Revise metrics emission to reflect data for both GitLab and Bitbucket

The display of metrics in pipelines as code
now includes information for GitLab and Bitbucket.

Signed-off-by: Savita Ashture <[email protected]>

docs/content/docs/guide/repositorycrd.md

@@ -274,7 +274,7 @@ and the scoping fails for the repository level configuration because the reposit
     namespace: test-repo
   spec:
     url: "https://github.com/linda/project"
-    setting
+    settings:
       github_app_token_scope_repos:
       - "owner5/project5"
   ```

docs/content/docs/install/metrics.md

@@ -0,0 +1,15 @@
+---
+title: Running the PipelineRun
+weight: 4
+---
+
+# Metrics Overview
+
+The metrics for pipelines-as-code can be accessed through the `pipelines-as-code-watcher` service on port `9090`.
+
+pipelines-as-code supports various exporters, such as Prometheus, Google Stackdriver, and more.
+You can configure these exporters by referring to the [observability configuration](../config/config-observability.yaml).
+
+|  Name | Type    | Description                                         |
+| ---------- |---------|-----------------------------------------------------|
+| `pipelines_as_code_pipelinerun_count` | Counter | Number of pipelineruns created by pipelines-as-code |

pkg/reconciler/emit_metrics.go

@@ -1,7 +1,7 @@
 package reconciler
 
 import (
-	"strings"
+	"fmt"
 
 	"github.com/openshift-pipelines/pipelines-as-code/pkg/apis/pipelinesascode/keys"
 	tektonv1 "github.com/tektoncd/pipeline/pkg/apis/pipeline/v1"
@@ -11,12 +11,17 @@ func (r *Reconciler) emitMetrics(pr *tektonv1.PipelineRun) error {
 	gitProvider := pr.GetAnnotations()[keys.GitProvider]
 	eventType := pr.GetAnnotations()[keys.EventType]
 
-	if strings.HasPrefix(gitProvider, "github") {
+	switch gitProvider {
+	case "github":
 		if _, ok := pr.GetAnnotations()[keys.InstallationID]; ok {
 			gitProvider += "-app"
 		} else {
 			gitProvider += "-webhook"
 		}
+	case "gitlab", "gitea", "bitbucket-cloud", "bitbucket-server":
+		gitProvider += "-webhook"
+	default:
+		return fmt.Errorf("no supported Git provider")
 	}
 
 	return r.metrics.Count(gitProvider, eventType)

pkg/reconciler/emit_metrics_test.go

@@ -0,0 +1,71 @@
+package reconciler
+
+import (
+	"testing"
+
+	"github.com/openshift-pipelines/pipelines-as-code/pkg/apis/pipelinesascode/keys"
+	"github.com/openshift-pipelines/pipelines-as-code/pkg/metrics"
+	tektonv1 "github.com/tektoncd/pipeline/pkg/apis/pipeline/v1"
+	"gotest.tools/v3/assert"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+func TestEmitMetrics(t *testing.T) {
+	tests := []struct {
+		name        string
+		annotations map[string]string
+		wantErr     bool
+	}{
+		{
+			name: "provider is GitHub App",
+			annotations: map[string]string{
+				keys.GitProvider:    "github",
+				keys.EventType:      "pull_request",
+				keys.InstallationID: "123",
+			},
+			wantErr: false,
+		},
+		{
+			name: "provider is GitHub Webhook",
+			annotations: map[string]string{
+				keys.GitProvider: "github",
+				keys.EventType:   "pull_request",
+			},
+			wantErr: false,
+		},
+		{
+			name: "provider is GitLab",
+			annotations: map[string]string{
+				keys.GitProvider: "gitlab",
+				keys.EventType:   "push",
+			},
+			wantErr: false,
+		},
+		{
+			name: "unsupported provider",
+			annotations: map[string]string{
+				keys.GitProvider: "unsupported",
+				keys.EventType:   "push",
+			},
+			wantErr: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			m, err := metrics.NewRecorder()
+			assert.NilError(t, err)
+			r := &Reconciler{
+				metrics: m,
+			}
+			pr := &tektonv1.PipelineRun{
+				ObjectMeta: metav1.ObjectMeta{
+					Annotations: tt.annotations,
+				},
+			}
+			if err = r.emitMetrics(pr); (err != nil) != tt.wantErr {
+				t.Errorf("emitMetrics() error = %v, wantErr %v", err != nil, tt.wantErr)
+			}
+		})
+	}
+}