GitHub ci (#24)

* Initial Github CI against linux kernels

* Fixed path for linux-next source

* Added perl-modules to Dockerfile

* Removed some old CI files and tidied things up

* Added CI for linux stable kernel

* Schedule compile checks every Monday morning at 02:00

.github/workflows/kernel-lts.yaml

@@ -0,0 +1,53 @@
+name: DAHDI Kernel CI for LTS kernels
+
+on:
+  schedule:
+    - cron: 00 02 * * 1
+
+jobs:
+  kernel_test:
+    runs-on: ubuntu-latest
+    strategy:
+      max-parallel: 1
+      fail-fast: false
+      matrix:
+        kernel_branch: [
+          'linux-4.14.y',
+          'linux-4.19.y',
+          'linux-5.4.y',
+          'linux-5.10.y',
+          'linux-5.15.y',
+          'linux-6.1.y'
+          ]
+    steps:
+      - name: Cache kernel git repo
+        id: cache-kernel-git
+        uses: actions/cache@v3
+        with:
+          path: ./linux
+          key: kernel-git-cache
+
+      - if: ${{ steps.cache-kernel-git.outputs.cache-hit != 'true' }}
+        name: Clone Kernel repo
+        run: git clone git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
+
+      - name: Update kernel git
+        run: git fetch
+        working-directory: ./linux
+
+      - name: Switch to desired branch
+        run: git checkout ${{matrix.kernel_branch}}
+        working-directory: ./linux
+
+      - name: Fetch dahdi-linux
+        uses: actions/checkout@v3
+        with:
+          path: dahdi-linux
+
+      - name: Create build container
+        run: docker build ./ci  -t dahdi-builder
+        working-directory: ./dahdi-linux
+
+      - name: Build dahdi-linux
+        run: "docker run -v ${PWD}/dahdi-linux:/src -v ${PWD}/linux:/linux dahdi-builder"
+

.github/workflows/kernel-mainline.yaml

@@ -0,0 +1,41 @@
+name: DAHDI Kernel CI for mainline kernel
+
+on:
+  schedule:
+    - cron: 00 02 * * 1
+
+jobs:
+  kernel_test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Cache kernel git repo
+        id: cache-kernel-git
+        uses: actions/cache@v3
+        with:
+          path: ./linux
+          key: kernel-mainline-git-cache
+
+      - if: ${{ steps.cache-kernel-git.outputs.cache-hit != 'true' }}
+        name: Clone Kernel repo
+        run: git clone git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
+
+      - name: Update kernel git
+        run: git fetch
+        working-directory: ./linux
+
+      - name: Switch to desired branch
+        run: git checkout master
+        working-directory: ./linux
+
+      - name: Fetch dahdi-linux
+        uses: actions/checkout@v3
+        with:
+          path: dahdi-linux
+
+      - name: Create build container
+        run: docker build ./ci -t dahdi-builder
+        working-directory: ./dahdi-linux
+
+      - name: Build dahdi-linux
+        run: "docker run -v ${PWD}/dahdi-linux:/src -v ${PWD}/linux:/linux dahdi-builder"
+

.github/workflows/kernel-next.yaml

@@ -0,0 +1,41 @@
+name: DAHDI Kernel CI for linux-next
+
+on:
+  schedule:
+    - cron: 00 02 * * 1
+
+jobs:
+  kernel_test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Cache kernel git repo
+        id: cache-kernel-git
+        uses: actions/cache@v3
+        with:
+          path: ./linux-next
+          key: kernel-next-git-cache
+
+      - if: ${{ steps.cache-kernel-git.outputs.cache-hit != 'true' }}
+        name: Clone Kernel repo
+        run: git clone git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
+
+      - name: Update kernel git
+        run: git fetch
+        working-directory: ./linux-next
+
+      - name: Switch to desired branch
+        run: git checkout master
+        working-directory: ./linux-next
+
+      - name: Fetch dahdi-linux
+        uses: actions/checkout@v3
+        with:
+          path: dahdi-linux
+
+      - name: Create build container
+        run: docker build ./ci -t dahdi-builder
+        working-directory: ./dahdi-linux
+
+      - name: Build dahdi-linux
+        run: "docker run -v ${PWD}/dahdi-linux:/src -v ${PWD}/linux-next:/linux dahdi-builder"
+

.github/workflows/kernel-stable.yaml

@@ -0,0 +1,48 @@
+name: DAHDI Kernel CI for Stable kernel
+
+on:
+  schedule:
+    - cron: 00 02 * * 1
+
+jobs:
+  kernel_test:
+    runs-on: ubuntu-latest
+    strategy:
+      max-parallel: 1
+      fail-fast: false
+      matrix:
+        kernel_branch: [
+          'linux-6.4.y'
+          ]
+    steps:
+      - name: Cache kernel git repo
+        id: cache-kernel-git
+        uses: actions/cache@v3
+        with:
+          path: ./linux
+          key: kernel-git-cache
+
+      - if: ${{ steps.cache-kernel-git.outputs.cache-hit != 'true' }}
+        name: Clone Kernel repo
+        run: git clone git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
+
+      - name: Update kernel git
+        run: git fetch
+        working-directory: ./linux
+
+      - name: Switch to desired branch
+        run: git checkout ${{matrix.kernel_branch}}
+        working-directory: ./linux
+
+      - name: Fetch dahdi-linux
+        uses: actions/checkout@v3
+        with:
+          path: dahdi-linux
+
+      - name: Create build container
+        run: docker build ./ci  -t dahdi-builder
+        working-directory: ./dahdi-linux
+
+      - name: Build dahdi-linux
+        run: "docker run -v ${PWD}/dahdi-linux:/src -v ${PWD}/linux:/linux dahdi-builder"
+

ci/Dockerfile

@@ -0,0 +1,7 @@
+FROM debian:bookworm
+RUN apt-get update
+RUN apt-get -y upgrade
+RUN apt-get -y install gcc make perl-modules
+RUN apt-get -y install flex bison wget libssl-dev libelf-dev bc
+ENTRYPOINT [ "/usr/bin/bash" ]
+

ci/build-dahdi.sh

@@ -0,0 +1,23 @@
+#!/bin/sh
+cd /linux
+echo "### Cleaning Kernel tree"
+echo "  # rm .config"
+rm .config
+
+echo "  # make clean"
+make clean
+echo "### Get kernel version"
+make kernelversion
+echo "### Create defconfig and prepare for module building"
+echo "  # make x86_64_defconfig"
+make x86_64_defconfig
+echo "  # make modules_prepare"
+make modules_prepare
+
+echo "### Building DAHDI modules and installing"
+cd /src
+echo "  # make clean"
+make clean
+echo "  # make install KSRC=/linux"
+make install KSRC=/linux
+