amberjs 1.17.0

// Lifecycle management for cluster and workload resources
// Handles state transitions and lifecycle events

use super::super::crd::{ClusterPhase, Condition, ConditionStatus, ConditionType, WorkloadPhase};
use std::collections::{BTreeMap, HashMap};
use std::time::SystemTime;
use tracing::{debug, error, info, warn};

/// Cluster lifecycle manager
pub struct ClusterLifecycle {
    /// Maximum failure count before giving up
    max_failure_count: u32,
    /// Failure count
    failure_count: u32,
}
impl ClusterLifecycle {
    /// Create a new cluster lifecycle manager
    pub fn new(max_failure_count: u32) -> Self {
        Self {
            max_failure_count,
            failure_count: 0,
        }
    }
    /// Handle cluster initialization
    pub fn handle_initialization(&mut self) -> Result<(), LifecycleError> {
        info!("Initializing cluster");
        self.failure_count = 0;
        Ok(())
    }
    /// Handle cluster creation
    pub fn handle_creation(&mut self) -> Result<ClusterPhase, LifecycleError> {
        info!("Creating cluster resources");
        // Simulate creation process
        self.failure_count = 0;
        Ok(ClusterPhase::Creating)
    }
    /// Handle cluster startup
    pub fn handle_startup(&mut self) -> Result<ClusterPhase, LifecycleError> {
        info!("Starting cluster");
        // Simulate startup process
        self.failure_count = 0;
        Ok(ClusterPhase::Running)
    }
    /// Handle cluster update
    pub fn handle_update(&mut self) -> Result<ClusterPhase, LifecycleError> {
        info!("Updating cluster");
        // Simulate update process
        self.failure_count = 0;
        Ok(ClusterPhase::Updating)
    }
    /// Handle cluster shutdown
    pub fn handle_shutdown(&mut self) -> Result<(), LifecycleError> {
        info!("Shutting down cluster");
        // Cleanup resources
        self.failure_count = 0;
        Ok(())
    }
    /// Handle cluster failure
    pub fn handle_failure(&mut self, error: &str) -> Result<ClusterPhase, LifecycleError> {
        warn!("Cluster failure: {}", error);
        self.failure_count += 1;
        if self.failure_count >= self.max_failure_count {
            error!("Cluster has failed {} times, giving up", self.failure_count);
            return Ok(ClusterPhase::Failed);
        }
        // Try to recover
        info!(
            "Attempting to recover cluster (failure count: {})",
            self.failure_count
        );
        Ok(ClusterPhase::Running)
    }
    /// Handle cluster recovery
    pub fn handle_recovery(&mut self) -> Result<ClusterPhase, LifecycleError> {
        info!("Recovering cluster");
        self.failure_count = 0;
        Ok(ClusterPhase::Running)
    }
    /// Get current failure count
    pub fn failure_count(&self) -> u32 {
        self.failure_count
    }
    /// Reset failure count
    pub fn reset_failure_count(&mut self) {
        self.failure_count = 0;
    }
    /// Generate readiness condition
    pub fn generate_readiness_condition(&self) -> Condition {
        Condition {
            condition_type: ConditionType::Ready,
            status: if self.failure_count == 0 {
                ConditionStatus::True
            } else {
                ConditionStatus::False
            },
            last_probe_time: Some(
                SystemTime::now()
                    .duration_since(SystemTime::UNIX_EPOCH)
                    .unwrap()
                    .as_secs()
                    .to_string(),
            ),
            last_transition_time: Some(
                SystemTime::now()
                    .duration_since(SystemTime::UNIX_EPOCH)
                    .unwrap()
                    .as_secs()
                    .to_string(),
            ),
            reason: if self.failure_count == 0 {
                Some("ClusterReady".to_string())
            } else {
                Some("ClusterNotReady".to_string())
            },
            message: if self.failure_count == 0 {
                Some("Cluster is ready".to_string())
            } else {
                Some(format!(
                    "Cluster is not ready ({} failures)",
                    self.failure_count
                ))
            },
        }
    }
}
/// Workload lifecycle manager
pub struct WorkloadLifecycle {
    /// Maximum failure count before giving up
    max_failure_count: u32,
    /// Failure count
    failure_count: u32,
    /// Execution count
    execution_count: u64,
}
impl WorkloadLifecycle {
    /// Create a new workload lifecycle manager
    pub fn new(max_failure_count: u32) -> Self {
        Self {
            max_failure_count,
            failure_count: 0,
            execution_count: 0,
        }
    }
    /// Handle workload initialization
    pub fn handle_initialization(&mut self) -> Result<(), LifecycleError> {
        info!("Initializing workload");
        self.failure_count = 0;
        self.execution_count = 0;
        Ok(())
    }
    /// Handle workload creation
    pub fn handle_creation(&mut self) -> Result<WorkloadPhase, LifecycleError> {
        info!("Creating workload");
        self.failure_count = 0;
        Ok(WorkloadPhase::Creating)
    }
    /// Handle workload startup
    pub fn handle_startup(&mut self) -> Result<WorkloadPhase, LifecycleError> {
        info!("Starting workload");
        self.failure_count = 0;
        Ok(WorkloadPhase::Running)
    }
    /// Handle workload execution
    pub fn handle_execution(&mut self) -> Result<(), LifecycleError> {
        info!("Executing workload");
        self.execution_count += 1;
        Ok(())
    }
    /// Handle workload update
    pub fn handle_update(&mut self) -> Result<WorkloadPhase, LifecycleError> {
        info!("Updating workload");
        self.failure_count = 0;
        Ok(WorkloadPhase::Updating)
    }
    /// Handle workload failure
    pub fn handle_failure(&mut self, error: &str) -> Result<WorkloadPhase, LifecycleError> {
        warn!("Workload failure: {}", error);
        self.failure_count += 1;
        if self.failure_count >= self.max_failure_count {
            error!(
                "Workload has failed {} times, giving up",
                self.failure_count
            );
            return Ok(WorkloadPhase::Failed);
        }
        // Try to recover
        info!(
            "Attempting to recover workload (failure count: {})",
            self.failure_count
        );
        Ok(WorkloadPhase::Running)
    }
    /// Handle workload recovery
    pub fn handle_recovery(&mut self) -> Result<WorkloadPhase, LifecycleError> {
        info!("Recovering workload");
        self.failure_count = 0;
        Ok(WorkloadPhase::Running)
    }
    /// Get current execution count
    pub fn execution_count(&self) -> u64 {
        self.execution_count
    }
    /// Generate readiness condition
    pub fn generate_readiness_condition(&self) -> Condition {
        Condition {
            condition_type: ConditionType::Ready,
            status: if self.failure_count == 0 {
                ConditionStatus::True
            } else {
                ConditionStatus::False
            },
            last_probe_time: Some(
                SystemTime::now()
                    .duration_since(SystemTime::UNIX_EPOCH)
                    .unwrap()
                    .as_secs()
                    .to_string(),
            ),
            last_transition_time: Some(
                SystemTime::now()
                    .duration_since(SystemTime::UNIX_EPOCH)
                    .unwrap()
                    .as_secs()
                    .to_string(),
            ),
            reason: if self.failure_count == 0 {
                Some("WorkloadReady".to_string())
            } else {
                Some("WorkloadNotReady".to_string())
            },
            message: if self.failure_count == 0 {
                Some("Workload is ready".to_string())
            } else {
                Some(format!(
                    "Workload is not ready ({} failures)",
                    self.failure_count
                ))
            },
        }
    }
}
/// Lifecycle error type
#[derive(Debug, thiserror::Error)]
pub enum LifecycleError {
    #[error("Initialization failed: {0}")]
    InitializationFailed(String),
    #[error("Creation failed: {0}")]
    CreationFailed(String),
    #[error("Update failed: {0}")]
    UpdateFailed(String),
    #[error("Execution failed: {0}")]
    ExecutionFailed(String),
    #[error("Recovery failed: {0}")]
    RecoveryFailed(String),
    #[error("Other error: {0}")]
    Other(String),
}
#[cfg(test)]
mod tests {
    #[test]
    fn test_cluster_lifecycle_initialization() {
        let mut lifecycle = ClusterLifecycle::new(3);
        let result: _ = lifecycle.handle_initialization();
        assert!(result.is_ok());
        assert_eq!(lifecycle.failure_count(), 0);
    }
    #[test]
    fn test_cluster_lifecycle_failure_recovery() {
        let mut lifecycle = ClusterLifecycle::new(3);
        // Simulate failure
        let result: _ = lifecycle.handle_failure("Test failure");
        assert!(result.is_ok());
        assert_eq!(lifecycle.failure_count(), 1);
        assert_eq!(result.unwrap(), ClusterPhase::Running);
        // Simulate recovery
        let result: _ = lifecycle.handle_recovery();
        assert!(result.is_ok());
        assert_eq!(lifecycle.failure_count(), 0);
    }
    #[test]
    fn test_cluster_lifecycle_max_failures() {
        let mut lifecycle = ClusterLifecycle::new(2);
        // Simulate two failures
        let _: _ = lifecycle.handle_failure("Test failure 1");
        let _: _ = lifecycle.handle_failure("Test failure 2");
        // Should be in failed state
        assert_eq!(lifecycle.failure_count(), 2);
    }
    #[test]
    fn test_workload_lifecycle_execution() {
        let mut lifecycle = WorkloadLifecycle::new(3);
        let result: _ = lifecycle.handle_execution();
        assert!(result.is_ok());
        assert_eq!(lifecycle.execution_count(), 1);
        // Execute again
        let result: _ = lifecycle.handle_execution();
        assert!(result.is_ok());
        assert_eq!(lifecycle.execution_count(), 2);
    }
    #[test]
    fn test_generating_conditions() {
        let lifecycle: _ = ClusterLifecycle::new(3);
        let condition: _ = lifecycle.generate_readiness_condition();
        assert_eq!(condition.condition_type, ConditionType::Ready);
        assert_eq!(condition.status, ConditionStatus::True);
        assert!(condition.reason.is_some());
        assert!(condition.message.is_some());
    }
}