add karmada failover example #5

JadeFlute0127 · 2023-04-21T16:26:03Z

Signed-off-by: [JadeFlute0127] [1635468471@qq.com]

What this PR does / why we need it:
add karmada failover example

Which issue(s) this PR fixes:
Part of #1

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

NONE

JadeFlute0127 · 2023-04-21T16:26:45Z

Current effect demo website：
https://killercoda.com/zhangdiandian/scenario/karmada-Failover-example

jwcesign · 2023-04-23T01:54:42Z

karmada-Failover-example/finish.md

@@ -0,0 +1,3 @@
+**Summary**
+
+In this scenario, we learned how to achieve failover in karmada by simulating faults.


In this scenario, we learned how to achieve failover in Karmada by simulating faults using taints.

jwcesign · 2023-04-23T01:58:29Z

karmada-Failover-example/index.json

+          "verify": "step2/verify.sh"
+        },
+        {
+          "title": "Simulate taint",


Simulate cluster failure

jwcesign · 2023-04-23T01:59:34Z

karmada-Failover-example/intro.md

+
+Karmada aims to provide turnkey automation for multi-cluster application management in multi-cloud and hybrid cloud scenarios, with key features such as centralized multi-cloud management, high availability, failure recovery, and traffic scheduling.
+
+In this scenario, we will learn how to achieve failover in karmada by simulating faults.


same with before

jwcesign · 2023-04-23T02:01:23Z

karmada-Failover-example/step2/text.md

+
+create deployment named nginx
+
+   RUN `kubectl --kubeconfig /etc/karmada/karmada-apiserver.config apply -f ~/nginx/nginxDeployment.yaml`{{exec}}


Please add the cat command to display the details of the YAML file.

also cat the PropagationPolicy file.

jwcesign · 2023-04-23T02:03:26Z

karmada-Failover-example/step4/text.md

@@ -0,0 +1,7 @@
+### Check the status and quantity distribution of pods and deployments
+
+RUN `karmadactl --kubeconfig /etc/karmada/karmada-apiserver.config get deployment `{{exec}}


I think directly using karmadactl get pods xxxx --watch is a better idea, users could see the migration.

you're right

jwcesign

other lgtm

jwcesign · 2023-04-23T03:10:05Z

karmada-Failover-example/index.json

@@ -0,0 +1,37 @@
+{
+    "title": "karmada failover example",


jwcesign · 2023-04-23T03:10:56Z

karmada-Failover-example/intro.md

+
+Karmada aims to provide turnkey automation for multi-cluster application management in multi-cloud and hybrid cloud scenarios, with key features such as centralized multi-cloud management, high availability, failure recovery, and traffic scheduling.
+
+In this scenario, we will learn how to achieve failover in karmada by simulating faults using taints.


Karmada, please check other places and ensure that the first letter is capitalized.

I confirm that the first letter of the karmada string in all documents is already capitalized~

jwcesign · 2023-04-23T03:11:05Z

karmada-Failover-example/step3/text.md

@@ -0,0 +1,3 @@
+### Simulate taint
+
+RUN `karmadactl --kubeconfig /etc/karmada/karmada-apiserver.config taint cluster kind-member2 hello=:NoExecute`{{exec}}


failover-test=:NoExecute is a better name?

yeah , fixed it

jwcesign · 2023-04-23T06:28:08Z

karmada-Failover-example/step2/text.md

+
+create deployment named nginx
+
+   RUN `kubectl --kubeconfig /etc/karmada/karmada-apiserver.config apply -f ~/nginx/nginxDeployment.yaml`{{exec}}


also cat the PropagationPolicy file.

jwcesign · 2023-04-23T06:29:02Z

karmada-Failover-example/step4/text.md

@@ -0,0 +1,3 @@
+### Check the status and quantity distribution of pods
+
+RUN `karmadactl --kubeconfig /etc/karmada/karmada-apiserver.config get pods nginx --watch`{{exec}}


RUN karmadactl --kubeconfig /etc/karmada/karmada-apiserver.config get pods --watch{{exec}}

Signed-off-by: zhangdiandian <1635468471@qq.com>

jwcesign · 2023-04-23T08:28:50Z

/lgtm
cc @RainbowMango for checking

jwcesign · 2023-04-23T11:38:34Z

/approve

karmada-bot · 2023-04-23T11:38:40Z

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: jwcesign

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karmada-bot requested review from jwcesign and RainbowMango April 21, 2023 16:26

karmada-bot added the size/L Denotes a PR that changes 100-499 lines, ignoring generated files. label Apr 21, 2023

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JadeFlute0127 force-pushed the main branch from eb81d95 to 9985aab Compare April 23, 2023 02:27

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JadeFlute0127 force-pushed the main branch from 9985aab to 1b2e875 Compare April 23, 2023 04:48

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add karmada failover example

6b05349

Signed-off-by: zhangdiandian <1635468471@qq.com>

JadeFlute0127 force-pushed the main branch from 1b2e875 to 6b05349 Compare April 23, 2023 08:06

karmada-bot assigned jwcesign Apr 23, 2023

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karmada-bot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label Apr 23, 2023

karmada-bot merged commit 96970e3 into karmada-io:main Apr 23, 2023

JadeFlute0127 mentioned this pull request Jul 8, 2023

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add karmada failover example #5

add karmada failover example #5

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karmada-bot commented Apr 23, 2023

		@@ -0,0 +1,3 @@
		Summary

		In this scenario, we learned how to achieve failover in karmada by simulating faults.


		Karmada aims to provide turnkey automation for multi-cluster application management in multi-cloud and hybrid cloud scenarios, with key features such as centralized multi-cloud management, high availability, failure recovery, and traffic scheduling.

		In this scenario, we will learn how to achieve failover in karmada by simulating faults.


		create deployment named nginx

		RUN `kubectl --kubeconfig /etc/karmada/karmada-apiserver.config apply -f ~/nginx/nginxDeployment.yaml`{{exec}}

		@@ -0,0 +1,7 @@
		### Check the status and quantity distribution of pods and deployments

		RUN `karmadactl --kubeconfig /etc/karmada/karmada-apiserver.config get deployment `{{exec}}

		@@ -0,0 +1,3 @@
		### Simulate taint

		RUN `karmadactl --kubeconfig /etc/karmada/karmada-apiserver.config taint cluster kind-member2 hello=:NoExecute`{{exec}}

add karmada failover example #5

add karmada failover example #5

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JadeFlute0127 commented Apr 21, 2023

JadeFlute0127 commented Apr 21, 2023

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jwcesign commented Apr 23, 2023

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karmada-bot commented Apr 23, 2023