From a94f9a945748260fe688da7f99b7f6b75121b265 Mon Sep 17 00:00:00 2001
From: Adonis Ling <adonis0147@gmail.com>
Date: Tue, 22 Oct 2024 20:00:23 +0800
Subject: [PATCH] Test old kernel

---
 .cirrus.yml                      | 71 --------------------------------
 .github/qemu/downgrade-kernel.sh |  9 ++++
 .github/workflows/build.yml      | 48 ++++++++-------------
 3 files changed, 27 insertions(+), 101 deletions(-)
 delete mode 100644 .cirrus.yml
 create mode 100755 .github/qemu/downgrade-kernel.sh

diff --git a/.cirrus.yml b/.cirrus.yml
deleted file mode 100644
index a87182b..0000000
--- a/.cirrus.yml
+++ /dev/null
@@ -1,71 +0,0 @@
-build_packages_task:
-  only_if: ${CIRRUS_TAG} == ''
-  timeout_in: 120m
-
-  compute_engine_instance:
-    platform: linux
-    cpu: 4
-    memory: 8G
-    image_project: cirrus-images
-    matrix:
-      - name: 'Linux x86_64'
-        image: family/docker-builder
-      - name: 'Linux aarch64'
-        image: family/docker-builder-arm64
-        architecture: arm64
-
-  clone_script: |
-    git clone -b "${CIRRUS_BRANCH}" https://github.com/adonis0147/devel-env
-    cd devel-env
-    git fetch --tags
-
-  prepare_script: |
-    uname -a
-
-    cd devel-env
-
-    while read -r tag; do
-      url="https://github.com/adonis0147/devel-env/releases/download/${tag}/install_toolchain_$(uname -m).sh"
-      if curl --silent --head --fail -L "${url}" -o /dev/null; then
-        break
-      fi
-    done < <(git tag --sort=creatordate | tac)
-
-    echo "Download the toolchain from ${url}"
-    curl -L "${url}" -o devel/scripts/install_toolchain.sh
-    chmod a+x devel/scripts/install_toolchain.sh
-
-    devel/downloads/download_packages.sh
-
-    # Don't install llvm
-    sed -i '/function install_packages/,/^}/ s/llvm//' devel/scripts/install.sh
-
-    if [[ "$(uname -m)" != 'x86_64' ]]; then
-      # Don't install neovim
-      sed -i '/function install_packages/,/^}/ s/neovim//' devel/scripts/install.sh
-    fi
-
-    # Don't install zsh
-    sed -i '/function install_packages/,/^}/ s/zsh//' devel/scripts/install.sh
-
-  script: |
-    if [[ "$(uname -m)" == 'x86_64' ]]; then
-      cmd="sed -i -e 's|mirrorlist=|#mirrorlist=|' -e 's|#baseurl=http://mirror.centos.org/centos/\$releasever|baseurl=https://vault.centos.org/7.9.2009|' /etc/yum.repos.d/CentOS-Base.repo"
-    else
-      cmd="sed -i -e 's|mirrorlist=|#mirrorlist=|' -e 's|#baseurl=http://mirror.centos.org/altarch|baseurl=https://vault.centos.org/altarch|' /etc/yum.repos.d/CentOS-Base.repo"
-    fi
-
-    cat >>Dockerfile <<EOF
-    FROM centos:7
-    RUN ${cmd}
-    RUN yum install -y xz file make gettext texinfo
-
-    RUN mkdir /devel-env
-    WORKDIR /devel-env
-
-    CMD ["/bin/bash"]
-    EOF
-
-    docker build -t packages .
-    docker run --rm --mount=type=bind,source="$(pwd)/devel-env",target=/devel-env packages \
-      bash -c 'cd devel/scripts; bash install.sh'
diff --git a/.github/qemu/downgrade-kernel.sh b/.github/qemu/downgrade-kernel.sh
new file mode 100755
index 0000000..147d02d
--- /dev/null
+++ b/.github/qemu/downgrade-kernel.sh
@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+curl -LO 'https://vault.centos.org/7.0.1406/updates/x86_64/Packages/linux-firmware-20140804-0.1.git6bce2b0.el7_0.noarch.rpm'
+rpm -ivh --oldpackage linux-firmware-20140804-0.1.git6bce2b0.el7_0.noarch.rpm
+
+curl -LO 'https://vault.centos.org/7.0.1406/updates/x86_64/Packages/kernel-3.10.0-123.1.2.el7.x86_64.rpm'
+rpm -ivh --oldpackage kernel-3.10.0-123.1.2.el7.x86_64.rpm
+
+reboot
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e7a79ed..72d6c52 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,6 +1,6 @@
 name: Build Packages on Centos 7 (old kernel)
 
-on: workflow_dispatch
+on: push
 
 jobs:
   build:
@@ -12,12 +12,7 @@ jobs:
 
       - name: Install prerequisites
         run: |
-          sudo apt install qemu-system libvirt-daemon libvirt-daemon-system cloud-image-utils virtinst
-
-          sudo mkdir -p /etc/qemu
-          echo 'allow virbr0' >bridge.conf
-          sudo mv bridge.conf /etc/qemu/
-          sudo chmod u+s /usr/lib/qemu/qemu-bridge-helper
+          sudo apt install qemu-system cloud-image-utils
 
           cd .github/qemu
 
@@ -26,32 +21,25 @@ jobs:
 
           cloud-localds cloud-init.iso cloud-init/user-data.yaml cloud-init/meta-data.yaml
 
-          virt-install \
-            --name centos \
-            --osinfo centos7 \
-            --vcpus "$(nproc)" \
-            --memory 7168 \
-            --disk "$(pwd)"/cloud-init.iso,device=cdrom \
-            --disk "$(pwd)"/CentOS-7-x86_64-GenericCloud.qcow2,device=disk \
-            --network bridge=virbr0,model=virtio \
-            --nographic \
-            --noautoconsole \
-            --import
-
-          while true; do
-            content="$(sudo virsh net-dhcp-leases default)"
-            if [[ -n "$(echo "${content}" | sed -n '3,$ p')" ]]; then
-              break
-            fi
-            echo "${content}"
+          nohup qemu-system-x86_64 \
+            -accel tcg \
+            -smp "$(nproc)" \
+            -m 7G \
+            -drive if=virtio,format=qcow2,file=CentOS-7-x86_64-GenericCloud.qcow2 \
+            -cdrom cloud-init.iso \
+            -nic user,model=virtio-net-pci,hostfwd=tcp::2222-:22 \
+            -nographic &>/dev/null &
+
+          chmod 600 "$(pwd)"/cloud-init/ssh/id_rsa
+          while ! scp -o StrictHostKeyChecking=no -i "$(pwd)"/cloud-init/ssh/id_rsa -P 2222 "$(pwd)"/downgrade-kernel.sh centos@127.0.0.1:~/; do
+            echo 'Retry...'
             sleep 1
           done
 
+          ssh -o StrictHostKeyChecking=no -i "$(pwd)"/cloud-init/ssh/id_rsa -p 2222 -n centos@127.0.0.1 'sudo bash downgrade-kernel.sh'
+
       - name: Build
         run: |
-          ip="$(sudo virsh net-dhcp-leases default | sed -n '3,$ p' | awk '{print $5}')"
-          ip="${ip%/24}"
-
           ref="${{ github.ref_name }}"
 
           cat >build.sh <<EOF
@@ -103,10 +91,10 @@ jobs:
           EOF
 
           chmod 600 "$(pwd)"/.github/qemu/cloud-init/ssh/id_rsa
-          while ! scp -o StrictHostKeyChecking=no -i "$(pwd)"/.github/qemu/cloud-init/ssh/id_rsa build.sh centos@"${ip}":~/; do
+          while ! scp -o StrictHostKeyChecking=no -i "$(pwd)"/.github/qemu/cloud-init/ssh/id_rsa -P 2222 build.sh centos@127.0.0.1:~/; do
             echo 'Retry...'
             sleep 1
           done
 
-          ssh -o StrictHostKeyChecking=no -i "$(pwd)"/.github/qemu/cloud-init/ssh/id_rsa -n centos@"${ip}" 'bash -x build.sh'
+          ssh -o StrictHostKeyChecking=no -i "$(pwd)"/.github/qemu/cloud-init/ssh/id_rsa -p 2222 -n centos@127.0.0.1 'bash -x build.sh'