#!/usr/bin/env nu
# Installs Grafana and Prometheus with Kubernetes dashboards
#
# Installs kube-prometheus-stack which includes Grafana with Prometheus
# as a data source, Prometheus configured to scrape Kubernetes metrics,
# and common Kubernetes dashboards.
#
# Examples:
# > main apply grafana-stack traefik 127.0.0.1.nip.io
def "main apply grafana-stack" [
ingress_class: string, # The Ingress class to use
ingress_host: string # The base hostname for Ingress
] {
print $"\nInstalling (ansi yellow_bold)Grafana Stack(ansi reset)...\n"
let values = {
grafana: {
ingress: {
enabled: true
ingressClassName: $ingress_class
hosts: [$"grafana.($ingress_host)"]
}
defaultDashboardsEnabled: true
defaultDashboardsTimezone: utc
sidecar: {
dashboards: {
enabled: true
searchNamespace: ALL
}
datasources: {
enabled: true
}
}
dashboardProviders: {
"dashboardproviders.yaml": {
apiVersion: 1
providers: [{
name: grafana-dashboards-kubernetes
orgId: 1
folder: Kubernetes
type: file
disableDeletion: true
editable: false
options: {
path: /var/lib/grafana/dashboards/grafana-dashboards-kubernetes
}
}]
}
}
dashboards: {
grafana-dashboards-kubernetes: {
k8s-views-global: {
url: "https://raw.githubusercontent.com/dotdc/grafana-dashboards-kubernetes/master/dashboards/k8s-views-global.json"
datasource: Prometheus
}
k8s-views-namespaces: {
url: "https://raw.githubusercontent.com/dotdc/grafana-dashboards-kubernetes/master/dashboards/k8s-views-namespaces.json"
datasource: Prometheus
}
k8s-views-nodes: {
url: "https://raw.githubusercontent.com/dotdc/grafana-dashboards-kubernetes/master/dashboards/k8s-views-nodes.json"
datasource: Prometheus
}
k8s-views-pods: {
url: "https://raw.githubusercontent.com/dotdc/grafana-dashboards-kubernetes/master/dashboards/k8s-views-pods.json"
datasource: Prometheus
}
k8s-system-api-server: {
url: "https://raw.githubusercontent.com/dotdc/grafana-dashboards-kubernetes/master/dashboards/k8s-system-api-server.json"
datasource: Prometheus
}
k8s-system-coredns: {
url: "https://raw.githubusercontent.com/dotdc/grafana-dashboards-kubernetes/master/dashboards/k8s-system-coredns.json"
datasource: Prometheus
}
}
}
}
prometheus: {
ingress: {
enabled: true
ingressClassName: $ingress_class
hosts: [$"prometheus.($ingress_host)"]
}
prometheusSpec: {
serviceMonitorSelectorNilUsesHelmValues: false
podMonitorSelectorNilUsesHelmValues: false
}
}
}
$values | to yaml | save values-grafana-stack.yaml --force
(
helm upgrade --install
kube-prometheus-stack kube-prometheus-stack
--repo https://prometheus-community.github.io/helm-charts
--values values-grafana-stack.yaml
--namespace monitoring --create-namespace
--wait
)
rm values-grafana-stack.yaml
print $"\nGrafana is available at (ansi yellow_bold)http://grafana.($ingress_host)(ansi reset)"
print $"Prometheus is available at (ansi yellow_bold)http://prometheus.($ingress_host)(ansi reset)"
print $"\nDefault Grafana credentials: admin / prom-operator"
print $"\nIncluded Kubernetes dashboards:"
print $" - K8s Views Global"
print $" - K8s Views Namespaces"
print $" - K8s Views Nodes"
print $" - K8s Views Pods"
print $" - K8s System API Server"
print $" - K8s System CoreDNS"
}
