LocalStack is an AWS cloud service emulator that can be used as a local cloud sandbox for development, prototyping and testing. It is "A fully functional local cloud stack". You can efficiently build AWS cloud and serverless applications locally without connecting to AWS cloud. Therefore, it will help to accelerate your workflow and productivity without any surprise in AWS billing.
In this post, I'll use Ubuntu 22.04 distro (jammy) running on WSL2 (Windows Subsystem for Linux) to install LocalStack. Multiple installation options are available, but I'll show my preferred one, LocalStack CLI - simplest to start and manage LocalStack.
abhijit@AwsJunkie:~$ uname -a
Linux AwsJunkie 5.10.102.1-microsoft-standard-WSL2 #1 SMP Wed Mar 2 00:30:59 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
abhijit@AwsJunkie:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 22.04.1 LTS
Release: 22.04
Codename: jammy
Prerequisites
- python3:
- pip (package installer for Python)
- docker
python3 or pip may not come pre-installed by default. In my case, Python3 came preinstalled for Ubuntu 22 distro.
abhijit@AwsJunkie:~$ python3 --version
Python 3.10.6
Otherwise, install python3 and/or pip.
abhijit@AwsJunkie:~$ sudo apt update -y && sudo apt upgrade -y
abhijit@AwsJunkie:~$ sudo apt install python3 python3-pip -y
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
python3 is already the newest version (3.10.6-1~22.04).
python3 set to manually installed.
The following additional packages will be installed:
:
0 upgraded, 68 newly installed, 0 to remove and 0 not upgraded.
Need to get 72.1 MB of archives.
After this operation, 242 MB of additional disk space will be used.
Get:1 http://archive.ubuntu.com/ubuntu jammy-updates/main amd64 libc-dev-bin amd64 2.35-0ubuntu3.1 [20.4 kB]
Get:2 http://archive.ubuntu.com/ubuntu jammy-updates/main amd64 linux-libc-dev amd64 5.15.0-69.76 [1326 kB]
:
Setting up build-essential (12.9ubuntu3) ...
Setting up libpython3-dev:amd64 (3.10.6-1~22.04) ...
Setting up python3-dev (3.10.6-1~22.04) ...
Processing triggers for man-db (2.10.2-1) ...
Processing triggers for libc-bin (2.35-0ubuntu3.1) ...
Check docker version to confirm Docker is installed or not.
abhijit@AwsJunkie:~$ docker version
Client: Docker Engine - Community
Version: 23.0.1
API version: 1.42
Go version: go1.19.5
Git commit: a5ee5b1
Built: Thu Feb 9 19:47:01 2023
OS/Arch: linux/amd64
Context: default
For Docker installation, refer the below article.
Abhijit Ghosh
Install LocalStack CLI
To install LocalStack CLI, run pip install localstack without using sudo or root user. "LocalStack must be installed and started entirely under a local non-root user."
abhijit@AwsJunkie:~$ pip install localstack
Defaulting to user installation because normal site-packages is not writeable
Collecting localstack
Downloading localstack-1.4.0-py3-none-any.whl (1.3 MB)
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 1.3/1.3 MB 2.7 MB/s eta 0:00:00
:
:
Successfully installed apispec-6.3.0 boto3-1.26.100 botocore-1.29.100 cachetools-5.0.0 certifi-2022.12.7 charset-normalizer-3.1.0 click-8.1.3 dill-0.3.2 dnslib-0.9.23 dnspython-2.3.0 ecdsa-0.18.0 idna-3.4 jmespath-1.0.1 localstack-1.4.0 localstack-client-2.0 localstack-ext-1.4.0 markdown-it-py-2.2.0 mdurl-0.1.2 packaging-23.0 pbr-5.11.1 plux-1.3.1 psutil-5.9.4 pyaes-1.6.1 pyasn1-0.4.8 pygments-2.14.0 python-dateutil-2.8.2 python-dotenv-1.0.0 python-jose-3.3.0 requests-2.28.2 rich-13.3.3 rsa-4.9 s3transfer-0.6.0 semver-2.13.0 stevedore-5.0.0 tabulate-0.9.0 tailer-0.4.1 urllib3-1.26.15
Reload the current shell.
abhijit@AwsJunkie:~$ localstack
localstack: command not found
abhijit@AwsJunkie:~$ sudo nano ~/.profile
Verify LocalStack CLI installation
Check version to confirm whether installation is successful or not.
abhijit@AwsJunkie:~$ localstack --version
1.4.0
abhijit@AwsJunkie:~$ localstack --help
Usage: localstack [OPTIONS] COMMAND [ARGS]...
The LocalStack Command Line Interface (CLI)
Options:
--version Show the version and exit.
--debug Enable CLI debugging mode
--profile TEXT Set the configuration profile
--help Show this message and exit.
Commands:
config Inspect your LocalStack configuration
infra Manipulate LocalStack infrastructure (legacy)
login Log in with your account credentials
logs Show the logs of the LocalStack container
pod Manage the state of your instance via Cloud Pods
ssh Obtain a shell in the running LocalStack container
start Start LocalStack
status Print status information about the LocalStack runtime
stop Stop the running LocalStack container
update Update LocalStack components
wait Wait on the LocalStack container to start
LocalStack "must be started entirely under a local non-root user". But Docker daemon runs as the root user. Therefore, LocalStack will not be able to access Unix socket created by Docker daemon. To address this, create a Unix group called docker (if not created during Docker Engine installation) and add the user to that group.
abhijit@AwsJunkie:~$ sudo groupadd docker
groupadd: group 'docker' already exists
abhijit@AwsJunkie:~$ sudo usermod -aG docker $USER
Logout and re-login. And run newgrp docker to activate the changes to groups.
abhijit@AwsJunkie:~$ newgrp docker
Finally, start the LocalStack docker container. Use -d or --detached option to start LocalStack in the background.
abhijit@AwsJunkie:~$ localstack start -d
__ _______ __ __
/ / ____ _________ _/ / ___// /_____ ______/ /__
/ / / __ \/ ___/ __ `/ /\__ \/ __/ __ `/ ___/ //_/
/ /___/ /_/ / /__/ /_/ / /___/ / /_/ /_/ / /__/ ,<
/_____/\____/\___/\__,_/_//____/\__/\__,_/\___/_/|_|
💻 LocalStack CLI 1.4.0
[20:52:41] starting LocalStack in Docker mode 🐳 localstack.py:138
preparing environment bootstrap.py:675
configuring container bootstrap.py:683
starting container bootstrap.py:690
[20:53:03] detaching
Check AWS services loaded by localstack and available for you to start building awesome AWS cloud application in your local machine. AWS Service Feature Coverage is more in Pro version than Community edition.
abhijit@AwsJunkie:~$ curl -s http://localhost:4566/health | json_pp
{
"services" : {
"acm" : "available",
"apigateway" : "available",
"cloudformation" : "available",
"cloudwatch" : "available",
"config" : "available",
"dynamodb" : "available",
"dynamodbstreams" : "available",
"ec2" : "available",
"es" : "available",
"events" : "available",
"firehose" : "available",
"iam" : "available",
"kinesis" : "available",
"kms" : "available",
"lambda" : "available",
"logs" : "available",
"opensearch" : "available",
"redshift" : "available",
"resource-groups" : "available",
"resourcegroupstaggingapi" : "available",
"route53" : "available",
"route53resolver" : "available",
"s3" : "available",
"s3control" : "available",
"secretsmanager" : "available",
"ses" : "available",
"sns" : "available",
"sqs" : "available",
"ssm" : "available",
"stepfunctions" : "available",
"sts" : "available",
"support" : "available",
"swf" : "available",
"transcribe" : "available"
},
"version" : "2.0.0.dev"
}
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