Calamares

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# Calamares

## The Universal Linux Installer

Adriaan de Groot
January 18th, 2020

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# Calamares

.left-column[
(Universal) (Linux Installer)
<br/><br/><br/>
![Calamares](img-calamares/calamares.png)
]
.right-column[
(Universal Linux) (Installer)
]

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# Calamares

*Toolkit* for installers that are
- customized
- branded
- translated
- themed

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# Calamares

*Toolkit* for Linux distributions
to configure their own installer.

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# What is a distribution?

- A collection of packages
- An ISO image
- An installer

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# What is a distribution?

- A collection of packages
- An ISO image
- An installer
  - Write things to HDD
  - Configure things on that HDD

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# What is an installed Linux system?

- Bootloader (e.g. EFI),
- Disk partitioning (e.g. GPT),
- Kernel (e.g. Linux + initramfs),
- Filesystems (e.g. / and /home, ext4),
- Contents of filesystems (e.g. /bin/sh),
- Configuration (e.g. /home/adriaan).

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# Calamares

## Principles

- Build upstream, configure downstream
- Suitable for **any** Linux distribution
- Eager upstream

Configuration through flat text files.

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# Calamares

## Users

![Distro](img-calamares/distro.png)

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# Calamares

## Development

- On GitHub
- All open
- Downstream forks are *ok*
- Eager upstream
- We are in this together

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# Calamares

## Technology

- Mostly C++
- Mostly Qt Widgets
- Python for extensions

**Not** a KDE project, but ..

- cmake
- KDE Extra CMake Modules
- KDE Frameworks
- KDE Partition Manager

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# Calamares

## Functionality

- 47 modules for specific functionality
- YAML for configuration
- QSS for extra branding

*Soon*
- QML UI modules

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# Calamares

## Functionality

![Step](img-calamares/step-1.png)

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# Calamares

## Functionality

![Step](img-calamares/step-2.png)

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# Calamares

## Functionality

![Step](img-calamares/step-3.png)

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# Calamares

## Translations

![Hindi](img-calamares/cala-hindi.png)

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# Calamares

## Translations

![Malayalam](img-calamares/cala-malayalam.png)

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# Calamares

## Configuration

```
branding: manjaro

sequence:
    - show:
        - welcome
        - partition
        - users
        - summary
    - exec:
        - partition
        - mount
        - unpackfs
```

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# Calamares

## Configuration

```
componentName:  manjaro
strings:
    productName:      Manjaro Linux
    version:          18.0.4
    versionedName:    Manjaro Linux 18.0.4 "Illyria"
images:
    productLogo:      "logo.png"
slideshow:            "show.qml"
style:
   sidebarBackground: "#454948"
   sidebarText:       "#efefef"
```

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# Calamares

## Configuration

```
unpack:
    - source: "/run/miso/bootmnt/manjaro/x86_64/rootfs.sfs"
      sourcefs: "squashfs"
      destination: ""
    - source: "/run/miso/bootmnt/manjaro/x86_64/desktopfs.sfs"
      sourcefs: "squashfs"
      destination: ""
```

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# Calamares

## Variants

- as an installer
- OEM pre-delivery
- OEM post-delivery

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# Calamares

## Future work

- QML UI
- Improved OEM modes
- Scripted mode

<br/>
Of course there's bugs, too.

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# Calamares

## Get Involved

- https://calamares.io/
- https://github.com/calamares/calamares
- `#calamares` on Freenode
- Wiki Guides for translators, deployers, developers
- Issues labeled as *help-wanted*

Talk to us (me)!