kata-deploy: restore versions.yaml installation on host nodes

Since the switch to per-component tarballs, versions.yaml was no longer
installed on host nodes by kata-deploy (DaemonSet/Helm). Previously it
was bundled into the merged kata-static.tar.zst; now it must be shipped
explicitly.

Signed-off-by: Fabiano Fidêncio <ffidencio@nvidia.com>

tools/packaging/kata-deploy/Dockerfile

@@ -18,6 +18,7 @@ RUN apk add --no-cache util-linux-misc zstd
 COPY ${KATA_ARTIFACTS_DIR}/kata-static-*.tar.zst ${DESTINATION}/tarballs/
 COPY ${KATA_ARTIFACTS_DIR}/kata-deploy-static-*.tar.zst ${DESTINATION}/tarballs/
 COPY tools/packaging/kata-deploy/shim-components.json ${DESTINATION}/
+COPY versions.yaml ${DESTINATION}/
 
 RUN \
 	mkdir -p /opt/prebuilt && \

tools/packaging/kata-deploy/binary/src/artifacts/install.rs

@@ -106,6 +106,7 @@ pub async fn install_artifacts(config: &Config, container_runtime: &str) -> Resu
 
     let mut extracted: HashSet<String> = HashSet::new();
     extract_component_tarballs(config, &mut extracted)?;
+    install_versions_yaml(config)?;
 
     set_executable_permissions(&config.host_install_dir)?;
 
@@ -435,6 +436,9 @@ fn copy_artifacts(src: &str, dst: &str) -> Result<()> {
     Ok(())
 }
 
+/// Path to the versions.yaml file inside the kata-deploy container image.
+const VERSIONS_YAML_PATH: &str = "/opt/kata-artifacts/versions.yaml";
+
 /// Path to the shim-components.json manifest inside the kata-deploy container image.
 const SHIM_COMPONENTS_PATH: &str = "/opt/kata-artifacts/shim-components.json";
 
@@ -645,6 +649,32 @@ fn extract_tarball(tarball_path: &Path, dest_dir: &str) -> Result<()> {
     Ok(())
 }
 
+/// Copy versions.yaml from the kata-deploy image into the host installation directory.
+///
+/// versions.yaml was previously included in the merged kata-static.tar.zst tarball.
+/// After the switch to per-component tarballs, it must be copied explicitly.
+fn install_versions_yaml(config: &Config) -> Result<()> {
+    let src = Path::new(VERSIONS_YAML_PATH);
+    if !src.exists() {
+        log::warn!(
+            "versions.yaml not found at {}; skipping installation",
+            VERSIONS_YAML_PATH
+        );
+        return Ok(());
+    }
+
+    let dest = Path::new(&config.host_install_dir).join("versions.yaml");
+    fs::copy(src, &dest).with_context(|| {
+        format!(
+            "Failed to copy versions.yaml from {} to {}",
+            src.display(),
+            dest.display()
+        )
+    })?;
+    info!("Installed versions.yaml to {}", dest.display());
+    Ok(())
+}
+
 /// Select and extract the component tarballs required for the configured shims.
 ///
 /// Shared components (e.g. kernel, shim-v2-go) are listed by multiple shims.