setup datadog agent on each host.

- set agent version to 7

ansible-5/roles/datadog.datadog/templates/datadog.conf.j2

@@ -0,0 +1,31 @@
+# Managed by Ansible
+
+[Main]
+
+{% if datadog_config["dd_url"] is not defined -%}
+  dd_url: {{ datadog_url | default('https://app.datadoghq.com') }}
+{% endif %}
+
+{% if datadog_config["api_key"] is not defined -%}
+  api_key: {{ datadog_api_key | default('youshouldsetthis') }}
+{% endif %}
+
+{% if datadog_config["use_mount"] is not defined -%}
+  use_mount: {{ datadog_use_mount | default('no') }}
+{% endif %}
+
+{# These variables are free-style, passed through a hash -#}
+{% if datadog_config -%}
+{% for key, value in datadog_config | dictsort -%}
+{{ key }}: {{ value }}
+{% endfor -%}
+{% endif %}
+
+{% if datadog_config_ex is defined -%}
+{% for section, keyvals in datadog_config_ex | dictsort %}
+[{{ section }}]
+{% for key, value in keyvals | dictsort -%}
+{{ key }}: {{ value }}
+{% endfor -%}
+{% endfor %}
+{% endif %}