first commit

inputs

+{
+  "{{ project_name }}.cluster_config": "OnDemand bcs.a2.large img-ubuntu-vpc",
+  "{{ project_name }}.tar_file": "{{ tar_file }}",
+  "{{ project_name }}.disk_size": "200",
+  "{{ project_name }}.docker": "registry-vpc.cn-shanghai.aliyuncs.com/pgx-docker-registry/high_confidence_call_manuscript:v1.4"
+}

tasks/untar.wdl

+task untar {
+
+    File tar_file
+	String docker
+	String cluster_config
+	String disk_size
+
+
+	command <<<
+		nt=$(nproc)
+		tar -zxvf ${tar_file}
+	>>>
+
+	runtime {
+		docker:docker
+    	cluster: cluster_config
+    	systemDisk: "cloud_ssd 40"
+    	dataDisk: "cloud_ssd " + disk_size + " /cromwell_root/" 
+	}
+
+	output {
+		Array[File] fastq_file = glob("*.fastq.gz")
+	}
+}

workflow.wdl

+import "./tasks/untar.wdl" as untar
+
+workflow {{ project_name }} {
+
+    File tar_file
+	String docker
+	String cluster_config
+	String disk_size
+
+	call untar.untar as untar {
+		input:	
+		tar_file=tar_file,
+		docker=docker,
+		cluster_config=cluster_config,
+		disk_size=disk_size
+	}
+}