Introduce monitoring metrics for deploy config enablement

jobs/director/templates/indicator.yml.erb

@@ -25,6 +25,8 @@ spec:
         type: "Type of the task (e.g. update_deployment, snapshot_deployment...)"
   - name: bosh_resurrection_enabled
     promql: bosh_resurrection_enabled
+  - name: bosh_deploy_config_enabled
+    promql: bosh_deploy_config_enabled
   - name: bosh_networks_dynamic_ips_total
     promql: bosh_networks_dynamic_ips_total
     documentation:

src/bosh-director/lib/bosh/director/api/config_manager.rb

@@ -13,6 +13,15 @@ def create(type, name, config_yaml, team_id = nil)
             config.save
           end
 
+          def deploy_config_enabled?
+            deploy_config = find(type: 'deploy', limit: 999)
+
+            deploy_config.each do |config|
+              return true
+            end
+            false
+          end
+
           def find(type: nil, name: nil, limit: 1)
             dataset = Bosh::Director::Models::Config.where(deleted: false)
             dataset = dataset.where(type: type) if type

src/bosh-director/lib/bosh/director/metrics_collector.rb

@@ -10,6 +10,11 @@ def initialize(config)
         @config = config
         @logger = config.metrics_server_logger
 
+        @deploy_config_enabled = Prometheus::Client.registry.gauge(
+          :bosh_deploy_config_enabled,
+          docstring: 'Is a config of type deploy uploaded? 0 for no, 1 for yes',
+        )
+
         @resurrection_enabled = Prometheus::Client.registry.gauge(
           :bosh_resurrection_enabled,
           docstring: 'Is resurrection enabled? 0 for disabled, 1 for enabled',
@@ -82,6 +87,7 @@ def ensure_migrations
       def populate_metrics
         @logger.info('populating metrics')
 
+        @deploy_config_enabled.set(Api::ConfigManager.deploy_config_enabled? ? 1 : 0)
         @resurrection_enabled.set(Api::ResurrectorManager.new.pause_for_all? ? 0 : 1)
 
         metrics = { 'processing' => {}, 'queued' => {} }

src/bosh-director/spec/unit/api/config_manager_spec.rb

@@ -282,5 +282,19 @@
     end
   end
 
+  describe '#deploy_config_enabled?' do
+    context 'when config of type deploy does not exist' do
+      it "returns 'false'" do
+        expect(manager.deploy_config_enabled?).to eq(false)
+      end
+    end
+
+    context 'when config of type deploy does not exist' do
+      let!(:config_id) { Bosh::Director::Models::Config.make(type: 'deploy', name: 'my-name') }
 
+      it "returns 'true'" do
+        expect(manager.deploy_config_enabled?).to eq(true)
+      end
+    end
+  end
 end

src/bosh-director/spec/unit/metrics_collector_spec.rb

@@ -23,12 +23,14 @@ def tick
         allow(Rufus::Scheduler).to receive(:new).and_return(scheduler)
         allow(Api::ResurrectorManager).to receive(:new).and_return(resurrector_manager)
         allow(resurrector_manager).to receive(:pause_for_all?).and_return(false, true, false)
+        allow(Api::ConfigManager).to receive(:deploy_config_enabled?).and_return(true, false)
         stub_request(:get, /unresponsive_agents/)
           .to_return(status: 200, body: JSON.dump('flaky_deployment' => 1, 'good_deployment' => 0))
       end
 
       after do
         Prometheus::Client.registry.unregister(:bosh_resurrection_enabled)
+        Prometheus::Client.registry.unregister(:bosh_deploy_config_enabled)
         Prometheus::Client.registry.unregister(:bosh_tasks_total)
         Prometheus::Client.registry.unregister(:bosh_networks_dynamic_ips_total)
         Prometheus::Client.registry.unregister(:bosh_networks_dynamic_free_ips_total)
@@ -46,6 +48,16 @@ def tick
           end
         end
 
+        describe 'deploy_config_enabled' do
+          it 'populates the metrics every 30 seconds' do
+            metrics_collector.start
+            expect(scheduler.interval_duration).to eq('30s')
+            expect(Prometheus::Client.registry.get(:bosh_deploy_config_enabled).get).to eq(1)
+            scheduler.tick
+            expect(Prometheus::Client.registry.get(:bosh_deploy_config_enabled).get).to eq(0)
+          end
+        end
+
         describe 'network metrics' do
           let(:manual_network_spec) do
             {