Merge pull request #10806 from hashicorp/munda/idempotent-job-dispatch

Enforce idempotency of dispatched jobs using token on dispatch request

vendor/github.com/hashicorp/nomad/api/api.go

@@ -93,6 +93,9 @@ type WriteOptions struct {
 	// ctx is an optional context pass through to the underlying HTTP
 	// request layer. Use Context() and WithContext() to manage this.
 	ctx context.Context
+
+	// IdempotencyToken can be used to ensure the write is idempotent.
+	IdempotencyToken string
 }
 
 // QueryMeta is used to return meta data about a query
@@ -593,6 +596,9 @@ func (r *request) setWriteOptions(q *WriteOptions) {
 	if q.AuthToken != "" {
 		r.token = q.AuthToken
 	}
+	if q.IdempotencyToken != "" {
+		r.params.Set("idempotency_token", q.IdempotencyToken)
+	}
 	r.ctx = q.Context()
 }