serverless/lib/classes/service.js
2024-06-14 12:31:22 -04:00

351 lines
11 KiB
JavaScript

import ServerlessError from '../serverless-error.js'
import util from 'util'
import _ from 'lodash'
import semver from 'semver'
import utils from '@serverlessinc/sf-core/src/utils.js'
const { log } = utils
class Service {
constructor(serverless, data) {
// #######################################################################
// ## KEEP SYNCHRONIZED WITH EQUIVALENT IN ~/lib/plugins/print/print.js ##
// #######################################################################
this.serverless = serverless
// Default properties
this.service = null
this.serviceObject = null
this.provider = {
stage: 'dev',
}
this.custom = {}
this.plugins = []
this.pluginsData = {}
this.functions = {}
this.resources = {}
this.package = {}
this.configValidationMode = 'warn'
this.disabledDeprecations = []
if (data) this.update(data)
}
async load(rawOptions) {
const options = rawOptions || {}
if (!options.stage && options.s) options.stage = options.s
if (!options.region && options.r) options.region = options.r
const serviceDir = this.serverless.serviceDir
// skip if the service path is not found
// because the user might be creating a new service
if (!serviceDir) return
this.loadServiceFileParam()
}
loadServiceFileParam() {
// Not used internally, left set to not break plugins which depend on it
// TOOD: Remove with next major
this.serviceFilename = this.serverless.configurationFilename
const configurationInput = this.serverless.configurationInput
this.initialServerlessConfig = configurationInput
// TODO: Ideally below approach should be replaced at some point with:
// 1. In "initialization" phase: Minimize reliance on service configuration
// to few core properties
// 2. Before "run" phase: Validate and normalize (via AJV) `serverless.configurationInput`
// into `serverless.configuration`
// 3. In "run" phase: Instead of relying on `serverless.service` rely on
// `serverless.configuration` internally
// Below comments provide usage feedback helfpul for future refactor process.
// ## Properties currently accessed at "initialization" phase
this.disabledDeprecations = configurationInput.disabledDeprecations
this.deprecationNotificationMode =
configurationInput.deprecationNotificationMode
if (!_.isObject(configurationInput.provider)) {
const providerName = configurationInput.provider
this.provider = {
name: providerName,
}
} else {
this.provider = configurationInput.provider
}
if (this.provider.stage == null) {
this.provider.stage = 'dev'
}
if (_.isObject(configurationInput.service)) {
throw new ServerlessError(
'Object notation for "service" property is not supported. Set "service" property directly with service name.',
'SERVICE_OBJECT_NOTATION',
)
} else {
this.serviceObject = { name: configurationInput.service }
this.service = configurationInput.service
}
this.app = configurationInput.app
this.appId = configurationInput.appId || null
this.org = configurationInput.org
this.orgId = configurationInput.orgId || null
this.plugins = configurationInput.plugins
this.build = configurationInput.build
// `package.path` is read by few core plugins at initialization
if (configurationInput.package) {
this.package = configurationInput.package
}
// ## Properties accessed at "run" phase
this.custom = configurationInput.custom
this.resources = configurationInput.resources
this.functions = configurationInput.functions || {}
this.configValidationMode =
configurationInput.configValidationMode || 'warn'
if (this.provider.name === 'aws') {
this.layers = configurationInput.layers || {}
}
this.outputs = configurationInput.outputs
// basic service level validation
const version = this.serverless.utils.getVersion()
let ymlVersion = configurationInput.frameworkVersion
if (ymlVersion && !semver.validRange(ymlVersion)) {
if (configurationInput.configValidationMode === 'error') {
throw new ServerlessError(
'Configured "frameworkVersion" does not represent a valid semver version range.',
'INVALID_FRAMEWORK_VERSION',
)
}
log.warning(
'Configured "frameworkVersion" does not represent a valid semver version range, version validation is skipped',
)
ymlVersion = null
}
if (
ymlVersion &&
version &&
version !== ymlVersion &&
semver.coerce(version).major !== semver.coerce(ymlVersion).major
) {
const errorMessage = [
`The Serverless version (${version}) does not satisfy the`,
` "frameworkVersion" (${ymlVersion}) in ${this.serverless.configurationFilename}`,
].join('')
throw new ServerlessError(errorMessage, 'FRAMEWORK_VERSION_MISMATCH')
}
if (!configurationInput.service) {
throw new ServerlessError(
`"service" property is missing in ${this.serverless.configurationFilename}`,
'SERVICE_NAME_MISSING',
)
}
if (!configurationInput.provider) {
throw new ServerlessError(
`"provider" property is missing in ${this.serverless.configurationFilename}`,
'PROVIDER_NAME_MISSING',
)
}
if (!_.isObject(configurationInput.provider)) {
// Schema uncoditionally expects `provider` to be an object.
// Ideally if it's fixed at some point, and either we do not support string notation for
// provider, or we support string by schema
configurationInput.provider = this.provider
}
return this
}
/**
* Reloads the Service from the initial serverless configuration.
* This method is responsible for setting the provider, package, custom, resources,
* functions, config validation mode, layers (if the provider is AWS), and outputs
* based on the initial serverless configuration. If no stage is specified for the
* provider, it defaults to 'dev'. If no functions or layers are specified, they
* default to empty objects.
*
* @throws {Error} If there's an error in loading the service file parameters.
*/
reloadServiceFileParam() {
const configurationInput = this.initialServerlessConfig
if (_.isObject(configurationInput.provider)) {
this.provider = configurationInput.provider
if (this.provider.stage == null) this.provider.stage = 'dev'
}
if (configurationInput.package) {
this.package = configurationInput.package
}
this.custom = configurationInput.custom
this.resources = configurationInput.resources
this.functions = configurationInput.functions || {}
this.configValidationMode =
configurationInput.configValidationMode || 'warn'
this.layers = configurationInput.layers || {}
this.outputs = configurationInput.outputs
}
setFunctionNames(rawOptions) {
const options = rawOptions || {}
options.stage = options.stage || options.s
options.region = options.region || options.r
// Ensure that function is an object and setup function.name property
const stageNameForFunction = options.stage || this.provider.stage
if (!_.isObject(this.functions)) {
throw new ServerlessError(
`Unexpected "functions" configuration: Expected object received: ${util.inspect(
this.functions,
)}`,
'NON_OBJECT_FUNCTIONS_CONFIGURATION',
)
}
Object.entries(this.functions).forEach(([functionName, functionObj]) => {
if (functionObj == null) {
delete this.functions[functionName]
return
}
if (!_.isObject(functionObj)) {
throw new ServerlessError(
`Unexpected "${functionName}" function configuration: Expected object received ${util.inspect(
functionObj,
)})`,
'NON_OBJECT_FUNCTION_CONFIGURATION_ERROR',
)
}
if (!functionObj.events) {
this.functions[functionName].events = []
}
if (!functionObj.name) {
this.functions[functionName].name =
`${this.service}-${stageNameForFunction}-${functionName}`
}
})
}
mergeArrays() {
;['resources', 'functions'].forEach((key) => {
if (Array.isArray(this[key])) {
this[key] = this[key].reduce((memo, value) => {
if (value) {
if (typeof value === 'object') {
return _.merge(memo, value)
}
throw new ServerlessError(
`Non-object value specified in ${key} array: ${value}`,
'LEGACY_CONFIGURATION_PROPERTY_MERGE_INVALID_INPUT',
)
}
return memo
}, {})
}
})
}
async validate() {
const userConfig = this.initialServerlessConfig
// Ensure to validate normalized (after mergeArrays) input
if (userConfig.functions) userConfig.functions = this.functions
if (userConfig.resources) userConfig.resources = this.resources
await this.serverless.configSchemaHandler.validateConfig(userConfig)
if (userConfig.projectDir != null) {
this.serverless._logDeprecation(
'PROJECT_DIR',
'The "projectDir" option is no longer used and is ignored. ' +
'You can safely remove it from the configuration',
)
}
if (userConfig.console != null) {
this.serverless._logDeprecation(
'CONSOLE_CONFIGURATION',
'Starting with v3.24.0, the "console" option is no longer recognized. ' +
'Please remove it from the configuration',
)
}
return this
}
update(data) {
return _.merge(this, data)
}
getServiceName() {
return this.serviceObject.name
}
getServiceObject() {
return this.serviceObject
}
getAllFunctions() {
return Object.keys(this.functions)
}
getAllLayers() {
return this.layers ? Object.keys(this.layers) : []
}
getAllFunctionsNames() {
return this.getAllFunctions().map((func) => this.getFunction(func).name)
}
getFunction(functionName) {
if (functionName in this.functions) {
return this.functions[functionName]
}
throw new ServerlessError(
`Function "${functionName}" doesn't exist in this Service`,
'FUNCTION_MISSING_IN_SERVICE',
)
}
getLayer(layerName) {
if (layerName in this.layers) {
return this.layers[layerName]
}
throw new ServerlessError(
`Layer "${layerName}" doesn't exist in this Service`,
'LAYER_MISSING_IN_SERVICE',
)
}
getEventInFunction(eventName, functionName) {
const event = this.getFunction(functionName).events.find(
(e) => Object.keys(e)[0] === eventName,
)
if (event) {
return event
}
throw new ServerlessError(
`Event "${eventName}" doesn't exist in function "${functionName}"`,
'EVENT_MISSING_FOR_FUNCTION',
)
}
getAllEventsInFunction(functionName) {
return this.getFunction(functionName).events
}
publish(dataParam) {
const data = dataParam || {}
this.pluginsData = _.merge(this.pluginsData, data)
}
}
export default Service