add tcp checks for services

Author: anandkumarpatel

ansible/roles/datadog/handlers/main.yml

@@ -0,0 +1,5 @@
+- name: restart datadog-agent
+  sudo: yes
+  service:
+    name=datadog-agent
+    state=restarted

ansible/roles/datadog/tasks/main.yml

@@ -1,42 +1,43 @@
 ---
-- name: add datadog source
+- name: add https transport
+  tags: ['datadog']
   sudo: yes
-  lineinfile:
-    state=present
-    create=yes
-    dest=/etc/apt/sources.list.d/datadog.list
-    line='deb http://apt.datadoghq.com/ stable main'
+  apt:
+    name=apt-transport-https
+    state=latest
+  notify: restart datadog-agent
 
 - name: add datadog apt key
+  tags: ['datadog']
   sudo: yes
   apt_key:
-    keyserver=keyserver.ubuntu.com
     id=C7A7DA52
-
-- name: install datadog via apt
-  sudo: yes
-  apt:
-    update_cache=yes
-    name=datadog-agent
+    keyserver=keyserver.ubuntu.com
     state=present
+  notify: restart datadog-agent
 
-- name: copy datadog example config into place
+- name: add datadog repository
+  tags: ['datadog']
   sudo: yes
-  command: cp datadog.conf.example datadog.conf
-    chdir=/etc/dd-agent
-    creates=/etc/dd-agent/datadog.conf
+  apt_repository:
+    repo='deb http://apt.datadoghq.com/ stable main'
+    state=present
+    update_cache=yes
+  notify: restart datadog-agent
 
-- name: set API key for datadog
+- name: Create main Datadog agent configuration file
+  tags: ['datadog']
   sudo: yes
-  lineinfile: "
-    state=present
+  template:
+    src=datadog.conf.j2
     dest=/etc/dd-agent/datadog.conf
-    regexp='^api_key:.*$'
-    line='api_key: 6488896fe0c811965ef233b96809d70d'"
+  notify: restart datadog-agent
 
-- name: (re)start datadog
+- name: install network checks for dock services
+  tags: ['datadog']
   sudo: yes
-  service:
-    name=datadog-agent
-    state=restarted
-  
+  when: docker_config == "docks"
+  template:
+    src=tcp_check.yaml.j2
+    dest=/etc/dd-agent/conf.d/tcp_check.yaml
+  notify: restart datadog-agent

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

@@ -0,0 +1,8 @@
+# Managed by Ansible
+[Main]
+
+dd_url: https://app.datadoghq.com
+
+api_key: {{ datadog_api_key }}
+
+use_mount: no

ansible/roles/datadog/templates/tcp_check.yaml.j2

@@ -0,0 +1,32 @@
+init_config:
+
+instances:
+  - name: docker-listener
+    host: 127.0.0.1
+    port: 3000
+    collect_response_time: true
+    skip_event: true
+
+  - name: krain
+    host: 127.0.0.1
+    port: 3100
+    collect_response_time: true
+    skip_event: true
+
+  - name: sauron
+    host: 127.0.0.1
+    port: 3200
+    collect_response_time: true
+    skip_event: true
+
+  - name: filibuster
+    host: 127.0.0.1
+    port: 3112
+    collect_response_time: true
+    skip_event: true
+
+  - name: weave
+    host: 127.0.0.1
+    port: 6783
+    collect_response_time: true
+    skip_event: true