1 files changed, 109 insertions, 0 deletions
diff --git a/fluent-bit/src/http_server/api/v1/plugins.c b/fluent-bit/src/http_server/api/v1/plugins.c
new file mode 100644
index 000000000..1b63843cf
--- /dev/null
+++ b/fluent-bit/src/http_server/api/v1/plugins.c
@@ -0,0 +1,109 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+
+/*  Fluent Bit
+ *  ==========
+ *  Copyright (C) 2015-2022 The Fluent Bit Authors
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#include <fluent-bit/flb_info.h>
+#include <fluent-bit/flb_pack.h>
+#include <fluent-bit/flb_input.h>
+#include <fluent-bit/flb_filter.h>
+#include <fluent-bit/flb_output.h>
+#include <fluent-bit/flb_sds.h>
+#include <fluent-bit/flb_http_server.h>
+#include <msgpack.h>
+
+/* API: List all built-in plugins */
+static void cb_plugins(mk_request_t *request, void *data)
+{
+    int len;
+    flb_sds_t out_buf;
+    msgpack_packer mp_pck;
+    msgpack_sbuffer mp_sbuf;
+    struct mk_list *head;
+    struct flb_input_plugin *in;
+    struct flb_filter_plugin *filter;
+    struct flb_output_plugin *out;
+    struct flb_hs *hs = data;
+    struct flb_config *config = hs->config;
+
+    /* initialize buffers */
+    msgpack_sbuffer_init(&mp_sbuf);
+    msgpack_packer_init(&mp_pck, &mp_sbuf, msgpack_sbuffer_write);
+
+    msgpack_pack_map(&mp_pck, 1);
+    msgpack_pack_str(&mp_pck, 7);
+    msgpack_pack_str_body(&mp_pck, "plugins", 7);
+
+    /*
+     * plugins are: inputs, filters, outputs
+     */
+    msgpack_pack_map(&mp_pck, 3);
+
+    /* Inputs */
+    msgpack_pack_str(&mp_pck, 6);
+    msgpack_pack_str_body(&mp_pck, "inputs", 6);
+    len = mk_list_size(&config->in_plugins);
+    msgpack_pack_array(&mp_pck, len);
+    mk_list_foreach(head, &hs->config->in_plugins) {
+        in = mk_list_entry(head, struct flb_input_plugin, _head);
+        len = strlen(in->name);
+        msgpack_pack_str(&mp_pck, len);
+        msgpack_pack_str_body(&mp_pck, in->name, len);
+    }
+
+    /* Filters */
+    msgpack_pack_str(&mp_pck, 7);
+    msgpack_pack_str_body(&mp_pck, "filters", 7);
+    len = mk_list_size(&config->filter_plugins);
+    msgpack_pack_array(&mp_pck, len);
+    mk_list_foreach(head, &config->filter_plugins) {
+        filter = mk_list_entry(head, struct flb_filter_plugin, _head);
+        len = strlen(filter->name);
+        msgpack_pack_str(&mp_pck, len);
+        msgpack_pack_str_body(&mp_pck, filter->name, len);
+    }
+
+    /* Outputs */
+    msgpack_pack_str(&mp_pck, 7);
+    msgpack_pack_str_body(&mp_pck, "outputs", 7);
+    len = mk_list_size(&config->out_plugins);
+    msgpack_pack_array(&mp_pck, len);
+    mk_list_foreach(head, &config->out_plugins) {
+        out = mk_list_entry(head, struct flb_output_plugin, _head);
+        len = strlen(out->name);
+        msgpack_pack_str(&mp_pck, len);
+        msgpack_pack_str_body(&mp_pck, out->name, len);
+    }
+
+    /* Export to JSON */
+    out_buf = flb_msgpack_raw_to_json_sds(mp_sbuf.data, mp_sbuf.size);
+    msgpack_sbuffer_destroy(&mp_sbuf);
+
+    mk_http_status(request, 200);
+    mk_http_send(request,
+                 out_buf, flb_sds_len(out_buf), NULL);
+    mk_http_done(request);
+
+    flb_sds_destroy(out_buf);
+}
+
+/* Perform registration */
+int api_v1_plugins(struct flb_hs *hs)
+{
+    mk_vhost_handler(hs->ctx, hs->vid, "/api/v1/plugins", cb_plugins, hs);
+    return 0;
+}