Line data    Source code

       1              : use crate::background_process::{self, start_process, stop_process};
       2              : use crate::local_env::LocalEnv;
       3              : use anyhow::{Context, Result};
       4              : use camino::Utf8PathBuf;
       5              : use std::io::Write;
       6              : use std::net::SocketAddr;
       7              : use std::time::Duration;
       8              : 
       9              : /// Directory within .neon which will be used by default for LocalFs remote storage.
      10              : pub const ENDPOINT_STORAGE_REMOTE_STORAGE_DIR: &str = "local_fs_remote_storage/endpoint_storage";
      11              : pub const ENDPOINT_STORAGE_DEFAULT_ADDR: SocketAddr =
      12              :     SocketAddr::new(std::net::IpAddr::V4(std::net::Ipv4Addr::LOCALHOST), 9993);
      13              : 
      14              : pub struct EndpointStorage {
      15              :     pub bin: Utf8PathBuf,
      16              :     pub data_dir: Utf8PathBuf,
      17              :     pub pemfile: Utf8PathBuf,
      18              :     pub addr: SocketAddr,
      19              : }
      20              : 
      21              : impl EndpointStorage {
      22            0 :     pub fn from_env(env: &LocalEnv) -> EndpointStorage {
      23            0 :         EndpointStorage {
      24            0 :             bin: Utf8PathBuf::from_path_buf(env.endpoint_storage_bin()).unwrap(),
      25            0 :             data_dir: Utf8PathBuf::from_path_buf(env.endpoint_storage_data_dir()).unwrap(),
      26            0 :             pemfile: Utf8PathBuf::from_path_buf(env.public_key_path.clone()).unwrap(),
      27            0 :             addr: env.endpoint_storage.listen_addr,
      28            0 :         }
      29            0 :     }
      30              : 
      31            0 :     fn config_path(&self) -> Utf8PathBuf {
      32            0 :         self.data_dir.join("endpoint_storage.json")
      33            0 :     }
      34              : 
      35            0 :     fn listen_addr(&self) -> Utf8PathBuf {
      36            0 :         format!("{}:{}", self.addr.ip(), self.addr.port()).into()
      37            0 :     }
      38              : 
      39            0 :     pub fn init(&self) -> Result<()> {
      40            0 :         println!("Initializing object storage in {:?}", self.data_dir);
      41            0 :         let parent = self.data_dir.parent().unwrap();
      42              : 
      43              :         #[derive(serde::Serialize)]
      44              :         struct Cfg {
      45              :             listen: Utf8PathBuf,
      46              :             pemfile: Utf8PathBuf,
      47              :             local_path: Utf8PathBuf,
      48              :             r#type: String,
      49              :         }
      50            0 :         let cfg = Cfg {
      51            0 :             listen: self.listen_addr(),
      52            0 :             pemfile: parent.join(self.pemfile.clone()),
      53            0 :             local_path: parent.join(ENDPOINT_STORAGE_REMOTE_STORAGE_DIR),
      54            0 :             r#type: "LocalFs".to_string(),
      55            0 :         };
      56            0 :         std::fs::create_dir_all(self.config_path().parent().unwrap())?;
      57            0 :         std::fs::write(self.config_path(), serde_json::to_string(&cfg)?)
      58            0 :             .context("write object storage config")?;
      59            0 :         Ok(())
      60            0 :     }
      61              : 
      62            0 :     pub async fn start(&self, retry_timeout: &Duration) -> Result<()> {
      63            0 :         println!("Starting endpoint_storage at {}", self.listen_addr());
      64            0 :         std::io::stdout().flush().context("flush stdout")?;
      65              : 
      66            0 :         let process_status_check = || async {
      67            0 :             let res = reqwest::Client::new().get(format!("http://{}/metrics", self.listen_addr()));
      68            0 :             match res.send().await {
      69            0 :                 Ok(res) => Ok(res.status().is_success()),
      70            0 :                 Err(_) => Ok(false),
      71              :             }
      72            0 :         };
      73              : 
      74            0 :         let res = start_process(
      75            0 :             "endpoint_storage",
      76            0 :             &self.data_dir.clone().into_std_path_buf(),
      77            0 :             &self.bin.clone().into_std_path_buf(),
      78            0 :             vec![self.config_path().to_string()],
      79            0 :             vec![("RUST_LOG".into(), "debug".into())],
      80            0 :             background_process::InitialPidFile::Create(self.pid_file()),
      81            0 :             retry_timeout,
      82            0 :             process_status_check,
      83            0 :         )
      84            0 :         .await;
      85            0 :         if res.is_err() {
      86            0 :             eprintln!("Logs:\n{}", std::fs::read_to_string(self.log_file())?);
      87            0 :         }
      88              : 
      89            0 :         res
      90            0 :     }
      91              : 
      92            0 :     pub fn stop(&self, immediate: bool) -> anyhow::Result<()> {
      93            0 :         stop_process(immediate, "endpoint_storage", &self.pid_file())
      94            0 :     }
      95              : 
      96            0 :     fn log_file(&self) -> Utf8PathBuf {
      97            0 :         self.data_dir.join("endpoint_storage.log")
      98            0 :     }
      99              : 
     100            0 :     fn pid_file(&self) -> Utf8PathBuf {
     101            0 :         self.data_dir.join("endpoint_storage.pid")
     102            0 :     }
     103              : }