An Easy Way to Get Your Own Binary Repository

If you don't want to upload your artifacts to public repositories, or if you work on a private network with no connection to public repositories, you need to be able to store dependencies offline in a private repository and push or pull them locally.

Binary Repository Manager (BRM), according to Wikipedia, is “a software tool designed to optimize the download and storage of binary files used and produced in software development”, such as .jar, .tar, or .zip archives. Being a critical component of most DevOps toolchains, BRM resides right after the build pipeline. It is why it is sometimes called “build repository”, “artifact repository” or “pipeline state repository”.

A traditional DevOps pipeline expects the source code that is automatically validated, tested, packaged, and versioned into an artifact (a binary file). Then, the artifact must be stored outside of the source code repository and available for later stages of the continuous delivery pipeline. Being a central point for management of binaries and dependencies, and an integrated depot for building promotions of internally developed software, the BRM is supposed to host these artifacts.


A software project of almost any size needs to keep its binary artifacts in a repository to enable access to them by programmers or by tools that ensure Continuous Integration (CI), Delivery (CD) and Deployment (CD). Since the quality of the software that manages the repository matters, the BRM should meet such requirements as

Integrability–there are plenty of build automation tools for each programming language, like Maven for Java, Npm for JavaScript, or Rake for Ruby. There are also many continuous integration tools, like Jenkins or Travis. Since automation is the most important aspect of DevOps, it is expected to have plugins for each or most of them, enabling seamless integration with the BRM.


Availability–artifacts are important components of a software development process and they must be available to a programmer or a build tool immediately when needed, without even minor delays, and delivered at the highest possible speed.

Scalability–most build artifacts are large binary files; some of them may be larger than 1Gb, for example, Docker images or .war (production-ready Java archives). The BRM must be able to maintain large data sets, up to almost no size limitation.

Reliability–the ability to corrupt the data because of software or hardware failures must be excluded as much as it is possible.

Artipie

Artipie is a free binary artifact management tool. Artipie is not just a binary artifact web server - it's an artifact management constructor, which comprises many components built into server assembly. It is an open-source project that started in 2020 and is actively growing.

All Artipie components are based on reactive, asynchronous, non-blocking, and back-pressured streams and principles, allowing Artipie to withstand heavy workloads with a small number of kernel threads.

The Artipie architecture consists of 3 essential parts:

1. Artipie HTTP engine

2. Repository adapters

3. Storages

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Artipie HTTP Engine

The Artipie engine is a Java application, which exposes an HTTP endpoint for repository access and management operations. It routes HTTP requests to the repository adapter and provides authentication mechanisms. The Artipie HTTP engine, built on the Vert.x and RxJava frameworks, provides lightweight flexibility and scalability to the project through asynchronous, reactive, and non-blocking operations.

The most common data flow for the Artipie upload action is as follows: the client is sending some binary artifact to the server, which finds a responsible repository adapter to process the request; the repository adapter saves the stream to the storage; after completing, it updates the metadata of the repository (some repositories work differently, for example, Docker uses metadata as a path).



Repository Adapters

Repository adapters are independent projects, aimed at implementing an API to interact with the repository client and meta information generation layers for a specific package type (npm, maven, etc.). The Artipie engine uses adapters in order to provide BRM functionality. Each repository adapter encapsulates storage API to access binary blobs and metadata files.

Artipie supports the following types of repositories:

Docker - private Docker registry for images.

Maven - Java, Kotlin, Groovy, Scala, Clojure artifacts and dependencies of varying types like a .jar, .war, .klib and etc.

NPM - JavaScript code sharing and packages store.

PyPI - Python packages index.

Anaconda - built packages for data science for Python, R, Lua, C, C++, etc.

RPM - .rpm packages repository for RHEL, PCLinuxOS, Fedora, AlmaLinux, CentOS, openSUSE, OpenMandriva, Oracle Linux, etc.

Gem - RubyGem hosting service for Ruby.

Go - Go package storage.

Files (binary) storage - host any files you like.

Helm - Helm charts repository.

NuGet - hosting service for .NET packages.

Debian - package repository for Debian-based Linux distributions: Ubuntu, MX Linux, Mint, Raspberry Pi OS, Parrot OS, etc.

Composer - package source for PHP packages.

Storage

Repository adapters place the uploaded and created binary files in the storage. Artipie has abstract storage that provides an abstraction over a physical data storage system. The simplicity makes it easy to implement the interface for almost any data storage system. It has two major operations: to put and get an item from storage with a few additional functions, such as to check if an item exists, to list storage items, or to obtain the item metadata.

At the moment, there are the following storage implementations:

1. File system storage

2. Redis storage

3. S3 based storage

Abstract storage also provides an interface that can be implemented to support any type of storage you need.

Start Using Artipie

You have two options for working with Artipie: 

Run Artipie Docker image with Docker Compose

Run Artipie jar archive on JVM

I will show a simple example of how to run Artipie locally with Docker Compose and configure it as a repository for Docker images on a Windows machine.


Preparing

To run Artipie, you need to have Docker installed, then you can simply clone the GitHub repository with the example on the path C:\, or follow the steps:

1. Make a folder for the Artipie project (e.g. C:\artipie)

2. Create a folder for the Artipie configuration (e.g. C:\artipie\config) and place in the folder the yml file with the Artipie server configuration. In my example, the file is called artipie.yml. You must specify the path where Artipie will find all repository configurations. I specify the configuration path of the Docker repository as var/artipie/repo, because I mount the folder from the local Windows machine C:\artipie\repo to directory /var/artipie/repo in Artipie Docker container, when setting-up docker-compose.yml in step №4.

YAML

meta:

  storage:

    type: fs

    path: /var/artipie/repo #path to repository configurations

  layout: flat

3. Create a folder for the repository configuration files (e.g. C:\artipie\repo), then put in the folder the yml file with the repository configuration. The name of this file will be the name of the repository to be created. For example, the file will be named my-docker.yml and the repository will be named my-docker accordingly. To configure storage with the FileStorage type, it is enough to set the path where Artipie will store all the items. The system must read and write permissions to create files on this path. In my example, the path will be /var/artipie/images.

YAML

repo:

  type: docker

  storage:

    type: fs   #type = FileStorage

    path: /var/artipie/images   #place where the data will be stored

4. Create the file docker-compose.yml with the following instructions:

YAML

version: "3.3"

services:

  artipie:

    image: artipie/artipie:latest

    container_name: artipie

    restart: unless-stopped

    ports:

      - "8080:8080"

    volumes:

      - /C/artipie/repo:/var/artipie/repo # mount folder with repository configuration

      - /C/artipie/config:/etc/artipie/ # mount folder with Artipie server configuration

Launch

Now, open the CLI, go to the folder with the docker-compose.yml file and start Artipie with the console command: docker-compose up.

In the CLI, we see that Artipie has started on port 8080 and found a repository configuration file my-docker.yml.

PowerShell

C:\>cd C:/artipie

C:\artipie>docker-compose up

[+] Running 2/2

 - Network artipie_default  Created                              0.7s

 - Container artipie        Created                              0.1s

Attaching to artipie

artipie  | [INFO] main com.artipie.VertxMain - Artipie was started on port 8080

artipie  | [INFO] ForkJoinPool.commonPool-worker-1 com.artipie.asto.fs.FileStorage - Found 1 objects by the prefix "" in /var/artipie/repo by /var/artipie/repo: [my-docker.yml]

 

Usage

Before pushing any images, let's pull an existing one from Docker Hub. My choice is an alpine image. Pull the alpine image with the command: docker pull alpine:

PowerShel

C:\artipie>docker pull alpine

Using default tag: latest

latest: Pulling from library/alpine

Digest: sha256:686d8c9dfa6f3ccfc8230bc3178d23f84eeaf7e457f36f271ab1acc53015037c

Status: Downloaded newer image for alpine:latest

docker.io/library/alpine:latest

 

With the next command, we create our docker image called myfirstimage from the alpine image for pushing it to our Artipie repository: 

docker image tag alpine localhost:8080/my-docker/myfirstimage. Check that docker has 2 images: alpine and localhost:8080/my-docker/myfirstimage, with the command: docker images:

PowerShell

C:\artipie>docker image tag alpine localhost:8080/my-docker/myfirstimage

C:\artipie>docker images

REPOSITORY                              TAG     IMAGE ID        CREATED         SIZE

localhost:8080/my-docker/myfirstimage   latest  e66264b98777    7 weeks ago     5.53MB

alpine                                  latest  e66264b98777    7 weeks ago     5.53MB

 

Now, we have to login into our own registry with the default user artipie|artipie, because the Docker registry supports only authorized users: docker login --username artipie localhost:8080:

PowerShell

C:\artipie>docker login --username artipie localhost:8080

Password: artipie

Login Succeeded

Finally, we can push our image to the repository with the command: docker push localhost:8080/my-docker/myfirstimage:

PowerShell

C:\artipie>docker push localhost:8080/my-docker/myfirstimage

Using default tag: latest

The push refers to repository [localhost:8080/my-docker/myfirstimage]

24302eb7d908: Pushed

latest: digest: sha256:4ff3ca91275773af45cb4b0834e12b7eb47d1c18f770a0b151381cd227f4c253 size: 528

For checking the result, we can attach to the container with command: docker exec -it artipie bash and go to /var/artipie/images/my-docker to find the docker folder with subfolders and blob files.

PowerShell

C:\artipie>docker exec -it artipie bash

bash-4.4$ cd /var/artipie/images/my-docker/

bash-4.4$ ls

docker

Before pulling an image from our repository, remove the image from local docker images with the command: docker image rm localhost:8080/my-docker/myfirstimage.

Verify that the image was removed, and we have only 1 image (alpine): docker images:

PowerShell

C:\artipie>docker image rm localhost:8080/my-docker/myfirstimage

Untagged: localhost:8080/my-docker/myfirstimage:latest

Untagged: localhost:8080/my-docker/[email protected]:4ff3ca91275773af45cb4b0834e12b7eb47d1c18f770a0b151381cd227f4c253

C:\artipie>docker images

REPOSITORY      TAG     IMAGE ID        CREATED         SIZE

alpine          latest  e66264b98777    7 weeks ago     5.53M

The image can be pulled as well: docker pull localhost:8080/my-docker/myfirstimage. After executing the command, check that we have 2 images again (alpine and localhost:8080/my-docker/myfirstimage): docker images:

PowerShell

C:\artipie>docker pull localhost:8080/my-docker/myfirstimage

Using default tag: latest

latest: Pulling from my-docker/myfirstimage

Digest: sha256:4ff3ca91275773af45cb4b0834e12b7eb47d1c18f770a0b151381cd227f4c253

Status: Downloaded newer image for localhost:8080/my-docker/myfirstimage:latest

localhost:8080/my-docker/myfirstimage:latest

C:\artipie>docker images

REPOSITORY                              TAG     IMAGE ID        CREATED         SIZE

localhost:8080/my-docker/myfirstimage   latest  e66264b98777    7 weeks ago     5.53MB

alpine                                  latest  e66264b98777    7 weeks ago     5.53MB

Conclusion

A binary repository is a key element in any DevOps pipeline and various projects need various types of binary repositories to store artifacts. Almost every programming language ecosystem has its own kind of artifact repository. Artipie provides a wide range of adapters for the major packaging formats in one product, enabling the management of all artifacts from one place. Artipie is growing and developing rapidly, and it provides the ability to add the implementation of its own binary data storage, in addition to File, Redis, and S3 storage.

Artipie is a good choice for storing binary artifacts because it is simple for configuration. It has support for many types of repositories. As an open-source product, it is absolutely free for use.


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