baobab/core/supervisor/examples/lifecycle_demo.rs
2025-08-05 15:44:33 +02:00

239 lines
7.9 KiB
Rust

use hero_supervisor::{
Supervisor, SupervisorBuilder, ActorConfig, ActorLifecycleManager,
ActorLifecycleManagerBuilder, ScriptType
};
use log::{info, warn, error};
use std::collections::HashMap;
use std::path::PathBuf;
use std::time::Duration;
use tokio::time::sleep;
#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
// Initialize logging
env_logger::init();
info!("Starting Actor Lifecycle Management Demo");
// Configuration
let redis_url = "redis://localhost:6379";
// Create supervisor
let supervisor = SupervisorBuilder::new()
.redis_url(redis_url)
.caller_id("lifecycle_demo")
.context_id("demo_context")
.build()?;
// Configure actors for different script types
let mut actor_configs = Vec::new();
// OSIS actors (Rhai/HeroScript)
for i in 0..2 {
let config = ActorConfig::new(
format!("osis_actor_{}", i),
PathBuf::from("/usr/local/bin/osis_actor"),
ScriptType::OSIS,
)
.with_args(vec![
"--redis-url".to_string(),
redis_url.to_string(),
"--actor-id".to_string(),
format!("osis_actor_{}", i),
])
.with_env({
let mut env = HashMap::new();
env.insert("RUST_LOG".to_string(), "info".to_string());
env.insert("ACTOR_TYPE".to_string(), "osis".to_string());
env
})
.with_health_check("/usr/local/bin/osis_actor --health-check".to_string())
.with_dependencies(vec!["redis".to_string()]);
actor_configs.push(config);
}
// SAL actors (System Abstraction Layer)
for i in 0..3 {
let config = ActorConfig::new(
format!("sal_actor_{}", i),
PathBuf::from("/usr/local/bin/sal_actor"),
ScriptType::SAL,
)
.with_args(vec![
"--redis-url".to_string(),
redis_url.to_string(),
"--actor-id".to_string(),
format!("sal_actor_{}", i),
])
.with_env({
let mut env = HashMap::new();
env.insert("RUST_LOG".to_string(), "info".to_string());
env.insert("ACTOR_TYPE".to_string(), "sal".to_string());
env
})
.with_health_check("/usr/local/bin/sal_actor --health-check".to_string())
.with_dependencies(vec!["redis".to_string()]);
actor_configs.push(config);
}
// V actors (HeroScript in V language)
for i in 0..2 {
let config = ActorConfig::new(
format!("v_actor_{}", i),
PathBuf::from("/usr/local/bin/v_actor"),
ScriptType::V,
)
.with_args(vec![
"--redis-url".to_string(),
redis_url.to_string(),
"--actor-id".to_string(),
format!("v_actor_{}", i),
])
.with_env({
let mut env = HashMap::new();
env.insert("RUST_LOG".to_string(), "info".to_string());
env.insert("ACTOR_TYPE".to_string(), "v".to_string());
env
})
.with_health_check("/usr/local/bin/v_actor --health-check".to_string())
.with_dependencies(vec!["redis".to_string()]);
actor_configs.push(config);
}
// Create lifecycle manager
let mut lifecycle_manager = ActorLifecycleManagerBuilder::new(zinit_socket.to_string())
.with_supervisor(supervisor.clone());
// Add all actor configurations
for config in actor_configs {
lifecycle_manager = lifecycle_manager.add_actor(config);
}
let mut lifecycle_manager = lifecycle_manager.build();
// Demonstrate lifecycle operations
info!("=== Starting Actor Lifecycle Demo ===");
// 1. Start all actors
info!("1. Starting all actors...");
match lifecycle_manager.start_all_actors().await {
Ok(_) => info!("✅ All actors started successfully"),
Err(e) => {
error!("❌ Failed to start actors: {}", e);
return Err(e.into());
}
}
// Wait for actors to initialize
sleep(Duration::from_secs(5)).await;
// 2. Check actor status
info!("2. Checking actor status...");
match lifecycle_manager.get_all_actor_status().await {
Ok(status_map) => {
for (actor_name, status) in status_map {
info!(" Actor '{}': State={:?}, PID={}", actor_name, status.state, status.pid);
}
}
Err(e) => warn!("Failed to get actor status: {}", e),
}
// 3. Demonstrate scaling
info!("3. Demonstrating actor scaling...");
// Scale up OSIS actors
info!(" Scaling up OSIS actors to 3...");
if let Err(e) = lifecycle_manager.scale_actors(&ScriptType::OSIS, 3).await {
warn!("Failed to scale OSIS actors: {}", e);
}
sleep(Duration::from_secs(3)).await;
// Scale down SAL actors
info!(" Scaling down SAL actors to 1...");
if let Err(e) = lifecycle_manager.scale_actors(&ScriptType::SAL, 1).await {
warn!("Failed to scale SAL actors: {}", e);
}
sleep(Duration::from_secs(3)).await;
// 4. Check running actor counts
info!("4. Checking running actor counts after scaling...");
for script_type in [ScriptType::OSIS, ScriptType::SAL, ScriptType::V] {
let count = lifecycle_manager.get_running_actor_count(&script_type).await;
info!(" {:?}: {} actors running", script_type, count);
}
// 5. Demonstrate restart functionality
info!("5. Demonstrating actor restart...");
if let Err(e) = lifecycle_manager.restart_actor("osis_actor_0").await {
warn!("Failed to restart actor: {}", e);
} else {
info!(" ✅ Successfully restarted osis_actor_0");
}
sleep(Duration::from_secs(3)).await;
// 6. Simulate job dispatch and health monitoring
info!("6. Simulating job dispatch and health monitoring...");
// Update job time for a actor (simulating job dispatch)
lifecycle_manager.update_actor_job_time("sal_actor_0");
info!(" Updated job time for sal_actor_0");
// Perform health monitoring check
if let Err(e) = lifecycle_manager.monitor_actor_health().await {
warn!("Health monitoring failed: {}", e);
} else {
info!(" ✅ Health monitoring completed");
}
// 7. Create and execute a test job
info!("7. Creating and executing a test job...");
let test_job = supervisor
.new_job()
.script_type(ScriptType::OSIS)
.script_content("println!(\"Hello from actor!\");".to_string())
.timeout(Duration::from_secs(30))
.build()?;
match supervisor.run_job_and_await_result(&test_job).await {
Ok(result) => info!(" ✅ Job executed successfully: {}", result),
Err(e) => warn!(" ❌ Job execution failed: {}", e),
}
// 8. Demonstrate graceful shutdown
info!("8. Demonstrating graceful shutdown...");
// Stop specific actors
info!(" Stopping specific actors...");
for actor_name in ["osis_actor_1", "v_actor_0"] {
if let Err(e) = lifecycle_manager.stop_actor(actor_name).await {
warn!("Failed to stop actor {}: {}", actor_name, e);
} else {
info!(" ✅ Stopped actor: {}", actor_name);
}
}
sleep(Duration::from_secs(2)).await;
// Stop all remaining actors
info!(" Stopping all remaining actors...");
if let Err(e) = lifecycle_manager.stop_all_actors().await {
error!("Failed to stop all actors: {}", e);
} else {
info!(" ✅ All actors stopped successfully");
}
info!("=== Actor Lifecycle Demo Completed ===");
// Optional: Start health monitoring loop (commented out for demo)
// info!("Starting health monitoring loop (Ctrl+C to stop)...");
// lifecycle_manager.start_health_monitoring().await;
Ok(())
}