ceph-pull-requests: run rbd unit tests when "rbd" label is present

even if the pull request doesn't modify any files owned by @ceph/rbd,
the "rbd" label can be added to opt in to its unit tests

Signed-off-by: Casey Bodley <cbodley@redhat.com>

Author: cbodley

ceph-pull-requests-arm64/build/build

@@ -14,7 +14,11 @@ export BUILD_MAKEOPTS="-j${n_build_jobs}"
 export WITH_CRIMSON=true
 export WITH_RBD_RWL=true
 # exclude run-rbd-unit-tests* for non-rbd pull requests
-if ! pr_matches_codeowner "@ceph/rbd"; then
+if pr_matches_codeowner "@ceph/rbd"; then
+    echo "Pull request changes files owned by @ceph/rbd."
+elif pr_matches_label "rbd"; then
+    echo "Pull request contains rbd label."
+else
     echo "No rbd files changed. No need to run rbd unit tests."
     CHECK_MAKEOPTS+=" -E run-rbd-unit-tests"
 fi

ceph-pull-requests/build/build

@@ -11,7 +11,11 @@ export NPROC=$(nproc)
 export WITH_CRIMSON=true
 export WITH_RBD_RWL=true
 # exclude run-rbd-unit-tests* for non-rbd pull requests
-if ! pr_matches_codeowner "@ceph/rbd"; then
+if pr_matches_codeowner "@ceph/rbd"; then
+    echo "Pull request changes files owned by @ceph/rbd."
+elif pr_matches_label "rbd"; then
+    echo "Pull request contains rbd label."
+else
     echo "No rbd files changed. No need to run rbd unit tests."
     export CHECK_MAKEOPTS="-E run-rbd-unit-tests"
 fi