first commit

src/controllers/log-controller.ts

@@ -0,0 +1,60 @@
+import { Controller, Get, Query, Route, Security } from "tsoa";
+import { Client as ElasticsearchClient } from "@elastic/elasticsearch";
+
+function getEnvVar(name: string) {
+  const value = process.env[name];
+  if (!value) throw new Error(`${name} is required.`);
+  return value;
+}
+
+const ELASTICSEARCH_PROTOCOL = getEnvVar("ELASTICSEARCH_PROTOCOL");
+const ELASTICSEARCH_HOST = getEnvVar("ELASTICSEARCH_HOST");
+const ELASTICSEARCH_PORT = getEnvVar("ELASTICSEARCH_PORT");
+const ELASTICSEARCH_INDEX = getEnvVar("ELASTICSEARCH_INDEX");
+
+const elasticsearch = new ElasticsearchClient({
+  node: `${ELASTICSEARCH_PROTOCOL}://${ELASTICSEARCH_HOST}:${ELASTICSEARCH_PORT}`,
+});
+
+@Route("/api/v1/log")
+@Security("keycloak")
+export class LogController extends Controller {
+  @Get()
+  async GET(
+    @Query() size: number = 30,
+    @Query() search?: string,
+    @Query() searchAfter?: number,
+    @Query() systemName?: string,
+  ) {
+    const queryData = await elasticsearch.search({
+      index: ELASTICSEARCH_INDEX,
+      query: {
+        bool: {
+          must: [
+            ...(systemName ? [{ match: { systemName } }] : []),
+            ...(search
+              ? [
+                  {
+                    bool: {
+                      should: [
+                        {
+                          multi_match: {
+                            query: search,
+                            fields: ["method", "logType", "endpoint", "host"],
+                          },
+                        },
+                      ],
+                    },
+                  },
+                ]
+              : []),
+          ],
+        },
+      },
+      search_after: searchAfter ? [searchAfter] : undefined,
+      sort: [{ startTimeStamp: "desc" }],
+      size: size,
+    });
+    return queryData.hits.hits;
+  }
+}