forked from NationTech/harmony
		
	
		
			
				
	
	
		
			315 lines
		
	
	
		
			7.6 KiB
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			315 lines
		
	
	
		
			7.6 KiB
		
	
	
	
		
			Rust
		
	
	
	
	
	
| mod main_gemini25pro;
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| use std::process::Command;
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| 
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| pub trait Capability {}
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| 
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| pub trait CommandCapability: Capability {
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|     fn execute_command(&self, command: &str, args: &[&str]) -> Result<String, String>;
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| }
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| 
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| pub trait KubernetesCapability: Capability {
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|     fn apply_manifest(&self, manifest: &str) -> Result<(), String>;
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|     fn get_resource(&self, resource_type: &str, name: &str) -> Result<String, String>;
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| }
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| 
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| pub trait Topology {
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|     fn name(&self) -> &str;
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| }
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| 
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| pub trait Score<T: Topology> {
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|     fn compile(&self) -> Result<Box<dyn Interpret<T>>, String>;
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|     fn name(&self) -> &str;
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| }
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| 
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| pub struct LinuxHostTopology {
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|     name: String,
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|     host: String,
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| }
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| 
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| impl Capability for LinuxHostTopology {}
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| 
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| impl LinuxHostTopology {
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|     pub fn new(name: String, host: String) -> Self {
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|         Self { name, host }
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|     }
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| }
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| 
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| impl Topology for LinuxHostTopology {
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|     fn name(&self) -> &str {
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|         &self.name
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|     }
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| }
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| 
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| impl CommandCapability for LinuxHostTopology {
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|     fn execute_command(&self, command: &str, args: &[&str]) -> Result<String, String> {
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|         println!("Executing on {}: {} {:?}", self.host, command, args);
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|         // In a real implementation, this would SSH to the host and execute the command
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|         let output = Command::new(command)
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|             .args(args)
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|             .output()
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|             .map_err(|e| e.to_string())?;
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| 
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|         if output.status.success() {
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|             Ok(String::from_utf8_lossy(&output.stdout).to_string())
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|         } else {
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|             Err(String::from_utf8_lossy(&output.stderr).to_string())
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|         }
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|     }
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| }
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| 
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| pub struct K3DTopology {
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|     name: String,
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|     linux_host: LinuxHostTopology,
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|     cluster_name: String,
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| }
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| 
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| impl Capability for K3DTopology {}
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| 
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| impl K3DTopology {
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|     pub fn new(name: String, linux_host: LinuxHostTopology, cluster_name: String) -> Self {
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|         Self {
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|             name,
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|             linux_host,
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|             cluster_name,
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|         }
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|     }
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| }
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| 
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| impl Topology for K3DTopology {
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|     fn name(&self) -> &str {
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|         &self.name
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|     }
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| }
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| 
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| impl CommandCapability for K3DTopology {
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|     fn execute_command(&self, command: &str, args: &[&str]) -> Result<String, String> {
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|         self.linux_host.execute_command(command, args)
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|     }
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| }
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| 
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| impl KubernetesCapability for K3DTopology {
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|     fn apply_manifest(&self, manifest: &str) -> Result<(), String> {
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|         println!("Applying manifest to K3D cluster '{}'", self.cluster_name);
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|         // Write manifest to a temporary file
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|         let temp_file = format!("/tmp/manifest-harmony-temp.yaml");
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| 
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|         // Use the linux_host directly to avoid capability trait bounds
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|         self.linux_host
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|             .execute_command("bash", &["-c", &format!("cat > {}", temp_file)])?;
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| 
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|         // Apply with kubectl
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|         self.linux_host.execute_command("kubectl", &[
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|             "--context",
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|             &format!("k3d-{}", self.cluster_name),
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|             "apply",
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|             "-f",
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|             &temp_file,
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|         ])?;
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| 
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|         Ok(())
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|     }
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| 
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|     fn get_resource(&self, resource_type: &str, name: &str) -> Result<String, String> {
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|         println!(
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|             "Getting resource {}/{} from K3D cluster '{}'",
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|             resource_type, name, self.cluster_name
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|         );
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|         self.linux_host.execute_command("kubectl", &[
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|             "--context",
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|             &format!("k3d-{}", self.cluster_name),
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|             "get",
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|             resource_type,
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|             name,
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|             "-o",
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|             "yaml",
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|         ])
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|     }
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| }
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| 
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| pub struct CommandScore {
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|     name: String,
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|     command: String,
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|     args: Vec<String>,
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| }
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| 
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| impl CommandScore {
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|     pub fn new(name: String, command: String, args: Vec<String>) -> Self {
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|         Self {
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|             name,
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|             command,
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|             args,
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|         }
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|     }
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| }
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| 
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| pub trait Interpret<T: Topology> {
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|     fn execute(&self, topology: &T) -> Result<String, String>;
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| }
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| 
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| struct CommandInterpret;
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| 
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| impl<T> Interpret<T> for CommandInterpret
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| where
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|     T: Topology + CommandCapability,
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| {
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|     fn execute(&self, topology: &T) -> Result<String, String> {
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|         todo!()
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|     }
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| }
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| 
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| impl<T> Score<T> for CommandScore
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| where
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|     T: Topology + CommandCapability,
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| {
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|     fn compile(&self) -> Result<Box<dyn Interpret<T>>, String> {
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|         Ok(Box::new(CommandInterpret {}))
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|     }
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| 
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|     fn name(&self) -> &str {
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|         &self.name
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|     }
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| }
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| 
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| 
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| #[derive(Clone)]
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| pub struct K8sResourceScore {
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|     name: String,
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|     manifest: String,
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| }
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| 
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| impl K8sResourceScore {
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|     pub fn new(name: String, manifest: String) -> Self {
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|         Self { name, manifest }
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|     }
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| }
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| 
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| struct K8sResourceInterpret {
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|     score: K8sResourceScore,
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| }
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| 
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| impl<T: Topology + KubernetesCapability> Interpret<T> for K8sResourceInterpret {
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|     fn execute(&self, topology: &T) -> Result<String, String> {
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|         todo!()
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|     }
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| }
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| 
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| impl<T> Score<T> for K8sResourceScore
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| where
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|     T: Topology + KubernetesCapability,
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| {
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|     fn compile(&self) -> Result<Box<(dyn Interpret<T> + 'static)>, String> {
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|         Ok(Box::new(K8sResourceInterpret {
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|             score: self.clone(),
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|         }))
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|     }
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| 
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|     fn name(&self) -> &str {
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|         &self.name
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|     }
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| }
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| 
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| pub struct Maestro<T: Topology> {
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|     topology: T,
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|     scores: Vec<Box<dyn Score<T>>>,
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| }
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| 
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| 
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| impl<T: Topology> Maestro<T> {
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|     pub fn new(topology: T) -> Self {
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|         Self {
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|             topology,
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|             scores: Vec::new(),
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|         }
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|     }
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| 
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|     pub fn register_score<S>(&mut self, score: S)
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|     where
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|         S: Score<T> + 'static,
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|     {
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|         println!(
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|             "Registering score '{}' for topology '{}'",
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|             score.name(),
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|             self.topology.name()
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|         );
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|         self.scores.push(Box::new(score));
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|     }
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| 
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|     pub fn orchestrate(&self) -> Result<(), String> {
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|         println!("Orchestrating topology '{}'", self.topology.name());
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|         for score in &self.scores {
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|             let interpret = score.compile()?;
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|             interpret.execute(&self.topology)?;
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|         }
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|         Ok(())
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|     }
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| }
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| 
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| fn main() {
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|     let linux_host = LinuxHostTopology::new("dev-machine".to_string(), "localhost".to_string());
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| 
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|     let mut linux_maestro = Maestro::new(linux_host);
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| 
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|     linux_maestro.register_score(CommandScore::new(
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|         "check-disk".to_string(),
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|         "df".to_string(),
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|         vec!["-h".to_string()],
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|     ));
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|     linux_maestro.orchestrate().unwrap();
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| 
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|     // This would fail to compile if we tried to register a K8sResourceScore
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|     // because LinuxHostTopology doesn't implement KubernetesCapability
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|     //linux_maestro.register_score(K8sResourceScore::new(
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|     //    "...".to_string(),
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|     //    "...".to_string(),
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|     //));
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| 
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|     // Create a K3D topology which has both Command and Kubernetes capabilities
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|     let k3d_host = LinuxHostTopology::new("k3d-host".to_string(), "localhost".to_string());
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| 
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|     let k3d_topology = K3DTopology::new(
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|         "dev-cluster".to_string(),
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|         k3d_host,
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|         "devcluster".to_string(),
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|     );
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| 
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|     // Create a maestro for the K3D topology
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|     let mut k3d_maestro = Maestro::new(k3d_topology);
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| 
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|     // We can register both command scores and kubernetes scores
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|     k3d_maestro.register_score(CommandScore::new(
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|         "check-nodes".to_string(),
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|         "kubectl".to_string(),
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|         vec!["get".to_string(), "nodes".to_string()],
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|     ));
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| 
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|     k3d_maestro.register_score(K8sResourceScore::new(
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|         "deploy-nginx".to_string(),
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|         r#"
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|         apiVersion: apps/v1
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|         kind: Deployment
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|         metadata:
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|           name: nginx
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|         spec:
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|           replicas: 1
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|           selector:
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|             matchLabels:
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|               app: nginx
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|           template:
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|             metadata:
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|               labels:
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|                 app: nginx
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|             spec:
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|               containers:
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|               - name: nginx
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|                 image: nginx:latest
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|                 ports:
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|                 - containerPort: 80
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|         "#
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|         .to_string(),
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|     ));
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| 
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|     // Orchestrate both topologies
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|     linux_maestro.orchestrate().unwrap();
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|     k3d_maestro.orchestrate().unwrap();
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| }
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