Line data    Source code

       1              : //! Code to manage the storage broker
       2              : //!
       3              : //! In the local test environment, the data for each safekeeper is stored in
       4              : //!
       5              : //! ```text
       6              : //!   .neon/safekeepers/<safekeeper id>
       7              : //! ```
       8              : use anyhow::Context;
       9              : 
      10              : use camino::Utf8PathBuf;
      11              : 
      12              : use crate::{background_process, local_env};
      13              : 
      14            3 : pub async fn start_broker_process(env: &local_env::LocalEnv) -> anyhow::Result<()> {
      15            3 :     let broker = &env.broker;
      16            3 :     let listen_addr = &broker.listen_addr;
      17            3 : 
      18            3 :     print!("Starting neon broker at {}", listen_addr);
      19            3 : 
      20            3 :     let args = [format!("--listen-addr={listen_addr}")];
      21            3 : 
      22            3 :     let client = reqwest::Client::new();
      23            3 :     background_process::start_process(
      24            3 :         "storage_broker",
      25            3 :         &env.base_data_dir,
      26            3 :         &env.storage_broker_bin(),
      27            3 :         args,
      28            3 :         [],
      29            3 :         background_process::InitialPidFile::Create(storage_broker_pid_file_path(env)),
      30            4 :         || async {
      31            4 :             let url = broker.client_url();
      32            4 :             let status_url = url.join("status").with_context(|| {
      33            0 :                 format!("Failed to append /status path to broker endpoint {url}")
      34            4 :             })?;
      35            4 :             let request = client
      36            4 :                 .get(status_url)
      37            4 :                 .build()
      38            4 :                 .with_context(|| format!("Failed to construct request to broker endpoint {url}"))?;
      39           10 :             match client.execute(request).await {
      40            3 :                 Ok(resp) => Ok(resp.status().is_success()),
      41            1 :                 Err(_) => Ok(false),
      42              :             }
      43            4 :         },
      44            3 :     )
      45           10 :     .await
      46            3 :     .context("Failed to spawn storage_broker subprocess")?;
      47            3 :     Ok(())
      48            3 : }
      49              : 
      50            3 : pub fn stop_broker_process(env: &local_env::LocalEnv) -> anyhow::Result<()> {
      51            3 :     background_process::stop_process(true, "storage_broker", &storage_broker_pid_file_path(env))
      52            3 : }
      53              : 
      54            6 : fn storage_broker_pid_file_path(env: &local_env::LocalEnv) -> Utf8PathBuf {
      55            6 :     Utf8PathBuf::from_path_buf(env.base_data_dir.join("storage_broker.pid"))
      56            6 :         .expect("non-Unicode path")
      57            6 : }