Parse performance.json file and send to separate index

This commit is providing additional parameter to configure
logsender tool to parse the performance.json file and push it
into separate index.

Change-Id: I738dc2f50fb55d41a4701baea945acdfe08f9809

ansible/playbooks/deploy-services.yml

@@ -22,6 +22,7 @@
         logsender_workers: 10
         logsender_wait_time: 10
         skip_debug: true
+        performance_index_prefix: "performance-"
   roles:
     - logscraper
     - logsender

ansible/roles/logsender/defaults/main.yml

@@ -28,4 +28,5 @@ container_images:
 #     logsender_wait_time: 60
 #     custom_ca_crt: ""
 #     skip_debug: false
+#     performance_index_prefix: ""
 tenant_builds: []

ansible/roles/logsender/templates/config.yaml.j2

@@ -18,3 +18,4 @@ workers: {{ item['logsender_workers'] | default(1) }}
 ignore_es_status: {{ item['ignore_es_status'] | default(false) }}
 directory: {{ item['download_dir'] | default('/tmp/logscraper') }}
 file_list: {{ logscraper_dir }}/download-list-{{ item['tenant'] }}.yaml
+performance_index_prefix: {{ item['performance_index_prefix'] | default('') }}