From 7236e0c1bed4213c1c8f8948b7fd4d8263b28980 Mon Sep 17 00:00:00 2001
From: Stephan Renatus <stephan@styra.com>
Date: Thu, 18 Jul 2024 14:13:48 +0200
Subject: [PATCH] opa-react-demo: add RP connect and djblue/portal for DL
 viewing

This introduces an out-of-band web UI for inspecting decision logs.
When the services are up, you can view the decision logs via Portal
on http://127.0.0.1:5678.
---
 opa-react-demo/connect.yml          | 20 ++++++++++++++++++++
 opa-react-demo/docker-compose.yaml  | 18 ++++++++++++++++++
 opa-react-demo/eopa.yml             |  8 ++++++++
 opa-react-demo/portal/Dockerfile    |  7 +++++++
 opa-react-demo/portal/deps.edn      |  1 +
 opa-react-demo/portal/src/start.clj |  6 ++++++
 6 files changed, 60 insertions(+)
 create mode 100644 opa-react-demo/connect.yml
 create mode 100644 opa-react-demo/eopa.yml
 create mode 100644 opa-react-demo/portal/Dockerfile
 create mode 100644 opa-react-demo/portal/deps.edn
 create mode 100644 opa-react-demo/portal/src/start.clj

diff --git a/opa-react-demo/connect.yml b/opa-react-demo/connect.yml
new file mode 100644
index 0000000..88c5a09
--- /dev/null
+++ b/opa-react-demo/connect.yml
@@ -0,0 +1,20 @@
+input:
+  broker:
+    inputs:
+    - http_server:
+        path: /post/logs
+      processors:
+      - decompress:
+          algorithm: gzip
+      - unarchive:
+          format: json_array
+
+buffer:
+  memory: {}
+
+output:
+  http_client:
+    url: http://portal:5678/submit
+    verb: POST
+    headers:
+      "Content-Type": application/json
diff --git a/opa-react-demo/docker-compose.yaml b/opa-react-demo/docker-compose.yaml
index 7fb0835..412b512 100644
--- a/opa-react-demo/docker-compose.yaml
+++ b/opa-react-demo/docker-compose.yaml
@@ -15,8 +15,26 @@ services:
       - --server
       - --addr=:8181
       - --log-level=debug
+      - --config-file=/eopa.yml
       - /policies
     volumes:
       - ./policies:/policies
+      - ./eopa.yml:/eopa.yml
     environment:
       EOPA_LICENSE_KEY: ${EOPA_LICENSE_KEY}
+
+  portal:
+    build: portal
+    ports:
+      - "5678:5678"
+
+  connect:
+    image: docker.redpanda.com/redpandadata/redpanda:latest
+    ports:
+    - "4195:4195"
+    command:
+    - connect
+    - run
+    - /connect.yml
+    volumes:
+    - ./connect.yml:/connect.yml
diff --git a/opa-react-demo/eopa.yml b/opa-react-demo/eopa.yml
new file mode 100644
index 0000000..bdfbe2e
--- /dev/null
+++ b/opa-react-demo/eopa.yml
@@ -0,0 +1,8 @@
+services:
+- name: connect
+  url: http://connect:4195/post
+decision_logs:
+  service: connect
+  reporting:
+    min_delay_seconds: 0
+    max_delay_seconds: 1
diff --git a/opa-react-demo/portal/Dockerfile b/opa-react-demo/portal/Dockerfile
new file mode 100644
index 0000000..ff936ef
--- /dev/null
+++ b/opa-react-demo/portal/Dockerfile
@@ -0,0 +1,7 @@
+FROM clojure:tools-deps-bullseye-slim
+WORKDIR /app
+COPY . .
+
+EXPOSE 5678
+# TODO(sr): build at build time, run uberjar here
+ENTRYPOINT ["clj", "-X", "start/run"]
diff --git a/opa-react-demo/portal/deps.edn b/opa-react-demo/portal/deps.edn
new file mode 100644
index 0000000..b8acca5
--- /dev/null
+++ b/opa-react-demo/portal/deps.edn
@@ -0,0 +1 @@
+{:deps {djblue/portal {:mvn/version "0.57.0"}}}
diff --git a/opa-react-demo/portal/src/start.clj b/opa-react-demo/portal/src/start.clj
new file mode 100644
index 0000000..241c789
--- /dev/null
+++ b/opa-react-demo/portal/src/start.clj
@@ -0,0 +1,6 @@
+(ns start
+  (:require [portal.api :as p]))
+
+(defn run [_]
+  (p/start {:port 5678})
+  @(promise))