Adding upstream version 1.34.4.

Signed-off-by: Daniel Baumann <daniel@debian.org>

plugins/processors/starlark/testdata/multiple_metrics_with_json.star

@@ -0,0 +1,27 @@
+# Example showing how to create several metrics from a json array.
+#
+# Example Input:
+# json value="[{\"label\": \"hello\"}, {\"label\": \"world\"}]"
+#
+# Example Output:
+# json value="hello" 1618488000000000999
+# json value="world" 1618488000000000999
+
+# loads json.encode(), json.decode(), json.indent()
+load("json.star", "json")
+load("time.star", "time")
+
+def apply(metric):
+    # Initialize a list of metrics
+    metrics = []
+    # Loop over the json array stored into the field 
+    for obj in json.decode(metric.fields['value']):
+        # Create a new metric whose name is "json"
+        current_metric = Metric("json")
+        # Set the field "value" to the label extracted from the current json object
+        current_metric.fields["value"] = obj["label"]
+        # Reset the time (only needed for testing purpose)
+        current_metric.time = time.now().unix_nano
+        # Add metric to the list of metrics
+        metrics.append(current_metric)
+    return metrics