all prometheus exporter folders get same name prefix

roles/exporter-nginx/README.md

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+# nginx prometheus exporter
+
+this install a prometheus exporter which it can pool and proxy nginx stub in response.
+
+Nginx needs to be configured with the following location block:
+
+```
+    location /nginx_status {
+        stub_status on;   
+        access_log   off;
+        allow 127.0.0.1;
+        deny all;
+    }
+```
+
+this requires service to scrape using host in url: `http://127.0.0.1/nginx_status` and all other hosts such as public ip or localhost will receive != 20x.

roles/exporter-nginx/defaults/main.yml

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+---

roles/exporter-nginx/handlers/main.yaml

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+---
+- name: Restart nginx_prometheus_exporter
+  systemd:
+    name: nginx_prometheus_exporter
+    state: restarted
+    daemon_reload: yes

roles/exporter-nginx/tasks/install.yaml

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+---
+- name: Download Nginx Prometheus Exporter
+  get_url:
+    url: "https://github.com/nginx/nginx-prometheus-exporter/releases/download/v{{ nginx_exporter_version }}/nginx-prometheus-exporter_{{ nginx_exporter_version }}_linux_amd64.tar.gz"
+    dest: "/tmp/nginx_prometheus_exporter.tar.gz"
+
+- name: Extract Nginx Prometheus Exporter
+  unarchive:
+    src: "/tmp/nginx_prometheus_exporter.tar.gz"
+    dest: "/tmp"
+    remote_src: yes
+
+- name: Move Nginx Prometheus Exporter binary
+  copy:
+    src: "/tmp/nginx-prometheus-exporter"
+    dest: "/usr/local/bin/nginx-prometheus-exporter"
+    remote_src: yes
+    mode: '0755'

roles/exporter-nginx/tasks/main.yaml

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+---
+- include_tasks: install.yaml
+- include_tasks: service.yml

roles/exporter-nginx/tasks/service.yml

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+---
+- name: Create nginx_prometheus_exporter service file
+  template:
+    src: "nginx_prometheus_exporter.service.j2"
+    dest: "/etc/systemd/system/nginx_prometheus_exporter.service"
+    mode: '0644'
+  tags:
+    - create_service
+
+- name: Reload systemd to pick up the nginx_prometheus_exporter service
+  systemd:
+    daemon_reload: yes
+  tags:
+    - reload_systemd
+
+- name: Enable and start the nginx_prometheus_exporter service
+  systemd:
+    name: nginx_prometheus_exporter
+    state: started
+    enabled: yes
+  tags:
+    - start_nginx_prometheus_exporter
+

roles/exporter-nginx/templates/nginx_prometheus_exporter.service.j2

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+[Unit]
+Description=Nginx Prometheus Exporter
+After=network.target
+
+[Service]
+User=nobody
+ExecStart=/usr/local/bin/nginx-prometheus-exporter -nginx.scrape-uri=http://127.0.0.1/nginx_status
+Restart=always
+
+[Install]
+WantedBy=multi-user.target