CORS-4137: add CoreDNS upstream resolver config for dual-stack clusters#10362
CORS-4137: add CoreDNS upstream resolver config for dual-stack clusters#10362tthvo wants to merge 1 commit intoopenshift:mainfrom
Conversation
In AWS dual-stack subnets, the resolver config file on instances only defines the IPv4 DNS resolver by default. This adds CoreDNS configuration to include the IPv6 DNS resolver (fd00:ec2::253) as an upstream resolver for dual-stack AWS clusters. The CoreDNS operator config uses sequential forwarding policy to check the system resolver first, then the IPv6 AWS DNS resolver.
|
@tthvo: This pull request references CORS-4137 which is a valid jira issue. DetailsIn response to this:
Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository. |
openshift-ci-robot
added
the
jira/valid-reference
|
[APPROVALNOTIFIER] This PR is NOT APPROVED This pull-request has been approved by: The full list of commands accepted by this bot can be found here. DetailsNeeds approval from an approver in each of these files:Approvers can indicate their approval by writing |
|
/uncc @andfasano @rwsu |
openshift-ci
bot
requested review from
patrickdillon and
sadasu
and removed request for
andfasano and
rwsu
|
/jira cc-qa FYI 😁 |
|
@tthvo: This pull request references CORS-4137 which is a valid jira issue. Requesting review from QA contact: DetailsIn response to this:
Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository. |
|
/label platform/aws |
|
/test artifacts-images |
|
@tthvo: all tests passed! Full PR test history. Your PR dashboard. DetailsInstructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository. I understand the commands that are listed here. |
2 participants
In AWS dual-stack subnets, the resolver config file on instances only defines the IPv4 DNS resolver by default. This adds CoreDNS configuration to include the IPv6 DNS resolver (
fd00:ec2::253) as an upstream resolver for dual-stack AWS clusters.The CoreDNS operator config uses sequential forwarding policy to check the system resolver first, then the IPv6 AWS DNS resolver.