Address review comments

Signed-off-by: Alexey Rivkin <[email protected]>

Author: Alexey-Rivkin

.ci/jenkins/lib/build-matrix.yaml

@@ -40,14 +40,14 @@ kubernetes:
 runs_on_dockers:
   - {
       file: "contrib/Dockerfile",
-      name: "ubuntu24.04-nixl-base",
+      name: "ubuntu24.04-$arch-nixl-base",
       uri: "$arch/$name",
       tag: "20251103",
       build_args: "--target nixl-base --build-arg ARCH=$arch"
     }
   - {
       file: "contrib/Dockerfile",
-      name: "ubuntu22.04-nixl-base",
+      name: "ubuntu22.04-$arch-nixl-base",
       uri: "$arch/$name",
       tag: "20251103",
       build_args: "--target nixl-base --build-arg ARCH=$arch --build-arg BASE_IMAGE_TAG=24.10-cuda12.6-devel-ubuntu22.04"

.gitlab/build.sh

@@ -56,7 +56,7 @@ ARCH=$(uname -m)
 # Skip dependency installation if running in pre-built nixl-base image
 if [ -n "${NIXL_BASE_IMAGE_ENV}" ]; then
     # Use pre-installed libfabric from base image
-    LIBFABRIC_INSTALL_DIR=${LIBFABRIC_INSTALL_DIR:-/usr/local}
+    LIBFABRIC_INSTALL_DIR=/usr/local
 else
 
 # Some docker images are with broken installations: