Nginx stats (#641)

* use normal amount of api servers

* fix api

* add nginx status

* add conf file

Author: anandkumarpatel

ansible/api-core.yml

@@ -27,4 +27,4 @@
     tags: [ datadog ]
 
   - role: container_start
-    number_of_containers: "{{ ansible_processor_cores * 2 }}"
+    number_of_containers: "{{ ansible_processor_cores }}"

ansible/delta-hosts/hosts

@@ -32,6 +32,7 @@ socket-server
 
 [api]
 delta-api
+delta-api-2
 
 [consul]
 delta-consul-a

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

@@ -3,4 +3,7 @@ init_config:
 instances:
   # For every instance, you have an `nginx_status_url` and (optionally)
   # a list of tags.
-  - nginx_status_url: http://{{ ansible_default_ipv4.address }}/basic_status
+  - nginx_status_url: http://localhost/nginx_status
+    tags:
+    - service:ingress
+    - env:delta

ansible/roles/runnable-domain-proxy/tasks/main.yml

@@ -73,6 +73,13 @@
     src: mixpanel.tmpl
     dest: /etc/nginx/other-sites-enabled/mixpanel.conf
 
+- name: put nginx status template in place
+  tags: [ configure_proxy, configure_files ]
+  become: yes
+  template:
+    src: nginx-status.conf
+    dest: /etc/nginx/other-sites-enabled/nginx-status.conf
+
 - name: put api template in place
   tags: [ configure_proxy, configure_files ]
   become: yes

ansible/roles/runnable-domain-proxy/templates/nginx-status.conf

@@ -0,0 +1,10 @@
+server {
+  listen 80;
+  listen [::]:80;
+  server_name localhost;
+
+  location /nginx_status {
+    access_log off;
+    stub_status on;
+  }
+}

ssh/config

@@ -136,6 +136,9 @@ Host 10.8.*.*
 Host delta-api
   ProxyCommand ssh -q ubuntu@delta-bastion nc 10.8.14.25 22
 
+Host delta-api-2
+  ProxyCommand ssh -q ubuntu@delta-bastion nc 10.8.12.242 22
+
 Host delta-api-worker
   ProxyCommand ssh -q ubuntu@delta-bastion nc 10.8.14.24 22