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use eyre::{Context as _, Result};
use futures::{StreamExt as _, stream::FuturesUnordered};
macro_rules! define_machines {
($(($name:ident, $idx:expr, $hostname:expr, $cpus:expr, $interface:expr)),*) => {
#[derive(Debug)]
pub struct UnknownMachine;
impl std::fmt::Display for UnknownMachine {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
f.write_str("unknown machine")
}
}
impl std::error::Error for UnknownMachine {}
#[derive(Debug, Clone, Copy, PartialOrd, Ord, PartialEq, Eq, Hash)]
pub enum Machine {
$($name,)*
}
impl std::fmt::Display for Machine {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
f.write_str(self.hostname())
}
}
impl std::str::FromStr for Machine {
type Err = UnknownMachine;
fn from_str(v: &str) -> Result<Self, Self::Err> {
match v {
$($hostname => Ok(Self::$name),)*
_ => Err(UnknownMachine),
}
}
}
impl Machine {
pub fn hostname(&self) -> &'static str {
match self {
$(Self::$name => $hostname,)*
}
}
pub fn index(&self) -> usize {
match self {
$(Self::$name => $idx,)*
}
}
pub fn from_hostname(hostname: &str) -> Option<Self> {
match hostname {
$($hostname => Some(Self::$name),)*
_ => None
}
}
pub fn from_index(index: usize) -> Option<Self> {
match index {
$($idx => Some(Self::$name),)*
_ => None,
}
}
pub fn cpus(&self) -> u32 {
match self {
$(Self::$name => $cpus,)*
}
}
pub fn interface(&self) -> &'static str {
match self {
$(Self::$name => $interface,)*
}
}
}
};
}
// node cpu counts
// oarnodes | grep '^network_address' | cut -d' ' -f3 | sort | uniq -c
define_machines!(
(Alakazam01, 0, "alakazam-01", 64, todo!()),
(Alakazam02, 1, "alakazam-02", 64, todo!()),
(Alakazam03, 2, "alakazam-03", 64, todo!()),
(Alakazam04, 3, "alakazam-04", 64, todo!()),
(Alakazam05, 4, "alakazam-05", 64, todo!()),
(Alakazam06, 5, "alakazam-06", 64, todo!()),
(Alakazam07, 6, "alakazam-07", 64, todo!()),
(Alakazam08, 7, "alakazam-08", 64, todo!()),
(Bulbasaur1, 8, "bulbasaur-1", 16, todo!()),
(Bulbasaur2, 9, "bulbasaur-2", 16, todo!()),
(Bulbasaur3, 10, "bulbasaur-3", 16, todo!()),
(Charmander1, 11, "charmander-1", 32, "bond0"),
(Charmander2, 12, "charmander-2", 32, "bond0"),
(Charmander3, 13, "charmander-3", 32, "bond0"),
(Charmander4, 14, "charmander-4", 32, "bond0"),
(Charmander5, 15, "charmander-5", 32, "bond0"),
(Gengar1, 16, "gengar-1", 8, "bond0"),
(Gengar2, 17, "gengar-2", 8, "bond0"),
(Gengar3, 18, "gengar-3", 8, "bond0"),
(Gengar4, 19, "gengar-4", 8, "bond0"),
(Gengar5, 20, "gengar-5", 8, "bond0"),
(Kadabra01, 21, "kadabra-01", 64, todo!()),
(Kadabra02, 22, "kadabra-02", 64, todo!()),
(Kadabra03, 23, "kadabra-03", 64, todo!()),
(Kadabra04, 24, "kadabra-04", 64, todo!()),
(Kadabra05, 25, "kadabra-05", 64, todo!()),
(Kadabra06, 26, "kadabra-06", 64, todo!()),
(Kadabra07, 27, "kadabra-07", 64, todo!()),
(Kadabra08, 28, "kadabra-08", 64, todo!()),
(Lugia1, 29, "lugia-1", 64, "bond0"),
(Lugia2, 30, "lugia-2", 64, "bond0"),
(Lugia3, 31, "lugia-3", 64, "bond0"),
(Lugia4, 32, "lugia-4", 64, "bond0"),
(Lugia5, 33, "lugia-5", 64, "bond0"),
(Magikarp1, 34, "magikarp-1", 16, todo!()),
(Moltres01, 35, "moltres-01", 64, todo!()),
(Moltres02, 36, "moltres-02", 64, todo!()),
(Moltres03, 37, "moltres-03", 64, todo!()),
(Moltres04, 38, "moltres-04", 64, todo!()),
(Moltres05, 39, "moltres-05", 64, todo!()),
(Moltres06, 40, "moltres-06", 64, todo!()),
(Moltres07, 41, "moltres-07", 64, todo!()),
(Moltres08, 42, "moltres-08", 64, todo!()),
(Moltres09, 43, "moltres-09", 64, todo!()),
(Moltres10, 44, "moltres-10", 64, todo!()),
(Oddish1, 45, "oddish-1", 4, todo!()),
(Psyduck1, 46, "psyduck-1", 8, todo!()),
(Psyduck2, 47, "psyduck-2", 8, todo!()),
(Psyduck3, 48, "psyduck-3", 8, todo!()),
(Shelder1, 49, "shelder-1", 64, todo!()),
(Squirtle1, 50, "squirtle-1", 24, todo!()),
(Squirtle2, 51, "squirtle-2", 24, todo!()),
(Squirtle3, 52, "squirtle-3", 24, todo!()),
(Squirtle4, 53, "squirtle-4", 24, todo!()),
(Staryu1, 54, "staryu-1", 12, todo!()),
(Sudowoodo1, 55, "sudowoodo-1", 16, todo!()),
(Vulpix1, 56, "vulpix-1", 112, todo!())
);
pub async fn for_each<F, FUT, RET>(machines: impl IntoIterator<Item = &Machine>, f: F) -> Result<()>
where
F: Fn(Machine) -> FUT,
FUT: std::future::Future<Output = Result<RET>>,
{
let mut futures = FuturesUnordered::new();
for &machine in machines {
let fut = f(machine);
let fut = async move { (machine, fut.await) };
futures.push(fut);
}
while let Some((machine, result)) = futures.next().await {
if let Err(err) = result {
return Err(err).with_context(|| format!("running task on machine {machine}"));
}
}
Ok(())
}
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