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fix: make loop device during container build of ISO (#41) 

* fix: make loop device during container build of ISO

This creates the loop device during container runtime which allows lorax
to build the ISO and not need to rely on a host provided device file.

Fixes: #22

* chore: updated readme

---------

Co-authored-by: Noel Miller <noelmiller@protonmail.com>
This commit is contained in:
Benjamin Sherman 2024-02-27 12:06:33 -06:00 committed by GitHub
parent 99a54d2869
commit 3401b10c56
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3 changed files with 21 additions and 5 deletions
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2
Containerfile
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@ -21,4 +21,4 @@ RUN dnf install -y make && make install-deps
VOLUME /isogenerator/output
ENTRYPOINT ["sh", "-c", "make output/${IMAGE_NAME}-${IMAGE_TAG}.iso ARCH=${ARCH} VERSION=${VERSION} IMAGE_REPO=${IMAGE_REPO} IMAGE_NAME=${IMAGE_NAME} IMAGE_TAG=${IMAGE_TAG} VARIANT=${VARIANT} WEB_UI=${WEB_UI}"]
ENTRYPOINT /isogenerator/entrypoint.sh

16
README.md
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@ -16,14 +16,22 @@ This will create an ISO with the baked in defaults of the container image.
See [Customizing](#customizing) for information about customizing the image that gets created. The variable can either be defined as environment variables or as command arguments.
Examples:
Creating Bluefin GTS ISO
Creating Universal Blue Silverblue ISO
```bash
docker run --rm --privileged --volume .:/isogenerator/output -e VERSION=38 -e IMAGE_NAME=bluefin -e IMAGE_TAG=gts -e VARIANT=Silverblue ghcr.io/ublue-os/isogenerator:38
docker run --rm --privileged --volume .:/isogenerator/output -e VERSION=39 -e IMAGE_NAME=silverblue-main -e IMAGE_TAG=latest -e VARIANT=Silverblue ghcr.io/ublue-os/isogenerator:39
```
```bash
# Requires sudo to run
sudo podman run --rm --privileged --volume .:/isogenerator/output -e VERSION=39 -e IMAGE_NAME=silverblue-main -e IMAGE_TAG=latest -e VARIANT=Silverblue ghcr.io/ublue-os/isogenerator:39
```
Creating Bazzite Latest ISO
Creating Universal Blue Kinoite ISO
```bash
docker run --rm --privileged --volume .:/isogenerator/output -e VERSION=39 -e IMAGE_NAME=bazzite -e IMAGE_TAG=latest -e VARIANT=Kinoite ghcr.io/ublue-os/isogenerator:39
docker run --rm --privileged --volume .:/isogenerator/output -e VERSION=39 -e IMAGE_NAME=kinoite-main -e IMAGE_TAG=latest -e VARIANT=Kinoite ghcr.io/ublue-os/isogenerator:39
```
```bash
# Requires sudo to run
sudo podman run --rm --privileged --volume .:/isogenerator/output -e VERSION=39 -e IMAGE_NAME=kinoite-main -e IMAGE_TAG=latest -e VARIANT=Kinoite ghcr.io/ublue-os/isogenerator:39
```
## Customizing

8
entrypoint.sh Executable file
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@ -0,0 +1,8 @@
#!/bin/bash
set -eu
# pre-create loop devices manually. In containers we can't use losetup for that.
mknod -m 0660 /dev/loop0 b 7 0 2> /dev/null || true
make output/${IMAGE_NAME}-${IMAGE_TAG}.iso ARCH=${ARCH} VERSION=${VERSION} IMAGE_REPO=${IMAGE_REPO} IMAGE_NAME=${IMAGE_NAME} IMAGE_TAG=${IMAGE_TAG} VARIANT=${VARIANT} WEB_UI=${WEB_UI}