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-rw-r--r--src/garage/admin_rpc.rs358
1 files changed, 358 insertions, 0 deletions
diff --git a/src/garage/admin_rpc.rs b/src/garage/admin_rpc.rs
new file mode 100644
index 00000000..aeaf2682
--- /dev/null
+++ b/src/garage/admin_rpc.rs
@@ -0,0 +1,358 @@
+use std::sync::Arc;
+
+use serde::{Deserialize, Serialize};
+
+use garage_util::data::*;
+use garage_util::error::Error;
+
+use garage_table::*;
+
+use garage_rpc::rpc_client::*;
+use garage_rpc::rpc_server::*;
+
+use garage_core::bucket_table::*;
+use garage_core::garage::Garage;
+use garage_core::key_table::*;
+
+use crate::repair::Repair;
+use crate::*;
+
+pub const ADMIN_RPC_TIMEOUT: Duration = Duration::from_secs(30);
+pub const ADMIN_RPC_PATH: &str = "_admin";
+
+#[derive(Debug, Serialize, Deserialize)]
+pub enum AdminRPC {
+ BucketOperation(BucketOperation),
+ KeyOperation(KeyOperation),
+ LaunchRepair(RepairOpt),
+
+ // Replies
+ Ok(String),
+ BucketList(Vec<String>),
+ BucketInfo(Bucket),
+ KeyList(Vec<(String, String)>),
+ KeyInfo(Key),
+}
+
+impl RpcMessage for AdminRPC {}
+
+pub struct AdminRpcHandler {
+ garage: Arc<Garage>,
+ rpc_client: Arc<RpcClient<AdminRPC>>,
+}
+
+impl AdminRpcHandler {
+ pub fn new(garage: Arc<Garage>) -> Arc<Self> {
+ let rpc_client = garage.system.clone().rpc_client::<AdminRPC>(ADMIN_RPC_PATH);
+ Arc::new(Self { garage, rpc_client })
+ }
+
+ pub fn register_handler(self: Arc<Self>, rpc_server: &mut RpcServer) {
+ rpc_server.add_handler::<AdminRPC, _, _>(ADMIN_RPC_PATH.to_string(), move |msg, _addr| {
+ let self2 = self.clone();
+ async move {
+ match msg {
+ AdminRPC::BucketOperation(bo) => self2.handle_bucket_cmd(bo).await,
+ AdminRPC::KeyOperation(ko) => self2.handle_key_cmd(ko).await,
+ AdminRPC::LaunchRepair(opt) => self2.handle_launch_repair(opt).await,
+ _ => Err(Error::BadRequest(format!("Invalid RPC"))),
+ }
+ }
+ });
+ }
+
+ async fn handle_bucket_cmd(&self, cmd: BucketOperation) -> Result<AdminRPC, Error> {
+ match cmd {
+ BucketOperation::List => {
+ let bucket_names = self
+ .garage
+ .bucket_table
+ .get_range(&EmptyKey, None, Some(()), 10000)
+ .await?
+ .iter()
+ .map(|b| b.name.to_string())
+ .collect::<Vec<_>>();
+ Ok(AdminRPC::BucketList(bucket_names))
+ }
+ BucketOperation::Info(query) => {
+ let bucket = self.get_existing_bucket(&query.name).await?;
+ Ok(AdminRPC::BucketInfo(bucket))
+ }
+ BucketOperation::Create(query) => {
+ let bucket = self.garage.bucket_table.get(&EmptyKey, &query.name).await?;
+ if bucket.as_ref().filter(|b| !b.deleted).is_some() {
+ return Err(Error::BadRequest(format!(
+ "Bucket {} already exists",
+ query.name
+ )));
+ }
+ let new_time = match bucket {
+ Some(b) => std::cmp::max(b.timestamp + 1, now_msec()),
+ None => now_msec(),
+ };
+ self.garage
+ .bucket_table
+ .insert(&Bucket::new(query.name.clone(), new_time, false, vec![]))
+ .await?;
+ Ok(AdminRPC::Ok(format!("Bucket {} was created.", query.name)))
+ }
+ BucketOperation::Delete(query) => {
+ let bucket = self.get_existing_bucket(&query.name).await?;
+ let objects = self
+ .garage
+ .object_table
+ .get_range(&query.name, None, Some(()), 10)
+ .await?;
+ if !objects.is_empty() {
+ return Err(Error::BadRequest(format!(
+ "Bucket {} is not empty",
+ query.name
+ )));
+ }
+ if !query.yes {
+ return Err(Error::BadRequest(format!(
+ "Add --yes flag to really perform this operation"
+ )));
+ }
+ // --- done checking, now commit ---
+ for ak in bucket.authorized_keys() {
+ if let Some(key) = self.garage.key_table.get(&EmptyKey, &ak.key_id).await? {
+ if !key.deleted {
+ self.update_key_bucket(key, &bucket.name, false, false)
+ .await?;
+ }
+ } else {
+ return Err(Error::Message(format!("Key not found: {}", ak.key_id)));
+ }
+ }
+ self.garage
+ .bucket_table
+ .insert(&Bucket::new(
+ query.name.clone(),
+ std::cmp::max(bucket.timestamp + 1, now_msec()),
+ true,
+ vec![],
+ ))
+ .await?;
+ Ok(AdminRPC::Ok(format!("Bucket {} was deleted.", query.name)))
+ }
+ BucketOperation::Allow(query) => {
+ let key = self.get_existing_key(&query.key_id).await?;
+ let bucket = self.get_existing_bucket(&query.bucket).await?;
+ let allow_read = query.read || key.allow_read(&query.bucket);
+ let allow_write = query.write || key.allow_write(&query.bucket);
+ self.update_key_bucket(key, &query.bucket, allow_read, allow_write)
+ .await?;
+ self.update_bucket_key(bucket, &query.key_id, allow_read, allow_write)
+ .await?;
+ Ok(AdminRPC::Ok(format!(
+ "New permissions for {} on {}: read {}, write {}.",
+ &query.key_id, &query.bucket, allow_read, allow_write
+ )))
+ }
+ BucketOperation::Deny(query) => {
+ let key = self.get_existing_key(&query.key_id).await?;
+ let bucket = self.get_existing_bucket(&query.bucket).await?;
+ let allow_read = !query.read && key.allow_read(&query.bucket);
+ let allow_write = !query.write && key.allow_write(&query.bucket);
+ self.update_key_bucket(key, &query.bucket, allow_read, allow_write)
+ .await?;
+ self.update_bucket_key(bucket, &query.key_id, allow_read, allow_write)
+ .await?;
+ Ok(AdminRPC::Ok(format!(
+ "New permissions for {} on {}: read {}, write {}.",
+ &query.key_id, &query.bucket, allow_read, allow_write
+ )))
+ }
+ }
+ }
+
+ async fn handle_key_cmd(&self, cmd: KeyOperation) -> Result<AdminRPC, Error> {
+ match cmd {
+ KeyOperation::List => {
+ let key_ids = self
+ .garage
+ .key_table
+ .get_range(&EmptyKey, None, Some(()), 10000)
+ .await?
+ .iter()
+ .map(|k| (k.key_id.to_string(), k.name.to_string()))
+ .collect::<Vec<_>>();
+ Ok(AdminRPC::KeyList(key_ids))
+ }
+ KeyOperation::Info(query) => {
+ let key = self.get_existing_key(&query.key_id).await?;
+ Ok(AdminRPC::KeyInfo(key))
+ }
+ KeyOperation::New(query) => {
+ let key = Key::new(query.name, vec![]);
+ self.garage.key_table.insert(&key).await?;
+ Ok(AdminRPC::KeyInfo(key))
+ }
+ KeyOperation::Rename(query) => {
+ let mut key = self.get_existing_key(&query.key_id).await?;
+ key.name_timestamp = std::cmp::max(key.name_timestamp + 1, now_msec());
+ key.name = query.new_name;
+ self.garage.key_table.insert(&key).await?;
+ Ok(AdminRPC::KeyInfo(key))
+ }
+ KeyOperation::Delete(query) => {
+ let key = self.get_existing_key(&query.key_id).await?;
+ if !query.yes {
+ return Err(Error::BadRequest(format!(
+ "Add --yes flag to really perform this operation"
+ )));
+ }
+ // --- done checking, now commit ---
+ for ab in key.authorized_buckets().iter() {
+ if let Some(bucket) =
+ self.garage.bucket_table.get(&EmptyKey, &ab.bucket).await?
+ {
+ if !bucket.deleted {
+ self.update_bucket_key(bucket, &key.key_id, false, false)
+ .await?;
+ }
+ } else {
+ return Err(Error::Message(format!("Bucket not found: {}", ab.bucket)));
+ }
+ }
+ let del_key = Key::delete(key.key_id);
+ self.garage.key_table.insert(&del_key).await?;
+ Ok(AdminRPC::Ok(format!(
+ "Key {} was deleted successfully.",
+ query.key_id
+ )))
+ }
+ }
+ }
+
+ async fn get_existing_bucket(&self, bucket: &String) -> Result<Bucket, Error> {
+ self.garage
+ .bucket_table
+ .get(&EmptyKey, bucket)
+ .await?
+ .filter(|b| !b.deleted)
+ .map(Ok)
+ .unwrap_or(Err(Error::BadRequest(format!(
+ "Bucket {} does not exist",
+ bucket
+ ))))
+ }
+
+ async fn get_existing_key(&self, id: &String) -> Result<Key, Error> {
+ self.garage
+ .key_table
+ .get(&EmptyKey, id)
+ .await?
+ .filter(|k| !k.deleted)
+ .map(Ok)
+ .unwrap_or(Err(Error::BadRequest(format!("Key {} does not exist", id))))
+ }
+
+ async fn update_bucket_key(
+ &self,
+ mut bucket: Bucket,
+ key_id: &String,
+ allow_read: bool,
+ allow_write: bool,
+ ) -> Result<(), Error> {
+ let timestamp = match bucket
+ .authorized_keys()
+ .iter()
+ .find(|x| x.key_id == *key_id)
+ {
+ None => now_msec(),
+ Some(ab) => std::cmp::max(ab.timestamp + 1, now_msec()),
+ };
+ bucket.clear_keys();
+ bucket
+ .add_key(AllowedKey {
+ key_id: key_id.clone(),
+ timestamp,
+ allow_read,
+ allow_write,
+ })
+ .unwrap();
+ self.garage.bucket_table.insert(&bucket).await?;
+ Ok(())
+ }
+
+ async fn update_key_bucket(
+ &self,
+ mut key: Key,
+ bucket: &String,
+ allow_read: bool,
+ allow_write: bool,
+ ) -> Result<(), Error> {
+ let timestamp = match key
+ .authorized_buckets()
+ .iter()
+ .find(|x| x.bucket == *bucket)
+ {
+ None => now_msec(),
+ Some(ab) => std::cmp::max(ab.timestamp + 1, now_msec()),
+ };
+ key.clear_buckets();
+ key.add_bucket(AllowedBucket {
+ bucket: bucket.clone(),
+ timestamp,
+ allow_read,
+ allow_write,
+ })
+ .unwrap();
+ self.garage.key_table.insert(&key).await?;
+ Ok(())
+ }
+
+ async fn handle_launch_repair(self: &Arc<Self>, opt: RepairOpt) -> Result<AdminRPC, Error> {
+ if !opt.yes {
+ return Err(Error::BadRequest(format!(
+ "Please provide the --yes flag to initiate repair operations."
+ )));
+ }
+ 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.config.members.keys() {
+ if self
+ .rpc_client
+ .call(
+ *node,
+ AdminRPC::LaunchRepair(opt_to_send.clone()),
+ ADMIN_RPC_TIMEOUT,
+ )
+ .await
+ .is_err()
+ {
+ failures.push(node.clone());
+ }
+ }
+ if failures.is_empty() {
+ Ok(AdminRPC::Ok(format!("Repair launched on all nodes")))
+ } else {
+ Err(Error::Message(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
+ })
+ .await;
+ Ok(AdminRPC::Ok(format!(
+ "Repair launched on {:?}",
+ self.garage.system.id
+ )))
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-18 20:58:11 +0000