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Kubernetes with Fluentd (Without Helm) Kubernetes with Fluentd (Without Helm)

Last Updated: Aug. 02, 2023

The following manual will help you integrate Coralogix logging into your Kubernetes cluster using Fluentd.


Before you begin, make sure you have:


Create a namespace for this setup:

kubectl create namespace fluentd-coralogix

Create a Kubernetes secret:

kubectl create secret generic fluentd-coralogix-account-secrets \
    -n fluentd-coralogix \
Coralogix DomainCoralogix API Endpoint

The result should be this:

secret "fluentd-coralogix-account-secrets" created

Then you will need to apply our fluentd-coralogix-logger to your Kubernetes cluster:

kubectl create -f &&
kubectl create -f &&
kubectl create -f &&
kubectl create -f

The result should be this:

serviceaccount "fluentd-coralogix-service-account" created
clusterrole "fluentd-coralogix-service-account-role" created
clusterrolebinding "fluentd-coralogix-service-account" created
configmap "fluentd-coralogix-configs" created
daemonset "fluentd-coralogix-daemonset" created
service "fluentd-coralogix-service" created

Now, fluentd-coralogix-logger is collecting logs from your Kubernetes cluster.


Once installed, the deployment will not automatically update. In order to update it, you need to delete the deployment’s pods and wait for it to be recreated. After recreation, it should use the latest image.

Delete all fluentd-coralogix-logger pods:

kubectl -n fluentd-coralogix delete $(kubectl -n fluentd-coralogix get pod -o name | grep "fluentd-coralogix-daemonset")

Note that if you would like to send all of the log content with Kubernetes metadata like labels, tags, pod name, etc. you should remove log_key_name log from Fluentd.conf.


If you want to remove fluentd-coralogix-logger from your cluster, execute this:

kubectl -n fluentd-coralogix delete secret fluentd-coralogix-account-secrets &&
kubectl -n fluentd-coralogix delete svc,ds,cm,clusterrolebinding,clusterrole,sa -l k8s-app=fluentd-coralogix-logger

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