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Merge pull request #13557 from hakman/ubuntu-18.04 

Add back support for Ubuntu 18.04
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Kubernetes Prow Robot 2022-04-25 23:06:52 -07:00 committed by GitHub
parent 4f93e53f2d 4fe9822cf1
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65
docs/operations/images.md
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@ -33,23 +33,24 @@ spec:
The following table provides the support status for various distros with regards to kOps version: The following table provides the support status for various distros with regards to kOps version:
| Distro | Experimental | Stable | Deprecated | Removed | | Distro | Experimental | Stable | Deprecated | Removed |
| ------------ | -----------: | -----: | ---------: | ------: | |-------------------------------------|-------------:|-------:|-----------:|--------:|
| [Amazon Linux 2](#amazon-linux-2) | 1.10 | 1.18 | - | - | | [Amazon Linux 2](#amazon-linux-2) | 1.10 | 1.18 | - | - |
| [CentOS 7](#centos-7) | - | 1.5 | 1.21 | - | | [CentOS 7](#centos-7) | - | 1.5 | 1.21 | - |
| [CentOS 8](#centos-8) | 1.15 | - | 1.21 | - | | [CentOS 8](#centos-8) | 1.15 | - | 1.21 | - |
| CoreOS | 1.6 | 1.9 | 1.17 | 1.18 | | CoreOS | 1.6 | 1.9 | 1.17 | 1.18 |
| Debian 8 | - | 1.5 | 1.17 | 1.18 | | Debian 8 | - | 1.5 | 1.17 | 1.18 |
| [Debian 9](#debian-9-stretch) | 1.8 | 1.10 | 1.21 | - | | [Debian 9](#debian-9-stretch) | 1.8 | 1.10 | 1.21 | - |
| [Debian 10](#debian-10-buster) | 1.13 | 1.17 | - | - | | [Debian 10](#debian-10-buster) | 1.13 | 1.17 | - | - |
| [Debian 11](#debian-11-bullseye) | 1.21.1 | - | - | - | | [Debian 11](#debian-11-bullseye) | 1.21.1 | - | - | - |
| [Flatcar](#flatcar) | 1.15.1 | 1.17 | - | - | | [Flatcar](#flatcar) | 1.15.1 | 1.17 | - | - |
| [Kope.io](#kopeio) | - | - | 1.18 | - | | [Kope.io](#kopeio) | - | - | 1.18 | - |
| [RHEL 7](#rhel-7) | - | 1.5 | 1.21 | - | | [RHEL 7](#rhel-7) | - | 1.5 | 1.21 | - |
| [RHEL 8](#rhel-8) | 1.15 | 1.18 | - | - | | [RHEL 8](#rhel-8) | 1.15 | 1.18 | - | - |
| Ubuntu 16.04 | 1.5 | 1.10 | 1.17 | 1.20 | | [RHEL 8](#rhel-8) | 1.15 | 1.18 | - | - |
| [Ubuntu 18.04](#ubuntu-1804-bionic) | 1.10 | 1.16 | 1.21 | - | | Ubuntu 16.04 | 1.5 | 1.10 | 1.17 | 1.20 |
| [Ubuntu 20.04](#ubuntu-2004-focal) | 1.16.2 | 1.18 | - | - | | [Ubuntu 18.04](#ubuntu-1804-bionic) | 1.10 | 1.16 | - | - |
| [Ubuntu 20.04](#ubuntu-2004-focal) | 1.16.2 | 1.18 | - | - |
## Supported Distros ## Supported Distros
@ -136,6 +137,20 @@ aws ec2 describe-images --region us-east-1 --output table \
--filters "Name=name,Values=RHEL-8.*x86_64*" --filters "Name=name,Values=RHEL-8.*x86_64*"
``` ```
### 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-*"
```
### Ubuntu 20.04 (Focal) ### Ubuntu 20.04 (Focal)
Ubuntu 20.04 is based on Kernel version **5.4** which fixes all the known major Kernel bugs. Ubuntu 20.04 is based on Kernel version **5.4** which fixes all the known major Kernel bugs.
@ -224,22 +239,6 @@ aws ec2 describe-images --region us-east-1 --output table \
--filters "Name=name,Values=RHEL-7.*x86_64*" --filters "Name=name,Values=RHEL-7.*x86_64*"
``` ```
### Ubuntu 18.04 (Bionic)
Ubuntu 18.04 is based on Kernel version **4.15** which has a number of known bugs that affect it and which may be noticed with larger clusters:
* [kubernetes/kubernetes#56903](https://github.com/kubernetes/kubernetes/issues/56903)
* [kubernetes/kubernetes#67577](https://github.com/kubernetes/kubernetes/issues/67577)
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 ## Owner aliases
kOps supports owner aliases for the official accounts of supported distros: kOps supports owner aliases for the official accounts of supported distros:

2
docs/releases/1.23-NOTES.md
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@ -28,8 +28,6 @@ managed subnets will be configured to launch instances with Resource Based Names
* Support for Ubuntu 16.04 (Xenial) has been removed. * Support for Ubuntu 16.04 (Xenial) has been removed.
* Support for Ubuntu 18.04 (Bionic) has been removed.
* Cilium now has `disable-cnp-status-updates: true` by default. Set this to false if you rely on the CiliumNetworkPolicy status fields. * Cilium now has `disable-cnp-status-updates: true` by default. Set this to false if you rely on the CiliumNetworkPolicy status fields.
# Required actions # Required actions

1
util/pkg/distributions/distributions.go
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@ -39,6 +39,7 @@ type Distribution struct {
var ( var (
DistributionDebian10 = Distribution{packageFormat: "deb", project: "debian", id: "buster", version: 10} DistributionDebian10 = Distribution{packageFormat: "deb", project: "debian", id: "buster", version: 10}
DistributionDebian11 = Distribution{packageFormat: "deb", project: "debian", id: "bullseye", version: 11} DistributionDebian11 = Distribution{packageFormat: "deb", project: "debian", id: "bullseye", version: 11}
DistributionUbuntu1804 = Distribution{packageFormat: "deb", project: "ubuntu", id: "bionic", version: 18.04}
DistributionUbuntu2004 = Distribution{packageFormat: "deb", project: "ubuntu", id: "focal", version: 20.04} DistributionUbuntu2004 = Distribution{packageFormat: "deb", project: "ubuntu", id: "focal", version: 20.04}
DistributionUbuntu2010 = Distribution{packageFormat: "deb", project: "ubuntu", id: "groovy", version: 20.10} DistributionUbuntu2010 = Distribution{packageFormat: "deb", project: "ubuntu", id: "groovy", version: 20.10}
DistributionUbuntu2104 = Distribution{packageFormat: "deb", project: "ubuntu", id: "hirsute", version: 21.04} DistributionUbuntu2104 = Distribution{packageFormat: "deb", project: "ubuntu", id: "hirsute", version: 21.04}

2
util/pkg/distributions/identify.go
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@ -54,6 +54,8 @@ func FindDistribution(rootfs string) (Distribution, error) {
return DistributionDebian10, nil return DistributionDebian10, nil
case "debian-11": case "debian-11":
return DistributionDebian11, nil return DistributionDebian11, nil
case "ubuntu-18.04":
return DistributionUbuntu1804, nil
case "ubuntu-20.04": case "ubuntu-20.04":
return DistributionUbuntu2004, nil return DistributionUbuntu2004, nil
case "ubuntu-20.10": case "ubuntu-20.10":

4
util/pkg/distributions/identify_test.go
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@ -96,8 +96,8 @@ func TestFindDistribution(t *testing.T) {
}, },
{ {
rootfs: "ubuntu1804", rootfs: "ubuntu1804",
err: fmt.Errorf("unsupported distro: ubuntu-18.04"), err: nil,
expected: Distribution{}, expected: DistributionUbuntu1804,
}, },
{ {
rootfs: "ubuntu2004", rootfs: "ubuntu2004",