Bigquery credentials warning (#366)

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: JakeSCahill

.gitignore

@@ -8,4 +8,6 @@ docs
 docs-data/connect-info-*.csv
 docs-data/._*-clean.json
 docs-data/._*-augmented.json.tmp
-docs-data/*-augmented.json.tmp
+docs-data/*-augmented.json.tmp
+full_output.txt
+pr_summary.txt

docs-data/connect-diff-4.77.0_to_4.78.0.json

@@ -2,7 +2,7 @@
   "comparison": {
     "oldVersion": "4.77.0",
     "newVersion": "4.78.0",
-    "timestamp": "2026-01-22T17:55:39.803Z"
+    "timestamp": "2026-01-24T12:15:53.525Z"
   },
   "summary": {
     "newComponents": 0,

docs-data/overrides.json

@@ -3647,7 +3647,7 @@
           },
           {
             "name": "credentials_json",
-            "description": "Sets the  https://developers.google.com/workspace/guides/create-credentials#create_credentials_for_a_service_account[Google Service Account Credentials JSON^] (optional)."
+            "description": "Sets the https://developers.google.com/workspace/guides/create-credentials#create_credentials_for_a_service_account[Google Service Account Credentials JSON^] (optional).\n\nWARNING: When using xref:configuration:interpolation.adoc#bloblang-queries[interpolation functions] to populate this field, wrap the function in single quotes, not double quotes. For example, use `'${secrets.GCP_CREDENTIALS_JSON}'` instead of `\"${secrets.GCP_CREDENTIALS_JSON}\"`. Double quotes cause JSON parsing errors because the credentials already contain JSON content."
           },
           {
             "name": "csv",

full_output.txt

@@ -28914,7 +28914,7 @@
             "name": "credentials_json",
             "type": "string",
             "kind": "scalar",
-            "description": "Sets the  https://developers.google.com/workspace/guides/create-credentials#create_credentials_for_a_service_account[Google Service Account Credentials JSON^] (optional).",
+            "description": "Sets the https://developers.google.com/workspace/guides/create-credentials#create_credentials_for_a_service_account[Google Service Account Credentials JSON^] (optional).\n\nWARNING: When using xref:configuration:interpolation.adoc#bloblang-queries[interpolation functions] to populate this field, wrap the function in single quotes, not double quotes. For example, use `'${secrets.GCP_CREDENTIALS_JSON}'` instead of `\"${secrets.GCP_CREDENTIALS_JSON}\"`. Double quotes cause JSON parsing errors because the credentials already contain JSON content.",
             "is_secret": true,
             "default": "",
             "scrubber": "root = if this != null && this != \"\" && !this.trim().re_match(\"\"\"^\\${[0-9A-Za-z_.]+(:((\\${[^}]+})|[^}])*)?}$\"\"\") {\n  \"!!!SECRET_SCRUBBED!!!\"\n} else if this == null { \"\" }"

modules/components/attachments/connect-4.78.0.json

@@ -138,7 +138,9 @@ Specifies the circumstances under which a destination table is created.
 
 === `credentials_json`
 
-Sets the  https://developers.google.com/workspace/guides/create-credentials#create_credentials_for_a_service_account[Google Service Account Credentials JSON^] (optional).
+Sets the https://developers.google.com/workspace/guides/create-credentials#create_credentials_for_a_service_account[Google Service Account Credentials JSON^] (optional).
+
+WARNING: When using xref:configuration:interpolation.adoc#bloblang-queries[interpolation functions] to populate this field, wrap the function in single quotes, not double quotes. For example, use `'${secrets.GCP_CREDENTIALS_JSON}'` instead of `"${secrets.GCP_CREDENTIALS_JSON}"`. Double quotes cause JSON parsing errors because the credentials already contain JSON content.
 
 include::redpanda-connect:components:partial$secret_warning.adoc[]