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/resources/default.yml

@@ -1,38 +1,9 @@
-global:
-  scrape_interval: 5s
-  evaluation_interval: 5s
-rule_files:
-  - /etc/prometheus/prometheus.rules
-scrape_configs:
-  - job_name: kubernetes-nodes-cadvisor
-    scrape_interval: 10s
-    scrape_timeout: 10s
-    scheme: https # remove if you want to scrape metrics on insecure port
-    tls_config:
-      ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
-      insecure_skip_verify: true
-    bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
-    kubernetes_sd_configs:
-      - role: node
-    relabel_configs:
-      - action: labelmap
-        regex: __meta_kubernetes_node_label_(.+)
-      # Only for Kubernetes ^1.7.3.
-      # See: https://github.com/prometheus/prometheus/issues/2916
-      - target_label: __address__
-        replacement: kubernetes.default.svc:443
-      - source_labels: [__meta_kubernetes_node_name]
-        regex: (.+)
-        target_label: __metrics_path__
-        replacement: /api/v1/nodes/${1}/proxy/metrics/cadvisor
-    metric_relabel_configs:
-      - action: replace
-        source_labels: [id]
-        regex: '^/machine\.slice/machine-rkt\\x2d([^\\]+)\\.+/([^/]+)\.service$'
-        target_label: rkt_container_name
-        replacement: "${2}-${1}"
-      - action: replace
-        source_labels: [id]
-        regex: '^/system\.slice/(.+)\.service$'
-        target_label: systemd_service_name
-        replacement: "${1}"
+apiVersion: 1
+
+datasources:
+  - name: Prometheus
+    type: prometheus
+    access: proxy
+    url: __PROMETHEUS_URL__
+    isDefault: true
+    editable: true