working TLS configuration for prometheus

tasks/all.yml

@@ -13,3 +13,4 @@
     src: prometheus.yml.j2
     dest: /etc/prometheus/prometheus.yml
   notify: restart prometheus
+  tags: prometheus_conf

templates/prometheus.yml.j2

@@ -37,7 +37,7 @@ scrape_configs:
     static_configs:
       - targets: ['localhost:9090']
   - job_name: dns_scrape
-    #scheme: https
+    scheme: https
     tls_config:
         # Prometheus will check that the node_exporter presents a certificate
         # signed by this ca.
@@ -46,7 +46,6 @@ scrape_configs:
         # Prometheus as a client.
         cert_file: '/etc/ssl/prometheus_client/{{fqdn}}.crt'
         key_file: '/etc/ssl/prometheus_client/{{fqdn}}.key'
-        min_version: TLS13
     dns_sd_configs:
     - names: 
       - '{{datacenter}}'