Import Prometheus server configuration

* add new roles:
  - monitoring.prometheus
  - monitoring.prometheus-alertmanager
  - monitoring.prometheus-exporter-blackbox
* add common Prometheus and Prometheus Alertmanager pillar data
* add moni.lysergic.dev specific Prometheus pillar data

Signed-off-by: Georg Pfuetzenreuter <mail@georg-pfuetzenreuter.net>

pillar/id/moni_lysergic_dev.sls

@@ -57,6 +57,7 @@ prometheus:
               - targets: ['therapon.rigel.lysergic.dev:9793']
 
       alertmanager:
+        config:
           route:
             group_by: ['alertname']
             group_wait: 10s

pillar/role/monitoring/prometheus-exporter-blackbox.sls

@@ -2,3 +2,40 @@ prometheus:
   wanted:
     component:
       - blackbox_exporter
+  pkg:
+    component:
+      blackbox_exporter:
+        config:
+          modules:
+            http_2xx:
+              prober: http
+              timeout: 15s
+            http_post_2xx:
+              prober: http
+              http:
+                method: POST
+            http_3xx:
+              prober: http
+              timeout: 5s
+              http:
+                method: HEAD
+                no_follow_redirects: true
+                valid_status_codes: [301, 302]
+            tcp_connect:
+              prober: tcp
+            ssh_banner:
+              prober: tcp
+              tcp:
+                query_response:
+                - expect: "^SSH-2.0-"
+            irc_banner:
+              prober: tcp
+              tcp:
+                query_response:
+                - send: "NICK prober"
+                - send: "USER prober prober prober :prober"
+                - expect: "PING :([^ ]+)"
+                  send: "PONG ${1}"
+                - expect: "^:[^ ]+ 001"
+            icmp:
+              prober: icmp