move backend config schemas to where they belong

Signed-off-by: Fredrik Adelöw <freben@gmail.com>
This commit is contained in:
Fredrik Adelöw
2024-08-26 10:35:25 +02:00
parent b8cd4726b3
commit 0b2a402ca6
6 changed files with 284 additions and 304 deletions
+8
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@@ -0,0 +1,8 @@
---
'@backstage/backend-defaults': patch
'@backstage/backend-app-api': patch
'@backstage/backend-common': patch
'@backstage/backend-plugin-api': patch
---
Updates to the config schema to match reality
+7 -292
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@@ -16,297 +16,12 @@
export interface Config {
backend?: {
auth?: {
/**
* This disables the otherwise default auth policy, which requires all
* requests to be authenticated with either user or service credentials.
*
* Disabling this check means that the backend will no longer block
* unauthenticated requests, but instead allow them to pass through to
* plugins.
*
* If permissions are enabled, unauthenticated requests will be treated
* exactly as such, leaving it to the permission policy to determine what
* permissions should be allowed for an unauthenticated identity. Note
* that this will also apply to service-to-service calls between plugins
* unless you configure credentials for service calls.
*/
dangerouslyDisableDefaultAuthPolicy?: boolean;
/** Controls how to store keys for plugin-to-plugin auth */
pluginKeyStore?:
| { type: 'database' }
| {
type: 'static';
static: {
/**
* Must be declared at least once and the first one will be used for signing.
*/
keys: Array<{
/**
* Path to the public key file in the SPKI format. Should be an absolute path.
*/
publicKeyFile: string;
/**
* Path to the matching private key file in the PKCS#8 format. Should be an absolute path.
*
* The first array entry must specify a private key file, the rest must not.
*/
privateKeyFile?: string;
/**
* ID to uniquely identify this key within the JWK set.
*/
keyId: string;
/**
* JWS "alg" (Algorithm) Header Parameter value. Defaults to ES256.
* Must match the algorithm used to generate the keys in the provided files
*/
algorithm?: string;
}>;
};
};
/**
* Configures methods of external access, ie ways for callers outside of
* the Backstage ecosystem to get authorized for access to APIs that do
* not permit unauthorized access.
*/
externalAccess?: Array<
| {
/**
* This is the legacy service-to-service access method, where a set
* of static keys were shared among plugins and used for symmetric
* signing and verification. These correspond to the old
* `backend.auth.keys` set and retain their behavior for backwards
* compatibility. Please migrate to other access methods when
* possible.
*
* Callers generate JWT tokens with the following payload:
*
* ```json
* {
* "sub": "backstage-plugin",
* "exp": <epoch seconds one hour in the future>
* }
* ```
*
* And sign them with HS256, using the base64 decoded secret. The
* tokens are then passed along with requests in the Authorization
* header:
*
* ```
* Authorization: Bearer eyJhbGciOiJIUzI...
* ```
*/
type: 'legacy';
options: {
/**
* Any set of base64 encoded random bytes to be used as both the
* signing and verification key. Should be sufficiently long so as
* not to be easy to guess by brute force.
*
* Can be generated eg using
*
* ```sh
* node -p 'require("crypto").randomBytes(24).toString("base64")'
* ```
*
* @visibility secret
*/
secret: string;
/**
* Sets the subject of the principal, when matching this token.
* Useful for debugging and tracking purposes.
*/
subject: string;
};
/**
* Restricts what types of access that are permitted for this access
* method. If no access restrictions are given, it'll have unlimited
* access. This access restriction applies for the framework level;
* individual plugins may have their own access control mechanisms
* on top of this.
*/
accessRestrictions?: Array<{
/**
* Permit access to make requests to this plugin.
*
* Can be further refined by setting additional fields below.
*/
plugin: string;
/**
* If given, this method is limited to only performing actions
* with these named permissions in this plugin.
*
* Note that this only applies where permissions checks are
* enabled in the first place. Endpoints that are not protected by
* the permissions system at all, are not affected by this
* setting.
*/
permission?: string | Array<string>;
/**
* If given, this method is limited to only performing actions
* whose permissions have these attributes.
*
* Note that this only applies where permissions checks are
* enabled in the first place. Endpoints that are not protected by
* the permissions system at all, are not affected by this
* setting.
*/
permissionAttribute?: {
/**
* One of more of 'create', 'read', 'update', or 'delete'.
*/
action?: string | Array<string>;
};
}>;
}
| {
/**
* This access method consists of random static tokens that can be
* handed out to callers.
*
* The tokens are then passed along verbatim with requests in the
* Authorization header:
*
* ```
* Authorization: Bearer eZv5o+fW3KnR3kVabMW4ZcDNLPl8nmMW
* ```
*/
type: 'static';
options: {
/**
* A raw token that can be any string, but for security reasons
* should be sufficiently long so as not to be easy to guess by
* brute force.
*
* Can be generated eg using
*
* ```sh
* node -p 'require("crypto").randomBytes(24).toString("base64")'
* ```
*
* Since the tokens can be any string, you are free to add
* additional identifying data to them if you like. For example,
* adding a `freben-local-dev-` prefix for debugging purposes to a
* token that you know will be handed out for use as a personal
* access token during development.
*
* @visibility secret
*/
token: string;
/**
* Sets the subject of the principal, when matching this token.
* Useful for debugging and tracking purposes.
*/
subject: string;
};
/**
* Restricts what types of access that are permitted for this access
* method. If no access restrictions are given, it'll have unlimited
* access. This access restriction applies for the framework level;
* individual plugins may have their own access control mechanisms
* on top of this.
*/
accessRestrictions?: Array<{
/**
* Permit access to make requests to this plugin.
*
* Can be further refined by setting additional fields below.
*/
plugin: string;
/**
* If given, this method is limited to only performing actions
* with these named permissions in this plugin.
*
* Note that this only applies where permissions checks are
* enabled in the first place. Endpoints that are not protected by
* the permissions system at all, are not affected by this
* setting.
*/
permission?: string | Array<string>;
/**
* If given, this method is limited to only performing actions
* whose permissions have these attributes.
*
* Note that this only applies where permissions checks are
* enabled in the first place. Endpoints that are not protected by
* the permissions system at all, are not affected by this
* setting.
*/
permissionAttribute?: {
/**
* One of more of 'create', 'read', 'update', or 'delete'.
*/
action?: string | Array<string>;
};
}>;
}
| {
/**
* This access method consists of a JWKS endpoint that can be used to
* verify JWT tokens.
*
* Callers generate JWT tokens via 3rd party tooling
* and pass them in the Authorization header:
*
* ```
* Authorization: Bearer eZv5o+fW3KnR3kVabMW4ZcDNLPl8nmMW
* ```
*/
type: 'jwks';
options: {
/**
* The full URL of the JWKS endpoint.
*/
url: string;
/**
* Sets the algorithm(s) that should be used to verify the JWT tokens.
* The passed JWTs must have been signed using one of the listed algorithms.
*/
algorithm?: string | string[];
/**
* Sets the issuer(s) that should be used to verify the JWT tokens.
* Passed JWTs must have an `iss` claim which matches one of the specified issuers.
*/
issuer?: string | string[];
/**
* Sets the audience(s) that should be used to verify the JWT tokens.
* The passed JWTs must have an "aud" claim that matches one of the audiences specified,
* or have no audience specified.
*/
audience?: string | string[];
/**
* Sets an optional subject prefix. Passes the subject to called plugins.
* Useful for debugging and tracking purposes.
*/
subjectPrefix?: string;
};
}
>;
};
packages?: 'all' | { include?: string[]; exclude?: string[] };
};
/** Discovery options. */
discovery?: {
/**
* Endpoints
*
* A list of target baseUrls and the associated plugins.
*/
endpoints: {
/**
* The target baseUrl to use for the plugin
*
* Can be either a string or an object with internal and external keys.
* Targets with `{{pluginId}}` or `{{ pluginId }} in the url will be replaced with the pluginId.
*/
target: string | { internal: string; external: string };
/** Array of plugins which use the target baseUrl. */
plugins: string[];
}[];
/** Used by the feature discovery service */
packages?:
| 'all'
| {
include?: string[];
exclude?: string[];
};
};
}
+13 -10
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@@ -210,6 +210,9 @@ export interface Config {
defaultTtl?: number | HumanDuration;
};
/**
* Properties returned upon CORS requests to the backend, including the app-backend.
*/
cors?: {
origin?: string | string[];
methods?: string | string[];
@@ -221,6 +224,16 @@ export interface Config {
optionsSuccessStatus?: number;
};
/**
* Content Security Policy options.
*
* The keys are the plain policy ID, e.g. "upgrade-insecure-requests". The
* values are on the format that the helmet library expects them, as an
* array of strings. There is also the special value false, which means to
* remove the default value that Backstage puts in place for that policy.
*/
csp?: { [policyId: string]: string[] | false };
/**
* Configuration related to URL reading, used for example for reading catalog info
* files, scaffolder templates, and techdocs content.
@@ -248,15 +261,5 @@ export interface Config {
paths?: string[];
}>;
};
/**
* Content Security Policy options.
*
* The keys are the plain policy ID, e.g. "upgrade-insecure-requests". The
* values are on the format that the helmet library expects them, as an
* array of strings. There is also the special value false, which means to
* remove the default value that Backstage puts in place for that policy.
*/
csp?: { [policyId: string]: string[] | false };
};
}
+217
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@@ -14,8 +14,51 @@
* limitations under the License.
*/
import { HumanDuration } from '@backstage/types';
export interface Config {
app: {
baseUrl: string; // defined in core, but repeated here without doc
};
backend?: {
/**
* The full base URL of the backend, as seen from the browser's point of
* view as it makes calls to the backend.
*/
baseUrl: string;
/** Address that the backend should listen to. */
listen?:
| string
| {
/** Address of the interface that the backend should bind to. */
host?: string;
/** Port that the backend should listen to. */
port?: string | number;
};
/**
* HTTPS configuration for the backend. If omitted the backend will serve HTTP.
*
* Setting this to `true` will cause self-signed certificates to be generated, which
* can be useful for local development or other non-production scenarios.
*/
https?:
| true
| {
/** Certificate configuration */
certificate?: {
/** PEM encoded certificate. Use $file to load in a file */
cert: string;
/**
* PEM encoded certificate key. Use $file to load in a file.
* @visibility secret
*/
key: string;
};
};
/**
* Options used by the default auth, httpAuth and userInfo services.
*/
@@ -353,4 +396,178 @@ export interface Config {
plugins: string[];
}>;
};
/** Database connection configuration, select base database type using the `client` field */
database: {
/** Default database client to use */
client: 'better-sqlite3' | 'sqlite3' | 'pg';
/**
* Base database connection string, or object with individual connection properties
* @visibility secret
*/
connection:
| string
| {
/**
* Password that belongs to the client User
* @visibility secret
*/
password?: string;
/**
* Other connection settings
*/
[key: string]: unknown;
};
/** Database name prefix override */
prefix?: string;
/**
* Whether to ensure the given database exists by creating it if it does not.
* Defaults to true if unspecified.
*/
ensureExists?: boolean;
/**
* Whether to ensure the given database schema exists by creating it if it does not.
* Defaults to false if unspecified.
*
* NOTE: Currently only supported by the `pg` client when pluginDivisionMode: schema
*/
ensureSchemaExists?: boolean;
/**
* How plugins databases are managed/divided in the provided database instance.
*
* `database` -> Plugins are each given their own database to manage their schemas/tables.
*
* `schema` -> Plugins will be given their own schema (in the specified/default database)
* to manage their tables.
*
* NOTE: Currently only supported by the `pg` client.
*
* @default database
*/
pluginDivisionMode?: 'database' | 'schema';
/** Configures the ownership of newly created schemas in pg databases. */
role?: string;
/**
* Arbitrary config object to pass to knex when initializing
* (https://knexjs.org/#Installation-client). Most notable is the debug
* and asyncStackTraces booleans
*/
knexConfig?: object;
/** Plugin specific database configuration and client override */
plugin?: {
[pluginId: string]: {
/** Database client override */
client?: 'better-sqlite3' | 'sqlite3' | 'pg';
/**
* Database connection string or Knex object override
* @visibility secret
*/
connection?: string | object;
/**
* Whether to ensure the given database exists by creating it if it does not.
* Defaults to base config if unspecified.
*/
ensureExists?: boolean;
/**
* Whether to ensure the given database schema exists by creating it if it does not.
* Defaults to false if unspecified.
*
* NOTE: Currently only supported by the `pg` client when pluginDivisionMode: schema
*/
ensureSchemaExists?: boolean;
/**
* Arbitrary config object to pass to knex when initializing
* (https://knexjs.org/#Installation-client). Most notable is the
* debug and asyncStackTraces booleans.
*
* This is merged recursively into the base knexConfig
*/
knexConfig?: object;
/** Configures the ownership of newly created schemas in pg databases. */
role?: string;
};
};
};
/** Cache connection configuration, select cache type using the `store` field */
cache?:
| {
store: 'memory';
/** An optional default TTL (in milliseconds). */
defaultTtl?: number | HumanDuration;
}
| {
store: 'redis';
/**
* A redis connection string in the form `redis://user:pass@host:port`.
* @visibility secret
*/
connection: string;
/** An optional default TTL (in milliseconds). */
defaultTtl?: number | HumanDuration;
/**
* Whether or not [useRedisSets](https://github.com/jaredwray/keyv/tree/main/packages/redis#useredissets) should be configured to this redis cache.
* Defaults to true if unspecified.
*/
useRedisSets?: boolean;
}
| {
store: 'memcache';
/**
* A memcache connection string in the form `user:pass@host:port`.
* @visibility secret
*/
connection: string;
/** An optional default TTL (in milliseconds). */
defaultTtl?: number | HumanDuration;
};
cors?: {
origin?: string | string[];
methods?: string | string[];
allowedHeaders?: string | string[];
exposedHeaders?: string | string[];
credentials?: boolean;
maxAge?: number;
preflightContinue?: boolean;
optionsSuccessStatus?: number;
};
/**
* Content Security Policy options.
*
* The keys are the plain policy ID, e.g. "upgrade-insecure-requests". The
* values are on the format that the helmet library expects them, as an
* array of strings. There is also the special value false, which means to
* remove the default value that Backstage puts in place for that policy.
*/
csp?: { [policyId: string]: string[] | false };
/**
* Configuration related to URL reading, used for example for reading catalog info
* files, scaffolder templates, and techdocs content.
*/
reading?: {
/**
* A list of targets to allow outgoing requests to. Users will be able to make
* requests on behalf of the backend to the targets that are allowed by this list.
*/
allow?: Array<{
/**
* A host to allow outgoing requests to, being either a full host or
* a subdomain wildcard pattern with a leading `*`. For example `example.com`
* and `*.example.com` are valid values, `prod.*.example.com` is not.
* The host may also contain a port, for example `example.com:8080`.
*/
host: string;
/**
* An optional list of paths. In case they are present only targets matching
* any of them will are allowed. You can use trailing slashes to make sure only
* subdirectories are allowed, for example `/mydir/` will allow targets with
* paths like `/mydir/a` but will block paths like `/mydir2`.
*/
paths?: string[];
}>;
};
}
+35
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@@ -0,0 +1,35 @@
/*
* Copyright 2024 The Backstage Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
export interface Config {
backend?: {
/**
* An absolute path to a directory that can be used as a working dir, for
* example as scratch space for large operations.
*
* @remarks
*
* Note that this must be an absolute path.
*
* If not set, the operating system's designated temporary directory is
* commonly used, but that is implementation defined per plugin.
*
* Plugins are encouraged to heed this config setting if present, to allow
* deployment in severely locked-down or limited environments.
*/
workingDirectory?: string;
};
}
+4 -2
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@@ -40,7 +40,8 @@
}
},
"files": [
"dist"
"dist",
"config.d.ts"
],
"scripts": {
"build": "backstage-cli package build",
@@ -67,5 +68,6 @@
"devDependencies": {
"@backstage/backend-test-utils": "workspace:^",
"@backstage/cli": "workspace:^"
}
},
"configSchema": "config.d.ts"
}