feat: enhance database and storage management with Longhorn support

lib/database.ts

@@ -9,6 +9,7 @@ export const DATABASE_NAMESPACE = "database";
 export const DATABASE_CLUSTER = "postgres";
 export const DATABASE_HOST = `c.${DATABASE_NAMESPACE}.svc.cluster.local`;
 export const DATABASE_PORT = 5432;
+export const REDIS_URL = "redis://redis.database.svc.cluster.local";
 export const DATABASE_PROJECT_LABEL = "kuber.dev/project";
 export const DATABASE_SERVICE_LABEL = "kuber.dev/service";
 
@@ -35,7 +36,7 @@ export type PostgresClaim = {
   secretName: string;
 };
 
-type RoleCredentials = {
+export type RoleCredentials = {
   username: string;
   password: string;
 };
@@ -59,6 +60,16 @@ export function buildDatabaseUrl(
   return `postgresql://${encodeConnectionComponent(credentials.username)}:${encodeConnectionComponent(credentials.password)}@${DATABASE_HOST}:${DATABASE_PORT}/${encodeConnectionComponent(claim.database)}`;
 }
 
+export function buildPostgresEnvironment(
+  claim: PostgresClaim,
+  credentials: RoleCredentials,
+): Record<string, string> {
+  return {
+    DATABASE_URL: buildDatabaseUrl(claim, credentials),
+    REDIS_URL,
+  };
+}
+
 function parsePostgresVolumeString(
   entry: string,
 ): Omit<PostgresClaim, "service" | "secretName"> | undefined {
@@ -314,6 +325,16 @@ async function reconcileDatabases(
   }
 }
 
+export async function reconcilePostgresClaim(
+  project: string,
+  claim: PostgresClaim,
+): Promise<RoleCredentials> {
+  const credentials = await ensureRoleSecret(claim);
+  await reconcileManagedRoles([claim]);
+  await reconcileDatabases(project, [claim]);
+  return credentials;
+}
+
 export async function reconcilePostgresClaims(
   project: string,
   compose: ComposeSpecification,
@@ -337,12 +358,7 @@ export async function reconcilePostgresClaims(
         throw new Error(`Missing credentials for ${claim.secretName}`);
       }
 
-      return [
-        claim.service,
-        {
-          DATABASE_URL: buildDatabaseUrl(claim, credentials),
-        },
-      ];
+      return [claim.service, buildPostgresEnvironment(claim, credentials)];
     }),
   );
 }