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vmm/api: Add vm.add-fs route

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Currently unimplemented. Once implemented, this API will allow for
creating virtio-fs devices in the VM after it has booted.

Signed-off-by: Dean Sheather <dean@coder.com>
This commit is contained in:
Dean Sheather
2020-04-14 18:13:48 +10:00
committed by Sebastien Boeuf
parent d35e775ed9
commit bb2139a408
7 changed files with 74 additions and 9 deletions
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29
src/bin/ch-remote.rs
View File

@@ -24,6 +24,7 @@ enum Error {
InvalidMemorySize(std::num::ParseIntError),
AddDeviceConfig(vmm::config::Error),
AddDiskConfig(vmm::config::Error),
AddFsConfig(vmm::config::Error),
AddPmemConfig(vmm::config::Error),
AddNetConfig(vmm::config::Error),
Restore(vmm::config::Error),
@@ -228,6 +229,17 @@ fn add_disk_api_command(socket: &mut UnixStream, config: &str) -> Result<(), Err
)
}
fn add_fs_api_command(socket: &mut UnixStream, config: &str) -> Result<(), Error> {
let fs_config = vmm::config::FsConfig::parse(config).map_err(Error::AddFsConfig)?;
simple_api_command(
socket,
"PUT",
"add-fs",
Some(&serde_json::to_string(&fs_config).unwrap()),
)
}
fn add_pmem_api_command(socket: &mut UnixStream, config: &str) -> Result<(), Error> {
let pmem_config = vmm::config::PmemConfig::parse(config).map_err(Error::AddPmemConfig)?;
@@ -315,6 +327,14 @@ fn do_command(matches: &ArgMatches) -> Result<(), Error> {
.value_of("disk_config")
.unwrap(),
),
Some("add-fs") => add_fs_api_command(
&mut socket,
matches
.subcommand_matches("add-fs")
.unwrap()
.value_of("fs_config")
.unwrap(),
),
Some("add-pmem") => add_pmem_api_command(
&mut socket,
matches
@@ -383,6 +403,15 @@ fn main() {
.help(vmm::config::DiskConfig::SYNTAX),
),
)
.subcommand(
SubCommand::with_name("add-fs")
.about("Add virtio-fs backed fs device")
.arg(
Arg::with_name("fs_config")
.index(1)
.help(vmm::config::FsConfig::SYNTAX),
),
)
.subcommand(
SubCommand::with_name("add-pmem")
.about("Add persistent memory device")

7
src/main.rs
View File

@@ -155,12 +155,7 @@ fn create_app<'a, 'b>(
.arg(
Arg::with_name("fs")
.long("fs")
.help(
"virtio-fs parameters \
\"tag=<tag_name>,sock=<socket_path>,num_queues=<number_of_queues>,\
queue_size=<size_of_each_queue>,dax=on|off,cache_size=<DAX cache size: \
default 8Gib>\"",
)
.help(config::FsConfig::SYNTAX)
.takes_value(true)
.min_values(1)
.group("vm-config"),