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| 1 | +pub mod common; |
| 2 | + |
| 3 | +use std::time::{Duration, Instant}; |
| 4 | + |
| 5 | +use common::{ |
| 6 | + compose::{ |
| 7 | + rpc::v1::{nexus::ChildState, GrpcConnect, Status}, |
| 8 | + Binary, |
| 9 | + Builder, |
| 10 | + }, |
| 11 | + nexus::NexusBuilder, |
| 12 | + pool::PoolBuilder, |
| 13 | + replica::ReplicaBuilder, |
| 14 | +}; |
| 15 | +use tonic::Code; |
| 16 | + |
| 17 | +struct Volume { |
| 18 | + replicas: Vec<ReplicaBuilder>, |
| 19 | + nex: NexusBuilder, |
| 20 | +} |
| 21 | + |
| 22 | +/// Runs multiple rebuild jobs parallel. |
| 23 | +#[tokio::test] |
| 24 | +async fn nexus_rebuild_parallel() { |
| 25 | + common::composer_init(); |
| 26 | + |
| 27 | + const R: usize = 3; // Number of replicas / nodes. |
| 28 | + const N: usize = 20; // Number f volumes |
| 29 | + const REPL_SIZE: u64 = 50; |
| 30 | + const NEXUS_SIZE: u64 = REPL_SIZE; |
| 31 | + const POOL_SIZE: u64 = REPL_SIZE * N as u64 + REPL_SIZE; |
| 32 | + const DISK_SIZE: u64 = POOL_SIZE * 1024 * 1024; |
| 33 | + const DISK_NAME: &str = "disk"; |
| 34 | + |
| 35 | + // Create pool data file. |
| 36 | + for r in 0 .. R { |
| 37 | + let name = format!("/tmp/{DISK_NAME}_{r}"); |
| 38 | + common::delete_file(&[name.clone()]); |
| 39 | + common::truncate_file_bytes(&name, DISK_SIZE); |
| 40 | + } |
| 41 | + |
| 42 | + let test = Builder::new() |
| 43 | + .name("cargo-test") |
| 44 | + .network("10.1.0.0/16") |
| 45 | + .unwrap() |
| 46 | + .add_container_bin( |
| 47 | + "ms_0", |
| 48 | + Binary::from_dbg("io-engine") |
| 49 | + .with_args(vec!["-l", "1,2", "-Fcolor,compact,nodate,host"]) |
| 50 | + .with_bind("/tmp", "/host/tmp"), |
| 51 | + ) |
| 52 | + .add_container_bin( |
| 53 | + "ms_1", |
| 54 | + Binary::from_dbg("io-engine") |
| 55 | + .with_args(vec!["-l", "3,4", "-Fcolor,compact,nodate,host"]) |
| 56 | + .with_bind("/tmp", "/host/tmp"), |
| 57 | + ) |
| 58 | + .add_container_bin( |
| 59 | + "ms_2", |
| 60 | + Binary::from_dbg("io-engine") |
| 61 | + .with_args(vec!["-l", "5,6", "-Fcolor,compact,nodate,host"]) |
| 62 | + .with_bind("/tmp", "/host/tmp"), |
| 63 | + ) |
| 64 | + .with_clean(true) |
| 65 | + .build() |
| 66 | + .await |
| 67 | + .unwrap(); |
| 68 | + |
| 69 | + let conn = GrpcConnect::new(&test); |
| 70 | + |
| 71 | + let ms_nex = conn.grpc_handle_shared("ms_2").await.unwrap(); |
| 72 | + |
| 73 | + let ms = [ |
| 74 | + conn.grpc_handle_shared("ms_0").await.unwrap(), |
| 75 | + conn.grpc_handle_shared("ms_1").await.unwrap(), |
| 76 | + conn.grpc_handle_shared("ms_2").await.unwrap(), |
| 77 | + ]; |
| 78 | + |
| 79 | + let mut pools = Vec::new(); |
| 80 | + |
| 81 | + // Create pools. |
| 82 | + for (r, ms) in ms.iter().enumerate() { |
| 83 | + let bdev = format!("aio:///host/tmp/{DISK_NAME}_{r}?blk_size=512"); |
| 84 | + let mut pool = PoolBuilder::new(ms.clone()) |
| 85 | + .with_name(&format!("p{r}")) |
| 86 | + .with_new_uuid() |
| 87 | + .with_bdev(&bdev); |
| 88 | + pool.create().await.unwrap(); |
| 89 | + pools.push(pool); |
| 90 | + } |
| 91 | + |
| 92 | + let mut vols = Vec::new(); |
| 93 | + |
| 94 | + for i in 0 .. N { |
| 95 | + // Create R replicas on the pools. |
| 96 | + let mut replicas = Vec::new(); |
| 97 | + for r in 0 .. R { |
| 98 | + let mut repl = ReplicaBuilder::new(ms[r].clone()) |
| 99 | + .with_pool(&pools[r]) |
| 100 | + .with_name(&format!("v{i}r{r}")) |
| 101 | + .with_new_uuid() |
| 102 | + .with_size_mb(REPL_SIZE) |
| 103 | + .with_thin(false); |
| 104 | + repl.create().await.unwrap(); |
| 105 | + repl.share().await.unwrap(); |
| 106 | + replicas.push(repl); |
| 107 | + } |
| 108 | + |
| 109 | + // Create the nexus with 2 replicas @ 1,2. |
| 110 | + let mut nex = NexusBuilder::new(ms_nex.clone()) |
| 111 | + .with_name(&format!("v{i}")) |
| 112 | + .with_new_uuid() |
| 113 | + .with_size_mb(NEXUS_SIZE) |
| 114 | + .with_replica(&replicas[1]) |
| 115 | + .with_replica(&replicas[2]); |
| 116 | + |
| 117 | + nex.create().await.unwrap(); |
| 118 | + |
| 119 | + vols.push(Volume { |
| 120 | + replicas, |
| 121 | + nex, |
| 122 | + }); |
| 123 | + } |
| 124 | + |
| 125 | + // Adding replicas / starting rebuilds. |
| 126 | + for vol in &vols { |
| 127 | + vol.nex.add_replica(&vol.replicas[0], false).await.unwrap(); |
| 128 | + } |
| 129 | + |
| 130 | + monitor_volumes(&vols, Duration::from_secs(30)) |
| 131 | + .await |
| 132 | + .expect("All volumes must go online"); |
| 133 | + |
| 134 | + // Delete test files. |
| 135 | + for r in 0 .. R { |
| 136 | + let name = format!("/tmp/{DISK_NAME}_{r}"); |
| 137 | + common::delete_file(&[name.clone()]); |
| 138 | + } |
| 139 | +} |
| 140 | + |
| 141 | +/// Monitors and prints volume states. |
| 142 | +async fn monitor_volumes( |
| 143 | + vols: &Vec<Volume>, |
| 144 | + timeout: Duration, |
| 145 | +) -> Result<(), Status> { |
| 146 | + println!("\nMonitoring {n} volumes", n = vols.len()); |
| 147 | + |
| 148 | + let start = Instant::now(); |
| 149 | + |
| 150 | + loop { |
| 151 | + let mut vols_degraded = false; |
| 152 | + let mut vols_failed = false; |
| 153 | + |
| 154 | + for vol in vols { |
| 155 | + let mut s = String::new(); |
| 156 | + |
| 157 | + let n = vol.nex.get_nexus().await.unwrap(); |
| 158 | + for c in n.children.iter() { |
| 159 | + match c.state() { |
| 160 | + ChildState::Faulted => { |
| 161 | + s = format!("{s} FAILED | "); |
| 162 | + vols_failed = true; |
| 163 | + } |
| 164 | + ChildState::Online => { |
| 165 | + s = format!("{s} ONLINE | "); |
| 166 | + } |
| 167 | + ChildState::Unknown => { |
| 168 | + s = format!("{s} UNKNOWN | "); |
| 169 | + vols_degraded = true; |
| 170 | + } |
| 171 | + ChildState::Degraded => { |
| 172 | + s = format!( |
| 173 | + "{s} REBUILD {p:02} | ", |
| 174 | + p = c.rebuild_progress |
| 175 | + ); |
| 176 | + vols_degraded = true; |
| 177 | + } |
| 178 | + } |
| 179 | + } |
| 180 | + |
| 181 | + println!(" {n}: {s}", n = n.name) |
| 182 | + } |
| 183 | + println!("-"); |
| 184 | + |
| 185 | + if vols_failed { |
| 186 | + println!("One or more volumes failed"); |
| 187 | + return Err(Status::new( |
| 188 | + Code::Internal, |
| 189 | + "One or more volumes failed".to_string(), |
| 190 | + )); |
| 191 | + } |
| 192 | + |
| 193 | + if !vols_degraded { |
| 194 | + println!("All volumes are online"); |
| 195 | + return Ok(()); |
| 196 | + } |
| 197 | + |
| 198 | + if start.elapsed() > timeout { |
| 199 | + return Err(Status::new( |
| 200 | + Code::Cancelled, |
| 201 | + "Waiting for volumes to go Online state timed out".to_string(), |
| 202 | + )); |
| 203 | + } |
| 204 | + |
| 205 | + tokio::time::sleep(std::time::Duration::from_millis(1000)).await; |
| 206 | + } |
| 207 | +} |
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