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@pulumi/random

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A Pulumi package to safely use randomness in Pulumi programs.

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import * as pulumi from "@pulumi/pulumi"; /** * The resource `random.RandomId` generates random numbers that are intended to be * used as unique identifiers for other resources. If the output is considered * sensitive, and should not be displayed in the CLI, use `random.RandomBytes` * instead. * * This resource *does* use a cryptographic random number generator in order * to minimize the chance of collisions, making the results of this resource * when a 16-byte identifier is requested of equivalent uniqueness to a * type-4 UUID. * * This resource can be used in conjunction with resources that have * the `createBeforeDestroy` lifecycle flag set to avoid conflicts with * unique names during the brief period where both the old and new resources * exist concurrently. * * ## Example Usage * * ```typescript * import * as pulumi from "@pulumi/pulumi"; * import * as aws from "@pulumi/aws"; * import * as random from "@pulumi/random"; * * // The following example shows how to generate a unique name for an AWS EC2 * // instance that changes each time a new AMI id is selected. * const server = new random.RandomId("server", { * keepers: { * ami_id: amiId, * }, * byteLength: 8, * }); * const serverInstance = new aws.ec2.Instance("server", { * tags: { * Name: pulumi.interpolate`web-server ${server.hex}`, * }, * ami: server.keepers.apply(keepers => keepers?.amiId), * }); * ``` * * ## Import * * Random IDs can be imported using the b64_url with an optional prefix. This * * can be used to replace a config value with a value interpolated from the * * random provider without experiencing diffs. * * Example with no prefix: * * ```sh * $ pulumi import random:index/randomId:RandomId server p-9hUg * ``` * * Example with prefix (prefix is separated by a ,): * * ```sh * $ pulumi import random:index/randomId:RandomId server my-prefix-,p-9hUg * ``` */ export declare class RandomId extends pulumi.CustomResource { /** * Get an existing RandomId resource's state with the given name, ID, and optional extra * properties used to qualify the lookup. * * @param name The _unique_ name of the resulting resource. * @param id The _unique_ provider ID of the resource to lookup. * @param state Any extra arguments used during the lookup. * @param opts Optional settings to control the behavior of the CustomResource. */ static get(name: string, id: pulumi.Input<pulumi.ID>, state?: RandomIdState, opts?: pulumi.CustomResourceOptions): RandomId; /** * Returns true if the given object is an instance of RandomId. This is designed to work even * when multiple copies of the Pulumi SDK have been loaded into the same process. */ static isInstance(obj: any): obj is RandomId; /** * The generated id presented in base64 without additional transformations. */ readonly b64Std: pulumi.Output<string>; /** * The generated id presented in base64, using the URL-friendly character set: case-sensitive letters, digits and the characters `_` and `-`. */ readonly b64Url: pulumi.Output<string>; /** * The number of random bytes to produce. The minimum value is 1, which produces eight bits of randomness. */ readonly byteLength: pulumi.Output<number>; /** * The generated id presented in non-padded decimal digits. */ readonly dec: pulumi.Output<string>; /** * The generated id presented in padded hexadecimal digits. This result will always be twice as long as the requested byte length. */ readonly hex: pulumi.Output<string>; /** * Arbitrary map of values that, when changed, will trigger recreation of resource. See the main provider documentation for more information. */ readonly keepers: pulumi.Output<{ [key: string]: string; } | undefined>; /** * Arbitrary string to prefix the output value with. This string is supplied as-is, meaning it is not guaranteed to be URL-safe or base64 encoded. */ readonly prefix: pulumi.Output<string | undefined>; /** * Create a RandomId resource with the given unique name, arguments, and options. * * @param name The _unique_ name of the resource. * @param args The arguments to use to populate this resource's properties. * @param opts A bag of options that control this resource's behavior. */ constructor(name: string, args: RandomIdArgs, opts?: pulumi.CustomResourceOptions); } /** * Input properties used for looking up and filtering RandomId resources. */ export interface RandomIdState { /** * The generated id presented in base64 without additional transformations. */ b64Std?: pulumi.Input<string>; /** * The generated id presented in base64, using the URL-friendly character set: case-sensitive letters, digits and the characters `_` and `-`. */ b64Url?: pulumi.Input<string>; /** * The number of random bytes to produce. The minimum value is 1, which produces eight bits of randomness. */ byteLength?: pulumi.Input<number>; /** * The generated id presented in non-padded decimal digits. */ dec?: pulumi.Input<string>; /** * The generated id presented in padded hexadecimal digits. This result will always be twice as long as the requested byte length. */ hex?: pulumi.Input<string>; /** * Arbitrary map of values that, when changed, will trigger recreation of resource. See the main provider documentation for more information. */ keepers?: pulumi.Input<{ [key: string]: pulumi.Input<string>; }>; /** * Arbitrary string to prefix the output value with. This string is supplied as-is, meaning it is not guaranteed to be URL-safe or base64 encoded. */ prefix?: pulumi.Input<string>; } /** * The set of arguments for constructing a RandomId resource. */ export interface RandomIdArgs { /** * The number of random bytes to produce. The minimum value is 1, which produces eight bits of randomness. */ byteLength: pulumi.Input<number>; /** * Arbitrary map of values that, when changed, will trigger recreation of resource. See the main provider documentation for more information. */ keepers?: pulumi.Input<{ [key: string]: pulumi.Input<string>; }>; /** * Arbitrary string to prefix the output value with. This string is supplied as-is, meaning it is not guaranteed to be URL-safe or base64 encoded. */ prefix?: pulumi.Input<string>; }