mielin_cli/commands/
cluster.rs

1//! Cluster management command handlers
2
3use crate::output::{render_output, OutputFormat};
4use crate::types::OperationResult;
5use anyhow::Result;
6use clap::Subcommand;
7
8#[derive(Subcommand)]
9pub enum ClusterCommands {
10    /// Initialize a new cluster
11    #[command(aliases = ["initialize", "setup"])]
12    Init {
13        /// Cluster name
14        name: String,
15    },
16    /// Show cluster status
17    #[command(aliases = ["st", "stat"])]
18    Status,
19    /// Run health checks on all nodes
20    #[command(aliases = ["check", "healthcheck"])]
21    Health,
22    /// Perform rolling upgrade of cluster
23    #[command(aliases = ["up", "update"])]
24    Upgrade {
25        /// Version to upgrade to
26        version: String,
27        /// Maximum nodes to upgrade simultaneously
28        #[arg(short, long, default_value = "1")]
29        batch_size: usize,
30        /// Wait time between batches (seconds)
31        #[arg(short, long, default_value = "30")]
32        wait: u64,
33        /// Skip health checks
34        #[arg(long)]
35        skip_health_check: bool,
36    },
37}
38
39pub async fn handle_cluster_command(action: ClusterCommands, format: OutputFormat) -> Result<()> {
40    match action {
41        ClusterCommands::Init { name } => {
42            let result = OperationResult {
43                success: true,
44                message: format!("Initialized cluster '{}'", name),
45                id: Some("cluster-uuid".to_string()),
46            };
47            println!("{}", render_output(&result, format)?);
48        }
49        ClusterCommands::Status => {
50            let result = OperationResult {
51                success: true,
52                message: "Cluster status: Healthy (2 nodes, 7 agents)".to_string(),
53                id: None,
54            };
55            println!("{}", render_output(&result, format)?);
56        }
57        ClusterCommands::Health => {
58            let result = OperationResult {
59                success: true,
60                message: "All health checks passed".to_string(),
61                id: None,
62            };
63            println!("{}", render_output(&result, format)?);
64        }
65        ClusterCommands::Upgrade {
66            version,
67            batch_size,
68            wait,
69            skip_health_check,
70        } => {
71            use crate::progress::with_spinner;
72
73            println!("Starting rolling upgrade to version {}", version);
74            println!("Batch size: {}, Wait time: {}s", batch_size, wait);
75
76            if !skip_health_check {
77                with_spinner("Running pre-upgrade health checks", async {
78                    tokio::time::sleep(tokio::time::Duration::from_secs(1)).await;
79                })
80                .await;
81                println!("✓ Pre-upgrade health checks passed");
82            }
83
84            // Simulate rolling upgrade
85            let total_nodes: usize = 3; // Mock value
86            let batches = total_nodes.div_ceil(batch_size);
87
88            for batch in 1..=batches {
89                let nodes_in_batch = if batch == batches {
90                    total_nodes - (batch - 1) * batch_size
91                } else {
92                    batch_size
93                };
94
95                let message = format!(
96                    "Upgrading batch {}/{} ({} nodes)",
97                    batch, batches, nodes_in_batch
98                );
99                with_spinner(&message, async {
100                    tokio::time::sleep(tokio::time::Duration::from_secs(2)).await;
101                })
102                .await;
103
104                println!("✓ Batch {}/{} upgraded successfully", batch, batches);
105
106                if batch < batches {
107                    println!("Waiting {}s before next batch...", wait);
108                    tokio::time::sleep(tokio::time::Duration::from_secs(wait.min(3))).await;
109                }
110            }
111
112            if !skip_health_check {
113                with_spinner("Running post-upgrade health checks", async {
114                    tokio::time::sleep(tokio::time::Duration::from_secs(1)).await;
115                })
116                .await;
117                println!("✓ Post-upgrade health checks passed");
118            }
119
120            let result = OperationResult {
121                success: true,
122                message: format!("Cluster upgraded to version {} successfully", version),
123                id: None,
124            };
125            println!("{}", render_output(&result, format)?);
126        }
127    }
128    Ok(())
129}
mielin_cli/commands/cluster.rs

mielin_cli/commands/
cluster.rs
