Merge pull request #2852 from FireLemons/store_and_display_time_of_la…

…test_deploy

Store and display time of latest deploy attempt #4

app/controllers/health_controller.rb

@@ -2,11 +2,6 @@ class HealthController < ApplicationController
   skip_before_action :authenticate_user!
 
   def index
-    unless Rails.application.config.respond_to?(:latest_deploy_time)
-
-      Rails.application.config.latest_deploy_time = JSON.parse(File.read(Rails.root.join("tmp", "deploy_time.json").to_s))["latest_deploy_time"]
-    end
-
-    render json: {latest_deploy_time: Rails.application.config.latest_deploy_time}
+    render json: {latest_deploy_time: Health.instance.latest_deploy_time}
   end
 end

app/models/health.rb

@@ -0,0 +1,24 @@
+class Health < ApplicationRecord
+  # The "singleton_guard" column is a unique column which must always be set to '0'
+  # This ensures that only one Health row is created
+  validates_inclusion_of :singleton_guard, in: [0]
+
+  def self.instance
+    first_or_create!(singleton_guard: 0)
+  end
+end
+
+# == Schema Information
+#
+# Table name: healths
+#
+#  id                 :bigint           not null, primary key
+#  latest_deploy_time :datetime
+#  singleton_guard    :integer
+#  created_at         :datetime         not null
+#  updated_at         :datetime         not null
+#
+# Indexes
+#
+#  index_healths_on_singleton_guard  (singleton_guard) UNIQUE
+#

db/migrate/20211025143709_create_healths.rb

@@ -0,0 +1,12 @@
+class CreateHealths < ActiveRecord::Migration[6.1]
+  def change
+    create_table :healths do |t|
+      t.timestamp :latest_deploy_time
+      t.integer :singleton_guard
+
+      t.timestamps
+    end
+
+    add_index(:healths, :singleton_guard, unique: true)
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2021_10_12_180102) do
+ActiveRecord::Schema.define(version: 2021_10_25_143709) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -229,6 +229,14 @@
     t.index ["creator_id"], name: "index_followups_on_creator_id"
   end
 
+  create_table "healths", force: :cascade do |t|
+    t.datetime "latest_deploy_time"
+    t.integer "singleton_guard"
+    t.datetime "created_at", precision: 6, null: false
+    t.datetime "updated_at", precision: 6, null: false
+    t.index ["singleton_guard"], name: "index_healths_on_singleton_guard", unique: true
+  end
+
   create_table "hearing_types", force: :cascade do |t|
     t.bigint "casa_org_id", null: false
     t.string "name", null: false

lib/tasks/deployment/20211023145114_store_deploy_time.rake

@@ -3,10 +3,6 @@ namespace :after_party do
   task store_deploy_time: :environment do
     puts "Running deploy task 'store_deploy_time'"
 
-    FileUtils.mkdir_p Rails.root.join("tmp")
-
-    File.open(Rails.root.join("tmp", "deploy_time.json"), "w") do |f|
-      f.write({latest_deploy_time: Time.now.utc.iso8601}.to_json)
-    end
+    Health.instance.update_attribute(:latest_deploy_time, Time.now)
   end
 end

spec/factories/healths.rb

@@ -0,0 +1,6 @@
+FactoryBot.define do
+  factory :health do
+    latest_deploy_time { Time.now }
+    singleton_guard { 0 }
+  end
+end

spec/models/health_spec.rb

@@ -0,0 +1,5 @@
+require "rails_helper"
+
+RSpec.describe Health, type: :model do
+  pending "add some examples to (or delete) #{__FILE__}"
+end