add custom http check

templates/prometheus.yml.j2

@@ -142,6 +142,31 @@ scrape_configs:
       - target_label: __address__
         replacement: {{exporter}}:9100
 {%     endif %}
+{%     if blackbox_monitoring.http_custom is defined %}
+{% for custom in blackbox_monitoring.http_custom %}
+  - job_name: {{exporter}}_{{ custom.name }}_http_custom
+    scheme: https
+    tls_config:
+        ca_file: '/etc/ssl/prometheus_client/root.ca.crt'
+        cert_file: '/etc/ssl/prometheus_client/{{fqdn}}.crt'
+        key_file: '/etc/ssl/prometheus_client/{{fqdn}}.key'
+    metrics_path: /probe
+    params:
+      module: [{{ custom.name }}]
+    static_configs:
+      - targets:
+{%       for target in custom.targets %}
+        - {{ target }}
+{%       endfor %}
+    relabel_configs:
+      - source_labels: [__address__]
+        target_label: __param_target
+      - source_labels: [__param_target]
+        target_label: instance
+      - target_label: __address__
+        replacement: {{exporter}}:9100
+{% endfor %}
+{%     endif %}
 {%     if blackbox_monitoring.tls is defined %}
   - job_name: {{exporter}}_tls
     scheme: https
@@ -218,4 +243,5 @@ scrape_configs:
 
 {%   endfor %}
 
-{% endif %}
+
+{% endif %}
\ No newline at end of file