added code to make it easier to add tags to tagging workshop

Author: dmitchsplunk

workshop/tagging/7-apply-creditcheckservice-changes.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+# This setup script will replace the main.py file for the credit check service
+# with a version that already includes the tagging changes
+#
+cp creditcheckservice/main-with-tags.py creditcheckservice/main.py
+
+echo ""
+echo Applied the tagging changes to creditcheckservice.

workshop/tagging/creditcheckservice/main-with-tags.py

@@ -0,0 +1,59 @@
+import requests
+from flask import Flask, request
+from waitress import serve
+from opentelemetry import trace  # <--- ADDED BY WORKSHOP
+
+app = Flask(__name__)
+
+@app.route('/')
+def hello():
+    return 'Hello'
+
+@app.route('/test')
+def test_it():
+    return 'OK'
+
+@app.route('/check')
+def credit_check():
+    current_span = trace.get_current_span()  # <--- ADDED BY WORKSHOP
+    customerNum = request.args.get('customernum')
+    current_span.set_attribute("customer.num", customerNum)  # <--- ADDED BY WORKSHOP
+
+    # Get Credit Score
+    creditScoreReq = requests.get("http://creditprocessorservice:8899/getScore?customernum=" + customerNum)
+    creditScoreReq.raise_for_status()
+    creditScore = int(creditScoreReq.text)
+    current_span.set_attribute("credit.score", creditScore)  # <--- ADDED BY WORKSHOP
+
+    creditScoreCategory = getCreditCategoryFromScore(creditScore)
+    current_span.set_attribute("credit.score.category", creditScoreCategory)  # <--- ADDED BY WORKSHOP
+
+    # Run Credit Check
+    creditCheckReq = requests.get("http://creditprocessorservice:8899/runCreditCheck?customernum=" + str(customerNum) + "&score=" + str(creditScore))
+    creditCheckReq.raise_for_status()
+    checkResult = str(creditCheckReq.text)
+    current_span.set_attribute("credit.check.result", checkResult)  # <--- ADDED BY WORKSHOP
+
+    return checkResult
+
+def getCreditCategoryFromScore(score):
+    creditScoreCategory = ''
+    match score:
+        case num if num > 850:
+            creditScoreCategory = 'impossible'
+        case num if 800 <= num <= 850 :
+            creditScoreCategory = 'exceptional'
+        case num if 740 <= num < 800 :
+            creditScoreCategory = 'very good'
+        case num if 670 <= num < 740 :
+            creditScoreCategory = 'good'
+        case num if 580 <= num < 670 :
+            creditScoreCategory = 'fair'
+        case num if 300 <= num < 580 :
+            creditScoreCategory = 'poor'
+        case _:
+            creditScoreCategory = 'impossible'
+    return creditScoreCategory
+
+if __name__ == '__main__':
+    serve(app, port=8888)