feat(trivy): Enhance Trivy report generation and metrics handling

- Updated `generate_report.sh` to include additional scanners and output paths.
- Enhanced `send_report.py` with new data classes for misconfigurations and vulnerabilities.
- Improved parsing logic for Trivy output, supporting both Kubernetes and image scans.
- Added Prometheus metrics generation for various scan results, including misconfigurations and vulnerabilities.
- Introduced unit tests for parsing Trivy output and generating Prometheus metrics.
- Modified Terraform variables for SMTP port type and added Pushgateway URL variable.

terraform/modules/apps/grafana/grafana.tf

@@ -1,3 +1,36 @@
+resource "kubernetes_config_map" "grafana_datasources" {
+  metadata {
+    name      = "grafana-datasources"
+    namespace = kubernetes_namespace.grafana.metadata[0].name
+  }
+
+  data = {
+    "default.yml" = replace(local.grafana_datasource_config, "__PROMETHEUS_URL__", var.prometheus_url)
+  }
+}
+
+resource "kubernetes_config_map" "grafana_dashboard_provider" {
+  metadata {
+    name      = "grafana-dashboard-provider"
+    namespace = kubernetes_namespace.grafana.metadata[0].name
+  }
+
+  data = {
+    "dashboard-provider.yml" = local.grafana_dashboard_provider
+  }
+}
+
+resource "kubernetes_config_map" "grafana_dashboards" {
+  metadata {
+    name      = "grafana-dashboards"
+    namespace = kubernetes_namespace.grafana.metadata[0].name
+  }
+
+  data = {
+    "trivy-vulnerabilities-dashboard.json" = local.grafana_trivy_dashboard
+  }
+}
+
 resource "kubernetes_deployment" "grafana" {
 
   metadata {
@@ -67,6 +100,21 @@ resource "kubernetes_deployment" "grafana" {
             name       = "grafana-pv"
             mount_path = "/var/lib/grafana"
           }
+          volume_mount {
+            name       = "grafana-datasources"
+            mount_path = "/etc/grafana/provisioning/datasources"
+            read_only  = true
+          }
+          volume_mount {
+            name       = "grafana-dashboard-provider"
+            mount_path = "/etc/grafana/provisioning/dashboards"
+            read_only  = true
+          }
+          volume_mount {
+            name       = "grafana-dashboards"
+            mount_path = "/var/lib/grafana/dashboards"
+            read_only  = true
+          }
         }
         volume {
           name = "grafana-pv"
@@ -74,6 +122,24 @@ resource "kubernetes_deployment" "grafana" {
             path = local.monitoring_folder
           }
         }
+        volume {
+          name = "grafana-datasources"
+          config_map {
+            name = kubernetes_config_map.grafana_datasources.metadata[0].name
+          }
+        }
+        volume {
+          name = "grafana-dashboard-provider"
+          config_map {
+            name = kubernetes_config_map.grafana_dashboard_provider.metadata[0].name
+          }
+        }
+        volume {
+          name = "grafana-dashboards"
+          config_map {
+            name = kubernetes_config_map.grafana_dashboards.metadata[0].name
+          }
+        }
       }
     }
   }