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Added: Postgrest Endpoint for Learnlytics Database; WIP: Swagger for Learnlytics endpoint

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DerGrumpf
2026-02-21 19:08:28 +01:00
parent c66af9c4e1
commit 6c842d4793
3 changed files with 166 additions and 70 deletions
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2
hosts/cyper-pi-1/configuration.nix
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@@ -8,7 +8,7 @@
./postgres.nix
./postgrest.nix
./swagger.nix
./k3s-master.nix
# ./k3s-master.nix
];
# Any RPi 4 specific customizations go here

54
hosts/cyper-pi-1/postgrest.nix
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@@ -5,7 +5,8 @@
{
# PostgREST service
systemd.services.postgrest = {
systemd.services = {
postgrest = {
description = "PostgREST - PostgreSQL REST API";
after = [
"postgresql.service"
@@ -22,26 +23,67 @@
};
};
# PostgREST service for learnlytics database
postgrest-learnlytics = {
description = "PostgREST - Learnlytics API";
after = [
"postgresql.service"
"network.target"
];
wantedBy = [ "multi-user.target" ];
serviceConfig = {
Type = "simple";
ExecStart = "${pkgs.postgrest}/bin/postgrest /etc/postgrest/postgrest-learnlytics.conf";
User = "postgrest";
Restart = "on-failure";
RestartSec = 5;
};
};
};
# Create postgrest user
users.users.postgrest = {
users = {
users.postgrest = {
isSystemUser = true;
group = "postgrest";
};
users.groups.postgrest = { };
groups.postgrest = { };
};
# PostgREST configuration file
environment.etc."postgrest/postgrest.conf".text = ''
db-uri = "postgres://postgres:postgres@127.0.0.1:5432/postgres"
environment.etc = {
"postgrest/postgrest.conf".text = ''
db-uri = "postgres://postgres:1P2h3i4lon@127.0.0.1:5432/postgres"
db-schema = "public"
db-anon-role = "web_anon"
server-host = "0.0.0.0"
server-port = 3000
server-proxy-uri = "http://192.168.2.200:3000"
jwt-secret = "no7WwM0xJa/Yzn5o4IZHG4oBNSShl4JRPZOcmhvnqFw="
server-cors-allowed-origins = "*"
openapi-server-proxy-uri = "http://192.168.2.200:3000"
'';
# PostgREST configuration for learnlytics database
"postgrest/postgrest-learnlytics.conf".text = ''
db-uri = "postgres://postgres:1P2h3i4lon@127.0.0.1:5432/learnlytics"
db-schema = "public"
db-anon-role = "web_anon"
server-host = "0.0.0.0"
server-port = 3001
server-proxy-uri = "http://192.168.2.200:3001"
jwt-secret = "dnjudqZC0Fby2DEo3Xt2nY98KlHxxqT7NWvLk5aKmew="
server-cors-allowed-origins = "*"
'';
};
# Open firewall port for PostgREST
networking.firewall.allowedTCPPorts = [ 3000 ];
networking.firewall.allowedTCPPorts = [
3000
3001
];
# Include postgrest in system packages
environment.systemPackages = with pkgs; [

86
hosts/cyper-pi-1/swagger.nix
View File

@@ -2,14 +2,15 @@
pkgs,
...
}:
{
# Swagger UI service
systemd.services.swagger-ui = {
description = "Swagger UI for PostgREST API";
after = [ "postgrest.service" "network.target" ];
description = "Swagger UI for PostgREST APIs";
after = [
"postgrest.service"
"network.target"
];
wantedBy = [ "multi-user.target" ];
serviceConfig = {
Type = "simple";
ExecStart = "${pkgs.nodePackages.http-server}/bin/http-server /var/lib/swagger-ui -p 8080 -c-1 --cors";
@@ -18,26 +19,48 @@
User = "swagger";
};
};
# Create swagger user
users.users.swagger = {
users = {
users.swagger = {
isSystemUser = true;
group = "swagger";
};
users.groups.swagger = {};
groups.swagger = { };
};
# Setup Swagger UI directory
systemd.tmpfiles.rules = [
"d /var/lib/swagger-ui 0755 swagger swagger"
];
# Create Swagger UI index.html that points to PostgREST OpenAPI
environment.etc."swagger-ui-init/index.html".text = ''
# Index page to select which API
environment.etc = {
"swagger-ui-init/index.html".text = ''
<!DOCTYPE html>
<html>
<head>
<title>Swagger UI - PostgREST API</title>
<title>PostgREST APIs</title>
<meta charset="utf-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
body { font-family: Arial; margin: 40px; }
a { display: block; margin: 10px 0; padding: 10px; background: #007bff; color: white; text-decoration: none; border-radius: 5px; width: 200px; text-align: center; }
a:hover { background: #0056b3; }
</style>
</head>
<body>
<h1>PostgREST APIs</h1>
<a href="/default">Default API (port 3000)</a>
<a href="/learnlytics">Learnlytics API (port 3001)</a>
</body>
</html>
'';
# Swagger UI for default API
"swagger-ui-init/default/index.html".text = ''
<!DOCTYPE html>
<html>
<head>
<title>Swagger UI - Default API</title>
<meta charset="utf-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/swagger-ui-dist@3/swagger-ui.css">
@@ -47,8 +70,9 @@
<script src="https://cdn.jsdelivr.net/npm/swagger-ui-dist@3/swagger-ui-bundle.js"></script>
<script src="https://cdn.jsdelivr.net/npm/swagger-ui-dist@3/swagger-ui-standalone-preset.js"></script>
<script>
const host = window.location.host.split(':')[0];
SwaggerUIBundle({
url: "http://localhost:3000/openapi.json",
url: "http://" + host + ":3000",
dom_id: '#swagger-ui',
presets: [
SwaggerUIBundle.presets.apis,
@@ -61,11 +85,42 @@
</html>
'';
# Swagger UI for learnlytics API
"swagger-ui-init/learnlytics/index.html".text = ''
<!DOCTYPE html>
<html>
<head>
<title>Swagger UI - Learnlytics API</title>
<meta charset="utf-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/swagger-ui-dist@3/swagger-ui.css">
</head>
<body>
<div id="swagger-ui"></div>
<script src="https://cdn.jsdelivr.net/npm/swagger-ui-dist@3/swagger-ui-bundle.js"></script>
<script src="https://cdn.jsdelivr.net/npm/swagger-ui-dist@3/swagger-ui-standalone-preset.js"></script>
<script>
const host = window.location.host.split(':')[0];
SwaggerUIBundle({
url: "http://" + host + ":3001",
dom_id: '#swagger-ui',
presets: [
SwaggerUIBundle.presets.apis,
SwaggerUIStandalonePreset
],
layout: "StandaloneLayout"
})
</script>
</body>
</html>
'';
};
# Copy Swagger UI files on startup
system.activationScripts.swagger-ui-setup = ''
mkdir -p /var/lib/swagger-ui
cp ${pkgs.swagger-ui}/share/swagger-ui/* /var/lib/swagger-ui/ 2>/dev/null || true
mkdir -p /var/lib/swagger-ui/default /var/lib/swagger-ui/learnlytics
cp /etc/swagger-ui-init/index.html /var/lib/swagger-ui/index.html
cp /etc/swagger-ui-init/default/index.html /var/lib/swagger-ui/default/index.html
cp /etc/swagger-ui-init/learnlytics/index.html /var/lib/swagger-ui/learnlytics/index.html
chown -R swagger:swagger /var/lib/swagger-ui
'';
@@ -74,7 +129,6 @@
# Include packages
environment.systemPackages = with pkgs; [
swagger-ui
nodePackages.http-server
];
}