added support for the blackbox exporter

tasks/main.yml

@@ -2,6 +2,32 @@
   apt:
     pkg: prometheus-node-exporter
 
+- name: copy node-exporter config
+  notify: restart node-exporter
+  template:
+    src: node-exporter.j2
+    dest: /etc/default/prometheus-node-exporter
+
+- name: handle blackbox exporter
+  when: prometheus_agent.agents.blackbox.enable
+  block:
+  - name: install blackbox exporter
+    apt:
+      pkg: prometheus-blackbox-exporter
+  - name: wrtie blackbox exporter service config
+    notify: restart blackbox exporter
+    template:
+      src: prometheus-blackbox.j2
+      dest: /etc/default/prometheus-blackbox-exporter
+  - name: wrtie blackbox exporter config
+    notify: restart blackbox exporter
+    copy:
+      owner: root
+      group: root
+      mode: 0644
+      dest: /etc/prometheus/blackbox.yml
+      content: "{{ prometheus_agent.agents.blackbox.config|to_nice_yaml(indent=2) }}"
+
 - name: manage tls
   when: prometheus_agent.tls.manage
   block:
@@ -20,12 +46,6 @@
       certificates:
         certs: "{{ {}|combine(prometheus_certs, inventory_certs, recursive=True) }}"
 
-- name: copy node-exporter config
-  template:
-    src: node-exporter.j2
-    dest: /etc/default/prometheus-node-exporter
-  notify: restart node-exporter
-
 - name: slurp up all scraper certs
   loop: "{{ prometheus_agent.scrapers.keys()|list }}"
   delegate_to: "{{ item }}"