ci: test agains a number of kernels

Signed-off-by: Federico Vaga <federico.vaga@cern.ch>

.gitlab-ci.yml

@@ -17,12 +17,6 @@ cppcheck:
   script:
     - make cppcheck
 
-build:
-  stage: build
-  script:
-    - yum install -y kernel-devel
-    - KERNELSRC=/usr/src/kernels/*/ make modules
-
 documentation:
   stage: build
   image:
@@ -35,6 +29,28 @@ documentation:
     paths:
       - $EDL_CI_EOS_OUTPUT_DIR
 
+build-centos-7:
+  stage: build
+  variables:
+    KERNELSRC: /usr/src/kernels/*/
+  image:
+    name: gitlab-registry.cern.ch/coht/common-containers/build-centos-7:latest
+  script:
+    - make modules
+
+build-kernel:
+  stage: build
+  allow_failure: true
+  image:
+    name: gitlab-registry.cern.ch/coht/common-containers/build-kernel:latest
+  parallel:
+    matrix:
+      - VERSION: [5.10.149, 5.15.74]
+  script:
+    - source /linux-versions.sh
+    - fetch $VERSION && prepare $VERSION && export LINUX=$(linux $VERSION) && export KERNELSRC=$(linux $VERSION)
+    - make modules
+
 build_dkms_rpm:
   stage: release
   script: