builder: Explicitly log task id to track SLI

Each 'Task id' corresponds to a 'Compose id' in case everything works as
expected. In order to be able to track both in Splunk to measure our
first service level indicator (SLI) we need to explicitly log the 'Task
id' when it is received by the plugin.

plugins/builder/osbuild.py

@@ -20,6 +20,7 @@
 import json
 import sys
 import time
+import logging
 import urllib.parse
 
 from string import Template
@@ -32,7 +33,6 @@
 from koji.daemon import fast_incremental_upload
 from koji.tasks import BaseTaskHandler
 
-
 DEFAULT_COMPOSER_URL = "https://localhost"
 DEFAULT_KOJIHUB_URL = "https://localhost/kojihub"
 DEFAULT_CONFIG_FILES = [
@@ -508,6 +508,7 @@ def __init__(self, task_id, method, params, session, options):
         self.composer_url = cfg["composer"]["server"]
         self.koji_url = cfg["koji"]["server"]
         self.client = Client(self.composer_url)
+        self.logger = logging.getLogger('koji.plugin.osbuild')
 
         self.logger.debug("composer: %s", self.composer_url)
         self.logger.debug("koji: %s", self.composer_url)
@@ -650,7 +651,7 @@ def handler(self, name, version, distro, image_type, target, arches, opts):
         self.logger.debug("Building image via osbuild %s, %s, %s, %s",
                           name, str(arches), str(target), str(opts))
 
-        self.logger.debug("Task id: %s", str(self.id))
+        self.logger.info("Task id: %s", str(self.id))
 
         target_info = self.session.getBuildTarget(target, strict=True)
         if not target_info: