use std::collections::HashMap; use std::fmt::Write; use std::sync::Arc; use async_trait::async_trait; use serde::{Deserialize, Serialize}; use garage_util::crdt::*; use garage_util::data::*; use garage_util::error::Error as GarageError; use garage_util::time::*; use garage_table::replication::*; use garage_table::*; use garage_rpc::*; use garage_model::bucket_alias_table::*; use garage_model::bucket_table::*; use garage_model::garage::Garage; use garage_model::helper::error::{Error, OkOrBadRequest}; use garage_model::key_table::*; use garage_model::migrate::Migrate; use garage_model::permission::*; use garage_model::s3::object_table::ObjectFilter; use crate::cli::*; use crate::repair::Repair; pub const ADMIN_RPC_PATH: &str = "garage/admin_rpc.rs/Rpc"; #[derive(Debug, Serialize, Deserialize)] pub enum AdminRpc { BucketOperation(BucketOperation), KeyOperation(KeyOperation), LaunchRepair(RepairOpt), Migrate(MigrateOpt), Stats(StatsOpt), // Replies Ok(String), BucketList(Vec), BucketInfo(Bucket, HashMap), KeyList(Vec<(String, String)>), KeyInfo(Key, HashMap), } impl Rpc for AdminRpc { type Response = Result; } pub struct AdminRpcHandler { garage: Arc, endpoint: Arc>, } impl AdminRpcHandler { pub fn new(garage: Arc) -> Arc { let endpoint = garage.system.netapp.endpoint(ADMIN_RPC_PATH.into()); let admin = Arc::new(Self { garage, endpoint }); admin.endpoint.set_handler(admin.clone()); admin } async fn handle_bucket_cmd(&self, cmd: &BucketOperation) -> Result { match cmd { BucketOperation::List => self.handle_list_buckets().await, BucketOperation::Info(query) => self.handle_bucket_info(query).await, BucketOperation::Create(query) => self.handle_create_bucket(&query.name).await, BucketOperation::Delete(query) => self.handle_delete_bucket(query).await, BucketOperation::Alias(query) => self.handle_alias_bucket(query).await, BucketOperation::Unalias(query) => self.handle_unalias_bucket(query).await, BucketOperation::Allow(query) => self.handle_bucket_allow(query).await, BucketOperation::Deny(query) => self.handle_bucket_deny(query).await, BucketOperation::Website(query) => self.handle_bucket_website(query).await, } } async fn handle_list_buckets(&self) -> Result { let buckets = self .garage .bucket_table .get_range( &EmptyKey, None, Some(DeletedFilter::NotDeleted), 10000, EnumerationOrder::Forward, ) .await?; Ok(AdminRpc::BucketList(buckets)) } async fn handle_bucket_info(&self, query: &BucketOpt) -> Result { let bucket_id = self .garage .bucket_helper() .resolve_global_bucket_name(&query.name) .await? .ok_or_bad_request("Bucket not found")?; let bucket = self .garage .bucket_helper() .get_existing_bucket(bucket_id) .await?; let mut relevant_keys = HashMap::new(); for (k, _) in bucket .state .as_option() .unwrap() .authorized_keys .items() .iter() { if let Some(key) = self .garage .key_table .get(&EmptyKey, k) .await? .filter(|k| !k.is_deleted()) { relevant_keys.insert(k.clone(), key); } } for ((k, _), _, _) in bucket .state .as_option() .unwrap() .local_aliases .items() .iter() { if relevant_keys.contains_key(k) { continue; } if let Some(key) = self.garage.key_table.get(&EmptyKey, k).await? { relevant_keys.insert(k.clone(), key); } } Ok(AdminRpc::BucketInfo(bucket, relevant_keys)) } #[allow(clippy::ptr_arg)] async fn handle_create_bucket(&self, name: &String) -> Result { if !is_valid_bucket_name(name) { return Err(Error::BadRequest(format!( "{}: {}", name, INVALID_BUCKET_NAME_MESSAGE ))); } if let Some(alias) = self.garage.bucket_alias_table.get(&EmptyKey, name).await? { if alias.state.get().is_some() { return Err(Error::BadRequest(format!("Bucket {} already exists", name))); } } // ---- done checking, now commit ---- let bucket = Bucket::new(); self.garage.bucket_table.insert(&bucket).await?; self.garage .bucket_helper() .set_global_bucket_alias(bucket.id, name) .await?; Ok(AdminRpc::Ok(format!("Bucket {} was created.", name))) } async fn handle_delete_bucket(&self, query: &DeleteBucketOpt) -> Result { let helper = self.garage.bucket_helper(); let bucket_id = helper .resolve_global_bucket_name(&query.name) .await? .ok_or_bad_request("Bucket not found")?; // Get the alias, but keep in minde here the bucket name // given in parameter can also be directly the bucket's ID. // In that case bucket_alias will be None, and // we can still delete the bucket if it has zero aliases // (a condition which we try to prevent but that could still happen somehow). // We just won't try to delete an alias entry because there isn't one. let bucket_alias = self .garage .bucket_alias_table .get(&EmptyKey, &query.name) .await?; // Check bucket doesn't have other aliases let mut bucket = helper.get_existing_bucket(bucket_id).await?; let bucket_state = bucket.state.as_option().unwrap(); if bucket_state .aliases .items() .iter() .filter(|(_, _, active)| *active) .any(|(name, _, _)| name != &query.name) { return Err(Error::BadRequest(format!("Bucket {} still has other global aliases. Use `bucket unalias` to delete them one by one.", query.name))); } if bucket_state .local_aliases .items() .iter() .any(|(_, _, active)| *active) { return Err(Error::BadRequest(format!("Bucket {} still has other local aliases. Use `bucket unalias` to delete them one by one.", query.name))); } // Check bucket is empty let objects = self .garage .object_table .get_range( &bucket_id, None, Some(ObjectFilter::IsData), 10, EnumerationOrder::Forward, ) .await?; if !objects.is_empty() { return Err(Error::BadRequest(format!( "Bucket {} is not empty", query.name ))); } if !query.yes { return Err(Error::BadRequest( "Add --yes flag to really perform this operation".to_string(), )); } // --- done checking, now commit --- // 1. delete authorization from keys that had access for (key_id, _) in bucket.authorized_keys() { helper .set_bucket_key_permissions(bucket.id, key_id, BucketKeyPerm::NO_PERMISSIONS) .await?; } // 2. delete bucket alias if bucket_alias.is_some() { helper .purge_global_bucket_alias(bucket_id, &query.name) .await?; } // 3. delete bucket bucket.state = Deletable::delete(); self.garage.bucket_table.insert(&bucket).await?; Ok(AdminRpc::Ok(format!("Bucket {} was deleted.", query.name))) } async fn handle_alias_bucket(&self, query: &AliasBucketOpt) -> Result { let helper = self.garage.bucket_helper(); let bucket_id = helper .resolve_global_bucket_name(&query.existing_bucket) .await? .ok_or_bad_request("Bucket not found")?; if let Some(key_pattern) = &query.local { let key = helper.get_existing_matching_key(key_pattern).await?; helper .set_local_bucket_alias(bucket_id, &key.key_id, &query.new_name) .await?; Ok(AdminRpc::Ok(format!( "Alias {} now points to bucket {:?} in namespace of key {}", query.new_name, bucket_id, key.key_id ))) } else { helper .set_global_bucket_alias(bucket_id, &query.new_name) .await?; Ok(AdminRpc::Ok(format!( "Alias {} now points to bucket {:?}", query.new_name, bucket_id ))) } } async fn handle_unalias_bucket(&self, query: &UnaliasBucketOpt) -> Result { let helper = self.garage.bucket_helper(); if let Some(key_pattern) = &query.local { let key = helper.get_existing_matching_key(key_pattern).await?; let bucket_id = key .state .as_option() .unwrap() .local_aliases .get(&query.name) .cloned() .flatten() .ok_or_bad_request("Bucket not found")?; helper .unset_local_bucket_alias(bucket_id, &key.key_id, &query.name) .await?; Ok(AdminRpc::Ok(format!( "Alias {} no longer points to bucket {:?} in namespace of key {}", &query.name, bucket_id, key.key_id ))) } else { let bucket_id = helper .resolve_global_bucket_name(&query.name) .await? .ok_or_bad_request("Bucket not found")?; helper .unset_global_bucket_alias(bucket_id, &query.name) .await?; Ok(AdminRpc::Ok(format!( "Alias {} no longer points to bucket {:?}", &query.name, bucket_id ))) } } async fn handle_bucket_allow(&self, query: &PermBucketOpt) -> Result { let helper = self.garage.bucket_helper(); let bucket_id = helper .resolve_global_bucket_name(&query.bucket) .await? .ok_or_bad_request("Bucket not found")?; let key = helper.get_existing_matching_key(&query.key_pattern).await?; let allow_read = query.read || key.allow_read(&bucket_id); let allow_write = query.write || key.allow_write(&bucket_id); let allow_owner = query.owner || key.allow_owner(&bucket_id); helper .set_bucket_key_permissions( bucket_id, &key.key_id, BucketKeyPerm { timestamp: now_msec(), allow_read, allow_write, allow_owner, }, ) .await?; Ok(AdminRpc::Ok(format!( "New permissions for {} on {}: read {}, write {}, owner {}.", &key.key_id, &query.bucket, allow_read, allow_write, allow_owner ))) } async fn handle_bucket_deny(&self, query: &PermBucketOpt) -> Result { let helper = self.garage.bucket_helper(); let bucket_id = helper .resolve_global_bucket_name(&query.bucket) .await? .ok_or_bad_request("Bucket not found")?; let key = helper.get_existing_matching_key(&query.key_pattern).await?; let allow_read = !query.read && key.allow_read(&bucket_id); let allow_write = !query.write && key.allow_write(&bucket_id); let allow_owner = !query.owner && key.allow_owner(&bucket_id); helper .set_bucket_key_permissions( bucket_id, &key.key_id, BucketKeyPerm { timestamp: now_msec(), allow_read, allow_write, allow_owner, }, ) .await?; Ok(AdminRpc::Ok(format!( "New permissions for {} on {}: read {}, write {}, owner {}.", &key.key_id, &query.bucket, allow_read, allow_write, allow_owner ))) } async fn handle_bucket_website(&self, query: &WebsiteOpt) -> Result { let bucket_id = self .garage .bucket_helper() .resolve_global_bucket_name(&query.bucket) .await? .ok_or_bad_request("Bucket not found")?; let mut bucket = self .garage .bucket_helper() .get_existing_bucket(bucket_id) .await?; let bucket_state = bucket.state.as_option_mut().unwrap(); if !(query.allow ^ query.deny) { return Err(Error::BadRequest( "You must specify exactly one flag, either --allow or --deny".to_string(), )); } let website = if query.allow { Some(WebsiteConfig { index_document: query.index_document.clone(), error_document: query.error_document.clone(), }) } else { None }; bucket_state.website_config.update(website); self.garage.bucket_table.insert(&bucket).await?; let msg = if query.allow { format!("Website access allowed for {}", &query.bucket) } else { format!("Website access denied for {}", &query.bucket) }; Ok(AdminRpc::Ok(msg)) } async fn handle_key_cmd(&self, cmd: &KeyOperation) -> Result { match cmd { KeyOperation::List => self.handle_list_keys().await, KeyOperation::Info(query) => self.handle_key_info(query).await, KeyOperation::New(query) => self.handle_create_key(query).await, KeyOperation::Rename(query) => self.handle_rename_key(query).await, KeyOperation::Delete(query) => self.handle_delete_key(query).await, KeyOperation::Allow(query) => self.handle_allow_key(query).await, KeyOperation::Deny(query) => self.handle_deny_key(query).await, KeyOperation::Import(query) => self.handle_import_key(query).await, } } async fn handle_list_keys(&self) -> Result { let key_ids = self .garage .key_table .get_range( &EmptyKey, None, Some(KeyFilter::Deleted(DeletedFilter::NotDeleted)), 10000, EnumerationOrder::Forward, ) .await? .iter() .map(|k| (k.key_id.to_string(), k.params().unwrap().name.get().clone())) .collect::>(); Ok(AdminRpc::KeyList(key_ids)) } async fn handle_key_info(&self, query: &KeyOpt) -> Result { let key = self .garage .bucket_helper() .get_existing_matching_key(&query.key_pattern) .await?; self.key_info_result(key).await } async fn handle_create_key(&self, query: &KeyNewOpt) -> Result { let key = Key::new(&query.name); self.garage.key_table.insert(&key).await?; self.key_info_result(key).await } async fn handle_rename_key(&self, query: &KeyRenameOpt) -> Result { let mut key = self .garage .bucket_helper() .get_existing_matching_key(&query.key_pattern) .await?; key.params_mut() .unwrap() .name .update(query.new_name.clone()); self.garage.key_table.insert(&key).await?; self.key_info_result(key).await } async fn handle_delete_key(&self, query: &KeyDeleteOpt) -> Result { let helper = self.garage.bucket_helper(); let mut key = helper.get_existing_matching_key(&query.key_pattern).await?; if !query.yes { return Err(Error::BadRequest( "Add --yes flag to really perform this operation".to_string(), )); } let state = key.state.as_option_mut().unwrap(); // --- done checking, now commit --- // (the step at unset_local_bucket_alias will fail if a bucket // does not have another alias, the deletion will be // interrupted in the middle if that happens) // 1. Delete local aliases for (alias, _, to) in state.local_aliases.items().iter() { if let Some(bucket_id) = to { helper .unset_local_bucket_alias(*bucket_id, &key.key_id, alias) .await?; } } // 2. Remove permissions on all authorized buckets for (ab_id, _auth) in state.authorized_buckets.items().iter() { helper .set_bucket_key_permissions(*ab_id, &key.key_id, BucketKeyPerm::NO_PERMISSIONS) .await?; } // 3. Actually delete key key.state = Deletable::delete(); self.garage.key_table.insert(&key).await?; Ok(AdminRpc::Ok(format!( "Key {} was deleted successfully.", key.key_id ))) } async fn handle_allow_key(&self, query: &KeyPermOpt) -> Result { let mut key = self .garage .bucket_helper() .get_existing_matching_key(&query.key_pattern) .await?; if query.create_bucket { key.params_mut().unwrap().allow_create_bucket.update(true); } self.garage.key_table.insert(&key).await?; self.key_info_result(key).await } async fn handle_deny_key(&self, query: &KeyPermOpt) -> Result { let mut key = self .garage .bucket_helper() .get_existing_matching_key(&query.key_pattern) .await?; if query.create_bucket { key.params_mut().unwrap().allow_create_bucket.update(false); } self.garage.key_table.insert(&key).await?; self.key_info_result(key).await } async fn handle_import_key(&self, query: &KeyImportOpt) -> Result { let prev_key = self.garage.key_table.get(&EmptyKey, &query.key_id).await?; if prev_key.is_some() { return Err(Error::BadRequest(format!("Key {} already exists in data store. Even if it is deleted, we can't let you create a new key with the same ID. Sorry.", query.key_id))); } let imported_key = Key::import(&query.key_id, &query.secret_key, &query.name); self.garage.key_table.insert(&imported_key).await?; self.key_info_result(imported_key).await } async fn key_info_result(&self, key: Key) -> Result { let mut relevant_buckets = HashMap::new(); for (id, _) in key .state .as_option() .unwrap() .authorized_buckets .items() .iter() { if let Some(b) = self.garage.bucket_table.get(&EmptyKey, id).await? { relevant_buckets.insert(*id, b); } } Ok(AdminRpc::KeyInfo(key, relevant_buckets)) } async fn handle_migrate(self: &Arc, opt: MigrateOpt) -> Result { if !opt.yes { return Err(Error::BadRequest( "Please provide the --yes flag to initiate migration operation.".to_string(), )); } let m = Migrate { garage: self.garage.clone(), }; match opt.what { MigrateWhat::Buckets050 => m.migrate_buckets050().await, }?; Ok(AdminRpc::Ok("Migration successfull.".into())) } async fn handle_launch_repair(self: &Arc, opt: RepairOpt) -> Result { if !opt.yes { return Err(Error::BadRequest( "Please provide the --yes flag to initiate repair operations.".to_string(), )); } if opt.all_nodes { let mut opt_to_send = opt.clone(); opt_to_send.all_nodes = false; let mut failures = vec![]; let ring = self.garage.system.ring.borrow().clone(); for node in ring.layout.node_ids().iter() { let node = (*node).into(); let resp = self .endpoint .call( &node, &AdminRpc::LaunchRepair(opt_to_send.clone()), PRIO_NORMAL, ) .await; if !matches!(resp, Ok(Ok(_))) { failures.push(node); } } if failures.is_empty() { Ok(AdminRpc::Ok("Repair launched on all nodes".to_string())) } else { Err(Error::BadRequest(format!( "Could not launch repair on nodes: {:?} (launched successfully on other nodes)", failures ))) } } else { let repair = Repair { garage: self.garage.clone(), }; self.garage .system .background .spawn_worker("Repair worker".into(), move |must_exit| async move { repair.repair_worker(opt, must_exit).await }); Ok(AdminRpc::Ok(format!( "Repair launched on {:?}", self.garage.system.id ))) } } async fn handle_stats(&self, opt: StatsOpt) -> Result { if opt.all_nodes { let mut ret = String::new(); let ring = self.garage.system.ring.borrow().clone(); for node in ring.layout.node_ids().iter() { let mut opt = opt.clone(); opt.all_nodes = false; writeln!(&mut ret, "\n======================").unwrap(); writeln!(&mut ret, "Stats for node {:?}:", node).unwrap(); let node_id = (*node).into(); match self .endpoint .call(&node_id, &AdminRpc::Stats(opt), PRIO_NORMAL) .await? { Ok(AdminRpc::Ok(s)) => writeln!(&mut ret, "{}", s).unwrap(), Ok(x) => writeln!(&mut ret, "Bad answer: {:?}", x).unwrap(), Err(e) => writeln!(&mut ret, "Error: {}", e).unwrap(), } } Ok(AdminRpc::Ok(ret)) } else { Ok(AdminRpc::Ok(self.gather_stats_local(opt))) } } fn gather_stats_local(&self, opt: StatsOpt) -> String { let mut ret = String::new(); writeln!( &mut ret, "\nGarage version: {}", self.garage.system.garage_version(), ) .unwrap(); // Gather ring statistics let ring = self.garage.system.ring.borrow().clone(); let mut ring_nodes = HashMap::new(); for (_i, loc) in ring.partitions().iter() { for n in ring.get_nodes(loc, ring.replication_factor).iter() { if !ring_nodes.contains_key(n) { ring_nodes.insert(*n, 0usize); } *ring_nodes.get_mut(n).unwrap() += 1; } } writeln!(&mut ret, "\nRing nodes & partition count:").unwrap(); for (n, c) in ring_nodes.iter() { writeln!(&mut ret, " {:?} {}", n, c).unwrap(); } self.gather_table_stats(&mut ret, &self.garage.bucket_table, &opt); self.gather_table_stats(&mut ret, &self.garage.key_table, &opt); self.gather_table_stats(&mut ret, &self.garage.object_table, &opt); self.gather_table_stats(&mut ret, &self.garage.version_table, &opt); self.gather_table_stats(&mut ret, &self.garage.block_ref_table, &opt); writeln!(&mut ret, "\nBlock manager stats:").unwrap(); if opt.detailed { writeln!( &mut ret, " number of RC entries (~= number of blocks): {}", self.garage.block_manager.rc_len() ) .unwrap(); } writeln!( &mut ret, " resync queue length: {}", self.garage.block_manager.resync_queue_len() ) .unwrap(); writeln!( &mut ret, " blocks with resync errors: {}", self.garage.block_manager.resync_errors_len() ) .unwrap(); ret } fn gather_table_stats(&self, to: &mut String, t: &Arc>, opt: &StatsOpt) where F: TableSchema + 'static, R: TableReplication + 'static, { writeln!(to, "\nTable stats for {}", F::TABLE_NAME).unwrap(); if opt.detailed { writeln!(to, " number of items: {}", t.data.store.len()).unwrap(); writeln!( to, " Merkle tree size: {}", t.merkle_updater.merkle_tree_len() ) .unwrap(); } writeln!( to, " Merkle updater todo queue length: {}", t.merkle_updater.todo_len() ) .unwrap(); writeln!(to, " GC todo queue length: {}", t.data.gc_todo_len()).unwrap(); } } #[async_trait] impl EndpointHandler for AdminRpcHandler { async fn handle( self: &Arc, message: &AdminRpc, _from: NodeID, ) -> Result { match message { AdminRpc::BucketOperation(bo) => self.handle_bucket_cmd(bo).await, AdminRpc::KeyOperation(ko) => self.handle_key_cmd(ko).await, AdminRpc::Migrate(opt) => self.handle_migrate(opt.clone()).await, AdminRpc::LaunchRepair(opt) => self.handle_launch_repair(opt.clone()).await, AdminRpc::Stats(opt) => self.handle_stats(opt.clone()).await, m => Err(GarageError::unexpected_rpc_message(m).into()), } } }