working on prometheus

handlers/main.yml

+---
+
+- name: restart prometheus
+  service:
+    name: prometheus
+    state: restarted

tasks/all.yml

@@ -8,3 +8,8 @@
     name: prometheus
     state: started
     enabled: yes
+- name: promtheus template
+  template:
+    src: prometheus.yml.j2
+    dest: /etc/prometheus/prometheus.yml
+  notify: restart prometheus

templates/prometheus.yml.j2

+# Sample config for Prometheus.
+
+global:
+  scrape_interval:     15s # Set the scrape interval to every 15 seconds. Default is every 1 minute.
+  evaluation_interval: 15s # Evaluate rules every 15 seconds. The default is every 1 minute.
+  # scrape_timeout is set to the global default (10s).
+
+  # Attach these labels to any time series or alerts when communicating with
+  # external systems (federation, remote storage, Alertmanager).
+  external_labels:
+      monitor: 'hardware'
+
+# Alertmanager configuration
+#alerting:
+#  alertmanagers:
+#  - static_configs:
+#    - targets: ['localhost:9093']
+
+# Load rules once and periodically evaluate them according to the global 'evaluation_interval'.
+rule_files:
+  # - "first_rules.yml"
+  # - "second_rules.yml"
+
+# A scrape configuration containing exactly one endpoint to scrape:
+# Here it's Prometheus itself.
+scrape_configs:
+  # The job name is added as a label `job=<job_name>` to any timeseries scraped from this config.
+  - job_name: 'prometheus'
+
+    # Override the global default and scrape targets from this job every 5 seconds.
+    scrape_interval: 5s
+    scrape_timeout: 5s
+
+    # metrics_path defaults to '/metrics'
+    # scheme defaults to 'http'.
+
+    static_configs:
+      - targets: ['localhost:9090']
+
+  - job_name: node
+    # If prometheus-node-exporter is installed, grab stats about the local
+    # machine by default.
+    static_configs:
+      - targets: ['localhost:9100']
+  - job_name: dns_scrape
+    dns_sd_configs:
+    - names: 
+      - '{{datacenter}}'