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Refactor k8s wait logic into modular orchestrator

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This commit is contained in:
andrussal 2025-12-10 10:25:51 +01:00
parent 2d05b60c74
commit 2d9ab968ad
8 changed files with 528 additions and 496 deletions
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496
testing-framework/runners/k8s/src/wait.rs
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@ -1,496 +0,0 @@
use std::{
net::{Ipv4Addr, TcpListener, TcpStream},
process::{Command as StdCommand, Stdio},
thread,
time::Duration,
};
use k8s_openapi::api::{apps::v1::Deployment, core::v1::Service};
use kube::{Api, Client, Error as KubeError};
use testing_framework_core::scenario::http_probe::{self, HttpReadinessError, NodeRole};
use thiserror::Error;
use tokio::time::sleep;
use crate::host::node_host;
const DEPLOYMENT_TIMEOUT: Duration = Duration::from_secs(180);
const NODE_HTTP_TIMEOUT: Duration = Duration::from_secs(240);
const NODE_HTTP_PROBE_TIMEOUT: Duration = Duration::from_secs(30);
const HTTP_POLL_INTERVAL: Duration = Duration::from_secs(1);
const PROMETHEUS_HTTP_PORT: u16 = 9090;
const PROMETHEUS_HTTP_TIMEOUT: Duration = Duration::from_secs(240);
const PROMETHEUS_HTTP_PROBE_TIMEOUT: Duration = Duration::from_secs(30);
const PROMETHEUS_SERVICE_NAME: &str = "prometheus";
/// Container and host-side HTTP ports for a node in the Helm chart values.
#[derive(Clone, Copy, Debug)]
pub struct NodeConfigPorts {
pub api: u16,
pub testing: u16,
}
/// Host-facing NodePorts for a node.
#[derive(Clone, Copy, Debug)]
pub struct NodePortAllocation {
pub api: u16,
pub testing: u16,
}
/// All port assignments for the cluster plus Prometheus.
#[derive(Debug)]
pub struct ClusterPorts {
pub validators: Vec<NodePortAllocation>,
pub executors: Vec<NodePortAllocation>,
pub prometheus: u16,
}
/// Success result from waiting for the cluster: host ports and forward handles.
#[derive(Debug)]
pub struct ClusterReady {
pub ports: ClusterPorts,
pub port_forwards: Vec<std::process::Child>,
}
#[derive(Debug, Error)]
/// Failures while waiting for Kubernetes deployments or endpoints.
pub enum ClusterWaitError {
#[error("deployment {name} in namespace {namespace} did not become ready within {timeout:?}")]
DeploymentTimeout {
name: String,
namespace: String,
timeout: Duration,
},
#[error("failed to fetch deployment {name}: {source}")]
DeploymentFetch {
name: String,
#[source]
source: KubeError,
},
#[error("failed to fetch service {service}: {source}")]
ServiceFetch {
service: String,
#[source]
source: KubeError,
},
#[error("service {service} did not allocate a node port for {port}")]
NodePortUnavailable { service: String, port: u16 },
#[error("cluster must have at least one validator")]
MissingValidator,
#[error(
"timeout waiting for {role} HTTP endpoint on port {port} after {timeout:?}",
role = role.label()
)]
NodeHttpTimeout {
role: NodeRole,
port: u16,
timeout: Duration,
},
#[error("timeout waiting for prometheus readiness on NodePort {port}")]
PrometheusTimeout { port: u16 },
#[error("failed to start port-forward for service {service} port {port}: {source}")]
PortForward {
service: String,
port: u16,
#[source]
source: anyhow::Error,
},
}
pub async fn wait_for_deployment_ready(
client: &Client,
namespace: &str,
name: &str,
timeout: Duration,
) -> Result<(), ClusterWaitError> {
let mut elapsed = Duration::ZERO;
let interval = Duration::from_secs(2);
while elapsed <= timeout {
match Api::<Deployment>::namespaced(client.clone(), namespace)
.get(name)
.await
{
Ok(deployment) => {
let desired = deployment
.spec
.as_ref()
.and_then(|spec| spec.replicas)
.unwrap_or(1);
let ready = deployment
.status
.as_ref()
.and_then(|status| status.ready_replicas)
.unwrap_or(0);
if ready >= desired {
return Ok(());
}
}
Err(err) => {
return Err(ClusterWaitError::DeploymentFetch {
name: name.to_owned(),
source: err,
});
}
}
sleep(interval).await;
elapsed += interval;
}
Err(ClusterWaitError::DeploymentTimeout {
name: name.to_owned(),
namespace: namespace.to_owned(),
timeout,
})
}
pub async fn find_node_port(
client: &Client,
namespace: &str,
service_name: &str,
service_port: u16,
) -> Result<u16, ClusterWaitError> {
let interval = Duration::from_secs(1);
for _ in 0..120 {
match Api::<Service>::namespaced(client.clone(), namespace)
.get(service_name)
.await
{
Ok(service) => {
if let Some(spec) = service.spec.clone()
&& let Some(ports) = spec.ports
{
for port in ports {
if port.port == i32::from(service_port)
&& let Some(node_port) = port.node_port
{
return Ok(node_port as u16);
}
}
}
}
Err(err) => {
return Err(ClusterWaitError::ServiceFetch {
service: service_name.to_owned(),
source: err,
});
}
}
sleep(interval).await;
}
Err(ClusterWaitError::NodePortUnavailable {
service: service_name.to_owned(),
port: service_port,
})
}
pub async fn wait_for_cluster_ready(
client: &Client,
namespace: &str,
release: &str,
validator_ports: &[NodeConfigPorts],
executor_ports: &[NodeConfigPorts],
) -> Result<ClusterReady, ClusterWaitError> {
if validator_ports.is_empty() {
return Err(ClusterWaitError::MissingValidator);
}
let mut validator_allocations = Vec::with_capacity(validator_ports.len());
for (index, ports) in validator_ports.iter().enumerate() {
let name = format!("{release}-validator-{index}");
wait_for_deployment_ready(client, namespace, &name, DEPLOYMENT_TIMEOUT).await?;
let api_port = find_node_port(client, namespace, &name, ports.api).await?;
let testing_port = find_node_port(client, namespace, &name, ports.testing).await?;
validator_allocations.push(NodePortAllocation {
api: api_port,
testing: testing_port,
});
}
let mut port_forwards = Vec::new();
let validator_api_ports: Vec<u16> = validator_allocations
.iter()
.map(|ports| ports.api)
.collect();
if wait_for_node_http_nodeport(
&validator_api_ports,
NodeRole::Validator,
NODE_HTTP_PROBE_TIMEOUT,
)
.await
.is_err()
{
// Fall back to port-forwarding when NodePorts are unreachable from the host.
validator_allocations.clear();
port_forwards = port_forward_group(
namespace,
release,
"validator",
validator_ports,
&mut validator_allocations,
)?;
let validator_api_ports: Vec<u16> = validator_allocations
.iter()
.map(|ports| ports.api)
.collect();
if let Err(err) =
wait_for_node_http_port_forward(&validator_api_ports, NodeRole::Validator).await
{
kill_port_forwards(&mut port_forwards);
return Err(err);
}
}
let mut executor_allocations = Vec::with_capacity(executor_ports.len());
for (index, ports) in executor_ports.iter().enumerate() {
let name = format!("{release}-executor-{index}");
wait_for_deployment_ready(client, namespace, &name, DEPLOYMENT_TIMEOUT).await?;
let api_port = find_node_port(client, namespace, &name, ports.api).await?;
let testing_port = find_node_port(client, namespace, &name, ports.testing).await?;
executor_allocations.push(NodePortAllocation {
api: api_port,
testing: testing_port,
});
}
let executor_api_ports: Vec<u16> = executor_allocations.iter().map(|ports| ports.api).collect();
if !executor_allocations.is_empty()
&& wait_for_node_http_nodeport(
&executor_api_ports,
NodeRole::Executor,
NODE_HTTP_PROBE_TIMEOUT,
)
.await
.is_err()
{
executor_allocations.clear();
match port_forward_group(
namespace,
release,
"executor",
executor_ports,
&mut executor_allocations,
) {
Ok(forwards) => port_forwards.extend(forwards),
Err(err) => {
kill_port_forwards(&mut port_forwards);
return Err(err);
}
}
let executor_api_ports: Vec<u16> =
executor_allocations.iter().map(|ports| ports.api).collect();
if let Err(err) =
wait_for_node_http_port_forward(&executor_api_ports, NodeRole::Executor).await
{
kill_port_forwards(&mut port_forwards);
return Err(err);
}
}
let mut prometheus_port = find_node_port(
client,
namespace,
PROMETHEUS_SERVICE_NAME,
PROMETHEUS_HTTP_PORT,
)
.await?;
if wait_for_prometheus_http_nodeport(prometheus_port, PROMETHEUS_HTTP_PROBE_TIMEOUT)
.await
.is_err()
{
let (local_port, forward) =
port_forward_service(namespace, PROMETHEUS_SERVICE_NAME, PROMETHEUS_HTTP_PORT)
.map_err(|err| {
kill_port_forwards(&mut port_forwards);
err
})?;
prometheus_port = local_port;
port_forwards.push(forward);
if let Err(err) =
wait_for_prometheus_http_port_forward(prometheus_port, PROMETHEUS_HTTP_TIMEOUT).await
{
kill_port_forwards(&mut port_forwards);
return Err(err);
}
}
Ok(ClusterReady {
ports: ClusterPorts {
validators: validator_allocations,
executors: executor_allocations,
prometheus: prometheus_port,
},
port_forwards,
})
}
async fn wait_for_node_http_nodeport(
ports: &[u16],
role: NodeRole,
timeout: Duration,
) -> Result<(), ClusterWaitError> {
let host = node_host();
wait_for_node_http_on_host(ports, role, &host, timeout).await
}
async fn wait_for_node_http_port_forward(
ports: &[u16],
role: NodeRole,
) -> Result<(), ClusterWaitError> {
wait_for_node_http_on_host(ports, role, "127.0.0.1", NODE_HTTP_TIMEOUT).await
}
async fn wait_for_node_http_on_host(
ports: &[u16],
role: NodeRole,
host: &str,
timeout: Duration,
) -> Result<(), ClusterWaitError> {
http_probe::wait_for_http_ports_with_host(ports, role, host, timeout, HTTP_POLL_INTERVAL)
.await
.map_err(map_http_error)
}
const fn map_http_error(error: HttpReadinessError) -> ClusterWaitError {
ClusterWaitError::NodeHttpTimeout {
role: error.role(),
port: error.port(),
timeout: error.timeout(),
}
}
pub async fn wait_for_prometheus_http_nodeport(
port: u16,
timeout: Duration,
) -> Result<(), ClusterWaitError> {
let host = node_host();
wait_for_prometheus_http(&host, port, timeout).await
}
pub async fn wait_for_prometheus_http_port_forward(
port: u16,
timeout: Duration,
) -> Result<(), ClusterWaitError> {
wait_for_prometheus_http("127.0.0.1", port, timeout).await
}
pub async fn wait_for_prometheus_http(
host: &str,
port: u16,
timeout: Duration,
) -> Result<(), ClusterWaitError> {
let client = reqwest::Client::new();
let url = format!("http://{host}:{port}/-/ready");
for _ in 0..timeout.as_secs() {
if let Ok(resp) = client.get(&url).send().await
&& resp.status().is_success()
{
return Ok(());
}
sleep(Duration::from_secs(1)).await;
}
Err(ClusterWaitError::PrometheusTimeout { port })
}
fn port_forward_group(
namespace: &str,
release: &str,
kind: &str,
ports: &[NodeConfigPorts],
allocations: &mut Vec<NodePortAllocation>,
) -> Result<Vec<std::process::Child>, ClusterWaitError> {
let mut forwards = Vec::new();
for (index, ports) in ports.iter().enumerate() {
let service = format!("{release}-{kind}-{index}");
let (api_port, api_forward) = match port_forward_service(namespace, &service, ports.api) {
Ok(forward) => forward,
Err(err) => {
kill_port_forwards(&mut forwards);
return Err(err);
}
};
let (testing_port, testing_forward) =
match port_forward_service(namespace, &service, ports.testing) {
Ok(forward) => forward,
Err(err) => {
kill_port_forwards(&mut forwards);
return Err(err);
}
};
allocations.push(NodePortAllocation {
api: api_port,
testing: testing_port,
});
forwards.push(api_forward);
forwards.push(testing_forward);
}
Ok(forwards)
}
fn port_forward_service(
namespace: &str,
service: &str,
remote_port: u16,
) -> Result<(u16, std::process::Child), ClusterWaitError> {
let local_port = allocate_local_port().map_err(|source| ClusterWaitError::PortForward {
service: service.to_owned(),
port: remote_port,
source,
})?;
let mut child = StdCommand::new("kubectl")
.arg("port-forward")
.arg("-n")
.arg(namespace)
.arg(format!("svc/{service}"))
.arg(format!("{local_port}:{remote_port}"))
.stdout(Stdio::null())
.stderr(Stdio::null())
.spawn()
.map_err(|source| ClusterWaitError::PortForward {
service: service.to_owned(),
port: remote_port,
source: source.into(),
})?;
for _ in 0..20 {
if let Ok(Some(status)) = child.try_wait() {
return Err(ClusterWaitError::PortForward {
service: service.to_owned(),
port: remote_port,
source: anyhow::anyhow!("kubectl exited with {status}"),
});
}
if TcpStream::connect((Ipv4Addr::LOCALHOST, local_port)).is_ok() {
return Ok((local_port, child));
}
thread::sleep(Duration::from_millis(250));
}
let _ = child.kill();
Err(ClusterWaitError::PortForward {
service: service.to_owned(),
port: remote_port,
source: anyhow::anyhow!("port-forward did not become ready"),
})
}
fn allocate_local_port() -> anyhow::Result<u16> {
let listener = TcpListener::bind((Ipv4Addr::LOCALHOST, 0))?;
let port = listener.local_addr()?.port();
drop(listener);
Ok(port)
}
fn kill_port_forwards(handles: &mut Vec<std::process::Child>) {
for handle in handles.iter_mut() {
let _ = handle.kill();
let _ = handle.wait();
}
handles.clear();
}

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testing-framework/runners/k8s/src/wait/deployment.rs Normal file
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use k8s_openapi::api::apps::v1::Deployment;
use kube::{Api, Client};
use tokio::time::sleep;
use super::{ClusterWaitError, DEPLOYMENT_TIMEOUT};
pub async fn wait_for_deployment_ready(
client: &Client,
namespace: &str,
name: &str,
) -> Result<(), ClusterWaitError> {
let mut elapsed = std::time::Duration::ZERO;
let interval = std::time::Duration::from_secs(2);
while elapsed <= DEPLOYMENT_TIMEOUT {
match Api::<Deployment>::namespaced(client.clone(), namespace)
.get(name)
.await
{
Ok(deployment) => {
let desired = deployment
.spec
.as_ref()
.and_then(|spec| spec.replicas)
.unwrap_or(1);
let ready = deployment
.status
.as_ref()
.and_then(|status| status.ready_replicas)
.unwrap_or(0);
if ready >= desired {
return Ok(());
}
}
Err(err) => {
return Err(ClusterWaitError::DeploymentFetch {
name: name.to_owned(),
source: err,
});
}
}
sleep(interval).await;
elapsed += interval;
}
Err(ClusterWaitError::DeploymentTimeout {
name: name.to_owned(),
namespace: namespace.to_owned(),
timeout: DEPLOYMENT_TIMEOUT,
})
}

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testing-framework/runners/k8s/src/wait/forwarding.rs Normal file
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use std::{
net::{Ipv4Addr, TcpListener, TcpStream},
process::{Child, Command as StdCommand, Stdio},
thread,
time::Duration,
};
use super::{ClusterWaitError, NodeConfigPorts, NodePortAllocation};
pub fn port_forward_group(
namespace: &str,
release: &str,
kind: &str,
ports: &[NodeConfigPorts],
allocations: &mut Vec<NodePortAllocation>,
) -> Result<Vec<Child>, ClusterWaitError> {
let mut forwards = Vec::new();
for (index, ports) in ports.iter().enumerate() {
let service = format!("{release}-{kind}-{index}");
let (api_port, api_forward) = match port_forward_service(namespace, &service, ports.api) {
Ok(forward) => forward,
Err(err) => {
kill_port_forwards(&mut forwards);
return Err(err);
}
};
let (testing_port, testing_forward) =
match port_forward_service(namespace, &service, ports.testing) {
Ok(forward) => forward,
Err(err) => {
kill_port_forwards(&mut forwards);
return Err(err);
}
};
allocations.push(NodePortAllocation {
api: api_port,
testing: testing_port,
});
forwards.push(api_forward);
forwards.push(testing_forward);
}
Ok(forwards)
}
pub fn port_forward_service(
namespace: &str,
service: &str,
remote_port: u16,
) -> Result<(u16, Child), ClusterWaitError> {
let local_port = allocate_local_port().map_err(|source| ClusterWaitError::PortForward {
service: service.to_owned(),
port: remote_port,
source,
})?;
let mut child = StdCommand::new("kubectl")
.arg("port-forward")
.arg("-n")
.arg(namespace)
.arg(format!("svc/{service}"))
.arg(format!("{local_port}:{remote_port}"))
.stdout(Stdio::null())
.stderr(Stdio::null())
.spawn()
.map_err(|source| ClusterWaitError::PortForward {
service: service.to_owned(),
port: remote_port,
source: source.into(),
})?;
for _ in 0..20 {
if let Ok(Some(status)) = child.try_wait() {
return Err(ClusterWaitError::PortForward {
service: service.to_owned(),
port: remote_port,
source: anyhow::anyhow!("kubectl exited with {status}"),
});
}
if TcpStream::connect((Ipv4Addr::LOCALHOST, local_port)).is_ok() {
return Ok((local_port, child));
}
thread::sleep(Duration::from_millis(250));
}
let _ = child.kill();
Err(ClusterWaitError::PortForward {
service: service.to_owned(),
port: remote_port,
source: anyhow::anyhow!("port-forward did not become ready"),
})
}
pub fn kill_port_forwards(handles: &mut Vec<Child>) {
for handle in handles.iter_mut() {
let _ = handle.kill();
let _ = handle.wait();
}
handles.clear();
}
fn allocate_local_port() -> anyhow::Result<u16> {
let listener = TcpListener::bind((Ipv4Addr::LOCALHOST, 0))?;
let port = listener.local_addr()?.port();
drop(listener);
Ok(port)
}

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testing-framework/runners/k8s/src/wait/http_probe.rs Normal file
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use testing_framework_core::scenario::http_probe::{self, HttpReadinessError, NodeRole};
use super::{ClusterWaitError, HTTP_POLL_INTERVAL, NODE_HTTP_PROBE_TIMEOUT, NODE_HTTP_TIMEOUT};
use crate::host::node_host;
pub async fn wait_for_node_http_nodeport(
ports: &[u16],
role: NodeRole,
) -> Result<(), ClusterWaitError> {
let host = node_host();
wait_for_node_http_on_host(ports, role, &host, NODE_HTTP_PROBE_TIMEOUT).await
}
pub async fn wait_for_node_http_port_forward(
ports: &[u16],
role: NodeRole,
) -> Result<(), ClusterWaitError> {
wait_for_node_http_on_host(ports, role, "127.0.0.1", NODE_HTTP_TIMEOUT).await
}
async fn wait_for_node_http_on_host(
ports: &[u16],
role: NodeRole,
host: &str,
timeout: std::time::Duration,
) -> Result<(), ClusterWaitError> {
http_probe::wait_for_http_ports_with_host(ports, role, host, timeout, HTTP_POLL_INTERVAL)
.await
.map_err(map_http_error)
}
const fn map_http_error(error: HttpReadinessError) -> ClusterWaitError {
ClusterWaitError::NodeHttpTimeout {
role: error.role(),
port: error.port(),
timeout: error.timeout(),
}
}

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testing-framework/runners/k8s/src/wait/mod.rs Normal file
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use std::time::Duration;
use kube::Error as KubeError;
use testing_framework_core::scenario::http_probe::NodeRole;
use thiserror::Error;
mod deployment;
mod forwarding;
mod http_probe;
mod orchestrator;
mod ports;
mod prometheus;
pub use orchestrator::wait_for_cluster_ready;
/// Container and host-side HTTP ports for a node in the Helm chart values.
#[derive(Clone, Copy, Debug)]
pub struct NodeConfigPorts {
pub api: u16,
pub testing: u16,
}
/// Host-facing NodePorts for a node.
#[derive(Clone, Copy, Debug)]
pub struct NodePortAllocation {
pub api: u16,
pub testing: u16,
}
/// All port assignments for the cluster plus Prometheus.
#[derive(Debug)]
pub struct ClusterPorts {
pub validators: Vec<NodePortAllocation>,
pub executors: Vec<NodePortAllocation>,
pub prometheus: u16,
}
/// Success result from waiting for the cluster: host ports and forward handles.
#[derive(Debug)]
pub struct ClusterReady {
pub ports: ClusterPorts,
pub port_forwards: Vec<std::process::Child>,
}
#[derive(Debug, Error)]
/// Failures while waiting for Kubernetes deployments or endpoints.
pub enum ClusterWaitError {
#[error("deployment {name} in namespace {namespace} did not become ready within {timeout:?}")]
DeploymentTimeout {
name: String,
namespace: String,
timeout: Duration,
},
#[error("failed to fetch deployment {name}: {source}")]
DeploymentFetch {
name: String,
#[source]
source: KubeError,
},
#[error("failed to fetch service {service}: {source}")]
ServiceFetch {
service: String,
#[source]
source: KubeError,
},
#[error("service {service} did not allocate a node port for {port}")]
NodePortUnavailable { service: String, port: u16 },
#[error("cluster must have at least one validator")]
MissingValidator,
#[error(
"timeout waiting for {role} HTTP endpoint on port {port} after {timeout:?}",
role = role.label()
)]
NodeHttpTimeout {
role: NodeRole,
port: u16,
timeout: Duration,
},
#[error("timeout waiting for prometheus readiness on NodePort {port}")]
PrometheusTimeout { port: u16 },
#[error("failed to start port-forward for service {service} port {port}: {source}")]
PortForward {
service: String,
port: u16,
#[source]
source: anyhow::Error,
},
}
pub(crate) const DEPLOYMENT_TIMEOUT: Duration = Duration::from_secs(180);
pub(crate) const NODE_HTTP_TIMEOUT: Duration = Duration::from_secs(240);
pub(crate) const NODE_HTTP_PROBE_TIMEOUT: Duration = Duration::from_secs(30);
pub(crate) const HTTP_POLL_INTERVAL: Duration = Duration::from_secs(1);
pub(crate) const PROMETHEUS_HTTP_PORT: u16 = 9090;
pub(crate) const PROMETHEUS_HTTP_TIMEOUT: Duration = Duration::from_secs(240);
pub(crate) const PROMETHEUS_HTTP_PROBE_TIMEOUT: Duration = Duration::from_secs(30);
pub(crate) const PROMETHEUS_SERVICE_NAME: &str = "prometheus";

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testing-framework/runners/k8s/src/wait/orchestrator.rs Normal file
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use kube::Client;
use testing_framework_core::scenario::http_probe::NodeRole;
use super::{
ClusterPorts, ClusterReady, ClusterWaitError, NodeConfigPorts, PROMETHEUS_HTTP_PORT,
PROMETHEUS_HTTP_PROBE_TIMEOUT, PROMETHEUS_SERVICE_NAME,
};
use crate::wait::{
deployment::wait_for_deployment_ready,
forwarding::{kill_port_forwards, port_forward_group, port_forward_service},
http_probe::{wait_for_node_http_nodeport, wait_for_node_http_port_forward},
ports::{discover_node_ports, find_node_port},
prometheus::{wait_for_prometheus_http_nodeport, wait_for_prometheus_http_port_forward},
};
pub async fn wait_for_cluster_ready(
client: &Client,
namespace: &str,
release: &str,
validator_ports: &[NodeConfigPorts],
executor_ports: &[NodeConfigPorts],
) -> Result<ClusterReady, ClusterWaitError> {
if validator_ports.is_empty() {
return Err(ClusterWaitError::MissingValidator);
}
let mut validator_allocations = Vec::with_capacity(validator_ports.len());
for (index, ports) in validator_ports.iter().enumerate() {
let name = format!("{release}-validator-{index}");
wait_for_deployment_ready(client, namespace, &name).await?;
let allocation = discover_node_ports(client, namespace, &name, *ports).await?;
validator_allocations.push(allocation);
}
let mut port_forwards = Vec::new();
let validator_api_ports: Vec<u16> = validator_allocations
.iter()
.map(|ports| ports.api)
.collect();
if wait_for_node_http_nodeport(&validator_api_ports, NodeRole::Validator)
.await
.is_err()
{
validator_allocations.clear();
port_forwards = port_forward_group(
namespace,
release,
"validator",
validator_ports,
&mut validator_allocations,
)?;
let validator_api_ports: Vec<u16> = validator_allocations
.iter()
.map(|ports| ports.api)
.collect();
if let Err(err) =
wait_for_node_http_port_forward(&validator_api_ports, NodeRole::Validator).await
{
kill_port_forwards(&mut port_forwards);
return Err(err);
}
}
let mut executor_allocations = Vec::with_capacity(executor_ports.len());
for (index, ports) in executor_ports.iter().enumerate() {
let name = format!("{release}-executor-{index}");
wait_for_deployment_ready(client, namespace, &name).await?;
let allocation = discover_node_ports(client, namespace, &name, *ports).await?;
executor_allocations.push(allocation);
}
let executor_api_ports: Vec<u16> = executor_allocations.iter().map(|ports| ports.api).collect();
if !executor_allocations.is_empty()
&& wait_for_node_http_nodeport(&executor_api_ports, NodeRole::Executor)
.await
.is_err()
{
executor_allocations.clear();
match port_forward_group(
namespace,
release,
"executor",
executor_ports,
&mut executor_allocations,
) {
Ok(forwards) => port_forwards.extend(forwards),
Err(err) => {
kill_port_forwards(&mut port_forwards);
return Err(err);
}
}
let executor_api_ports: Vec<u16> =
executor_allocations.iter().map(|ports| ports.api).collect();
if let Err(err) =
wait_for_node_http_port_forward(&executor_api_ports, NodeRole::Executor).await
{
kill_port_forwards(&mut port_forwards);
return Err(err);
}
}
let mut prometheus_port = find_node_port(
client,
namespace,
PROMETHEUS_SERVICE_NAME,
PROMETHEUS_HTTP_PORT,
)
.await?;
if wait_for_prometheus_http_nodeport(prometheus_port, PROMETHEUS_HTTP_PROBE_TIMEOUT)
.await
.is_err()
{
let (local_port, forward) =
port_forward_service(namespace, PROMETHEUS_SERVICE_NAME, PROMETHEUS_HTTP_PORT)
.map_err(|err| {
kill_port_forwards(&mut port_forwards);
err
})?;
prometheus_port = local_port;
port_forwards.push(forward);
if let Err(err) = wait_for_prometheus_http_port_forward(prometheus_port).await {
kill_port_forwards(&mut port_forwards);
return Err(err);
}
}
Ok(ClusterReady {
ports: ClusterPorts {
validators: validator_allocations,
executors: executor_allocations,
prometheus: prometheus_port,
},
port_forwards,
})
}

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testing-framework/runners/k8s/src/wait/ports.rs Normal file
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@ -0,0 +1,62 @@
use k8s_openapi::api::core::v1::Service;
use kube::{Api, Client};
use tokio::time::sleep;
use super::{ClusterWaitError, NodeConfigPorts, NodePortAllocation};
pub async fn find_node_port(
client: &Client,
namespace: &str,
service_name: &str,
service_port: u16,
) -> Result<u16, ClusterWaitError> {
let interval = std::time::Duration::from_secs(1);
for _ in 0..120 {
match Api::<Service>::namespaced(client.clone(), namespace)
.get(service_name)
.await
{
Ok(service) => {
if let Some(spec) = service.spec.clone()
&& let Some(ports) = spec.ports
{
for port in ports {
if port.port == i32::from(service_port)
&& let Some(node_port) = port.node_port
{
return Ok(node_port as u16);
}
}
}
}
Err(err) => {
return Err(ClusterWaitError::ServiceFetch {
service: service_name.to_owned(),
source: err,
});
}
}
sleep(interval).await;
}
Err(ClusterWaitError::NodePortUnavailable {
service: service_name.to_owned(),
port: service_port,
})
}
pub async fn discover_node_ports(
client: &Client,
namespace: &str,
service_name: &str,
config_ports: NodeConfigPorts,
) -> Result<NodePortAllocation, ClusterWaitError> {
let api_port = find_node_port(client, namespace, service_name, config_ports.api).await?;
let testing_port =
find_node_port(client, namespace, service_name, config_ports.testing).await?;
Ok(NodePortAllocation {
api: api_port,
testing: testing_port,
})
}

36
testing-framework/runners/k8s/src/wait/prometheus.rs Normal file
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use tokio::time::sleep;
use super::{ClusterWaitError, PROMETHEUS_HTTP_TIMEOUT};
use crate::host::node_host;
pub async fn wait_for_prometheus_http_nodeport(
port: u16,
timeout: std::time::Duration,
) -> Result<(), ClusterWaitError> {
let host = node_host();
wait_for_prometheus_http(&host, port, timeout).await
}
pub async fn wait_for_prometheus_http_port_forward(port: u16) -> Result<(), ClusterWaitError> {
wait_for_prometheus_http("127.0.0.1", port, PROMETHEUS_HTTP_TIMEOUT).await
}
async fn wait_for_prometheus_http(
host: &str,
port: u16,
timeout: std::time::Duration,
) -> Result<(), ClusterWaitError> {
let client = reqwest::Client::new();
let url = format!("http://{host}:{port}/-/ready");
for _ in 0..timeout.as_secs() {
if let Ok(resp) = client.get(&url).send().await
&& resp.status().is_success()
{
return Ok(());
}
sleep(std::time::Duration::from_secs(1)).await;
}
Err(ClusterWaitError::PrometheusTimeout { port })
}