sal/kubernetes/examples/redis.rs
2025-07-08 16:37:10 +03:00

73 lines
2.4 KiB
Rust

//! Redis Cluster Deployment Example
//!
//! This example shows how to deploy a Redis cluster using the
//! KubernetesManager convenience methods.
use sal_kubernetes::KubernetesManager;
use std::collections::HashMap;
#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
// Create Kubernetes manager for the cache namespace
let km = KubernetesManager::new("cache").await?;
// Configure Redis-specific labels
let mut labels = HashMap::new();
labels.insert("app".to_string(), "redis-cluster".to_string());
labels.insert("type".to_string(), "cache".to_string());
labels.insert("engine".to_string(), "redis".to_string());
// Deploy the Redis cluster using the convenience method
println!("Deploying Redis cluster...");
km.deploy_application(
"redis-cluster", // name
"redis:7-alpine", // image
3, // replicas (Redis cluster nodes)
6379, // port
Some(labels), // labels
)
.await?;
println!("✅ Redis cluster deployed successfully!");
// Check deployment status
let deployments = km.deployments_list().await?;
let redis_deployment = deployments
.iter()
.find(|d| d.metadata.name.as_ref() == Some(&"redis-cluster".to_string()));
if let Some(deployment) = redis_deployment {
let total_replicas = deployment
.spec
.as_ref()
.and_then(|s| s.replicas)
.unwrap_or(0);
let ready_replicas = deployment
.status
.as_ref()
.and_then(|s| s.ready_replicas)
.unwrap_or(0);
println!(
"Deployment status: {}/{} replicas ready",
ready_replicas, total_replicas
);
}
println!("\n📋 Connection Information:");
println!(" Host: redis-cluster.cache.svc.cluster.local");
println!(" Port: 6379");
println!(" Password: Configure REDIS_PASSWORD environment variable");
println!("\n🔧 To connect from another pod:");
println!(" redis-cli -h redis-cluster.cache.svc.cluster.local");
println!("\n💡 Next steps:");
println!(" • Configure Redis authentication with environment variables");
println!(" • Set up Redis clustering configuration");
println!(" • Add persistent volume claims for data persistence");
println!(" • Configure memory limits and eviction policies");
Ok(())
}