Move DROP_SOURCE_DB process to module file

Author: nwillhoft

nextflow/modules/db_cleanup/drop_source_db.nf

@@ -0,0 +1,34 @@
+// See the NOTICE file distributed with this work for additional information
+// regarding copyright ownership.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+nextflow.enable.dsl=2
+
+process DROP_SOURCE_DB {
+    
+    input:
+    tuple val(job_id), val(db_name)
+
+    script:
+    println "Dropping source database: ${db_name}"
+
+    """
+    echo "Attempting to drop database ${db_name} if it exists..."
+
+    mysql -h $params.target_host -P $params.target_port -u $params.dba_user -p$params.dba_pwd -e "DROP DATABASE IF EXISTS ${db_name};"
+
+    echo "Drop operation complete."
+    """
+
+}

nextflow/workflows/db_cleanup/main.nf

@@ -21,6 +21,7 @@ include { MONITOR_DB_COPY } from '../../modules/db_cleanup/monitor_db_copy.nf'
 include { GENERATE_SQL } from '../../modules/db_cleanup/generate_sql.nf'
 include { COMPRESS_FILE } from '../../modules/db_cleanup/compress_file.nf'
 include { CLEANUP_TMP_DB } from '../../modules/db_cleanup/cleanup_tmp_db.nf'
+include { DROP_SOURCE_DB } from '../../modules/db_cleanup/drop_source_db.nf'
 
 // nf-schema-related modules
 include { validateParameters; paramsSummaryLog; samplesheetToList } from 'plugin/nf-schema'
@@ -95,23 +96,6 @@ process TAR_COMPRESSED_SQL {
     """
 }
 
-process DROP_SOURCE_DB {
-    
-    input:
-    tuple val(job_id), val(db_name)
-
-    script:
-    """
-    echo "Attempting to drop database ${db_name} if it exists..."
-
-    mysql -h $params.target_host -P $params.target_port -u $params.dba_user -p$params.dba_pwd -e "DROP DATABASE IF EXISTS ${db_name};"
-
-    echo "Drop operation complete."
-    """
-
-}
-
-
 workflow {
 
     main: