feat: add prometheus breaker_state metric

docs/.vitepress/config.ts

@@ -96,5 +96,14 @@ export default withMermaid({
 		search: {
 			provider: 'local'
 		}
+	},
+	vite: {
+		css: {
+			preprocessorOptions: {
+				scss: {
+        	api: 'modern-compiler'
+				}
+			}
+		}
 	}
 });

docs/.vitepress/theme/index.ts

@@ -0,0 +1,10 @@
+import { type Theme } from 'vitepress';
+import DefaultTheme from 'vitepress/theme';
+import * as Mollitia from 'mollitia';
+import * as MollitiaPrometheus from '@mollitia/prometheus';
+
+Mollitia.use(new MollitiaPrometheus.PrometheusAddon());
+
+export default {
+  extends: DefaultTheme
+} satisfies Theme;

docs/package.json

@@ -8,11 +8,12 @@
 		"preview": "vitepress preview"
 	},
 	"devDependencies": {
-		"mermaid": "^10.6.1",
+		"@mollitia/prometheus": "*",
+		"mermaid": "^11.6.0",
 		"mollitia": "*",
-		"sass": "^1.69.5",
-		"vitepress": "^1.0.0-rc.25",
-		"vitepress-plugin-mermaid": "^2.0.15",
-		"vue": "^3.3.8"
+		"sass-embedded": "^1.86.3",
+		"vitepress": "^1.6.3",
+		"vitepress-plugin-mermaid": "^2.0.17",
+		"vue": "^3.5.13"
 	}
 }

docs/src/components/playground/circuit.vue

@@ -20,7 +20,7 @@
 	// Props
 	const props = withDefaults(defineProps<{
 		circuit: Mollitia.Circuit;
-		duration?: any; // TODO check why number throws: "TypeError: Right-hand side of 'instanceof' is not callable"
+		duration?: any;
 	}>(), {
 		duration: 500
 	});

docs/src/components/playground/modules/breaker/sliding-count.vue

@@ -2,6 +2,7 @@
   // Helpers
   import * as Mollitia from 'mollitia';
   import { onMounted, onUnmounted, ref, watch } from 'vue';
+  import * as MollitiaPrometheus from '@mollitia/prometheus';
   // Components
   import Circuit from '../../circuit.vue';
 	import Number from '../../../form/number.vue';
@@ -31,13 +32,19 @@
     slowCallRateThreshold: cbSlowCallRateThreshold.value,
     permittedNumberOfCallsInHalfOpenState: cbPermittedNumberOfCallsInHalfOpenState.value,
     openStateDelay: cbOpenStateDelay.value,
-    halfOpenStateMaxDelay: cbHalfOpenStateMaxDelay.value
+    halfOpenStateMaxDelay: cbHalfOpenStateMaxDelay.value,
+    prometheus: {
+      name: 'sliding_count_module'
+    }
   });
   const circuit = new Mollitia.Circuit({
     options: {
       modules: [
         slidingCount
-      ]
+      ],
+      prometheus: {
+        name: 'sliding_count_circuit'
+      }
     }
   });
   // Handlers

docs/src/guide/customization/addons/prometheus.md

@@ -90,3 +90,11 @@ const scrap = MollitiaPrometheus.scrap(); // Will return the Prometheus scrap
 | `success_with_retries`     | The amount of executions that succeed after retrying.   | `Counter` |
 | `failures_without_retries` | The amount of executions that failed without retrying.  | `Counter` |
 | `failures_with_retries`    | The amount of executions that failed after retrying.    | `Gauge`   |
+
+### Breaker
+
+| Name                     | Description                                     | Type      | 
+|:-------------------------|:------------------------------------------------|:----------|
+| `breaker_state` | Current State of the Circuit as an enum (Needs to check `state` label). | `Counter` |
+| `failure_rate` | The percentage of failure in circuit. | `Counter` |
+| `slow_rate` | The percentage of slow requests in circuit. | `Counter` |

nx.json

@@ -9,7 +9,7 @@
           "test",
           "lint"
         ],
-        "parallel": 4
+        "parallel": 3
       }
     }
   },