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Hi everyone,
I have deployed a Kubernetes cluster based on kubeadm and for the purpose of performing HorizontalPodAutoscaling based on the Custom Metrics, I have deployed prometheus-adpater through Helm.
Now, i want to edit the configuration for prometheus-adpater and because i am new to Helm, i don't know how to do this. So could you guid me how to edit the deployed helm charts?
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I guess helm upgrade is that are you looking for. This command upgrades a release to a specified version of a chart and/or updates chart values. So if you have deployed prometheus-adapter, you can use command helm fetch Download a chart from a repository and (optionally) unpack it in local directory
This file can contain default values. Chart users may supply a YAML file that contains values. This can be provided on the command line with helm install. When a user supplies custom values, these values will override the values in the chart’s values.yaml file.
Charts are created as files laid out in a particular directory tree, then they can be packaged into versioned archives to be deployed. This document explains the chart format, and provides basic guidance for building charts with Helm. A chart is organized as a collection of files inside of a directory.
Helm Charts help you define, install, and upgrade complex Kubernetes applications. In this article, you’ll learn how Helm Charts fit into a Kubernetes workflow and review examples for how they can be used to benefit your organization. DevOps engineers frequently use package managers like yum, Homebrew, and Chocolatey to install software.
I guess helm upgrade is that are you looking for.
This command upgrades a release to a specified version of a chart and/or updates chart values.
So if you have deployed prometheus-adapter, you can use command helm fetch
Download a chart from a repository and (optionally) unpack it in local directory
You will have all yamls, you can edit them and upgrade your current deployed chart via helm upgrade
I found an example, which should explain it to you more precisely.
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You're trying to customize an installed chart. Please use this guide Customizing the Chart Before Installing.
The key parts:
There are two ways to pass configuration data during install:
--values(or-f): Specify a YAML file with overrides. This can be specified multiple times and the rightmost file will take precedence--set name=value: Specify overrides on the command line
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