[Release 4.15] NO-JIRA: ITUP Cluster Migration - Use HTTPS where possible

[marmijo]

backport to release-4.15:

• COS-2758: ITUP Cluster Migration - Use HTTPS where possible
• Notes:
  • c9s-mirror.repo does not exist in release-4.15, so the commit to update that file (https://github.com/openshift/os/pull/1571/commits/761db82968b0caf82ce5cf7761c9bef970097237) was omitted from this backport
  • extensions/Dockerfile: use fedora.repo file from the rhcos-4.15 branch in fedora-coreos-config to set up the container

[openshift-ci-robot]

@marmijo: This pull request references COS-2758 which is a valid jira issue.

Warning: The referenced jira issue has an invalid target version for the target branch this PR targets: expected the epic to target either version "4.15." or "openshift-4.15.", but it targets "openshift-4.17" instead.

In response to [this](https://github.com/openshift/os/pull/1576): >backport to release-4.17: >- [COS-2758: ITUP Cluster Migration - Use HTTPS where possible](https://github.com/openshift/os/pull/1571) >- Note: c9s-mirror.repo does not exist in `release-4.15`, so the commit to update that file (https://github.com/openshift/os/pull/1571/commits/761db82968b0caf82ce5cf7761c9bef970097237) was omitted from this backport Instructions for interacting with me using PR comments are available [here](https://prow.ci.openshift.org/command-help?repo=openshift%2Fos). If you have questions or suggestions related to my behavior, please file an issue against the [openshift-eng/jira-lifecycle-plugin](https://github.com/openshift-eng/jira-lifecycle-plugin/issues/new) repository.

[openshift-ci-robot]

@marmijo: This pull request references COS-2758 which is a valid jira issue.

Warning: The referenced jira issue has an invalid target version for the target branch this PR targets: expected the epic to target either version "4.15." or "openshift-4.15.", but it targets "openshift-4.17" instead.

In response to [this](https://github.com/openshift/os/pull/1576): >backport to release-4.15: >- [COS-2758: ITUP Cluster Migration - Use HTTPS where possible](https://github.com/openshift/os/pull/1571) >- Note: c9s-mirror.repo does not exist in `release-4.15`, so the commit to update that file (https://github.com/openshift/os/pull/1571/commits/761db82968b0caf82ce5cf7761c9bef970097237) was omitted from this backport Instructions for interacting with me using PR comments are available [here](https://prow.ci.openshift.org/command-help?repo=openshift%2Fos). If you have questions or suggestions related to my behavior, please file an issue against the [openshift-eng/jira-lifecycle-plugin](https://github.com/openshift-eng/jira-lifecycle-plugin/issues/new) repository.

[openshift-ci-robot]

@marmijo: This pull request references COS-2758 which is a valid jira issue.

Warning: The referenced jira issue has an invalid target version for the target branch this PR targets: expected the epic to target either version "4.15." or "openshift-4.15.", but it targets "openshift-4.17" instead.

In response to [this](https://github.com/openshift/os/pull/1576): >backport to release-4.15: >- [COS-2758: ITUP Cluster Migration - Use HTTPS where possible](https://github.com/openshift/os/pull/1571) >- Notes: > - c9s-mirror.repo does not exist in `release-4.15`, so the commit to update that file (https://github.com/openshift/os/pull/1571/commits/761db82968b0caf82ce5cf7761c9bef970097237) was omitted from this backport > - extensions/Dockerfile: use fedora.repo file from the `rhcos-4.15` branch in fedora-coreos-config to set up the container Instructions for interacting with me using PR comments are available [here](https://prow.ci.openshift.org/command-help?repo=openshift%2Fos). If you have questions or suggestions related to my behavior, please file an issue against the [openshift-eng/jira-lifecycle-plugin](https://github.com/openshift-eng/jira-lifecycle-plugin/issues/new) repository.

[openshift-ci[bot]]

@marmijo: all tests passed!

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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-sigs/prow](https://github.com/kubernetes-sigs/prow/issues/new?title=Prow%20issue:) repository. I understand the commands that are listed [here](https://go.k8s.io/bot-commands).

[aaradhak]

/lgtm

[jlebon]

/lgtm /approve /label backport-risk-assessed /label cherry-pick-approved

[openshift-ci-robot]

@marmijo: This pull request explicitly references no jira issue.

In response to [this](https://github.com/openshift/os/pull/1576): >backport to release-4.15: >- [COS-2758: ITUP Cluster Migration - Use HTTPS where possible](https://github.com/openshift/os/pull/1571) >- Notes: > - c9s-mirror.repo does not exist in `release-4.15`, so the commit to update that file (https://github.com/openshift/os/pull/1571/commits/761db82968b0caf82ce5cf7761c9bef970097237) was omitted from this backport > - extensions/Dockerfile: use fedora.repo file from the `rhcos-4.15` branch in fedora-coreos-config to set up the container Instructions for interacting with me using PR comments are available [here](https://prow.ci.openshift.org/command-help?repo=openshift%2Fos). If you have questions or suggestions related to my behavior, please file an issue against the [openshift-eng/jira-lifecycle-plugin](https://github.com/openshift-eng/jira-lifecycle-plugin/issues/new) repository.

[openshift-ci[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: aaradhak, jlebon, marmijo, travier

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Needs approval from an approver in each of these files: - ~~[OWNERS](https://github.com/openshift/os/blob/release-4.15/OWNERS)~~ [aaradhak,jlebon,marmijo,travier] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment