410 lines
9.0 KiB
Rust
410 lines
9.0 KiB
Rust
#![recursion_limit = "1024"]
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mod data;
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mod error;
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mod background;
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mod membership;
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mod table;
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mod table_fullcopy;
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mod table_sharded;
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mod table_sync;
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mod block;
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mod block_ref_table;
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mod bucket_table;
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mod object_table;
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mod version_table;
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mod admin_rpc;
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mod api_server;
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mod http_util;
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mod rpc_client;
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mod rpc_server;
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mod server;
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mod tls_util;
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use serde::{Deserialize, Serialize};
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use std::collections::HashSet;
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use std::net::SocketAddr;
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use std::path::PathBuf;
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use std::sync::Arc;
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use std::time::Duration;
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use structopt::StructOpt;
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use error::Error;
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use membership::*;
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use rpc_client::*;
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use server::TlsConfig;
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use admin_rpc::*;
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const DEFAULT_TIMEOUT: Duration = Duration::from_secs(10);
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#[derive(StructOpt, Debug)]
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#[structopt(name = "garage")]
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pub struct Opt {
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/// RPC connect to this host to execute client operations
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#[structopt(short = "h", long = "rpc-host", default_value = "127.0.0.1:3901")]
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rpc_host: SocketAddr,
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#[structopt(long = "ca-cert")]
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ca_cert: Option<String>,
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#[structopt(long = "client-cert")]
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client_cert: Option<String>,
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#[structopt(long = "client-key")]
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client_key: Option<String>,
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#[structopt(subcommand)]
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cmd: Command,
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}
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#[derive(StructOpt, Debug)]
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pub enum Command {
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/// Run Garage server
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#[structopt(name = "server")]
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Server(ServerOpt),
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/// Get network status
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#[structopt(name = "status")]
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Status,
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/// Garage node operations
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#[structopt(name = "node")]
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Node(NodeOperation),
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/// Bucket operations
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#[structopt(name = "bucket")]
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Bucket(BucketOperation),
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}
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#[derive(StructOpt, Debug)]
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pub struct ServerOpt {
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/// Configuration file
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#[structopt(short = "c", long = "config", default_value = "./config.toml")]
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config_file: PathBuf,
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}
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#[derive(StructOpt, Debug)]
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pub enum NodeOperation {
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/// Configure Garage node
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#[structopt(name = "configure")]
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Configure(ConfigureNodeOpt),
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/// Remove Garage node from cluster
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#[structopt(name = "remove")]
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Remove(RemoveNodeOpt),
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}
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#[derive(StructOpt, Debug)]
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pub struct ConfigureNodeOpt {
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/// Node to configure (prefix of hexadecimal node id)
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node_id: String,
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/// Location (datacenter) of the node
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datacenter: String,
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/// Number of tokens
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n_tokens: u32,
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}
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#[derive(StructOpt, Debug)]
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pub struct RemoveNodeOpt {
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/// Node to configure (prefix of hexadecimal node id)
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node_id: String,
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/// If this flag is not given, the node won't be removed
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#[structopt(long = "yes")]
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yes: bool,
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}
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#[derive(Serialize, Deserialize, StructOpt, Debug)]
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pub enum BucketOperation {
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/// List buckets
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#[structopt(name = "list")]
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List,
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/// Get bucket info
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#[structopt(name = "info")]
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Info(BucketOpt),
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/// Create bucket
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#[structopt(name = "create")]
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Create(BucketOpt),
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/// Delete bucket
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#[structopt(name = "delete")]
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Delete(DeleteBucketOpt),
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/// Allow key to read or write to bucket
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#[structopt(name = "allow")]
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Allow(PermBucketOpt),
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/// Allow key to read or write to bucket
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#[structopt(name = "deny")]
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Deny(PermBucketOpt),
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}
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#[derive(Serialize, Deserialize, StructOpt, Debug)]
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pub struct BucketOpt {
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/// Bucket name
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pub name: String,
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}
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#[derive(Serialize, Deserialize, StructOpt, Debug)]
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pub struct DeleteBucketOpt {
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/// Bucket name
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pub name: String,
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/// If this flag is not given, the bucket won't be deleted
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#[structopt(long = "yes")]
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pub yes: bool,
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}
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#[derive(Serialize, Deserialize, StructOpt, Debug)]
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pub struct PermBucketOpt {
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/// Access key ID
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#[structopt(long = "key")]
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pub key: String,
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/// Allow/deny read operations
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#[structopt(long = "read")]
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pub read: bool,
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/// Allow/deny write operations
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#[structopt(long = "write")]
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pub write: bool,
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/// Bucket name
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pub bucket: String,
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}
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#[tokio::main]
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async fn main() {
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let opt = Opt::from_args();
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let tls_config = match (opt.ca_cert, opt.client_cert, opt.client_key) {
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(Some(ca_cert), Some(client_cert), Some(client_key)) => Some(TlsConfig {
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ca_cert,
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node_cert: client_cert,
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node_key: client_key,
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}),
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(None, None, None) => None,
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_ => {
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eprintln!("Missing one of: --ca-cert, --node-cert, --node-key. Not using TLS.");
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None
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}
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};
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let rpc_http_cli =
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Arc::new(RpcHttpClient::new(&tls_config).expect("Could not create RPC client"));
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let membership_rpc_cli =
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RpcAddrClient::new(rpc_http_cli.clone(), MEMBERSHIP_RPC_PATH.to_string());
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let admin_rpc_cli = RpcAddrClient::new(rpc_http_cli.clone(), ADMIN_RPC_PATH.to_string());
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let resp = match opt.cmd {
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Command::Server(server_opt) => {
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// Abort on panic (same behavior as in Go)
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std::panic::set_hook(Box::new(|panic_info| {
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eprintln!("{}", panic_info.to_string());
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std::process::abort();
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}));
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server::run_server(server_opt.config_file).await
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}
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Command::Status => cmd_status(membership_rpc_cli, opt.rpc_host).await,
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Command::Node(NodeOperation::Configure(configure_opt)) => {
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cmd_configure(membership_rpc_cli, opt.rpc_host, configure_opt).await
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}
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Command::Node(NodeOperation::Remove(remove_opt)) => {
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cmd_remove(membership_rpc_cli, opt.rpc_host, remove_opt).await
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}
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Command::Bucket(bo) => {
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cmd_admin(admin_rpc_cli, opt.rpc_host, AdminRPC::BucketOperation(bo)).await
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}
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};
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if let Err(e) = resp {
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eprintln!("Error: {}", e);
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}
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}
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async fn cmd_status(rpc_cli: RpcAddrClient<Message>, rpc_host: SocketAddr) -> Result<(), Error> {
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let status = match rpc_cli
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.call(&rpc_host, &Message::PullStatus, DEFAULT_TIMEOUT)
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.await?
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{
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Message::AdvertiseNodesUp(nodes) => nodes,
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resp => return Err(Error::Message(format!("Invalid RPC response: {:?}", resp))),
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};
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let config = match rpc_cli
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.call(&rpc_host, &Message::PullConfig, DEFAULT_TIMEOUT)
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.await?
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{
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Message::AdvertiseConfig(cfg) => cfg,
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resp => return Err(Error::Message(format!("Invalid RPC response: {:?}", resp))),
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};
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println!("Healthy nodes:");
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for adv in status.iter() {
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if let Some(cfg) = config.members.get(&adv.id) {
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println!(
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"{:?}\t{}\t{}\t{}\t{}",
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adv.id, adv.state_info.hostname, adv.addr, cfg.datacenter, cfg.n_tokens
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);
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}
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}
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let status_keys = status.iter().map(|x| x.id.clone()).collect::<HashSet<_>>();
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if config
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.members
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.iter()
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.any(|(id, _)| !status_keys.contains(id))
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{
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println!("\nFailed nodes:");
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for (id, cfg) in config.members.iter() {
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if !status.iter().any(|x| x.id == *id) {
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println!("{:?}\t{}\t{}", id, cfg.datacenter, cfg.n_tokens);
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}
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}
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}
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if status
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.iter()
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.any(|adv| !config.members.contains_key(&adv.id))
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{
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println!("\nUnconfigured nodes:");
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for adv in status.iter() {
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if !config.members.contains_key(&adv.id) {
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println!("{:?}\t{}\t{}", adv.id, adv.state_info.hostname, adv.addr);
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}
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}
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}
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Ok(())
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}
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async fn cmd_configure(
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rpc_cli: RpcAddrClient<Message>,
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rpc_host: SocketAddr,
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args: ConfigureNodeOpt,
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) -> Result<(), Error> {
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let status = match rpc_cli
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.call(&rpc_host, &Message::PullStatus, DEFAULT_TIMEOUT)
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.await?
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{
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Message::AdvertiseNodesUp(nodes) => nodes,
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resp => return Err(Error::Message(format!("Invalid RPC response: {:?}", resp))),
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};
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let mut candidates = vec![];
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for adv in status.iter() {
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if hex::encode(&adv.id).starts_with(&args.node_id) {
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candidates.push(adv.id.clone());
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}
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}
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if candidates.len() != 1 {
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return Err(Error::Message(format!(
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"{} matching nodes",
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candidates.len()
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)));
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}
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let mut config = match rpc_cli
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.call(&rpc_host, &Message::PullConfig, DEFAULT_TIMEOUT)
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.await?
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{
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Message::AdvertiseConfig(cfg) => cfg,
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resp => return Err(Error::Message(format!("Invalid RPC response: {:?}", resp))),
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};
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config.members.insert(
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candidates[0].clone(),
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NetworkConfigEntry {
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datacenter: args.datacenter,
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n_tokens: args.n_tokens,
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},
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);
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config.version += 1;
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rpc_cli
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.call(
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&rpc_host,
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&Message::AdvertiseConfig(config),
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DEFAULT_TIMEOUT,
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)
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.await?;
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Ok(())
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}
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async fn cmd_remove(
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rpc_cli: RpcAddrClient<Message>,
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rpc_host: SocketAddr,
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args: RemoveNodeOpt,
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) -> Result<(), Error> {
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let mut config = match rpc_cli
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.call(&rpc_host, &Message::PullConfig, DEFAULT_TIMEOUT)
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.await?
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{
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Message::AdvertiseConfig(cfg) => cfg,
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resp => return Err(Error::Message(format!("Invalid RPC response: {:?}", resp))),
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};
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let mut candidates = vec![];
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for (key, _) in config.members.iter() {
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if hex::encode(key).starts_with(&args.node_id) {
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candidates.push(key.clone());
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}
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}
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if candidates.len() != 1 {
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return Err(Error::Message(format!(
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"{} matching nodes",
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candidates.len()
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)));
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}
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if !args.yes {
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return Err(Error::Message(format!(
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"Add the flag --yes to really remove {:?} from the cluster",
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candidates[0]
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)));
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}
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config.members.remove(&candidates[0]);
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config.version += 1;
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rpc_cli
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.call(
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&rpc_host,
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&Message::AdvertiseConfig(config),
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DEFAULT_TIMEOUT,
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)
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.await?;
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Ok(())
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}
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async fn cmd_admin(
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rpc_cli: RpcAddrClient<AdminRPC>,
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rpc_host: SocketAddr,
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args: AdminRPC,
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) -> Result<(), Error> {
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match rpc_cli.call(&rpc_host, args, DEFAULT_TIMEOUT).await? {
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AdminRPC::Ok(msg) => {
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println!("{}", msg);
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}
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AdminRPC::BucketList(bl) => {
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println!("List of buckets:");
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for bucket in bl {
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println!("{}", bucket);
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}
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}
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AdminRPC::BucketInfo(bucket) => {
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println!("{:?}", bucket);
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}
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r => {
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eprintln!("Unexpected response: {:?}", r);
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}
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}
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Ok(())
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}
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