OCPBUGS-91: document the domain name limitation

[alebedev87]

This PR adds a README chapter to document the limitation on the length of the domain names managed by ExternalDNS instances.

[openshift-ci-robot]

@alebedev87: This pull request references Jira Issue OCPBUGS-91, which is invalid:

• expected the bug to target the "4.12.0" version, but no target version was set

Comment /jira refresh to re-evaluate validity if changes to the Jira bug are made, or edit the title of this pull request to link to a different bug.

In response to [this](https://github.com/openshift/external-dns-operator/pull/173): >This PR adds a README chapter to document the limitation on the length of the domain names managed by `ExternalDNS` instances. Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes/test-infra](https://github.com/kubernetes/test-infra/issues/new?title=Prow%20issue:) repository.

[alebedev87]

/jira refresh

[openshift-ci-robot]

@alebedev87: This pull request references Jira Issue OCPBUGS-91, which is valid. The bug has been moved to the POST state. The bug has been updated to refer to the pull request using the external bug tracker.

3 validation(s) were run on this bug

* bug is open, matching expected state (open) * bug target version (4.12.0) matches configured target version for branch (4.12.0) * bug is in the state New, which is one of the valid states (NEW, ASSIGNED, POST)

Requesting review from QA contact: /cc @quarterpin

In response to [this](https://github.com/openshift/external-dns-operator/pull/173#issuecomment-1235629710): >/jira refresh Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes/test-infra](https://github.com/kubernetes/test-infra/issues/new?title=Prow%20issue:) repository.

[alebedev87]

/assign @xenolinux

[brandisher]

I'm going to do the first pass review but will put a hold until someone from NetEdge can do the final review. /hold

[brandisher]

/assign

[candita]

/assign /assign @brandisher

[brandisher]

I like the changes to the format; that does make it a little clearer on where the limits apply. Readding lgtm.

/lgtm

[alebedev87]

@brandisher : thanks a lot for coming back to the PR and tagging it. I had to change the diff again after the discussion we had with @candita yesterday.

Can you, folks, have another look, please?

[candita]

/check-required-labels

[candita]

Looks good! /approve

[candita]

/hold cancel

[candita]

/refresh

[brandisher]

Latest changes look good to me as well!

/lgtm

[brandisher]

/retest

[alebedev87]

/assign @xenolinux

[alebedev87]

/assign @lihongan

[candita]

/check-required-labels

[openshift-ci[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: alebedev87, candita

The full list of commands accepted by this bot can be found here.

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Needs approval from an approver in each of these files: - ~~[OWNERS](https://github.com/openshift/external-dns-operator/blob/main/OWNERS)~~ [alebedev87,candita] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment

[CFields651]

/label px-approved

[lihongan]

/label qe-approved

[openshift-bot]

/bugzilla refresh

The requirements for Bugzilla bugs have changed (BZs linked to PRs on main branch need to target OCP 4.12), recalculating validity.

[openshift-ci[bot]]

@openshift-bot: No Bugzilla bug is referenced in the title of this pull request. To reference a bug, add 'Bug XXX:' to the title of this pull request and request another bug refresh with /bugzilla refresh.

Retaining the bugzilla/valid-bug label as it was manually added.

In response to [this](https://github.com/openshift/external-dns-operator/pull/173#issuecomment-1295182839): >/bugzilla refresh > >The requirements for Bugzilla bugs have changed (BZs linked to PRs on main branch need to target OCP 4.12), recalculating validity. Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes/test-infra](https://github.com/kubernetes/test-infra/issues/new?title=Prow%20issue:) repository.

[openshift-bot]

/jira refresh

The requirements for Jira bugs have changed (Jira issues linked to PRs on main branch need to target OCP 4.12), recalculating validity.

[openshift-ci-robot]

@openshift-bot: This pull request references Jira Issue OCPBUGS-91, which is invalid:

• expected the bug to target the "4.13.0" version, but it targets "4.12.0" instead

Comment /jira refresh to re-evaluate validity if changes to the Jira bug are made, or edit the title of this pull request to link to a different bug.

In response to [this](https://github.com/openshift/external-dns-operator/pull/173#issuecomment-1295190570): >/jira refresh > >The requirements for Jira bugs have changed (Jira issues linked to PRs on main branch need to target OCP 4.12), recalculating validity. Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes/test-infra](https://github.com/kubernetes/test-infra/issues/new?title=Prow%20issue:) repository.

[alebedev87]

/jira refresh

[openshift-ci-robot]

@alebedev87: This pull request references Jira Issue OCPBUGS-91, which is valid.

3 validation(s) were run on this bug

* bug is open, matching expected state (open) * bug target version (4.13.0) matches configured target version for branch (4.13.0) * bug is in the state POST, which is one of the valid states (NEW, ASSIGNED, POST)

Requesting review from QA contact: /cc @lihongan

In response to [this](https://github.com/openshift/external-dns-operator/pull/173#issuecomment-1308432322): >/jira refresh Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes/test-infra](https://github.com/kubernetes/test-infra/issues/new?title=Prow%20issue:) repository.

[xenolinux]

/label docs-approved

[openshift-ci[bot]]

@alebedev87: all tests passed!

Full PR test history. Your PR dashboard.

Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes/test-infra](https://github.com/kubernetes/test-infra/issues/new?title=Prow%20issue:) repository. I understand the commands that are listed [here](https://go.k8s.io/bot-commands).

[openshift-ci-robot]

@alebedev87: All pull requests linked via external trackers have merged:

• openshift/external-dns-operator#173

Jira Issue OCPBUGS-91 has been moved to the MODIFIED state.

In response to [this](https://github.com/openshift/external-dns-operator/pull/173): >This PR adds a README chapter to document the limitation on the length of the domain names managed by `ExternalDNS` instances. Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes/test-infra](https://github.com/kubernetes/test-infra/issues/new?title=Prow%20issue:) repository.