EFK

Helm Install

• elasticsearch

# create values
helm show values stable/elastic-stack > efk-values.yaml

# Create ns
kubectl create ns elk-system

# install EFK
helm install efk stable/elastic-stack -f efk-values.yaml --namespace elk-system

# upgrade
helm upgrade efk stable/elastic-stack -f efk-values.yaml

Helm Install

# ADD repository
helm repo add elastic https://helm.elastic.co
helm repo update elastic

# Create ns
kubectl create ns efk

elasticsearch

# create es values
helm show values elastic/elasticsearch > es-values.yaml

# install
helm install elasticsearch elastic/elasticsearch -f es-values.yaml --namespace efk
1. Watch all cluster members come up.
  $ kubectl get pods --namespace=efk -l app=elasticsearch-master -w
2. Retrieve elastic user's password.
  $ kubectl get secrets --namespace=elk-system elasticsearch-master-credentials -ojsonpath='{.data.password}' | base64 -d
3. Test cluster health using Helm test.
  $ helm --namespace=elk-system test elasticsearch

# upgrade
helm upgrade elasticsearch elastic/elasticsearch -f es-values.yaml --namespace elk-system

kibana

# create kibana
helm show values elastic/kibana > kibana-values.yaml
helm install kibana elastic/kibana -f kibana-values.yaml --namespace efk
1. Watch all containers come up.
  $ kubectl get pods --namespace=efk -l release=kibana -w
2. Retrieve the elastic user's password.
  $ kubectl get secrets --namespace=elk-system elasticsearch-master-credentials -ojsonpath='{.data.password}' | base64 -d
3. Retrieve the kibana service account token.
  $ kubectl get secrets --namespace=elk-system kibana-kibana-es-token -ojsonpath='{.data.token}' | base64 -d

Logstash

# create kibana
helm show values elastic/logstash > logstash-values.yaml
helm install logstash elastic/logstash -f logstash-values.yaml --namespace efk

Fluentd

# Get File
helm fetch stable/fluentd-elasticsearch

# Install
helm install fluentd . --namespace efk

# upgrade
helm upgrade fluentd . --namespace efk
kubectl --namespace=efk get pods -l "app.kubernetes.io/name=fluentd-elasticsearch,app.kubernetes.io/instance=fluentd"

REF

• DAPR