Adds plan-show command to CLI

Adds parameter_v2_formatter.
Adds print_plan_detail helper method.
Adds plan-show command.
Change-Id: I07b2158acf9927b42eb65d35b8f106a153a8bd62

tuskarclient/common/formatting.py

@@ -121,6 +121,12 @@ def attributes_formatter(attributes):
                     sorted(attributes.items()))
 
 
+def parameters_v2_formatter(parameters):
+    """Given a list of dicts format parameters output."""
+    return u"\n".join(attributes_formatter(parameter)
+                      for parameter in parameters)
+
+
 def counts_formatter(counts):
     """Given a list of dicts that represent Overcloud Roles output the
     Overcloud Role ID with the num_noces

tuskarclient/tests/v2/test_plans_shell.py

@@ -25,6 +25,13 @@ def empty_args():
     return args
 
 
+def mock_plan():
+    plan = mock.Mock()
+    plan.uuid = '5'
+    plan.name = 'My Plan'
+    return plan
+
+
 class BasePlansShellTest(tutils.TestCase):
 
     def setUp(self):
@@ -46,3 +53,15 @@ class PlansShellTest(BasePlansShellTest):
             self.tuskar.plans.list.return_value, mock.ANY, mock.ANY,
             outfile=self.outfile
         )
+
+    @mock.patch('tuskarclient.common.utils.find_resource')
+    @mock.patch('tuskarclient.v2.plans_shell.print_plan_detail')
+    def test_plan_show(self, mock_print_detail, mock_find_resource):
+        mock_find_resource.return_value = mock_plan()
+        args = empty_args()
+        args.plan = '5'
+
+        self.shell.do_plan_show(self.tuskar, args, outfile=self.outfile)
+        mock_find_resource.assert_called_with(self.tuskar.plans, '5')
+        mock_print_detail.assert_called_with(mock_find_resource.return_value,
+                                             outfile=self.outfile)

tuskarclient/v2/plans_shell.py

@@ -13,6 +13,7 @@
 import sys
 
 import tuskarclient.common.formatting as fmt
+from tuskarclient.common import utils
 
 
 def do_plan_list(tuskar, args, outfile=sys.stdout):
@@ -25,3 +26,22 @@ def do_plan_list(tuskar, args, outfile=sys.stdout):
     }
 
     fmt.print_list(plans, fields, formatters, outfile=outfile)
+
+
+@utils.arg('plan', metavar="<PLAN>",
+           help="UUID of the Plan to show.")
+def do_plan_show(tuskar, args, outfile=sys.stdout):
+    """Show an individual Plan by its UUID."""
+    plan = utils.find_resource(tuskar.plans, args.plan)
+    print_plan_detail(plan, outfile=outfile)
+
+
+def print_plan_detail(plan, outfile=sys.stdout):
+    """Print detailed Plan information (for plan-show etc.)."""
+
+    formatters = {
+        'roles': fmt.parameters_v2_formatter,
+        'parameters': fmt.parameters_v2_formatter,
+    }
+    plan_dict = plan.to_dict()
+    fmt.print_dict(plan_dict, formatters, outfile=outfile)