├── .gitignore ├── LICENSE ├── README.txt ├── index.js ├── lambdash ├── lambdash-install ├── lambdash-uninstall ├── lambdash-upload-s3 └── lambdash.template /.gitignore: -------------------------------------------------------------------------------- 1 | # Logs 2 | logs 3 | *.log 4 | 5 | # Runtime data 6 | pids 7 | *.pid 8 | *.seed 9 | 10 | # Directory for instrumented libs generated by jscoverage/JSCover 11 | lib-cov 12 | 13 | # Coverage directory used by tools like istanbul 14 | coverage 15 | 16 | # Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files) 17 | .grunt 18 | 19 | # Compiled binary addons (http://nodejs.org/api/addons.html) 20 | build/Release 21 | 22 | # Dependency directory 23 | # Commenting this out is preferred by some people, see 24 | # https://www.npmjs.org/doc/misc/npm-faq.html#should-i-check-my-node_modules-folder-into-git- 25 | node_modules 26 | 27 | # Users Environment Variables 28 | .lock-wscript 29 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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This is not intended to be 33 | production quality software. 34 | -------------------------------------------------------------------------------- /index.js: -------------------------------------------------------------------------------- 1 | // 2 | // lambdash - AWS Lambda function to run shell commands 3 | // 4 | // See also: https://alestic.com/2014/11/aws-lambda-shell/ 5 | // 6 | process.env['PATH'] = process.env['PATH'] + ':' + process.cwd() 7 | var AWS = require('aws-sdk'); 8 | var exec = require('child_process').exec; 9 | var MAX_OUTPUT = 1024 * 1024 * 1024; // 1 GB 10 | exports.handler = function(event, context) { 11 | var child = exec(event.command, {encoding: 'binary', maxBuffer: MAX_OUTPUT}, 12 | function (error, stdout, stderr) { 13 | var result = { 14 | "stdout": new Buffer(stdout, 'binary').toString('base64'), 15 | "stderr": new Buffer(stderr, 'binary').toString('base64'), 16 | "error": error 17 | }; 18 | context.succeed(result); 19 | } 20 | ); 21 | } 22 | -------------------------------------------------------------------------------- /lambdash: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python 2 | # 3 | # See also: http://alestic.com/2014/11/aws-lambda-shell 4 | # 5 | # Usage: 6 | # export LAMBDASH_FUNCTION=[FUNCTIONNAME] 7 | # lambdash [SHELLCOMMAND] 8 | # 9 | from __future__ import print_function 10 | import boto3, json, sys, os, base64 11 | 12 | client = boto3.client('lambda', region_name='us-east-1') 13 | response = client.invoke( 14 | InvocationType='RequestResponse', 15 | FunctionName=os.environ['LAMBDASH_FUNCTION'] or 'lambdash', 16 | Payload='{"command":'+json.dumps(" ".join(sys.argv[1:]))+'}') 17 | result = json.load(response['Payload']) 18 | 19 | os.write(sys.stdout.fileno(), base64.b64decode(result['stdout'])) 20 | os.write(sys.stderr.fileno(), base64.b64decode(result['stderr'])) 21 | 22 | if result['error'] and 'code' in result['error']: 23 | exit(result['error']['code']) 24 | exit(0) 25 | -------------------------------------------------------------------------------- /lambdash-install: -------------------------------------------------------------------------------- 1 | #!/bin/bash -e 2 | # 3 | # lambdash-install - Install lambdash AWS Lambda function with CloudFormation 4 | # 5 | 6 | # Settings 7 | 8 | function=lambdash 9 | stackname=$function 10 | region=us-east-1 11 | 12 | # Create CloudFormation stack containing AWS Lambda function 13 | 14 | template=lambdash.template 15 | aws cloudformation create-stack \ 16 | --region "$region" \ 17 | --stack-name "$stackname" \ 18 | --capabilities CAPABILITY_IAM \ 19 | --template-body "file://$template" \ 20 | --parameters \ 21 | "ParameterKey=LambdaFunctionName,ParameterValue=$function" \ 22 | --tags "Key=Name,Value=$function" 23 | echo region=$region stackname=$stackname 24 | 25 | # Wait for the stack to be created 26 | 27 | aws cloudformation wait stack-create-complete \ 28 | --region "$region" \ 29 | --stack-name "$stackname" 30 | 31 | # Show the physical resource name for the lambdash program to use 32 | 33 | export LAMBDASH_FUNCTION=$(aws cloudformation describe-stacks \ 34 | --region "$region" \ 35 | --stack-name "$stackname" \ 36 | --output text \ 37 | --query 'Stacks[*].Outputs[?OutputKey==`LambdaFunction`].[OutputValue]') 38 | 39 | echo 'Set the following environment variable, and add to $HOME/.bashrc' 40 | echo export LAMBDASH_FUNCTION=$LAMBDASH_FUNCTION 41 | -------------------------------------------------------------------------------- /lambdash-uninstall: -------------------------------------------------------------------------------- 1 | #!/bin/bash -e 2 | # 3 | # lambdash-install - Install lambdash AWS Lambda function with CloudFormation 4 | # 5 | 6 | # Settings 7 | 8 | function=lambdash 9 | stackname=$function 10 | region=us-east-1 11 | 12 | # Delete the old CloudFormation stack and all resources, if any 13 | 14 | aws cloudformation delete-stack \ 15 | --region "$region" \ 16 | --stack-name "$stackname" ||: 17 | 18 | while status=$(aws cloudformation describe-stacks \ 19 | --region "$region" \ 20 | --stack-name "$stackname" \ 21 | --output text \ 22 | --query 'Stacks[*].[StackStatus]' 2>/dev/null) 23 | [ "$status" = 'DELETE_IN_PROGRESS' ] 24 | do 25 | sleep 10 26 | done 27 | -------------------------------------------------------------------------------- /lambdash-upload-s3: -------------------------------------------------------------------------------- 1 | #!/bin/bash -e 2 | # 3 | # lambdash-upload-s3 - Upload to S3: Lambda ZIP and CloudFormation template 4 | # 5 | 6 | # Settings 7 | 8 | function=lambdash 9 | s3_bucket=run.alestic.com 10 | s3_zipfile=s3://$s3_bucket/lambda/$function.zip 11 | s3_template_file=s3://$s3_bucket/cloudformation/$function.template 12 | 13 | tmpdir=$(mktemp -d /tmp/lambda-XXXXXX) 14 | virtualenv=$tmpdir/virtual-env 15 | zipfile=$tmpdir/lambda.zip 16 | 17 | on_exit() 18 | { 19 | rm -r $tmpdir 20 | } 21 | trap 'on_exit' EXIT 22 | 23 | # Build aws-cli package in a virtualenv subshell 24 | 25 | ( 26 | virtualenv -q $virtualenv 27 | source $virtualenv/bin/activate 28 | pip -q install awscli 29 | ) 30 | 31 | # Create ZIP file with AWS Lambda function and aws-cli 32 | 33 | zip -qr9 $zipfile index.js 34 | 35 | rsync -a $virtualenv/bin/aws $tmpdir/aws 36 | perl -pi -e '$_ ="#!/usr/bin/python\n" if $. == 1' $tmpdir/aws 37 | (cd $tmpdir; zip -qr9 $zipfile aws) 38 | (cd $virtualenv/lib/python2.7/site-packages; zip -qr9 $zipfile *) 39 | 40 | # Upload Lambda function ZIP file and CloudFormation template to S3 41 | 42 | aws s3 cp --acl public-read $zipfile $s3_zipfile 43 | aws s3 cp --acl public-read $function.template $s3_template_file 44 | -------------------------------------------------------------------------------- /lambdash.template: -------------------------------------------------------------------------------- 1 | { 2 | "AWSTemplateFormatVersion": "2010-09-09", 3 | "Description": "lambdash - AWS Lambda function for running shell commands", 4 | "Parameters": { 5 | "LambdaFunctionName": { 6 | "Description": "Name of Lambda function", 7 | "Type": "String", 8 | "Default": "lambdash" 9 | }, 10 | "S3Bucket": { 11 | "Description": "S3 bucket name containing the Lambda function ZIP file", 12 | "Type": "String", 13 | "Default": "run.alestic.com" 14 | }, 15 | "S3Key": { 16 | "Description": "S3 key containing the Lambda function ZIP file", 17 | "Type": "String", 18 | "Default": "lambda/lambdash.zip" 19 | } 20 | }, 21 | "Resources": { 22 | "InvokeRole": { 23 | "Type": "AWS::IAM::Role", 24 | "Properties": { 25 | "AssumeRolePolicyDocument": { 26 | "Statement": [ { 27 | "Effect": "Allow", 28 | "Principal": { 29 | "Service": [ "lambda.amazonaws.com" ] 30 | }, 31 | "Action": [ "sts:AssumeRole" ] 32 | } ] 33 | }, 34 | "Path": "/", 35 | "Policies": [ { 36 | "PolicyName": "InvokePolicy", 37 | "PolicyDocument": { 38 | "Statement": [ { 39 | "Effect": "Allow", 40 | "Action": [ 41 | "lambda:InvokeFunction" 42 | ], 43 | "Resource": [ 44 | "*" 45 | ] 46 | } ] 47 | } 48 | } ] 49 | } 50 | }, 51 | "function": { 52 | "Type": "AWS::Lambda::Function", 53 | "Properties": { 54 | "Code": { 55 | "S3Bucket": { "Ref": "S3Bucket" }, 56 | "S3Key": { "Ref": "S3Key" } 57 | }, 58 | "Description": "lambdash - Lambda function for running shell commands in Lambda environment", 59 | "Handler": "index.handler", 60 | "MemorySize": 1536, 61 | "Role": {"Fn::GetAtt": ["InvokeRole", "Arn"] }, 62 | "Runtime": "nodejs8.10", 63 | "Timeout": 60 64 | } 65 | } 66 | }, 67 | "Outputs": { 68 | "LambdaFunction": { 69 | "Value": {"Ref": "function"} 70 | }, 71 | "SetThisEnvironmentVariable": { 72 | "Value": {"Fn::Join": [ "", [ 73 | "export LAMBDASH_FUNCTION=", {"Ref": "function"} 74 | ]]} 75 | } 76 | } 77 | } 78 | --------------------------------------------------------------------------------