https://github.com/snapcore/core18

The core18 base snap
https://github.com/snapcore/core18

Last synced: 3 months ago
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The core18 base snap

• Host: GitHub
• URL: https://github.com/snapcore/core18
• Owner: snapcore
• Created: 2018-03-21T15:21:21.000Z (over 6 years ago)
• Default Branch: master
• Last Pushed: 2024-04-12T10:58:17.000Z (7 months ago)
• Last Synced: 2024-07-18T09:57:31.558Z (4 months ago)
• Language: Shell
• Size: 292 KB
• Stars: 13
• Watchers: 11
• Forks: 26
• Open Issues: 5
• Metadata Files:
  • Readme: README.md

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README

        
# Core18 snap for snapd

This is a base snap for snapd that is based on Ubuntu 18.04

# Building locally

To build this snap locally you need snapcraft. The project must be built as real root.

For i386 and amd64

```

$ sudo snapcraft

```

For any other architecture we recommend remote-build as multipass has limited

support for cross-building, and lack of stable releases for some architectures. 

To use remote-build you need to have a launchpad account, and follow the instructions [here](https://snapcraft.io/docs/remote-build)

```

$ sudo snapcraft remote-build --build-on={arm64,armhf,ppc64el,s390x}

```

# Writing code

The usual way to add functionality is to write a shell script hook

with the `.chroot` extenstion under the `hooks/` directory. These hooks

are run inside the base image filesystem.

Each hook should have a matching `.test` file in the `hook-tests`

directory. Those tests files are run relative to the base image

filesystem and should validates that the coresponding `.chroot` file

worked as expected.

The `.test` scripts will be run after building with snapcraft or when

doing a manual "make test" in the source tree.

# Testing locally

Once built you can boot it for testing inside qemu and spread. You will need

additional tool (see tests/lib/README.md for details). In order to prepare an

image for either exploratory manual tests or for spread tests run this command:

```

$ make update-image

```

With this available you can either run: `spread -debug -v` or `make -C

tests/lib just-boot`, depending on what you want to do. The interactive (just

boot) test should allow you to move to VT7 where a root shell awaits.