@aws-sdk/credential-provider-node/dist-es/remoteProvider.js

AWS credential provider that sources credentials from a Node.JS environment.

import { chain, CredentialsProviderError } from "@smithy/property-provider";
export const ENV_IMDS_DISABLED = "AWS_EC2_METADATA_DISABLED";
export const remoteProvider = async (init) => {
    const { ENV_CMDS_FULL_URI, ENV_CMDS_RELATIVE_URI, fromContainerMetadata, fromInstanceMetadata } = await import("@smithy/credential-provider-imds");
    if (process.env[ENV_CMDS_RELATIVE_URI] || process.env[ENV_CMDS_FULL_URI]) {
        init.logger?.debug("@aws-sdk/credential-provider-node - remoteProvider::fromHttp/fromContainerMetadata");
        const { fromHttp } = await import("@aws-sdk/credential-provider-http");
        return chain(fromHttp(init), fromContainerMetadata(init));
    }
    if (process.env[ENV_IMDS_DISABLED] && process.env[ENV_IMDS_DISABLED] !== "false") {
        return async () => {
            throw new CredentialsProviderError("EC2 Instance Metadata Service access disabled", { logger: init.logger });
        };
    }
    init.logger?.debug("@aws-sdk/credential-provider-node - remoteProvider::fromInstanceMetadata");
    return fromInstanceMetadata(init);
};