Add some basic status support for mini environments

This should enable making the show page better, as it can actually
start displaying the status, and appropriate actions.

2 files changed, 36 insertions, 0 deletions

diff --git a/app/models/mini_environment.rb b/app/models/mini_environment.rb
index d3f8ec3..11742d7 100644
--- a/app/models/mini_environment.rb
+++ b/app/models/mini_environment.rb
@@ -36,6 +36,7 @@
 #
 
 class MiniEnvironment < ApplicationRecord
+  include Status
 
   belongs_to :govuk_guix_revision, class_name: 'GovukGuix::Revision'
   belongs_to :backend, polymorphic: true
diff --git a/app/models/mini_environment/status.rb b/app/models/mini_environment/status.rb
new file mode 100644
index 0000000..b8988ad
--- /dev/null
+++ b/app/models/mini_environment/status.rb
@@ -0,0 +1,35 @@
+# GOV.UK Mini Environment Admin
+# Copyright © 2018  Christopher Baines <mail@cbaines.net>
+#
+# This file is part of the GOV.UK Mini Environment Admin.
+#
+# The GOV.UK Mini Environment Admin is free software: you can
+# redistribute it and/or modify it under the terms of the GNU Affero
+# General Public License as published by the Free Software Foundation,
+# either version 3 of the License, or (at your option) any later
+# version.
+#
+# The GOV.UK Mini Environment Admin is distributed in the hope that it
+# will be useful, but WITHOUT ANY WARRANTY; without even the implied
+# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public
+# License along with the GOV.UK Mini Environment Admin.  If not, see
+# <http://www.gnu.org/licenses/>.
+
+module MiniEnvironment::Status
+  def status
+    latest_terraform_state = terraform_states.order(:id).last
+
+    running = (
+      latest_terraform_state &&
+      (latest_terraform_state.output_value('mini_environment_up') == 'true')
+    )
+
+    {
+      running: running,
+      updated_at: latest_terraform_state.try(:created_at)
+    }
+  end
+end