coreos/coreos-assembler

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Tooling container to assemble CoreOS-like systems

Stars: 393
Forks: 193
Open beginner issues: 0
Indexed issues: 87
Avg merge: 17h 6m
Merged PRs (30d): 5

Dominant language: Go
License: Apache-2.0
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 20, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue

Beginner friendly Everything

Open All

87 open issues indexed

moving to Fedora 44/golang 1.26 exposes data race in digitalocean/go-qemu library Open

Difficulty 2/5 1-3 hours Newbie friendliness 75/100

coreos/coreos-assembler#4611 · 2 comments · Opened Aug 27, 2026
Migrate to new alibaba cloud sdk Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

coreos/coreos-assembler#4548 · 4 comments · Opened May 5, 2026
Add negative test to verify fail to fetch the file resource with non-FIPS algorithms Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

coreos/coreos-assembler#4520 · 1 comment · 1 reaction · Opened Apr 2, 2026
kola: Add support for Kubevirt Open

jira

Difficulty 4/5 3-5 days Newbie friendliness 35/100

coreos/coreos-assembler#4508 · 2 comments · Opened Mar 26, 2026
build-rootfs use too mush time Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

coreos/coreos-assembler#4408 · 4 comments · Opened Dec 26, 2025
kola.json is not used on external tests Open

Difficulty 2/5 1-3 hours Newbie friendliness 50/100

coreos/coreos-assembler#4392 · Opened Dec 14, 2025
update `cosa diff --metal` to work on s390x/ppc64le Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

coreos/coreos-assembler#4364 · 1 comment · Opened Nov 7, 2025
cosa fetch support proxy Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

coreos/coreos-assembler#4307 · Opened Sep 10, 2025
systemd-userdb Mishandled Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

coreos/coreos-assembler#4296 · 4 comments · Opened Sep 3, 2025
osbuild flaking ENOSPC with after build-with-buildah enabled in rawhide Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

coreos/coreos-assembler#4289 · 5 comments · Opened Aug 27, 2025
Do various cleanups once we have bootc v1.6.0 Open

jira

Difficulty 4/5 3-5 days Newbie friendliness 25/100

coreos/coreos-assembler#4275 · 2 comments · Opened Aug 20, 2025
Migrate to the AWS SDK for Go v2 (Linter failing with "github.com/aws/aws-sdk-go/aws" is deprecated message) Open

go jira

Difficulty 4/5 3-5 days Newbie friendliness 30/100

coreos/coreos-assembler#4254 · 1 comment · 1 reaction · Opened Aug 12, 2025
podman.workflow test incorrect parsing of `podman rmi` output Open

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

coreos/coreos-assembler#4095 · 4 comments · Opened May 7, 2025
branching strategy for COSA for Openshift Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

coreos/coreos-assembler#4080 · 5 comments · Opened Apr 23, 2025
Max override file size for custom "cosa build"? Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

coreos/coreos-assembler#4071 · 3 comments · Opened Apr 10, 2025
Add OCI upgrade coverage in `kola.upgrade.basic` Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

coreos/coreos-assembler#4046 · 1 comment · Opened Mar 19, 2025
add CI coverage for `kola testiso --pxe-append-rootfs` Open

jira

Difficulty 4/5 3-5 days Newbie friendliness 45/100

coreos/coreos-assembler#4024 · Opened Feb 12, 2025
Consider pruning osbuild data from cache qcow2 Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

coreos/coreos-assembler#3993 · 1 comment · Opened Dec 17, 2024
make cosa diff support diffing artifact sizes between builds Open

jira

coreos/coreos-assembler#3992 · 1 comment · 1 assignee · Opened Dec 17, 2024
kola: `--multiply` on a test with subtests doesn't work Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

coreos/coreos-assembler#3873 · 1 comment · Opened Sep 12, 2024
`cosa run` (devshell default) does not connect to SCOS 10 Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

coreos/coreos-assembler#3866 · Opened Aug 28, 2024
Test `rhcos.upgrade.from-ocp-rhcos` fails with downgraded version of skopeo Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

coreos/coreos-assembler#3842 · Opened Aug 7, 2024
Figure out a way to share code with https://github.com/flatcar/mantle Open

enhancement jira

Difficulty 5/5 Over a week Newbie friendliness 25/100

coreos/coreos-assembler#3841 · 1 comment · Opened Aug 2, 2024
Fail test on SELinux denials and export audit.log if any found Open

jira

Difficulty 4/5 3-5 days Newbie friendliness 38/100

coreos/coreos-assembler#3837 · Opened Jul 24, 2024
Check that there is console output / a login prompt to make sure getty works Open

enhancement good first issue jira

Difficulty 4/5 3-5 days Newbie friendliness 30/100

coreos/coreos-assembler#3832 · 2 comments · Opened Jul 10, 2024
Docs: Using the provided alias with `COREOS_ASSEMBLER_CONFIG_GIT` leave FS with dangling files Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

coreos/coreos-assembler#3817 · 2 comments · Opened Jun 4, 2024
cosa run should't expect an image when `--netboot` is present Open

bug good first issue

Difficulty 3/5 1-2 days Newbie friendliness 45/100

coreos/coreos-assembler#3807 · Opened May 16, 2024
rework iscsi tests architecture Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

coreos/coreos-assembler#3791 · 2 comments · 1 reaction · Opened May 2, 2024
`buildextend-virtualbox` and `buildextend-vmware` improperly handle raw disks >=8GB Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

coreos/coreos-assembler#3787 · 6 comments · Opened May 1, 2024
[RFE] kola should support to start previous build to do external tests Open

jira

coreos/coreos-assembler#3714 · 4 comments · 1 assignee · Opened Feb 2, 2024
Add confidential VM support on Azure Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

coreos/coreos-assembler#3608 · Opened Sep 13, 2023
Add Tests to ensure that kernel arguments persist Open

jira

Difficulty 3/5 1-2 days Newbie friendliness 42/100

coreos/coreos-assembler#3513 · Opened Jun 20, 2023
Improve kola argument processing logic for platform specific options Open

good first issue

Difficulty 3/5 1-2 days Newbie friendliness 42/100

coreos/coreos-assembler#3509 · 4 comments · Opened Jun 13, 2023
Prow CI test doesn't archive all kola test results Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

coreos/coreos-assembler#3432 · Opened Apr 17, 2023
Add pipeline stream name to containers as labels Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

coreos/coreos-assembler#3390 · 1 comment · Opened Mar 13, 2023
cosa leaks git access tokens into generated ociarchive Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

coreos/coreos-assembler#3355 · 2 comments · Opened Feb 14, 2023
Builds are not reproducible Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

coreos/coreos-assembler#3332 · 5 comments · Opened Jan 27, 2023
[Feature Request] Support rpm download cache sharing Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

coreos/coreos-assembler#3322 · Opened Jan 24, 2023
Move variant setup from `cosa init` to `cosa build` Open

design enhancement jira

Difficulty 5/5 Over a week Newbie friendliness 25/100

coreos/coreos-assembler#3276 · 10 comments · Opened Dec 13, 2022
Test `rhcos.upgrade.from-ocp-rhcos` panics on 4.11 Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

coreos/coreos-assembler#3270 · Opened Dec 7, 2022
Teach `plume make-amis-public` to handle making GovCloud AMIs public Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

coreos/coreos-assembler#3259 · 1 comment · Opened Dec 2, 2022
Support HTTPS Proxies in the Container builds Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

coreos/coreos-assembler#3251 · Opened Nov 30, 2022
cosa buildextend-live step: gf-mksquashfs fails to create rootfs squashfs: No space left on device Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

coreos/coreos-assembler#3203 · 1 comment · Opened Nov 16, 2022
Change detection doesn't notice changes to `platforms.yaml` Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

coreos/coreos-assembler#3172 · 1 comment · Opened Nov 8, 2022
Tracker for cleanups possible after RHCOS moves to FCOS pipeline Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

coreos/coreos-assembler#3134 · 2 comments · Opened Oct 24, 2022
support `cosa fetch --arch --update-lockfile` Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

coreos/coreos-assembler#3088 · Opened Sep 9, 2022
specifying --qemu-iso to `kola testiso` doesn't seem to work Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

coreos/coreos-assembler#3071 · 1 comment · Opened Sep 3, 2022
build: Require an explicit fetch stage is not working Open

good first issue

Difficulty 3/5 1-2 days Newbie friendliness 35/100

coreos/coreos-assembler#3065 · 2 comments · Opened Sep 1, 2022
Support disk reuse in kola tests Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

coreos/coreos-assembler#3026 · Opened Aug 4, 2022
include opinionated but configurable pipeline logic Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

coreos/coreos-assembler#3008 · 4 comments · Opened Jul 26, 2022

coreos/coreos-assembler

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