Add field for nonfirst LA attempts count (#261)

Author: Sushisource

temporal/api/common/v1/message.proto

@@ -110,3 +110,14 @@ message RetryPolicy {
     // this is not a substring match, the error *type* (not message) must match exactly.
     repeated string non_retryable_error_types = 5;
 }
+
+// Metadata relevant for metering purposes
+message MeteringMetadata {
+    // Count of local activities which have begun an execution attempt during this workflow task,
+    // and whose first attempt occurred in some previous task. This is used for metering
+    // purposes, and does not affect workflow state.
+    //
+    // (-- api-linter: core::0141::forbidden-types=disabled
+    //     aip.dev/not-precedent: Negative values make no sense to represent. --)
+    uint32 nonfirst_local_activity_execution_attempts = 13;
+}

temporal/api/history/v1/message.proto

@@ -199,6 +199,8 @@ message WorkflowTaskCompletedEventAttributes {
     // Data the SDK wishes to record for itself, but server need not interpret, and does not
     // directly impact workflow state.
     temporal.api.sdk.v1.WorkflowTaskCompletedMetadata sdk_metadata = 6;
+    // Local usage data sent during workflow task completion and recorded here for posterity
+    temporal.api.common.v1.MeteringMetadata metering_metadata = 13;
 }
 
 message WorkflowTaskTimedOutEventAttributes {

temporal/api/workflowservice/v1/request_response.proto

@@ -320,6 +320,8 @@ message RespondWorkflowTaskCompletedRequest {
     // Data the SDK wishes to record for itself, but server need not interpret, and does not
     // directly impact workflow state.
     temporal.api.sdk.v1.WorkflowTaskCompletedMetadata sdk_metadata = 12;
+    // Local usage data collected for metering
+    temporal.api.common.v1.MeteringMetadata metering_metadata = 13;
 }
 
 message RespondWorkflowTaskCompletedResponse {