feat: allow xqwatcher dd to be intependently toggled

Author: jansenk

playbooks/roles/xqwatcher/defaults/main.yml

@@ -76,6 +76,8 @@ XQWATCHER_NEWRELIC_APPNAME: "{{ COMMON_DEPLOYMENT }}-{{ COMMON_ENVIRONMENT }}-xq
 XQWATCHER_PIP_EXTRA_ARGS: "-i {{ COMMON_PYPI_MIRROR_URL }}"
 
 XQWATCHER_DATADOG_APPNAME: "edx-{{ xqwatcher_service_name }}"
+XQWATCHER_DATADOG_ENABLED: "{{COMMON_ENABLE_DATADOG and COMMON_ENABLE_DATADOG_APP}}"
+
 #
 #
 # vars are namespace with the module name.

playbooks/roles/xqwatcher/tasks/deploy_watcher.yml

@@ -15,7 +15,7 @@
     - install:app-requirements
 
 - name: "Install Datadog APM requirements"
-  when: COMMON_ENABLE_DATADOG and COMMON_ENABLE_DATADOG_APP
+  when: XQWATCHER_DATADOG_ENABLED
   pip:
     name:
       - ddtrace

playbooks/roles/xqwatcher/templates/edx/app/supervisor/conf.d/xqwatcher.conf.j2

@@ -8,7 +8,7 @@
 {% else %}
 {% set executable = xqwatcher_venv_dir + '/bin/python' %}
 {% endif %}
-{% if COMMON_ENABLE_DATADOG and COMMON_ENABLE_DATADOG_APP %}
+{% if XQWATCHER_DATADOG_ENABLED %}
 {% set executable = xqwatcher_venv_dir + '/bin/ddtrace-run ' + executable %}
 {% endif -%}
 
@@ -21,6 +21,6 @@ stdout_logfile={{ supervisor_log_dir }}/%(program_name)s-stdout.log
 stderr_logfile={{ supervisor_log_dir }}/%(program_name)s-stderr.log
 # Copied DD_TRACE_LOG_STREAM_HANDLER config from edx_django_service. This is required
 # to disable Datadog trace debug logging.
-environment={% if COMMON_ENABLE_NEWRELIC_APP %}NEW_RELIC_APP_NAME={{ XQWATCHER_NEWRELIC_APPNAME }},NEW_RELIC_LICENSE_KEY={{ NEWRELIC_LICENSE_KEY }},{% endif -%}{% if COMMON_ENABLE_DATADOG and COMMON_ENABLE_DATADOG_APP %}DD_DJANGO_USE_HANDLER_RESOURCE_FORMAT=true,DD_TAGS="service:{{ XQWATCHER_DATADOG_APPNAME }} version:{{ app_version }}",DD_TRACE_LOG_STREAM_HANDLER=false,DD_PROFILING_ENABLED=true,DD_DATA_STREAMS_ENABLED=true,{% endif -%}
+environment={% if COMMON_ENABLE_NEWRELIC_APP %}NEW_RELIC_APP_NAME={{ XQWATCHER_NEWRELIC_APPNAME }},NEW_RELIC_LICENSE_KEY={{ NEWRELIC_LICENSE_KEY }},{% endif -%}{% if XQWATCHER_DATADOG_ENABLED %}DD_DJANGO_USE_HANDLER_RESOURCE_FORMAT=true,DD_TAGS="service:{{ XQWATCHER_DATADOG_APPNAME }} version:{{ app_version }}",DD_TRACE_LOG_STREAM_HANDLER=false,DD_PROFILING_ENABLED=true,DD_DATA_STREAMS_ENABLED=true,{% endif -%}
 killasgroup=true
 stopasgroup=true