remove --systemid from walkeeper

walkeeper/src/bin/wal_acceptor.rs

@@ -27,13 +27,6 @@ fn main() -> Result<()> {
                 .takes_value(true)
                 .help("Path to the WAL acceptor data directory"),
         )
-        .arg(
-            Arg::with_name("systemid")
-                .long("systemid")
-                .takes_value(true)
-                .required(true)
-                .help("PostgreSQL system id, from pg_control"),
-        )
         .arg(
             Arg::with_name("listen")
                 .short("l")
@@ -75,12 +68,8 @@ fn main() -> Result<()> {
         )
         .get_matches();
 
-    let systemid_str = arg_matches.value_of("systemid").unwrap();
-    let systemid: u64 = systemid_str.parse()?;
-
     let mut conf = WalAcceptorConf {
         data_dir: PathBuf::from("./"),
-        systemid,
         daemonize: false,
         no_sync: false,
         pageserver_addr: None,

walkeeper/src/lib.rs

@@ -11,12 +11,9 @@ pub mod send_wal;
 pub mod timeline;
 pub mod wal_service;
 
-use crate::pq_protocol::SystemId;
-
 #[derive(Debug, Clone)]
 pub struct WalAcceptorConf {
     pub data_dir: PathBuf,
-    pub systemid: SystemId,
     pub daemonize: bool,
     pub no_sync: bool,
     pub listen_addr: SocketAddr,