Add wasmCloud recipe

create_wasmcloud_sysext.sh

@@ -0,0 +1,102 @@
+#!/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: $0 VERSION SYSEXTNAME [NATS_VERSION]"
+  echo "The script will download the wasmcloud release (e.g. 0.82.0) and create a sysext squashfs image with the name SYSEXTNAME.raw in the current folder."
+  echo "A temporary directory named SYSEXTNAME in the current folder will be created and deleted again."
+  echo "All files in the sysext image will be owned by root."
+  echo "To use arm64 pass 'ARCH=arm64' as environment variable (current value is '${ARCH}')."
+  "${SCRIPTFOLDER}"/bake.sh --help
+  exit 1
+fi
+
+VERSION="$1"
+SYSEXTNAME="$2"
+NATS_VERSION="${3-latest}"
+
+# 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"
+  GOARCH="amd64"
+elif [ "${ARCH}" = "arm64" ]; then
+  ARCH="aarch64"
+  GOARCH="arm64"
+else
+  echo "Unknown architecture ('${ARCH}') provided, supported values are 'amd64', 'arm64'."
+  exit 1
+fi
+
+rm -rf "${SYSEXTNAME}"
+mkdir -p "${SYSEXTNAME}"/usr/bin
+
+VERSION="v${VERSION#v}"
+curl -o "${SYSEXTNAME}"/usr/bin/wasmcloud -fvSL "https://github.com/wasmcloud/wasmcloud/releases/download/${VERSION}/wasmcloud-${ARCH}-unknown-linux-musl"
+chmod +x "${SYSEXTNAME}"/usr/bin/wasmcloud
+
+# Install NATS
+version="${NATS_VERSION}"
+if [[ "${NATS_VERSION}" == "latest" ]]; then
+  version=$(curl -fvSL https://api.github.com/repos/nats-io/nats-server/releases/latest | jq -r .tag_name)
+  echo "Using latest version: ${version} for NATS Server"
+fi
+version="v${version#v}"
+
+rm -f "nats-server.tar.gz"
+curl -o nats-server.tar.gz -fvSL "https://github.com/nats-io/nats-server/releases/download/${version}/nats-server-${version}-linux-${GOARCH}.tar.gz"
+tar -xf "nats-server.tar.gz" -C "${SYSEXTNAME}"
+mv "${SYSEXTNAME}/nats-server-${version}-linux-${GOARCH}/nats-server" "${SYSEXTNAME}/usr/bin/"
+rm -r "${SYSEXTNAME}/nats-server-${version}-linux-${GOARCH}"
+rm "nats-server.tar.gz"
+
+mkdir -p "${SYSEXTNAME}/usr/lib/systemd/system"
+cat > "${SYSEXTNAME}/usr/lib/systemd/system/wasmcloud.service" <<-'EOF'
+[Unit]
+Description=wasmCloud Host
+Documentation=https://wasmcloud.com/docs/
+After=nats.service network-online.target
+Wants=network-online.target
+Requires=nats.service
+[Service]
+ExecStart=/usr/bin/wasmcloud
+Restart=always
+StartLimitInterval=0
+RestartSec=5
+[Install]
+WantedBy=multi-user.target
+EOF
+
+cat > "${SYSEXTNAME}/usr/lib/systemd/system/nats.service" <<-'EOF'
+[Unit]
+Description=NATS Server
+After=network-online.target systemd-timesyncd.service
+[Service]
+PrivateTmp=true
+Type=simple
+Environment=NATS_CONFIG=/usr/share/nats/nats.conf
+ExecStart=/usr/bin/nats-server --jetstream --config ${NATS_CONFIG}
+ExecReload=/bin/kill -s HUP $MAINPID
+ExecStop=/bin/kill -s SIGINT $MAINPID
+# The nats-server uses SIGUSR2 to trigger using Lame Duck Mode (LDM) shutdown
+KillSignal=SIGUSR2
+# You might want to adjust TimeoutStopSec too.
+[Install]
+WantedBy=multi-user.target
+EOF
+
+mkdir -p "${SYSEXTNAME}/usr/lib/systemd/system/multi-user.target.d"
+{ echo "[Unit]"; echo "Upholds=wasmcloud.service"; } > "${SYSEXTNAME}/usr/lib/systemd/system/multi-user.target.d/10-wasmcloud-service.conf"
+{ echo "[Unit]"; echo "Upholds=nats.service"; } > "${SYSEXTNAME}/usr/lib/systemd/system/multi-user.target.d/10-nats-service.conf"
+
+mkdir -p "${SYSEXTNAME}/usr/share/nats"
+cat > "${SYSEXTNAME}/usr/share/nats/nats.conf" <<-'EOF'
+port: 4222
+monitor_port: 8222
+EOF
+
+RELOAD=1 "${SCRIPTFOLDER}"/bake.sh "${SYSEXTNAME}"
+rm -rf "${SYSEXTNAME}"

release_build_versions.txt

@@ -17,3 +17,5 @@ wasmtime-12.0.0
 wasmtime-13.0.0 # Used in Flatcar wasm OS demo
 wasmtime-17.0.1 # Used in README.md. Update readme when version changes.
 wasmtime-18.0.1
+
+wasmcloud-0.82.0