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Remove support for Ubuntu 18.04

This commit is contained in:
John Gardiner Myers 2023-06-22 22:18:16 -07:00
parent 86ade42ac0
commit 432ced6e57
5 changed files with 3 additions and 27 deletions
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18
docs/operations/images.md
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@ -49,7 +49,7 @@ The following table provides the support status for various distros with regards
| [RHEL 9](#rhel-9) | 1.27 | - | - | - |
| [Rocky 8](#rocky-8) | 1.23.2 | 1.24 | - | - |
| Ubuntu 16.04 | 1.5 | 1.10 | 1.17 | 1.20 |
| [Ubuntu 18.04](#ubuntu-1804-bionic) | 1.10 | 1.16 | 1.26 | - |
| Ubuntu 18.04 | 1.10 | 1.16 | 1.26 | 1.28 |
| [Ubuntu 20.04](#ubuntu-2004-focal) | 1.16.2 | 1.18 | - | - |
| [Ubuntu 22.04](#ubuntu-2204-jammy) | 1.23 | 1.24 | - | - |
@ -241,22 +241,6 @@ az vm image list --all --output table \
--publisher Canonical --offer 0001-com-ubuntu-server-jammy --sku 22_04-lts-gen2
```
## Deprecated Distros
### Ubuntu 18.04 (Bionic)
Ubuntu 18.04.5 is based on Kernel version **5.4** which fixes all the known major Kernel bugs.
Earlier patch versions may still work, but are not recommended nor supported.
Available images can be listed using:
```bash
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/ubuntu-bionic-18.04-amd64-*"
```
## Owner aliases
kOps supports owner aliases for the official accounts of supported distros:

4
docs/releases/1.28-NOTES.md
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@ -18,14 +18,14 @@ This is a document to gather the release notes prior to the release.
* Support for Kubernetes version 1.22 has been removed.
* Support for Ubuntu 18.04 is has been removed.
# Deprecations
* Support for Kubernetes version 1.23 is deprecated and will be removed in kOps 1.29.
* Support for Kubernetes version 1.24 is deprecated and will be removed in kOps 1.30.
* Support for Ubuntu 18.04 is deprecated and will be removed in kOps 1.28.
* Support for AWS Classic Load Balancer for API is deprecated and should not be used for newly created clusters.
* All legacy addons are deprecated in favor of managed addons, including the [metrics server addon](https://github.com/kubernetes/kops/tree/master/addons/metrics-server) and the [autoscaler addon](https://github.com/kubernetes/kops/tree/master/addons/cluster-autoscaler).

1
util/pkg/distributions/distributions.go
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@ -40,7 +40,6 @@ var (
DistributionDebian10 = Distribution{packageFormat: "deb", project: "debian", id: "buster", version: 10}
DistributionDebian11 = Distribution{packageFormat: "deb", project: "debian", id: "bullseye", version: 11}
DistributionDebian12 = Distribution{packageFormat: "deb", project: "debian", id: "bookworm", version: 12}
DistributionUbuntu1804 = Distribution{packageFormat: "deb", project: "ubuntu", id: "bionic", version: 18.04}
DistributionUbuntu2004 = Distribution{packageFormat: "deb", project: "ubuntu", id: "focal", version: 20.04}
DistributionUbuntu2010 = Distribution{packageFormat: "deb", project: "ubuntu", id: "groovy", version: 20.10}
DistributionUbuntu2104 = Distribution{packageFormat: "deb", project: "ubuntu", id: "hirsute", version: 21.04}

2
util/pkg/distributions/identify.go
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@ -58,8 +58,6 @@ func FindDistribution(rootfs string) (Distribution, error) {
return DistributionDebian11, nil
case "debian-12":
return DistributionDebian12, nil
case "ubuntu-18.04":
return DistributionUbuntu1804, nil
case "ubuntu-20.04":
return DistributionUbuntu2004, nil
case "ubuntu-20.10":

5
util/pkg/distributions/identify_test.go
View File

@ -114,11 +114,6 @@ func TestFindDistribution(t *testing.T) {
err: fmt.Errorf("unsupported distro: ubuntu-16.04"),
expected: Distribution{},
},
{
rootfs: "ubuntu1804",
err: nil,
expected: DistributionUbuntu1804,
},
{
rootfs: "ubuntu2004",
err: nil,