kola/kernel-replace: Add OS_ID recogntion

See: coreos/coreos-assembler#1245 (comment)

tests/kola/rpm-ostree/kernel-replace

@@ -5,9 +5,7 @@
 ##   # We've seen some OOM when 1024M is used:
 ##   # https://github.com/coreos/fedora-coreos-tracker/issues/1506
 ##   minMemory: 2048
-##   # This test only runs on FCOS due to a problem with skopeo copy on
-##   # RHCOS. See: https://github.com/containers/skopeo/issues/1846
-##   distros: fcos
+##   distros: "fcos rhcos scos"
 ##   # Needs internet access as we fetch files from koji
 ##   # We add the "reprovision" tag here even though we aren't
 ##   # reprovisioning as a hack so that in our pipeline the test
@@ -43,10 +41,14 @@ set -euxo pipefail
 cd $(mktemp -d)
 
 # TODO: It'd be much better to test this via a registry
-image_dir=/var/tmp/fcos
-image=oci:$image_dir
+
+# search for a line starting with ID, assign second field after delimiter
+OS_ID=$(grep '^ID=' /etc/os-release | cut -d "=" -f2)
+
+image_dir=/var/tmp/coreos
+image=oci:${image_dir}
 image_pull=ostree-unverified-image:$image
-tmp_imagedir=/var/tmp/fcos-tmp
+tmp_imagedir=${image_dir}-tmp
 arch=$(arch)
 kver="6.2.9-300.fc38.${arch}"
 
@@ -80,13 +82,13 @@ case "${AUTOPKGTEST_REBOOT_MARK:-}" in
   1)
     # Setup
     # copy the OCI dir to containers-storage for a local build
-    skopeo copy $image containers-storage:localhost/fcos
+    skopeo copy $image containers-storage:localhost/"${OS_ID}"
     rm "${image_dir}" -rf
     td=$(mktemp -d)
     cd ${td}
     version=$(rpm-ostree --version | grep Version)
-cat > Dockerfile << EOF
-FROM localhost/fcos
+cat > Containerfile << EOF
+FROM localhost/"${OS_ID}"
 RUN rpm-ostree cliwrap install-to-root /
 RUN rpm-ostree override replace \
     https://koji.fedoraproject.org/koji/buildinfo?buildID=2178613 && \
@@ -101,12 +103,12 @@ EOF
         3.*) touched_resolv_conf=1; touch /etc/resolv.conf;;
       esac
     fi
-    podman build --net=host -t localhost/fcos-derived --squash .
+    podman build --net=host -t localhost/"${OS_ID}"-derived --squash .
     if test "${touched_resolv_conf}" -eq 1; then
       rm -vf /etc/resolv.conf
     fi
     derived=oci:$image_dir:derived
-    skopeo copy containers-storage:localhost/fcos-derived $derived
+    skopeo copy containers-storage:localhost/"${OS_ID}"-derived $derived
     rpm-ostree --version
     rpm-ostree rebase ostree-unverified-image:$derived
     ostree container image list --repo=/ostree/repo