Files
harmony/harmony/src/modules/application/features/monitoring.rs

140 lines
4.4 KiB
Rust

use crate::modules::application::{
Application, ApplicationFeature, InstallationError, InstallationOutcome,
};
use crate::modules::monitoring::application_monitoring::application_monitoring_score::ApplicationMonitoringScore;
use crate::modules::monitoring::grafana::grafana::Grafana;
use crate::modules::monitoring::kube_prometheus::crd::crd_alertmanager_config::CRDPrometheus;
use crate::modules::monitoring::kube_prometheus::crd::service_monitor::{
ServiceMonitor, ServiceMonitorSpec,
};
use crate::topology::MultiTargetTopology;
use crate::topology::ingress::Ingress;
use crate::{
inventory::Inventory,
modules::monitoring::{
alert_channel::webhook_receiver::WebhookReceiver, ntfy::ntfy::NtfyScore,
},
score::Score,
topology::{HelmCommand, K8sclient, Topology, tenant::TenantManager},
};
use crate::{
modules::prometheus::prometheus::PrometheusMonitoring,
topology::oberservability::monitoring::AlertReceiver,
};
use async_trait::async_trait;
use base64::{Engine as _, engine::general_purpose};
use harmony_secret::SecretManager;
use harmony_secret_derive::Secret;
use harmony_types::net::Url;
use kube::api::ObjectMeta;
use log::{debug, info};
use serde::{Deserialize, Serialize};
use std::sync::Arc;
#[derive(Debug, Clone)]
pub struct Monitoring {
pub application: Arc<dyn Application>,
pub alert_receiver: Vec<Box<dyn AlertReceiver<CRDPrometheus>>>,
}
#[async_trait]
impl<
T: Topology
+ HelmCommand
+ 'static
+ TenantManager
+ K8sclient
+ MultiTargetTopology
+ PrometheusMonitoring<CRDPrometheus>
+ Grafana
+ Ingress
+ std::fmt::Debug,
> ApplicationFeature<T> for Monitoring
{
async fn ensure_installed(
&self,
topology: &T,
) -> Result<InstallationOutcome, InstallationError> {
info!("Ensuring monitoring is available for application");
let namespace = topology
.get_tenant_config()
.await
.map(|ns| ns.name.clone())
.unwrap_or_else(|| self.application.name());
let domain = topology.get_domain("ntfy").await.unwrap();
let app_service_monitor = ServiceMonitor {
metadata: ObjectMeta {
name: Some(self.application.name()),
namespace: Some(namespace.clone()),
..Default::default()
},
spec: ServiceMonitorSpec::default(),
};
let mut alerting_score = ApplicationMonitoringScore {
sender: CRDPrometheus {
namespace: namespace.clone(),
client: topology.k8s_client().await.unwrap(),
service_monitor: vec![app_service_monitor],
},
application: self.application.clone(),
receivers: self.alert_receiver.clone(),
};
let ntfy = NtfyScore {
namespace: namespace.clone(),
host: domain,
};
ntfy.interpret(&Inventory::empty(), topology)
.await
.map_err(|e| e.to_string())?;
let config = SecretManager::get_or_prompt::<NtfyAuth>().await.unwrap();
let ntfy_default_auth_header = format!(
"Basic {}",
general_purpose::STANDARD.encode(format!("{}:{}", config.username, config.password))
);
debug!("ntfy_default_auth_header: {ntfy_default_auth_header}");
let ntfy_default_auth_param = general_purpose::STANDARD
.encode(ntfy_default_auth_header)
.replace("=", "");
debug!("ntfy_default_auth_param: {ntfy_default_auth_param}");
let ntfy_receiver = WebhookReceiver {
name: "ntfy-webhook".to_string(),
url: Url::Url(
url::Url::parse(
format!(
"http://ntfy.{}.svc.cluster.local/rust-web-app?auth={ntfy_default_auth_param}",
namespace.clone()
)
.as_str(),
)
.unwrap(),
),
};
alerting_score.receivers.push(Box::new(ntfy_receiver));
alerting_score
.interpret(&Inventory::empty(), topology)
.await
.map_err(|e| e.to_string())?;
Ok(InstallationOutcome::success())
}
fn name(&self) -> String {
"Monitoring".to_string()
}
}
#[derive(Secret, Serialize, Deserialize, Clone, Debug)]
struct NtfyAuth {
username: String,
password: String,
}