Remove focal suppor

Author: n0vad3v

.github/workflows/build.yml

@@ -4,9 +4,9 @@ on:
   workflow_dispatch:
     inputs:
       github-runner-version:
-        description: 'Version on github runner(in https://github.com/actions/runner), e.g: 2.322.0'
+        description: 'Version on github runner(in https://github.com/actions/runner), e.g: 2.328.0'
         required: true
-        default: '2.322.0'
+        default: '2.328.0'
 
 jobs:
   build-images:
@@ -15,7 +15,7 @@ jobs:
       fail-fast: true
       matrix:
         platform: [amd64, arm64]
-        code_name: [focal, jammy, noble]
+        code_name: [jammy, noble]
 
     steps:
       - uses: actions/checkout@v4
@@ -94,14 +94,11 @@ jobs:
 
       - name: Combine two images on GHCR and sync to DockerHub
         run: |
-          docker manifest create ghcr.io/${{ github.repository }}:focal-${{ github.event.inputs.github-runner-version }} --amend ghcr.io/${{ github.repository }}:focal-${{ github.event.inputs.github-runner-version }}-amd64 --amend ghcr.io/${{ github.repository }}:focal-${{ github.event.inputs.github-runner-version }}-arm64
-          docker manifest push ghcr.io/${{ github.repository }}:focal-${{ github.event.inputs.github-runner-version }}
           docker manifest create ghcr.io/${{ github.repository }}:jammy-${{ github.event.inputs.github-runner-version }} --amend ghcr.io/${{ github.repository }}:jammy-${{ github.event.inputs.github-runner-version }}-amd64 --amend ghcr.io/${{ github.repository }}:jammy-${{ github.event.inputs.github-runner-version }}-arm64
           docker manifest push ghcr.io/${{ github.repository }}:jammy-${{ github.event.inputs.github-runner-version }}
           docker manifest create ghcr.io/${{ github.repository }}:noble-${{ github.event.inputs.github-runner-version }} --amend ghcr.io/${{ github.repository }}:noble-${{ github.event.inputs.github-runner-version }}-amd64 --amend ghcr.io/${{ github.repository }}:noble-${{ github.event.inputs.github-runner-version }}-arm64
           docker manifest push ghcr.io/${{ github.repository }}:noble-${{ github.event.inputs.github-runner-version }}
 
-          ./regctl-linux-amd64 image copy ghcr.io/${{ github.repository }}:focal-${{ github.event.inputs.github-runner-version }} ${{ github.repository }}:focal-${{ github.event.inputs.github-runner-version }} -v info
           ./regctl-linux-amd64 image copy ghcr.io/${{ github.repository }}:jammy-${{ github.event.inputs.github-runner-version }} ${{ github.repository }}:jammy-${{ github.event.inputs.github-runner-version }} -v info
           ./regctl-linux-amd64 image copy ghcr.io/${{ github.repository }}:noble-${{ github.event.inputs.github-runner-version }} ${{ github.repository }}:noble-${{ github.event.inputs.github-runner-version }} -v info
           

README.md

@@ -6,8 +6,6 @@ No Operator, No CRD, No need to blindly apply a `yml` to K8s cluster, only a sim
 
 This repo provides the following images, both are Multi-Arch(amd64/arm64 supported):
 
-- `knatnetwork/github-runner:focal-<tag>`
-- `ghcr.io/knatnetwork/github-runner:focal-<tag>`
 - `knatnetwork/github-runner:jammy-<tag>`
 - `ghcr.io/knatnetwork/github-runner:jammy-<tag>`
 - `knatnetwork/github-runner:noble-<tag>`
@@ -18,7 +16,6 @@ This repo provides the following images, both are Multi-Arch(amd64/arm64 support
 
 ## Specs
 
-- `github-runner:focal-<tag>` images are based on Ubuntu 20.04
 - `github-runner:jammy-<tag>` images are based on Ubuntu 22.04
 - `github-runner:noble-<tag>` images are based on Ubuntu 24.04
 - `github-runner:latest` images are latest image of `github-runner:noble-<tag>`

focal-amd64/Dockerfile

@@ -1,4 +1,4 @@
-FROM ubuntu:20.04 as env
+FROM ubuntu:22.04 as env
 
 ARG GITHUB_RUNNER_VERSION=2.286.1
 ARG DEBIAN_FRONTEND=noninteractive
@@ -10,7 +10,7 @@ RUN wget https://github.com/actions/runner/releases/download/v${GITHUB_RUNNER_VE
     && sed -i '3,9d' ./config.sh \
     && sed -i '3,8d' ./run.sh
 
-FROM ubuntu:20.04 as runner
+FROM ubuntu:22.04 as runner
 
 ARG DEBIAN_FRONTEND=noninteractive
 ENV KMS_SERVER_ADDR ""