinaryNotAvailable } from '../errors'
|
||||
|
||||
export type ExecutionContext = {
|
||||
command: string
|
||||
args?: string[]
|
||||
env?: Record<string, string>
|
||||
}
|
||||
export async function execute({
|
||||
env,
|
||||
args,
|
||||
command,
|
||||
}: ExecutionContext): Promise<{ code: number; stderr: string; stdout: string; ok: boolean }> {
|
||||
return new Promise((resolve) => {
|
||||
execFile(command, args ?? [], { env }, (err, stdout, stderr) => {
|
||||
const code = err?.code ?? 0
|
||||
resolve({
|
||||
code,
|
||||
ok: code === 0,
|
||||
stderr,
|
||||
stdout,
|
||||
})
|
||||
})
|
||||
})
|
||||
}
|
||||
|
||||
export async function isBinaryAvailable(command: string): Promise<boolean> {
|
||||
const l = Log.child({ command })
|
||||
try {
|
||||
l.trace('checking if command is installed')
|
||||
const result = await execute({ command })
|
||||
return result.ok
|
||||
} catch {
|
||||
l.trace('not installed')
|
||||
return false
|
||||
}
|
||||
}
|
||||
|
||||
export async function isResticAvailable() {
|
||||
const bin = 'restic'
|
||||
const installed = await isBinaryAvailable(bin)
|
||||
if (!installed) throw new BinaryNotAvailable(bin)
|
||||
}
|
||||
|
|
@ -0,0 +1,12 @@
|
|||
import { describe, expect, test } from 'bun:test'
|
||||
import { isSubset } from './array'
|
||||
|
||||
describe('set theory', () => {
|
||||
test('subset', () => {
|
||||
expect(isSubset([1], [1, 2])).toBe(true)
|
||||
expect(isSubset([1], [2])).toBe(false)
|
||||
expect(isSubset([], [])).toBe(true)
|
||||
expect(isSubset([1, 2, 3], [1, 2])).toBe(false)
|
||||
expect(isSubset([1, 2], [1, 2])).toBe(true)
|
||||
})
|
||||
})
|
||||
|
|
@ -0,0 +1,7 @@
|
|||
export function asArray<T>(singleOrArray: T | T[]): T[] {
|
||||
return Array.isArray(singleOrArray) ? singleOrArray : [singleOrArray]
|
||||
}
|
||||
|
||||
export function isSubset<T>(subset: T[], set: T[]): boolean {
|
||||
return subset.every((v) => set.includes(v))
|
||||
}
|
||||
|
|
@ -0,0 +1,33 @@
|
|||
import { expect, test, describe } from 'bun:test'
|
||||
import { setByPath } from './path'
|
||||
|
||||
describe('set by path', () => {
|
||||
test('simple', () => {
|
||||
expect(setByPath({}, 'a', true)).toEqual({ a: true })
|
||||
expect(setByPath({}, 'f', { ok: true })).toEqual({ f: { ok: true } })
|
||||
expect(setByPath([], '0', true)).toEqual([true])
|
||||
expect(setByPath([], '2', false)).toEqual([undefined, undefined, false])
|
||||
})
|
||||
|
||||
test('object', () => {
|
||||
expect(setByPath({}, 'a.b', true)).toEqual({ a: { b: true } })
|
||||
expect(setByPath({}, 'a.b.c', true)).toEqual({ a: { b: { c: true } } })
|
||||
expect(setByPath({ a: true }, 'b', false)).toEqual({ a: true, b: false })
|
||||
expect(setByPath({ a: { b: true } }, 'a.c', false)).toEqual({ a: { b: true, c: false } })
|
||||
|
||||
expect(() => setByPath({ a: 'foo' }, 'a.b', true)).toThrow()
|
||||
expect(setByPath({ a: 'foo' }, 'a', true)).toEqual({ a: true })
|
||||
})
|
||||
|
||||
test('array', () => {
|
||||
expect(() => setByPath([], 'a', true)).toThrow()
|
||||
expect(setByPath([], '0', true)).toEqual([true])
|
||||
expect(setByPath([], '0.0.0', true)).toEqual([[[true]]])
|
||||
expect(setByPath([], '0.1.2', true)).toEqual([[undefined, [undefined, undefined, true]]])
|
||||
})
|
||||
|
||||
test('mixed', () => {
|
||||
expect(setByPath({ items: [] }, 'items.0.name', 'John')).toEqual({ items: [{ name: 'John' }] })
|
||||
expect(setByPath([], '0.name', 'John')).toEqual([{ name: 'John' }])
|
||||
})
|
||||
})
|
||||
|
|
@ -0,0 +1,24 @@
|
|||
function parseKey(key: any) {
|
||||
const asNumber = parseInt(key)
|
||||
const isString = isNaN(asNumber)
|
||||
return [isString ? key : asNumber, isString]
|
||||
}
|
||||
|
||||
export function setByPath(source: object, path: string, value: unknown) {
|
||||
const segments = path.split('.')
|
||||
const last = segments.length - 1
|
||||
let node: any = source
|
||||
for (const [i, segment] of segments.entries()) {
|
||||
const [key, isString] = parseKey(segment)
|
||||
if (Array.isArray(node) && isString) throw new Error(`array require a numeric index`)
|
||||
if (typeof node !== 'object') throw new Error(`could not set path "${segment}" on ${node}.`)
|
||||
if (i === last) {
|
||||
node[key] = value
|
||||
} else {
|
||||
const [_, isNextString] = parseKey(segments[i + 1])
|
||||
if (node[key] === undefined) node[key] = isNextString ? {} : []
|
||||
node = node[key]
|
||||
}
|
||||
}
|
||||
return source
|
||||
}
|
||||
|
|
@ -0,0 +1,3 @@
|
|||
export function wait(seconds: number): Promise<never> {
|
||||
return new Promise((resolve) => setTimeout(resolve, seconds * 1000))
|
||||
}
|
||||
|
|
@ -0,0 +1,8 @@
|
|||
{
|
||||
"extends": "./node_modules/bun-types/tsconfig.json",
|
||||
"compilerOptions": {
|
||||
"strict": true,
|
||||
"noFallthroughCasesInSwitch": true,
|
||||
"noEmit": true
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue