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ch-remote: support live disk resizing

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Support disk resizing via ch-remote and REST api.

On-behalf-of: SAP thomas.prescher@sap.com
Signed-off-by: Thomas Prescher <thomas.prescher@cyberus-technology.de>
This commit is contained in:
Thomas Prescher
2025-11-10 12:49:17 +01:00
committed by Rob Bradford
parent aac240d076
commit 5fb078305a
4 changed files with 94 additions and 3 deletions
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41
cloud-hypervisor/src/bin/ch-remote.rs
View File

@@ -65,6 +65,8 @@ enum Error {
ReadingStdin(#[source] std::io::Error),
#[error("Error reading from file")]
ReadingFile(#[source] std::io::Error),
#[error("Invalid disk size")]
InvalidDiskSize(#[source] ByteSizedParseError),
}
enum TargetApi<'a> {
@@ -320,6 +322,22 @@ fn rest_api_do_command(matches: &ArgMatches, socket: &mut UnixStream) -> ApiResu
)?;
simple_api_command(socket, "PUT", "resize", Some(&resize)).map_err(Error::HttpApiClient)
}
Some("resize-disk") => {
let resize_disk = resize_disk_config(
matches
.subcommand_matches("resize-disk")
.unwrap()
.get_one::<String>("disk")
.unwrap(),
matches
.subcommand_matches("resize-disk")
.unwrap()
.get_one::<String>("size")
.unwrap(),
)?;
simple_api_command(socket, "PUT", "resize-disk", Some(&resize_disk))
.map_err(Error::HttpApiClient)
}
Some("resize-zone") => {
let resize_zone = resize_zone_config(
matches
@@ -762,6 +780,15 @@ fn resize_config(
Ok(serde_json::to_string(&resize).unwrap())
}
fn resize_disk_config(id: &str, size: &str) -> Result<String, Error> {
let resize_disk = vmm::api::VmResizeDiskData {
id: id.to_owned(),
desired_size: size.parse::<ByteSized>().map_err(Error::InvalidDiskSize)?.0,
};
Ok(serde_json::to_string(&resize_disk).unwrap())
}
fn resize_zone_config(id: &str, size: &str) -> Result<String, Error> {
let resize_zone = vmm::api::VmResizeZoneData {
id: id.to_owned(),
@@ -1022,6 +1049,20 @@ fn get_cli_commands_sorted() -> Box<[Command]> {
.help("New memory size in bytes (supports K/M/G suffix)")
.num_args(1),
),
Command::new("resize-disk")
.about("Resize an attached disk")
.arg(
Arg::new("disk")
.long("disk")
.help("Disk identifier")
.num_args(1),
)
.arg(
Arg::new("size")
.long("size")
.help("New disk size")
.num_args(1),
),
Command::new("resize-zone")
.about("Resize a memory zone")
.arg(