added postfix_exporter

templates/prometheus.yml.j2

@@ -51,6 +51,26 @@ scrape_configs:
     file_sd_configs:
       - files:
         - 'bare_metal.yml'
+  - job_name: lxc_postfix
+    metrics_path: /postfix_metrics
+    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'
+    file_sd_configs:
+      - files:
+        - 'lxc.yml'
+  - job_name: bare_metal_postfix
+    metrics_path: /postfix_metrics
+    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'
+    file_sd_configs:
+      - files:
+        - 'bare_metal.yml'
 
 {% if groups['lxc_host'] is defined %}