Retrieve and report nf-co2footprint version

Author: skrakau

plugins/nf-co2footprint/src/main/nextflow/co2footprint/CO2FootprintFactory.groovy

@@ -48,6 +48,7 @@ import java.util.concurrent.ConcurrentHashMap
 @PackageScope(PackageScopeTarget.FIELDS)
 class CO2FootprintFactory implements TraceObserverFactory {
 
+    private String version
     // Handle logging messages
     private List<String> warnings = []
 
@@ -63,6 +64,15 @@ class CO2FootprintFactory implements TraceObserverFactory {
     Double total_energy = 0
     Double total_co2 = 0
 
+    protected void getPluginVersion() {
+        def reader = new InputStreamReader(this.class.getResourceAsStream('/META-INF/MANIFEST.MF'))
+        String line
+        while ( (line = reader.readLine()) && !version ) {
+            def h = line.split(": ")
+            if ( h[0] == 'Plugin-Version' ) this.version = h[1]
+        }
+        reader.close()
+    }
 
     // Load file containing TDP values for different CPU models
     protected void loadCpuTdpData(Map<String, Double> data) {
@@ -80,6 +90,9 @@ class CO2FootprintFactory implements TraceObserverFactory {
 
     @Override
     Collection<TraceObserver> create(Session session) {
+        getPluginVersion()
+        log.info "nf-co2footprint plugin  ~  version ${this.version}"
+
         loadCpuTdpData(this.cpuData)
 
         this.session = session
@@ -744,12 +757,12 @@ class CO2FootprintFactory implements TraceObserverFactory {
          * Render the report HTML document
          */
         protected void renderHtml() {
-
             // render HTML report template
             final tpl_fields = [
                     workflow : getWorkflowMetadata(),
                     payload : renderPayloadJson(),
                     co2_totals: renderCO2TotalsJson(),
+                    plugin_version: version,
                     assets_css : [
                             readTemplate('nextflow/trace/assets/bootstrap.min.css'),
                             readTemplate('nextflow/trace/assets/datatables.min.css')

plugins/nf-co2footprint/src/resources/CO2FootprintReportTemplate.html

@@ -180,6 +180,9 @@ <h4>Workflow execution completed unsuccessfully!</h4>
       <dl>
         <dt>Nextflow version</dt>
         <dd>version ${workflow.nextflow.version}, build ${workflow.nextflow.build} (${workflow.nextflow.timestamp})</dd>
+
+        <dt>nf-co2footprint plugin version</dt>
+        <dd>version ${plugin_version}</dd>
       </dl>
 
       <h3 class="mt-5">Total CO<sub>2</sub>e footprint measures</h3>