Rename replicator to archiver (#6464)

* Rename replicator to archiver

* cargo fmt

* Fix grammar

archiver/.gitignore

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+/target/
+/farf/

archiver/Cargo.toml

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+[package]
+authors = ["Solana Maintainers <maintainers@solana.com>"]
+edition = "2018"
+name = "solana-archiver"
+version = "0.20.0"
+repository = "https://github.com/solana-labs/solana"
+license = "Apache-2.0"
+homepage = "https://solana.com/"
+
+[dependencies]
+clap = "2.33.0"
+console = "0.9.0"
+solana-core = { path = "../core", version = "0.20.0" }
+solana-logger = { path = "../logger", version = "0.20.0" }
+solana-metrics = { path = "../metrics", version = "0.20.0" }
+solana-netutil = { path = "../netutil", version = "0.20.0" }
+solana-sdk = { path = "../sdk", version = "0.20.0" }
+

archiver/src/main.rs

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+use clap::{crate_description, crate_name, crate_version, App, Arg};
+use console::style;
+use solana_core::archiver::Archiver;
+use solana_core::cluster_info::{Node, VALIDATOR_PORT_RANGE};
+use solana_core::contact_info::ContactInfo;
+use solana_sdk::signature::{read_keypair_file, Keypair, KeypairUtil};
+use std::net::SocketAddr;
+use std::path::PathBuf;
+use std::process::exit;
+use std::sync::Arc;
+
+// Return an error if a keypair file cannot be parsed.
+fn is_keypair(string: String) -> Result<(), String> {
+    read_keypair_file(&string)
+        .map(|_| ())
+        .map_err(|err| format!("{:?}", err))
+}
+
+fn main() {
+    solana_logger::setup();
+
+    let matches = App::new(crate_name!())
+        .about(crate_description!())
+        .version(crate_version!())
+        .arg(
+            Arg::with_name("identity")
+                .short("i")
+                .long("identity")
+                .value_name("PATH")
+                .takes_value(true)
+                .validator(is_keypair)
+                .help("File containing an identity (keypair)"),
+        )
+        .arg(
+            Arg::with_name("entrypoint")
+                .short("n")
+                .long("entrypoint")
+                .value_name("HOST:PORT")
+                .takes_value(true)
+                .required(true)
+                .validator(solana_netutil::is_host_port)
+                .help("Rendezvous with the cluster at this entry point"),
+        )
+        .arg(
+            Arg::with_name("ledger")
+                .short("l")
+                .long("ledger")
+                .value_name("DIR")
+                .takes_value(true)
+                .required(true)
+                .help("use DIR as persistent ledger location"),
+        )
+        .arg(
+            Arg::with_name("storage_keypair")
+                .short("s")
+                .long("storage-keypair")
+                .value_name("PATH")
+                .takes_value(true)
+                .required(true)
+                .validator(is_keypair)
+                .help("File containing the storage account keypair"),
+        )
+        .get_matches();
+
+    let ledger_path = PathBuf::from(matches.value_of("ledger").unwrap());
+
+    let keypair = if let Some(identity) = matches.value_of("identity") {
+        read_keypair_file(identity).unwrap_or_else(|err| {
+            eprintln!("{}: Unable to open keypair file: {}", err, identity);
+            exit(1);
+        })
+    } else {
+        Keypair::new()
+    };
+    let storage_keypair = if let Some(storage_keypair) = matches.value_of("storage_keypair") {
+        read_keypair_file(storage_keypair).unwrap_or_else(|err| {
+            eprintln!("{}: Unable to open keypair file: {}", err, storage_keypair);
+            exit(1);
+        })
+    } else {
+        Keypair::new()
+    };
+
+    let entrypoint_addr = matches
+        .value_of("entrypoint")
+        .map(|entrypoint| {
+            solana_netutil::parse_host_port(entrypoint).expect("failed to parse entrypoint address")
+        })
+        .unwrap();
+
+    let gossip_addr = {
+        let ip = solana_netutil::get_public_ip_addr(&entrypoint_addr).unwrap();
+        let mut addr = SocketAddr::new(ip, 0);
+        addr.set_ip(solana_netutil::get_public_ip_addr(&entrypoint_addr).unwrap());
+        addr
+    };
+    let node =
+        Node::new_archiver_with_external_ip(&keypair.pubkey(), &gossip_addr, VALIDATOR_PORT_RANGE);
+
+    println!(
+        "{} version {} (branch={}, commit={})",
+        style(crate_name!()).bold(),
+        crate_version!(),
+        option_env!("CI_BRANCH").unwrap_or("unknown"),
+        option_env!("CI_COMMIT").unwrap_or("unknown")
+    );
+    solana_metrics::set_host_id(keypair.pubkey().to_string());
+    println!(
+        "replicating the data with keypair={:?} gossip_addr={:?}",
+        keypair.pubkey(),
+        gossip_addr
+    );
+
+    let entrypoint_info = ContactInfo::new_gossip_entry_point(&entrypoint_addr);
+    let archiver = Archiver::new(
+        &ledger_path,
+        node,
+        entrypoint_info,
+        Arc::new(keypair),
+        Arc::new(storage_keypair),
+    )
+    .unwrap();
+
+    archiver.join();
+}