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Feat support external traffic policy #1544

Merged
merged 1 commit into from
Feb 13, 2023
Merged

Feat support external traffic policy #1544

merged 1 commit into from
Feb 13, 2023

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AhmedGrati
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@AhmedGrati AhmedGrati commented Dec 1, 2022 •
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Description

This pull request solves #1543.
Since the externalTrafficPolicy is only specified when we have a Service of type LoadBalancer or NodePort, we will output a warning message when the user specifies another type of Service.
This feature is implemented for both: Kubernetes and Openshift.

@k8s-ci-robot k8s-ci-robot added the cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. label Dec 1, 2022
@k8s-ci-robot k8s-ci-robot added approved Indicates a PR has been approved by an approver from all required OWNERS files. size/L Denotes a PR that changes 100-499 lines, ignoring generated files. labels Dec 1, 2022
@AhmedGrati AhmedGrati added the do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. label Dec 1, 2022
@AhmedGrati AhmedGrati changed the title Feat support external traffic policy [WIP] Feat support external traffic policy Dec 1, 2022
@k8s-ci-robot k8s-ci-robot removed the do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. label Dec 1, 2022
@ZakariaNaaija
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Hi @AhmedGrati,
Thanks for handling the issue I have mentioned.

Since the externalTrafficPolicy is only specified when we have a Service of type LoadBalancer, we will output a warning message when the user specifies another type of Service.

externalTrafficPolicy can be used along with a service of type NodePort.

Local preserves the client source IP and avoids a second hop for LoadBalancer and NodePort type Services, but risks potentially imbalanced traffic spreading.

Source

@AhmedGrati
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Hi @AhmedGrati, Thanks for handling the issue I have mentioned.

Since the externalTrafficPolicy is only specified when we have a Service of type LoadBalancer, we will output a warning message when the user specifies another type of Service.

externalTrafficPolicy can be used along with a service of type NodePort.

Local preserves the client source IP and avoids a second hop for LoadBalancer and NodePort type Services, but risks potentially imbalanced traffic spreading.

Source

Thank you for raising it, much appreciated. I will update it.

@AhmedGrati AhmedGrati added do-not-merge DEPRECATED. Indicates that a PR should not merge. Label can only be manually applied/removed. and removed do-not-merge DEPRECATED. Indicates that a PR should not merge. Label can only be manually applied/removed. labels Dec 2, 2022
@AhmedGrati AhmedGrati changed the title Feat support external traffic policy Feat support external traffic policy [WIP] Dec 8, 2022
@AhmedGrati AhmedGrati added the do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. label Dec 8, 2022
@k8s-ci-robot k8s-ci-robot added needs-rebase Indicates a PR cannot be merged because it has merge conflicts with HEAD. size/XL Denotes a PR that changes 500-999 lines, ignoring generated files. and removed needs-rebase Indicates a PR cannot be merged because it has merge conflicts with HEAD. size/L Denotes a PR that changes 100-499 lines, ignoring generated files. labels Dec 9, 2022
@AhmedGrati AhmedGrati removed the do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. label Dec 9, 2022
@AhmedGrati AhmedGrati changed the title Feat support external traffic policy [WIP] Feat support external traffic policy Dec 9, 2022
@kubernetes kubernetes deleted a comment from mrsangjunboon2018 Jan 11, 2023
@k8s-ci-robot k8s-ci-robot added the needs-rebase Indicates a PR cannot be merged because it has merge conflicts with HEAD. label Jan 13, 2023
@k8s-ci-robot k8s-ci-robot added size/XXL Denotes a PR that changes 1000+ lines, ignoring generated files. and removed needs-rebase Indicates a PR cannot be merged because it has merge conflicts with HEAD. size/XL Denotes a PR that changes 500-999 lines, ignoring generated files. labels Jan 21, 2023
@cdrage
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cdrage commented Feb 8, 2023

This will need a huge rebase, sorry for the work @AhmedGrati !

@k8s-ci-robot k8s-ci-robot added the needs-rebase Indicates a PR cannot be merged because it has merge conflicts with HEAD. label Feb 8, 2023
@AhmedGrati AhmedGrati added the do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. label Feb 8, 2023
@AhmedGrati AhmedGrati force-pushed the feat-support-external-traffic-policy branch from 54098f1 to d7aadea Compare February 9, 2023 21:53
@k8s-ci-robot k8s-ci-robot removed the needs-rebase Indicates a PR cannot be merged because it has merge conflicts with HEAD. label Feb 9, 2023
@k8s-ci-robot k8s-ci-robot added size/XL Denotes a PR that changes 500-999 lines, ignoring generated files. and removed size/XXL Denotes a PR that changes 1000+ lines, ignoring generated files. labels Feb 9, 2023
@AhmedGrati AhmedGrati force-pushed the feat-support-external-traffic-policy branch 2 times, most recently from 15fadbf to 3229891 Compare February 9, 2023 22:24
@AhmedGrati AhmedGrati removed the do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. label Feb 9, 2023
@AhmedGrati
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@cdrage It's ready to be reviewed.

cdrage
cdrage reviewed Feb 10, 2023
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The code LGTM but can you add some documentation as well for the user guide / under labels as this is a new label?

cdrage
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Just sayin', these tests are GREAT and thank you so much for always covering it all 💯 💯 💯

@AhmedGrati AhmedGrati force-pushed the feat-support-external-traffic-policy branch from 3229891 to a10beaf Compare February 11, 2023 11:26
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The code LGTM but can you add some documentation as well for the user guide / under labels as this is a new label?

Yes makes sense 👌. Done!

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cdrage commented Feb 12, 2023

Thank you! Can you show all the options? I think it's cluster, local and blank right?

@AhmedGrati AhmedGrati force-pushed the feat-support-external-traffic-policy branch from a10beaf to 6366876 Compare February 13, 2023 10:44
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@cdrage Good point. Done 👍. Please lmk if there are other things that need to be changed.

cdrage
cdrage requested changes Feb 13, 2023
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docs/user-guide.md Outdated
@@ -200,6 +200,7 @@ The currently supported options are:
| kompose.service.healthcheck.liveness.http_get_path | kubernetes liveness httpGet path |
| kompose.service.healthcheck.liveness.http_get_port | kubernetes liveness httpGet port |
| kompose.service.healthcheck.liveness.tcp_port | kubernetes liveness tcpSocket port |
| kompose.service.external-traffic-policy: local | kubernetes service external traffic policy |
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Suggested change
| kompose.service.external-traffic-policy: local | kubernetes service external traffic policy |
| kompose.service.external-traffic-policy | 'cluster', 'local', '' |

Let's just do this for now until we update the documentation on user guide. It's a bit of a mess right now to understand / comprehend and I plan to work on this, this month.

@TessaIO
feat: support external traffic policy
6be6fdd 
Signed-off-by: AhmedGrati <ahmedgrati1999@gmail.com>
@AhmedGrati AhmedGrati force-pushed the feat-support-external-traffic-policy branch from 6366876 to 6be6fdd Compare February 13, 2023 13:59
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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: AhmedGrati, cdrage

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cdrage commented Feb 13, 2023

/lgtm

@k8s-ci-robot k8s-ci-robot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Feb 13, 2023
@k8s-ci-robot k8s-ci-robot merged commit 607196c into kubernetes:main Feb 13, 2023
@AhmedGrati AhmedGrati mentioned this pull request Feb 13, 2023
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@AhmedGrati @ZakariaNaaija @cdrage @k8s-ci-robot @TessaIO