feat: add the new rust-based xen-guest-agent as extension

Adds new rust-based `xen-guest-agent` extension.
Also remove the old `xe-guest-utilities`.

Signed-off-by: Noel Georgi <git@frezbo.dev>

.kres.yaml

@@ -36,7 +36,7 @@ spec:
     - util-linux-tools
     - v4l-uvc-drivers
     - wasmedge
-    - xe-guest-utilities
+    - xen-guest-agent
     - zfs
   additionalTargets:
     nonfree:
@@ -46,6 +46,14 @@ spec:
     - TAG
     - PKGS
     - PKGS_PREFIX
+  makefile:
+    extraVariables:
+      - name: EXTENSIONS_IMAGE_REF
+        defaultValue: $(REGISTRY_AND_USERNAME)/extensions:$(TAG)
+      - name: PKGS
+        defaultValue: v1.7.0-alpha.0-33-g3aacf03
+      - name: PKGS_PREFIX
+        defaultValue: ghcr.io/siderolabs
   useBldrPkgTagResolver: true
 ---
 kind: common.Build
@@ -78,13 +86,6 @@ spec:
   makefile:
     enabled: true
     phony: true
-    variables:
-      - name: EXTENSIONS_IMAGE_REF
-        defaultValue: $(REGISTRY_AND_USERNAME)/extensions:$(TAG)
-      - name: PKGS
-        defaultValue: v1.7.0-alpha.0-33-g3aacf03
-      - name: PKGS_PREFIX
-        defaultValue: ghcr.io/siderolabs
     depends:
       - internal/extensions/descriptions.yaml
     script:

Makefile

@@ -1,6 +1,6 @@
 # THIS FILE WAS AUTOMATICALLY GENERATED, PLEASE DO NOT EDIT.
 #
-# Generated on 2024-03-08T14:57:49Z by kres latest.
+# Generated on 2024-03-08T17:16:57Z by kres latest.
 
 # common variables
 
@@ -48,6 +48,12 @@ COMMON_ARGS += --build-arg=TAG="$(TAG)"
 COMMON_ARGS += --build-arg=PKGS="$(PKGS)"
 COMMON_ARGS += --build-arg=PKGS_PREFIX="$(PKGS_PREFIX)"
 
+# extra variables
+
+EXTENSIONS_IMAGE_REF ?= $(REGISTRY_AND_USERNAME)/extensions:$(TAG)
+PKGS ?= v1.7.0-alpha.0-33-g3aacf03
+PKGS_PREFIX ?= ghcr.io/siderolabs
+
 # targets defines all the available targets
 
 TARGETS = amdgpu-firmware
@@ -83,16 +89,10 @@ TARGETS += usb-modem-drivers
 TARGETS += util-linux-tools
 TARGETS += v4l-uvc-drivers
 TARGETS += wasmedge
-TARGETS += xe-guest-utilities
+TARGETS += xen-guest-agent
 TARGETS += zfs
 NONFREE_TARGETS = nonfree-kmod-nvidia
 
-# extra variables
-
-EXTENSIONS_IMAGE_REF ?= $(REGISTRY_AND_USERNAME)/extensions:$(TAG)
-PKGS ?= v1.7.0-alpha.0-33-g3aacf03
-PKGS_PREFIX ?= ghcr.io/siderolabs
-
 # help menu
 
 export define HELP_MENU_HEADER

guest-agents/vars.yaml

@@ -4,5 +4,5 @@ QEMU_VERSION: 8.2.2
 GLIB_VERSION: 2.80.0
 # renovate: datasource=github-releases extractVersion=^pcre2-(?<version>.*)$ depName=PCRE2Project/pcre2
 PCRE2_VERSION: 10.42
-# renovate: datasource=github-releases extractVersion=^v(?<version>.*)$ depName=xenserver/xe-guest-utilities
-XE_GUEST_UTILITIES_VERSION: 8.4.0
+# renovate: datasource=git-tags depName=https://gitlab.com/xen-project/xen-guest-agent.git
+XEN_GUEST_AGENT_VERSION: 0.4.0

guest-agents/xen-guest-agent/README.md

@@ -0,0 +1,11 @@
+# xen-guest-agent
+
+Adds [xen-guest-agent](https://gitlab.com/xen-project/xen-guest-agent) as system extension.
+
+## Installation
+
+See [Installing Extensions](https://github.com/siderolabs/extensions#installing-extensions).
+
+## Verification
+
+Confirm extension service is running by executing `talosctl service ext-xen-guest-agent`

guest-agents/xen-guest-agent/manifest.yaml

@@ -0,0 +1,10 @@
+version: v1alpha1
+metadata:
+  name: xen-guest-agent
+  version: "$VERSION"
+  author: Jerwin NJ
+  description: |
+    xen-guest-agent communicates information and metrics with the Xen host.
+  compatibility:
+    talos:
+      version: ">= v1.5.0"

guest-agents/xen-guest-agent/pkg.yaml

@@ -0,0 +1,37 @@
+name: xen-guest-agent
+variant: alpine
+shell: /bin/sh
+install:
+  - cargo
+  - xen-dev
+  - clang-dev
+  - llvm-dev
+  - pkgconf
+steps:
+  - env:
+      PKG_CONFIG_PATH: /usr/lib/pkgconfig
+      RUSTFLAGS: '-C target-feature=+crt-static'
+  - sources:
+      - url: https://gitlab.com/xen-project/xen-guest-agent/-/archive/{{ .XEN_GUEST_AGENT_VERSION }}/xen-guest-agent-{{ .XEN_GUEST_AGENT_VERSION }}.tar.gz
+        sha256: 492ba2022b4155b38443ddf34a5bdbb0d72966d0936aab8545b4a135fa69c990
+        sha512: 527611f1d0c4fec81ac44434304f426bb9ebe75ceeaac84a417397ec845da6a225514d6ff8b9dc03b5c27d4fa3b59a47fd1a64276fbf6b492664244796ef483c
+        destination: xe-guest-agent.tar.gz
+    prepare:
+      - |
+        sed -i 's#$VERSION#{{ .VERSION }}#' /pkg/manifest.yaml
+      - |
+        tar -xzvf xe-guest-agent.tar.gz --strip-components=1
+    build:
+      - cargo build --release -F static --target {{ .ARCH }}-alpine-linux-musl
+    install:
+      - |
+        containerRoot=/rootfs/usr/local/lib/containers/xen-guest-agent
+        mkdir -p "$containerRoot"
+        mv target/{{ .ARCH }}-alpine-linux-musl/release/xen-guest-agent "$containerRoot/xen-guest-agent"
+finalize:
+  - from: /rootfs
+    to: /rootfs
+  - from: /pkg/manifest.yaml
+    to: /
+  - from: /pkg/xen-guest-agent.yaml
+    to: /rootfs/usr/local/etc/containers/

guest-agents/xen-guest-agent/vars.yaml

@@ -0,0 +1 @@
+VERSION: "{{ .XEN_GUEST_AGENT_VERSION }}"

guest-agents/xe-guest-utilities/xe-guest-utilities.yaml → guest-agents/xen-guest-agent/xen-guest-agent.yaml

@@ -1,17 +1,13 @@
-name: xe-guest-utilities
+name: xen-guest-agent
 container:
-  entrypoint: ./xe-daemon
+  entrypoint: ./xen-guest-agent
+  # log to stderr
+  args:
+    - -s
   security:
     writeableRootfs: false
     writeableSysfs: true
   mounts:
-  # libs
-  - source: /lib/modules
-    destination: /lib/modules
-    type: bind
-    options:
-      - bind
-      - ro
   # xenbus
   - source: /dev/xen
     destination: /dev/xen

hack/release.toml

@@ -16,6 +16,13 @@ See [Talos Linux documentation](https://www.talos.dev/v1.7/talos-guides/configur
 
 [notes]
 
+    [notes.xen]
+        title = "Xen Guest Agent"
+        description = """\
+Xen guest agent extension is now available. This removes the previous `xe-guest-utilities` extension.
+See [this](https://github.com/xenserver/xe-guest-utilities/issues/118) for more info.
+"""
+
     [notes.updates]
         title = "Component Updates"
         description = """\
@@ -27,7 +34,6 @@ See [Talos Linux documentation](https://www.talos.dev/v1.7/talos-guides/configur
 * Tailscale: 1.60.1
 * nvidia-container-runtime: v1.14.5
 * libnvidia-container: v1.14.5
-* xe-guest-utilities: 8.4.0
 """