Use own runs-on instead of GitHub Hosted runners

Author: yuravk

.github/actions/shared-steps/action.yml

@@ -249,7 +249,7 @@ runs:
         esac
 
     - name: Check nested virtualization support
-      if: inputs.arch == 'x86_64' && inputs.type != 'vagrant_virtualbox' && inputs.type != 'vagrant_vmware'
+      if: inputs.arch == 'x86_64' && inputs.type != 'vagrant_virtualbox' && inputs.type != 'vagrant_vmware' && inputs.runner != 'aws-ec2'
       shell: bash
       run: |
         # Check nested virtualization support

.github/runs-on.yml

@@ -0,0 +1 @@
+_extends: .github

.github/workflows/build.yml

@@ -177,7 +177,7 @@ jobs:
     name: ${{ matrix.variant }} ${{ matrix.matrix_gh }} image
     needs: [init-data]
     if: ${{ needs.init-data.outputs.matrix_gh != '[]' }}
-    runs-on: ubuntu-24.04
+    runs-on: "${{ github.repository_owner == 'AlmaLinux' && format('runs-on={0}/family=c7i.metal-24xl+c7a.metal-48xl+*8gd.metal*/image=ubuntu24-full-x64', github.run_id) || 'ubuntu-24.04' }}"
     strategy:
       fail-fast: false
       matrix:
@@ -234,7 +234,7 @@ jobs:
           upload_to_s3: ${{ inputs.upload_to_s3 }}
           notify_mattermost: ${{ inputs.notify_mattermost }}
           run_test: true # Do image simple testing and generate installed packages list (vagrant_* only)
-          runner: gh_hosted
+          runner: ${{ github.repository_owner == 'AlmaLinux' && 'aws-ec2' || 'gh_hosted' }}
 
   start-self-hosted-runner:
     name: ${{ matrix.variant }} ${{ matrix.matrix_sh }} runner
@@ -279,7 +279,7 @@ jobs:
 
     steps:
     - name: Setup and start runner
-      if: inputs.self_hosted_runner == 'aws-ec2'
+      if: inputs.self_hosted_runner == 'aws-ec2' && github.repository_owner != 'AlmaLinux'
       uses: NextChapterSoftware/ec2-action-builder@v1.10
       with:
         github_token: ${{ secrets.GIT_HUB_TOKEN }}
@@ -307,7 +307,7 @@ jobs:
     name: ${{ matrix.variant }} ${{ matrix.matrix_sh }} image
     if: ${{ inputs.self-hosted && needs.init-data.outputs.matrix_sh != '[]' }}
     needs: [init-data, start-self-hosted-runner]
-    runs-on: ${{ inputs.self_hosted_runner == 'aws-ec2' && github.run_id || matrix.matrix_sh }}
+    runs-on: ${{ github.repository_owner == 'AlmaLinux' && ( contains(matrix.matrix_sh, 'x86_64') && format('runs-on={0}/family=c5n.metal/ami={1}', github.run_id, vars.EC2_AMI_ID_AL9_X86_64 ) || format('runs-on={0}/family=a1.metal/image=almalinux-9-aarch64', github.run_id) ) || ( inputs.self_hosted_runner == 'aws-ec2' && github.run_id || matrix.matrix_sh ) }}
     strategy:
       fail-fast: false
       matrix:
@@ -383,4 +383,4 @@ jobs:
           upload_to_s3: ${{ inputs.upload_to_s3 }}
           notify_mattermost: ${{ inputs.notify_mattermost }}
           run_test: true # Do image simple testing and generate installed packages list (vagrant_* only)
-          runner: self_hosted
+          runner: ${{ github.repository_owner == 'AlmaLinux' && 'aws-ec2' || 'self_hosted' }}