CDash report for concretization errors

Capture any concretization errors and record them in a CTest Update.xml file.

lib/spack/spack/cmd/install.py

@@ -36,6 +36,7 @@
 import spack.cmd.common.arguments as arguments
 import spack.fetch_strategy
 import spack.report
+from spack.error import SpackError
 
 
 description = "build and install packages"
@@ -203,7 +204,11 @@ def install(parser, args, **kwargs):
         for spec in specs:
             spack.package_testing.test(spec.name)
 
-    specs = spack.cmd.parse_specs(args.package, concretize=True)
+    try:
+        specs = spack.cmd.parse_specs(args.package, concretize=True)
+    except SpackError as e:
+        reporter.concretization_report(e.message)
+        raise
 
     # 2. Concrete specs from yaml files
     for file in args.specfiles:

lib/spack/spack/report.py

@@ -360,6 +360,24 @@ def cdash_build_report(self, report_data):
                 t = env.get_template(phase_template)
                 f.write(t.render(report_data))
 
+    def concretization_report(self, msg):
+        if not self.format_name == 'cdash':
+            return
+
+        report_data = {}
+        report_data['starttime'] = self.starttime
+        report_data['endtime'] = self.starttime
+        self.cdash_initialize_report(report_data)
+
+        report_data['msg'] = msg
+        env = spack.tengine.make_environment()
+        update_template = os.path.join(templates[self.format_name],
+                                       'Update.xml')
+        t = env.get_template(update_template)
+        output_filename = os.path.join(self.filename, 'Update.xml')
+        with open(output_filename, 'w') as f:
+            f.write(t.render(report_data))
+
     def __exit__(self, exc_type, exc_val, exc_tb):
         if self.format_name:
             # Close the collector and restore the