Sitelet https://github.com/kubernetes/kops/pull/18306/files
Skip to content

Automated cherry pick of #18232: Initial support for Ubuntu 26.04 #18306

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
k8s-ci-robot merged 1 commit into from
May 10, 2026
Merged

Automated cherry pick of #18232: Initial support for Ubuntu 26.04 #18306

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
27 changes: 25 additions & 2 deletions docs/operations/images.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -60,6 +60,7 @@ The following table provides the support status for various distros with regards
| [Ubuntu 20.04](#ubuntu-2004-focal) | 1.16.2 | 1.18 | - | - |
| [Ubuntu 22.04](#ubuntu-2204-jammy) | 1.23 | 1.24 | - | - |
| [Ubuntu 24.04](#ubuntu-2404-noble) | 1.29 | 1.31 | - | - |
| [Ubuntu 26.04](#ubuntu-2604-resolute) | 1.36 | - | - | - |

## Supported Distros

Expand Down Expand Up @@ -347,7 +348,7 @@ aws ec2 describe-images --region us-east-1 --output table \
--filters "Name=name,Values=ubuntu/images/hvm-ssd/ubuntu-jammy-22.04-*-*"

# Google Cloud Platform (GCP)
gcloud compute images list --filter ubuntu-2204-jammy-v \
gcloud compute images list --filter ubuntu-2204-jammy \
--project ubuntu-os-cloud

# Microsoft Azure
Expand All @@ -369,14 +370,36 @@ aws ec2 describe-images --region us-east-1 --output table \
--filters "Name=name,Values=ubuntu/images/hvm-ssd-gp3/ubuntu-noble-24.04-*-*"

# Google Cloud Platform (GCP)
gcloud compute images list --filter ubuntu-2204-jammy-v \
gcloud compute images list --filter ubuntu-2404-noble \
--project ubuntu-os-cloud

# Microsoft Azure
az vm image list --all --output table \
--publisher Canonical --offer 0001-com-ubuntu-server-jammy --sku 22_04-lts-gen2
```

### Ubuntu 26.04 (Resolute)

Support for Ubuntu 26.04 is based on Kernel version **7.0**.

Available images can be listed using:

```bash
# Amazon Web Services (AWS)
aws ec2 describe-images --region us-east-1 --output table \
--owners 099720109477 \
--query "sort_by(Images, &CreationDate)[*].[CreationDate,Name,ImageId]" \
--filters "Name=name,Values=ubuntu/images/hvm-ssd-gp3/ubuntu-resolute-26.04-*-*"

# Google Cloud Platform (GCP)
gcloud compute images list --filter ubuntu-2604-resolute-v \
--project ubuntu-os-cloud

# Microsoft Azure
az vm image list --all --output table \
--publisher Canonical --offer 0001-com-ubuntu-server-resolute --sku 26_04-lts-gen2
```

## Owner aliases

kOps supports owner aliases for the official accounts of supported distros:
Expand Down
1 change: 1 addition & 0 deletions util/pkg/distributions/distributions.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,7 @@ var (
DistributionUbuntu2204 = Distribution{packageFormat: "deb", project: "ubuntu", id: "jammy", version: 22.04}
DistributionUbuntu2404 = Distribution{packageFormat: "deb", project: "ubuntu", id: "noble", version: 24.04}
DistributionUbuntu2510 = Distribution{packageFormat: "deb", project: "ubuntu", id: "questing", version: 25.10}
DistributionUbuntu2604 = Distribution{packageFormat: "deb", project: "ubuntu", id: "resolute", version: 26.04}

// Redhat-family distros
DistributionRhel8 = Distribution{packageFormat: "rpm", project: "rhel", id: "rhel8", version: 8}
Expand Down
2 changes: 2 additions & 0 deletions util/pkg/distributions/identify.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -76,6 +76,8 @@ func FindDistribution(rootfs string) (Distribution, error) {
return DistributionUbuntu2404, nil
case "ubuntu-25.10":
return DistributionUbuntu2510, nil
case "ubuntu-26.04":
return DistributionUbuntu2604, nil
}

// Some distros have a more verbose VERSION_ID
Expand Down
5 changes: 5 additions & 0 deletions util/pkg/distributions/identify_test.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -143,6 +143,11 @@ func TestFindDistribution(t *testing.T) {
err: nil,
expected: DistributionUbuntu2510,
},
{
rootfs: "ubuntu2604",
err: nil,
expected: DistributionUbuntu2604,
},
{
rootfs: "notfound",
err: fmt.Errorf("reading /etc/os-release: open tests/notfound/etc/os-release: no such file or directory"),
Expand Down
13 changes: 13 additions & 0 deletions util/pkg/distributions/tests/ubuntu2604/etc/os-release
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,13 @@
PRETTY_NAME="Ubuntu 26.04 LTS"
NAME="Ubuntu"
VERSION_ID="26.04"
VERSION="26.04 (Resolute Raccoon)"
VERSION_CODENAME=resolute
ID=ubuntu
ID_LIKE=debian
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
UBUNTU_CODENAME=resolute
LOGO=ubuntu-logo
Loading