/mender-artifact-1

Library for managing Mender artifact files

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Mender Artifacts Library

Mender is an open source over-the-air (OTA) software updater for embedded Linux devices. Mender comprises a client running at the embedded device, as well as a server that manages deployments across many devices.

This repository contains the artifacts library, which is used by the Mender client, command line interface, server and for build integration with the Yocto Project.

The artifacts library makes it easy to programmatically work with a Mender artifact, which is a file that can be recognized by its .mender suffix. Mender artifacts can contain binaries, metadata, checksums, signatures and scripts that are used during a deployment. The artifact format acts as a wrapper, and uses the tar format to bundle several files into one.

In its simplest form, an artifact contains just a rootfs image, along with its checksum, id and device type compatibility.

The artifacts library might also be useful for other updaters or purposes. We are always happy to see other uses of it!

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Getting started

To start using Mender, we recommend that you begin with the Getting started section in the Mender documentation.

Using the library

You can use the parser and reader in go in the standard way:

import (
        "github.com/mendersoftware/mender-artifact/parser"
        "github.com/mendersoftware/mender-artifact/reader"
...
)

For sample usage, please see the Mender client source code.

Downloading the binaries

You can find the latest mender-artifact binaries in the Downloads page on Mender Docs.

Enabling auto-completion in Bash & ZSH

Automatic installation through the Makefile

This is the easiest approach, and all that is needed it to run:

sudo make install-autocomplete-scripts

And the Bash auto-complete script will be installed to /etc/bash_completion.d, and if Zsh is installed on the system, the corresponding auto-completion script is installed into /usr/local/share/zsh/site-functions.

You can override both the DESTDIR (default: empty) and PREFIX (default: /usr/local) variables to alter the destination paths, i.e:

sudo make DESTDIR=/tmp PREFIX=/usr install-autocomplete-scripts

Manual installation

auto-completion of mender-artifact sub-commands can be added to either ZSH or Bash through:

Bash

The simplest way of enabling auto-completion in Bash is to copy the ./autocomplete/bash_autocomplete file into /etc/bash_completion.d/ like so:

sudo cp path/to/mender-aritfact/autocomplete/bash_autocomplete /etc/bash_completion.d/mender-artifact
source /etc/bash_completion.d/mender-artifact

Alternatively the following can be added to .bashrc:

PROG=mender-artifact
source path/to/mender-artifact/autocomplete/bash_autocomplete

ZSH

Auto-completion for ZSH is supported through the zsh_autocompletion script found in the ./autocomplete directory. In order to enable it consistently, add these lines to your .zshrc file:

source  path/to/mender-artifact/autocomplete/zsh_autocomplete

Contributing

We welcome and ask for your contribution. If you would like to contribute to Mender, please read our guide on how to best get started contributing code or documentation.

License

Mender is licensed under the Apache License, Version 2.0. See LICENSE for the full license text.

Security disclosure

We take security very seriously. If you come across any issue regarding security, please disclose the information by sending an email to security@mender.io. Please do not create a new public issue. We thank you in advance for your cooperation.

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