Kubernetes management - Revision history

Sst-yde: /* Cluster - Scaling */

2025-10-27T09:04:17Z

Cluster - Scaling

← Older revision		Revision as of 11:04, 27 October 2025
Line 328:		Line 328:
	cluster=''		cluster=''

	# Number of worker nodes, for example '5':		# Number of worker nodes, for example '6':
	nodes=''		nodes=''

Sst-yde: /* Cluster - Scaling */

2025-10-27T09:04:03Z

Cluster - Scaling

← Older revision		Revision as of 11:04, 27 October 2025
Line 328:		Line 328:
	cluster=''		cluster=''

	# Number of worker nodes:		# Number of worker nodes, for example '5':
	nodes=''		nodes=''

Sst-yde: /* Cluster - Creation */

2025-10-27T08:55:45Z

Cluster - Creation

← Older revision		Revision as of 10:55, 27 October 2025
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	--master-count 1 \		--master-count 1 \
	--node-count 2 \		--node-count 2 \
	"$~~clustername~~"		"$cluster_name"
	</syntaxhighlight>		</syntaxhighlight>

Sst-yde: /* Cluster - Creation */

2025-10-27T08:55:37Z

Cluster - Creation

← Older revision		Revision as of 10:55, 27 October 2025
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	# Name of the cluster to create:		# Name of the cluster to create:
	~~cluster~~=''		cluster_name=''

	openstack coe cluster create ~~"$cluster"~~ \		openstack coe cluster create \
	--cluster-template "$cluster_template" \		--cluster-template "$cluster_template" \
	--master-count 1 \		--master-count 1 \
	--node-count 2		--node-count 2 \
			"$clustername"
	</syntaxhighlight>		</syntaxhighlight>

Sst-yde at 08:52, 27 October 2025

2025-10-27T08:52:27Z

@@ Line 3: / Line 3: @@
 '''Note:''' This page is a work-in-progress, so if you face any challenges, please contact us with the specific issue.
 = Authentication with application credentials =
@@ Line 96: / Line 49: @@
 [[File:Kubernetes management 003.png|1000px]]
 </tabber>
@@ Line 125: / Line 126: @@
 <syntaxhighlight lang="bash">
 openstack coe cluster template list --format json \
-   jq --raw-output 'sort_by(.name) | .[] | "\(.uuid) \(.name)"'
+   | jq --raw-output 'sort_by(.name) | .[] | "\(.uuid) \(.name)"'
 </syntaxhighlight>

Sst-yde at 08:51, 27 October 2025

2025-10-27T08:51:13Z

@@ Line 50: / Line 50: @@
 </syntaxhighlight>
 </tabber>
 = Authentication with application credentials =
@@ Line 114: / Line 97: @@
 [[File:Kubernetes management 003.png|1000px]]
 </tabber>
 = Cluster template =

Sst-yde at 08:50, 27 October 2025

2025-10-27T08:50:39Z

@@ Line 115: / Line 115: @@
 </tabber>
-= Creation =
+= Cluster template =
-== Creation - Cluster template ==
+== Cluster template - List ==
 Use <code>openstack coe cluster template create</code> to create a cluster template:
 <tabber>
@@ Line 182: / Line 194: @@
 For a list of all labels see [https://docs.openstack.org/magnum/latest/user/#labels Magnum User Guide - Labels].
-== Creation - Cluster ==
+== Cluster template - Deletion ==
 Use <code>openstack coe cluster create</code> to create a cluster:
 <tabber>
@@ Line 249: / Line 277: @@
 </tabber>
-=== Creation - Cluster - Access ===
+== Cluster - Deletion ==
 To access a created cluster with <code>kubectl</code>, <code>helm</code> etc., use <code>openstack coe cluster config</code> to retrieve the cluster's configuration (essentially the "kubeconfig" file):
 <syntaxhighlight lang="bash">
@@ Line 283: / Line 320: @@
 </syntaxhighlight>
-= Scaling =
+== Cluster - Scaling ==
 Use <code>openstack coe cluster resize</code> to change the number of worker nodes in a cluster:
 <syntaxhighlight lang="bash">
@@ Line 296: / Line 332: @@
 </syntaxhighlight>
-= Upgrade =
+== Cluster - Upgrade ==
 To upgrade a cluster (upgrading the version of Kubernetes), a new [[#Creation - Cluster template | cluster template needs to be created]] first. This cluster template must use a newer Kubernetes version than the one used in your current cluster template.
@@ Line 345: / Line 381: @@
 </tabber>
-= Downgrade =
+== Cluster - Downgrade ==
 A downgrade of a cluster works the same as an [[#Upgrade | Upgrade]], but you will have to use a cluster template that uses an image with an older Kubernetes version.
 = Troubleshooting =

Sst-nho: /* Creation - Cluster template */

2025-07-11T13:26:44Z

Creation - Cluster template

← Older revision		Revision as of 15:26, 11 July 2025
Line 125:		Line 125:

	# Name of the cluster template to create:		# Name of the cluster template to create:
	cluster_template=''		cluster_template='' # For example: cluster_template='kubernetes-1.30.1'

	openstack coe cluster template create "$cluster_template" \		openstack coe cluster template create "$cluster_template" \

Sst-yde: /* Upgrade */

2025-01-22T13:59:22Z

Upgrade

← Older revision		Revision as of 15:59, 22 January 2025
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	openstack coe cluster upgrade "$cluster" "$cluster_template"		openstack coe cluster upgrade "$cluster" "$cluster_template"
	</syntaxhighlight>		</syntaxhighlight>
	~~\|-\|~~ Example output =
			Example output:
	<syntaxhighlight lang="text">		<syntaxhighlight lang="text">
	Request to upgrade cluster sst-yde-test-1 has been accepted.		Request to upgrade cluster sst-yde-test-1 has been accepted.
Line 323:		Line 324:
	openstack coe cluster list		openstack coe cluster list
	</syntaxhighlight>		</syntaxhighlight>
	~~\|-\|~~ Example output =
			Example output:
	During the upgrade:		During the upgrade:
	<syntaxhighlight lang="text" highlight="4">		<syntaxhighlight lang="text" highlight="4">

Sst-yde: /* Creation - Cluster - Access */

2025-01-22T13:58:59Z

Creation - Cluster - Access

← Older revision		Revision as of 15:58, 22 January 2025
Line 272:		Line 272:

	You will now be able to access the cluster using <code>kubectl</code>:		You will now be able to access the cluster using <code>kubectl</code>:
	~~<tabber>~~
	~~\|-\| Command =~~
	<syntaxhighlight lang="bash">		<syntaxhighlight lang="bash">
	kubectl get node -o wide		kubectl get node -o wide
Line 284:		Line 282:
	sst-yde-test-1-fj6ladv5sne3-default-worker-b2c7j-5bh2w Ready <none> 44m v1.28.11 10.0.0.150 <none> Ubuntu 22.04.4 LTS 5.15.0-113-generic containerd://1.7.13		sst-yde-test-1-fj6ladv5sne3-default-worker-b2c7j-5bh2w Ready <none> 44m v1.28.11 10.0.0.150 <none> Ubuntu 22.04.4 LTS 5.15.0-113-generic containerd://1.7.13
	</syntaxhighlight>		</syntaxhighlight>
	~~</tabber>~~

	= Scaling =		= Scaling =