create dpkg and iso workflows (#1941)

* create dpkg workflow

* run workflow on this branch for now

* fix formatting

* install dependencies

* add debhelper

* fix upload

* add iso build

* fix syntax error

* docker buildx

* cache key

* pureos specific dependencies

* Update pureos-iso.yaml

* Update pureos-iso.yaml

* allow downgrades

* enable kvm

* no fakemachine

* disable kvm

* use pureos debspawn

* apt update still

* sudo

* with init

* use debspawn 0.6.0

* fix download link

.github/workflows/debian.yaml

@@ -0,0 +1,52 @@
+name: Debian Package
+
+on:
+  workflow_call:
+  workflow_dispatch:
+
+env:
+  NODEJS_VERSION: '16'
+
+jobs:
+  dpkg:
+    name: Build dpkg
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+      with:
+        repository: Start9Labs/embassy-os-deb
+    
+    - uses: actions/setup-node@v3
+      with:
+        node-version: ${{ env.NODEJS_VERSION }}
+    
+    - name: Get npm cache directory
+      id: npm-cache-dir
+      run: |
+        echo "dir=$(npm config get cache)" >> $GITHUB_OUTPUT
+    - uses: actions/cache@v3
+      id: npm-cache
+      with:
+        path: ${{ steps.npm-cache-dir.outputs.dir }}
+        key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
+        restore-keys: |
+          ${{ runner.os }}-node-
+
+    - name: Install dependencies
+      run: |
+        sudo apt-get update
+        sudo apt-get install debmake debhelper-compat
+
+    - name: Set up QEMU
+      uses: docker/setup-qemu-action@v2
+      
+    - name: Set up Docker Buildx        
+      uses: docker/setup-buildx-action@v2
+
+    - name: Run build
+      run: "make VERSION=0.3.x TAG=${{ github.ref_name }}"
+
+    - uses: actions/upload-artifact@v3
+      with:
+        name: deb
+        path: embassyos_0.3.x-1_amd64.deb

.github/workflows/pureos-iso.yaml

@@ -0,0 +1,64 @@
+name: PureOS Based ISO
+
+on:
+  workflow_call:
+  workflow_dispatch:
+  push:
+    branches:
+    - master
+    - next
+    - feature/iso-ci
+
+jobs:
+  dpkg:
+    uses: ./.github/workflows/debian.yaml
+
+  iso:
+    name: Build iso
+    runs-on: ubuntu-22.04
+    needs: [dpkg]
+    steps:
+    - uses: actions/checkout@v3
+      with:
+        repository: Start9Labs/eos-image-recipes
+
+    - name: Install dependencies
+      run: |
+        sudo apt update
+        wget http://ftp.us.debian.org/debian/pool/main/d/debspawn/debspawn_0.6.0-1.1_all.deb
+        sha256sum ./debspawn_0.6.0-1.1_all.deb | grep 6cdb444844825b82ef388378f2c508fd8886f79a49800d4547a353ea6772d493
+        sudo apt-get install -y ./debspawn_0.6.0-1.1_all.deb
+        wget https://repo.pureos.net/pureos/pool/main/d/debootstrap/debootstrap_1.0.125pureos1_all.deb
+        sudo apt-get install -y --allow-downgrades ./debootstrap_1.0.125pureos1_all.deb
+        wget https://repo.pureos.net/pureos/pool/main/p/pureos-archive-keyring/pureos-archive-keyring_2021.11.0_all.deb
+        sudo apt-get install -y ./pureos-archive-keyring_2021.11.0_all.deb
+
+    - name: Configure debspawn
+      run: |
+        sudo mkdir -p /etc/debspawn/
+        echo "AllowUnsafePermissions=true" | sudo tee /etc/debspawn/global.toml
+
+    - uses: actions/cache@v3
+      with:
+        path: /var/lib/debspawn
+        key: ${{ runner.os }}-debspawn-init-byzantium
+
+    - name: Make build container
+      run: "debspawn list | grep byzantium || debspawn create --with-init byzantium"
+
+    - run: "mkdir -p overlays/vendor/root"
+
+    - name: Download dpkg
+      uses: actions/download-artifact@v3
+      with:
+        name: deb
+        path: overlays/vendor/root
+
+    - name: Run build
+      run: |
+        ./run-local-build.sh --no-fakemachine byzantium none custom "" true
+
+    - uses: actions/upload-artifact@v3
+      with:
+        name: iso
+        path: results/*.iso

backend/src/os_install.rs

@@ -279,6 +279,46 @@ pub async fn execute(
         .arg(&disk.logicalname)
         .invoke(crate::ErrorKind::Unknown) // TODO grub
         .await?;
+    let kern_version = String::from_utf8(
+        Command::new("uname")
+            .arg("-r")
+            .invoke(crate::ErrorKind::Unknown) // TODO kernel
+            .await?,
+    )?;
+    let root_uuid = String::from_utf8(
+        Command::new("grub-probe")
+            .arg("-d")
+            .arg("-target=fs_uuid")
+            .arg(&root_part)
+            .invoke(crate::ErrorKind::Unknown)
+            .await?,
+    )?;
+    tokio::fs::write(
+        current.join("boot/kexec_default.1.txt"),
+        format!(
+            concat!(
+                "Debian GNU/Linux|",
+                "elf|",
+                "kernel /vmlinuz-{kern_version}|",
+                "initrd /initrd.img-{kern_version}|",
+                "append root=UUID={root_uuid} ro boot=embassy quiet splash",
+            ),
+            kern_version = &kern_version,
+            root_uuid = &root_uuid,
+        )
+        .as_bytes(),
+    )
+    .await?;
+    tokio::fs::write(
+        current.join("boot/kexec_default_hashes.txt"),
+        Command::new("sha256sum")
+            .arg(format!("./vmlinuz-{}", kern_version))
+            .arg(format!("./initrd.img-{}", kern_version))
+            .current_dir(current.join("boot"))
+            .invoke(crate::ErrorKind::Filesystem)
+            .await?,
+    )
+    .await?;
 
     dev.unmount().await?;
     sys.unmount().await?;