Kubernetes - Revision history

Iwiseman: /* Monitoring Deployment */

2024-11-12T06:45:14Z

Monitoring Deployment

@@ Line 449: / Line 449: @@
 >Events:  <none>
 iwiseman@OLIVER:
 </syntaxhighlight>
 ==Self Healing and Scaling==
 We can delete pods and nodes and Kubernetes will fix the problem. This is known as self healing. We can manually deploy with more replicas to scale up and down. There is Horizontal Pod Autoscaler and Cluster Autoscaler as well.

2021-08-23T05:00:17Z

Volumes

@@ Line 231: / Line 231: @@
    imagePullSecrets:
    - name: regcred
 </syntaxhighlight>

2021-08-20T03:51:18Z

Volumes

← Older revision		Revision as of 03:51, 20 August 2021
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	</syntaxhighlight>		</syntaxhighlight>

	==Volumes==		===Volumes===
	To use volumes you need to define them in the pod definition. The example below shows how to share a local folder. You probably want to softcode the local hostPath :)		To use volumes you need to define them in the pod definition. The example below shows how to share a local folder. You probably want to softcode the local hostPath :)
	<syntaxhighlight lang="yaml">		<syntaxhighlight lang="yaml">

2021-08-20T03:50:51Z

Volumes

← Older revision		Revision as of 03:50, 20 August 2021
Line 208:		Line 208:

	==Volumes==		==Volumes==
	To use volumes you need to define them in the pod definition. The example below shows how to share a local folder		To use volumes you need to define them in the pod definition. The example below shows how to share a local folder. You probably want to softcode the local hostPath :)
	<syntaxhighlight lang="yaml">		<syntaxhighlight lang="yaml">
	apiVersion: v1		apiVersion: v1

2021-08-20T03:49:55Z

Volumes

← Older revision		Revision as of 03:49, 20 August 2021
Line 208:		Line 208:

	==Volumes==		==Volumes==
	To use volumes you need to define them in the ~~deploy~~. The example below shows how to share a local folder		To use volumes you need to define them in the pod definition. The example below shows how to share a local folder
	<syntaxhighlight lang="yaml">		<syntaxhighlight lang="yaml">
	apiVersion: v1		apiVersion: v1

2021-08-20T03:49:12Z

Post to the API Server

@@ Line 203: / Line 203: @@
        ports:
         - containerPort: 443
    imagePullSecrets:
    - name: regcred
@@ Line 219: / Line 245: @@
 kubectl describe pods hello-pod
 </syntaxhighlight>
 ==Example Cleanup==
 To clean up the deployment we can either

2021-08-20T03:48:28Z

Full Example

← Older revision		Revision as of 03:48, 20 August 2021
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	- containerPort: 8080		- containerPort: 8080
	</syntaxhighlight>		</syntaxhighlight>
			==

	==Doing Update==		==Doing Update==
	To perform an update we use the deploy command		To perform an update we use the deploy command

2021-08-19T05:53:44Z

Define in a manifest

@@ Line 187: / Line 187: @@
 <br>
 [[File:K8 Manifest Types1.png|300px]]
-The default image tag by default will use the docker hub. You can add a prefix with the dns name if it is stored somewhere else.
+The default image tag by default will use the docker hub. You can add a prefix with the dns name if it is stored somewhere else.<br>
 ===Post to the API Server===
 You can post the manifest to the cluster with

2021-08-19T05:42:08Z

Docker Password

← Older revision		Revision as of 05:42, 19 August 2021
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	> }		> }
	>}		>}
			</syntaxhighlight>
			If you already ran docker login, you can copy that credential into Kubernetes:
			<syntaxhighlight lang="bash">
			kubectl create secret generic regcred \
			--from-file=.dockerconfigjson=<path/to/.docker/config.json> \
			--type=kubernetes.io/dockerconfigjson
	</syntaxhighlight>		</syntaxhighlight>

2021-08-19T05:40:37Z

Docker Password

← Older revision		Revision as of 05:40, 19 August 2021
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	docker login		docker login
	</syntaxhighlight>		</syntaxhighlight>
	When prompted, enter your Docker username and password.		When prompted, enter your Docker username and password. The login process creates or updates a config.json file that holds an authorization token. View the config.json file:
	~~<br><br>~~
	The login process creates or updates a config.json file that holds an authorization token.
	~~<br><br>~~
	View the config.json file:
	<syntaxhighlight lang="bash">		<syntaxhighlight lang="bash">
	cat ~/.docker/config.json		cat ~/.docker/config.json