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-rw-r--r--src/garage/cli/cmd.rs2
-rw-r--r--src/garage/cli/layout.rs178
-rw-r--r--src/garage/cli/structs.rs23
3 files changed, 152 insertions, 51 deletions
diff --git a/src/garage/cli/cmd.rs b/src/garage/cli/cmd.rs
index 0d735885..905b14d3 100644
--- a/src/garage/cli/cmd.rs
+++ b/src/garage/cli/cmd.rs
@@ -85,7 +85,7 @@ pub async fn cmd_status(rpc_cli: &Endpoint<SystemRpc, ()>, rpc_host: NodeID) ->
));
}
_ => {
- let new_role = match layout.staging.get(&adv.id) {
+ let new_role = match layout.staging_roles.get(&adv.id) {
Some(NodeRoleV(Some(_))) => "(pending)",
_ => "NO ROLE ASSIGNED",
};
diff --git a/src/garage/cli/layout.rs b/src/garage/cli/layout.rs
index 3884bb92..cf8631a4 100644
--- a/src/garage/cli/layout.rs
+++ b/src/garage/cli/layout.rs
@@ -1,3 +1,5 @@
+use bytesize::ByteSize;
+
use garage_util::crdt::Crdt;
use garage_util::error::*;
use garage_util::formater::format_table;
@@ -14,8 +16,8 @@ pub async fn cli_layout_command_dispatch(
rpc_host: NodeID,
) -> Result<(), Error> {
match cmd {
- LayoutOperation::Assign(configure_opt) => {
- cmd_assign_role(system_rpc_endpoint, rpc_host, configure_opt).await
+ LayoutOperation::Assign(assign_opt) => {
+ cmd_assign_role(system_rpc_endpoint, rpc_host, assign_opt).await
}
LayoutOperation::Remove(remove_opt) => {
cmd_remove_role(system_rpc_endpoint, rpc_host, remove_opt).await
@@ -27,6 +29,9 @@ pub async fn cli_layout_command_dispatch(
LayoutOperation::Revert(revert_opt) => {
cmd_revert_layout(system_rpc_endpoint, rpc_host, revert_opt).await
}
+ LayoutOperation::Config(config_opt) => {
+ cmd_config_layout(system_rpc_endpoint, rpc_host, config_opt).await
+ }
}
}
@@ -60,14 +65,14 @@ pub async fn cmd_assign_role(
.collect::<Result<Vec<_>, _>>()?;
let mut roles = layout.roles.clone();
- roles.merge(&layout.staging);
+ roles.merge(&layout.staging_roles);
for replaced in args.replace.iter() {
let replaced_node = find_matching_node(layout.node_ids().iter().cloned(), replaced)?;
match roles.get(&replaced_node) {
Some(NodeRoleV(Some(_))) => {
layout
- .staging
+ .staging_roles
.merge(&roles.update_mutator(replaced_node, NodeRoleV(None)));
}
_ => {
@@ -83,7 +88,7 @@ pub async fn cmd_assign_role(
return Err(Error::Message(
"-c and -g are mutually exclusive, please configure node either with c>0 to act as a storage node or with -g to act as a gateway node".into()));
}
- if args.capacity == Some(0) {
+ if args.capacity == Some(ByteSize::b(0)) {
return Err(Error::Message("Invalid capacity value: 0".into()));
}
@@ -91,7 +96,7 @@ pub async fn cmd_assign_role(
let new_entry = match roles.get(&added_node) {
Some(NodeRoleV(Some(old))) => {
let capacity = match args.capacity {
- Some(c) => Some(c),
+ Some(c) => Some(c.as_u64()),
None if args.gateway => None,
None => old.capacity,
};
@@ -108,7 +113,7 @@ pub async fn cmd_assign_role(
}
_ => {
let capacity = match args.capacity {
- Some(c) => Some(c),
+ Some(c) => Some(c.as_u64()),
None if args.gateway => None,
None => return Err(Error::Message(
"Please specify a capacity with the -c flag, or set node explicitly as gateway with -g".into())),
@@ -125,7 +130,7 @@ pub async fn cmd_assign_role(
};
layout
- .staging
+ .staging_roles
.merge(&roles.update_mutator(added_node, NodeRoleV(Some(new_entry))));
}
@@ -145,13 +150,13 @@ pub async fn cmd_remove_role(
let mut layout = fetch_layout(rpc_cli, rpc_host).await?;
let mut roles = layout.roles.clone();
- roles.merge(&layout.staging);
+ roles.merge(&layout.staging_roles);
let deleted_node =
find_matching_node(roles.items().iter().map(|(id, _, _)| *id), &args.node_id)?;
layout
- .staging
+ .staging_roles
.merge(&roles.update_mutator(deleted_node, NodeRoleV(None)));
send_layout(rpc_cli, rpc_host, layout).await?;
@@ -166,7 +171,7 @@ pub async fn cmd_show_layout(
rpc_cli: &Endpoint<SystemRpc, ()>,
rpc_host: NodeID,
) -> Result<(), Error> {
- let mut layout = fetch_layout(rpc_cli, rpc_host).await?;
+ let layout = fetch_layout(rpc_cli, rpc_host).await?;
println!("==== CURRENT CLUSTER LAYOUT ====");
if !print_cluster_layout(&layout) {
@@ -176,30 +181,41 @@ pub async fn cmd_show_layout(
println!();
println!("Current cluster layout version: {}", layout.version);
- if print_staging_role_changes(&layout) {
- layout.roles.merge(&layout.staging);
-
- println!();
- println!("==== NEW CLUSTER LAYOUT AFTER APPLYING CHANGES ====");
- if !print_cluster_layout(&layout) {
- println!("No nodes have a role in the new layout.");
- }
- println!();
+ let has_role_changes = print_staging_role_changes(&layout);
+ let has_param_changes = print_staging_parameters_changes(&layout);
+ if has_role_changes || has_param_changes {
+ let v = layout.version;
+ let res_apply = layout.apply_staged_changes(Some(v + 1));
// this will print the stats of what partitions
// will move around when we apply
- if layout.calculate_partition_assignation() {
- println!("To enact the staged role changes, type:");
- println!();
- println!(" garage layout apply --version {}", layout.version + 1);
- println!();
- println!(
- "You can also revert all proposed changes with: garage layout revert --version {}",
- layout.version + 1
- );
- } else {
- println!("Not enough nodes have an assigned role to maintain enough copies of data.");
- println!("This new layout cannot yet be applied.");
+ match res_apply {
+ Ok((layout, msg)) => {
+ println!();
+ println!("==== NEW CLUSTER LAYOUT AFTER APPLYING CHANGES ====");
+ if !print_cluster_layout(&layout) {
+ println!("No nodes have a role in the new layout.");
+ }
+ println!();
+
+ for line in msg.iter() {
+ println!("{}", line);
+ }
+ println!("To enact the staged role changes, type:");
+ println!();
+ println!(" garage layout apply --version {}", v + 1);
+ println!();
+ println!(
+ "You can also revert all proposed changes with: garage layout revert --version {}",
+ v + 1)
+ }
+ Err(e) => {
+ println!("Error while trying to compute the assignment: {}", e);
+ println!("This new layout cannot yet be applied.");
+ println!(
+ "You can also revert all proposed changes with: garage layout revert --version {}",
+ v + 1)
+ }
}
}
@@ -213,11 +229,14 @@ pub async fn cmd_apply_layout(
) -> Result<(), Error> {
let layout = fetch_layout(rpc_cli, rpc_host).await?;
- let layout = layout.apply_staged_changes(apply_opt.version)?;
+ let (layout, msg) = layout.apply_staged_changes(apply_opt.version)?;
+ for line in msg.iter() {
+ println!("{}", line);
+ }
send_layout(rpc_cli, rpc_host, layout).await?;
- println!("New cluster layout with updated role assignation has been applied in cluster.");
+ println!("New cluster layout with updated role assignment has been applied in cluster.");
println!("Data will now be moved around between nodes accordingly.");
Ok(())
@@ -238,6 +257,45 @@ pub async fn cmd_revert_layout(
Ok(())
}
+pub async fn cmd_config_layout(
+ rpc_cli: &Endpoint<SystemRpc, ()>,
+ rpc_host: NodeID,
+ config_opt: ConfigLayoutOpt,
+) -> Result<(), Error> {
+ let mut layout = fetch_layout(rpc_cli, rpc_host).await?;
+
+ let mut did_something = false;
+ match config_opt.redundancy {
+ None => (),
+ Some(r) => {
+ if r > layout.replication_factor {
+ println!(
+ "The zone redundancy must be smaller or equal to the \
+ replication factor ({}).",
+ layout.replication_factor
+ );
+ } else if r < 1 {
+ println!("The zone redundancy must be at least 1.");
+ } else {
+ layout
+ .staging_parameters
+ .update(LayoutParameters { zone_redundancy: r });
+ println!("The new zone redundancy has been saved ({}).", r);
+ }
+ did_something = true;
+ }
+ }
+
+ if !did_something {
+ return Err(Error::Message(
+ "Please specify an action for `garage layout config` to do".into(),
+ ));
+ }
+
+ send_layout(rpc_cli, rpc_host, layout).await?;
+ Ok(())
+}
+
// --- utility ---
pub async fn fetch_layout(
@@ -269,21 +327,39 @@ pub async fn send_layout(
}
pub fn print_cluster_layout(layout: &ClusterLayout) -> bool {
- let mut table = vec!["ID\tTags\tZone\tCapacity".to_string()];
+ let mut table = vec!["ID\tTags\tZone\tCapacity\tUsable capacity".to_string()];
for (id, _, role) in layout.roles.items().iter() {
let role = match &role.0 {
Some(r) => r,
_ => continue,
};
let tags = role.tags.join(",");
- table.push(format!(
- "{:?}\t{}\t{}\t{}",
- id,
- tags,
- role.zone,
- role.capacity_string()
- ));
+ let usage = layout.get_node_usage(id).unwrap_or(0);
+ let capacity = layout.get_node_capacity(id).unwrap_or(0);
+ if capacity > 0 {
+ table.push(format!(
+ "{:?}\t{}\t{}\t{}\t{} ({:.1}%)",
+ id,
+ tags,
+ role.zone,
+ role.capacity_string(),
+ ByteSize::b(usage as u64 * layout.partition_size).to_string_as(false),
+ (100.0 * usage as f32 * layout.partition_size as f32) / (capacity as f32)
+ ));
+ } else {
+ table.push(format!(
+ "{:?}\t{}\t{}\t{}",
+ id,
+ tags,
+ role.zone,
+ role.capacity_string()
+ ));
+ };
}
+ println!();
+ println!("Parameters of the layout computation:");
+ println!("Zone redundancy: {}", layout.parameters.zone_redundancy);
+ println!();
if table.len() == 1 {
false
} else {
@@ -292,9 +368,23 @@ pub fn print_cluster_layout(layout: &ClusterLayout) -> bool {
}
}
+pub fn print_staging_parameters_changes(layout: &ClusterLayout) -> bool {
+ let has_changes = *layout.staging_parameters.get() != layout.parameters;
+ if has_changes {
+ println!();
+ println!("==== NEW LAYOUT PARAMETERS ====");
+ println!(
+ "Zone redundancy: {}",
+ layout.staging_parameters.get().zone_redundancy
+ );
+ println!();
+ }
+ has_changes
+}
+
pub fn print_staging_role_changes(layout: &ClusterLayout) -> bool {
let has_changes = layout
- .staging
+ .staging_roles
.items()
.iter()
.any(|(k, _, v)| layout.roles.get(k) != Some(v));
@@ -303,7 +393,7 @@ pub fn print_staging_role_changes(layout: &ClusterLayout) -> bool {
println!();
println!("==== STAGED ROLE CHANGES ====");
let mut table = vec!["ID\tTags\tZone\tCapacity".to_string()];
- for (id, _, role) in layout.staging.items().iter() {
+ for (id, _, role) in layout.staging_roles.items().iter() {
if layout.roles.get(id) == Some(role) {
continue;
}
diff --git a/src/garage/cli/structs.rs b/src/garage/cli/structs.rs
index 01ae92da..986592ae 100644
--- a/src/garage/cli/structs.rs
+++ b/src/garage/cli/structs.rs
@@ -17,7 +17,7 @@ pub enum Command {
#[structopt(name = "node", version = garage_version())]
Node(NodeOperation),
- /// Operations on the assignation of node roles in the cluster layout
+ /// Operations on the assignment of node roles in the cluster layout
#[structopt(name = "layout", version = garage_version())]
Layout(LayoutOperation),
@@ -91,6 +91,10 @@ pub enum LayoutOperation {
#[structopt(name = "remove", version = garage_version())]
Remove(RemoveRoleOpt),
+ /// Configure parameters value for the layout computation
+ #[structopt(name = "config", version = garage_version())]
+ Config(ConfigLayoutOpt),
+
/// Show roles currently assigned to nodes and changes staged for commit
#[structopt(name = "show", version = garage_version())]
Show,
@@ -114,9 +118,9 @@ pub struct AssignRoleOpt {
#[structopt(short = "z", long = "zone")]
pub(crate) zone: Option<String>,
- /// Capacity (in relative terms, use 1 to represent your smallest server)
+ /// Storage capacity, in bytes (supported suffixes: B, KB, MB, GB, TB, PB)
#[structopt(short = "c", long = "capacity")]
- pub(crate) capacity: Option<u32>,
+ pub(crate) capacity: Option<bytesize::ByteSize>,
/// Gateway-only node
#[structopt(short = "g", long = "gateway")]
@@ -138,6 +142,13 @@ pub struct RemoveRoleOpt {
}
#[derive(StructOpt, Debug)]
+pub struct ConfigLayoutOpt {
+ /// Zone redundancy parameter
+ #[structopt(short = "r", long = "redundancy")]
+ pub(crate) redundancy: Option<usize>,
+}
+
+#[derive(StructOpt, Debug)]
pub struct ApplyLayoutOpt {
/// Version number of new configuration: this command will fail if
/// it is not exactly 1 + the previous configuration's version
@@ -320,8 +331,8 @@ pub enum KeyOperation {
Info(KeyOpt),
/// Create new key
- #[structopt(name = "new", version = garage_version())]
- New(KeyNewOpt),
+ #[structopt(name = "create", version = garage_version())]
+ Create(KeyNewOpt),
/// Rename key
#[structopt(name = "rename", version = garage_version())]
@@ -353,7 +364,7 @@ pub struct KeyOpt {
#[derive(Serialize, Deserialize, StructOpt, Debug)]
pub struct KeyNewOpt {
/// Name of the key
- #[structopt(long = "name", default_value = "Unnamed key")]
+ #[structopt(default_value = "Unnamed key")]
pub name: String,
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 23:38:18 +0000