Elasticsearch Solution for Kubernetes

In this mini-project, I created manifests for installing an Elasticsearch cluster, Prometheus with added alerts, an Elasticsearch Node Exporter, and Istio as a service mesh.

Prerequisites

• minikube
• trriger the command minikube tunnel

Installation

start.sh:

1. Install Elasticsearch Operator with RBAC Rules
2. Deploy Elasticsearch Cluster one node
3. Install Prometheus
4. Configure Prometheus Alerts with value-prometheus.yaml
5. Install elasticsearch exporter
6. Install istio
7. Enable Istio Sidecar for Elasticsearch

Namespace:

• elasticsearch
• monitoring
• istio-system

helm used:

./internet/helm/prometheus
./internet/helm/prometheus-elasticsearch-exporter

elastic-operator crd:

./internet/yaml/crd.yaml
./internet/yaml/operator.yaml

Alerts:

alerts are part of the values-prometheus.yaml

• Elastic_up
• Elastic_Cluster_Health_Red
• Elastic_Cluster_Health_Red
• Elasticsearch_JVM_Heap_Too_High
• Elasticsearch_health_up
• Elasticsearch_Too_Few_Nodes_Running
• Elasticsearch_Count_of_JVM_GC_Runs
• Elasticsearch_GC_Run_Time
• Elasticsearch_json_parse_failures
• Elasticsearch_breakers_tripped
• Elasticsearch_health_timed_out