fix: remove export big variables

email-notification/README-email-notification-json.md

@@ -41,8 +41,9 @@ This set of scripts is designed to analyze test results from the `allure-results
 
 After executing `generate-email-notification-json.sh`, the following environment variables are available:
 
-- `GENERATED_JSON` - Content of the generated JSON file
-- `JSON_FILE` - Path to the JSON results file
+- `JSON_FILE` - Path to the JSON results file (read content with `jq`/`cat`; not exported as env to avoid ARG_MAX limits)
+
+Full JSON content is **not** exported as an environment variable; use `$JSON_FILE`.
 
 ## Environment Variables
 
@@ -62,7 +63,7 @@ The script uses the following environment variables for JSON generation:
 - `REPORT_VIEW_HOST_URL` - Host for viewing reports
 - `ALLURE_REPORT_URL` - Path to reports folder
 - `TIMESTAMP` - Timestamp
-- `TEST_DETAILS_STRING` - String with details of all tests (converted to JSON array)
+- `TEST_DETAILS_STRING` - String with details of all tests (used during generation only; not exported — large runs would exceed ARG_MAX)
 
 ## Generated JSON Structure
 
@@ -117,9 +118,9 @@ json_content=$(generate_email_notification_json)
 # Use the result
 echo "$json_content"
 
-# Or use exported variables
+# Or use exported path and read file
 echo "JSON file: $JSON_FILE"
-echo "Content: $GENERATED_JSON"
+jq . "$JSON_FILE"
 
 # File will be saved to: ../email-notification-generated/email-notification-results-generated.json
 ```
@@ -134,10 +135,8 @@ The `generate_email_notification_json` function does not accept parameters.
 
 ### Return Values
 
-The function returns:
-- **Generated JSON content** (output to stdout)
-- **Environment variable `GENERATED_JSON`** - JSON content
-- **Environment variable `JSON_FILE`** - path to JSON file
+The function writes JSON to disk and exports:
+- **Environment variable `JSON_FILE`** - path to JSON file (consumers read file; JSON is not stored in env)
 
 ## Differences from Text Version
 

email-notification/calculate-email-notification-variables.sh

@@ -145,7 +145,6 @@ for test_detail in "${test_details[@]}"; do
         TEST_DETAILS_STRING="$test_detail"
     fi
 done
-export TEST_DETAILS_STRING="$TEST_DETAILS_STRING"
 
 # Display summary
 echo ""

email-notification/generate-email-notification-json.sh

@@ -239,11 +239,9 @@ generate_email_notification_json() {
     log_success "JSON generated successfully: $output_file"
 
 
-    # Export the JSON content as environment variable for use in other scripts
-    export GENERATED_JSON="$json_content"
     export JSON_FILE="$output_file"
 
-    log_info "Environment variables exported: GENERATED_JSON, JSON_FILE"
+    log_info "Environment variables exported: JSON_FILE"
 
     # Return the JSON content
     # echo "$json_content"

push-metrics.sh

@@ -3,7 +3,7 @@
 # Push test result metrics to Prometheus Pushgateway / VictoriaMetrics
 #
 # Reads from:
-#   - $GENERATED_JSON (env var set by generate_email_notification_json)
+#   - $JSON_FILE (path set by generate_email_notification_json)
 #   - /tmp/clone/allure-results/*-result.json (individual Allure result files)
 #
 # Feature toggle:
@@ -167,26 +167,26 @@ push_metrics() {
         return 1
     fi
 
-    if [[ -z "${GENERATED_JSON:-}" ]]; then
-        echo "❌ push_metrics: GENERATED_JSON is not set. Run generate_email_notification_json first."
+    if [[ -z "${JSON_FILE:-}" ]] || [[ ! -f "${JSON_FILE}" ]]; then
+        echo "❌ push_metrics: JSON_FILE is not set or missing. Run generate_email_notification_json first."
         return 1
     fi
 
     local allure_results_dir="/tmp/clone/allure-results"
     local env="${ENVIRONMENT_NAME:-unknown}"
 
     # -------------------------------------------------------------------------
-    # Parse scope-level statistics from GENERATED_JSON
+    # Parse scope-level statistics from JSON_FILE
     # -------------------------------------------------------------------------
     local pass_rate total passed failed skipped overall_status
-    pass_rate=$(echo "$GENERATED_JSON"    | jq -r '.test_results.pass_rate        // 0')
-    total=$(echo "$GENERATED_JSON"        | jq -r '.test_results.total_count      // 0')
-    passed=$(echo "$GENERATED_JSON"       | jq -r '.test_results.passed_count     // 0')
-    failed=$(echo "$GENERATED_JSON"       | jq -r '.test_results.failed_count     // 0')
-    skipped=$(echo "$GENERATED_JSON"      | jq -r '.test_results.skipped_count    // 0')
-    overall_status=$(echo "$GENERATED_JSON" | jq -r '.test_results.overall_status // "UNKNOWN"')
-
-    echo "GENERATED_JSON content parsing results:" 
+    pass_rate=$(jq -r '.test_results.pass_rate        // 0' "$JSON_FILE")
+    total=$(jq -r '.test_results.total_count      // 0' "$JSON_FILE")
+    passed=$(jq -r '.test_results.passed_count     // 0' "$JSON_FILE")
+    failed=$(jq -r '.test_results.failed_count     // 0' "$JSON_FILE")
+    skipped=$(jq -r '.test_results.skipped_count    // 0' "$JSON_FILE")
+    overall_status=$(jq -r '.test_results.overall_status // "UNKNOWN"' "$JSON_FILE")
+
+    echo "JSON content parsing results:" 
     echo "pass_rate: $pass_rate"
     echo "total: $total"
     echo "passed: $passed"
@@ -304,13 +304,13 @@ push_metrics() {
             payload+="atp_test_case_duration_seconds{test_name=\"${safe_name}\",environment=\"${env}\",suite=\"${safe_suite}\"} ${duration}\n"
         done
     else
-        echo "⚠️ push_metrics: allure-results not found or empty, falling back to GENERATED_JSON test_details"
+        echo "⚠️ push_metrics: allure-results not found or empty, falling back to JSON_FILE test_details"
         local count
-        count=$(echo "$GENERATED_JSON" | jq '.test_details | length')
+        count=$(jq '.test_details | length' "$JSON_FILE")
         for ((i=0; i<count; i++)); do
             local test_name status result_val safe_name
-            test_name=$(echo "$GENERATED_JSON" | jq -r ".test_details[$i].test_name")
-            status=$(echo "$GENERATED_JSON"    | jq -r ".test_details[$i].status" | tr '[:upper:]' '[:lower:]')
+            test_name=$(jq -r ".test_details[$i].test_name" "$JSON_FILE")
+            status=$(jq -r ".test_details[$i].status" "$JSON_FILE" | tr '[:upper:]' '[:lower:]')
             result_val=0
             [[ "$status" == "passed" ]] && result_val=1
             safe_name="${test_name//\"/\\\"}"