Add task for terra backend env exploration

.dockstore.yml

@@ -144,6 +144,11 @@ workflows:
     primaryDescriptorPath: /pipes/WDL/workflows/downsample.wdl
     testParameterFiles:
       - empty.json
+  - name: dump_gcloud_env_info
+    subclass: WDL
+    primaryDescriptorPath: /pipes/WDL/workflows/dump_gcloud_env_info.wdl
+    testParameterFiles:
+      - empty.json
   - name: fastq_to_ubam
     subclass: WDL
     primaryDescriptorPath: /pipes/WDL/workflows/fastq_to_ubam.wdl

pipes/WDL/tasks/tasks_terra.wdl

@@ -30,6 +30,46 @@ task gcs_copy {
   }
 }
 
+task get_gcloud_env_info {
+  input {
+    String? additional_command_to_run
+  }
+  meta {
+    description: "task for inspection of backend env, and optionally running a command"
+  }
+  parameter_meta {
+    additional_command_to_run: {
+      description: "Command that can optionally be included and executed as part of this task"
+    }
+  }
+  command {
+    set -ex
+
+    touch additional_command_stdout.log
+
+    if [ -n "~{default='' additional_command_to_run}" ]; then
+      ~{default='echo ""' additional_command_to_run} | tee -a additional_command_stdout.log
+    fi
+
+    env | tee -a env_info.log
+
+    gcloud config list | tee -a gcloud_config_info.log
+
+    gcloud info | tee -a gcloud_env_info.log
+
+  }
+  output {
+    Array[String] env_info_files            = glob("./*_info.log")
+    File          additional_command_stdout = "additional_command_stdout.log"
+  }
+  runtime {
+    docker: "quay.io/broadinstitute/viral-baseimage:0.1.20"
+    memory: "1 GB"
+    cpu: 1
+    maxRetries: 1
+  }
+}
+
 task upload_reads_assemblies_entities_tsv {
   input {
     String        workspace_name

pipes/WDL/workflows/dump_gcloud_env_info.wdl

@@ -0,0 +1,20 @@
+version 1.0
+
+#DX_SKIP_WORKFLOW
+
+import "../tasks/tasks_terra.wdl" as terra
+
+workflow dump_gcloud_env_info {
+    meta {
+        description: "Write system and gcloud environment info to output files."
+        author: "Broad Viral Genomics"
+        email:  "[email protected]"
+    }
+
+    call terra.get_gcloud_env_info
+
+    output {
+        Array[String] gcloud_env_info_files     = get_gcloud_env_info.env_info_files
+        File          additional_command_stdout = get_gcloud_env_info.additional_command_stdout
+    }
+}