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::time::Duration;
       7              : 
       8              : /// Directory within .neon which will be used by default for LocalFs remote storage.
       9              : pub const ENDPOINT_STORAGE_REMOTE_STORAGE_DIR: &str = "local_fs_remote_storage/endpoint_storage";
      10              : pub const ENDPOINT_STORAGE_DEFAULT_PORT: u16 = 9993;
      11              : 
      12              : pub struct EndpointStorage {
      13              :     pub bin: Utf8PathBuf,
      14              :     pub data_dir: Utf8PathBuf,
      15              :     pub pemfile: Utf8PathBuf,
      16              :     pub port: u16,
      17              : }
      18              : 
      19              : impl EndpointStorage {
      20            0 :     pub fn from_env(env: &LocalEnv) -> EndpointStorage {
      21            0 :         EndpointStorage {
      22            0 :             bin: Utf8PathBuf::from_path_buf(env.endpoint_storage_bin()).unwrap(),
      23            0 :             data_dir: Utf8PathBuf::from_path_buf(env.endpoint_storage_data_dir()).unwrap(),
      24            0 :             pemfile: Utf8PathBuf::from_path_buf(env.public_key_path.clone()).unwrap(),
      25            0 :             port: env.endpoint_storage.port,
      26            0 :         }
      27            0 :     }
      28              : 
      29            0 :     fn config_path(&self) -> Utf8PathBuf {
      30            0 :         self.data_dir.join("endpoint_storage.json")
      31            0 :     }
      32              : 
      33            0 :     fn listen_addr(&self) -> Utf8PathBuf {
      34            0 :         format!("127.0.0.1:{}", self.port).into()
      35            0 :     }
      36              : 
      37            0 :     pub fn init(&self) -> Result<()> {
      38            0 :         println!("Initializing object storage in {:?}", self.data_dir);
      39            0 :         let parent = self.data_dir.parent().unwrap();
      40              : 
      41              :         #[derive(serde::Serialize)]
      42              :         struct Cfg {
      43              :             listen: Utf8PathBuf,
      44              :             pemfile: Utf8PathBuf,
      45              :             local_path: Utf8PathBuf,
      46              :             r#type: String,
      47              :         }
      48            0 :         let cfg = Cfg {
      49            0 :             listen: self.listen_addr(),
      50            0 :             pemfile: parent.join(self.pemfile.clone()),
      51            0 :             local_path: parent.join(ENDPOINT_STORAGE_REMOTE_STORAGE_DIR),
      52            0 :             r#type: "LocalFs".to_string(),
      53            0 :         };
      54            0 :         std::fs::create_dir_all(self.config_path().parent().unwrap())?;
      55            0 :         std::fs::write(self.config_path(), serde_json::to_string(&cfg)?)
      56            0 :             .context("write object storage config")?;
      57            0 :         Ok(())
      58            0 :     }
      59              : 
      60            0 :     pub async fn start(&self, retry_timeout: &Duration) -> Result<()> {
      61            0 :         println!("Starting endpoint_storage at {}", self.listen_addr());
      62            0 :         std::io::stdout().flush().context("flush stdout")?;
      63              : 
      64            0 :         let process_status_check = || async {
      65            0 :             let res = reqwest::Client::new().get(format!("http://{}/metrics", self.listen_addr()));
      66            0 :             match res.send().await {
      67            0 :                 Ok(res) => Ok(res.status().is_success()),
      68            0 :                 Err(_) => Ok(false),
      69              :             }
      70            0 :         };
      71              : 
      72            0 :         let res = start_process(
      73            0 :             "endpoint_storage",
      74            0 :             &self.data_dir.clone().into_std_path_buf(),
      75            0 :             &self.bin.clone().into_std_path_buf(),
      76            0 :             vec![self.config_path().to_string()],
      77            0 :             vec![("RUST_LOG".into(), "debug".into())],
      78            0 :             background_process::InitialPidFile::Create(self.pid_file()),
      79            0 :             retry_timeout,
      80            0 :             process_status_check,
      81            0 :         )
      82            0 :         .await;
      83            0 :         if res.is_err() {
      84            0 :             eprintln!("Logs:\n{}", std::fs::read_to_string(self.log_file())?);
      85            0 :         }
      86              : 
      87            0 :         res
      88            0 :     }
      89              : 
      90            0 :     pub fn stop(&self, immediate: bool) -> anyhow::Result<()> {
      91            0 :         stop_process(immediate, "endpoint_storage", &self.pid_file())
      92            0 :     }
      93              : 
      94            0 :     fn log_file(&self) -> Utf8PathBuf {
      95            0 :         self.data_dir.join("endpoint_storage.log")
      96            0 :     }
      97              : 
      98            0 :     fn pid_file(&self) -> Utf8PathBuf {
      99            0 :         self.data_dir.join("endpoint_storage.pid")
     100            0 :     }
     101              : }