From 503ad56e7aeae6050ef98477b3a60f6b4c9f59cf Mon Sep 17 00:00:00 2001
From: Christopher Baines <mail@cbaines.net>
Date: Sun, 6 Jan 2019 11:27:50 +0000
Subject: Add support for archiving mini environments

---
 app/controllers/mini_environments_controller.rb    |  6 ++-
 .../backends/terraform_aws/backend_methods.rb      |  5 +-
 .../backends/terraform_libvirt/backend_methods.rb  |  5 +-
 app/views/mini_environments/index.html.erb         | 24 ++++++---
 app/views/mini_environments/show.html.erb          | 57 ++++++++++++++--------
 ...90106112141_add_archived_to_mini_environment.rb |  5 ++
 db/structure.sql                                   |  6 ++-
 7 files changed, 74 insertions(+), 34 deletions(-)
 create mode 100644 db/migrate/20190106112141_add_archived_to_mini_environment.rb

diff --git a/app/controllers/mini_environments_controller.rb b/app/controllers/mini_environments_controller.rb
index 4dc8f39..ff811b0 100644
--- a/app/controllers/mini_environments_controller.rb
+++ b/app/controllers/mini_environments_controller.rb
@@ -144,7 +144,7 @@ class MiniEnvironmentsController < ApplicationController
     action = params.require(:commit)
 
     case action
-    when 'Destroy'
+    when 'Stop'
       MiniEnvironmentJob.enqueue(@mini_environment.id, :destroy)
 
       flash[:notice] = 'Destroying mini environment'
@@ -156,6 +156,10 @@ class MiniEnvironmentsController < ApplicationController
       MiniEnvironmentJob.enqueue(@mini_environment.id, :refresh)
 
       flash[:notice] = 'Refreshing the mini environment state information'
+    when 'Archive'
+      @mini_environment.update(archived: true)
+
+      flash[:notice] = 'Archiving mini environment'
     else
       flash[:error] = "Unknown action #{action}"
     end
diff --git a/app/models/backends/terraform_aws/backend_methods.rb b/app/models/backends/terraform_aws/backend_methods.rb
index b7545d1..59ba5d4 100644
--- a/app/models/backends/terraform_aws/backend_methods.rb
+++ b/app/models/backends/terraform_aws/backend_methods.rb
@@ -84,7 +84,10 @@ module Backends::TerraformAws::BackendMethods
     [
       GovukGuix::Revision.where(archived: false).pluck(:store_path),
       available_data_snapshots.pluck(:store_path),
-      mini_environments.pluck(:backend_data).map { |x| x&.dig('build_output') }
+      mini_environments
+        .where(archived: false)
+        .pluck(:backend_data)
+        .map { |x| x&.dig('build_output') }
     ].flatten.compact
   end
 
diff --git a/app/models/backends/terraform_libvirt/backend_methods.rb b/app/models/backends/terraform_libvirt/backend_methods.rb
index 20ae379..54fb5a1 100644
--- a/app/models/backends/terraform_libvirt/backend_methods.rb
+++ b/app/models/backends/terraform_libvirt/backend_methods.rb
@@ -58,7 +58,10 @@ module Backends::TerraformLibvirt::BackendMethods
     [
       GovukGuix::Revision.where(archived: false).pluck(:store_path),
       available_data_snapshots.pluck(:store_path),
-      mini_environments.pluck(:backend_data).map { |x| x.dig('build_output') }
+      mini_environments
+        .where(archived: false)
+        .pluck(:backend_data)
+        .map { |x| x.dig('build_output') }
     ].flatten.compact
   end
 
diff --git a/app/views/mini_environments/index.html.erb b/app/views/mini_environments/index.html.erb
index 3d57c5b..7fb634b 100644
--- a/app/views/mini_environments/index.html.erb
+++ b/app/views/mini_environments/index.html.erb
@@ -43,18 +43,26 @@ License along with the GOV.UK Mini Environment Admin.  If not, see
             <h2><%= mini_environment.name %></h2>
           </div>
           <div class="col-md-2">
-            <% if status[:running] %>
-              <div class="alert alert-success text-center"
+            <% if mini_environment.archived? %>
+              <div class="alert alert-info text-center"
                    role="alert"
                    style="margin-bottom: 0px;">
-                Mini environment running
+                Mini environment archived
               </div>
             <% else %>
-              <div class="alert alert-warning text-center"
-                   role="alert"
-                   style="margin-bottom: 0px;">
-                Mini environment down
-              </div>
+              <% if status[:running] %>
+                <div class="alert alert-success text-center"
+                     role="alert"
+                     style="margin-bottom: 0px;">
+                  Mini environment running
+                </div>
+              <% else %>
+                <div class="alert alert-warning text-center"
+                     role="alert"
+                     style="margin-bottom: 0px;">
+                  Mini environment down
+                </div>
+              <% end %>
             <% end %>
           </div>
         </div>
diff --git a/app/views/mini_environments/show.html.erb b/app/views/mini_environments/show.html.erb
index 5a6de0b..be7494a 100644
--- a/app/views/mini_environments/show.html.erb
+++ b/app/views/mini_environments/show.html.erb
@@ -39,32 +39,40 @@ License along with the GOV.UK Mini Environment Admin.  If not, see
         <small>updated at <%= status[:updated_at] %></small>
       </div>
       <div class="panel-body">
-        <% if status[:running] %>
-          <div class="alert alert-success text-center"
+        <% if @mini_environment.archived? %>
+          <div class="alert alert-info text-center"
                role="alert"
                style="margin-bottom: 0px;">
-            Mini environment running
+            Mini environment archived
           </div>
         <% else %>
-          <div class="alert alert-warning text-center"
-               role="alert"
-               style="margin-bottom: 0px;">
-            Mini environment down
-          </div>
-        <% end %>
+          <% if status[:running] %>
+            <div class="alert alert-success text-center"
+                 role="alert"
+                 style="margin-bottom: 0px;">
+              Mini environment running
+            </div>
+          <% else %>
+            <div class="alert alert-warning text-center"
+                 role="alert"
+                 style="margin-bottom: 0px;">
+              Mini environment down
+            </div>
+          <% end %>
 
-        <% if status[:running] %>
-          <br>
-          <a class="btn btn-primary btn-lg btn-block"
-             href="<%= @mini_environment.backend.signon_url(@mini_environment) %>">
-            View
-          </a>
+          <% if status[:running] %>
+            <br>
+            <a class="btn btn-primary btn-lg btn-block"
+               href="<%= @mini_environment.backend.signon_url(@mini_environment) %>">
+              View
+            </a>
+          <% end %>
         <% end %>
 
         <br>
         <a href="<%= terraform_http_backend_show_history_path(
-                       "mini_environment/#{@mini_environment.id}"
-                     ) %>">
+                 "mini_environment/#{@mini_environment.id}"
+                 ) %>">
           View Terraform state information
         </a>
       </div>
@@ -79,19 +87,26 @@ License along with the GOV.UK Mini Environment Admin.  If not, see
         <ul class="list-group">
           <% if status[:running] %>
             <li class="list-group-item">
-              <%= submit_tag("Destroy",
+              <%= submit_tag("Stop",
                              role: 'button',
-                             class: 'btn btn-lg btn-danger btn-block')
+                             class: 'btn btn-lg btn-warning btn-block')
               %>
             </li>
           <% else %>
             <li class="list-group-item">
               <%= submit_tag('Start',
-                             disabled: !@mini_environment.backend_data.present?,
+                             disabled: !@mini_environment.backend_data.present? || @mini_environment.archived?,
                              role: 'button',
                              class: 'btn btn-lg btn-success btn-block')
               %>
             </li>
+            <li class="list-group-item">
+              <%= submit_tag("Archive",
+                             disabled: @mini_environment.archived?,
+                             role: 'button',
+                             class: 'btn btn-lg btn-danger btn-block')
+              %>
+            </li>
           <% end %>
           <li class="list-group-item">
             <%= submit_tag('Refresh',
@@ -133,7 +148,7 @@ License along with the GOV.UK Mini Environment Admin.  If not, see
   <% end %>
   at the revision specified in the revision of GOV.UK Guix
   (<a
-       href="<%= govuk_guix_revision_path @mini_environment.govuk_guix_revision %>"
+     href="<%= govuk_guix_revision_path @mini_environment.govuk_guix_revision %>"
    >show revision details</a>):
 
   <% multi_column = (uncustomised_services.length > 6) %>
diff --git a/db/migrate/20190106112141_add_archived_to_mini_environment.rb b/db/migrate/20190106112141_add_archived_to_mini_environment.rb
new file mode 100644
index 0000000..75527a7
--- /dev/null
+++ b/db/migrate/20190106112141_add_archived_to_mini_environment.rb
@@ -0,0 +1,5 @@
+class AddArchivedToMiniEnvironment < ActiveRecord::Migration[5.2]
+  def change
+    add_column :mini_environments, :archived, :boolean, default: false, null: false
+  end
+end
diff --git a/db/structure.sql b/db/structure.sql
index f766762..5e5aaba 100644
--- a/db/structure.sql
+++ b/db/structure.sql
@@ -338,7 +338,8 @@ CREATE TABLE public.mini_environments (
     backend_id bigint,
     backend_data jsonb,
     signon_users jsonb,
-    data_snapshot_id bigint
+    data_snapshot_id bigint,
+    archived boolean DEFAULT false NOT NULL
 );
 
 
@@ -877,6 +878,7 @@ INSERT INTO "schema_migrations" (version) VALUES
 ('20180603120426'),
 ('20180621065525'),
 ('20180621220505'),
-('20180623083735');
+('20180623083735'),
+('20190106112141');
 
 
-- 
cgit v1.2.3