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-rw-r--r--src/garage/cli/layout.rs47
1 files changed, 4 insertions, 43 deletions
diff --git a/src/garage/cli/layout.rs b/src/garage/cli/layout.rs
index 88941d78..cdd3869b 100644
--- a/src/garage/cli/layout.rs
+++ b/src/garage/cli/layout.rs
@@ -1,5 +1,4 @@
use garage_util::crdt::Crdt;
-use garage_util::data::*;
use garage_util::error::*;
use garage_rpc::layout::*;
@@ -211,31 +210,9 @@ pub async fn cmd_apply_layout(
rpc_host: NodeID,
apply_opt: ApplyLayoutOpt,
) -> Result<(), Error> {
- let mut layout = fetch_layout(rpc_cli, rpc_host).await?;
-
- match apply_opt.version {
- None => {
- println!("Please pass the --version flag to ensure that you are writing the correct version of the cluster layout.");
- println!("To know the correct value of the --version flag, invoke `garage layout show` and review the proposed changes.");
- return Err(Error::Message("--version flag is missing".into()));
- }
- Some(v) => {
- if v != layout.version + 1 {
- return Err(Error::Message("Invalid value of --version flag".into()));
- }
- }
- }
-
- layout.roles.merge(&layout.staging);
-
- if !layout.calculate_partition_assignation() {
- return Err(Error::Message("Could not calculate new assignation of partitions to nodes. This can happen if there are less nodes than the desired number of copies of your data (see the replication_mode configuration parameter).".into()));
- }
+ let layout = fetch_layout(rpc_cli, rpc_host).await?;
- layout.staging.clear();
- layout.staging_hash = blake2sum(&rmp_to_vec_all_named(&layout.staging).unwrap()[..]);
-
- layout.version += 1;
+ let layout = layout.apply_staged_changes(apply_opt.version)?;
send_layout(rpc_cli, rpc_host, layout).await?;
@@ -250,25 +227,9 @@ pub async fn cmd_revert_layout(
rpc_host: NodeID,
revert_opt: RevertLayoutOpt,
) -> Result<(), Error> {
- let mut layout = fetch_layout(rpc_cli, rpc_host).await?;
-
- match revert_opt.version {
- None => {
- println!("Please pass the --version flag to ensure that you are writing the correct version of the cluster layout.");
- println!("To know the correct value of the --version flag, invoke `garage layout show` and review the proposed changes.");
- return Err(Error::Message("--version flag is missing".into()));
- }
- Some(v) => {
- if v != layout.version + 1 {
- return Err(Error::Message("Invalid value of --version flag".into()));
- }
- }
- }
-
- layout.staging.clear();
- layout.staging_hash = blake2sum(&rmp_to_vec_all_named(&layout.staging).unwrap()[..]);
+ let layout = fetch_layout(rpc_cli, rpc_host).await?;
- layout.version += 1;
+ let layout = layout.revert_staged_changes(revert_opt.version)?;
send_layout(rpc_cli, rpc_host, layout).await?;