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src/api2/node/disks/zfs.rs: add zpool api

This commit is contained in:
Dietmar Maurer 2020-06-16 13:24:22 +02:00
parent 36c65ee0b0
commit 929a13b357
3 changed files with 440 additions and 2 deletions
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2
src/api2/node/disks.rs
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@ -16,6 +16,7 @@ use crate::server::WorkerTask;
use crate::api2::types::{UPID_SCHEMA, NODE_SCHEMA, BLOCKDEVICE_NAME_SCHEMA};
pub mod directory;
pub mod zfs;
#[api(
protected: true,
@ -166,6 +167,7 @@ pub fn initialize_disk(
#[sortable]
const SUBDIRS: SubdirMap = &sorted!([
// ("lvm", &lvm::ROUTER),
("zfs", &zfs::ROUTER),
(
"initgpt", &Router::new()
.post(&API_METHOD_INITIALIZE_DISK)

317
src/api2/node/disks/zfs.rs Normal file
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@ -0,0 +1,317 @@
use anyhow::{bail, Error};
use serde_json::json;
use ::serde::{Deserialize, Serialize};
use proxmox::api::{
api, Permission, RpcEnvironment, RpcEnvironmentType,
schema::{
Schema,
StringSchema,
ArraySchema,
IntegerSchema,
ApiStringFormat,
parse_property_string,
},
};
use proxmox::api::router::Router;
use crate::config::acl::{PRIV_SYS_AUDIT, PRIV_SYS_MODIFY};
use crate::tools::disks::{
DiskUsageType,
};
use crate::server::WorkerTask;
use crate::api2::types::*;
pub const DISK_ARRAY_SCHEMA: Schema = ArraySchema::new(
"Disk name list.", &BLOCKDEVICE_NAME_SCHEMA)
.schema();
pub const DISK_LIST_SCHEMA: Schema = StringSchema::new(
"A list of disk names, comma separated.")
.format(&ApiStringFormat::PropertyString(&DISK_ARRAY_SCHEMA))
.schema();
pub const ZFS_ASHIFT_SCHEMA: Schema = IntegerSchema::new(
"Pool sector size exponent.")
.minimum(9)
.maximum(16)
.default(12)
.schema();
#[api(
default: "On",
)]
#[derive(Debug, Copy, Clone, PartialEq, Serialize, Deserialize)]
#[serde(rename_all = "lowercase")]
/// The ZFS compression algorithm to use.
pub enum ZfsCompressionType {
/// Gnu Zip
Gzip,
/// LZ4
Lz4,
/// LZJB
Lzjb,
/// ZLE
Zle,
/// Enable compression using the default algorithm.
On,
/// Disable compression.
Off,
}
#[api()]
#[derive(Debug, Copy, Clone, PartialEq, Serialize, Deserialize)]
#[serde(rename_all = "lowercase")]
/// The ZFS RAID level to use.
pub enum ZfsRaidLevel {
/// Single Disk
Single,
/// Mirror
Mirror,
/// Raid10
Raid10,
/// RaidZ
RaidZ,
/// RaidZ2
RaidZ2,
/// RaidZ3
RaidZ3,
}
#[api()]
#[derive(Debug, Serialize, Deserialize)]
#[serde(rename_all="kebab-case")]
/// zpool list item
pub struct ZpoolListItem {
/// zpool name
pub name: String,
/// Health
pub health: String,
/// Total size
pub size: u64,
/// Used size
pub alloc: u64,
/// Free space
pub free: u64,
/// ZFS fragnentation level
pub frag: u64,
/// ZFS deduplication ratio
pub dedup: f64,
}
#[api(
protected: true,
input: {
properties: {
node: {
schema: NODE_SCHEMA,
},
},
},
returns: {
description: "List of zpools.",
type: Array,
items: {
type: ZpoolListItem,
},
},
access: {
permission: &Permission::Privilege(&["system", "disks"], PRIV_SYS_AUDIT, false),
},
)]
/// List zfs pools.
pub fn list_zpools() -> Result<Vec<ZpoolListItem>, Error> {
let mut command = std::process::Command::new("/sbin/zpool");
command.args(&["list", "-H", "-p", "-P"]);
let output = crate::tools::run_command(command, None)?;
let data = crate::tools::disks::parse_zfs_list(&output)?;
let mut list = Vec::new();
for item in data {
if let Some(usage) = item.usage {
list.push(ZpoolListItem {
name: item.name,
health: item.health,
size: usage.size,
alloc: usage.alloc,
free: usage.free,
frag: usage.frag,
dedup: usage.dedup,
});
}
}
Ok(list)
}
#[api(
protected: true,
input: {
properties: {
node: {
schema: NODE_SCHEMA,
},
name: {
schema: DATASTORE_SCHEMA,
},
devices: {
schema: DISK_LIST_SCHEMA,
},
raidlevel: {
type: ZfsRaidLevel,
},
ashift: {
schema: ZFS_ASHIFT_SCHEMA,
optional: true,
},
compression: {
type: ZfsCompressionType,
optional: true,
},
"add-datastore": {
description: "Configure a datastore using the zpool.",
type: bool,
optional: true,
},
},
},
returns: {
schema: UPID_SCHEMA,
},
access: {
permission: &Permission::Privilege(&["system", "disks"], PRIV_SYS_MODIFY, false),
},
)]
/// Create a new ZFS pool.
pub fn create_zpool(
name: String,
devices: String,
raidlevel: ZfsRaidLevel,
compression: Option<String>,
ashift: Option<usize>,
add_datastore: Option<bool>,
rpcenv: &mut dyn RpcEnvironment,
) -> Result<String, Error> {
let to_stdout = if rpcenv.env_type() == RpcEnvironmentType::CLI { true } else { false };
let username = rpcenv.get_user().unwrap();
let add_datastore = add_datastore.unwrap_or(false);
let ashift = ashift.unwrap_or(12);
let devices_text = devices.clone();
let devices = parse_property_string(&devices, &DISK_ARRAY_SCHEMA)?;
let devices: Vec<String> = devices.as_array().unwrap().iter()
.map(|v| v.as_str().unwrap().to_string()).collect();
let disk_map = crate::tools::disks::get_disks(None, true)?;
for disk in devices.iter() {
match disk_map.get(disk) {
Some(info) => {
if info.used != DiskUsageType::Unused {
bail!("disk '{}' is already in use.", disk);
}
}
None => {
bail!("no such disk '{}'", disk);
}
}
}
let min_disks = match raidlevel {
ZfsRaidLevel::Single => 1,
ZfsRaidLevel::Mirror => 2,
ZfsRaidLevel::Raid10 => 4,
ZfsRaidLevel::RaidZ => 3,
ZfsRaidLevel::RaidZ2 => 4,
ZfsRaidLevel::RaidZ3 => 5,
};
// Sanity checks
if raidlevel == ZfsRaidLevel::Raid10 && devices.len() % 2 != 0 {
bail!("Raid10 needs an even number of disks.");
}
if raidlevel == ZfsRaidLevel::Single && devices.len() > 1 {
bail!("Please give only one disk for single disk mode.");
}
if devices.len() < min_disks {
bail!("{:?} needs at least {} disks.", raidlevel, min_disks);
}
let upid_str = WorkerTask::new_thread(
"zfscreate", Some(name.clone()), &username.clone(), to_stdout, move |worker|
{
worker.log(format!("create {:?} zpool '{}' on devices '{}'", raidlevel, name, devices_text));
let mut command = std::process::Command::new("zpool");
command.args(&["create", "-o", &format!("ashift={}", ashift), &name]);
match raidlevel {
ZfsRaidLevel::Single => {
command.arg(&devices[0]);
}
ZfsRaidLevel::Mirror => {
command.arg("mirror");
command.args(devices);
}
ZfsRaidLevel::Raid10 => {
devices.chunks(2).for_each(|pair| {
command.arg("mirror");
command.args(pair);
});
}
ZfsRaidLevel::RaidZ => {
command.arg("raidz");
command.args(devices);
}
ZfsRaidLevel::RaidZ2 => {
command.arg("raidz2");
command.args(devices);
}
ZfsRaidLevel::RaidZ3 => {
command.arg("raidz3");
command.args(devices);
}
}
worker.log(format!("# {:?}", command));
let output = crate::tools::run_command(command, None)?;
worker.log(output);
if let Some(compression) = compression {
let mut command = std::process::Command::new("zfs");
command.args(&["set", &format!("compression={}", compression), &name]);
worker.log(format!("# {:?}", command));
let output = crate::tools::run_command(command, None)?;
worker.log(output);
}
if add_datastore {
let mount_point = format!("/{}", name);
crate::api2::config::datastore::create_datastore(json!({ "name": name, "path": mount_point }))?
}
Ok(())
})?;
Ok(upid_str)
}
pub const ROUTER: Router = Router::new()
.get(&API_METHOD_LIST_ZPOOLS)
.post(&API_METHOD_CREATE_ZPOOL);

123
src/bin/proxmox_backup_manager/disk.rs
View File

@ -1,9 +1,20 @@
use anyhow::Error;
use anyhow::{bail, Error};
use serde_json::Value;
use proxmox::api::{api, cli::*, RpcEnvironment, ApiHandler};
use proxmox_backup::tools::disks::*;
use proxmox_backup::tools::disks::{
SmartAttribute,
complete_disk_name,
};
use proxmox_backup::api2::node::disks::{
zfs::DISK_LIST_SCHEMA,
zfs::ZFS_ASHIFT_SCHEMA,
zfs::ZfsRaidLevel,
zfs::ZfsCompressionType,
};
use proxmox_backup::api2::{self, types::* };
#[api(
@ -120,6 +131,113 @@ async fn initialize_disk(
Ok(Value::Null)
}
#[api(
input: {
properties: {
name: {
schema: DATASTORE_SCHEMA,
},
devices: {
schema: DISK_LIST_SCHEMA,
},
raidlevel: {
type: ZfsRaidLevel,
},
ashift: {
schema: ZFS_ASHIFT_SCHEMA,
optional: true,
},
compression: {
type: ZfsCompressionType,
optional: true,
},
"add-datastore": {
description: "Configure a datastore using the zpool.",
type: bool,
optional: true,
},
},
},
)]
/// create a zfs pool
async fn create_zpool(
mut param: Value,
rpcenv: &mut dyn RpcEnvironment,
) -> Result<Value, Error> {
param["node"] = "localhost".into();
let info = &api2::node::disks::zfs::API_METHOD_CREATE_ZPOOL;
let result = match info.handler {
ApiHandler::Sync(handler) => (handler)(param, info, rpcenv)?,
_ => unreachable!(),
};
crate::wait_for_local_worker(result.as_str().unwrap()).await?;
Ok(Value::Null)
}
#[api(
input: {
properties: {
"output-format": {
schema: OUTPUT_FORMAT,
optional: true,
},
}
}
)]
/// Local zfs pools.
fn list_zpools(mut param: Value, rpcenv: &mut dyn RpcEnvironment) -> Result<Value, Error> {
let output_format = get_output_format(&param);
param["node"] = "localhost".into();
let info = &api2::node::disks::zfs::API_METHOD_LIST_ZPOOLS;
let mut data = match info.handler {
ApiHandler::Sync(handler) => (handler)(param, info, rpcenv)?,
_ => unreachable!(),
};
let render_usage = |value: &Value, record: &Value| -> Result<String, Error> {
let value = value.as_u64().unwrap_or(0);
let size = match record["size"].as_u64() {
Some(size) => size,
None => bail!("missing size property"),
};
if size == 0 {
bail!("got zero size");
}
Ok(format!("{:.2} %", (value as f64)/(size as f64)))
};
let options = default_table_format_options()
.column(ColumnConfig::new("name"))
.column(ColumnConfig::new("size"))
.column(ColumnConfig::new("alloc").right_align(true).renderer(render_usage))
.column(ColumnConfig::new("health"));
format_and_print_result_full(&mut data, info.returns, &output_format, &options);
Ok(Value::Null)
}
pub fn zpool_commands() -> CommandLineInterface {
let cmd_def = CliCommandMap::new()
.insert("list", CliCommand::new(&API_METHOD_LIST_ZPOOLS))
.insert("create",
CliCommand::new(&API_METHOD_CREATE_ZPOOL)
.arg_param(&["name"])
.completion_cb("devices", complete_disk_name) // fixme: comlete the list
);
cmd_def.into()
}
pub fn disk_commands() -> CommandLineInterface {
let cmd_def = CliCommandMap::new()
@ -129,6 +247,7 @@ pub fn disk_commands() -> CommandLineInterface {
.arg_param(&["disk"])
.completion_cb("disk", complete_disk_name)
)
.insert("zpool", zpool_commands())
.insert("initialize",
CliCommand::new(&API_METHOD_INITIALIZE_DISK)
.arg_param(&["disk"])