Add HTTP basic authentication to some exporting connectors (#11394)

2 files changed, 8 insertions, 1 deletions

diff --git a/exporting/opentsdb/README.md b/exporting/opentsdb/README.md
index 3765ad2712..0ca6d2449c 100644
--- a/exporting/opentsdb/README.md
+++ b/exporting/opentsdb/README.md
@@ -22,7 +22,12 @@ directory and set the following options:
 ```
 
 Add `:http` or `:https` modifiers to the connector type if you need to use other than a plaintext protocol. For example: `opentsdb:http:my_opentsdb_instance`,
-`opentsdb:https:my_opentsdb_instance`.
+`opentsdb:https:my_opentsdb_instance`. You can set basic HTTP authentication credentials using
+
+```conf
+    username = my_username
+    password = my_password
+```
 
 The OpenTSDB connector is further configurable using additional settings. See the [exporting reference
 doc](/exporting/README.md#options) for details.
diff --git a/exporting/opentsdb/opentsdb.c b/exporting/opentsdb/opentsdb.c
index 1310c150e9..7ed88fd6d8 100644
--- a/exporting/opentsdb/opentsdb.c
+++ b/exporting/opentsdb/opentsdb.c
@@ -269,10 +269,12 @@ void opentsdb_http_prepare_header(struct instance *instance)
         simple_connector_data->last_buffer->header,
         "POST /api/put HTTP/1.1\r\n"
         "Host: %s\r\n"
+        "%s"
         "Content-Type: application/json\r\n"
         "Content-Length: %lu\r\n"
         "\r\n",
         instance->config.destination,
+        simple_connector_data->auth_string ? simple_connector_data->auth_string : "",
         buffer_strlen(simple_connector_data->last_buffer->buffer));
 
     return;