[CI] issue: HPCINFRA-4016 Optimize compiler step

The compiler step currently takes a long time to run (about 20–40 minutes).
Add a Dockerfile that copies the compiler modulefiles locally.
Run the compiler step on this image to avoid NFS access and reduce the step duration.

Signed-off-by: Noam Tsemah <[email protected]>

Author: ntsemah

.ci/dockerfiles/Dockerfile.rhel8.6.compiler

@@ -0,0 +1,14 @@
+ARG ARCH=x86_64
+ARG HARBOR_URL=nbu-harbor.gtm.nvidia.com
+FROM ${HARBOR_URL}/hpcx/${ARCH}/rhel8.6/builder:inbox
+
+ARG compiler_list="dev/clang-9.0.1 intel/ics-18.0.4 intel/ics-19.1.1 dev/gcc-8.3.0 dev/gcc-9.3.0 dev/gcc-10.1.0"
+
+# Copy required compiler modulefiles
+RUN mkdir -p /opt/local/modulefiles/dev /opt/local/modulefiles/intel && \
+    for module in ${compiler_list}; do \
+        cp -r /hpc/local/etc/modulefiles/$module /opt/local/modulefiles/$module; \
+    done
+
+# Set MODULEPATH to search local modulefiles first
+ENV MODULEPATH=/opt/local/modulefiles

.ci/matrix_job.yaml

@@ -180,6 +180,15 @@ runs_on_dockers:
      category: 'tool',
      build_args: '--no-cache --target build',
     }
+  - {
+     file: '.ci/dockerfiles/Dockerfile.rhel8.6.compiler',
+     arch: 'x86_64',
+     name: 'compiler',
+     uri: 'xlio/$arch/rhel8.6/$name',
+     tag: '20251106',
+     build_args: '--no-cache',
+     category: 'tool',
+    }
 
 runs_on_agents:
   - {nodeLabel: 'beni09', category: 'base'}
@@ -222,12 +231,12 @@ steps:
       - "{nodeLabel: 'skip-agent'}"
     run: |
       echo "Installing DOCA: ${DOCA_VERSION} ..."
-      .ci/scripts/doca_install.sh 
+      .ci/scripts/doca_install.sh
 
   - name: Install Doca-host on Tools
     run: |
       echo "Installing DOCA: ${DOCA_VERSION} ..."
-      .ci/scripts/doca_install.sh 
+      .ci/scripts/doca_install.sh
     containerSelector:
       - "{name: 'style', category: 'tool', variant: 1}"
     agentSelector:
@@ -323,7 +332,7 @@ steps:
   - name: Compiler
     enable: ${do_compiler}
     containerSelector:
-      - "{name: 'toolbox', category: 'tool'}"
+      - "{name: 'compiler', category: 'tool'}"
     agentSelector:
       - "{nodeLabel: 'skip-agent'}"
     run: |