@aws-cdk/aws-lambda-go-alpha
Version:
The CDK Construct Library for AWS Lambda in Golang
157 lines • 24.4 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.Bundling = void 0;
const os = require("os");
const path = require("path");
const aws_lambda_1 = require("aws-cdk-lib/aws-lambda");
const cdk = require("aws-cdk-lib/core");
const util_1 = require("./util");
/**
* Bundling
*/
class Bundling {
props;
static bundle(options) {
const bundling = new Bundling(options);
return aws_lambda_1.Code.fromAsset(path.dirname(options.moduleDir), {
assetHashType: options.assetHashType ?? cdk.AssetHashType.OUTPUT,
assetHash: options.assetHash,
bundling: {
image: bundling.image,
command: bundling.command,
environment: bundling.environment,
local: bundling.local,
entrypoint: bundling.entrypoint,
volumes: bundling.volumes,
volumesFrom: bundling.volumesFrom,
workingDirectory: bundling.workingDirectory,
user: bundling.user,
securityOpt: bundling.securityOpt,
network: bundling.network,
bundlingFileAccess: bundling.bundlingFileAccess,
},
});
}
static clearRunsLocallyCache() {
this.runsLocally = undefined;
}
static runsLocally;
// Core bundling options
image;
command;
environment;
local;
entrypoint;
volumes;
volumesFrom;
workingDirectory;
user;
securityOpt;
network;
bundlingFileAccess;
relativeEntryPath;
constructor(props) {
this.props = props;
Bundling.runsLocally = Bundling.runsLocally
?? (0, util_1.getGoBuildVersion)()
?? false;
const projectRoot = path.dirname(props.moduleDir);
this.relativeEntryPath = `./${path.relative(projectRoot, path.resolve(props.entry))}`;
const cgoEnabled = props.cgoEnabled ? '1' : '0';
const environment = {
CGO_ENABLED: cgoEnabled,
GO111MODULE: 'on',
GOARCH: props.architecture.dockerPlatform.split('/')[1],
GOOS: 'linux',
...props.environment,
};
if (props.goProxies) {
environment.GOPROXY = props.goProxies.join(',');
}
// Docker bundling
const shouldBuildImage = props.forcedDockerBundling || !Bundling.runsLocally;
this.image = shouldBuildImage
? props.dockerImage ?? cdk.DockerImage.fromBuild(path.join(__dirname, '..', 'lib'), {
buildArgs: {
...props.buildArgs ?? {},
IMAGE: aws_lambda_1.Runtime.GO_1_X.bundlingImage.image, // always use the GO_1_X build image
},
platform: props.architecture.dockerPlatform,
network: props.network,
})
: cdk.DockerImage.fromRegistry('dummy'); // Do not build if we don't need to
const bundlingCommand = this.createBundlingCommand(cdk.AssetStaging.BUNDLING_INPUT_DIR, cdk.AssetStaging.BUNDLING_OUTPUT_DIR);
this.command = props.command ?? ['bash', '-c', bundlingCommand];
this.environment = environment;
this.entrypoint = props.entrypoint;
this.volumes = props.volumes;
this.volumesFrom = props.volumesFrom;
this.workingDirectory = props.workingDirectory;
this.user = props.user;
this.securityOpt = props.securityOpt;
this.network = props.network;
this.bundlingFileAccess = props.bundlingFileAccess;
// Local bundling
if (!props.forcedDockerBundling) { // only if Docker is not forced
const osPlatform = os.platform();
const createLocalCommand = (outputDir) => this.createBundlingCommand(projectRoot, outputDir, osPlatform);
this.local = {
tryBundle(outputDir) {
if (Bundling.runsLocally == false) {
process.stderr.write('go build cannot run locally. Switching to Docker bundling.\n');
return false;
}
const localCommand = createLocalCommand(outputDir);
(0, util_1.exec)(osPlatform === 'win32' ? 'cmd' : 'bash', [
osPlatform === 'win32' ? '/c' : '-c',
localCommand,
], {
env: { ...process.env, ...environment ?? {} },
stdio: [
'ignore', // ignore stdio
process.stderr, // redirect stdout to stderr
'inherit', // inherit stderr
],
cwd: path.dirname(props.moduleDir),
windowsVerbatimArguments: osPlatform === 'win32',
});
return true;
},
};
}
}
createBundlingCommand(inputDir, outputDir, osPlatform = 'linux') {
const pathJoin = osPathJoin(osPlatform);
const hasVendor = (0, util_1.findUp)('vendor', path.dirname(this.props.entry));
const goBuildCommand = [
'go', 'build',
hasVendor ? '-mod=vendor' : '',
'-o', `"${pathJoin(outputDir, 'bootstrap')}"`,
`${this.props.goBuildFlags ? this.props.goBuildFlags.join(' ') : ''}`,
`${this.relativeEntryPath.replace(/\\/g, '/')}`,
].filter(c => !!c).join(' ');
return chain([
...this.props.commandHooks?.beforeBundling(inputDir, outputDir) ?? [],
goBuildCommand,
...this.props.commandHooks?.afterBundling(inputDir, outputDir) ?? [],
]);
}
}
exports.Bundling = Bundling;
/**
* Platform specific path join
*/
function osPathJoin(platform) {
return function (...paths) {
const joined = path.join(...paths);
// If we are on win32 but need posix style paths
if (os.platform() === 'win32' && platform !== 'win32') {
return joined.replace(/\\/g, '/');
}
return joined;
};
}
function chain(commands) {
return commands.filter(c => !!c).join(' && ');
}
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* as os from 'os';\nimport * as path from 'path';\nimport { Architecture, AssetCode, Code, Runtime } from 'aws-cdk-lib/aws-lambda';\nimport * as cdk from 'aws-cdk-lib/core';\nimport { BundlingOptions } from './types';\nimport { exec, findUp, getGoBuildVersion } from './util';\n\n/**\n * Options for bundling\n */\nexport interface BundlingProps extends BundlingOptions {\n  /**\n   * Directory containing your go.mod file\n   *\n   * This will accept either a directory path containing a `go.mod` file\n   * or a filepath to your `go.mod` file (i.e. `path/to/go.mod`).\n   *\n   * This will be used as the source of the volume mounted in the Docker\n   * container and will be the directory where it will run `go build` from.\n   *\n   * @default - the path is found by walking up parent directories searching for\n   *  a `go.mod` file from the location of `entry`\n   */\n  readonly moduleDir: string;\n\n  /**\n   * The path to the folder or file that contains the main application entry point files for the project.\n   *\n   * This accepts either a path to a directory or file.\n   *\n   * If a directory path is provided then it will assume there is a Go entry file (i.e. `main.go`) and\n   * will construct the build command using the directory path.\n   *\n   * For example, if you provide the entry as:\n   *\n   *     entry: 'my-lambda-app/cmd/api'\n   *\n   * Then the `go build` command would be:\n   *\n   *     `go build ./cmd/api`\n   *\n   * If a path to a file is provided then it will use the filepath in the build command.\n   *\n   * For example, if you provide the entry as:\n   *\n   *     entry: 'my-lambda-app/cmd/api/main.go'\n   *\n   * Then the `go build` command would be:\n   *\n   *     `go build ./cmd/api/main.go`\n   */\n  readonly entry: string;\n\n  /**\n   * The runtime of the lambda function\n   */\n  readonly runtime: Runtime;\n\n  /**\n   * The system architecture of the lambda function\n   */\n  readonly architecture: Architecture;\n\n  /**\n   * Which option to use to copy the source files to the docker container and output files back\n   * @default - BundlingFileAccess.BIND_MOUNT\n   */\n  readonly bundlingFileAccess?: cdk.BundlingFileAccess;\n}\n\n/**\n * Bundling\n */\nexport class Bundling implements cdk.BundlingOptions {\n  public static bundle(options: BundlingProps): AssetCode {\n    const bundling = new Bundling(options);\n\n    return Code.fromAsset(path.dirname(options.moduleDir), {\n      assetHashType: options.assetHashType ?? cdk.AssetHashType.OUTPUT,\n      assetHash: options.assetHash,\n      bundling: {\n        image: bundling.image,\n        command: bundling.command,\n        environment: bundling.environment,\n        local: bundling.local,\n        entrypoint: bundling.entrypoint,\n        volumes: bundling.volumes,\n        volumesFrom: bundling.volumesFrom,\n        workingDirectory: bundling.workingDirectory,\n        user: bundling.user,\n        securityOpt: bundling.securityOpt,\n        network: bundling.network,\n        bundlingFileAccess: bundling.bundlingFileAccess,\n      },\n    });\n  }\n\n  public static clearRunsLocallyCache(): void { // for tests\n    this.runsLocally = undefined;\n  }\n\n  private static runsLocally?: boolean;\n\n  // Core bundling options\n  public readonly image: cdk.DockerImage;\n  public readonly command: string[];\n  public readonly environment?: { [key: string]: string };\n  public readonly local?: cdk.ILocalBundling;\n  public readonly entrypoint?: string[];\n  public readonly volumes?: cdk.DockerVolume[];\n  public readonly volumesFrom?: string[];\n  public readonly workingDirectory?: string;\n  public readonly user?: string;\n  public readonly securityOpt?: string;\n  public readonly network?: string;\n  public readonly bundlingFileAccess?: cdk.BundlingFileAccess;\n\n  private readonly relativeEntryPath: string;\n\n  constructor(private readonly props: BundlingProps) {\n    Bundling.runsLocally = Bundling.runsLocally\n      ?? getGoBuildVersion()\n      ?? false;\n\n    const projectRoot = path.dirname(props.moduleDir);\n    this.relativeEntryPath = `./${path.relative(projectRoot, path.resolve(props.entry))}`;\n\n    const cgoEnabled = props.cgoEnabled ? '1' : '0';\n\n    const environment: Record<string, string> = {\n      CGO_ENABLED: cgoEnabled,\n      GO111MODULE: 'on',\n      GOARCH: props.architecture.dockerPlatform.split('/')[1],\n      GOOS: 'linux',\n      ...props.environment,\n    };\n\n    if (props.goProxies) {\n      environment.GOPROXY = props.goProxies.join(',');\n    }\n\n    // Docker bundling\n    const shouldBuildImage = props.forcedDockerBundling || !Bundling.runsLocally;\n    this.image = shouldBuildImage\n      ? props.dockerImage ?? cdk.DockerImage.fromBuild(path.join(__dirname, '..', 'lib'), {\n        buildArgs: {\n          ...props.buildArgs ?? {},\n          IMAGE: Runtime.GO_1_X.bundlingImage.image, // always use the GO_1_X build image\n        },\n        platform: props.architecture.dockerPlatform,\n        network: props.network,\n      })\n      : cdk.DockerImage.fromRegistry('dummy'); // Do not build if we don't need to\n\n    const bundlingCommand = this.createBundlingCommand(cdk.AssetStaging.BUNDLING_INPUT_DIR, cdk.AssetStaging.BUNDLING_OUTPUT_DIR);\n    this.command = props.command ?? ['bash', '-c', bundlingCommand];\n    this.environment = environment;\n    this.entrypoint = props.entrypoint;\n    this.volumes = props.volumes;\n    this.volumesFrom = props.volumesFrom;\n    this.workingDirectory = props.workingDirectory;\n    this.user = props.user;\n    this.securityOpt = props.securityOpt;\n    this.network = props.network;\n    this.bundlingFileAccess = props.bundlingFileAccess;\n\n    // Local bundling\n    if (!props.forcedDockerBundling) { // only if Docker is not forced\n      const osPlatform = os.platform();\n      const createLocalCommand = (outputDir: string) => this.createBundlingCommand(projectRoot, outputDir, osPlatform);\n\n      this.local = {\n        tryBundle(outputDir: string) {\n          if (Bundling.runsLocally == false) {\n            process.stderr.write('go build cannot run locally. Switching to Docker bundling.\\n');\n            return false;\n          }\n\n          const localCommand = createLocalCommand(outputDir);\n          exec(\n            osPlatform === 'win32' ? 'cmd' : 'bash',\n            [\n              osPlatform === 'win32' ? '/c' : '-c',\n              localCommand,\n            ],\n            {\n              env: { ...process.env, ...environment ?? {} },\n              stdio: [ // show output\n                'ignore', // ignore stdio\n                process.stderr, // redirect stdout to stderr\n                'inherit', // inherit stderr\n              ],\n              cwd: path.dirname(props.moduleDir),\n              windowsVerbatimArguments: osPlatform === 'win32',\n            },\n          );\n          return true;\n        },\n      };\n    }\n  }\n\n  public createBundlingCommand(inputDir: string, outputDir: string, osPlatform: NodeJS.Platform = 'linux'): string {\n    const pathJoin = osPathJoin(osPlatform);\n\n    const hasVendor = findUp('vendor', path.dirname(this.props.entry));\n\n    const goBuildCommand: string = [\n      'go', 'build',\n      hasVendor ? '-mod=vendor': '',\n      '-o', `\"${pathJoin(outputDir, 'bootstrap')}\"`,\n      `${this.props.goBuildFlags ? this.props.goBuildFlags.join(' ') : ''}`,\n      `${this.relativeEntryPath.replace(/\\\\/g, '/')}`,\n    ].filter(c => !!c).join(' ');\n\n    return chain([\n      ...this.props.commandHooks?.beforeBundling(inputDir, outputDir) ?? [],\n      goBuildCommand,\n      ...this.props.commandHooks?.afterBundling(inputDir, outputDir) ?? [],\n    ]);\n  }\n}\n\n/**\n * Platform specific path join\n */\nfunction osPathJoin(platform: NodeJS.Platform) {\n  return function(...paths: string[]): string {\n    const joined = path.join(...paths);\n    // If we are on win32 but need posix style paths\n    if (os.platform() === 'win32' && platform !== 'win32') {\n      return joined.replace(/\\\\/g, '/');\n    }\n    return joined;\n  };\n}\n\nfunction chain(commands: string[]): string {\n  return commands.filter(c => !!c).join(' && ');\n}\n"]}