cortex: add ElasticSearch index creation

Signed-off-by: Jakub Sokołowski <[email protected]>

ansible/roles/cortex/defaults/main.yml

@@ -7,6 +7,10 @@ cortex_version: '3.1.0-RC1'
 cortex_binary_url: 'https://status-misc.ams3.digitaloceanspaces.com/cortex-{{ cortex_version }}.zip'
 cortex_binary_md5: '56ca44fc059b6c094ea2605994948bcb'
 
+# Database
+# WARNING: Name changes with versions!
+cortex_index_name: 'cortex_4'
+
 # Paths
 cortex_install_path: '/opt/{{ cortex_service_name }}'
 cortex_conf_path: '/etc/cortex'

ansible/roles/cortex/tasks/index.yml

@@ -0,0 +1,20 @@
+---
+- name: Create the ElasticSearch index
+  uri:
+    url: 'http://{{ cortex_search_nodes[0].addr }}:{{ cortex_search_nodes[0].port }}/{{ cortex_index_name }}'
+    method: 'PUT'
+    return_content: true
+    status_code: [ 201, 400 ]
+  register: es_resp
+
+- name: Verify that index was creates
+  assert:
+    that: '{{ es_resp.json["acknowledged"] == true }}'
+    fail_msg: 'Failed to create ElasticSearch index: {{ cortex_index_name }}'
+  when: es_resp.status == 201
+
+- name: Verify that index already exists
+  assert:
+    that: '{{ es_resp.json["error"]["type"] == "resource_already_exists_exception" }}'
+    fail_msg: 'Failed to create ElasticSearch index: {{ cortex_index_name }}'
+  when: es_resp.status == 400

ansible/roles/cortex/tasks/main.yml

@@ -5,8 +5,11 @@
 - name: Create config files
   import_tasks: config.yml
 
-- name: Create systemd service
+- name: Create ElasticSearch Index
+  import_tasks: index.yml
+
+- name: Create Systemd service
   import_tasks: service.yml
 
-- name: Create consul definition
+- name: Create Consul definition
   import_tasks: consul.yml