feat: install discord alert manager helm chart when Discord is the chosen alerting channel

harmony/src/modules/monitoring/config.rs

@@ -2,46 +2,54 @@ use email_address::EmailAddress;
 use serde::Serialize;
 use url::Url;
 
+use super::monitoring_alerting::WebhookServiceType;
+
 #[derive(Debug, Clone, Serialize)]
 pub struct KubePrometheusConfig {
     pub namespace: String,
-    pub node_exporter: bool,
+    pub default_rules: bool,
+    pub windows_monitoring: bool,
     pub alert_manager: bool,
+    pub node_exporter: bool,
     pub prometheus: bool,
     pub grafana: bool,
-    pub windows_monitoring: bool,
     pub kubernetes_service_monitors: bool,
+    pub kubernetes_api_server: bool,
     pub kubelet: bool,
     pub kube_controller_manager: bool,
+    pub core_dns: bool,
     pub kube_etcd: bool,
+    pub kube_scheduler: bool,
     pub kube_proxy: bool,
     pub kube_state_metrics: bool,
     pub prometheus_operator: bool,
     pub webhook_url: Option<Url>,
-    pub webhook_service_name: Option<String>,
+    pub webhook_service_type: Option<WebhookServiceType>,
-    pub smpt_email_address: Option<EmailAddress>,
+    pub discord_alert_manager_release_name: String,
-    pub smtp_service_name: Option<String>,
 }
 impl KubePrometheusConfig {
     pub fn new() -> Self {
         Self {
             namespace: "monitoring".into(),
-            node_exporter: false,
+            default_rules: true,
-            alert_manager: false,
-            prometheus: true,
-            grafana: true,
             windows_monitoring: false,
+            alert_manager: true,
+            webhook_service_type: None,
+            webhook_url: None,
+            grafana: true,
+            node_exporter: false,
+            prometheus: true,
             kubernetes_service_monitors: true,
-            kubelet: true,
+            kubernetes_api_server: false,
-            kube_controller_manager: true,
+            kubelet: false,
-            kube_etcd: true,
+            kube_controller_manager: false,
-            kube_proxy: true,
+            kube_etcd: false,
+            kube_proxy: false,
             kube_state_metrics: true,
             prometheus_operator: true,
-            webhook_url: None,
+            core_dns: false,
-            webhook_service_name: None,
+            kube_scheduler: false,
-            smpt_email_address: None,
+            discord_alert_manager_release_name: "discord-alert-manager".into(),
-            smtp_service_name: None,
         }
     }
 }

harmony/src/modules/monitoring/discord_alert_manager.rs

@@ -0,0 +1,37 @@
+use std::str::FromStr;
+
+use non_blank_string_rs::NonBlankString;
+
+use crate::modules::helm::chart::HelmChartScore;
+
+use super::config::KubePrometheusConfig;
+
+pub fn discord_alert_manager_score(config: &KubePrometheusConfig) -> HelmChartScore {
+    let url = if let Some(url) = &config.webhook_url {
+        url.to_string()
+    } else {
+        "None".to_string()
+    };
+
+    let values = format!(
+        r#"    
+
+environment:
+  - name: "DISCORD_WEBHOOK"
+    value: "{url}"
+    "#,
+    );
+
+    HelmChartScore {
+        namespace: Some(NonBlankString::from_str(&config.namespace).unwrap()),
+        release_name: NonBlankString::from_str(&config.discord_alert_manager_release_name).unwrap(),
+        chart_name: NonBlankString::from_str("oci://hub.nationtech.io/nt/alertmanager-discord")
+            .unwrap(),
+        chart_version: None,
+        values_overrides: None,
+        values_yaml: Some(values.to_string()),
+        create_namespace: true,
+        install_only: true,
+        repository: None,
+    }
+}

harmony/src/modules/monitoring/kube_prometheus.rs

@@ -1,4 +1,4 @@
-use super::config::KubePrometheusConfig;
+use super::{config::KubePrometheusConfig, monitoring_alerting::WebhookServiceType};
 use non_blank_string_rs::NonBlankString;
 use std::{collections::HashMap, str::FromStr};
 
@@ -7,8 +7,61 @@ use crate::modules::helm::chart::HelmChartScore;
 pub fn kube_prometheus_helm_chart_score(config: &KubePrometheusConfig) -> HelmChartScore {
     //TODO this should be make into a rule with default formatting that can be easily passed as a vec
     //to the overrides or something leaving the user to deal with formatting here seems bad
-    let values = r#"
+    let default_rules = config.default_rules.to_string();
+    let windows_monitoring = config.windows_monitoring.to_string();
+    let alert_manager = config.alert_manager.to_string();
+    let webhook_service_type = if let Some(service) = &config.webhook_service_type {
+        match service {
+            WebhookServiceType::Discord  => "Discord".to_string(),
+            WebhookServiceType::Slack  => "Slack".to_string(),
+        }
+    } else {
+        "None".to_string()
+    };
+    let grafana = config.grafana.to_string();
+    let kubernetes_service_monitors = config.kubernetes_service_monitors.to_string();
+    let kubernetes_api_server = config.kubernetes_api_server.to_string();
+    let kubelet = config.kubelet.to_string();
+    let kube_controller_manager = config.kube_controller_manager.to_string();
+    let core_dns = config.core_dns.to_string();
+    let kube_etcd = config.kube_etcd.to_string();
+    let kube_scheduler = config.kube_scheduler.to_string();
+    let kube_proxy = config.kube_proxy.to_string();
+    let kube_state_metrics = config.kube_state_metrics.to_string();
+    let node_exporter = config.node_exporter.to_string();
+    let prometheus_operator = config.prometheus_operator.to_string();
+    let prometheus = config.prometheus.to_string();
+    let discord_alert_manager_release_name = config.discord_alert_manager_release_name.to_string();
+    let values = format!(
+        r#"
 additionalPrometheusRulesMap:
+  pods-status-alerts:
+    groups:
+      - name: pods
+        rules:
+          - alert: "[CRIT] POD not healthy"
+            expr: min_over_time(sum by (namespace, pod) (kube_pod_status_phase{{phase=~"Pending|Unknown|Failed"}})[15m:1m]) > 0
+            for: 0m
+            labels:
+              severity: critical
+            annotations:
+              title: "[CRIT] POD not healthy : {{ $labels.pod }}"
+              description: |
+               A POD is in a non-ready state!
+               - **Pod**: {{ $labels.pod }}
+               - **Namespace**: {{ $labels.namespace }}
+          - alert: "[CRIT] POD crash looping"
+            expr: increase(kube_pod_container_status_restarts_total[5m]) > 3
+            for: 0m
+            labels:
+              severity: critical
+            annotations:
+              title: "[CRIT] POD crash looping : {{ $labels.pod }}"
+              description: |
+               A POD is drowning in a crash loop!
+               - **Pod**: {{ $labels.pod }}
+               - **Namespace**: {{ $labels.namespace }}
+               - **Instance**: {{ $labels.instance }}
   pvc-alerts:
     groups:
       - name: pvc-alerts
@@ -31,49 +84,103 @@ additionalPrometheusRulesMap:
             annotations:
               description: The PVC {{ $labels.persistentvolumeclaim }} in namespace {{ $labels.namespace }} is predicted to fill over 95% in less than 2 days.
               title: PVC {{ $labels.persistentvolumeclaim }} in namespace {{ $labels.namespace }} will fill over 95% in less than 2 days
-"#;
+defaultRules:
-    let mut values_overrides: HashMap<NonBlankString, String> = HashMap::new();
+  create: {default_rules}
-
+  rules:
-    macro_rules! insert_flag {
+    alertmanager: true
-        ($key:expr, $val:expr) => {
+    etcd: true
-            values_overrides.insert(NonBlankString::from_str($key).unwrap(), $val.to_string());
+    configReloaders: true
-        };
+    general: true
-    }
+    k8sContainerCpuUsageSecondsTotal: true
-
+    k8sContainerMemoryCache: true
-    insert_flag!("nodeExporter.enabled", config.node_exporter);
+    k8sContainerMemoryRss: true
-    insert_flag!("windowsMonitoring.enabled", config.windows_monitoring);
+    k8sContainerMemorySwap: true
-    insert_flag!("grafana.enabled", config.grafana);
+    k8sContainerResource: true
-    insert_flag!("alertmanager.enabled", config.alert_manager);
+    k8sContainerMemoryWorkingSetBytes: true
-    insert_flag!("prometheus.enabled", config.prometheus);
+    k8sPodOwner: true
-    insert_flag!(
+    kubeApiserverAvailability: true
-        "kubernetes_service_monitors.enabled",
+    kubeApiserverBurnrate: true
-        config.kubernetes_service_monitors
+    kubeApiserverHistogram: true
+    kubeApiserverSlos: true
+    kubeControllerManager: true
+    kubelet: true
+    kubeProxy: true
+    kubePrometheusGeneral: true
+    kubePrometheusNodeRecording: true
+    kubernetesApps: true
+    kubernetesResources: true
+    kubernetesStorage: true
+    kubernetesSystem: true
+    kubeSchedulerAlerting: true
+    kubeSchedulerRecording: true
+    kubeStateMetrics: true
+    network: true
+    node: true
+    nodeExporterAlerting: true
+    nodeExporterRecording: true
+    prometheus: true
+    prometheusOperator: true
+    windows: true
+windowsMonitoring:
+  enabled: {windows_monitoring}
+alertmanager:
+  enabled: {alert_manager}
+  config: 
+    route:
+      group_by: ['job']
+      group_wait: 30s
+      group_interval: 5m
+      repeat_interval: 12h
+      receiver: '{webhook_service_type}'
+      routes:
+      - receiver: 'null'
+        matchers:
+          - alertname="Watchdog"
+        continue: false
+    receivers:
+    - name: 'null'
+    - name: '{webhook_service_type}'
+      webhook_configs:
+      - url: 'http://{discord_alert_manager_release_name}-alertmanager-discord:9094'
+        send_resolved: true
+grafana:
+  enabled: {grafana}
+kubernetesServiceMonitors:
+  enabled: {kubernetes_service_monitors}
+kubeApiServer:
+  enabled: {kubernetes_api_server}
+kubelet:
+  enabled: {kubelet}
+kubeControllerManager:
+  enabled: {kube_controller_manager}
+coreDns:
+  enabled: {core_dns}
+kubeEtcd:
+  enabled: {kube_etcd}
+kubeScheduler:
+  enabled: {kube_scheduler}
+kubeProxy:
+  enabled: {kube_proxy}
+kubeStateMetrics:
+  enabled: {kube_state_metrics}
+nodeExporter:
+  enabled: {node_exporter}
+prometheusOperator:
+  enabled: {prometheus_operator}
+prometheus:
+  enabled: {prometheus}
+"#,
     );
-    insert_flag!("kubelet.enabled", config.kubelet);
-    insert_flag!(
-        "kubeControllerManager.enabled",
-        config.kube_controller_manager
-    );
-    insert_flag!("kubeProxy.enabled", config.kube_proxy);
-    insert_flag!("kubeEtcd.enabled", config.kube_etcd);
-    insert_flag!("kubeStateMetrics.enabled", config.kube_state_metrics);
-    insert_flag!("prometheusOperator.enabled", config.prometheus_operator);
-    
-    if let (Some(url), Some(name)) = (&config.webhook_url, &config.webhook_service_name) {
-        insert_flag!("alertmanager.config.receivers.webhook_configs.url", url.as_str());
-        insert_flag!("alertmanager.config.receivers.name", name.as_str());
-    }
 
     HelmChartScore {
         namespace: Some(NonBlankString::from_str(&config.namespace).unwrap()),
         release_name: NonBlankString::from_str("kube-prometheus").unwrap(),
         chart_name: NonBlankString::from_str(
-            "oci://ghcr.io/prometheus-community/charts/kube-prometheus-stack", //use kube prometheus chart which includes grafana, prometheus, alert
+            "oci://ghcr.io/prometheus-community/charts/kube-prometheus-stack",
-                                                                               //manager, etc
         )
         .unwrap(),
         chart_version: None,
-        values_overrides: Some(values_overrides),
+        values_overrides: None,
         values_yaml: Some(values.to_string()),
         create_namespace: true,
         install_only: true,

harmony/src/modules/monitoring/mod.rs

@@ -1,3 +1,4 @@
 mod kube_prometheus;
 pub mod monitoring_alerting;
+mod discord_alert_manager;
 mod config;

harmony/src/modules/monitoring/monitoring_alerting.rs

@@ -1,22 +1,31 @@
+use async_trait::async_trait;
 use email_address::EmailAddress;
 
+use log::info;
 use serde::Serialize;
 use url::Url;
 
 use crate::{
-    interpret::Interpret,
+    data::{Id, Version},
+    interpret::{Interpret, InterpretError, InterpretName, InterpretStatus, Outcome},
+    inventory::Inventory,
     score::Score,
     topology::{HelmCommand, Topology},
 };
 
-use super::{config::KubePrometheusConfig, kube_prometheus::kube_prometheus_helm_chart_score};
+use super::{
+    config::KubePrometheusConfig, discord_alert_manager::discord_alert_manager_score,
+    kube_prometheus::kube_prometheus_helm_chart_score,
+};
 
 #[derive(Debug, Clone, Serialize)]
 pub enum AlertChannel {
     WebHookUrl {
         url: Url,
-        service_name: String,
+        webhook_service_type: WebhookServiceType,
     },
+    //TODO test and implement in helm chart
+    //currently does not work
     Smpt {
         email_address: EmailAddress,
         service_name: String,
@@ -24,15 +33,15 @@ pub enum AlertChannel {
 }
 
 #[derive(Debug, Clone, Serialize)]
-pub enum Stack {
+pub enum WebhookServiceType {
-    KubePrometheusStack,
+    Discord,
-    OtherStack,
+    //TODO test slack notifications
+    Slack,
 }
 
 #[derive(Debug, Clone, Serialize)]
 pub struct MonitoringAlertingStackScore {
     pub alert_channel: Option<AlertChannel>,
-    pub monitoring_stack: Stack,
     pub namespace: Option<String>,
 }
 
@@ -40,54 +49,131 @@ impl MonitoringAlertingStackScore {
     pub fn new() -> Self {
         Self {
             alert_channel: None,
-            monitoring_stack: Stack::KubePrometheusStack,
             namespace: None,
         }
     }
-    fn match_alert_channel(&self, config: &mut KubePrometheusConfig) {
+    fn set_alert_channel(&self, config: &mut KubePrometheusConfig) {
         if let Some(alert_channel) = &self.alert_channel {
             match alert_channel {
-                //opt1
+                AlertChannel::WebHookUrl {
-                AlertChannel::WebHookUrl { url, service_name } => {
+                    url,
+                    webhook_service_type,
+                } => {
                     config.webhook_url = Some(url.clone());
-                    config.webhook_service_name = Some(service_name.clone());
+                    config.webhook_service_type = Some(webhook_service_type.clone());
                 }
-                //opt2
                 AlertChannel::Smpt {
+                    //TODO setup smpt alerts 
                     email_address,
                     service_name,
                 } => {
-                    config.smpt_email_address = Some(email_address.clone());
+                    todo!()
-                    config.smtp_service_name = Some(service_name.clone());
                 }
             }
         }
     }
-    fn build_kube_prometheus_helm_chart_config(&self) -> KubePrometheusConfig {
-        let mut config = KubePrometheusConfig::new();
-        self.match_alert_channel(&mut config);
-        if let Some(ns) = &self.namespace {
-            config.namespace = ns.clone();
-        }
-        config
-    }
 }
 
 impl<T: Topology + HelmCommand> Score<T> for MonitoringAlertingStackScore {
     fn create_interpret(&self) -> Box<dyn Interpret<T>> {
-        match &self.monitoring_stack {
+        Box::new(MonitoringAlertingStackInterpret {
-            Stack::KubePrometheusStack => {
+            score: self.clone(),
-                let config = self.build_kube_prometheus_helm_chart_config();
+        })
-                let helm_chart = kube_prometheus_helm_chart_score(&config);
-                helm_chart.create_interpret()
-            }
-            Stack::OtherStack => {
-                todo!()
-            }
-        }
     }
-
     fn name(&self) -> String {
         format!("MonitoringAlertingStackScore")
     }
 }
+
+#[derive(Debug, Clone, Serialize)]
+struct MonitoringAlertingStackInterpret {
+    score: MonitoringAlertingStackScore,
+}
+
+impl MonitoringAlertingStackInterpret {
+    async fn build_kube_prometheus_helm_chart_config(&self) -> KubePrometheusConfig {
+        let mut config = KubePrometheusConfig::new();
+        self.score.set_alert_channel(&mut config);
+        if let Some(ns) = &self.score.namespace {
+            config.namespace = ns.clone();
+        }
+        config
+    }
+
+    async fn deploy_kube_prometheus_helm_chart_score<T: Topology + HelmCommand>(
+        &self,
+        inventory: &Inventory,
+        topology: &T,
+        config: &KubePrometheusConfig,
+    ) -> Result<Outcome, InterpretError> {
+        let helm_chart = kube_prometheus_helm_chart_score(config);
+        helm_chart
+            .create_interpret()
+            .execute(inventory, topology)
+            .await
+    }
+
+    async fn deploy_alert_channel_service<T: Topology + HelmCommand>(
+        &self,
+        inventory: &Inventory,
+        topology: &T,
+        config: &KubePrometheusConfig,
+    ) -> Result<Outcome, InterpretError> {
+        match &self.score.alert_channel {
+            Some(AlertChannel::WebHookUrl {
+                webhook_service_type,
+                ..
+            }) => match webhook_service_type {
+                WebhookServiceType::Discord => {
+                    discord_alert_manager_score(config)
+                        .create_interpret()
+                        .execute(inventory, topology)
+                        .await
+                }
+                WebhookServiceType::Slack => Ok(Outcome::success(
+                    "No extra configs for slack alerting".to_string(),
+                )),
+            },
+            Some(AlertChannel::Smpt { .. }) => {
+                todo!()
+            }
+            None => Ok(Outcome::success("No alert channel configured".to_string())),
+        }
+    }
+}
+
+#[async_trait]
+impl<T: Topology + HelmCommand> Interpret<T> for MonitoringAlertingStackInterpret {
+    async fn execute(
+        &self,
+        inventory: &Inventory,
+        topology: &T,
+    ) -> Result<Outcome, InterpretError> {
+        let config = self.build_kube_prometheus_helm_chart_config().await;
+        info!("Built kube prometheus config");
+        info!("Installing kube prometheus chart");
+        self.deploy_kube_prometheus_helm_chart_score(inventory, topology, &config)
+            .await?;
+        info!("Installing alert channel service");
+        self.deploy_alert_channel_service(inventory, topology, &config).await?;
+        Ok(Outcome::success(format!(
+            "succesfully deployed monitoring and alerting stack"
+        )))
+    }
+
+    fn get_name(&self) -> InterpretName {
+        todo!()
+    }
+
+    fn get_version(&self) -> Version {
+        todo!()
+    }
+
+    fn get_status(&self) -> InterpretStatus {
+        todo!()
+    }
+
+    fn get_children(&self) -> Vec<Id> {
+        todo!()
+    }
+}