Add deployment tracking models

app/models/district.rb

@@ -12,6 +12,9 @@ class District < ActiveRecord::Base
   has_many :endpoints, inverse_of: :district, dependent: :destroy
   has_many :notifications, inverse_of: :district, dependent: :destroy
 
+  has_many :services, through: :heritages
+  has_many :service_deployments, through: :services
+
   validates :name, presence: true, uniqueness: true, immutable: true
   validates :region, :s3_bucket_name, :stack_name, :cidr_block, presence: true, immutable: true
   validates :nat_type, inclusion: {in: %w[instance managed_gateway managed_gateway_multi_az]}, allow_nil: true

app/models/service.rb

@@ -5,6 +5,7 @@ class Service < ActiveRecord::Base
   belongs_to :heritage, inverse_of: :services
   has_many :listeners, inverse_of: :service, dependent: :destroy
   has_many :port_mappings, inverse_of: :service, dependent: :destroy
+  has_many :service_deployments, inverse_of: :service, dependent: :destroy
 
   serialize :hosts, JSON
   serialize :health_check, JSON

app/models/service_deployment.rb

@@ -0,0 +1,37 @@
+class ServiceDeployment < ApplicationRecord
+  belongs_to :service
+
+  validates :service, presence: true
+  validate :finished_cannot_both_be_true
+
+  def finished_cannot_both_be_true
+    if completed_at.present? && failed_at.present?
+      errors.add(:completed_at, "can't be true with failed_at")
+    end
+  end
+
+  scope :unfinished, -> { where('completed_at is null and failed_at is null') }
+
+  def finished?
+    completed? || failed?
+  end
+
+  def completed?
+    !completed_at.nil?
+  end
+
+  def failed?
+    !failed_at.nil?
+  end
+
+  def complete!
+    self.completed_at = Time.now
+    self.save!
+  end
+
+  def fail!
+    self.failed_at = Time.now
+    self.save!
+  end
+
+end

db/migrate/20221208045503_create_service_deployments.rb

@@ -0,0 +1,13 @@
+class CreateServiceDeployments < ActiveRecord::Migration[5.2]
+  def change
+    create_table :service_deployments do |t|
+      t.references :service, foreign_key: true, null: false
+      t.datetime :completed_at
+      t.datetime :failed_at
+
+      t.timestamps
+    end
+
+    add_index :service_deployments, [:completed_at, :failed_at]
+  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: 2020_11_13_090000) do
+ActiveRecord::Schema.define(version: 2022_12_08_045503) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -182,6 +182,16 @@
     t.index ["token"], name: "index_review_groups_on_token", unique: true
   end
 
+  create_table "service_deployments", force: :cascade do |t|
+    t.bigint "service_id", null: false
+    t.datetime "completed_at"
+    t.datetime "failed_at"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["completed_at", "failed_at"], name: "index_service_deployments_on_completed_at_and_failed_at"
+    t.index ["service_id"], name: "index_service_deployments_on_service_id"
+  end
+
   create_table "services", force: :cascade do |t|
     t.string "name", null: false
     t.integer "cpu"
@@ -236,6 +246,7 @@
   add_foreign_key "review_apps", "heritages"
   add_foreign_key "review_apps", "review_groups"
   add_foreign_key "review_groups", "endpoints"
+  add_foreign_key "service_deployments", "services"
   add_foreign_key "services", "heritages"
   add_foreign_key "users_districts", "districts"
   add_foreign_key "users_districts", "users"

spec/factories/service_deployments.rb

@@ -0,0 +1,5 @@
+FactoryBot.define do
+  factory :service_deployment do
+    service
+  end
+end

spec/models/district_spec.rb

@@ -148,4 +148,61 @@
       district.publish_sns("message")
     end
   end
+
+  describe '#services' do
+    it 'finds the services for the current district' do
+      d1 = create :district, name: 'd1'
+      d1h1 = create :heritage, district: d1, name: 'd1h1'
+      d1h1s1 = create :service, heritage: d1h1, name: 'd1h1s1'
+      d1h1s2 = create :service, heritage: d1h1, name: 'd1h1s2'
+      d1h1s3 = create :service, heritage: d1h1, name: 'd1h1s3'
+
+      d1h2 = create :heritage, district: d1, name: 'd1h2'
+      d1h2s1 = create :service, heritage: d1h2, name: 'd1h2s1'
+      d1h2s2 = create :service, heritage: d1h2, name: 'd1h2s2'
+
+      d2 = create :district, name: 'd2'
+      d2h1 = create :heritage, district: d2, name: 'd2h1'
+      d2h1s1 = create :service, heritage: d2h1, name: 'd2h1s1'
+      d2h1s2 = create :service, heritage: d2h1, name: 'd2h1s2'
+
+      d2h2 = create :heritage, district: d2, name: 'd2h2'
+      d2h2s1 = create :service, heritage: d2h2, name: 'd2h2s1'
+      d2h2s2 = create :service, heritage: d2h2, name: 'd2h2s2'
+
+      expect(d1.services).to eq [d1h1s1, d1h1s2, d1h1s3, d1h2s1, d1h2s2]
+      expect(d2.services).to eq [d2h1s1, d2h1s2, d2h2s1, d2h2s2]
+    end
+  end
+
+  describe '#service_deployments' do
+    it 'finds the service deployments for the current district' do
+      d1 = create :district, name: 'd1'
+      d1h1 = create :heritage, district: d1, name: 'd1h1'
+      d1h1s1 = create :service, heritage: d1h1, name: 'd1h1s1'
+
+      dep1 = create :service_deployment, service: d1h1s1
+
+      d1h1s2 = create :service, heritage: d1h1, name: 'd1h1s2'
+      d1h1s3 = create :service, heritage: d1h1, name: 'd1h1s3'
+
+      dep2 = create :service_deployment, service: d1h1s3
+
+      d1h2 = create :heritage, district: d1, name: 'd1h2'
+      d1h2s1 = create :service, heritage: d1h2, name: 'd1h2s1'
+      d1h2s2 = create :service, heritage: d1h2, name: 'd1h2s2'
+
+      d2 = create :district, name: 'd2'
+      d2h1 = create :heritage, district: d2, name: 'd2h1'
+      d2h1s1 = create :service, heritage: d2h1, name: 'd2h1s1'
+      d2h1s2 = create :service, heritage: d2h1, name: 'd2h1s2'
+
+      d2h2 = create :heritage, district: d2, name: 'd2h2'
+      d2h2s1 = create :service, heritage: d2h2, name: 'd2h2s1'
+      d2h2s2 = create :service, heritage: d2h2, name: 'd2h2s2'
+
+      expect(d1.service_deployments).to eq [dep1, dep2]
+    end
+  end
+
 end

spec/models/service_deployment_spec.rb

@@ -0,0 +1,100 @@
+require 'rails_helper'
+
+describe ServiceDeployment do
+
+  it { should validate_presence_of :service }
+
+  describe 'both completed and failed true' do
+    it 'will not be valid' do
+      sd = build :service_deployment, completed_at: DateTime.now, failed_at: DateTime.now
+      expect(sd).to_not be_valid
+    end
+  end
+
+  describe '#completed?' do
+    it 'returns true if completed' do
+      sd = create :service_deployment, completed_at: DateTime.now
+      expect(sd).to be_completed
+    end
+
+    it 'returns false if not completed' do
+      sd = create :service_deployment, completed_at: nil
+      expect(sd).to_not be_completed
+    end
+  end
+
+  describe '#failed?' do
+    it 'returns true if failed' do
+      sd = create :service_deployment, failed_at: DateTime.now
+      expect(sd).to be_failed
+    end
+
+    it 'returns false if not failed' do
+      sd = create :service_deployment, failed_at: nil
+      expect(sd).to_not be_failed
+    end
+  end
+
+  describe '#finished?' do
+    it 'returns true if completed' do
+      sd = create :service_deployment, completed_at: DateTime.now
+      expect(sd).to be_finished
+    end
+
+    it 'returns true if failed' do
+      sd = create :service_deployment, failed_at: DateTime.now
+      expect(sd).to be_finished
+    end
+
+    it 'returns false if not failed or completed' do
+      sd = create :service_deployment, failed_at: nil, completed_at: nil
+      expect(sd).to_not be_finished
+    end
+  end
+
+  let(:example_time) { Time.zone.local(2004, 11, 24, 01, 04, 44) }
+  describe 'fail!' do
+    it 'sets failed' do
+      sd = create :service_deployment
+      expect(sd).to_not be_failed
+      sd.fail!
+      expect(sd).to be_failed
+    end
+
+    it 'sets failed_at to current time' do
+      travel_to example_time do
+        sd = create :service_deployment
+        expect(sd.failed_at).to be_nil
+        sd.fail!
+        expect(sd.failed_at).to eq example_time
+      end
+    end
+  end
+
+  describe 'complete!' do
+    it 'sets completed' do
+      sd = create :service_deployment
+      expect(sd).to_not be_completed
+      sd.complete!
+      expect(sd).to be_completed
+    end
+
+    it 'sets completed_at to current time' do
+      travel_to example_time do
+        sd = create :service_deployment
+        expect(sd.completed_at).to be_nil
+        sd.complete!
+        expect(sd.completed_at).to eq example_time
+      end
+    end
+  end
+
+  describe '.unfinished' do
+    it 'returns unfinished deployments' do
+      sd1 = create :service_deployment, completed_at: nil
+      sd2 = create :service_deployment, completed_at: DateTime.now
+
+      expect(ServiceDeployment.unfinished).to eq [sd1]
+    end
+  end
+end

spec/models/service_spec.rb

@@ -196,4 +196,18 @@
       end
     end
   end
+
+  describe '#service_deployments' do
+    it 'finds the service deployments for the current district' do
+      s1 = create :service
+      s1d1 = create :service_deployment, service: s1
+      s1d2 = create :service_deployment, service: s1
+
+      s2 = create :service
+      s2d1 = create :service_deployment, service: s2
+
+      expect(s1.service_deployments).to eq [s1d1, s1d2]
+      expect(s2.service_deployments).to eq [s2d1]
+    end
+  end
 end