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Rancher

Ship logs from Rancher to logstash

Start analysing Rancher logs by following our easy configuration guide to ship logs to Logstash for centralised Rancher logging and analysis

Follow this step by step guide to get 'logs' from your system to Logit.io:

Step 1 - Deprecation

Since Rancher have deprecated their internal Logging solution we will be using filebeat instead

Deprecation notice

Step 2 - Download Manifest

Download the filebeat Kubernetes deploy manifest using the link below:

Click to download filebeat-kubernetes.yaml

Step 3 - Insert Stack Details

Open the manifest and at line 58 you should see the environment variables controlling the logging destination. You need to update them to point to your stack.

No input available! Your stack is missing the required input for this data source Talk to support to add the input

Step 4 - Deploy

Select the cluster you wish to collect logs from.

Go to Resources -> Workloads. Click 'Import YAML' from the top right menu

Set the Import Mode to Cluster and paste in the YAML file you edited in step 3

Paste YAML file into editor

Click Import

Step 5 - Confirm

You should see a filebeat workload deploying in the kube-system namespace in the System project. Once this has completed logs should start arriving in your stack.

If you do not see any log messages, you should start by checking the filebeat logs for any error messages

Step 6 - Check Logit.io for your logs

Now you should view your data:

View my data

If you don't see logs take a look at How to diagnose no data in Stack below for how to diagnose common issues.

Step 7 - how to diagnose no data in Stack

If you don't see data appearing in your Stack after following the steps, visit the Help Centre guide for steps to diagnose no data appearing in your Stack or Chat to support now.

Step 8 - Rancher Logs Overview

Rancher is a popular open-source software used by teams that wish to manage multiple Kubernetes clusters across complex infrastructures. Rancher adds significant value to Kubernetes by providing a solution to the security challenges encountered when running containerized workloads at scale.

You may have recently seen that the company that created Rancher, Rancher Labs were acquired by SUSE & as a result of this acquisition have become one of the world’s biggest companies powering digital transformation.

If you don’t have centralized logging for managing your Rancher-server logs it can be difficult to tail logs reliability. As your container base grows in size they’ll often become a lot more complicated to troubleshoot efficiently. Without the addition of a monitoring solution, identifying errors proactively & setting alerts on predefined conditions can be hard to implement as your business grows in size.

Our built in HA (high availability) Rancher log file analyser can be used alongside our container monitoring solution to monitor your server, debug & metric logs. Allow your teams to easily alert & identify issues within your Rancher environment for further processing. With Logit.io you’ll also enable your DevOps team to easily include this data as part of your reporting with our Kibana based visualisations.

Learn more about container monitoring

If you need any assistance with analysing your Rancher logs we're here to help. Feel free to reach out by contacting the Logit.io support team via live chat & we'll be happy to help you start analysing your data.

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