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ConfigMap
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Custom NGINX template
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Custom errors
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Default backend
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Exposing TCP and UDP services
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Regular expressions in paths
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External Articles
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Miscellaneous
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Prometheus and Grafana installation
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Prometheus and Grafana installation
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Before You Begin
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Deploy and configure Prometheus Server
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Prometheus Dashboard
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Grafana
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Multiple Ingress controllers
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TLS/HTTPS
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Third party addons
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ModSecurity Web Application Firewall
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Examples
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Introduction
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Prerequisites
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Sticky Sessions
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Auth
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Auth
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Basic Authentication
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Client Certificate Authentication
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External Basic Authentication
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External OAUTH Authentication
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< a href = "https://github.com/kubernetes/ingress-nginx/edit/master/docs/user-guide/monitoring.md" title = "Edit this page" class = "md-icon md-content__icon" >  < / a >
< h1 id = "prometheus-and-grafana-installation" > Prometheus and Grafana installation< a class = "headerlink" href = "#prometheus-and-grafana-installation" title = "Permanent link" > ¶ < / a > < / h1 >
< p > This tutorial will show you how to install < a href = "https://prometheus.io/" > Prometheus< / a > and < a href = "https://grafana.com/" > Grafana< / a > for scraping the metrics of the NGINX Ingress controller.< / p >
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< div class = "admonition important" >
< p class = "admonition-title" > Important< / p >
< p > This example uses < code class = "codehilite" > emptyDir< / code > volumes for Prometheus and Grafana. This means once the pod gets terminated you will lose all the data.< / p >
< / div >
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< h2 id = "before-you-begin" > Before You Begin< a class = "headerlink" href = "#before-you-begin" title = "Permanent link" > ¶ < / a > < / h2 >
< p > The NGINX Ingress controller should already be deployed according to the deployment instructions < a href = "../../deploy/" > here< / a > .< / p >
< p > Note that the yaml files used in this tutorial are stored in the < a href = "https://github.com/kubernetes/ingress-nginx/tree/master/deploy/monitoring" > deploy/monitoring< / a > folder of the GitHub repository < a href = "https://github.com/kubernetes/ingress-nginx" > kubernetes/ingress-nginx< / a > .< / p >
< h2 id = "deploy-and-configure-prometheus-server" > Deploy and configure Prometheus Server< a class = "headerlink" href = "#deploy-and-configure-prometheus-server" title = "Permanent link" > ¶ < / a > < / h2 >
< p > The Prometheus server must be configured so that it can discover endpoints of services. If a Prometheus server is already running in the cluster and if it is configured in a way that it can find the ingress controller pods, no extra configuration is needed.< / p >
< p > If there is no existing Prometheus server running, the rest of this tutorial will guide you through the steps needed to deploy a properly configured Prometheus server.< / p >
< p > Running the following command deploys the prometheus configuration in Kubernetes:< / p >
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< div class = "codehilite" > < pre > < span > < / span > < span class = "go" > kubectl create -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/master/deploy/monitoring/configuration.yaml< / span >
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< span class = "go" > configmap " prometheus-configuration" created< / span >
< / pre > < / div >
< p > Running the following command deploys prometheus in Kubernetes:< / p >
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< div class = "codehilite" > < pre > < span > < / span > < span class = "go" > kubectl create -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/master/deploy/monitoring/prometheus.yaml< / span >
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< span class = "go" > clusterrole " prometheus-server" created< / span >
< span class = "go" > serviceaccount " prometheus-server" created< / span >
< span class = "go" > clusterrolebinding " prometheus-server" created< / span >
< span class = "go" > deployment " prometheus-server" created< / span >
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< span class = "go" > service " prometheus-server" created< / span >
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< / pre > < / div >
< h3 id = "prometheus-dashboard" > Prometheus Dashboard< a class = "headerlink" href = "#prometheus-dashboard" title = "Permanent link" > ¶ < / a > < / h3 >
< p > Open Prometheus dashboard in a web browser:< / p >
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< div class = "codehilite" > < pre > < span > < / span > < span class = "go" > kubectl get svc -n ingress-nginx< / span >
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< span class = "go" > NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE< / span >
< span class = "go" > default-http-backend ClusterIP 10.103.59.201 < none> 80/TCP 3d< / span >
< span class = "go" > ingress-nginx NodePort 10.97.44.72 < none> 80:30100/TCP,443:30154/TCP,10254:32049/TCP 5h< / span >
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< span class = "go" > prometheus-server NodePort 10.98.233.86 < none> 9090:32630/TCP 1m< / span >
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< / pre > < / div >
< p > Obtain the IP address of the nodes in the running cluster:< / p >
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< div class = "codehilite" > < pre > < span > < / span > < span class = "go" > kubectl get nodes -o wide< / span >
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< / pre > < / div >
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< p > In some cases where the node only have internal IP addresses we need to execute:< / p >
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< div class = "codehilite" > < pre > < span > < / span > < span class = "go" > kubectl get nodes --selector=kubernetes.io/role!=master -o jsonpath={.items[*].status.addresses[?\(@.type==\" InternalIP\" \)].address}< / span >
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< span class = "go" > 10.192.0.2 10.192.0.3 10.192.0.4< / span >
< / pre > < / div >
< p > Open your browser and visit the following URL: < em > http://{node IP address}:{prometheus-svc-nodeport}< / em > to load the Prometheus Dashboard.< / p >
< p > According to the above example, this URL will be http://10.192.0.3:32630< / p >
< p > < img alt = "Dashboard" src = "../../images/prometheus-dashboard.png" / > < / p >
< h3 id = "grafana" > Grafana< a class = "headerlink" href = "#grafana" title = "Permanent link" > ¶ < / a > < / h3 >
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< div class = "codehilite" > < pre > < span > < / span > < span class = "go" > kubectl create -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/master/deploy/monitoring/grafana.yaml< / span >
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< / pre > < / div >
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< div class = "codehilite" > < pre > < span > < / span > < span class = "go" > kubectl get svc -n ingress-nginx< / span >
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< span class = "go" > NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE< / span >
< span class = "go" > default-http-backend ClusterIP 10.103.59.201 < none> 80/TCP 3d< / span >
< span class = "go" > ingress-nginx NodePort 10.97.44.72 < none> 80:30100/TCP,443:30154/TCP,10254:32049/TCP 5h< / span >
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< span class = "go" > prometheus-server NodePort 10.98.233.86 < none> 9090:32630/TCP 10m< / span >
< span class = "go" > grafana NodePort 10.98.233.87 < none> 3000:31086/TCP 10m< / span >
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< / pre > < / div >
< p > Open your browser and visit the following URL: < em > http://{node IP address}:{grafana-svc-nodeport}< / em > to load the Grafana Dashboard.
According to the above example, this URL will be http://10.192.0.3:31086< / p >
< p > The username and password is < code class = "codehilite" > admin< / code > < / p >
< p > After the login you can import the Grafana dashboard from < em > https://github.com/kubernetes/ingress-nginx/tree/master/deploy/grafana/dashboards< / em > < / p >
< p > < img alt = "Dashboard" src = "../../images/grafana.png" / > < / p >
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