feat: modify the scale command to support both horizontal and vertica…

…l scaling. (risingwavelabs#12087)

src/ctl/src/cmd_impl/scale/resize.rs

@@ -27,7 +27,7 @@ use serde_yaml;
 
 use crate::cmd_impl::meta::ReschedulePayload;
 use crate::common::CtlContext;
-use crate::ScaleResizeCommands;
+use crate::{ScaleCommon, ScaleHorizonCommands, ScaleVerticalCommands};
 
 macro_rules! fail {
     ($($arg:tt)*) => {{
@@ -36,8 +36,74 @@ macro_rules! fail {
     }};
 }
 
-pub async fn resize(context: &CtlContext, resize: ScaleResizeCommands) -> anyhow::Result<()> {
-    let meta_client = context.meta_client().await?;
+impl From<ScaleHorizonCommands> for ScaleCommandContext {
+    fn from(value: ScaleHorizonCommands) -> Self {
+        let ScaleHorizonCommands {
+            exclude_workers,
+            include_workers,
+            target_parallelism,
+            common:
+                ScaleCommon {
+                    generate,
+                    output,
+                    yes,
+                    fragments,
+                },
+        } = value;
+
+        Self {
+            exclude_workers,
+            include_workers,
+            target_parallelism,
+            generate,
+            output,
+            yes,
+            fragments,
+            target_parallelism_per_worker: None,
+        }
+    }
+}
+
+impl From<ScaleVerticalCommands> for ScaleCommandContext {
+    fn from(value: ScaleVerticalCommands) -> Self {
+        let ScaleVerticalCommands {
+            workers,
+            target_parallelism_per_worker,
+            common:
+                ScaleCommon {
+                    generate,
+                    output,
+                    yes,
+                    fragments,
+                },
+        } = value;
+
+        Self {
+            exclude_workers: None,
+            include_workers: workers,
+            target_parallelism: None,
+            generate,
+            output,
+            yes,
+            fragments,
+            target_parallelism_per_worker,
+        }
+    }
+}
+
+pub struct ScaleCommandContext {
+    exclude_workers: Option<Vec<String>>,
+    include_workers: Option<Vec<String>>,
+    target_parallelism: Option<u32>,
+    generate: bool,
+    output: Option<String>,
+    yes: bool,
+    fragments: Option<Vec<u32>>,
+    target_parallelism_per_worker: Option<u32>,
+}
+
+pub async fn resize(ctl_ctx: &CtlContext, scale_ctx: ScaleCommandContext) -> anyhow::Result<()> {
+    let meta_client = ctl_ctx.meta_client().await?;
 
     let GetClusterInfoResponse {
         worker_nodes,
@@ -116,7 +182,7 @@ pub async fn resize(context: &CtlContext, resize: ScaleResizeCommands) -> anyhow
         streaming_workers_index_by_id.len()
     );
 
-    let ScaleResizeCommands {
+    let ScaleCommandContext {
         exclude_workers,
         include_workers,
         target_parallelism,
@@ -125,7 +191,7 @@ pub async fn resize(context: &CtlContext, resize: ScaleResizeCommands) -> anyhow
         output,
         yes,
         fragments,
-    } = resize;
+    } = scale_ctx;
 
     let worker_changes = {
         let exclude_worker_ids =

src/ctl/src/lib.rs

@@ -261,9 +261,8 @@ enum TableCommands {
     List,
 }
 
-#[derive(clap::Args, Debug)]
-#[clap(group(clap::ArgGroup::new("workers_group").required(true).multiple(true).args(&["include_workers", "exclude_workers", "target_parallelism"])))]
-pub struct ScaleResizeCommands {
+#[derive(clap::Args, Debug, Clone)]
+pub struct ScaleHorizonCommands {
     /// The worker that needs to be excluded during scheduling, worker_id and worker_host are both
     /// supported
     #[clap(
@@ -288,15 +287,12 @@ pub struct ScaleResizeCommands {
     #[clap(long)]
     target_parallelism: Option<u32>,
 
-    /// The target parallelism per worker, conflicts with `target_parallelism`, requires
-    /// `include_workers` to be set.
-    #[clap(
-        long,
-        requires = "include_workers",
-        conflicts_with = "target_parallelism"
-    )]
-    target_parallelism_per_worker: Option<u32>,
+    #[command(flatten)]
+    common: ScaleCommon,
+}
 
+#[derive(clap::Args, Debug, Clone)]
+pub struct ScaleCommon {
     /// Will generate a plan supported by the `reschedule` command and save it to the provided path
     /// by the `--output`.
     #[clap(long, default_value_t = false)]
@@ -316,12 +312,37 @@ pub struct ScaleResizeCommands {
     fragments: Option<Vec<u32>>,
 }
 
+#[derive(clap::Args, Debug, Clone)]
+pub struct ScaleVerticalCommands {
+    #[command(flatten)]
+    common: ScaleCommon,
+
+    /// The worker that needs to be scheduled, worker_id and worker_host are both
+    /// supported
+    #[clap(
+        long,
+        value_delimiter = ',',
+        value_name = "all or worker_id or worker_host, ..."
+    )]
+    workers: Option<Vec<String>>,
+
+    /// The target parallelism per worker, requires `workers` to be set.
+    #[clap(long, requires = "workers")]
+    target_parallelism_per_worker: Option<u32>,
+}
+
 #[derive(Subcommand, Debug)]
 enum ScaleCommands {
-    /// The resize command scales the cluster by specifying the workers to be included and
-    /// excluded.
-    Resize(ScaleResizeCommands),
-    /// mark a compute node as unschedulable
+    /// Scale the compute nodes horizontally, alias of `horizon`
+    Resize(ScaleHorizonCommands),
+
+    /// Scale the compute nodes horizontally
+    Horizon(ScaleHorizonCommands),
+
+    /// Scale the compute nodes vertically
+    Vertical(ScaleVerticalCommands),
+
+    /// Mark a compute node as unschedulable
     #[clap(verbatim_doc_comment)]
     Cordon {
         /// Workers that need to be cordoned, both id and host are supported.
@@ -616,8 +637,12 @@ pub async fn start_impl(opts: CliOpts, context: &CtlContext) -> Result<()> {
         Commands::Profile(ProfileCommands::Heap { dir }) => {
             cmd_impl::profile::heap_profile(context, dir).await?
         }
-        Commands::Scale(ScaleCommands::Resize(resize)) => {
-            cmd_impl::scale::resize(context, resize).await?
+        Commands::Scale(ScaleCommands::Horizon(resize))
+        | Commands::Scale(ScaleCommands::Resize(resize)) => {
+            cmd_impl::scale::resize(context, resize.into()).await?
+        }
+        Commands::Scale(ScaleCommands::Vertical(resize)) => {
+            cmd_impl::scale::resize(context, resize.into()).await?
         }
         Commands::Scale(ScaleCommands::Cordon { workers }) => {
             cmd_impl::scale::update_schedulability(context, workers, Schedulability::Unschedulable)