From ea35dce43c9a2c73a997afdb7a3066086b5c67ee Mon Sep 17 00:00:00 2001
From: hydai <z54981220@gmail.com>
Date: Tue, 26 Nov 2024 10:43:56 +0800
Subject: [PATCH] sysext: add wasmedge recipe

Signed-off-by: hydai <hydai@secondstate.io>
---
 README.md                  | 20 +++++++++++++++++++
 create_wasmedge_sysext.sh  | 40 ++++++++++++++++++++++++++++++++++++++
 release_build_versions.txt |  2 ++
 3 files changed, 62 insertions(+)
 create mode 100755 create_wasmedge_sysext.sh

diff --git a/README.md b/README.md
index 9bb71a8..65c0757 100644
--- a/README.md
+++ b/README.md
@@ -95,6 +95,7 @@ For extensions that are not part of the GitHub Release or which you want to cust
 | `rke2` | released |
 | `keepalived` | build script |
 | `ollama` | released |
+| `wasmedge` | released |
 
 
 ### Consuming the published images
@@ -440,6 +441,25 @@ Note that this configuration can be customized in terms of where Ollama is confi
 
 Please refer to the [Ollama documentation for further details](https://github.com/ollama/ollama/tree/main/docs).
 
+#### WasmEdge
+
+The wasmedge sysext can be configured by using the following snippet:
+
+```
+variant: flatcar
+version: 1.0.0
+storage:
+  files:
+    - path: /opt/extensions/wasmedge-0.14.1-x86-64.raw
+      mode: 0420
+      contents:
+        source: https://github.com/flatcar/sysext-bakery/releases/download/wasmedge-0.14.1-x86-64.raw
+  links:
+    - target: /opt/extensions/wasmedge-0.14.1-x86-64.raw
+      path: /etc/extensions/wasmedge.raw
+      hard: false
+```
+
 ### Building sysext images
 
 To use the build scripts in this repository, the following packages are required:
diff --git a/create_wasmedge_sysext.sh b/create_wasmedge_sysext.sh
new file mode 100755
index 0000000..32e83ac
--- /dev/null
+++ b/create_wasmedge_sysext.sh
@@ -0,0 +1,40 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+export ARCH="${ARCH-x86-64}"
+SCRIPTFOLDER="$(dirname "$(readlink -f "$0")")"
+
+if [ $# -lt 2 ] || [ "$1" = "-h" ] || [ "$1" = "--help" ]; then
+  echo "Usage: $0 VERSION SYSEXTNAME"
+  echo "The script will download the WasmEdge release tar ball (e.g., for 0.14.1) and create a sysext squashfs image with the name SYSEXTNAME.raw in the current folder."
+  echo "A temporary directory named SYSEXTNAME in the current folder will be created and deleted again."
+  echo "All files in the sysext image will be owned by root."
+  echo "To use arm64 pass 'ARCH=arm64' as environment variable (current value is '${ARCH}')."
+  "${SCRIPTFOLDER}"/bake.sh --help
+  exit 1
+fi
+
+VERSION="$1"
+SYSEXTNAME="$2"
+
+# The github release uses different arch identifiers, we map them here
+# and rely on bake.sh to map them back to what systemd expects
+if [ "${ARCH}" = "amd64" ] || [ "${ARCH}" = "x86-64" ]; then
+  ARCH="x86_64"
+elif [ "${ARCH}" = "arm64" ]; then
+  ARCH="aarch64"
+fi
+
+rm -f "WasmEdge-${VERSION}.tar.gz"
+curl -o "WasmEdge-${VERSION}.tar.gz" -fsSL "https://github.com/WasmEdge/WasmEdge/releases/download/${VERSION}/WasmEdge-${VERSION}-ubuntu20.04_${ARCH}.tar.gz"
+rm -rf "${SYSEXTNAME}"
+mkdir -p "${SYSEXTNAME}"
+tar --force-local -xvf "WasmEdge-${VERSION}.tar.gz" -C "${SYSEXTNAME}"
+rm "WasmEdge-${VERSION}.tar.gz"
+mkdir -p "${SYSEXTNAME}"/usr/bin
+mkdir -p "${SYSEXTNAME}"/usr/lib # for .so files
+mv "${SYSEXTNAME}"/"WasmEdge-${VERSION}-Linux"/bin/wasmedge "${SYSEXTNAME}"/usr/bin/
+mv "${SYSEXTNAME}"/"WasmEdge-${VERSION}-Linux"/lib/* "${SYSEXTNAME}"/usr/lib/
+rm -r "${SYSEXTNAME}"/"WasmEdge-${VERSION}-Linux"
+"${SCRIPTFOLDER}"/bake.sh "${SYSEXTNAME}"
+rm -rf "${SYSEXTNAME}"
diff --git a/release_build_versions.txt b/release_build_versions.txt
index 91bd3ee..7716281 100644
--- a/release_build_versions.txt
+++ b/release_build_versions.txt
@@ -30,3 +30,5 @@ nvidia_runtime-v1.16.2
 ollama-0.3.9
 
 containerd-2.0.0
+
+wasmedge-0.14.1