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use super::{
structs::{rollingupdate::RollingUpdate, ResourceRequirements},
Manifest, Result,
};
#[derive(Serialize, Default)]
pub struct ResourceTotals {
pub base: ResourceRequirements<f64>,
pub extra: ResourceRequirements<f64>,
}
impl ResourceTotals {
pub fn normalise(mut self) -> Self {
self.base.round();
self.extra.round();
self
}
pub fn daily_cost(&self) -> (f64, f64) {
let icost = 0.384 * 24.0;
let node_mem = 31.0;
let node_cpu = 8.0;
let memory_cost = (
(self.base.requests.memory * icost / node_mem).round(),
((self.base.requests.memory + self.extra.requests.memory) * icost / node_mem).round(),
);
let cpu_cost = (
(self.base.requests.cpu * icost / node_cpu).round(),
((self.base.requests.cpu + self.extra.requests.cpu * icost) * icost / node_cpu).round(),
);
if cpu_cost.1 > memory_cost.1 {
cpu_cost
} else {
memory_cost
}
}
}
impl Manifest {
pub fn min_replicas(&self) -> u32 {
if let Some(ref hpa) = self.autoScaling {
hpa.minReplicas
} else {
self.replicaCount.unwrap()
}
}
pub fn estimate_rollout_iterations(&self) -> u32 {
let rcount = self.min_replicas();
if let Some(ru) = self.rollingUpdate.clone() {
ru.rollout_iterations(rcount)
} else {
RollingUpdate::default().rollout_iterations(rcount)
}
}
pub fn estimate_wait_time(&self) -> u32 {
if let Some(size) = self.imageSize {
let pulltimeestimate = std::cmp::max(60, ((f64::from(size) * 90.0) / 512.0) as u32);
let rollout_iterations = self.estimate_rollout_iterations();
let delayTimeSecs = if let Some(ref hc) = self.health {
hc.wait
} else if let Some(ref rp) = self.readinessProbe {
rp.initialDelaySeconds
} else {
30
};
let delayTime = (f64::from(delayTimeSecs) * 1.5).ceil() as u32;
(delayTime + pulltimeestimate) * rollout_iterations
} else {
warn!("Missing imageSize in {}", self.name);
300
}
}
pub fn compute_resource_totals(&self) -> Result<ResourceTotals> {
let mut base: ResourceRequirements<f64> = ResourceRequirements::default();
let mut extra: ResourceRequirements<f64> = ResourceRequirements::default();
let res = self.resources.clone().unwrap().normalised()?;
if let Some(ref ascale) = self.autoScaling {
base += res.clone() * ascale.minReplicas;
extra += res * (ascale.maxReplicas - ascale.minReplicas);
} else if let Some(rc) = self.replicaCount {
base += res * rc;
for s in &self.sidecars {
if let Some(ref scrsc) = s.resources {
base += scrsc.normalised()? * rc;
}
}
} else {
bail!("{} does not have replicaCount", self.name);
}
for w in &self.workers {
if let Some(resources) = &w.container.resources {
base += resources.normalised()? * w.replicaCount;
}
for s in &self.sidecars {
if let Some(ref scrsc) = s.resources {
base += scrsc.normalised()? * w.replicaCount;
}
}
}
Ok(ResourceTotals { base, extra })
}
}
#[cfg(test)]
mod tests {
use super::Manifest;
use crate::structs::HealthCheck;
#[test]
fn mf_wait_time_check() {
let mut mf = Manifest::default();
mf.imageSize = Some(512);
mf.health = Some(HealthCheck {
uri: "/".into(),
wait: 60,
..Default::default()
});
mf.replicaCount = Some(1);
assert_eq!(mf.estimate_wait_time(), 180);
mf.replicaCount = Some(2);
assert_eq!(mf.estimate_wait_time(), 360);
mf.imageSize = Some(4096);
mf.health = Some(HealthCheck {
uri: "/".into(),
wait: 10,
..Default::default()
});
mf.replicaCount = Some(1);
assert_eq!(mf.estimate_wait_time(), 735);
mf.imageSize = Some(512);
mf.health = Some(HealthCheck {
uri: "/".into(),
wait: 600,
..Default::default()
});
mf.replicaCount = Some(1);
assert_eq!(mf.estimate_wait_time(), 990);
}
}