mirror of
https://github.com/neondatabase/neon.git
synced 2026-01-08 14:02:55 +00:00
5c356c63eb
Add `/lfc/(prewarm|offload)` routes to `compute_ctl` which interact with endpoint storage. Add `prewarm_lfc_on_startup` spec option which, if enabled, downloads LFC prewarm data on compute startup. Resolves: https://github.com/neondatabase/cloud/issues/26343
104 lines
3.5 KiB
Rust
104 lines
3.5 KiB
Rust
use crate::background_process::{self, start_process, stop_process};
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use crate::local_env::LocalEnv;
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use anyhow::{Context, Result};
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use camino::Utf8PathBuf;
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use std::io::Write;
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use std::net::SocketAddr;
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use std::time::Duration;
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/// Directory within .neon which will be used by default for LocalFs remote storage.
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pub const ENDPOINT_STORAGE_REMOTE_STORAGE_DIR: &str = "local_fs_remote_storage/endpoint_storage";
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pub const ENDPOINT_STORAGE_DEFAULT_ADDR: SocketAddr =
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SocketAddr::new(std::net::IpAddr::V4(std::net::Ipv4Addr::LOCALHOST), 9993);
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pub struct EndpointStorage {
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pub bin: Utf8PathBuf,
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pub data_dir: Utf8PathBuf,
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pub pemfile: Utf8PathBuf,
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pub addr: SocketAddr,
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}
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impl EndpointStorage {
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pub fn from_env(env: &LocalEnv) -> EndpointStorage {
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EndpointStorage {
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bin: Utf8PathBuf::from_path_buf(env.endpoint_storage_bin()).unwrap(),
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data_dir: Utf8PathBuf::from_path_buf(env.endpoint_storage_data_dir()).unwrap(),
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pemfile: Utf8PathBuf::from_path_buf(env.public_key_path.clone()).unwrap(),
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addr: env.endpoint_storage.listen_addr,
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}
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}
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fn config_path(&self) -> Utf8PathBuf {
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self.data_dir.join("endpoint_storage.json")
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}
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fn listen_addr(&self) -> Utf8PathBuf {
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format!("{}:{}", self.addr.ip(), self.addr.port()).into()
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}
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pub fn init(&self) -> Result<()> {
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println!("Initializing object storage in {:?}", self.data_dir);
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let parent = self.data_dir.parent().unwrap();
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#[derive(serde::Serialize)]
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struct Cfg {
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listen: Utf8PathBuf,
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pemfile: Utf8PathBuf,
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local_path: Utf8PathBuf,
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r#type: String,
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}
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let cfg = Cfg {
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listen: self.listen_addr(),
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pemfile: parent.join(self.pemfile.clone()),
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local_path: parent.join(ENDPOINT_STORAGE_REMOTE_STORAGE_DIR),
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r#type: "LocalFs".to_string(),
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};
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std::fs::create_dir_all(self.config_path().parent().unwrap())?;
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std::fs::write(self.config_path(), serde_json::to_string(&cfg)?)
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.context("write object storage config")?;
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Ok(())
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}
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pub async fn start(&self, retry_timeout: &Duration) -> Result<()> {
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println!("Starting endpoint_storage at {}", self.listen_addr());
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std::io::stdout().flush().context("flush stdout")?;
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let process_status_check = || async {
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let res = reqwest::Client::new().get(format!("http://{}/metrics", self.listen_addr()));
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match res.send().await {
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Ok(res) => Ok(res.status().is_success()),
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Err(_) => Ok(false),
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}
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};
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let res = start_process(
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"endpoint_storage",
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&self.data_dir.clone().into_std_path_buf(),
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&self.bin.clone().into_std_path_buf(),
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vec![self.config_path().to_string()],
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vec![("RUST_LOG".into(), "debug".into())],
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background_process::InitialPidFile::Create(self.pid_file()),
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retry_timeout,
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process_status_check,
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)
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.await;
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if res.is_err() {
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eprintln!("Logs:\n{}", std::fs::read_to_string(self.log_file())?);
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}
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res
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}
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pub fn stop(&self, immediate: bool) -> anyhow::Result<()> {
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stop_process(immediate, "endpoint_storage", &self.pid_file())
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}
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fn log_file(&self) -> Utf8PathBuf {
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self.data_dir.join("endpoint_storage.log")
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}
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fn pid_file(&self) -> Utf8PathBuf {
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self.data_dir.join("endpoint_storage.pid")
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}
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}
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