Kubernetes Infrastructure Orchestration - Lifecycle Operations

1. Introduction

Just like any application, software, or operating system, you can activate or deactivate the Cluster Instances along with updating EVE-OS for better compatibility, increased security, and availability of the latest features with different devices resulting in enhanced user experience.
 
Let's now see how to perform different operations on the Cluster Instances.
 

2. Operations using ZedUI

2.1. Activate

After you log in to ZedControl, you can activate, deactivate, or delete the cluster instances from the list view screen. When the user activates the cluster instance, all the cluster nodes come back online.
 
The following are the steps to activate cluster instances.
  • Step 1 > Select one or more cluster instances.
  • Step 2 > Click on the More () icon on the top right corner.
  • Step 3 > From the dropdown, select 'Activate'.
 
 
  • Step 4 > After clicking 'Activate,' a toast message appears as shown below:
Cluster Instance: test-cluster has been activated.

 

2.2. Deactivate

When the user deactivates a cluster Instance, all the corresponding cluster nodes go to halted state.
The following are the steps to deactivate cluster instances.
  • Step 1 > Select one or more cluster instances.
  • Step 2 > Click on the More () icon on the top right corner.
  • Step 3 > From the dropdown, select 'Deactivate'.
 
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  • Step 4 > Click the 'Confirm' button on the modal dialogue, which appears as below:
You are about to Deactivate 1 Cluster Instance(s). Cluster Instance(s) will stop and cannot be accessed till restarted.
Cluster Instance(s) will show up once activated again.
 
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  • Step 5 > When you click on the 'Confirm' button, a toast message appears as shown below:
Cluster Instance: test-cluster has been deactivated.
 
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3. Operations using zCLI

 
Note: zCLI is an easy-to-use interface that allows the interaction of ZEDEDA offering through standard REST-based API.
 
To login to ZedControl through zCLI, see here.
 

3.1. Activate

You can activate the Cluster Instance using the following command:
zcli> cluster-instance activate <name>
 

3.2. Deactivate

You can deactivate the Cluster Instance using the following command:
zcli> cluster-instance deactivate <name>
 
The Cluster Instance operations are successfully executed!
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