open_coredump: Add --scylla-build-id CLI option

The script gets the build id on its own but eu-unstrip-ing the core file
and searching for the necessary value in the output. This can be
somewhat lenghthy operation especially on huge core files. Sometimes
(e.g. in tests) the build id is known and can be just provided as an
argument.

Signed-off-by: Pavel Emelyanov <xemul@scylladb.com>

Closes #14574

scripts/open-coredump.sh

@@ -128,6 +128,7 @@ done
 VERBOSE_LEVEL=1
 SCYLLA_S3_RELOC_SERVER_URL="${SCYLLA_S3_RELOC_SERVER_URL:-$SCYLLA_S3_RELOC_SERVER_DEFAULT_URL}"
 SCYLLA_REPO_PATH="${SCYLLA_REPO_PATH}"
+SCYLLA_BUILD_ID="${SCYLLA_BUILD_ID}"
 SCYLLA_GDB_PY_SOURCE="${SCYLLA_GDB_PY_SOURCE:-repo}"
 ARTIFACT_DIR=${ARTIFACT_DIR:-${SCRIPT_NAME}.dir}
 
@@ -163,6 +164,10 @@ do
             SCYLLA_GDB_PY_SOURCE=$2
             shift 2
             ;;
+        "--scylla-build-id"|"-b")
+            SCYLLA_BUILD_ID=$2
+            shift 2
+            ;;
         *)
             echo "error: unrecognized option: $1, see $0 -h for usage" >&2
             exit 1
@@ -207,7 +212,10 @@ case "${SCYLLA_GDB_PY_SOURCE}" in
         ;;
 esac
 
-BUILD_ID=$(eu-unstrip -n --core ${COREFILE} | grep 'scylla$' | cut -f2 -d' ' | cut -f1 -d@)
+BUILD_ID="${SCYLLA_BUILD_ID}"
+if [[ -z "${BUILD_ID}" ]]; then
+    BUILD_ID=$(eu-unstrip -n --core ${COREFILE} | grep 'scylla$' | cut -f2 -d' ' | cut -f1 -d@)
+fi
 
 log "Build id: ${BUILD_ID}"